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1. Coating zirconium oxide-nanocomposite with humic acid for recovery of mercury and chromium in hazardous waste of chemical oxygen demand test

Author:
Yujian Lai; Liteng Hao; Lijie Dong; Sujuan Yu; Jingfu Liu
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 40-47
ISSN:
1001-0742
Subject:
adsorption; chromium; desorption; hazardous waste; humic acids; mercury; nanocomposites; pH; salinity; thiourea; toxicity; wastewater; zirconium; China
Abstract:
... Hazardous waste of chemical oxygen demand (COD) test (HWCOD) is one of the most common laboratory wastewaters, containing large amounts of H₂SO₄ and highly toxic Cr³⁺ and Hg²⁺. Current treatment methods suffered from incomplete removal of Cr³⁺ and high-cost. Herein, a humic acid-coated zirconium oxide-resin nanocomposite (HA-HZO-201) was fabricated for efficient recovery of Cr³⁺ and Hg²⁺ in HWCOD. ...
DOI:
10.1016/j.jes.2022.04.017

2. Component regulation in novel La-Co-O-C composite catalyst for boosted redox reactions and enhanced thermal stability in methane combustion

Author:
Peiqi Chu; Saifei Wang; Yi Zhang; Shiguang Zhao; Yahan Wang; Jiguang Deng; Erhong Duan
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 459-469
ISSN:
1001-0742
Subject:
X-ray photoelectron spectroscopy; acidity; activation energy; active oxygen species; adsorption; ammonia; carbon dioxide; catalysts; catalytic activity; combustion; desorption; glycerol; hydrogen; methane; models; oxygen; temperature; thermal stability; China
Abstract:
... A novel La-Co-O-C (LC-C) composites were prepared via a facile co-hydrothermal route with oxides and glycerol and further optimized for methane catalytic activity and thermal stability via component regulation. It was demonstrated that Co₃O₄ phase was the main component in regulation. The combined results of X-ray photoelectron spectroscopy (XPS), temperature-programmed desorption of oxygen (O₂-TP ...
DOI:
10.1016/j.jes.2022.04.002

3. Decomplexation of Cu-1-hydroxyethylidene-1,1-diphosphonic acid by a three-dimensional electrolysis system with activated biochar as particle electrodes

Author:
Xing Wang; Zilong Zhao; Hongjie Wang; Feng Wang; Wenyi Dong
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 630-643
ISSN:
1001-0742
Subject:
adsorption; almond shells; anodes; biochar; electric current; electrochemistry; mineralization; oxidation; pH; quinones; wastewater; China
Abstract:
... The feasibility of decomplexation removal of typical contaminants in electroplating wastewater, complexed Cu(II) with 1-hydroxyethylidene-1,1-diphosphonic acid (Cu-HEDP), was first performed by a three-dimensional electrode reactor with activated biochar as particle electrodes. For the case of 50 mg/L Cu-HEDP, Cu(II) removal (90.7%) and PO₄³⁻ conversion (34.9%) were achieved under the conditions o ...
DOI:
10.1016/j.jes.2021.11.036

4. Effect of Cu loading content on the catalytic performance of Cu-USY catalysts for selective catalytic reduction of NO with NH3

Author:
Jie Wan; Haipeng Yang; Yijun Shi; Yanjun Liu; Jin Zhang; Jun Zhang; Gongde Wu; Renxian Zhou
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 445-458
ISSN:
1001-0742
Subject:
Fourier transform infrared spectroscopy; Lewis acids; X-ray diffraction; adsorption; byproducts; catalysts; catalytic activity; desorption; oxidation; zeolites; China
Abstract:
... Series of Cu-USY zeolite catalyst with different Cu loading content were synthesized through simple impregnation method. The obtained catalysts were subjected to selective catalytic reduction of NOₓ with NH₃ (NH₃-SCR) performance evaluation, structural/chemical characterizations such as X-ray diffraction (XRD), N₂ adsorption/desorption, H₂ temperature-programmed reduction (H₂-TPR), NH₃ temperature ...
DOI:
10.1016/j.jes.2022.03.027

5. Effect of iron ion configurations on Ni2+ removal in electrocoagulation

Author:
Xiaoliu Lü; Tao Xu; Yihui Zhou; Qingjuan Peng; Jinhua Ou; Bonian Hu; Zhihui Xie; Xiping Lei; Gang Yu
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 823-834
ISSN:
1001-0742
Subject:
adsorption; dyes; electrocoagulation; electrolysis; heavy metals; industry; methyl orange; nickel; polymers; spectroscopy; wastewater; China
Abstract:
... Electrocoagulation (EC) has been widely used to treat the heavy metal wastewater in industry. A novel process of sinusoidal alternating current electrocoagulation (SACC) is adopted to remove Ni²⁺ in wastewater in this study. The morphology of precipitates and the distribution of the main functional iron configurations were investigated. Ferron timed complex spectroscopy can identify the monomeric ...
DOI:
10.1016/j.jes.2022.01.037

6. Efficient removal of Cr(VI) by a 3D Z-scheme TiO2-ZnxCd1-xS graphene aerogel via synergy of adsorption and photocatalysis under visible light

Author:
Qianwei Liang; Xin Chen; Ruina Liu; Ke Xu; Hanjin Luo
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 360-370
ISSN:
1001-0742
Subject:
adsorption; aerogels; graphene; graphene oxide; irradiation; light; photocatalysis; photocatalysts; synergism; virulence; wavelengths; China
Abstract:
... Efficient and robust photocatalysts for environmental pollutants removal with outstanding stability have great significance. Herein, we report a kind of three dimensional (3D) photocatalyst presented as Z-scheme heterojunction, which combining TiO₂ and ZnₓCd₁₋ₓS with graphene aerogel to contrast TiO₂-ZnₓCd₁₋ₓS graphene aerogel (TSGA, x=0.5) through a moderate hydrothermal process. The as-prepared ...
DOI:
10.1016/j.jes.2021.09.037

