1
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Jindakaew J, Ratanatawanate C, Erwann J, Kaewsaneha C, Sreearunothai P, Opaprakasit P, Yang RX, Elaissari A. Upcycling of post-consumer polyethylene terephthalate bottles into aluminum-based metal-organic framework adsorbents for efficient orthophosphate removal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 935:173394. [PMID: 38788943 DOI: 10.1016/j.scitotenv.2024.173394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 05/01/2024] [Accepted: 05/19/2024] [Indexed: 05/26/2024]
Abstract
2-Phosphonobutane-1,2,4,-tricarboxylic acid (PBTC) is an orthophosphate compound widely used as an antiscalant chemical and corrosion inhibitor in manufacturing. However, PBTC poses persistent environmental concerns due to its stability and resistance to conventional water treatment. In addressing the issues of PBTC in aquatic systems, Al-based metal-organic frameworks (MOFs) have been developed and applied as sustainable adsorbents. The materials are synthesized from terephthalic acid (TPA) linkers derived from upcycling products of post-consumer polyethylene terephthalate (PET) bottles. The PET-derived linker was prepared using alkaline hydrolysis followed by acidification and employed in forming MIL-53 (Al), with a comparative assessment against the corresponding MOFs made from commercial-grade TPA. The structures and properties of the materials were characterized with microscopic and spectroscopic methods. The synthesized adsorbents achieved a phosphate adsorption capacity of 826 mg/g at pH 5, with kinetics fitting a pseudo-second-order model and isotherm patterns aligning with Langmuir, Freundlich, and Sips models, indicative of diverse adsorption on heterogeneous surfaces. The results highlight the role of electrostatic interactions and hydrogen bonding mechanisms in PBTC adsorption. The eco-friendly materials with high adsorption performance offer an innovative route for sustainable waste management and water purification.
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Affiliation(s)
- Jirawan Jindakaew
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand; Universite Claude Bernard Lyon1, ISA, UMR5280, CNRS, 5 rue de la Doua, 69100 Villeurbanne, France
| | - Chalita Ratanatawanate
- Environmental Nanotechnology Research Team, Nanohybrids and Coating Research Group, National Nanotechnology Center, National Science and Technology Development Agency, Pathum Thani 12120, Thailand
| | - Jeanneau Erwann
- Centre de Diffractométrie Henri Longchambon, Université Claude Bernard Lyon1, F-69622 Villeurbanne, 43 Bd du 11 novembre 1918, France
| | - Chariya Kaewsaneha
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand
| | - Paiboon Sreearunothai
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand
| | - Pakorn Opaprakasit
- School of Integrated Science and Innovation, Sirindhorn International Institute of Technology (SIIT), Thammasat University, Pathum Thani 12121, Thailand.
| | - Ren-Xuan Yang
- Institute of Environmental Engineering and Management, National Taipei University of Technology, No. 1 Sec. 3, Chung-Hsiao E. Rd., Taipei 106344, Taiwan.
| | - Abdelhamid Elaissari
- Universite Claude Bernard Lyon1, ISA, UMR5280, CNRS, 5 rue de la Doua, 69100 Villeurbanne, France
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2
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Jin W, Yang Y, Jin J, Xu M, Zhang Z, Dong F, Shao M, Wan Y. Characterization of phosphate modified red mud-based composite materials and study on heavy metal adsorption. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:43687-43703. [PMID: 38904876 DOI: 10.1007/s11356-024-33969-5] [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: 12/30/2023] [Accepted: 06/07/2024] [Indexed: 06/22/2024]
Abstract
In this paper, Bayer red mud (RM) and lotus leaf powder (LL) were used as the main materials, and KH2PO4 was added to modify the material. Under the condition of high-temperature carbonization, RMLL was prepared and phosphate modified red mud matrix composite (PRMLL) was prepared based on KH2PO4 modification, which can effectively remove Pb2+ from water. The optimum preparation and application conditions were determined through orthogonal experiment: dosage 0.1g, ratio 1:1, and temperature 600 °C. The effects of pH, dosage, and initial concentration on the adsorption of Pb2+ were studied. The pseudo-first-order, pseudo-second-order, and Elovich kinetic models were fitted to the experimental data. It was found that RMLL and PRMLL were more consistent with the pseudo-second-order kinetic model and chemisorption. Langmuir, Freundlich, Timkin, and Dubinin-Radushkevich isothermal adsorption models were used to fit the experimental data. It was found that RMLL and PRMLL were more consistent with Langmuir model. In addition, the maximum adsorption capacity of RMLL and PRMLL was 188.1 mg/g and 213.4 mg/g, respectively. It is larger than the adsorption capacity of their monomers. Therefore, the use of RMLL and PRMLL as the removal of Pb2+ from water is a potential application material.
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Affiliation(s)
- Wenlou Jin
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China
| | - Yanzhi Yang
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China
| | - Jiacheng Jin
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China
| | - Mingchen Xu
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China
| | - Zhipeng Zhang
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China
| | - Fan Dong
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China
| | - Min Shao
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China
| | - Yushan Wan
- School of Environmental Science and Engineering, Changzhou University, Changzhou, 213164, China.
