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1. Activation of sulfite by metal-organic framework-derived cobalt nanoparticles for organic pollutants removal

Author:
Xianjie Feng; Deming Wu; Xueyi Shen; Yu Guo; Yangyang Lv; Aihua Xu; Xiaoxia Li
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 350-359
ISSN:
1001-0742
Subject:
aqueous solutions; catalysts; cobalt; coordination polymers; dissolved oxygen; graphene; methyl orange; oxidation; pyrolysis; sulfites; synergism; China
Abstract:
... Sulfite (SO₃²⁻) activation is one of the most potential sulfate-radical-based advanced oxidation processes, and the catalysts with high efficiency and low-cost are greatly desired. In this study, the cobalt nanoparticles embedded in nitrogen-doped graphite layers (Co@NC), were used to activate SO₃²⁻ for removal of Methyl Orange in aqueous solution. The Co@NC catalysts were synthesized via pyrolysi ...
DOI:
10.1016/j.jes.2021.09.035

2. Sex‐specific and dose‐response relationships of urinary cobalt and molybdenum levels with glucose levels and insulin resistance in U.S. adults

Author:
Jingli Yang; Yongbin Lu; Yana Bai; Zhiyuan Cheng
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 42-49
ISSN:
1001-0742
Subject:
National Health and Nutrition Examination Survey; blood glucose; cobalt; cross-sectional studies; diabetes; dose response; glucose; glycohemoglobin; homeostasis; insulin; insulin resistance; molybdenum; regression analysis; risk; China
Abstract:
... Growing studies have linked metal exposure to diabetes risk. However, these studies had inconsistent results. We used a multiple linear regression model to investigate the sex-specific and dose-response associations between urinary metals (cobalt (Co) and molybdenum (Mo)) and diabetes-related indicators (fasting plasma glucose (FPG), hemoglobin A1c (HbA1c), homeostasis model assessment for insulin ...
DOI:
10.1016/j.jes.2021.10.023

3. 1D-on-1D core–shell cobalt iron selenide @ cobalt nickel carbonate hydroxide hybrid nanowire arrays as advanced battery-type supercapacitor electrode

Author:
Liu Wan; Tao Jiang; Yan Zhang; Jian Chen; Mingjiang Xie; Cheng Du
Source:
Journal of colloid and interface science 2022 v.621 pp. 149-159
ISSN:
0021-9797
Subject:
anodes; carbon; cathodes; cobalt; durability; electrochemical capacitors; electron transfer; electroplating; energy density; nanowires; nickel carbonate; selenides; surface area; synergism
Abstract:
... Sluggish kinetics and poor structural stability are two main obstacles hampering the exploration of transition metal selenides (TMSs) for supercapacitor. Developing a reasonable core–shell heterostructure with unique morphology is an effective approach to resolve these issues. Herein, a core–shell cobalt iron selenide (CoFe₂Se₄) @ cobalt nickel carbonate hydroxide (CoNi-CH) heterostructure is dire ...
DOI:
10.1016/j.jcis.2022.04.072

4. 3D holey hierarchical nanoflowers assembled by cobalt phosphide embedded N-doped carbon nanosheets as bifunctional electrocatalyst for highly efficient overall water splitting

Author:
Lihua Zhi; Jibing Tu; Jiaxuan Li; Min Li; Jiacheng Liu
Source:
Journal of colloid and interface science 2022 v.616 pp. 379-388
ISSN:
0021-9797
Subject:
anodes; carbon; catalysts; cathodes; cobalt; coordination polymers; cost effectiveness; durability; electric potential difference; electrolytes; nanoflowers; nanosheets; phosphides; porous media; synergism
Abstract:
... With the increasing energy and environmental crisis, exploring convenient and general strategies for constructing of highly active, stable, and cost-effective bifunctional electrocatalysts for overall water splitting are exceedingly desirable yet still challenging. Herein, 3D hierarchical mesoporous cobalt phosphide embedded N-doped carbon nanoflowers (CoP@NCNFs) are successfully constructed with ...
DOI:
10.1016/j.jcis.2022.02.066

5. 3D-printed PLA/PEO blend as biodegradable substrate coating with CoCl2 for colorimetric humidity detection

Author:
Nattanicha Chaiya; Donraporn Daranarong; Patnarin Worajittiphon; Runglawan Somsunan; Puttinan Meepowpan; Adisorn Tuantranont; Nawasit Rakbamrung; Paul D. Topham; Brian J. Tighe; Anisa Mahomed; Winita Punyodom
Source:
Food packaging and shelf life 2022 v.32 pp. 100829
ISSN:
2214-2894
Subject:
biodegradability; chlorides; cobalt; color; colorimetry; frozen foods; humidity; hydrophilicity; image analysis; printers; shelf life; thermal stability
Abstract:
... This study aimed to fabricate biodegradable substrate with colorimetric humidity indicator for detective moisture in food packaging. The poor properties of poly(lactic acid) (PLA) were enhanced by melt blending PLA with non-toxic poly(ethylene oxide) PEO at 180 °C. Specifically, three-dimensional (3D) substrates of PLA/PEO blends were fabricated by solvent-cast 3D printing. Furthermore, cobalt chl ...
DOI:
10.1016/j.fpsl.2022.100829

6. A Triple Photoredox/Cobalt/Brønsted Acid Catalysis Enabling Markovnikov Hydroalkoxylation of Unactivated Alkenes

Author:
Masanari Nakagawa; Yuki Matsuki; Kazunori Nagao; Hirohisa Ohmiya
Source:
Journal of the American Chemical Society 2022 v.144 no.18 pp. 7953-7959
ISSN:
1520-5126
Subject:
alkenes; catalytic activity; cobalt; hydrides; hydrogen; irradiation; light; oxidation; photochemistry; protonation; reducing agents
Abstract:
... We demonstrate Markovnikov hydroalkoxylation of unactivated alkenes using alcohols through a triple catalysis consisting of photoredox, cobalt, and Brønsted acid catalysts under visible light irradiation. The triple catalysis realizes three key elementary steps in a single catalytic cycle: (1) Co(III) hydride generation by photochemical reduction of Co(II) followed by protonation, (2) metal hydrid ...
DOI:
10.1021/jacs.2c00527

