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1. 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:
hot water treatment; water treatment,   etc   ; 2,4-dichlorophenol; absorption; adsorption; density functional theory; energy; light; nanospheres; photocatalysis; photocatalysts; surface area; tetracycline; texture; wastewater; China;     Show all 16 Subjects
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

2. Enhanced cyanogen chloride formation after UV/PS and UV/H2O2 pre-oxidation and chlorination in natural river water

Author:
Jie Xu; Yang Guo; Qian Yang; Xueling Bai; Runhua Lu; Menghui Liu; Zichen Kuang; Luo Zhang; Jing Li
Source:
Journal of environmental sciences (China) 2023 v.126 pp. 48-57
ISSN:
1001-0742
Subject:
water treatment,   etc   ; arginine; chlorides; chlorination; chlorine; cyanogen; histidine; hydrogen peroxide; oxidation; river water; uric acid; China;     Show all 12 Subjects
Abstract:
... Ultraviolet/persulfate (UV/PS) and Ultraviolet/hydrogen peroxide (UV/H₂O₂) have attracted much attention in recent years as advanced oxidation processes for water treatment. However, it is not all clear how these two methods affect the formation of cyanogen chloride (CNCl) in the subsequent water chlorination process. In this study, it was found that both UV/H₂O₂ and UV/PS pre-oxidation promoted t ...
DOI:
10.1016/j.jes.2022.03.049

3. 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:
hot water treatment,   etc   ; adsorption; antibiotics; electrical conductivity; enrofloxacin; hydrophilicity; new family; photocatalysis; sodium; synergism; temperature; China;     Show all 12 Subjects
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

4. Hotspots and trends of biological water treatment based on bibliometric review and patents analysis

Author:
Lili Jin; Xiangzhou Sun; Hongqiang Ren; Hui Huang
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 774-785
ISSN:
1001-0742
Subject:
water treatment,   etc   ; Japan; activated sludge; biodegradation; biological treatment; biotransformation; databases; metrology; nitrogen; phosphorus; toxicity; wastewater; water reuse; China;     Show all 14 Subjects
Abstract:
... In order to reveal the hotspots and trends of biological water treatment from the perspectives of scientific and technological innovation, both of the bibliometric review and patents analysis were performed in this study. The Web of Science Core Collection database and Derwent Innovation Index database recorded 30023 SCI papers and 50326 patents, respectively were analyzed via information visualiz ...
DOI:
10.1016/j.jes.2022.03.037

5. Potential of MXene-based membranes in water treatment and desalination: A critical review

Author:
Ihsanullah Ihsanullah; Muhammad Bilal
Source:
Chemosphere 2022 v.303 pp. 135234
ISSN:
0045-6535
Subject:
water treatment,   etc   ; desalination; oils;     Show all 3 Subjects
Abstract:
... MXenes have emerged as wonderful materials that earned enormous attention in the last decade for applications in various fields. The potential of MXenes in the development of novel membranes has been explored recently by many researchers. This review critically assessed the recent advances in applications of MXene-based materials for the development of novel membranes. The synthesis routes of the ...
DOI:
10.1016/j.chemosphere.2022.135234

6. Fe/Co redox and surficial hydroxyl potentiation in the FeCo2O4 enhanced Co3O4/persulfate process for TC degradation

Author:
Tong Zhu; Jinping Jiang; Jisheng Wang; Zhening Zhang; Jiao Zhang; Jing Chang
Source:
Journal of environmental management 2022 v.313 pp. 114855
ISSN:
0301-4797
Subject:
hot water treatment; water treatment,   etc   ; adsorption; aqueous solutions; catalysts; magnetism; mineralization; nanocomposites; phosphates; sulfates; tetracycline; toxicity;     Show all 12 Subjects
Abstract:
... A magnetic FeCo₂O₄/Co₃O₄ nanocomposite was successfully synthesized by a facile hydrothermal method as an efficient activator for persulfate (PS) activation to degrade tetracycline (TC) in an aqueous solution. TC removal and mineralization efficiencies reached up to 91.63% and 43.57% in 120 min in the FCC-3/PS system, respectively. The mixed-valence of Fe/Co in the nanocomposite catalyst was benef ...
DOI:
10.1016/j.jenvman.2022.114855

