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Tang L, Gao W, Lu Y, Tabelin CB, Liu J, Li H, Yang W, Tang C, Feng X, Jiang J, Xue S. The formation of multi-metal(loid)s contaminated groundwater at smelting site: Critical role of natural colloids. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134408. [PMID: 38678716 DOI: 10.1016/j.jhazmat.2024.134408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/22/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
The occurrence and migration of colloids at smelting sites are crucial for the formation of multi-metal(loid)s pollution in groundwater. In this study, the behavior of natural colloids (1 nm-0.45 µm) at an abandoned smelting site was investigated by analyzing groundwater samples filtered through progressively decreasing pore sizes. Smelting activities in this site had negatively impacted the groundwater quality, leading to elevated concentrations of zinc (Zn), lead (Pb), arsenic (As), and cadmium (Cd). The results showed that heavy metal(loid)-bearing colloids were ubiquitous in the groundwater with the larger colloidal fractions (∼75 -450 nm) containing higher abundances of pollutants. It was also observed that the predominant colloids consisted of Zn-Al layered double hydroxide (LDH), sphalerite, kaolinite, and hematite. By employing multiple analytical techniques, including leaching experiments, soil colloid characterization, and Pb stable isotope measurements, the origin of groundwater colloids was successfully traced to the topsoil colloids. Most notably, our findings highlighted the increased risk of heavy metal(loid)s migration from polluted soils into adjacent sites through the groundwater because of colloid-mediated transport of contaminants. This field-scale investigation provides valuable insights into the geochemical processes governing heavy metal(loid) behavior as well as offering pollution remediation strategies specifically tailored for contaminated groundwater.
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Affiliation(s)
- Lu Tang
- School of Metallurgy and Environment, Central South University, Hunan 410083, China
| | - Wenyan Gao
- School of Metallurgy and Environment, Central South University, Hunan 410083, China
| | - Yongping Lu
- China Railway Seventh Bureau Group Nanjing Engineering Co. Ltd., Nanjing 210012, China
| | - Carlito Baltazar Tabelin
- Department of Materials and Resources Engineering and Technology, College of Engineering, Mindanao State University-Iligan Institute of Technology, Iligan City 9200, Philippines
| | - Jie Liu
- School of Metallurgy and Environment, Central South University, Hunan 410083, China
| | - Haifeng Li
- China Railway Seventh Bureau Group Nanjing Engineering Co. Ltd., Nanjing 210012, China
| | - Weichun Yang
- School of Metallurgy and Environment, Central South University, Hunan 410083, China
| | - Chongjian Tang
- School of Metallurgy and Environment, Central South University, Hunan 410083, China
| | - Xiang Feng
- Henan Academy of Geology, Henan 450001, China
| | - Jun Jiang
- School of Metallurgy and Environment, Central South University, Hunan 410083, China
| | - Shengguo Xue
- School of Metallurgy and Environment, Central South University, Hunan 410083, China.
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Kandel DR, Poudel MB, Radoor S, Chang S, Lee J. Decoration of dandelion-like manganese-doped iron oxide microflowers on plasma-treated biochar for alleviation of heavy metal pollution in water. CHEMOSPHERE 2024; 357:141757. [PMID: 38583537 DOI: 10.1016/j.chemosphere.2024.141757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/05/2024] [Accepted: 03/17/2024] [Indexed: 04/09/2024]
Abstract
Carbon-based biowaste incorporated with inorganic oxides as a composite is an enticing option to mitigate heavy metal pollution in water resources due to its more economical and efficient performance. With this in mind, we constructed manganese-doped iron oxide microflowers resembling the dandelion-like structure on the surface of cold plasma-treated carbonized rice husk (MnFe2O3/PCRH). The prepared composite exhibited 45% and 19% higher removal rates for Cu2+ and Cd2+, respectively than the pristine CRH. The MnFe2O3/PCRH composite was characterized using XRD, FTIR, FESEM, EDX, HR-TEM, XPS, BET, TGA, and zeta potential, while the adsorption capacities were investigated as a function of pH, time, and initial concentration in batch trials. As for the kinetics, the pseudo-second-order was the rate-limiting over the pseudo-first-order and Elovich model, demonstrating that the chemisorption process governed the adsorption of Cu2+ and Cd2+. Additionally, the maximum adsorption capacities of the MnFe2O3/PCRH were found to be 122.8 and 102.5 mg/g for Cu2+ and Cd2+, respectively. Based on thorough examinations by FESEM-EDS, FTIR, and XPS, the possible mechanisms for the adsorption can be ascribed to surface complexation by oxygen-containing groups, a dissolution-precipitation of the ions with -OH groups, electrostatic attraction between metal ions and the adsorbent's partially charged surface, coordination of Cu2+ and Cd2+ with π electrons by aromatic/graphitic carbon in the MnFe2O3/PCRH, and pore filling and diffusion. Lastly, the adsorption efficiencies were maintained at about 70% of its initial adsorption even after five adsorption-desorption cycles, displaying its remarkable stability and reusability.