7. Enhanced activity of ZnS (111) by N/Cu co-doping: Accelerated degradation of organic pollutants under visible light

Author:
Guofei Jiang; Benjie Zhu; Junzhi Sun; Fang Liu; Yongqiang Wang; Chaocheng Zhao
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 244-257
ISSN:
1001-0742
Subject:
2,4-dichlorophenol; absorption; adsorption; density functional theory; energy; hot water treatment; light; nanospheres; photocatalysis; photocatalysts; surface area; tetracycline; texture; wastewater; water treatment; China
Abstract:
... High-efficiency photocatalysts are of great significance for the application of photocatalytic technology in water treatment. In this study, N/Cu co-doped ZnS nanosphere photocatalyst (N/Cu-ZnS) is synthesized by a hydrothermal method for the first time. After doping, the texture of nanosphere becomes loose, the nanometer diameter is reduced, making the specific surface area of catalyst increased ...
DOI:
10.1016/j.jes.2021.12.023

8. Enhanced adsorption and colorimetric detection of tetracycline antibiotics by using functional phosphate/carbonate composite with nanoporous network coverage

Author:
Pratchayaporn Yukhajon; Titikan Somboon; Sira Sansuk
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 365-377
ISSN:
1001-0742
Subject:
adsorption; anion exchange; calcium carbonate; colorimetry; endothermy; hydrogen; nanopores; phosphates; remediation; sorption isotherms; surface area; tetracycline; China
Abstract:
... This work presents efficient tetracycline (TC) antibiotics adsorption using a functional porous phosphate/carbonate composite (PCC). The PCC was fabricated by anion-exchange of phosphate on the surface of vaterite-phase calcium carbonate particle scaffolds. The PCC, having dense nanoporous network coverage with large surface area and pore volume, exhibited excellent TC adsorption in solution. Its ...
DOI:
10.1016/j.jes.2022.04.009

9. Experimental and theoretical studies on NO selective catalytic oxidation over [formula omitted]-MnO2

Author:
Xingguang Hao; Jie Yang; Xin Sun; Ping Ning; Kai Li; Yuan Li; Yuejiao Hao; Xin Song
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 396-407
ISSN:
1001-0742
Subject:
active sites; adsorption; density functional theory; dissociation; oxidation; oxygen; China
Abstract:
... Based on the experimental and theoretical methods, the NO selective catalytic oxidation process was proposed. The experimental results indicated that lattice oxygen was the active site for NO oxide over the α-MnO₂(110) surface. In the theoretical study, DFT (density functional theory) and periodic slab modeling were performed on an α-MnO₂(110) surface, and two possible NO oxidation mechanisms over ...
DOI:
10.1016/j.jes.2022.04.006

10. Fe(II)-mediated transformation of schwertmannite associated with calcium from acid mine drainage treatment

Author:
Cong Fan; Chuling Guo; Wei Chen; Guining Lu; Yu Shen; Zhi Dang
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 612-620
ISSN:
1001-0742
Subject:
acid mine drainage; adsorption; calcium; geochemistry; goethite; lepidocrocite; mineralization; neutralization; China
Abstract:
... Schwertmannite is an important Fe(III)-oxyhydroxysulfate in acid mine drainage (AMD) polluted areas and its stability depends on surrounding environmental factors and previously bound elements. The treatment and neutralization of AMD normally involve the use of lime, which leads to the discharge of abundant Ca in the mining area. Such an environmental disturbance brings up an important and less co ...
DOI:
10.1016/j.jes.2022.05.044

11. Fluorine-doped BiVO4 photocatalyst: Preferential cleavage of C−N bond for green degradation of glyphosate

Author:
Yunlong Chen; Yingping Huang; Hailin Tian; Liqun Ye; Ruiping Li; Chuncheng Chen; Zhongxu Dai; Di Huang
Source:
Journal of environmental sciences (China) 2023 v.127 pp. 60-68
ISSN:
1001-0742
Subject:
Fourier transform infrared spectroscopy; absorption; adsorption; glyphosate; human health; pH; photocatalysts; photolysis; toxicity; China
Abstract:
... With increasing concerns on the environment and human health, the degradation of glyphosate through the formation of less toxic intermediates is of great importance. Among the developed methods for the degradation of glyphosate, photodegradation is a clean and efficient strategy. In this work, we report a new photocatalyst by doping F ion on BiVO₄ that can efficiently degrade glyphosate and reduce ...
DOI:
10.1016/j.jes.2022.04.013

12. Formaldehyde oxidation on Pd/USY catalysts at room temperature: The effect of acid pretreatment on supports

Author:
Xiaofeng Liu; Chunying Wang; Yumin Chen; Qi Qin; Yaobin Li; Hong He
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 811-822
ISSN:
1001-0742
Subject:
acid treatment; adsorption; ambient temperature; carbon dioxide; catalytic activity; formaldehyde; formates; hydrochloric acid; oxidation; reaction mechanisms; surface area; zeolites; China
Abstract:
... The complete catalytic oxidation of formaldehyde (HCHO) to CO₂ and H₂O at room temperature is a green route for indoor HCHO removal. Zeolite is an excellent carrier material for HCHO oxidation due to its large surface area, intricate pores and high adsorption capacity. However, the zeolite-supported noble metal catalysts have currently shown relatively low activity especially at room temperature. ...
DOI:
10.1016/j.jes.2022.02.025

13. Functionalization of nitrogen-doped graphene quantum dot: A sustainable carbon-based catalyst for the production of cyclic carbonate from epoxide and CO2

Author:
Zahra Eshaghi Gorji; Abbas Ali Khodadadi; Siavash Riahi; Timo Repo; Yadollah Mortazavi; Marianna Kemell
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 408-422
ISSN:
1001-0742
Subject:
Fourier transform infrared spectroscopy; adsorption; atomic force microscopy; carbon dioxide; carbonates; energy-dispersive X-ray analysis; graphene; halogens; hydrogen; organocatalysts; propylene; propylene oxide; quantum dots; reaction mechanisms; solvents; temperature; thermogravimetry; China
Abstract:
... A series of organic compounds were successfully immobilized on an N-doped graphene quantum dot (N-GQD) to prepare a multifunctional organocatalyst for coupling reaction between CO₂ and propylene oxide (PO). The simultaneous presence of halide ions in conjunction with acidic- and basic-functional groups on the surface of the nanoparticles makes them highly active for the production of propylene car ...
DOI:
10.1016/j.jes.2022.04.046