7. Constructing MoSe2/MoS2 and MoS2/MoSe2 inner and outer-interchangeable flower-like heterojunctions: a combined strategy of interface polarization and morphology configuration to optimize microwave absorption performance

Author:
Abdou Karim Darboe; Xiaosi Qi; Xiu Gong; Qiong Peng; Yanli Chen; Ren Xie; Wei Zhong; Guanglei Wu
Source:
Journal of colloid and interface science 2022 pp. -
ISSN:
0021-9797
Subject:
hot water treatment,   etc   ; absorption; nanosheets;     Show all 3 Subjects
Abstract:
... Interfacial polarization and geometrical morphology play a significant role in the attenuation of electromagnetic (EM) wave. Herein, the two-dimensional (2D)/2D heterojunction with flower-like geometrical morphology is proposed and produced, which may simultaneously provide a large contact area for achieving strong interfacial polarization and activates more sites for the possible multiple EM wave ...
DOI:
10.1016/j.jcis.2022.05.078

8. In-situ growth of manganese oxide on self-assembled 3D- magnesium hydroxide coated on polyurethane: Catalytic oxidation mechanism and application for Mn(II) removal

Author:
Seok Byum Jang; Choe Earn Choong; Saravanan Pichiah; Jae young Choi; Yeomin Yoon; Eun Ha Choi; Min Jang
Source:
Journal of hazardous materials 2022 v.424 pp. 127267
ISSN:
0304-3894
Subject:
hot water treatment; water treatment,   etc   ; adsorption; ion exchange; magnesium hydroxide; manganese monoxide; oxidation; pH; polyurethanes; sorption isotherms;     Show all 10 Subjects
Abstract:
... Novel integration of adsorption followed by catalytic oxidation is expected to be more beneficial for higher Mn(II) removal performance. We prepared self-assembled 3D flower-like Mg(OH)₂ coated on granular-sized polyurethane (namely FMHP) via hydrothermal method at 120 °C under a facile synthesis route. The optimized material, FMHP prepared with 7 g MgO and 20 g polyurethane (FMH₀.₃₅P), achieved u ...
DOI:
10.1016/j.jhazmat.2021.127267

9. Bioremediation and decontamination potentials of metallic nanoparticles loaded nanohybrid matrices – A review

Author:
Gaurav Chauhan; Reyna Berenice González-González; Hafiz M.N. Iqbal
Source:
Environmental research 2022 v.204 pp. 112407
ISSN:
0013-9351
Subject:
water treatment,   etc   ; bioremediation; decontamination; nanohybrids; research;     Show all 5 Subjects
Abstract:
... The current nanotechnological advancements provide an astonishing insight to fabricate nanomaterials for nano-bioremediation purposes. Exciting characteristics possessed by hybrid matrices at the nanoscale knock endless opportunities to nano-remediate environmentally-related pollunanomaterials tants of emerging concern. Nanometals are considered among the oldest generation of the world has ever no ...
DOI:
10.1016/j.envres.2021.112407

10. Density stratification and double-diffusive convection in mine pools of flooded underground mines – A review

Author:
Elke Mugova; Christian Wolkersdorfer
Source:
Water research 2022 v.214 pp. 118033
ISSN:
0043-1354
Subject:
water treatment,   etc   ; convection; hydrodynamics; mineralization; research;     Show all 5 Subjects
Abstract:
... Layering of water bodies with different physico-chemical properties is called stratification. This physical effect is known from lakes or oceans but also occurs in flooded underground mines and has been studied in the past. This review gives a summary of their investigation methods, flow dynamics, stratification development and breakdown. Furthermore, the barrier effect of stratification is discus ...
DOI:
10.1016/j.watres.2021.118033

11. Gravity-driven layered double hydroxide nanosheet membrane activated peroxymonosulfate system for micropollutant degradation

Author:
Muhammad Bilal Asif; Hongyu Kang; Zhenghua Zhang
Source:
Journal of hazardous materials 2022 v.425 pp. 127988
ISSN:
0304-3894
Subject:
water treatment,   etc   ; catalysts; gravity; nanosheets; pH; pollutants;     Show all 6 Subjects
Abstract:
... For the first time in this study, CoAl-layered double hydroxide nanosheet membrane (LDHₘ) with abundant active sites was fabricated for peroxymonosulfate (PMS) activation with the mindset to catalytically degrade micropollutants. Depending on the catalyst loading, the developed LDHₘ can be driven under gravity at a permeate flux of approximately 80 L/m² h and 210 L/m² h at LDH loading of 0.80 mg/c ...
DOI:
10.1016/j.jhazmat.2021.127988

