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Salazar-Avalos S, Soliz A, Cáceres L, Conejeros S, Brito I, Galvez E, Galleguillos Madrid FM. Metal Recovery from Natural Saline Brines with an Electrochemical Ion Pumping Method Using Hexacyanoferrate Materials as Electrodes. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2557. [PMID: 37764586 PMCID: PMC10537048 DOI: 10.3390/nano13182557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/20/2023] [Accepted: 07/25/2023] [Indexed: 09/29/2023]
Abstract
The electrochemical ion pumping device is a promising alternative for the development of the industry of recovering metals from natural sources-such as seawater, geothermal water, well brine, or reverse osmosis brine-using electrochemical systems, which is considered a non-evaporative process. This technology is potentially used for metals like Li, Cu, Ca, Mg, Na, K, Sr, and others that are mostly obtained from natural brine sources through a combination of pumping, solar evaporation, and solvent extraction steps. As the future demand for metals for the electronic industry increases, new forms of marine mining processing alternatives are being implemented. Unfortunately, both land and marine mining, such as off-shore and deep sea types, have great potential for severe environmental disruption. In this context, a green alternative is the mixing entropy battery, which is a promising technique whereby the ions are captured from a saline natural source and released into a recovery solution with low ionic force using intercalation materials such as Prussian Blue Analogue (PBA) to store cations inside its crystal structure. This new technique, called "electrochemical ion pumping", has been proposed for water desalination, lithium concentration, and blue energy recovery using the difference in salt concentration. The raw material for this technology is a saline solution containing ions of interest, such as seawater, natural brines, or industrial waste. In particular, six main ions of interest-Na+, K+, Mg2+, Ca2+, Cl-, and SO42--are found in seawater, and they constitute 99.5% of the world's total dissolved salts. This manuscript provides relevant information about this new non-evaporative process for recovering metals from aqueous salty solutions using hexacianometals such as CuHCF, NiHCF, and CoHCF as electrodes, among others, for selective ion removal.
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Affiliation(s)
- Sebastian Salazar-Avalos
- Centro de Desarrollo Energético de Antofagasta, Universidad de Antofagasta, Av. Universidad de Antofagasta 02800, Antofagasta 1240000, Chile;
| | - Alvaro Soliz
- Departamento de Ingeniería en Metalurgia, Universidad de Atacama, Av. Copayapu 485, Copiapó 1530000, Chile;
| | - Luis Cáceres
- Departamento de Ingeniería Química y Procesos de Minerales, Universidad de Antofagasta, Av. Universidad de Antofagasta 02800, Antofagasta 1271155, Chile;
| | - Sergio Conejeros
- Departamento de Química, Universidad Católica del Norte, Av. Angamos 610, Antofagasta 1270709, Chile;
| | - Iván Brito
- Departamento de Química, Facultad de Ciencias Básicas, Universidad de Antofagasta, Av. Universidad de Antofagasta 02800, Antofagasta 1240000, Chile;
| | - Edelmira Galvez
- Departamento de Ingeniería Metalúrgica y Minas, Universidad Católica del Norte, Av. Angamos 610, Antofagasta 1270709, Chile;
| | - Felipe M. Galleguillos Madrid
- Centro de Desarrollo Energético de Antofagasta, Universidad de Antofagasta, Av. Universidad de Antofagasta 02800, Antofagasta 1240000, Chile;
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Davoodbeygi Y, Askari M, Salehi E, Kheirieh S. A review on hybrid membrane-adsorption systems for intensified water and wastewater treatment: Process configurations, separation targets, and materials applied. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 335:117577. [PMID: 36848812 DOI: 10.1016/j.jenvman.2023.117577] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/06/2023] [Accepted: 02/22/2023] [Indexed: 06/18/2023]
Abstract
In the era of rapid and conspicuous progress of water treatment technologies, combined adsorption and membrane filtration systems have gained great attention as a novel and efficient method for contaminant removal from aqueous phase. Further development of these techniques for water/wastewater treatment applications will be promising for the recovery of water resources as well as reducing the water tension throughout the world. This review introduces the state-of-the-art on the capabilities of the combined adsorption-membrane filtration systems for water and wastewater treatment applications. Technical information including employed materials, superiorities, operational limitations, process sustainability and upgradeing strategies for two general configurations i.e. hybrid (pre-adsorption and post-adsorption) and integrated (film adsorbents, low pressure membrane-adsorption coupling and membrane-adsorption bioreactors) systems has been surveyed and presented. Having a systematic look at the fundamentals of hybridization/integration of the two well-established and efficient separation methods as well as spotlighting the current status and prospectives of the combination strategies, this work will be valuable to all the interested researchers working on design and development of cutting-edge wastewater/water treatment techniques. This review also draws a clear roadmap for either decision making and choosing the best alternative for a specific target in water treatment or making a plan for further enhancement and scale-up of an available strategy.