7. A comparative life cycle assessment of lithium-ion and lead-acid batteries for grid energy storage

Author:
Ryutaka Yudhistira; Dilip Khatiwada; Fernando Sanchez
Source:
Journal of cleaner production 2022 v.358 pp. 131999
ISSN:
0959-6526
Subject:
acidification; aluminum; climate change; cobalt; cradle-to-grave; disease incidence; electricity; energy; environmental impact; environmental performance; fossil fuels; iron phosphates; lithium; lithium batteries; manganese; nickel; particulates; renewable energy sources
Abstract:
... Lithium-ion battery technology is one of the innovations gaining interest in utility-scale energy storage. However, there is a lack of scientific studies about its environmental performance. This study aims to evaluate the environmental impacts of lithium-ion batteries and conventional lead-acid batteries for stationary grid storage applications using life cycle assessment. The cradle-to-grave lif ...
DOI:
10.1016/j.jclepro.2022.131999

8. A comprehensive study on the heterogeneous electro-Fenton degradation of tartrazine in water using CoFe2O4/carbon felt cathode

Author:
Nguyen Trung Dung; Le Thuy Duong; Nguyen Thi Hoa; Vu Dinh Thao; Le Viet Ngan; Nguyen Nhat Huy
Source:
Chemosphere 2022 v.287 pp. 132141
ISSN:
0045-6535
Subject:
biodegradability; carbon; cathodes; cobalt; decolorization; ferrimagnetic materials; pH; reaction mechanisms; tartrazine; temperature; wastewater treatment
Abstract:
... In this study, cobalt ferrite coated carbon felt (CoFe₂O₄/CF) was synthesized by solvothermal method and applied as cathode for electro-Fenton (EF) treatment of tartrazine (TTZ) in water. The materials were characterized by SEM, XRD, FTIR, CV, and EIS to explore their physical, chemical, and electrical properties. The effects of solvothermal temperature and metal content on the TTZ removal were ex ...
DOI:
10.1016/j.chemosphere.2021.132141

9. A facial strategy to efficiently improve catalytic performance of CoFe2O4 to peroxymonosulfate

Author:
Lili Gao; Jieqiong Deng; Tong Li; Kai Qi; Jiandong Zhang; Qun Yi
Source:
Journal of environmental sciences (China) 2022 v.116 pp. 1-13
ISSN:
1001-0742
Subject:
activation energy; catalytic activity; cobalt; iron; mineralization; pH; paramagnetism; particle size; phenol; surface area; China
Abstract:
... Cobalt iron spinel (CoFe₂O₄) has been considered as a good heterogeneous catalysis to peroxymonosulfate (PMS) in the degradation of persistent organic pollutants due to its magnetic properties and good chemical stability. However, its catalytic activity needs to be further improved. Here, a facial strategy, “in-situ substitution”, was adopted to modify CoFe₂O₄ to improve its catalytic performance ...
DOI:
10.1016/j.jes.2021.06.030

10. A new approach to regenerate high-performance graphite from spent lithium-ion batteries

Author:
Qinghao Chen; Liwu Huang; Jianbo Liu; Yiteng Luo; Yungui Chen
Source:
Carbon 2022 v.189 pp. 293-304
ISSN:
0008-6223
Subject:
cobalt; graphene; pollution; sulfuric acid
Abstract:
... With the increasing use of lithium-ion batteries in our life and industrial production, more attention has been focused on the recycling of waste lithium-ion batteries. The recovery of transition metal elements from the cathodes has attracted widespread attention, but the recovery of graphite anodes has not been emphasized. In fact, to regenerate graphite with low cost technology is of great signi ...
DOI:
10.1016/j.carbon.2021.12.072

11. A new dispersive micro-solid phase extraction based on rejection property method combined with FAAS for the simultaneous determination of cobalt and copper after optimisation by Box-Behnken design

Author:
Fatemeh Salimi; Mojtaba Shamsipur; Elnaz Koosha; Majid Ramezani
Source:
International journal of environmental analytical chemistry 2022 v.102 no.4 pp. 872-884
ISSN:
1029-0397
Subject:
adsorbents; analytical chemistry; atomic absorption spectrometry; cobalt; copper; experimental design; pH
Abstract:
... A new, fast and simple technique of dispersive micro-solid phase extraction based on rejection property (DMSPE-RP) combined with flame atomic absorption spectrometry (FAAS) for the simultaneous preconcentration and determination of trace amounts of cobalt and copper ions has been introduced. In this technique, 1-(2-pyridylazo)-2-naphthol (PAN) was used as a chelating agent and adsorbent. The exper ...
DOI:
10.1080/03067319.2020.1727459

12. A review on plant extract-based route for synthesis of cobalt nanoparticles: Photocatalytic, electrochemical sensing and antibacterial applications

Author:
Arun K. Singh
Source:
Current research in green and sustainable chemistry 2022 v.5 pp. 100270
ISSN:
2666-0865
Subject:
antimicrobial properties; bark; cobalt; electrochemistry; green chemistry; leaves; photocatalysis; phytochemicals; plant extracts; remediation; research; terpenoids; water pollution
Abstract:
... Cobalt nanoparticles have received great attentions from the researchers because of its unqiue applications in various sectors such as photocatalytic, antimrobial activity and electrochemical sensing. Consequently, in the recent past, a number of research studies published by the use of physical, chemical and plant extract based green synthesis approaches. Among these methods, plant extract based ...
DOI:
10.1016/j.crgsc.2022.100270

13. A risk assessment by metal contamination in a river used for public water supply

Author:
Jucelino B. da Silva Junior; Vanessa S. de Carvalho; Daniele S. Sousa; Ivanice F. dos Santos; Geysa B. Brito; Antônio F.S. Queiroz; Sérgio L.C. Ferreira
Source:
Marine pollution bulletin 2022 v.179 pp. 113730
ISSN:
0025-326X
Subject:
chromium; cobalt; manganese; marine pollution; nickel; public water supply; risk; risk assessment; rivers; spectroscopy; toxicity; vanadium; zinc; Brazil
Abstract:
... Aquatic ecosystems provide habitats for many organisms. Historically, riverbanks have always been inhabited and exploited for subsistence and navigation. The present study evaluates the contamination and ecological risks caused by potentially toxic elements in surface sediments of the Paraguaçu River, Bahia, Brazil. Seven sediments samples were collected, and eight heavy metals were determined emp ...
DOI:
10.1016/j.marpolbul.2022.113730