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Affiliation(s)
- Dharma Raj Kandel
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Milan Babu Poudel
- Department of Convergence Technology Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Sabarish Radoor
- Department of Polymer-Nano Science and Technology, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Seungwon Chang
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Jaewoo Lee
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea; Department of Polymer-Nano Science and Technology, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea; Department of JBNU-KIST Industry-Academia Convergence Research, Polymer Materials Fusion Research Center, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea.
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Song X, Meng Y, Zhou X, Cheng K, Liang Y, Yang Z. Red mud accommodated mesoporous black TiO 2 framework with enhanced organic pollutant photodegradation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:8689-8702. [PMID: 38180661 DOI: 10.1007/s11356-023-31666-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 12/18/2023] [Indexed: 01/06/2024]
Abstract
In this work, black TiO2 (BTiO2) loaded on black red mud (BRM) was successfully prepared with the conversion of Fe2O3 into magnetic Fe3O4 in red mud and the reduction of partial Ti4+ to Ti3+ in TiO2 via the facile sol-gel method and H2 reduction treatment. The obtained low-cost BRM/BTiO2 composites exhibit remarkable photocatalytic degradation toward rhodamine B (91.2%) and tetracycline (83.6%) under visible light irradiation, much better than pristine TiO2. This enhancement is attributed to the narrow bandgap with the desired solar-light excitation, the black color with good solar-light absorption, and the heterojunctions with the efficient separation of photogenerated electron-hole pairs. Moreover, the desired magnetic separation of BRM/BTiO2 composites realizes the recycle and recovery of photocatalysts, favoring practical applications in environment. This work provides a cost-efficiency way to prepare RM-supported TiO2 composites for treating organic pollutants in the wastewater, which is of great significance to the comprehensive utilization of RM waste, the cost saving of the photocatalyst, and the visible-light active enhancement of TiO2.
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Affiliation(s)
- Xiaojie Song
- Faculty of Materials Science and Chemistry, Engineering Research Center of Nano-Geomaterials, Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Ying Meng
- Faculty of Materials Science and Chemistry, Engineering Research Center of Nano-Geomaterials, Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Xin Zhou
- Faculty of Materials Science and Chemistry, Engineering Research Center of Nano-Geomaterials, Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Kang Cheng
- Faculty of Materials Science and Chemistry, Engineering Research Center of Nano-Geomaterials, Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Yu Liang
- Faculty of Materials Science and Chemistry, Engineering Research Center of Nano-Geomaterials, Ministry of Education, China University of Geosciences, Wuhan, 430074, China
| | - Zhihong Yang
- Faculty of Materials Science and Chemistry, Engineering Research Center of Nano-Geomaterials, Ministry of Education, China University of Geosciences, Wuhan, 430074, China.