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3
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López-Maldonado EA, Abdellaoui Y, Abu Elella MH, Abdallah HM, Pandey M, Anthony ET, Ghimici L, Álvarez-Torrellas S, Pinos-Vélez V, Oladoja NA. Innovative biopolyelectrolytes-based technologies for wastewater treatment. Int J Biol Macromol 2024; 273:132895. [PMID: 38848850 DOI: 10.1016/j.ijbiomac.2024.132895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 05/09/2024] [Accepted: 06/02/2024] [Indexed: 06/09/2024]
Abstract
Developing eco-friendly, cost-effective, and efficient methods for treating water pollutants has become paramount in recent years. Biopolyelectrolytes (BPEs), comprising natural polymers like chitosan, alginate, and cellulose, have emerged as versatile tools in this pursuit. This review offers a comprehensive exploration of the diverse roles of BPEs in combating water contamination, spanning coagulation-flocculation, adsorption, and filtration membrane techniques. With ionizable functional groups, BPEs exhibit promise in removing heavy metals, dyes, and various pollutants. Studies showcase the efficacy of chitosan, alginate, and pectin in achieving notable removal rates. BPEs efficiently adsorb heavy metal ions, dyes, and pesticides, leveraging robust adsorption capacity and exceptional mechanical properties. Furthermore, BPEs play a pivotal role in filtration membrane techniques, offering efficient separation systems with high removal rates and low energy consumption. Despite challenges related to production costs and property variability, their environmentally friendly, biodegradable, renewable, and recyclable nature positions BPEs as compelling candidates for sustainable water treatment technologies. This review delves deeper into BPEs' modification and integration with other materials; these natural polymers hold substantial promise in revolutionizing the landscape of water treatment technologies, offering eco-conscious solutions to address the pressing global issue of water pollution.
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Affiliation(s)
| | - Youness Abdellaoui
- CONAHCyT-Cinvestav Saltillo. Sustainability of Natural Resources and Energy, Av. Industria Metalúrgica 1062, Parque Industrial Ramos Arizpe. Ramos Arizpe, Coahuila C.P. 25900, Mexico.
| | - Mahmoud H Abu Elella
- School of Pharmacy, University of Reading, Reading RG6 6AD, UK; Chemistry Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Heba M Abdallah
- Polymers and Pigments Department, Chemical Industries Research institute, National Research Center, Dokki, Giza 12622, Egypt
| | - Mayank Pandey
- Department of Electronics, Kristu Jayanti College, Bangalore-560077, India
| | | | - Luminita Ghimici
- "Petru Poni" Institute of Macromolecular Chemistry, 41A, Grigore Ghica Voda Alley, 700487, Iasi, Romania
| | - Silvia Álvarez-Torrellas
- Catalysis and Separation Processes Group, Chemical Engineering and Materials Department, Faculty of Chemistry, Complutense University, Avda. Complutense, s/n, 28040 Madrid, Spain
| | - Verónica Pinos-Vélez
- Departamento de Biociencias, Ecocampus Balzay, Universidad de Cuenca, Cuenca 010202, Ecuador; Departamento de Recursos Hídricos y Ciencias Ambientales, Ecocampus Balzay, Universidad de Cuenca, Ecuador
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4
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Rangappa HS, Herath I, Lin C, Ch S. Industrial waste-based adsorbents as a new trend for removal of water-borne emerging contaminants. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123140. [PMID: 38103712 DOI: 10.1016/j.envpol.2023.123140] [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: 03/29/2023] [Revised: 12/02/2023] [Accepted: 12/09/2023] [Indexed: 12/19/2023]
Abstract
Emerging contaminants in wastewater are one of the growing concerns because of their adverse effects on human health and ecosystems. Adsorption technology offers superior performance due to its cost-effectiveness, stability, recyclability, and reliability in maintaining environmental and health standards for toxic pollutants. Despite extensive research on the use of traditional adsorbents to remove emerging contaminants, their expensiveness, lack of selectivity, and complexity of regeneration remain some of the challenges. Industrial wastes viz. blast furnace slag, red mud, and copper slag can be used to develop efficacious adsorbents for the treatment of emerging contaminants in water. Advantages of the use of such industrial wastes include resource utilization, availability, cost-effectiveness, and waste management. Nevertheless, little is known so far about their application, removal efficacy, adsorption mechanisms, and limitations in the treatment of emerging contaminants. A holistic understanding of the application of such unique industrial waste-derived adsorbents in removing emerging contaminants from water is need of the hour to transform this technology from bench-scale to pilot and large-scale applications. This review investigates different water treatment techniques associated with industrial waste-based adsorbents derived from blast furnace slag, red mud, and copper slag. Besides, this review provides important insights into the growing trends of utilizing such novel types of adsorbents to remove emerging contaminants from water with an emphasis on removal efficacy, controlling measures, adsorption mechanisms, advantages, and limitations. The present timely review brings the current state of knowledge into a single reference which could be a strong platform for future research in understanding the latest advancements, decision making, and financial management related to the treatment of wastewater using industrial waste-based adsorbents.