12. Hydrothermal synthesis of water-soluble Mn- and Cu-doped CdSe quantum dots with multi-shell structures and their photoluminescence properties

Author:
Hisaaki Nishimura; Kazushi Enomoto; Yong-Jin Pu; DaeGwi Kim
Source:
RSC advances 2022 v.12 no.10 pp. 6255-6264
ISSN:
2046-2069
Subject:
hot water treatment,   etc   ; photoluminescence; semiconductors; water solubility;     Show all 4 Subjects
Abstract:
... Optical properties of semiconductor quantum dots (QDs) can be tuned by doping with transition metal ions. In this study, water-soluble CdSe/ZnS:Mn/ZnS QDs with the core/shell/shell structure were synthesized through a hydrothermal method, in which the surface of the CdSe core was coated with a ZnS:Mn shell and ZnS capping shell. Herein, the CdSe core QDs were prepared first and then doped with Mn² ...
DOI:
10.1039/d1ra08491g

13. Magnetic modulation of core@shell MoS2-based flower-like multicomponent nanocomposites to improve microwave attenuation

Author:
Yongchao Rao; Lin Long; Tao Jing; Xiaosi Qi; Qiong Peng; Xiu Gong; Yanli Chen; Ren Xie; Wei Zhong; Youwei Du
Source:
Journal of colloid and interface science 2022 v.608 pp. 2387-2398
ISSN:
0021-9797
Subject:
hot water treatment,   etc   ; absorption; hydrogen; magnetism; nanocomposites;     Show all 5 Subjects
Abstract:
... Nanocomposites with a three-dimensional (3D) flower-like geometrical morphology were considered as excellent microwave absorbers (MAs) because of the numerous effective sites for the multiple reflections of electromagnetic (EM) wave. Herein, for optimizing the EM matching characteristic and taking full advantage of interface polarization, a strategy of magnetic modulation was proposed to further i ...
DOI:
10.1016/j.jcis.2021.10.138

14. Synthesis and electrochemical characteristics of flower-like Ca-doped Li4Ti5O12 as anode material for lithium-ion batteries

Author:
Yuhao Ma; Yangyang Wang; Guilin Yan; Fei Yuan; Wentao Zhang
Source:
Powder technology 2022 v.407 pp. 117652
ISSN:
0032-5910
Subject:
hot water treatment,   etc   ; anodes; calcium; electrochemistry; nanosheets;     Show all 5 Subjects
Abstract:
... The Ca-doped Li₄Ti₅O₁₂ (LTO-CA) samples with flower-like morphology, were synthesized by a hydrothermal method and used as anode material for lithium-ion batteries. The results showed that Ca²⁺ ions were successfully introduced into the structure of LTO, and the flower-like morphology was assembled from a large number of nanosheets. The influence of Ca²⁺ doping on structure and electrochemical per ...
DOI:
10.1016/j.powtec.2022.117652

15. A review on zinc oxide/poly(vinyl alcohol) nanocomposites: Synthesis, characterization and applications

Author:
Saeid Asadpour; Ahmad Raeisi vanani; Masoumeh Kooravand; Arash Asfaram
Source:
Journal of cleaner production 2022 v.362 pp. 132297
ISSN:
0959-6526
Subject:
water treatment,   etc   ; carbon; energy; nanocomposites; synergism; zinc oxide;     Show all 6 Subjects
Abstract:
... Zinc oxide/poly(vinyl alcohol) nanocomposite (ZnO/PVA) has unique structural and functional properties, leading to excellent potential in many electrical, optical, water treatment, and medical fields. According to the broad applications of this composite in different sciences, a comprehensive study of its various aspects is necessary. Based on our knowledge, no complete research has yet been carri ...
DOI:
10.1016/j.jclepro.2022.132297