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Jiang Y, Shen Z, Tang CS, Shi B. Synthesis and application of waste-based layered double hydroxide: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166245. [PMID: 37579803 DOI: 10.1016/j.scitotenv.2023.166245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 07/23/2023] [Accepted: 08/10/2023] [Indexed: 08/16/2023]
Abstract
The synthesis of layered double hydroxide (LDH) from industrial wastes is a sustainable approach to aid circular economy and hazardous material disposal. In this review, the researches on the synthesis and application of waste-based LDH from 2010 to 2023 are summarized and discussed. At present, there are mainly four types of waste-based LDH produced from red mud, slag, fly ash and wastewater, with co-precipitation being the most typical synthesis method. Red mud is used as the trivalent metal source supplemented by chemical reagents or other types of waste as divalent metal source to produce red mud-based LDH. Slag can act as the sole metal source providing both divalent and trivalent metal sources for slag-based LDH. Fly ash was used either as the trivalent metal source or both divalent and trivalent metal sources to produce fly ash-based LDH. Wastewater-based LDH was typically synthesized by in-situ co-precipitation method to achieve the self-purification of wastewater. The impurities in waste-based LDH can act as a two-edged weapon. It may either hinder or promote the performance of waste-based LDH. The challenge in the synthesis of waste-based LDH lies in the efficient extraction of available metals. The future research prospects for waste-based LDH are suggested.
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Affiliation(s)
- Yimei Jiang
- School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Zhengtao Shen
- School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China.
| | - Chao-Sheng Tang
- School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
| | - Bin Shi
- School of Earth Sciences and Engineering, Nanjing University, Nanjing 210023, China
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Li Q, Wei G, Duan G, Zhang L, Li Z, Yan F. Valorization of ball-milled waste red mud into heterogeneous catalyst as effective peroxymonosulfate activator for tetracycline hydrochloride degradation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 324:116301. [PMID: 36179468 DOI: 10.1016/j.jenvman.2022.116301] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/25/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
Red mud (RM), a kind of iron-rich industrial waste produced in the alumina production process, can be utilized as a potential iron-based material for the removal of refractory organic pollutants from wastewater in advanced oxidation processes (AOPs). In this work, high-iron RM (rich in iron) was activated in a ball mill and applied as an effective activator of peroxymonosulfate (PMS) for tetracycline hydrochloride (TC-HCl) degradation. Compared with that of unmilled RM (69.7%), the TC-HCl decomposition ratios of ball-milled RM (BM-RM) (72.2%-92.0%) were all improved in the presence of PMS. Systematic characterization suggested that ball milling could optimize the physicochemical properties of RM, such as increased surface area, increased oxygen vacancies, enhanced electrical conductivity, and increased exposure of Fe(II) sites, all of which could effectively improve RM for PMS activation to degrade TC-HCl. The quenching experiments and electron paramagnetic resonance technique revealed that 1O2 and SO4·- contributed dominantly to the TC-HCl degradation. Ultra performance liquid chromatography mass spectrometry analysis combined with density functional theory calculation revealed that the degradation pathways of TC-HCl were driven by hydroxylation, N-demethylation and dehydration in BM-RM/PMS system. Based on quantitative structure-activity relationship prediction using the Toxicity Estimation Software Tool software, the toxicity of almost all intermediates was significantly reduced. An obvious inhibition effect on TC-HCl was occurred in the presence of Cl-, whereas the presences of NO3- and SO42- had little effect. However, HCO3- improved TC-HCl removal efficiency. BM-RM had a wide working pH range (pH = 3-11) and showed good stability and reusability in use. Overall, this work not only offers a simple and promising approach to improve the catalytic activity of RM, but also opens new insights into the ball-milled RM as an effective PMS activator for wastewater treatment.
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Affiliation(s)
- Qingyong Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China; School of Environmental Science and Engineering, Guangdong University of Petrochemical Technology, Maoming, Guangdong, 525000, China
| | - Guangtao Wei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China; Guangxi Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Guangxi Zhuang Autonomous Region, Nanning, 530004, PR China.
| | - Guangxiang Duan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Linye Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China; Guangxi Key Laboratory of Bio-refinery, Guangxi Zhuang Autonomous Region, Nanning, 530007, PR China.
| | - Zhongmin Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Feng Yan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
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Wang K, Dou Z, Liu Y, Li X, Lv G, Zhang TA. Summary of research progress on separation and extraction of valuable metals from Bayer red mud. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:89834-89852. [PMID: 36357761 DOI: 10.1007/s11356-022-23837-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Bayer red mud is a strong alkaline solid waste discharged during alumina production. Due to large emissions and strong alkalinity, red mud is now mostly dammed or buried, which not only occupies huge land but also contaminates the surrounding ecosystem, causing the risk of collapse and landslide. In addition to its overall utilization in building materials, agriculture, the environment, and the chemical industry, red mud also contains valuable metals such as sodium, aluminum, iron, titanium, and scandium and is considered to be an important secondary resource. In this paper, the physicochemical properties and hazards of red mud are first introduced, and then, the overall utilization of red mud is summarized. Then, the latest research progress on the separation and extraction of valuable metals from red mud is reviewed in detail and a new comprehensive utilization method is recommended and evaluated. This paper also provides suggestions for the future development direction of the comprehensive utilization technology of red mud.