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Affiliation(s)
- Harsha S Rangappa
- Center for Interdisciplinary Programs, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, 502285, Telangana, India; Centre for Regional and Rural Futures, Faculty of Science, Engineering and Built Environment, Deakin University, Burwood, VIC, 3125 Australia
| | - Indika Herath
- Centre for Regional and Rural Futures, Faculty of Science, Engineering and Built Environment, Deakin University, Waurn Ponds, VIC, 3216 Australia
| | - Chuxia Lin
- Centre for Regional and Rural Futures, Faculty of Science, Engineering and Built Environment, Deakin University, Burwood, VIC, 3125 Australia
| | - Subrahmanyam Ch
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy, Telangana, 502285, India.
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5
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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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6
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Luo Y, Lan Y, Liang S, Yu S, Xue M, Yin Z, Shen FF, Li X, Hong Z, Yan M, Xie C, Gao B. Rice husk hydrochar prepared by hydrochloric acid assisted hydrothermal carbonization for levofloxacin removal in bioretention columns. BIORESOURCE TECHNOLOGY 2024; 393:130105. [PMID: 38008223 DOI: 10.1016/j.biortech.2023.130105] [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: 08/27/2023] [Revised: 11/23/2023] [Accepted: 11/23/2023] [Indexed: 11/28/2023]
Abstract
Hydrochars are promising adsorbents in pollutant removal for water treatment. Herein, hydrochloric acid (HCl) co-hydrothermally treated hydrochars were prepared from rice husk biomass at 180 °C via a one-step hydrothermal method. Adsorption behaviors of levofloxacin (LVX) on hydrochars were evaluated. The specific surface area and pore volume of the hydrochar synthesized in 5 mol/L HCl (5H-HC) were almost 17 and 8 times of untreated hydrochar, respectively. The 5H-HC sample exhibited the highest LVX adsorption capability at room temperature (107 mg/g). Thermodynamic experimental results revealed that adsorption was a spontaneous endothermic process. Yan model provided the best description of the breakthrough behavior of LVX in bioretention column, indicating that the adsorption on the samples involved several rate-limiting factors including diffusion and mass transfer. The results show that facile HCl co-hydrothermal carbonization of waste biomass can produce novel hydrochars with high LVX adsorption ability.
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Affiliation(s)
- Yidan Luo
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China; Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang 330031, China
| | - Yuanwang Lan
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Shuzhen Liang
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Shuohan Yu
- School of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Mingshan Xue
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China.
| | - Zuozhu Yin
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Fang-Fang Shen
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Xibao Li
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Zhen Hong
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Meiling Yan
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Chan Xie
- School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China
| | - Bin Gao
- Department of Civil and Environmental Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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7
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Yan C, Cheng Z, Zhang X, Zhang Y, Chen X, Zeng G, Xu H. Highly efficient catalytic ozonation degradation of levofloxacin by facile hydrogenation-modified red mud wastes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122149. [PMID: 37433366 DOI: 10.1016/j.envpol.2023.122149] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/05/2023] [Accepted: 07/03/2023] [Indexed: 07/13/2023]
Abstract
Iron-rich red mud (RM) is a potential catalyst. However, as industrial waste, is strongly alkaline, low effectiveness, and safety concerns are problems that cannot be ignored, it is urgent to mine out a reasonable disposal and utilization technology for the waste. In this study, an effective catalyst (H-RM) was obtained by facile hydrogenation heating modification of red mud. Then above-prepared H-RM was applied in the catalytic ozonation degradation of levofloxacin (LEV). The H-RM exhibited more remarkable catalytic activities than the RM in terms of LEV degradation, and the optimal efficiency can reach over 90% within 50 min. The mechanism experiment proved that the concentration of dissolved ozone and hydroxyl radical (•OH) significantly increased, which enhanced the oxidation effect. Hydroxyl radical played a dominant role in the degradation of LEV. In the safety test, it is concluded that the concentration of total hexavalent chromium (total Cr(Ⅵ)) in the H-RM catalyst decreases and the leaching concentration of water-soluble Cr(Ⅵ) in aqueous solution is low. The results indicated that the hydrogenation technique is an available Cr (Ⅵ) detoxification method for RM. Moreover, the H-RM has excellent catalytic stability, which is beneficial to recycling and maintains high activity. This research provides an effective means to fulfill the reuse of industrial waste as an alternative to standard raw materials, and comprehensive utilization of the waste to attain the purpose of treating pollution with wastes.
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Affiliation(s)
- Chaoqun Yan
- Key Laboratory of Bio-resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China; School of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, 400054, PR China
| | - Zhiliang Cheng
- School of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, 400054, PR China
| | - Xuan Zhang
- School of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing, 400054, PR China
| | - Yumei Zhang
- Key Laboratory of Bio-resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Xianghan Chen
- Key Laboratory of Bio-resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Guoquan Zeng
- Key Laboratory of Bio-resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China
| | - Heng Xu
- Key Laboratory of Bio-resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, Sichuan, PR China.