14. A suitable modified high-rate cobalt immobilized on acid supported ionic liquid catalysed transfer hydrogenation of nitroarenes

Author:
Ganesh Gopalsamy Selvaraj; Uthayanila Selvarasu; Venkatesan Kasi; Sivasankar Koppala; Parasuraman Karthikeyan
Source:
Sustainable chemistry and pharmacy 2022 v.27 no. pp. 100668
ISSN:
2352-5541
Subject:
aniline; catalysts; catalytic activity; cobalt; formic acid; green chemistry; hydrogen; hydrogenation; ionic liquids; nitroaromatic compounds; nitrobenzenes
Abstract:
... The present study focuses on the selective reduction of various nitrobenzene to aniline using non-noble metals such as CoCl₂ supported [Cemim]Br and formic acid as a hydrogen donor. Under ionic liquid medium, the CoCl₂ is found to be very efficient in the selective reduction of nitroaromatics to aniline. The catalyst is reusable, and it can be used for six cycles without affecting the efficiency o ...
DOI:
10.1016/j.scp.2022.100668

15. A “Trojan horse” strategy towards robust Co–N₄ active sites accommodated in micropore defect-rich carbon nanosheets for boosting selective hydrogenation of nitroarenes

Author:
Qingshan Zhao; Wanxin Ni; Xiaojie Tan; Fengliang Cao; Tengfei Liu; Hao Huang; Zhinian Cheng; Yiwen Li; Shuwei He; Hui Ning; Mingbo Wu
Source:
Journal of materials chemistry A 2022 v.10 no.17 pp. 9435-9444
ISSN:
2050-7496
Subject:
adsorption; carbon; catalysts; catalytic activity; chemical industry; cobalt; crystallization; hydrogen; hydrogenation; nanosheets; nitroaromatic compounds
Abstract:
... Selective hydrogenation of nitroarenes to corresponding anilines is one of the most important processes in the chemical industry, which still suffers from lack of efficient catalysts with both high activity and selectivity. Herein, a reinforced single-atom Co catalyst (Co–N–CNS–Th) was rationally fabricated through a novel “Trojan horse” strategy for boosting selective hydrogenation of nitroarenes ...
DOI:
10.1039/d2ta00862a

16. Accumulation and Speciation of Cobalt in Paracentrotus lividus

Author:
Benjamin Reeves; Maria Rosa Beccia; Aurélie Jeanson; Pier Lorenzo Solari; Bruno Siberchicot; Catherine Berthomieu; Didier Marcellin; Nicolas Bremond; Tamar Kerdikoshvili; Hervé Michel; Luisa Passeron Mangialajo; Marguerite Monfort; Christophe Moulin; Christophe Den Auwer
Source:
Environmental science & technology 2022 v.56 no.6 pp. 3462-3470
ISSN:
1520-5851
Subject:
Paracentrotus lividus; X-ray absorption spectroscopy; cobalt; humans; industry; intestines; molecular dynamics; pollution; probability; seawater; technology
Abstract:
... Since the first human release of radionuclides on Earth at the end of the Second World War, impact assessments have been implemented. Radionuclides are now ubiquitous, and the impact of local accidental release on human activities, although of low probability, is of tremendous social and economic consequences. Although radionuclide inventories (at various scales) are essential as input data for im ...
DOI:
10.1021/acs.est.1c06702

17. Adsorption behavior of silver quantum dots by a novel super magnetic CoFe2O4-biochar-polymeric nanocomposite

Author:
Mohamed E. Mahmoud; Magda E. Abouelanwar; Safe ELdeen M.E. Mahmoud; Mohamed Abdel Salam
Source:
Journal of colloid and interface science 2022 v.606 pp. 1597-1608
ISSN:
0021-9797
Subject:
Citrus reticulata; Citrus sinensis; adsorption; biochar; cobalt; crosslinking; ferrimagnetic materials; industrialization; magnetism; microwave radiation; nanocomposites; pH; pollutants; pollution; polymers; silver; sorption isotherms; wastewater
Abstract:
... Recent industrial development and research progress in nanotechnology have led to the release of a number of nanomaterials with particle sizes (1–10 nm) which are categorized as quantum dots (QDs) in aquatic system. Disposal away of such QDs will cause potential pollution to the environment. Therefore, removal of disposed QDs from wastewater represents a challenging research subject for scientists ...
DOI:
10.1016/j.jcis.2021.08.102

18. Agaric-like cobalt diselenide supported by carbon nanofiber as an efficient catalyst for hydrogen evolution reaction

Author:
Chuanqi Feng; Bingwei Xin; Hongliang Li; Zhen Jia; Xiuling Zhang; Bijiang Geng
Source:
Journal of colloid and interface science 2022 v.610 pp. 854-862
ISSN:
0021-9797
Subject:
carbon nanofibers; catalysts; catalytic activity; cathodes; cobalt; electrolytes; electron transfer; hydrogen production; surface area; temperature
Abstract:
... We synthesized herein a novel 3D cathode constructed by growing cobalt diselenide in situ on the surface of carbon nanofiber for hydrogen evolution reaction. The cobalt diselenides with two typical morphologies (agaric-like and nanorod-like) were synthesized by precisely controlling reaction time and temperature in the same system. They show excellent electrocatalytic performance for hydrogen evol ...
DOI:
10.1016/j.jcis.2021.11.130

19. All-Solid-State Polymeric Membrane Ion-Selective Electrodes Based on NiCo₂S₄ as a Solid Contact

Author:
Yanhong Li; Jinghui Li; Wei Qin
Source:
Analytical chemistry 2022 v.94 no.8 pp. 3574-3580
ISSN:
1520-6882
Subject:
analytical chemistry; capacitance; carbon dioxide; cobalt; cobalt sulfide; detection limit; nickel; polymers; synergism
Abstract:
... The performance criteria for the design of all-solid-state ion-selective electrodes mainly include high electrode-to-electrode reproducibility and a low potential drift. Here, we introduce nickel cobalt sulfide (NiCo₂S₄) as a solid contact for ion-to-electron transduction based on multiple redox couples. NiCo₂S₄ materials with different morphologies can be prepared through a facile hydrothermal/so ...
DOI:
10.1021/acs.analchem.1c04748

20. Amorphous cobalt oxide decorated halloysite nanotubes for efficient sulfamethoxazole degradation activated by peroxymonosulfate