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Affiliation(s)
- Kun Wang
- Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education, School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China
| | - Zhihe Dou
- Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education, School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China.
| | - Yan Liu
- Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education, School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China
| | - Xiaofei Li
- Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education, School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China
| | - Guozhi Lv
- Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education, School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China
| | - Ting-An Zhang
- Key Laboratory of Ecological Metallurgy of Multi-Metal Intergrown Ores of Ministry of Education, School of Metallurgy, Northeastern University, Shenyang 110819, Liaoning, China
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7
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Ba J, Wei G, Zhang L, Li Q, Li Z, Chen J. Preparation and application of a new Fenton-like catalyst from red mud for degradation of sulfamethoxazole. ENVIRONMENTAL TECHNOLOGY 2022; 43:2922-2933. [PMID: 33769220 DOI: 10.1080/09593330.2021.1909659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 03/19/2021] [Indexed: 06/12/2023]
Abstract
In this work, using molasses wastewater as a partial acidifying agent and bagasse pith as a pore-enlarging agent, a new low-cost Fenton-like catalyst (ACRMbp) used for degradation of sulfamethoxazole was prepared through a simple process of acidification and calcination using red mud (RM) as the main material. The optimum preparation conditions of ACRMbp were acquired, and the optimum preparation conditions of ACRMbp were as follows: mass ratio of bagasse pith to RM (mbp:mRM) 0.033:1, particle size of bagasse pith 0.10-0.20 mm, calcination temperature 773 K, and calcination time 2 h. The ACRMbp catalyst was characterized by XRD, SEM, EDS, and BET. According to the results of characterizations, it was found that the iron phase of ACRMbp had completely transformed into α-Fe2O3 after the process of acidification and calcination, and the addition of bagasse pith significantly improved the surface area of the prepared ACRMbp. Furthermore, under the reaction conditions of catalyst dosage of 2 g/L, initial pH 3 and reaction time 90 min, the ACRMbp has showed the highest catalytic activity. ACRMbp had significantly higher activity than red mud, and exhibited a remarkable settleability. Besides, ACRMbp retained good recyclability and stability during use. Kinetic studies showed the degradation process could be described with the first-order model. Overall, the prepared ACRMbp was an effective and excellent catalyst in the Fenton-like process.
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Affiliation(s)
- Jinshuai Ba
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, People's Republic of China
- Guangxi Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Nanning, People's Republic of China
| | - Guangtao Wei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, People's Republic of China
- Guangxi Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Nanning, People's Republic of China
| | - Linye Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, People's Republic of China
- Guangxi Key Laboratory of Bio-Refinery, Nanning, People's Republic of China
| | - Qingyong Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, People's Republic of China
| | - Zhongmin Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, People's Republic of China
| | - Jiayi Chen
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, People's Republic of China
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Li Q, Wei G, Duan G, Zhang L, Li Z, Wei Z, Zhou Q, Pei R. Photocatalysis activation of peroxydisulfate over oxygen vacancies-rich mixed metal oxide derived from red mud-based layered double hydroxide for ciprofloxacin degradation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120733] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Gautam RK, Singh AK, Tiwari I. Nanoscale layered double hydroxide modified hybrid nanomaterials for wastewater treatment: A review. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118505] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Study on the Tribological Properties of F-T DS/ZnFe-LDH Composite Lubricating Material. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12020599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
The homemade soot capture device was used to burn Fischer-Tropsch synthetic diesel (F-T diesel) in order to simulate the combustion of F-T diesel in the engine and collect its soot (F-T DS, FS). The zinc-iron hydrotalcite (ZnFe-LDH) and the composite materials of FS and ZnFe-LDH (F-T DS/ZnFe-LDH, FS/ZnFe-LDH) were prepared by hydrothermal synthesis, and the similarities and differences in tribological characteristics of the above three lubricating materials such as 10# white oil (10# WO) lubricant additives were investigated. FS is an aggregation composed of amorphous carbon and graphite microcrystals. ZnFe-LDH is mainly composed of nanosheets, Zn, and Fe hydroxide particles, with a high degree of crystallization, while FS/ZnFe-LDH is a “sandwich layer” composed of nanosheets and soot particles. Because of the addition of cetyltrimethylammonium bromide and the grafting of a long carbon chain lipophilic group in the preparation process, FS/ZnFe-LDH has better anti-wear properties than the FS and ZnFe-LDH Effect. When FS/ZnFe-LDH is added at 0.2 wt.%, the average friction coefficient (AFC) and average wears scar diameter (AWSD) are at their lowest. Compared with pure 10# WO, the minimum values of AFC and AWSD have dropped by 36.84% and 22.58%, respectively. XPS analysis of the wear scar surface shows that when ZnFe-LDH and FS/ZnFe-LDH are used as lubricating additives of 10# WO, together with the organic matter in the white oil and the iron element in the friction pair, tribochemistry occurs under the combined action of the adsorption force and the tribochemical reaction, a friction protection film containing four elements of C, O, Fe, and Zn is formed on the surface of the wear scar, which effectively reduces the wear and reduces the friction coefficient.