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Affiliation(s)
- Yegane Davoodbeygi
- Department of Chemical Engineering, University of Hormozgan, Bandar Abbas, Iran; Nanoscience, Nanotechnology and Advanced Materials Research Center, University of Hormozgan, Bandar Abbas, Iran
| | - Mahdi Askari
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Iran
| | - Ehsan Salehi
- Department of Chemical Engineering, Faculty of Engineering, Arak University, Arak, Iran.
| | - Sareh Kheirieh
- Department of Chemical Engineering, University of Kashan, Kashan, Iran
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Loganathan P, Kandasamy J, Ratnaweera H, Vigneswaran S. Submerged membrane/adsorption hybrid process in water reclamation and concentrate management-a mini review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:42738-42752. [PMID: 36166127 PMCID: PMC10076408 DOI: 10.1007/s11356-022-23229-9] [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: 03/28/2022] [Accepted: 09/20/2022] [Indexed: 05/06/2023]
Abstract
Clean water shortage is a major global problem due to escalating demand resulting from increasing human population growth and industrial activities, decreasing freshwater resources and persistent droughts. Recycling and reuse of wastewater by adopting efficient reclamation techniques can help solve this problem. However, wastewater contains a wide range of pollutants, which require removal before it may be reused. Adsorption and membrane processes are two successful treatments used to remove most of these pollutants. Their efficiency increases when these processes are integrated as observed, for example in a submerged membrane adsorption hybrid system (SMAHS). It uses coarse air bubbling/sparging to produce local shear which minimises reversible membrane fouling, improves performance and extends the life of the membrane. Additionally, the adsorbent acts as a buoyant media that produces an extra shearing effect on the membrane surface, reduces membrane resistance and increases flux. In addition, it adsorbs the organics that would otherwise deposit on and cause fouling of the membrane. The use of activated carbon (AC) adsorbent in SMAHS is very effective in removing most pollutants including natural organic matter (NOM) and organic micropollutants (OMPs) from wastewaters and membrane concentrate wastes, the latter being a serious problem in practical applications of the reverse osmosis process. However, certain NOM fractions and OMPs (i.e. hydrophilic and negatively charged ones) are not efficiently removed by AC. Other adsorbents need to be explored for their effective removal.
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Affiliation(s)
- Paripurnanda Loganathan
- Faculty of Engineering, University of Technology Sydney (UTS), P.O. Box 123, Broadway, NSW 2127 Australia
| | - Jaya Kandasamy
- Faculty of Engineering, University of Technology Sydney (UTS), P.O. Box 123, Broadway, NSW 2127 Australia
| | - Harsha Ratnaweera
- Faculty of Sciences & Technology (RealTek), Norwegian University of Life Sciences, P.O. Box N-1432, Ås, Norway
| | - Saravanamuthu Vigneswaran
- Faculty of Engineering, University of Technology Sydney (UTS), P.O. Box 123, Broadway, NSW 2127 Australia
- Faculty of Sciences & Technology (RealTek), Norwegian University of Life Sciences, P.O. Box N-1432, Ås, Norway
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Al-Absi RS, Khan M, Abu-Dieyeh MH, Ben-Hamadou R, Nasser MS, Al-Ghouti MA. The recovery of strontium ions from seawater reverse osmosis brine using novel composite materials of ferrocyanides modified roasted date pits. CHEMOSPHERE 2023; 311:137043. [PMID: 36336019 DOI: 10.1016/j.chemosphere.2022.137043] [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: 04/23/2022] [Revised: 09/10/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
In this study, three types of adsorbents were used to remove and recover strontium ions (Sr2+) from aqueous and brine solution of seawater reverse osmosis (SWRO), namely roasted date pits (RDP) and RDP modified using copper and nickel salts of potassium hexacyanoferrates to obtain RDP-FC-Cu, and RDP-FC-Ni, respectively. Additionally, the influence of various parameters, including pH, temperature, initial concentration, and co-existing ions was also evaluated. The results revealed that pH 10 was the optimum pH in which the maximum Sr2+ ions were adsorbed. Additionally, all adsorbents had a high adsorption capacity (99.9 mg/g) for removing Sr2+ ions at the highest concentration (100 mg/L) and a temperature of 45 °C was found to be the optimum temperature. A scanning electron microscopy for the adsorbents before and after the adsorption of strontium showed the remarkable pore filling onto the active sites of all adsorbents. The thermodynamics parameter demonstrated that the adsorption occurred in an endothermic environment, and that, the reaction was spontaneous, and favorable at all the temperatures investigated. According to isotherm studies, the Langmuir model was the best-fit isotherm model; indicating that strontium adsorption involved the formation of monolayers and multilayers at higher temperatures (45 °C). Furthermore, high desorption percentages (above 90%) were achieved for all the adsorbents when an HCl concentration of 0.5 M was used. This showed the high reusability of the adsorbents. Lastly, the adsorption of strontium from the SWRO brine containing a number of metal ions was extremely sufficient as all the adsorbents were efficient to adsorb a high amount of Sr2+ despite the presence of other competing ions.