Author:
Zhuang He; Huaisheng Wang; Meng Li; Ligang Feng; Jianrui Niu; Zaixing Li; Xiuxiu Jia; Guangzhi Hu
Source:
Journal of colloid and interface science 2022 v.607 pp. 857-868
ISSN:
0021-9797
Subject:
X-ray photoelectron spectroscopy; antibiotics; atomic absorption spectrometry; catalysts; cobalt; cobalt oxide; electron paramagnetic resonance spectroscopy; halloysite; liquid chromatography; mass spectrometry; nanotubes; organic matter; pH; sulfamethoxazole; wastewater treatment
Abstract:
... In this study, a new hollow nanotube material, 30% Co–CHNTs was prepared by the impregnation–chemical reduction–calcination method. This material can be used as a peroxymonosulfate (PMS) activator to catalyse the degradation of sulfamethoxazole (SMX). The best reaction conditions that correspond to the degradation rate of SMX, up to 97.5%, are as follows: the concentration of SMX is 10 mg L⁻¹, the ...
DOI:
10.1016/j.jcis.2021.08.168

21. Amorphous-crystalline cobalt phosphide hollow nanocubes induced by dual ligand environment for highly efficient hydrogen evolution

Author:
Jing-Yi Xie; Hai-Jun Liu; Yi-Nuo Zhen; Yi-Wen Dong; Ren-Ni Luan; Ning Yu; Da-Peng Liu; Yong-Ming Chai; Bin Dong
Source:
Journal of colloid and interface science 2022 v.614 pp. 84-91
ISSN:
0021-9797
Subject:
Gibbs free energy; catalytic activity; cobalt; crystal structure; hydrogen; hydrogen production; ligands; microwave treatment; phosphides
Abstract:
... CoP is one of the most promising catalysts for catalyzing hydrogen evolution reaction. The foremost issue is how to improve intrinsic activity by regulating electronic structure at the molecular level. Herein, utilizing selective combination of EDTA and Co²⁺, an amorphous-crystalline CoP with lower valence cobalt and hollow porous structure which induced by dual ligand environment is successfully ...
DOI:
10.1016/j.jcis.2022.01.109

22. An assessment of toxic heavy metals in soil and plants (Allium cepa and Daucus carota) by GFAAS

Author:
Imtiaz Ahmad; Tariq Mahmood Ansari
Source:
International journal of environmental analytical chemistry 2022 v.102 no.5 pp. 1029-1048
ISSN:
1029-0397
Subject:
Allium cepa; Daucus carota; analytical chemistry; antimony; arsenic; atomic absorption spectrometry; cadmium; chromium; cobalt; human health; lead; manganese; nickel; soil; sorption; toxicity; toxicology; vegetation; zinc
Abstract:
... Toxic metals were identified from soil and different edible and non edible parts of Allium cepa and Daucus Carota. Results showed that there is significant metal movement from soil to vegetables. Different vegetables have different mechanism of metal sorption and uptake. Levels of heavy metals in soil were in the order of Zn>Cu>Ni>Sb>Co>Mn>As>Cd>Pb>Cr before the cultivation of vegetables i.e. Alli ...
DOI:
10.1080/03067319.2020.1730341

23. An improved resource midpoint characterization method for supply risk of resources: integrated assessment of Li-ion batteries

Author:
Jair Santillán-Saldivar; Eskinder Gemechu; Stéphanie Muller; Jacques Villeneuve; Steven B. Young; Guido Sonnemann
Source:
international journal of life cycle assessment 2022 v.27 no.3 pp. 457-468
ISSN:
0948-3349
Subject:
attributional life cycle assessment; case studies; cobalt; copper; ecological footprint; inventories; mass flow; models; nickel; politics; product development; raw materials; risk
Abstract:
... PURPOSE: We observe a methodological gap for assessing impacts within the Area of Protection (AoP) Natural Resources in LCA with regard to concerns about the accessibility to raw materials. Adding criticality considerations as a complement to environmental LCA addresses abiotic resources accessibility. We present a study that integrates and applies an improved GeoPolRisk midpoint and the published ...
DOI:
10.1007/s11367-022-02027-y

24. An individual sandwich hybrid nanostructure of cobalt disulfide in-situ grown on N doped carbon layer wrapped on multi-walled carbon nanotubes for high-efficiency lithium sulfur batteries

Author:
Yang Lin; Zhiyong Ouyang; Song He; Xueyou Song; Yahui Luo; Jie Zhao; Yanhe Xiao; Shuijin Lei; Cailei Yuan; Baochang Cheng
Source:
Journal of colloid and interface science 2022 v.610 pp. 560-572
ISSN:
0021-9797
Subject:
absorption; active ingredients; adhesion; carbon; carbon nanotubes; carbonization; cobalt; cost effectiveness; disulfides; hot water treatment; lithium; lithium batteries; sulfur; synergism
Abstract:
... Binding and trapping of lithium polysulfide (LPS) are being conceived as the most effective strategies to improve lithium-sulfur (Li-S) battery performance. Therefore, exploiting a simple but cost-effective approach for the absorption and conversion of LPS and the transfer of electrons and Li⁺ ions is of paramount importance. Herein, sandwich structure MWCNTs@N-doped-C@CoS₂ integrated with multipl ...
DOI:
10.1016/j.jcis.2021.11.102

25. Antimony, beryllium, cobalt, and vanadium in urban park soils in Beijing: Machine learning-based source identification and health risk-based soil environmental criteria

Author:
Yihang Wu; Qiyuan Liu; Jin Ma; Wenhao Zhao; Haiyan Chen; Yajing Qu
Source:
Environmental pollution 2022 v.293 pp. 118554
ISSN:
0269-7491
Subject:
antimony; beryllium; carcinogenicity; cobalt; environmental quality; fuel combustion; geophagia; models; multivariate analysis; risk; risk assessment; soil; soil quality; urban areas; urban parks; vanadium; China
Abstract:
... The pollution situation of antimony (Sb), beryllium (Be), cobalt (Co), and vanadium (V) is poorly understood, although they are widely used in daily life and production processes. Moreover, threshold levels (“soil environmental criteria”, SEC) for these pollutants are lacking in China, which impedes effective soil quality management. This study explored pollution characteristics for park soils in ...
DOI:
10.1016/j.envpol.2021.118554