16. Direct contact membrane distillation as an approach for water treatment with phenolic compounds

Author:
Ramatisa L. Ramos; Yuri A.R. Lebron; Victor R. Moreira; Mateus F. Martins; Lucilaine V.S. Santos; Miriam C.S. Amaral
Source:
Journal of environmental management 2022 v.303 pp. 114117
ISSN:
0301-4797
Subject:
water treatment,   etc   ; distillation; environmental management; surface water; temperature;     Show all 5 Subjects
Abstract:
... Membrane distillation is a well-established technology for non-volatile components retention, but the removal of volatile and semi-volatile substances in trace concentration, such as phenols derivates commonly found in surface waters, requires further comprehension. In this context, the direct contact membrane distillation (DCMD) performance was assessed for the retention of fifteen phenolic compo ...
DOI:
10.1016/j.jenvman.2021.114117

17. New insight into enhanced photocatalytic selectivity of g-C3N4 by nitrogen vacancy introduction: Experimental study and theoretical calculation

Author:
Li Xueyan; Wang Guanlong; Lan Chenrui; Dong Xiaoli; Zhang Xiufang
Source:
Environmental research 2022 v.212 pp. 113390
ISSN:
0013-9351
Subject:
water treatment,   etc   ; adsorption; nitrogen; photocatalysis; photocatalysts; pollutants; research;     Show all 7 Subjects
Abstract:
... Constructing photocatalyst with both high efficiency and selectivity is highly desired in water treatment process. However, it is difficult to realize the selectivity of photocatalysis due to the non-selective oxidative species produced in this process. Herein, for the first time, the photocatalytic selectivity was achieved on g-C₃N₄ (CN) through N vacancy introduction for effective removal of org ...
DOI:
10.1016/j.envres.2022.113390

18. Towards high adsorption performance and cycling stability for spinel lithium ion-sieve H1.6Mn1.6O4 by coating Li2ZrO3 and doping Zr

Author:
Yuanyuan Wang; Xiyun Yang; Lingyu Gao; Yulou Wu; Yingli Chen
Source:
Colloids and surfaces 2022 v.638 pp. 128283
ISSN:
0927-7757
Subject:
hot water treatment,   etc   ; adsorption; lithium; salt lakes; synergism;     Show all 5 Subjects
Abstract:
... A series of precursors Li₁.₆Zr₀.₀₄Mn₁.₅₆O₄, Li₂ZrO₃-coated Li₁.₆Zr₀.₀₄Mn₁.₅₆O₄ and Li₁.₆Mn₁.₆O₄ were successfully synthesized via simple hydrothermal treatment following roasting. Lithium ion-sieve was achieved by acid pickling the as-prepared precursors. The precursor itself dissolution during acid pickling was greatly inhibited after Li₂ZrO₃ coating. The substitution of Zr for Mn forms a strong ...
DOI:
10.1016/j.colsurfa.2022.128283

19. Ultrasensitive flower-like TiO₂/Ag substrate for SERS detection of pigments and melamine

Author:
Weiye Yang; Quanhong Ou; Chenyan Li; Mingming Cheng; Weijun Li; Yingkai Liu
Source:
RSC advances 2022 v.12 no.12 pp. 6958-6965
ISSN:
2046-2069
Subject:
hot water treatment,   etc   ; detection limit; evaporation; melamine; nanosilver;     Show all 5 Subjects
Abstract:
... TiO₂ flower like nanomaterials (FLNMs) are fabricated via a hydrothermal method and Ag nanoparticles (NPs) are deposited via electron beam evaporation. Several biological pigments (CV, R6G and RhB) are selected as target molecules to investigate their surface enhanced Raman scattering (SERS) property. The results demonstrate ultrasensitivity and high reproducibility. They reveal that the limit of ...
DOI:
10.1039/d1ra08128d

20. Aggregation, settling characteristics and destabilization mechanisms of nano-particles under different conditions

Author:
Ruyuan Jiao; Hongyan Sun; Shengming Xu; Yi He; Hui Xu; Dongsheng Wang
Source:
Science of the total environment 2022 v.827 pp. 154228
ISSN:
0048-9697
Subject:
water treatment,   etc   ; environment; flocculation; particle size; surface water; toxicity;     Show all 6 Subjects
Abstract:
... An abundance of nano-particles have been exposed to water environment. Owing to the particle size effects, nano-particles are inclined to absorb harmful substances and increase their levels of toxicity. In this study, the existence state, aggregation and settlement characteristics of nano-particles in the natural water are studied. Influenced by the structural layer repulsion, nano-particles have ...
DOI:
10.1016/j.scitotenv.2022.154228