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Affiliation(s)
- Rana S Al-Absi
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, 2713, Doha, Qatar
| | - Mariam Khan
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, 2713, Doha, Qatar
| | - Mohammed H Abu-Dieyeh
- Biological Sciences Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, 2713, Doha, Qatar
| | - Radhouane Ben-Hamadou
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, 2713, Doha, Qatar
| | - Mustafa S Nasser
- Gas Processing Center, College of Engineering, Qatar University, Doha, Qatar
| | - Mohammad A Al-Ghouti
- Environmental Science Program, Department of Biological and Environmental Sciences, College of Arts and Sciences, Qatar University, 2713, Doha, Qatar.
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5
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Jiang C, Ni J, Jin GP. Magnetic potassium cobalt hexacyanoferrate nanocomposites for efficient adsorption of rubidium in solution. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Fang M, Chu W, Cui J, Jin G, Tian C. Adsorption application of Rb
+
on hydrogels of hydroxypropyl cellulose/polyvinyl alcohol/reduced graphene oxide encapsulating potassium cobalt hexacyanoferrate. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ming Fang
- School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Wei‐fan Chu
- School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Jingsi Cui
- School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Guan‐Ping Jin
- School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
| | - Changqing Tian
- School of Chemistry and Chemical Engineering Hefei University of Technology Hefei Anhui China
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7
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Liu Y, Ma B, Lv Y, Wang C, Chen Y. Selective recovery and efficient separation of lithium, rubidium, and cesium from lepidolite ores. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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8
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Wang X, Wang X, Wang Y, Zhai Q, Jiang Y, Li S. The protonated 2 × 4 tunnel manganese oxide nanobelts for high-efficient electrochemical rubidium enrichment. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120635] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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9
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Ren Z, Wang J, Zhang H, Zhang F, Tian S, Zhou Z. Adsorption of rubidium ion from aqueous solution by surface ion imprinted materials. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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Fabrication and performance of the ammonium molybdophosphate/polysulfone mixed matrix membranes for rubidium adsorption in aqueous solution. J Appl Polym Sci 2022. [DOI: 10.1002/app.51798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Kim S, Nam SN, Jang A, Jang M, Park CM, Son A, Her N, Heo J, Yoon Y. Review of adsorption-membrane hybrid systems for water and wastewater treatment. CHEMOSPHERE 2022; 286:131916. [PMID: 34416582 DOI: 10.1016/j.chemosphere.2021.131916] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 08/13/2021] [Accepted: 08/15/2021] [Indexed: 06/13/2023]
Abstract
Adsorption is an effective method for the removal of inorganic and organic contaminants and has been commonly used as a pretreatment method to improve contaminant removal and control flux during membrane filtration. Over the last two decades, many researchers have reported the use of hybrid systems comprising various adsorbents and different types of membranes, such as nanofiltration (NF), ultrafiltration (UF), and microfiltration (MF) membranes, to remove contaminants from water. However, a comprehensive evaluation of the removal mechanisms and effects of the operating conditions on the transport of contaminants through hybrid systems comprising various adsorbents and NF, UF, or MF membranes has not been performed to date. Therefore, a systematic review of contaminant removal using adsorption-membrane hybrid systems is critical, because the transport of inorganic and organic contaminants via the hybrid systems is considerably affected by the contaminant properties, water quality parameters, and adsorbent/membrane physicochemical properties. Herein, we provide a comprehensive summary of the most recent studies on adsorption-NF/UF/MF membrane systems using various adsorbents and membranes for contaminant removal from water and wastewater and highlight the future research directions to address the current knowledge gap.