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Sadeghi Rad T, Khataee A, Arefi-Oskoui S, Sadeghi Rad S, Orooji Y, Gengec E, Kobya M. Graphene-based ZnCr layered double hydroxide nanocomposites as bactericidal agents with high sonophotocatalytic performances for degradation of rifampicin. CHEMOSPHERE 2022; 286:131740. [PMID: 34352538 DOI: 10.1016/j.chemosphere.2021.131740] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 07/16/2021] [Accepted: 07/29/2021] [Indexed: 06/13/2023]
Abstract
Herein, ZnCr layered double hydroxide (ZnCr LDH), and its nanocomposites with GO and rGO were synthesized using the co-precipitation method. The samples were characterized using XRD, FT-IR, SEM, TEM, BET, and XPS techniques. The sonophotocatalytic activity of the ZnCr LDH, ZnCr LDH/GO, and ZnCr LDH/rGO was investigated via the degradation of rifampicin (RIF) in the ultrasonic bath under visible light irradiation. The synergy index of more than 1 determined for ZnCr LDH/rGO indicated the positive interaction of sonocatalysis and photocatalysis resulted by hybridizing the LDH nanosheets with rGO. The maximum sonophotocatalytic degradation efficiency of 87.3% was achieved in the presence of ZnCr LDH/rGO nanocomposite with the concentration of 1.5 g L-1 for degradation of RIF with an initial concentration of 15 mg L-1 within 60 min sonication under visible light irradiation. The addition of different scavengers indicated that hydroxyl radicals, superoxide anion radicals, and the generated holes played a dominant role in the degradation of the pollutant molecules. A possible degradation mechanism was suggested based on the intermediates. The antibacterial tests confirmed the higher antibacterial activity of ZnCr LDH/GO compared with ZnCr LDH and ZnCr LDH/rGO against Gram-positive Staphylococcus aureus.
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Affiliation(s)
- Tannaz Sadeghi Rad
- Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey
| | - Alireza Khataee
- Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey; Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran.