26. Are energy metals hedges or safe havens for clean energy stock returns?

Author:
Robert Gustafsson; Anupam Dutta; Elie Bouri
Source:
Energy 2022 v.244 pp. 122708
ISSN:
0360-5442
Subject:
capital; clean energy; cobalt; energy; energy industry; gold; silver; uncertainty
Abstract:
... This paper examines the relationship between clean energy stock indices and energy metals that are sensitive to the growth in demand for clean energy solutions, and makes inferences about whether energy metals can act as hedges or safe havens for clean energy stock indices. The sample period is April 2011 to April 2021, a period which saw substantial investments into the clean energy industry as t ...
DOI:
10.1016/j.energy.2021.122708

27. Arsenic and cation metal removal from copper slag using a bipolar membrane electrodialysis system

Author:
Yaoxing Liu; Liping Dai; Xiong Ke; Jianguo Ding; Xiaoyun Wu; Riyao Chen; Rui Ding; Bart Van der Bruggen
Source:
Journal of cleaner production 2022 v.338 pp. 130662
ISSN:
0959-6526
Subject:
arsenic; cadmium; calcium; cations; chromium; cobalt; copper; desorption; electrodialysis; iron; magnesium; models; nickel; pH; slags; solid wastes; specific energy; wastewater; zinc
Abstract:
... A three-step bipolar membrane electrodialysis (BMED) system was used to remove arsenic and cation metals from copper slag (CS) generated during the copper ore hydrometallurgical process. The desorption kinetics results show that pH significantly influences metal desorption from CS. The Elovich model can be used to describe metal desorption. A high current density increased the metal desorption fro ...
DOI:
10.1016/j.jclepro.2022.130662

28. Assessing the importance of cobalt as a micronutrient for freshwater cyanobacteria

Author:
Jordan A. Facey; Josh J King; Simon C Apte; Simon M. Mitrovic
Source:
Journal of phycology 2022 v.58 no.1 pp. 71-79
ISSN:
0022-3646
Subject:
Microcystis aeruginosa; algae; algology; cobalt; freshwater; phosphorus; surveys; vitamin B12; Australia
Abstract:
... Micronutrients play key roles in numerous metabolic processes in cyanobacteria. However, our understanding of whether the micronutrient cobalt influences the productivity of freshwater systems or the occurrence of cyanobacterial blooms is limited. This study aimed to quantify the concentration of Co necessary for optimal cyanobacterial growth by exposing Microcystis aeruginosa to a range of Co con ...
DOI:
10.1111/jpy.13216

29. Assessment of cobalt in wheat grains as affected by diverse fertilizers: implications for public health

Author:
Abid Ejaz; Kafeel Ahmad; Zafar Iqbal Khan; Shahzad Akhtar; Razia Sultana; Muhammad Nadeem; Muhammad Iftikhar Hussain; Mohamed S. Elshikh
Source:
Environmental science and pollution research 2022 v.29 no.23 pp. 34558-34574
ISSN:
0944-1344
Subject:
Japan; atomic absorption spectrometry; cobalt; fertilizers; field experimentation; heavy metals; kidneys; liver; municipal solid waste; pollution; public health; research; wheat
Abstract:
... Present study was conducted to check the heavy metal content in wheat treated with municipal solid waste, Although municipal solid waste was enriched with organic nutrient, micronutrients, and macro-nutrients, considerable amount of cobalt was also witnessed in municipal solid waste that s why pot experiment was executed. The concentration of cobalt in different parts of wheat (root, shoot, and gr ...
DOI:
10.1007/s11356-022-18528-0

30. Assessment of phase distribution and removal of metals in anaerobic digesters

Author:
L. N. M. Yabuki; J. G. T. Queluz; M. L. Garcia
Source:
International journal of environmental science and technology 2022 v.19 no.1 pp. 463-474
ISSN:
1735-1472
Subject:
acid mine drainage; anaerobic treatment; bioavailability; cobalt; copper; ion exchange; iron; manganese; molasses; nickel; vinasse; zinc
Abstract:
... A determination of the mobility and bioavailability of metals could provide more comprehensive knowledge about the real environmental potential of anaerobic biodigestion and health risks associated with inappropriately treated wastewater. This study aims to determine the distribution of cobalt, copper, iron, manganese, nickel and zinc among the particulate and dissolved fractions in three wastewat ...
DOI:
10.1007/s13762-021-03166-9

31. Association Between Essential Metal Elements and the Risk of Autism in Chinese Han Population

Author:
Jiahui Ma; Jing Wu; Haibin Li; Jingyu Wang; Jisheng Han; Rong Zhang
Source:
Biological trace element research 2022 v.200 no.2 pp. 505-515
ISSN:
0163-4984
Subject:
Chinese people; autism; blood serum; calcium; case-control studies; cobalt; copper; dose response; homeostasis; humans; iron; magnesium; manganese; molybdenum; neurodevelopment; potassium; research; risk; selenium; sodium; zinc; China
Abstract:
... Essential metal elements (EMEs) have essential roles in neurological development and maintenance of human homeostasis. We performed a case-control study to explore association between the risk of autism spectrum disorder (ASD) and the 11 EMEs [Calcium (Ca), potassium (K), magnesium (Mg), sodium (Na), manganese (Mn), selenium (Se), cobalt (Co), Molybdenum (Mo), copper (Cu), zinc (Zn), and iron (Fe) ...
DOI:
10.1007/s12011-021-02690-6

32. Association between urinary thallium exposure and cardiovascular disease in U.S. adult population

Author:
Sibo Wang; Jiateng Sun; Chunping Tang; Lingfeng Gu; Chong Du; Hao Wang; Yao Ma; Liansheng Wang
Source:
Chemosphere 2022 v.294 pp. 133669
ISSN:
0045-6535
Subject:
National Health and Nutrition Examination Survey; adults; cardiovascular diseases; cobalt; cross-sectional studies; experimental design; human health; manganese; regression analysis; risk; thallium; tungsten
Abstract:
... Exposure to environmental metals, especially heavy metals, can damage human health. However, the association between metals and the prevalence of cardiovascular disease (CVD) remains controversial. The objective of this study was to determine the relationship of urinary metals to CVD in a general population of U.S. adults. We analyzed the cross-sectional data from 6867 adult (age ≥20 years) partic ...
DOI:
10.1016/j.chemosphere.2022.133669