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Ma Y, Zhu J, Yu J, Fu Y, Gong C, Huang X. Adsorption Characteristics of Phosphate Based on Al-Doped Waste Ceramsite: Batch and Column Experiments. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:671. [PMID: 36612990 PMCID: PMC9819071 DOI: 10.3390/ijerph20010671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/21/2022] [Accepted: 12/27/2022] [Indexed: 06/17/2023]
Abstract
Phosphorus widely existing in rainfall and wastewater impacts the water environment. In this study, sludge, cement block, and coal fly ash were employed as ceramsite material to synthesize Al-doped waste ceramsite (Al-ceramsite) for removing phosphate (PO43--P) from aqueous solutions. Batch static adsorption-desorption experiments were designed to investigate the effect of various parameters such as Al-ceramsite dosage, PO43--P concentration, temperature, initial pH, coexisting ions, and desorbents on the removal of PO43--P. Also, the fate of PO43--P removal efficiency in actual rainwater was studied through dynamic adsorption column experiments using Al-ceramsite. Results showed that Al-ceramsite could remove PO43--P efficiently under the optimum parameters as follows: Al-ceramsite dosage of 40 g/L, initial PO43--P concentration of 10 mg/L, temperature of 25 °C, and pH of 5. Besides that, the Al-ceramsite could completely remove PO43--P in actual rainwater, and the effluent PO43--P concentration was lower than the environmental quality standards for surface water Class Ⅰ (0.02 mg/L). The adsorption characteristics of Al-ceramsite on PO43--P by X-ray photoelectron spectroscopy (XPS) were further explained. As a result, ligand exchange and complexation were confirmed as the main PO43--P removal mechanism of Al-ceramsite. Thus, Al-ceramsite was prepared from industrial waste and has shown excellent potential for phosphorus removal in practical applications.
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Affiliation(s)
- Yameng Ma
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
- School of Materials and Environmental Engineering, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Jia Zhu
- School of Materials and Environmental Engineering, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Jianghua Yu
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Yicheng Fu
- State Key Laboratory of Simulation and Regulation of River Basin Water Cycle, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
| | - Chao Gong
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Xiao Huang
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing 210044, China
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9
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Application of Mesopore-Activated Red Mud for Phosphorus Adsorption. ADSORPT SCI TECHNOL 2022. [DOI: 10.1155/2022/8351796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
In this paper, the mesopore-activated red mud (M-ARM) was prepared by treating red mud (RM) with acid under an ultrasonic batch and through heat treatment at 750 C. The surface area and adsorption average pore width of M-ARM were calculated and obtained values of 13.408 m2 g-1 and 25.160 nm, respectively. Therefore, the maximum adsorption capacity of M-ARM for phosphorus was
at 318 K and
. At a low initial concentration (75 mg L-1), the phosphorus removal capacity by M-ARM material was up to
at 313 K. With the temperature scales varying from 298 to 313 K, the values of Gibbs free energy change (
) were negative and also vary from -37.47 to -36.68. The phosphorus adsorption process in an aqueous solution is spontaneous, and this adsorption process was exothermic with enthalpy change
. From the results of investigations and calculations of thermodynamic values, kinetics, and adsorption capacity of materials, we can confirm that the materials in this study had a low-cost and potential material for applications to treat phosphorus-contaminated water. In addition, the adsorption kinetics of this material for phosphorus were also studied and discussed.
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10
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Davand H, Sepehr E, Momtaz HR, Ahmadi F. Wastewater irrigation: An opportunity for improving soil phosphorus availability; PHREEQC modeling and adsorption studies. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158180. [PMID: 36007642 DOI: 10.1016/j.scitotenv.2022.158180] [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: 08/03/2022] [Revised: 08/16/2022] [Accepted: 08/17/2022] [Indexed: 06/15/2023]
Abstract
Wastewater, an alternative supply of water and nutrients, is being allocated as a priority for human population sustainability in arid and semi-arid regions. This work proposes phosphorus (P), a vital growth-limiting nutrient, adsorption behavior in wastewater irrigated agricultural soils in comparison to non-irrigated soils using laboratory batch experiments. The adsorption mechanism was assessed using different adsorption isotherm models. Saturation indices were modeled, using the hydro-geochemical transport code PHREEQC and MINTEQ geochemical software. Phosphorus buffering parameters were also calculated based on the standard equations. The equilibrium data were well fitted with the Freundlich isotherm model. The physical adsorption mechanism was found based on the calculated isotherm parameters. The maximum adsorption capacity was two times more in non-wastewater irrigated soils than irrigated. Results highlighted the effectiveness of wastewater irrigation in P availability in soil. Based on the PHREEQC modeling data, precipitation of Pb and Zn mineral phases was probable in soils by wastewater influence. Meanwhile, the precipitation of stable calcium phases, that affect the P sorption and/or co-precipitation, in non-wastewater irrigated soils was highlighted in the PHREEQC calculations. The standard buffer capacity (SBC) was 43 and 64 L kg-1 in wastewater irrigated soils and non-irrigated soils, respectively. Findings of the present study demonstrate the importance of wastewater reuse opportunities for agricultural application, especially soil P availability, and are helpful to minimize the environmental impacts of wastewater and solid waste.