14. High capacity adsorption of antimony in biomass-based composite and its consequential utilization as battery anode

Author:
Yao Wang; Xinyue Zhang; Na Ju; Hongna Jia; Zejun Sun; Jiaxing Liang; Rongxiu Guo; Dun Niu; Hong-bin Sun
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 211-221
ISSN:
1001-0742
Subject:
adsorbents; adsorption; anodes; antimony; chitosan; electric power; hydrogen bonding; lithium batteries; moieties; nanospheres; pollutants; water treatment; China
Abstract:
... Antimony is more than an emerging pollutant in water but a scare resource. In this study, we report an adsorbent with the record capacity so far from the balanced view of Sb(III) and Sb(V). The composite adsorbent was fabricated by encapsulating hollow Fe₃O₄ nanosphere with the EDTA grafted chitosan, and it has superhigh adsorption capacity of for 657.1 mg/g for Sb(III) and 467.3 mg/g for Sb(V), r ...
DOI:
10.1016/j.jes.2022.05.050

15. Immobilization of antimony in soil and groundwater using ferro-magnesium bimetallic organic frameworks

Author:
Le Yuan; Jianle Wang; Zuqi Zhong; Jiguang Li; Hong Deng
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 194-204
ISSN:
1001-0742
Subject:
adsorption; antimony; bioavailability; groundwater; hot water treatment; ion exchange; polluted soils; remediation; risk; sorption isotherms; toxicity; China
Abstract:
... Sb(III) is often detected in contaminated soil and groundwater. Hence, high-efficiency technology is needed. In this study, bimetallic organic frameworks were used for the first time to immobilize Sb(III) from contaminated soil and groundwater. The materials were synthesized by the hydrothermal method. Both ends of the prepared material were hexagonal tip rods, and the length became shorter as the ...
DOI:
10.1016/j.jes.2022.01.030

16. Joint effects of micro-sized polystyrene and chlorpyrifos on zebrafish based on multiple endpoints and gut microbial effects

Author:
Zhiyi Huang; Xiangxiang Xiao; Dali Wang; Yuheng Zhong; Qi Ding; Jing You
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 184-197
ISSN:
1001-0742
Subject:
Danio rerio; adsorption; aquatic environment; chlorpyrifos; fish; histology; intestinal microorganisms; liver; microbial communities; microplastics; oxidative stress; polystyrenes; toxicology; wildlife; China
Abstract:
... Microplastics often co-occur with a variety of organic contaminants in aquatic environment and pose combined risks to aquatic wildlife. Here, we investigated joint effects of micro-sized polystyrene (mPS, 5 µm) and an organophosphate pesticide chlorpyrifos on zebrafish, using multiple endpoints at both fish individual and gut microbiota levels. It was revealed that mPS ingested by zebrafish accumu ...
DOI:
10.1016/j.jes.2022.06.001

17. Multi-function adsorbent-photocatalyst MXene-TiO2 composites for removal of enrofloxacin antibiotic from water

Author:
Siwanat Sukidpaneenid; Chamorn Chawengkijwanich; Chonlada Pokhum; Toshihiro Isobe; Pakorn Opaprakasit; Paiboon Sreearunothai
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 414-428
ISSN:
1001-0742
Subject:
adsorption; antibiotics; electrical conductivity; enrofloxacin; hot water treatment; hydrophilicity; new family; photocatalysis; sodium; synergism; temperature; China
Abstract:
... MXenes, a new family of two-dimensional transition metal carbides or nitrides, have attracted tremendous attention for various applications due to their unique properties such as good electrical conductivity, hydrophilicity, and ion intercalability. In this work, Ti₃C₂ MXene, or MX, is converted to MX-TiO₂ composites using a simple and rapid microwave hydrothermal treatment in HCl/NaCl mixture sol ...
DOI:
10.1016/j.jes.2021.09.042

18. N/Ce doped graphene supported Pt nanoparticles for the catalytic oxidation of formaldehyde at room temperature

Author:
Yaodong Guo; Zhaoying Di; Xiaonan Guo; Ying Wei; Runduo Zhang; Jingbo Jia
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 135-147
ISSN:
1001-0742
Subject:
adsorption; ambient temperature; catalysts; catalytic activity; formaldehyde; graphene; graphene oxide; oxidation; oxygen; physicochemical properties; reaction mechanisms; surface area; synergism; China
Abstract:
... Pt catalysts with nitrogen-doped graphene oxide (GO) as support and CeO₂ as promoter were prepared by impregnation method, and their catalytic oxidation of formaldehyde (HCHO) at room temperature was tested. The Pt-CeO₂/N-rGO (reduced GO) with a mass fraction of 0.7% Pt and 0.8% CeO₂ exhibited an excellent catalytic performance with the 100% conversion of HCHO at room temperature. Physicochemical ...
DOI:
10.1016/j.jes.2021.12.033

19. Nitrogen-doped porous carbons from polyacrylonitrile fiber as effective CO2 adsorbents

Author:
Changdan Ma; Jiali Bai; Xin Hu; Zhuohan Jiang; Linlin Wang
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 533-543
ISSN:
1001-0742
Subject:
adsorbents; adsorption; carbon; carbon dioxide; carbonization; heat; nitrogen content; polyacrylonitrile; porosity; temperature; China
Abstract:
... In this report, nitrogen-doped porous carbons were synthesized from polyacrylonitrile fiber by a facile two-step synthesis process i.e. carbonization followed by KOH activation. Activation temperature and KOH/carbon ratio are two parameters to tune the porosity and surface chemical properties of sorbents. The as-obtained sorbents were carefully characterized. Special attention was paid concerning ...
DOI:
10.1016/j.jes.2022.03.016

20. One-step preparation of MoOx/ZnS/ZnO composite and its excellent performance in piezocatalytic degradation of Rhodamine B under ultrasonic vibration