| | - Samira Arefi-Oskoui
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Samin Sadeghi Rad
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran
| | - Yasin Orooji
- College of Materials Science and Engineering, Nanjing Forestry University, No. 159, Longpan Road, Nanjing, 210037, Jiangsu, People's Republic of China
| | - Erhan Gengec
- Department of Environmental Protection Technology, Kocaeli University, 41285, Kartepe, Kocaeli, Turkey
| | - Mehmet Kobya
- Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey; Department of Environmental Engineering, Kyrgyz-Turkish Manas University, 720038, Bishkek, Kyrgyzstan
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12
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A dramatic enhancement of antibiotic photodegradation catalyzed by red mud-derived Bi5FeTi3O15. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119244] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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13
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Cui S, Zhang R, Peng Y, Gao X, Li Z, Fan B, Guan CY, Beiyuan J, Zhou Y, Liu J, Chen Q, Sheng J, Guo L. New insights into ball milling effects on MgAl-LDHs exfoliation on biochar support: A case study for cadmium adsorption. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:126258. [PMID: 34492995 DOI: 10.1016/j.jhazmat.2021.126258] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 05/11/2021] [Accepted: 05/27/2021] [Indexed: 06/13/2023]
Abstract
Ball milling (BM) as a solvent-free technology has been widely used to tailor the biochar-based adsorbents with high porosity and well dispersion for enhancing their environmental applications. In this study, the ball-milled layered double hydroxides (LDHs) biochar composite (B-LDHs-BC) was successfully fabricated with BM method for Cd(II) adsorption and the BM effects on the LDHs-BC structure-performance relationships were investigated. The solid-state characterization demonstrated the LDHs were successfully exfoliated by BM on the B-LDHs-BC surface which was identified by the enlarged basal spacing and reduced crystallite size of the LDHs. Although the BET surface area of B-LDHs-BC (226 m2/g) was slightly lower than the ball-milled BC, the B-LDHs-BC had more O-containing functional groups and higher adsorption capacity (119 mg/g). The kinetics experiments indicated that the Cd(II) removal by B-LDHs-BC was through both the physical and chemical adsorption processes, and the liquid membrane diffusion was the rate-controlling step. The positive BM effects mainly induced more abundant acidic functional groups and active adsorption sites, and thus enhanced Cd(II) performance of B-LDHs-BC. This work demonstrated a facile solvent-free method for production of the exfoliated LDHs modified BC composite, and also well illustrated the BM effects which can extend their practical use in environment.
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Affiliation(s)
- Shihao Cui
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Ran Zhang
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China; National Engineering Laboratory for Site Remediation Technologies, Beijing 100015, China
| | - Yutao Peng
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Xing Gao
- State Key Laboratory for Pollution Control and Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, China
| | - Zhe Li
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Beibei Fan
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
| | - Chung-Yu Guan
- Department of Environmental Engineering, National I-Lan University, Yilan 260, Taiwan
| | - Jingzi Beiyuan
- School of Environment and Chemical Engineering, Foshan University, Foshan, Guangdong, China
| | - Yaoyu Zhou
- College of Resources and Environment, Hunan Agricultural University, Changsha 410128, China
| | - Juan Liu
- Key Laboratory of Water Quality and Conservation in the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, School of Environmental Science and Engineering, Guangzhou University, Guangzhou 510006, China
| | - Qing Chen
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China.
| | - Jie Sheng
- State Key Laboratory for Pollution Control and Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Lili Guo
- National Engineering Laboratory for Site Remediation Technologies, Beijing 100015, China
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14
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Guo Z, Bai G, Huang B, Cai N, Guo P, Chen L. Preparation and application of a novel biochar-supported red mud catalyst:Active sites and catalytic mechanism. JOURNAL OF HAZARDOUS MATERIALS 2021; 408:124802. [PMID: 33370698 DOI: 10.1016/j.jhazmat.2020.124802] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 12/02/2020] [Accepted: 12/06/2020] [Indexed: 06/12/2023]
Abstract
A novel catalyst RM-BC(HP) was synthesized by hydrothermal treatment and pyrolysis (800 ℃) using red mud and coconut shells. Influence of different preparation conditions on catalyst performance was explored. SEM showed that RM-BC(HP) was porous and RM was successfully loaded on the outside surface and inside the pores of BC. XRD revealed that Fe2O3 in RM was reduced to Fe0 and Fe3O4 in the pyrolysis process, in which pyrolysis temperature and addition ratio of coconut shells were critical. TGA-MS, FT-IR and XPS were also applied to character the catalyst. 100% of AO7 was removed within 30 min with conditions of 2 mM PS, 50 mg/L AO7 and 0.5 g/L RM-BC(HP), and the Fe leaching was negligible. High removal rate was obtained in tap, river, and lake water. RM-BC(HP)/PS system also exhibited excellent degradation performance for other dyes (MB, MG and RhB) and antibiotics (TC, OTC and CTC). The mechanism studies demonstrated that PS was mainly activated by Fe0 and Fe2+ in RM-BC(HP) to produce different radicals, then 1O2 was generated by the reactions among these radicals to degrade AO7. Finally, nine intermediate products of AO7 were identified by FT-ICR-MS and a probable degradation pathway was proposed.