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Affiliation(s)
- Hiva Davand
- Department of Soil Science, Faculty of Agriculture, Urmia University, Urmia, Iran
| | - Ebrahim Sepehr
- Department of Soil Science, Faculty of Agriculture, Urmia University, Urmia, Iran.
| | - Hamid Reza Momtaz
- Department of Soil Science, Faculty of Agriculture, Urmia University, Urmia, Iran
| | - Fatemeh Ahmadi
- Department of Soil Science, Faculty of Agriculture, Urmia University, Urmia, Iran; Soil Science and Plant Nutrition, UWA School of Agriculture and Environment, The University of Western Australia, 6009, Australia; Tasmanian Institute of Agriculture, University of Tasmania, Hobart, Tasmania 7001, Australia
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11
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Preparation of highly efficient and eco-friendly alumina magnetic hybrid nanosorbent from red mud: Excellent adsorption capacity towards nitrate. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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12
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Mi H, Yi L, Wu Q, Xia J, Zhang B. A review of comprehensive utilization of red mud. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2022; 40:1594-1607. [PMID: 35875958 DOI: 10.1177/0734242x221107987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Red mud (RM) is a solid waste generated during the process of alumina production. RM has already posed a serious environmental threat with the development of the alumina refining industry. The comprehensive utilization of RM has attracted much attention due to its large-scale generation and harmful nature. This paper introduces the characteristics and state of RM and summarizes the relevant research on the comprehensive utilization of RM. The results show that comprehensive utilization of RM is mainly focused on the preparation of building materials, the extraction of valuable metals, catalyst synthesis and environmental protection. Besides, the article discusses the existing problems while utilizing RM. Prospects and suggestions for different utilization methods of RM are proposed.
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Affiliation(s)
- Hongcheng Mi
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, China
| | - Longsheng Yi
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, China
| | - Qian Wu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, China
| | - Jin Xia
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, China
| | - Binghang Zhang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, Hunan, China
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13
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Bian J, Li S, Zhang Q. Experimental Investigation on Red Mud from the Bayer Process for Cemented Paste Backfill. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:11926. [PMID: 36231225 PMCID: PMC9565261 DOI: 10.3390/ijerph191911926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Red mud is a by-product of alumina production, and its disposal can have severe environmental consequences. This study experimentally investigates the feasibility of using red mud from the Bayer process for cemented paste backfill (CPB). Different binders and activators were used to improve the mechanical properties, water resistance, and environmental behaviors of red mud-based CPB. In addition, water immersion tests were introduced, for the first time, to evaluate the water resistance of CPB. Furthermore, the environmental behaviors of red mud-based CPB were investigated by conducting leaching experiments. The results showed that the red-mud specimens had an unconfined compressive strength (UCS) of less than 0.2 MPa and disintegrated after being immersed in water. Different binders significantly improved the mechanical properties of red mud-based CPB. In addition, the specimens with different binders showed excellent water resistance, and the softening coefficient of CPB with different binders could exceed 0.7 after being cured for 28 days. The binders exhibited a substantial inhibitory effect on the leaching of hazardous substances in red mud under the solidification and stabilization effects. The leaching concentration of hexavalent chromium, selenium, fluoride, arsenic, lead, and vanadium was reduced by more than 70%. Therefore, this study provides an effective method for the environmental-friendly and large-scale utilization of red mud from the Bayer process.
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14
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Crystalline Violet Wastewater Treatment by Low-Temperature Plasma Combined with Industrial Solid Waste Red Mud. Catalysts 2022. [DOI: 10.3390/catal12080908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Low-temperature plasma (LTP) technology has been successfully used to treat persistent organic pollutants in water. Efforts have been devoted to combine catalysts and LTP to improve the degradation efficiency of pollutants and energy utilization efficiency. Herein, industrial solid waste red mud as a novel catalyst was added to an LTP system to treat crystalline violet (CV) wastewater. The energy yield at 50% CV decomposition and TOC after a 30 min reaction by the plasma treatment, red mud adsorption, and red mud/plasma treatment were compared. The effects of the main operating parameters, such as red mud dosing amount, initial pH, discharge voltage, and initial concentration of CV, on the removal efficiency of CV were investigated. The best degradation of CV was achieved with a red mud dosage of 2 g, a neutral environment, and a discharge voltage of 22 kV. When the red mud was recycled three times, the removal efficiency decreased a little in the red mud/plasma system. Hydroxyl radical plays an important role in the treatment of CV. The red mud was characterized by BET, SEM, XRD, and FT-IR, and the structure of the red mud was not greatly affected after being used in the red mud/plasma system.
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15
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Vinayagam V, Murugan S, Kumaresan R, Narayanan M, Sillanpää M, Viet N Vo D, Kushwaha OS, Jenis P, Potdar P, Gadiya S. Sustainable adsorbents for the removal of pharmaceuticals from wastewater: A review. CHEMOSPHERE 2022; 300:134597. [PMID: 35439481 DOI: 10.1016/j.chemosphere.2022.134597] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/22/2022] [Accepted: 04/09/2022] [Indexed: 06/14/2023]
Abstract
Over the previous three decades, the worldwide use of pharmaceuticals has surged by more than 2.5 times. Although being considered essential to save many lives, pharmaceuticals have also emerged as a large source of complex environmental contaminants in recent decades. Consequently, the pharmaceuticals and their breakdown products are ending up into the water bodies thus progressively contaminating them and the surrounding environments. Based on recent studies concentrations in water sources are typically >0.1 μg/l and the concentration in treated water is typically >0.05 μg/l. These pharma drugs are removed from aquatic systems by processes such as oxidation, Ultraviolet degradation, reverse osmosis and nano-filtration. However, hazardous sludge creation, incomplete removal, expensive capital and operating costs, and the need for professional operating and maintenance personnel have all limited the economic sustainability of these systems. As a result, the presence of pharmaceuticals in water necessitates even more advanced technologies of purification to harvest clean water, yet present approaches are constrained by their high costs, low reusability, and disposal issues. Here, we review sustainable adsorbents for the removal of pharmaceuticals from wastewater. In this comprehensive review, an evaluation of water contamination caused by pharmaceutical compounds is discussed. An overview of current research on the employment of sustainable adsorbents for the removal of the major pharmaceuticals prevalent in water sources. Numerous aspects of high adsorption efficiencies of these pharmaceutical compounds with such sustainable adsorbents were observed; however, other factors, such as adsorbent regeneration and cost evaluation, must be taken into account in order to assess the true applicability of adsorbents.