Author:
Song Zheng; Xiaojing Li; Jiayu Zhang; Junfeng Wang; Chunran Zhao; Xin Hu; Ying Wu; Yiming He
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 1-13
ISSN:
1001-0742
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; catalysts; catalytic activity; dielectric spectroscopy; pH; rhodamines; surface area; transmission electron microscopy; ultrasonics; vibration; China
Abstract:
... This paper synthesized a new type of ternary piezoelectric catalyst MoOₓ/ZnS/ZnO (MZZ) by a one-step method. The catalytic degradation of Rhodamine B (RhB) solution (10 μg/g, pH = 7.0) shows that the composite catalyst has excellent piezoelectric catalytic activity under ultrasonic vibration (40 kHz). The piezoelectric degradation rate of the optimal sample reached 0.054 min⁻¹, which was about 2.5 ...
DOI:
10.1016/j.jes.2021.10.028

21. Promotional catalytic activity and reaction mechanism of Ag-modified Ce0.6Zr0.4O2 catalyst for catalytic oxidation of ammonia

Author:
Xiaolong Tang; Yuanyuan Zhang; Yaru Lei; Yuanyuan Liu; Honghong Yi; Fengyu Gao
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 491-504
ISSN:
1001-0742
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; ammonia; catalysts; catalytic activity; dehydrogenation; desorption; oxidation; oxygen; reaction mechanisms; reflectance; spectrometers; surface area; temperature; China
Abstract:
... Ce₁₋ₓZrₓO₂ composite oxides (molar, x = 0-1.0, interval of 0.2) were prepared by a cetyltrimethylammonium bromide-assisted precipitation method. The enhancement of silver-species modification and catalytic mechanism of adsorption-transformation-desorption process were investigated over the Ag-impregnated catalysts for low-temperature selective catalytic oxidation of ammonia (NH₃-SCO). The optimal ...
DOI:
10.1016/j.jes.2021.11.027

22. Remediation of Cu and As contaminated water and soil utilizing biochar supported layered double hydroxide: Mechanisms and soil environment altering

Author:
Pengling Shao; Hua Yin; Yingchao Li; Yuhao Cai; Caiya Yan; Yibo Yuan; Zhi Dang
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 275-286
ISSN:
1001-0742
Subject:
adsorbents; adsorption; aqueous solutions; arsenic; biochar; copper; coprecipitation; edaphic factors; microbial communities; remediation; soil; sorption isotherms; sucrose alpha-glucosidase; urease; water pollution; China
Abstract:
... Preparing materials for simultaneous remediation of anionic and cationic heavy metals contamination has always been the focus of research. Herein a biochar supported FeMnMg layered double hydroxide (LDH) composites (LB) for simultaneous remediation of copper and arsenic contamination in water and soil has been assembled by a facile co-precipitation approach. Both adsorption isotherm and kinetics s ...
DOI:
10.1016/j.jes.2022.05.025

23. Remediation performance and mechanisms of Cu and Cd contaminated water and soil using Mn/Al-layered double oxide-loaded biochar

Author:
Pengcheng Lin; Hang Liu; Hua Yin; Minghan Zhu; Haoyu Luo; Zhi Dang
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 593-602
ISSN:
1001-0742
Subject:
adsorption; bioavailability; biochar; crabs; heavy metals; ion exchange; polluted soils; remediation; water pollution; China
Abstract:
... The combined pollution of heavy metals is ubiquitous worldwide. Mn/Al-layered double oxide-loaded crab shells biochar (LDO/BC) was prepared, so as to remediate the combined pollution of Cd and Cu in soil and water. The pristine and used LDO/BC were characterized and the results revealed that the layered double oxide was successfully loaded on crab shells biochar (BC) and metal element Ca in crab s ...
DOI:
10.1016/j.jes.2022.03.023

24. Retention of trace elements in coal-fired flue gas by a novel heterogeneous agglomeration technology

Author:
Yushan Ji; Xiangzheng Cui; Jingchao Liu; Tianle Zhang; Shuzhou Wei; Junfeng Zhang; Yongchun Zhao; Junying Zhang
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 234-243
ISSN:
1001-0742
Subject:
adsorbents; adsorption; coal; dust; flue gas; flue gas desulfurization; fly ash; models; particle size; China
Abstract:
... Heterogeneous agglomeration (HA) is a very potential technology for coal-fired flue gas treatment. In this paper, the distribution and migration mechanisms of trace elements (TEs) such as Se, As and Pb in CFPPs were studied on a 30,000 m³/hr pilot-scale experimental platform. The influences of HA on the removal efficiency of gaseous and particulate TEs were well analyzed. The results showed that S ...
DOI:
10.1016/j.jes.2021.12.039

25. Selective removal of heavy metals by Zr-based MOFs in wastewater: New acid and amino functionalization strategy

Author:
Ping Chen; Yalan Wang; Xiaoqin Zhuang; Haijin Liu; Guoguang Liu; Wenying Lv
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 268-280
ISSN:
1001-0742
Subject:
adsorbents; adsorption; chromium; ecosystems; formic acid; heavy metals; human health; pH; pollution; porosity; surface area; toxicity; wastewater; water quality; China
Abstract:
... Zr-based metal-organic frameworks (MOFs) have been developed in recent years to treat heavy metals, e.g. hexavalent chromium Cr⁶⁺ pollution, which damages the surrounding ecosystem and threaten human health. This kind of MOF is stable and convenient to prepare, but has the disadvantage of low adsorption capacity, limiting its wide application. To this end, a novel formic acid and amino modified MO ...
DOI:
10.1016/j.jes.2021.10.010

26. Simultaneous adsorption of As(III) and Pb(II) by the iron-sulfur codoped biochar composite: Competitive and synergistic effects