33. Association of both prenatal and early childhood multiple metals exposure with neurodevelopment in infant: A prospective cohort study

Author:
Chaoqun Liu; Lulu Huang; Shengzhu Huang; Luyun Wei; Dehao Cao; Gaohui Zan; Yanli Tan; Sida Wang; Minjing Yang; Long Tian; Weijun Tang; Caitong He; Chunhua Shen; Bangzhu Luo; Maoling Zhu; Tao Liang; Baohong Pang; Mujun Li; Zengnan Mo; Xiaobo Yang
Source:
Environmental research 2022 v.205 pp. 112450
ISSN:
0013-9351
Subject:
Bayesian theory; aluminum; antimony; blood serum; cadmium; childhood; cobalt; cohort studies; iron; lead; maternal exposure; models; molybdenum; neurodevelopment; nickel; pregnancy; regression analysis; research; selenium; strontium; urine; China
Abstract:
... Impaired neurodevelopment of children has become a growing public concern; however, the associations between metals exposure and neurocognitive function have remained largely unknown. We systematically evaluated the associations of multiple metals exposure during pregnancy and childhood on the neurodevelopment of children aged 2–3 years. We measured 22 metals in the serum and urine among703 mother ...
DOI:
10.1016/j.envres.2021.112450

34. Associations of exposure to metal and metal mixtures with thyroid hormones: Results from the NHANES 2007–2012

Author:
Kyeezu Kim; Maria Argos; Victoria W. Persky; Sally Freels; Robert M. Sargis; Mary E. Turyk
Source:
Environmental research 2022 pp. 113413
ISSN:
0013-9351
Subject:
National Health and Nutrition Examination Survey; antimony; arsenic; barium; blood; cadmium; cesium; cobalt; health promotion; homeostasis; mercury; molybdenum; regression analysis; research; thallium; triiodothyronine; tungsten; uranium; urine
Abstract:
... Disrupted thyroid homeostasis plays a role in neurocognitive dysfunction and metabolic disorders. Since individuals are exposed to multiple metals simultaneously, it is important to assess the effects of metal mixtures on thyroid hormone status. This study aimed to investigate the associations of metal mixtures and individual metals with thyroid hormone levels. Data included 2399 men and 1988 wome ...
DOI:
10.1016/j.envres.2022.113413

35. Atomic Structure and Valence State of Cobalt Nanocrystals on Carbon under Syngas Versus Hydrogen Reduction

Author:
Ofentse A. Makgae; Tumelo N. Phaahlamohlaka; Benzhen Yao; Manfred E. Schuster; Thomas J. A. Slater; Peter P. Edwards; Neil J. Coville; Emanuela Liberti; Angus I. Kirkland
Source:
Journal of physical chemistry 2022 v.126 no.14 pp. 6325-6333
ISSN:
1932-7455
Subject:
Fischer-Tropsch reaction; carbon; carbon fibers; cobalt; electron microscopy; encapsulation; energy; hydrogen; nanocrystals; physical chemistry; synthesis gas; temperature
Abstract:
... The composition of the reducing gas in the activation of Co Fischer-Tropsch synthesis catalysts determines the nature of the catalytically active Co species. This study reports on the effect of H₂ versus syngas (H₂/CO = 2) on the reducibility of Co₃O₄ nanoparticles supported on hollow carbon spheres, using ex situ and in situ high-resolution aberration-corrected analytical electron microscopy. Hig ...
DOI:
10.1021/acs.jpcc.2c00482

36. Bimetal phosphide as high efficiency and stable bifunctional electrocatalysts for hydrogen and oxygen evolution reaction in alkaline solution

Author:
Yutong Liu; Meng Ding; Xiaolong Deng; Yafang Zhang; Gang Zhao
Source:
RSC advances 2022 v.12 no.15 pp. 9051-9057
ISSN:
2046-2069
Subject:
ambient temperature; cobalt; electrolysis; electrolytes; electron transfer; energy; hydrogen; hydrogen production; microstructure; nickel; oxygen production; phosphides; sustainable development; synergism
Abstract:
... The development of low-cost, high-efficiency, and stable bifunctional electrocatalysts for large-scale water electrolysis is very important for the sustainable development of energy. In this paper, the nickel cobalt phosphide (CoNiP) microstructure was prepared by the “in situ growth-ion exchange-phosphating” method. Due to the flake structure and the synergistic effect of the bimetal, the synthes ...
DOI:
10.1039/d2ra00099g

37. Bimetallic CoCu-ZIF material for efficient visible light photocatalytic fuel denitrification

Author:
Yi Lu; Haibo Pan; Jiafeng Lai; Yuzhou Xia; Lu Chen; Ruowen Liang; Guiyang Yan; Renkung Huang
Source:
RSC advances 2022 v.12 no.20 pp. 12702-12709
ISSN:
2046-2069
Subject:
ambient temperature; cobalt; denitrification; irradiation; light; photocatalysis; photocatalysts; reaction mechanisms
Abstract:
... Effective design of photocatalysts is an effective method to improve the separation of photogenerated carriers, which improves the photocatalytic performance of photocatalysts. In this work, CoCu-ZIF materials with bimetallic structure were synthesized at room temperature for efficient photocatalytic fuel denitrification. The properties and structures of CoCu-ZIF photocatalysts can be effectively ...
DOI:
10.1039/d2ra01049f

38. Bimetallic Oxide Catalyst for the Dehydrogenative Oxidation Reaction of Alcohols: Practical Application in the Synthesis of Value-Added Chemicals

Author:
Rupali Mittal; Satish Kumar Awasthi
Source:
ACS sustainable chemistry & engineering 2022 v.10 no.4 pp. 1702-1713
ISSN:
2168-0485
Subject:
acetates; catalysts; catalytic activity; cobalt; cobalt oxide; dehydrogenation; green chemistry; hydrogen; niacin; oxidation; reaction kinetics; succinic acid; surface area; value added; zinc
Abstract:
... This work demonstrates the preparation of zinc cobalt oxide materials (ZCO-1, ZCO-2, and ZCO-3) via thermal annealing of novel zinc cobalt acetate hydroxide precursors prepared in three different Co/Zn molar ratios (2:1, 1:1, and 1:2). Among these, the ZCO-1 sample displayed superior catalytic activity for the dehydrogenative oxidation of alcohols to carboxylic acids, exhibiting wide substrate app ...
DOI:
10.1021/acssuschemeng.1c07799