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Affiliation(s)
- Vignesh Vinayagam
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Shrima Murugan
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Rishikeswaran Kumaresan
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Meyyappan Narayanan
- Department of Chemical Engineering, Sri Venkateswara College of Engineering, Chennai, Tamil Nadu, 602117, India
| | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa; Chemistry Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia; Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia; Zhejiang Rongsheng Environmental Protection Paper Co. Ltd, No. 588 East Zhennan Road, Pinghu Economic Development Zone, Zhejiang, 314213, PR China
| | - Dai Viet N Vo
- Institute of Environmental Sciences, Nguyen Tat Thanh University, Ho Chi Minh City, 755414, Viet Nam.
| | - Omkar Singh Kushwaha
- Department of Chemical Engineering, Indian Institute of Technology, Madras, Chennai, Tamil Nadu, 600036, India.
| | - Ponraj Jenis
- Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, 119077
| | - Pratik Potdar
- Department of Chemical Engineering, Columbia University, New York, 10027, United States
| | - Shreyans Gadiya
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, United States
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16
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Baskar AV, Bolan N, Hoang SA, Sooriyakumar P, Kumar M, Singh L, Jasemizad T, Padhye LP, Singh G, Vinu A, Sarkar B, Kirkham MB, Rinklebe J, Wang S, Wang H, Balasubramanian R, Siddique KHM. Recovery, regeneration and sustainable management of spent adsorbents from wastewater treatment streams: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 822:153555. [PMID: 35104528 DOI: 10.1016/j.scitotenv.2022.153555] [Citation(s) in RCA: 76] [Impact Index Per Article: 38.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 01/26/2022] [Accepted: 01/26/2022] [Indexed: 04/15/2023]
Abstract
Adsorption is the most widely adopted, effective, and reliable treatment process for the removal of inorganic and organic contaminants from wastewater. One of the major issues with the adsorption-treatment process for the removal of contaminants from wastewater streams is the recovery and sustainable management of spent adsorbents. This review focuses on the effectiveness of emerging adsorbents and how the spent adsorbents could be recovered, regenerated, and further managed through reuse or safe disposal. The critical analysis of both conventional and emerging adsorbents on organic and inorganic contaminants in wastewater systems are evaluated. The various recovery and regeneration techniques of spent adsorbents including magnetic separation, filtration, thermal desorption and decomposition, chemical desorption, supercritical fluid desorption, advanced oxidation process and microbial assisted adsorbent regeneration are discussed in detail. The current challenges for the recovery and regeneration of adsorbents and the methodologies used for solving those problems are covered. The spent adsorbents are managed through regeneration for reuse (such as soil amendment, capacitor, catalyst/catalyst support) or safe disposal involving incineration and landfilling. Sustainable management of spent adsorbents, including processes involved in the recovery and regeneration of adsorbents for reuse, is examined in the context of resource recovery and circular economy. Finally, the review ends with the current drawbacks in the recovery and management of the spent adsorbents and the future directions for the economic and environmental feasibility of the system for industrial-scale application.
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Affiliation(s)
- Arun V Baskar
- The Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Nanthi Bolan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA 6001, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia
| | - Son A Hoang
- The Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia; Division of Urban Infrastructural Engineering, Mientrung University of Civil Engineering, Phu Yen 56000, Viet Nam
| | - Prasanthi Sooriyakumar
- The Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Manish Kumar
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440020, Maharashtra, India
| | - Lal Singh
- CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur 440020, Maharashtra, India
| | - Tahereh Jasemizad
- Department of Civil and Environmental Engineering, Faculty of Engineering, The University of Auckland, Auckland 1010, New Zealand
| | - Lokesh P Padhye
- Department of Civil and Environmental Engineering, Faculty of Engineering, The University of Auckland, Auckland 1010, New Zealand
| | - Gurwinder Singh
- The Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Ajayan Vinu
- The Global Innovative Centre for Advanced Nanomaterials, College of Engineering, Science and Environment, University of Newcastle, Callaghan, NSW 2308, Australia
| | - Binoy Sarkar
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, United Kingdom
| | - M B Kirkham
- Department of Agronomy, Kansas State University, Manhattan, KS, USA
| | - Jörg Rinklebe
- University of Wuppertal, Germany, Faculty of Architecture und Civil Engineering, Institute of Soil Engineering, Waste- and Water Science, Laboratory of Soil- and Groundwater-Management, Germany; Department of Environment, Energy and Geoinformatics, Sejong University, Seoul, Republic of Korea.