Author:
Yijun Chen; Qintie Lin; Xiaoqing Wen; Jin He; Haoyu Luo; Quanfa Zhong; Libin Wu; Jiaqi Li
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 14-25
ISSN:
1001-0742
Subject:
adsorption; biochar; endothermy; enthalpy; ion exchange; oxidation; pH; pollution; wastewater; China
Abstract:
... Simultaneous elimination of As(III) and Pb(II) from wastewater is still a great challenge. In this work, an iron-sulfur codoped biochar (Fe/S-BC) was successfully fabricated in a simplified way and was applied to the remediate the co-pollution of As(III) and Pb(II). The positive enthalpy indicated that the adsorption in As-Pb co-pollution was an endothermic reaction. The mechanism of As(III) remov ...
DOI:
10.1016/j.jes.2022.01.023

27. Strategies for improving the photocatalytic performance of metal-organic frameworks for CO2 reduction: A review

Author:
Ke Guo; Ijaz Hussain; Guang′an Jie; Yanghe Fu; Fumin Zhang; Weidong Zhu
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 290-308
ISSN:
1001-0742
Subject:
adsorption; carbon dioxide; greenhouses; ion exchange; light; photocatalysis; photocatalysts; China
Abstract:
... Photocatalytic CO₂ reduction is an appealing strategy for mitigating the environmental effects of greenhouse gases while simultaneously producing valuable carbon-neutral fuels. Numerous attempts have been made to produce effective and efficient photocatalysts for CO₂ reduction. In contrast, the selection of competitive catalysts continues to be a substantial hindrance and a considerable difficulty ...
DOI:
10.1016/j.jes.2022.01.005

28. Synthesis of hierarchical porous carbon with high surface area by chemical activation of (NH4)2C2O4 modified hydrochar for chlorobenzene adsorption

Author:
Jie Wen; Zewei Liu; Hongxia Xi; Bichun Huang
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 123-137
ISSN:
1001-0742
Subject:
Monte Carlo method; X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; carbon; chlorobenzene; desorption; hydrochars; micropores; models; surface area; tobacco; China
Abstract:
... In this work, hydrothermal technique combined with KOH activation were employed to develop a series of porous carbons (NPCK-x) using tobacco stem as a low-cost carbon source and (NH₄)₂C₂O₄ as a novel nitrogen-doping agent. Physicochemical properties of NPCK-x were characterized by Brunauer-Emmett-Teller, field emission scanning electron microscopy, X-ray diffraction, Raman microscope, elemental an ...
DOI:
10.1016/j.jes.2022.04.011

29. -A Sustainable Reuse Strategy of Converting Waste Activated Sludge Into Biochar for Contaminants Removal From Water: Modifications, Applications and Perspectives

Author:
Jinwen Hu; Ling Zhao; Jinming Luo; Huabo Gong; Nanwen Zhu
Source:
Journal of hazardous materials 2022 pp. 129437
ISSN:
0304-3894
Subject:
activated sludge; adsorbents; adsorption; biochar; carbon; catalytic activity; cation exchange; circular economy; organic matter; oxidation; pollution; sewage sludge; solid wastes; surface area; wastewater; wastewater treatment
Abstract:
... Conversion of sewage sludge to biochar for contaminants removal from water achieves the dual purpose of solid waste reuse and pollution elimination, in line with the concept of circular economy and carbon neutrality. However, the current understanding of sludge-derived biochar (SDB) for wastewater treatment is still limited, with a lack of summary regarding the effect of modification on the mechan ...
DOI:
10.1016/j.jhazmat.2022.129437

30. 1-Bromopropane Capture with Hydrophobic Zeolites: Force Field Development and Molecular Simulations

Author:
A. Ozgur Yazaydin
Source:
Journal of physical chemistry 2022 v.126 no.12 pp. 5728-5734
ISSN:
1932-7455
Subject:
United States Environmental Protection Agency; adsorption; environmental protection; human health; hydrophobicity; models; porosity; solvents; zeolites
Abstract:
... 1-Bromopropane is a solvent used in various industrial and commercial applications. United States Environmental Protection Agency recently concluded that 1-bromopropane posed unreasonable risks to human health in several conditions of use. In this work, the adsorption of 1-bromopropane vapors in zeolites was investigated using molecular simulations. First, a united-atom model of 1-bromopropane was ...
DOI:
10.1021/acs.jpcc.2c00086

31. 2-Naphthol Impregnation Prior to Steam Explosion Promotes LPMO-Assisted Enzymatic Saccharification of Spruce and Yields High-Purity Lignin

Author:
Line Degn Hansen; Martin Østensen; Bjørnar Arstad; Roman Tschentscher; Vincent G. H. Eijsink; Svein J. Horn; Anikó Várnai
Source:
ACS sustainable chemistry & engineering 2022 v.10 no.16 pp. 5233-5242
ISSN:
2168-0485
Subject:
2-naphthol; Picea; adsorption; biofuels; biorefining; cellulose; depolymerization; endo-1,4-beta-glucanase; green chemistry; lignin; oils; pyrolysis; saccharification; softwood; storage quality
Abstract:
... The recent discovery that impregnation with a carbocation scavenger may improve the enzymatic saccharification of steam-exploded softwood has brought a softwood-based biorefinery closer to reality. However, the nature of the impregnation effect remains unresolved, and its impact on process efficiency and product quality in high-dry matter reactions remains underexplored. Here, we show that 2-napht ...
DOI:
10.1021/acssuschemeng.2c00286

32. 3D ZnO modified biochar-based hydrogels for removing U(VI) in aqueous solution

Author:
Yu Guo; Xiaoyang Liu; Shuibo Xie; Haiyan Liu; Chenxu Wang; Lingzhi Wang
Source:
Colloids and surfaces 2022 v.642 pp. 128606
ISSN:
0927-7757
Subject:
adsorption; aqueous solutions; biochar; chelation; hydrogels; ion exchange; pH; sorption isotherms; thermal stability; uranium
Abstract:
... A novel three dimensional ZnO modified biochar-based hydrogel (ZBCG) was fabricated and employed for removing U(VI) in aqueous solution. The ZBCG hydrogel, the successful loading of ZnO modified biochar (ZBC) confirmed by SEM and FTIR, has showed a well mechanical characteristics, thermal stability, anti-swelling property and adsorption performance for U(VI) than pure hydrogels (BG). At T = 40 ℃, ...
DOI:
10.1016/j.colsurfa.2022.128606