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Affiliation(s)
- Ziwei Guo
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China; Guangdong Provincial Engineering Research Center for Online Monitoring of Water Pollution, Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Institute of Analysis (China National Analytical Center Guangzhou), Guangdong Academy of Sciences, Guangzhou 510000, China
| | - Ge Bai
- Guangdong Provincial Engineering Research Center for Online Monitoring of Water Pollution, Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Institute of Analysis (China National Analytical Center Guangzhou), Guangdong Academy of Sciences, Guangzhou 510000, China; College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730000, China
| | - Bing Huang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Nan Cai
- Guangdong Provincial Engineering Research Center for Online Monitoring of Water Pollution, Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Institute of Analysis (China National Analytical Center Guangzhou), Guangdong Academy of Sciences, Guangzhou 510000, China
| | - Pengran Guo
- Guangdong Provincial Engineering Research Center for Online Monitoring of Water Pollution, Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Guangdong Institute of Analysis (China National Analytical Center Guangzhou), Guangdong Academy of Sciences, Guangzhou 510000, China.
| | - Liang Chen
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
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15
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Li Q, Wei G, Yang Y, Li Z, Zhang L, Shao L, Lai S. Insight into the enhanced catalytic activity of a red mud based Fe2O3/Zn–Al layered double hydroxide in the photo-Fenton reaction. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01539c] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In this work, the enhanced catalytic activity of red mud based Fe2O3/Zn–Al layered double hydroxide in the photo-Fenton reaction has been studied in detail.
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Affiliation(s)
- Qingyong Li
- School of Chemistry and Chemical Engineering
- Guangxi University
- Nanning 530004
- PR China
| | - Guangtao Wei
- School of Chemistry and Chemical Engineering
- Guangxi University
- Nanning 530004
- PR China
- Guangxi Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Guangxi Zhuang Autonomous Region
| | - Yanjuan Yang
- School of Chemistry and Chemical Engineering
- Guangxi University
- Nanning 530004
- PR China
| | - Zhongmin Li
- School of Chemistry and Chemical Engineering
- Guangxi University
- Nanning 530004
- PR China
| | - Linye Zhang
- School of Chemistry and Chemical Engineering
- Guangxi University
- Nanning 530004
- PR China
| | - Luhua Shao
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- PR China
| | - Shiting Lai
- School of Chemistry and Chemical Engineering
- Guangxi University
- Nanning 530004
- PR China
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16
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Van Nguyen TT, Nguyen T, Nguyen PA, Pham TTP, Mai TP, Truong QD, Ha HKP. Mn-Doped material synthesized from red mud and rice husk ash as a highly active catalyst for the oxidation of carbon monoxide and p-xylene. NEW J CHEM 2020. [DOI: 10.1039/d0nj03947k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Red muad and rice husk ash were treated without neutralization by acid to produce a support material (RR).
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Affiliation(s)
- Thi Thuy Van Nguyen
- Institute of Chemical Technology
- Vietnam Academy of Science and Technology
- Ho Chi Minh City
- Vietnam
- Graduate University of Science and Technology
| | - Tri Nguyen
- Institute of Chemical Technology
- Vietnam Academy of Science and Technology
- Ho Chi Minh City
- Vietnam
- Graduate University of Science and Technology
| | - Phung Anh Nguyen
- Institute of Chemical Technology
- Vietnam Academy of Science and Technology
- Ho Chi Minh City
- Vietnam
| | - Thi Thuy Phuong Pham
- Institute of Chemical Technology
- Vietnam Academy of Science and Technology
- Ho Chi Minh City
- Vietnam
- Graduate University of Science and Technology
| | - Thanh Phong Mai
- Vietnam National University Ho Chi Minh City
- Linh Trung Ward
- Ho Chi Minh City
- Vietnam
- Ho Chi Minh City University of Technology (HCMUT)
| | - Quang Duc Truong
- Institute of Multidisciplinary Research for Advanced Materials
- Tohoku University
- Sendai, 980-8577
- Japan
| | - Huynh Ky Phuong Ha
- Vietnam National University Ho Chi Minh City
- Linh Trung Ward
- Ho Chi Minh City
- Vietnam
- Ho Chi Minh City University of Technology (HCMUT)
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