| | - Shengsen Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, People's Republic of China
| | - Hailong Wang
- Biochar Engineering Technology Research Center of Guangdong Province, School of Environmental and Chemical Engineering, Foshan University, Foshan, Guangdong 528000, People's Republic of China; Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Zhejiang A&F University, Hangzhou, Zhejiang 311300, People's Republic of China
| | | | - Kadambot H M Siddique
- The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6001, Australia
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17
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Pang AL, Arsad A, Ahmadipour M, Azlan Hamzah A, Ahmad Zaini MA, Mohsin R. High efficient degradation of organic dyes by
polypyrrole‐multiwall
carbon nanotubes nanocomposites. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5609] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Ai Ling Pang
- UTM‐MPRC Institute for Oil and Gas, School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
| | - Agus Arsad
- UTM‐MPRC Institute for Oil and Gas, School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
| | - Mohsen Ahmadipour
- Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia Bangi, Selangor Malaysia
| | - Azrul Azlan Hamzah
- Institute of Microengineering and Nanoelectronics Universiti Kebangsaan Malaysia Bangi, Selangor Malaysia
| | - Muhammad Abbas Ahmad Zaini
- Centre of Lipids Engineering & Applied Research (CLEAR), Ibnu‐Sina Institute for Scientific & Industrial Research (ISI‐SIR), School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
| | - Rahmat Mohsin
- UTM‐MPRC Institute for Oil and Gas, School of Chemical and Energy Engineering, Faculty of Engineering Universiti Teknologi Malaysia Johor Bahru Malaysia
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18
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Yin Y, Xu G, Xu Y, Guo M, Xiao Y, Ma T, Liu C. Adsorption of inorganic and organic phosphorus onto polypyrrole modified red mud: Evidence from batch and column experiments. CHEMOSPHERE 2022; 286:131862. [PMID: 34403899 DOI: 10.1016/j.chemosphere.2021.131862] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/29/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
The ubiquitous presence of inorganic and organic phosphorus in wastewater and natural water bodies has deteriorated the water environment qualities and exerted significant influences on ecosystems. In this study, an effective polypyrrole modified red mud adsorbent (PRM) was optimized for the adsorptive removal of inorganic and organic phosphorus from aqueous solutions. The addition of ferric chloride and pyrrole was optimized for complete oxidation and modification of polypyrrole onto red mud. Kinetic studies illustrated that the adsorption progress was accomplished by physical and chemical adsorption. The experimental data of the optimized PRM were described well by Langmuir isotherm, and the equilibrium adsorption capacity was 32.9 and 54.7 mg/g for inorganic and organic phosphorus, respectively. The PRM showed commendable adsorption performance despite the pH conditions ranging from 3 to 11. From the effect of ion strength and X-ray photoelectron spectroscopy (XPS) tests, we found that ligand exchange is the main mechanism of orthophosphate adsorption onto PRM, while electrostatic attraction played an important role in organic phosphorus adsorption. The adsorption performance from column studies showed that the velocity of flow influenced the breakthrough time of the column but the initial concentration had minor impacts. This study would extend the potential application of polypyrrole modified red mud, acting as an efficient adsorbent for inorganic and organic phosphorus adsorption in water treatment.
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Affiliation(s)
- Yue Yin
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, PR China
| | - Gaoyang Xu
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, PR China
| | - Yuxing Xu
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, PR China
| | - Mengyan Guo
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, PR China
| | - Yihua Xiao
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, PR China
| | - Tao Ma
- Shandong Huankeyuan Environmental Engineering Co., Ltd, Jinan, 250013, PR China
| | - Changqing Liu
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, PR China.
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19
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Anionic Dye Removal by Polypyrrole-Modified Red Mud and Its Application to a Lab-Scale Column: Adsorption Performance and Phytotoxicity Assessment. ADSORPT SCI TECHNOL 2021. [DOI: 10.1155/2021/7694783] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
In this study, polypyrrole-modified red mud (PRM) was prepared for the efficient removal of anionic dyes (methyl orange and Congo red) from aqueous solutions. The phytotoxicity (bean sprouts) of the dye solution before and after dye removal was investigated. Adsorption kinetics confirmed that the adsorption of methyl orange (MO) and Congo red (CR) on PRM was controlled by chemical reactions between the functional groups of polypyrrole and dyes. From Langmuir isotherm fitting, we found the theoretical adsorption capacities of MO and CR on PRM were 194.1 and 314.9 mg/g, respectively. The adsorption progress of MO and CR on PRM was found to be spontaneous and endothermic. The column studies demonstrated that, under dynamic flow, the PRM can efficiently remove MO and CR from aqueous solution, with adsorption capacities of 31.08 and 55.04 mg/g, respectively. In the toxicity test, the phytotoxicity of the column effluents (after dye removal) was significantly lowered compared to the initial dye influents. After the removal of MO and CR, the average root length of bean sprouts was increased from 3.30 cm to 5.18 cm and from 3.01 cm to 7.00 cm, respectively. These findings highlighted the efficient removal of dyes by PRM from aqueous solution, demonstrating the possible application of PRM for the removal of dye from dye-contaminated wastewaters.