33. 3D graphene-based adsorbents: Synthesis, proportional analysis and potential applications in oil elimination

Author:
Lee Yi Wong; Sie Yon Lau; Sharadwata Pan; Man Kee Lam
Source:
Chemosphere 2022 v.287 pp. 132129
ISSN:
0045-6535
Subject:
adsorbents; adsorption; graphene; oils; pH; permeability; surface area; temperature; wastewater; water pollution
Abstract:
... The suitability and efficacy of three-dimensional (3D) graphene, including its derivatives, have garnered widespread attention towards the development of novel, sustainable materials with ecological amenability. This is especially relevant towards its utilization as adsorbents of wastewater contaminants, such as heavy metals, dyes, and oil, which could be majorly attributed to its noteworthy physi ...
DOI:
10.1016/j.chemosphere.2021.132129

34. 3D printed geopolymer adsorption sieve for removal of methylene blue and adsorption mechanism

Author:
Haize Jin; Yuhang Zhang; Xingxing Zhang; Min Chang; Cuixia Li; Xuefeng Lu; Qikun Wang
Source:
Colloids and surfaces 2022 v.648 pp. 129235
ISSN:
0927-7757
Subject:
adsorbents; adsorption; density functional theory; hydrogen; ion exchange; liquids; methylene blue; models; polymers; three-dimensional printing
Abstract:
... Geopolymers have high application potential due to their outstanding ion exchange ability. A novel direct ink writing (DIW) geopolymer adsorption sieve (GAS) preparation strategy was proposed. The preparation and optimization of DIW inks and the adsorption properties and mechanism of GAS for methylene blue (MB) were systematically investigated by characterization and density functional theory (DFT ...
DOI:
10.1016/j.colsurfa.2022.129235

35. 3D printing of TiO2 nano particles containing macrostructures for As(III) removal in water

Author:
Dingyi Wang; Tingting Zhi; Lihong Liu; Li Yan; Wei Yan; Yinyin Tang; Bin He; Ligang Hu; Chuanyong Jing; Guibin Jiang
Source:
Science of the total environment 2022 v.815 pp. 152754
ISSN:
0048-9697
Subject:
adsorption; environment; groundwater; three-dimensional printing; titanium dioxide
Abstract:
... Nanomaterials play a crucial role in various areas due to their extraordinary chemical and physical properties. Loading microscopic nanomaterials onto macrostructures is inevitable for their implementation from laboratory experiments to practical applications. Nevertheless, the geometries of conventional supporting structures are usually limited and nanomaterials are easy to be inhomogeneously dis ...
DOI:
10.1016/j.scitotenv.2021.152754

36. 3D printing of cell-laden visible light curable glycol chitosan bioink for bone tissue engineering

Author:
Hyun Kyung Chang; Dae Hyeok Yang; Mi Yeon Ha; Hyun Joo Kim; Chun Ho Kim; Sae Hyun Kim; Jae Won Choi; Heung Jae Chun
Source:
Carbohydrate polymers 2022 v.287 pp. 119328
ISSN:
0144-8617
Subject:
adsorption; biocompatible materials; biopolymers; bone formation; bones; cell proliferation; cell viability; chitosan; hemolysis; irradiation; light; riboflavin; three-dimensional printing; water solubility
Abstract:
... Although chitosan is the second most abundant natural polymer on earth, with a wide range of biomaterial applications, its poor water solubility limits general printing process. We selected water-soluble methacrylated glycol chitosan (MeGC) as an alternative and prepared a MeGC-based MG-63 cell-laden bioink for 3D printing using a visible light curing system. Optimal cell-laden 3D printing of MeGC ...
DOI:
10.1016/j.carbpol.2022.119328

37. 5-Arylidene-1,3-dialkylbarbituric acid derivatives as efficient corrosion inhibitors for carbon steel in molar hydrochloric acid solution

Author:
Khaled M. Abd El-Khalek; Kamal Shalabi; Mohamed A. Ismail; Abd El-Aziz S. Fouda
Source:
RSC advances 2022 v.12 no.17 pp. 10443-10459
ISSN:
2046-2069
Subject:
adsorption; carbon; corrosion; dielectric spectroscopy; electrochemistry; energy-dispersive X-ray analysis; hydrochloric acid; sorption isotherms; steel; temperature; weight loss
Abstract:
... The inhibiting impact of two ecofriendly 5-arylidene barbituric acid derivatives (5-ABA), namely 5-(3,4-dimethoxybenzylidene)-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione (inhibitor I, 3a) and 5-(3,4-dimethoxybenzylidene)-1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione (inhibitor II, 3b), in 1 M HCl on the corrosion of carbon steel has been examined via the weight loss (WL) method, potenti ...
DOI:
10.1039/d2ra00696k

38. A 2D bimetallic Ni–Co hydroxide monolayer cocatalyst for boosting photocatalytic H₂ evolution

Author:
Haiwei Su; Xiaohui Yu; Weikang Wang; Lele Wang; Hua Tang; Qinqin Liu
Source:
Chemical communications 2022 v.58 no.42 pp. 6180-6183
ISSN:
1364-548X
Subject:
adsorption; hydrogen; nanosheets; photocatalysis
Abstract:
... Here, we report two-dimensional (2D) Ni–Co hydroxide monolayers (NiCo-HMs) as a highly active cocatalyst for enhancing the photocatalytic H₂ evolution of 2D g-C₃N₄ nanosheets. The NiCo-HMs can expand the interface of electron migration, promote the separation of photogenerated carriers, provide synergistic Co–Ni active sites, and optimize atomic hydrogen adsorption to improve the kinetics of the c ...
DOI:
10.1039/d2cc01557a