39. Bimetallic nanoarrays embedded in three-dimensional carbon foam as lightweight and efficient microwave absorbers

Author:
Bo Wei; Mengqing Wang; Zhengjun Yao; Zhiping Chen; Ping Chen; Xuewei Tao; Yijie Liu; Jintang Zhou
Source:
Carbon 2022 v.191 pp. 486-501
ISSN:
0008-6223
Subject:
absorption; carbon; cobalt; electromagnetic interference; electromagnetic radiation; electronic equipment; ethanol; foams; information technology; magnetism; melamine; nickel; oxidation; solvents; temperature
Abstract:
... The rapid development of electronic information technology has promoted the use of a large number of high-frequency electronic equipment, which has led to increasingly serious electromagnetic interference (EMI) problems caused by disordered radiation. At present, for the 2–18 GHz microwave frequency band, it is still a huge challenge to develop high-efficiency absorbing materials with ultra-wide a ...
DOI:
10.1016/j.carbon.2022.02.020

40. Binder free cobalt iron phosphate thin films as efficient electrocatalysts for overall water splitting

Author:
Suraj A. Khalate; Sujit A. Kadam; Yuan-Ron Ma; Sachin B. Kulkarni; Vinayak G. Parale; Umakant M. Patil
Source:
Journal of colloid and interface science 2022 v.613 pp. 720-732
ISSN:
0021-9797
Subject:
catalysts; catalytic activity; cobalt; electrical conductivity; electrochemistry; electrodes; energy conversion; hydrogen production; iron; iron phosphates; renewable energy sources; stainless steel
Abstract:
... Designing nanostructure based robust catalyst for the electrochemical water splitting is the great task in the energy conversion field to accomplish high electrical conductivity, low overpotential and long lasting activity. Herein, the electrochemical overall water splitting is reported by using the hydrothermally synthesized binder free cobalt iron phosphate thin films on low cost stainless steel ...
DOI:
10.1016/j.jcis.2022.01.015

41. Biocompatibility of Solanum lycopersicum and Solanum melongena which developed in heavy metals polluted soils

Author:
Khalid H Alamer; Houneida Attia; Hessah S Alrobaie; Asmaa A. Hamad
Source:
South African journal of botany 2022 v.147 pp. 24-34
ISSN:
0254-6299
Subject:
Solanum lycopersicum; Solanum melongena; agricultural soils; bioaccumulation factor; biocompatibility; cadmium; catalase; cobalt; copper; eggplants; fruits; glutathione peroxidase; greenhouses; humans; nickel; photosynthesis; soil remediation; superoxide dismutase; tomatoes; zinc
Abstract:
... Response of Solanum lycopersicum and Solanum melongena to different HMs concentration in various types of soil matrix has been studied in greenhouse experiments over the course of 11 months. Nickel (Ni), cadmium (Cd), cobalt (Co), copper (Cu), nickel (Ni), and zinc (Zn) concentrations in examined soils have been founded within the permissible value for agricultural soil prescribed by FAO. Cadmium ...
DOI:
10.1016/j.sajb.2021.12.033

42. Bioderived carbon fiber conductive networks with inlaid electrocatalysts as an ultralight freestanding interlayer for working Li–SeS2 pouch cells

Author:
Yin Zhang; Boya Wang; Peng Jing; Yi Guo; Yueying Zhang; Yunhong Wei; Qian Wang; Yun Zhang; Hao Wu
Source:
Carbon 2022 v.189 pp. 10-20
ISSN:
0008-6223
Subject:
biomass; carbon; carbon fibers; cathodes; cobalt; disulfides; electrolytes; selenium; sulfur
Abstract:
... Introducing a freestanding functional interlayer has been a conventional tactic to immobilize the soluble polysulfide intermediate in Li–S batteries. However, most of the designed interlayers possess extra heavy weight, casting additional technical challenges toward practical high-specific-energy batteries. Herein, an ultralight self-standing interlayer with an extremely low mass loading (∼0.14 mg ...
DOI:
10.1016/j.carbon.2021.12.046

43. Bioinspired modeling and biogeography-based optimization of electrocoagulation parameters for enhanced heavy metal removal

Author:
Ananya Jain; Saumitra Rai; Rallapalli Srinivas; Riyadh I. Al-Raoush
Source:
Journal of cleaner production 2022 v.338 pp. 130622
ISSN:
0959-6526
Subject:
algorithms; biogeography; cobalt; electric power; electrocoagulation; energy; heavy metals; manganese; neural networks; pH; remediation; sustainable development; temperature; wastewater; wastewater treatment
Abstract:
... Electrocoagulation is an effective wastewater treatment process for the removal of heavy metals. This study focuses on deriving optimal conditions for removing heavy metals, viz. Lead (Pb), Cobalt (Co), and Manganese (Mn) from simulated wastewater by investigating removal efficiency and energy consumption of electrocoagulation process. Five operational parameters namely pH (2–10), current density ...
DOI:
10.1016/j.jclepro.2022.130622

44. Biological monitoring of exposure to rare earth elements and selected metals in the Inuit population of Nunavik, Canada

Author:
Ciprian Mihai Cirtiu; Mathieu Valcke; Michelle Gagné; Marie-Hélène Bourgault; Céline Narame; Souleymane Gadio; Patrick Poulin; Pierre Ayotte
Source:
Chemosphere 2022 v.289 pp. 133142
ISSN:
0045-6535
Subject:
Inuit; adults; antimony; arsenic; cerium; chromium; cobalt; detection limit; environmental monitoring; health surveys; lanthanum; nickel; thallium; uranium; urine; Quebec
Abstract:
... In Nunavik (Northern Quebec, Canada), some mining projects are envisioned, that could increase the contamination of the environment by various chemicals, including rare earth elements (REEs), and implicitly Inuit population exposure. The objective of this study was to determine the baseline biological exposure of the population to these elements, before the potential mining development occurs. In ...
DOI:
10.1016/j.chemosphere.2021.133142

45. Biomass-derived carbon dots regulating nickel cobalt layered double hydroxide from 2D nanosheets to 3D flower-like spheres as electrodes for enhanced asymmetric supercapacitors