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20
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Preparation and optimization of a low-cost adsorbent for heavy metal ions from red mud using fraction factorial design and Box-Behnken response methodology. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127198] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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21
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Fu G, Zhao Y, Zhou S, Chen C, Zhong Y, Xu Y. Efficient removal of nitrogen and phosphorus in aqueous solutions using modified water treatment residuals-sodium alginate beads. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:46233-46246. [PMID: 33635456 DOI: 10.1007/s11356-021-12586-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 01/18/2021] [Indexed: 06/12/2023]
Abstract
A high-performance sorbent, modified water treatment residuals-sodium alginate beads (WTR-SA beads), was prepared through a series of salt and combined thermal roasting composite modification between water treatment residuals and sodium alginate. The properties of modified WTR-SA beads composites were characterized by SEM-EDS, FT-IR, XRD, and BET. The adsorption performance of WTR-SA beads was investigated in removing nitrogen and phosphorus from wastewater. Compared to the unmodified WTR, the removal efficiency of nitrogen and phosphorus onto the modified WTR-SA beads was increased from 22.34 and 77.13% to 95.14 and 98.31%, respectively. The adsorption capacities of nitrogen and phosphorus onto the modified WTR-SA beads were reach a maximum of 2.52 mg/g and 6.45 mg/g, respectively. The adsorption behavior can be well described using a quasi-second-order kinetic model and Langmuir isotherm model. The thermodynamic properties of nitrogen adsorption indicated that the adsorption was spontaneous and exothermic. On the contrary, the adsorption process of phosphorus is an endothermic reaction. The adsorption of nitrogen by modified WTR-SA beads is mainly carried out through ion exchange and hydroxyl complexation, and ion exchange plays a major role in it. While, the adsorption of modified WTR-SA beads on phosphorus is affected by three actions: ligand exchange, chemical precipitation, and ion exchange, which ligand exchange is the main effect. Based on these results, it can be concluded that the modified WTR-SA beads are a high efficiency adsorbent for removing nitrogen and phosphorus from domestic and industrial wastewater.
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Affiliation(s)
- Guangyi Fu
- Key Laboratory of Water Pollution Control Technology, Hunan Research Academy of Environmental Science, Changsha, 410004, Hunan, China
| | - Yuanyuan Zhao
- Key Laboratory of Water Pollution Control Technology, Hunan Research Academy of Environmental Science, Changsha, 410004, Hunan, China.
| | - Shuang Zhou
- Key Laboratory of Water Pollution Control Technology, Hunan Research Academy of Environmental Science, Changsha, 410004, Hunan, China.
| | - Chongyu Chen
- Key Laboratory of Water Pollution Control Technology, Hunan Research Academy of Environmental Science, Changsha, 410004, Hunan, China
- School of Environmental Science and Engineering, Hunan University, Changsha, 410082, Hunan, China
| | - Yu Zhong
- Key Laboratory of Water Pollution Control Technology, Hunan Research Academy of Environmental Science, Changsha, 410004, Hunan, China
| | - Youze Xu
- Key Laboratory of Water Pollution Control Technology, Hunan Research Academy of Environmental Science, Changsha, 410004, Hunan, China
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22
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Wang P, Wang X, Chen S, Zhang J, Mu X, Chen Y, Sun Z, Wei A, Tian Y, Zhou J, Liang X, Miao L, Saito N. Reduced Red Mud as the Solar Absorber for Solar-Driven Water Evaporation and Vapor-Electricity Generation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:30556-30564. [PMID: 34170099 DOI: 10.1021/acsami.1c05228] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The emergent solar-driven water evaporation technology provides a reassuring scheme for red mud (RM) utilization in environment and materials science. With fewer restrictions on raw materials, wide availability of sheer quantity, and high complexity in chemical composition, the RM may be a promising candidate for solar absorbers. Here, we developed a novel solar absorber with reduced RM. It features favorable light absorption and photothermal conversion ability using biomass pyrolysis. When added to the polyvinyl alcohol and chitosan gel substrate, the light absorptance can reach 94.65%, while the corresponding evaporation rate is as high as 2.185 kg m-2 h-1 under an illumination density of 1 kW m-2. We further demonstrated its potential as an efficient solar absorber in the solar-driven water evaporation and the thermoelectric device to realize the stable and efficient coproduction of vapor and electricity.
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Affiliation(s)
- Pengfei Wang
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Xiaoyang Wang
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
- Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya 4648603, Japan
| | - Siyi Chen
- College of Arts and Science, University of Tokyo, Tokyo 1538902, Japan
| | - Jiahong Zhang
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Xiaojiang Mu
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Yulian Chen
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Zhiqiang Sun
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Anyun Wei
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Yongzhi Tian
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Jianhua Zhou
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Xiaoxin Liang
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
| | - Lei Miao
- Guangxi Key Laboratory of Information Material, School of Material Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, China
- Department of Materials Science and Engineering, SIT Research Laboratories, Innovative Global Program, Faculty of Engineering, Shibaura Institute of Technology, Tokyo 1358548, Japan
| | - Nagahiro Saito
- Department of Chemical Systems Engineering, Graduate School of Engineering, Nagoya University, Nagoya 4648603, Japan
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23
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Analysis of diclofenac removal by metal-organic framework MIL-100(Fe) using multi-parameter experiments and artificial neural network modeling. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.04.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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