39. A 3-year field study on lead immobilisation in paddy soil by a novel active silicate amendment

Author:
Hanghang Zhao; Jianxin Zhang; Feng Wu; Xunrong Huang; Fuhao Liu; Lu Wang; Xin Zhao; Xiongfei Hu; Pengcheng Gao; Bo Tang; Puhui Ji
Source:
Environmental pollution 2022 v.292 pp. 118325
ISSN:
0269-7491
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; adsorption; cost effectiveness; electrostatic interactions; field experimentation; fly ash; food production; food safety; hot water treatment; human health; ion exchange; lead; microstructure; paddy soils; polluted soils; pollution; remediation; rice; silicates; spectrometers; toxicity
Abstract:
... Lead (Pb) is a toxic metal in industrial production, which can seriously threat to human health and food safety. Thus, it is particularly crucial to reduce the content of Pb in the environment. In this study, raw fly ash (FA) was used to synthesise a new active silicate materials (IM) employing the low-temperature-assisted alkali (NaOH) roasting approach. The IM was further synthesised to form zeo ...
DOI:
10.1016/j.envpol.2021.118325

40. A Bioinspired Iron-Centered Electrocatalyst for Selective Catalytic Reduction of Nitrate to Ammonia

Author:
Wu-Ji Sun; Lan-Xin Li; Hao-Yu Zhang; Jing-Hui He; Jian-Mei Lu
Source:
ACS sustainable chemistry & engineering 2022 v.10 no.18 pp. 5958-5965
ISSN:
2168-0485
Subject:
adsorption; ammonia; atomic force microscopy; catalysts; density functional theory; electric field; electrochemistry; explosives; green chemistry; mass spectrometry; nitrate reductase; nitrates; solubility
Abstract:
... Nitrate has been commonly used in fertilizers, synthetic materials, and explosives; however, its irregular release leads to extensive contaminants in many sources of drinking water because of its high solubility and mobility. Unfortunately, efficient nitrate removal at low concentrations has been challenging for a long time. Inspired by nitrate reductase with iron as the active center in plants, w ...
DOI:
10.1021/acssuschemeng.2c00389

41. A Comparative Analysis of Pore Attributes of Sub-Bituminous Gondwana Coal from the Damodar and Wardha Valleys: Implication for Enhanced Coalbed Methane Recovery

Author:
Debanjan Chandra; Vikram Vishal
Source:
Energy & fuels 2022 v.36 no.12 pp. 6187-6197
ISSN:
1520-5029
Subject:
adsorption; carbon dioxide; clay fraction; coal; coalbed methane; density functional theory; diagenesis; energy; image analysis; kaolinite; models; organic carbon; shale gas; sorption isotherms; surface roughness; India
Abstract:
... With the increasing drive for geological CO₂ sequestration, unconventional resources like shale gas and coalbed methane have gained massive popularity. With a vast resource of bituminous Gondwana coal, India has a good potential for enhanced coalbed methane recovery through CO₂ sequestration. Pore attributes and their interconnectivity play a significant role in determining the gas storage capacit ...
DOI:
10.1021/acs.energyfuels.2c00854

42. A Comparative Assessment on the Recovery of Pectin and Phenolic Fractions from Aqueous and DES Extracts Obtained from Melon Peels

Author:
Xiana Rico; Beatriz Gullón; Remedios Yáñez
Source:
Food and bioprocess technology 2022 v.15 no.6 pp. 1406-1421
ISSN:
1935-5130
Subject:
adsorption; amberlite; antioxidant activity; autohydrolysis; bioprocessing; desorption; ethanol; galacturonic acid; liquids; melons; naringenin; oligosaccharides; pH; pectins; sodium acetate; solvents; urea; water solubility
Abstract:
... This work evaluates the purification of melon peel extracts obtained by two eco-friendly methods: autohydrolysis and sodium acetate/urea/water extraction (1:3:1.6), an alkaline deep eutectic solvent (DES). For that, sequential ethanol precipitation and resin adsorption/desorption stages were proposed for the separate recovery of the pectic and phenolic fractions. In order to screen the optimal pur ...
DOI:
10.1007/s11947-022-02823-2

43. A Comparative Study for Removal of Perfluorooctanoic Acid Using Three Kinds of N-polymer Functionalized Calotropis Gigantea Fiber

Author:
Bihui Niu; Min Yu; Changduo Sun; Luhan Wang; Yanning Niu; Huimin Huang; Yian Zheng
Source:
Journal of natural fibers 2022 v.19 no.6 pp. 2119-2128
ISSN:
1544-046X
Subject:
Calotropis gigantea; adsorbents; adsorption; comparative study; electrostatic interactions; hydrogen bonding; hydrophobic bonding; perfluorocarbons; perfluorooctanoic acid; polyaniline
Abstract:
... Using NaClO₂ pretreated Calotropis gigantea fiber (CGF) as the bio-template, three N-polymer functionalized fibers were fabricated by in-situ growth of polydopamine (PDA), polyaniline (PAN) and poly(m-phenylenediamine) (PmPD) along the fiber. The resulting adsorbents were applied to remove perfluorooctanoic acid (PFOA) from water. The adsorption process reached equilibrium within 3 h, and the maxi ...
DOI:
10.1080/15440478.2020.1798848

44. A Coupling Process of Distillation with Vapor Permeation and Adsorption for Production of Fuel Ethanol: A Comparative Analysis on Energy Consumption

Author:
Jiacheng Wang; Jiaqi Zhang; Zhou Hong; Xuechao Gao; Xuehong Gu
Source:
Industrial & engineering chemistry process design and development 2022 v.61 no.2 pp. 1167-1178
ISSN:
1520-5045
Subject:
adsorption; culture media; distillation; energy efficiency; ethanol; ethanol fuels; permeability; process design; solvents; steam; zeolites
Abstract:
... To efficiently produce fuel ethanol from fermentation broth, the distillation column was coupled with vapor permeation (VP) of a NaA zeolite membrane instead of using the adsorption technique to remove solvent water. The comparative analysis indicated that the energy efficiency was consistently higher for distillation-VP coupling, using a single-column distillation and three-column distillation, r ...
DOI:
10.1021/acs.iecr.1c01978