Author:
Keqi Qu; Manhui Chen; Weicong Wang; Shuai Yang; Songjie Jing; Sitong Guo; Jiangyang Tian; Houjuan Qi; Zhanhua Huang
Source:
Journal of colloid and interface science 2022 v.616 pp. 584-594
ISSN:
0021-9797
Subject:
activated carbon; capacitance; cobalt; electrical conductivity; electrochemical capacitors; electrochemistry; electrodes; energy; energy density; fungi; nanosheets; nickel; surface area
Abstract:
... Layered double hydroxides (LDHs) often require the use of carbon materials to improve their stability, conductivity, and specific surface area to accommodate new directions in the development of high-performance energy storage materials. Herein, 2D nickel cobalt layered double hydroxide (NCLDH) nanosheets are regulated to form 3D flower-like spheres by fungus bran-derived carbon dots (CDs) via an ...
DOI:
10.1016/j.jcis.2022.02.110

46. Biomonitoring of urinary metals in athletes according to particulate matter air pollution before and after exercise

Author:
Sabina Cauci; Michael Tavano; Francesco Curcio; Maria Pia Francescato
Source:
Environmental science and pollution research 2022 v.29 no.18 pp. 26371-26384
ISSN:
0944-1344
Subject:
air; air pollution; aluminum; arsenic; beryllium; body mass index; cadmium; chromium; cobalt; copper; environmental monitoring; excretion; exercise; lead; manganese; nickel; particulates; research; selenium; thallium; toxicity; uranium; vanadium; zinc
Abstract:
... Exposure to air pollution during physical exercise is a health issue because fine particulate matter (dimension < 10 μm; PM₁₀) includes several inhalable toxic metals. Body metal changes in athletes according to air pollution are poorly known. Urinary concentrations of 15 metals: beryllium (Be⁹), aluminum (Al²⁷), vanadium (V⁵¹), chromium (Cr⁵¹ + Cr⁵²), manganese (Mn⁵⁵), cobalt (Co⁵⁹), nickel (Ni⁶¹ ...
DOI:
10.1007/s11356-021-17730-w

47. Bioremoval capacity of Co+2 using Phormidium tenue and Chlorella vulgaris as biosorbents

Author:
Neveen Abdel-Raouf; Essam Nageh Sholkamy; Nagat Bukhari; Nouf Mohammed Al-Enazi; Khawla Ibrahim Alsamhary; Soad Humead A. Al-Khiat; Ibraheem Borie M. Ibraheem
Source:
Environmental research 2022 v.204 pp. 111630
ISSN:
0013-9351
Subject:
Chlorella vulgaris; Fourier transform infrared spectroscopy; Phormidium tenue; aqueous solutions; biomass; biosorbents; biosorption; cobalt; heavy metals; microalgae; pH; research; sorbents; streams; toxicity; transmission electron microscopy; Saudi Arabia
Abstract:
... Microalgae sorbents are microalgae that have the potential to passively bind heavy metals/contaminants to their cellular structures in a process called biosorption. This study investigates the use of two species of microalgae to remove the toxic heavy metal cobalt from aqueous solution. Two microalgae isolates, Phormidium tenue and Chlorella vulgaris, were collected from the Wadi Hanifah Stream in ...
DOI:
10.1016/j.envres.2021.111630

48. Biosorption of Heavy Metals From Tannery Effluents by Using Green Unicellular Microalga, Tetradesmus obliquus RDRL01

Author:
A.M. Rajalakshmi; T. Silambarasan; R. Dhandapani
Source:
Applied biological research 2022 v.24 no.1 pp. 28-37
ISSN:
0974-4517
Subject:
Fourier transform infrared spectroscopy; Tetradesmus; bioethanol; biological treatment; biomass; biosorption; cadmium; carbohydrates; chromium; cobalt; copper; heavy metals; lead; microalgae; nickel; research; tanneries; tannery effluents; toxicity; zinc; India
Abstract:
... In present study, ecofriendly biological treatment of tannery effluent was performed by using unicellular microalga Tetradesmus obliquus strain RDRL01, isolated from Sipcot, Vellore, Tamil Nadu (India). The microalga reduced heavy metals content viz., chromium, cobalt, nickel, cadmium, lead, zinc and copper by 99.1, 98.2, 97.4, 94.3, 98.3, 96.8 and 96.3%, respectively, after 15 days treatment of t ...
DOI:
10.5958/0974-4517.2022.00008.8

49. Biosorption of nickel, cobalt, zinc and copper ions by Serratia marcescens strain 16 in mono and multimetallic systems

Author:
A. Díaz; J. Marrero; G. Cabrera; O. Coto; J. M. Gómez
Source:
Biodegradation 2022 v.33 no.1 pp. 33-43
ISSN:
0923-9820
Subject:
Fourier transform infrared spectroscopy; Serratia marcescens; bacteria; biodegradation; biosorbents; biosorption; cobalt; heavy metals; metallurgy; nickel; pollution; viability; zinc
Abstract:
... The metallurgical industry is one of the main sources of heavy metal pollution, which represents a severe threat to life. Metals can be removed from aqueous solutions by using microbial biomasses. This paper analyses the heavy metal biosorption capacity of Serratia marcescens strain 16 in single and multimetallic systems. The results obtained show that Co(II), Ni(II) and Zn(II) biosorption in mono ...
DOI:
10.1007/s10532-021-09964-9

50. Bisphenol A degradation by peroxymonosulfate photo-activation coupled with carbon-based cobalt ferrite nanocomposite: Performance, upgrading synergy and mechanistic pathway

Author:
Babak Kakavandi; Saba Alavi; Farshid Ghanbari; Mehdi Ahmadi
Source:
Chemosphere 2022 v.287 pp. 132024
ISSN:
0045-6535
Subject:
bisphenol A; carbon nanotubes; catalysts; catalytic activity; cobalt; ferrimagnetic materials; hydrogen peroxide; nanocomposites; ultraviolet radiation
Abstract:
... Cobalt ferrite (CoFe₂O₄, CF) nanoparticles were anchored on the multiwalled carbon nanotube (MWCNT) for synthesis of CF@MWCNT nanocomposite and enhancing the catalytic activity of CF. After well characterization, it was applied as a catalyst towards photo-activation peroxymonosulfate (PMS) for degradation of bisphenol A (BPA). Based on the identified intermediates, a possible degradation pathway w ...
DOI:
10.1016/j.chemosphere.2021.132024