45. A DFT investigation of hydrogen adsorption and storage properties of Mg decorated IRMOF-16 structure

Author:
Numan Yuksel; Ahmet Kose; M. Ferdi Fellah
Source:
Colloids and surfaces 2022 v.641 pp. 128510
ISSN:
0927-7757
Subject:
adsorbents; adsorption; ambient temperature; density functional theory; electronic sensing; enthalpy; hydrogen
Abstract:
... Herein, the hydrogen storage property of the Mg decorated isoreticular metal organic framework-16 (IRMOF-16) is investigated by Density Functional Theory (DFT) method. The WB97XD hybrid method (including dispersion) was used for hydrogen adsorption on Mg decorated IRMOF-16 structure. It was determined that the adsorption enthalpy for the structure was negative (−4.2 kJ/mol) at room temperature and ...
DOI:
10.1016/j.colsurfa.2022.128510

46. A Facile Composite Strategy to Prepare a Biodegradable Polymer Based Radiopaque Raw Material for “Visualizable” Biomedical Implants

Author:
Qunsong Wang; Xiaoye Yu; Xianmiao Chen; Jingming Gao; Daokun Shi; Yang Shen; Jingyu Tang; Junhao He; Anning Li; Lin Yu; Jiandong Ding
Source:
ACS applied materials & interfaces 2022 v.14 no.21 pp. 24197-24212
ISSN:
1944-8252
Subject:
X-radiation; adsorption; biocompatible materials; biodegradability; biodegradation; commercialization; crystallization; hydrolysis; piglets; polyesters; raw materials; tensile strength; water solubility
Abstract:
... Enabling a biodegradable polymer radiopaque under X-ray is much desired for many medical devices. Physical blending of a present biodegradable polymer and a commercialized medical contrast agent is convenient yet lacks comprehensive fundamental research. Herein, we prepared a biodegradable polymer-based radiopaque raw material by blending poly(l-lactic acid) (PLLA or simply PLA) and iohexol (IHX), ...
DOI:
10.1021/acsami.2c05184

47. A Flexible and Weavable Lignocellulose-Based Photocatalyst Supported by Natural Three-Dimensional Porous Juncus effusus for Highly Efficient Degradation of Environmental Contaminants

Author:
Sijie Zhou; Chunhua Zhang; Liangjun Xia; Zhuan Fu; Na Zhu; Junyao Gong; Xiaofeng Wang; Pei Lyu; Li Li; Weilin Xu
Source:
ACS applied materials & interfaces 2022 v.14 no.24 pp. 27955-27967
ISSN:
1944-8252
Subject:
Juncus effusus; absorption; adsorption; biomass; carbon nitride; cost effectiveness; fabrics; graphene; graphene oxide; lignocellulose; methylene blue; microstructure; nanocomposites; photocatalysts; photolysis; pollution; tetracycline; wastewater treatment
Abstract:
... Lignocellulosic biomass is a potential biotemplate for disposing the burden of the uncontrollable accumulation of environmental contaminants disrupting the hydrophytic ecosystems. Herein, an efficient solar-driven catalyst was prepared using a natural three-dimensional (3D) porous lignocellulose-based Juncus effusus (JE) fiber for wastewater treatment. Owing to the exquisite 3D microstructure and ...
DOI:
10.1021/acsami.2c06207

48. A High-Throughput Imagery Protocol to Predict Functionality upon Fractality of Carbon-Capturing Biointerfaces

Author:
Bruno Rafael de Almeida Moreira; Armando Lopes de Brito Filho; Marcelo Rodrigues Barbosa Júnior; Rouverson Pereira da Silva
Source:
Agronomy 2022 v.12 no.2 pp. -
ISSN:
2073-4395
Subject:
adsorbents; adsorption; agronomy; algorithms; carbon; carbon dioxide; carbon sequestration; composts; fractal dimensions; hydrochars; peanuts; sawdust; sugarcane bagasse; surface quality; topology; wheat straw
Abstract:
... Surface quality is key for any adsorbent to have an effective adsorption. Because analyzing an adsorbent can be costly, we established an imagery protocol to determine adsorption robustly yet simply. To validate our hypothesis of whether stereomicroscopy, superpixel segmentation and fractal theory consist of an exceptional merger for high-throughput predictive analytics, we developed carbon-captur ...
DOI:
10.3390/agronomy12020446

49. A Highly Efficient Adsorbent Based on Starch-Graphene Oxide Architecture for Scavenging Aqueous Pb(II): Isotherms, Kinetics, Thermodynamics and Interaction Mechanism

Author:
Ting Guo; Chaoke Bulin; Bangwen Zhang; Zeyu Ma; Ruiguang Xing; Xin Ge; Yanghuan Zhang; Bo Li
Source:
Journal of polymers and the environment 2022 v.30 no.2 pp. 569-584
ISSN:
1566-2543
Subject:
adsorbents; adsorption; entropy; environment; heat production; heavy metals; industry; models; pollution; starch
Abstract:
... Heavy metal pollution stems from the modern industry is a severe environmental problem. In this work, a highly efficient adsorbent based on starch-graphene oxide architecture (SGO) was fabricated, characterized and employed to scavenge aqueous Pb(II), a major water contaminant. The scavenging performance was evaluated, and the interaction mechanism between SGO and Pb(II) was elucidated. Results in ...
DOI:
10.1007/s10924-021-02227-x

50. A Membrane‐Supported Bifunctional Poly(amidoxime‐ethyleneimine) Network for Enhanced Uranium Extraction from Seawater and Wastewater

Author:
Zia Ahmad; Yun Li; Jiajia Yang; Ningbo Geng; Yun Fan; Xiaoyi Gou; Qingye Sun; Jiping Chen
Source:
Journal of hazardous materials 2022 v.425 pp. 127995
ISSN:
0304-3894
Subject:
adsorption; crosslinking; dissociation; ligands; nuclear power; organic matter; seawater; skeleton; sorbents; toxicology; uranium; uranyl ions; wastewater
Abstract:
... Uranium extraction from natural seawater and wastewater are quintessential requirements to supply uninterrupted carbon-free nuclear energy and to prevent potential radiochemical and toxicological effects, respectively. Owing to the complexity and low-concentration uranium of these water samples, the design and synthesis of sorbent materials for uranium extraction with meaningful efficiencies remai ...
DOI:
10.1016/j.jhazmat.2021.127995