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Affiliation(s)
- Sewoon Kim
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, 300 Main Street, SC, 29208, USA
| | - Seong-Nam Nam
- Department of Civil and Environmental Engineering, Korea Army Academy at Yeong-Cheon, 495 Hogook-ro, Kokyungmeon, Yeong-Cheon, Gyeongbuk, 38900, South Korea
| | - Am Jang
- School of Civil and Architecture Engineering, Sungkyunkwan University, 2066 Seobu-ro, Jangan-16 Gu, Suwon, Gyeonggi-do, 440-746, Republic of Korea
| | - Min Jang
- Department of Environmental Engineering, Kwangwoon University, 447-1, Wolgye-Dong Nowon-Gu, Seoul, Republic of Korea
| | - Chang Min Park
- Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea
| | - Ahjeong Son
- Department of Environmental Science and Engineering, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, Republic of Korea
| | - Namguk Her
- Department of Civil and Environmental Engineering, Korea Army Academy at Yeong-Cheon, 495 Hogook-ro, Kokyungmeon, Yeong-Cheon, Gyeongbuk, 38900, South Korea
| | - Jiyong Heo
- Department of Civil and Environmental Engineering, Korea Army Academy at Yeong-Cheon, 495 Hogook-ro, Kokyungmeon, Yeong-Cheon, Gyeongbuk, 38900, South Korea.
| | - Yeomin Yoon
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, 300 Main Street, SC, 29208, USA.
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12
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Zhang T, Li Y, Zhao X, Li W, Sun X, Li J, Lu R. A novel recyclable absorption material with boronate affinity. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118880] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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13
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Zhou Z, Hu Y, Wang Z, Zhang H, Zhang B, Ren Z. Facile preparation of a rubidium ion-imprinted polymer by bulk polymerization for highly efficient separation of rubidium ions from aqueous solution. NEW J CHEM 2021. [DOI: 10.1039/d1nj00568e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel rubidium ion-imprinted polymer was prepared by bulk polymerization for selective adsorption of Rb(i).
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Affiliation(s)
- Zhiyong Zhou
- College of Chemical Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
| | - Yulei Hu
- College of Chemical Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
| | - Zhuo Wang
- College of Chemical Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
| | - Hewei Zhang
- College of Chemical Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
| | - Bing Zhang
- College of Mechanical and Electrical Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
| | - Zhongqi Ren
- College of Chemical Engineering
- Beijing University of Chemical Technology
- Beijing 100029
- People's Republic of China
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14
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Mixed matrix membranes for rubidium-dependent recognition and separation: A synergistic recombination design based on electrostatic interactions. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117727] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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15
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Zhang X, Qin Z, Aldahri T, Ren S, Liu W. Solvent extraction of rubidium from a sulfate solution with high concentrations of rubidium and potassium using 4-tert-butyl-2-(α-methylbenzyl)-phenol. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.11.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Gao L, Ma G, Zheng Y, Tang Y, Xie G, Yu J, Liu B, Duan J. Research Trends on Separation and Extraction of Rare Alkali Metal from Salt Lake Brine: Rubidium and Cesium. SOLVENT EXTRACTION AND ION EXCHANGE 2020. [DOI: 10.1080/07366299.2020.1802820] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Li Gao
- Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming, Qinghai University, Xining, China
| | - Guihua Ma
- Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming, Qinghai University, Xining, China
| | - Youxiong Zheng
- Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming, Qinghai University, Xining, China
| | - Yan Tang
- Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming, Qinghai University, Xining, China
| | - Guanshun Xie
- Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming, Qinghai University, Xining, China
| | - Jianwei Yu
- Qinghai Provincial Key Laboratory of New Light Alloys, Qinghai Provincial Engineering Research Center of High Performance Light Metal Alloys and Forming, Qinghai University, Xining, China
| | - Bingxin Liu
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China
| | - Junyuan Duan
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China
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Salehi E, Askari M, Darvishi Y. Novel combinatorial extensions to breakthrough curve modeling of an adsorption column — Depth filtration hybrid process. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.03.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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18
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Liu X, Wang Q, Wang Z, Liu X, Zhang M, Fan J, Zhou Z, Ren Z. Extraction of Rb(I) Ions from Aqueous Solution Using Novel Imprinting Materials. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b01335] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xingwen Liu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Qi Wang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Zhuo Wang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Xueting Liu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Minghui Zhang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Jiahui Fan
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Zhiyong Zhou
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
| | - Zhongqi Ren
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, People’s Republic of China
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Mathematical Modelling of Nitrate Removal from Water Using a Submerged Membrane Adsorption Hybrid System with Four Adsorbents. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8020194] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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20
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Lin KYA, Lai HK, Tong S. One-step prepared cobalt-based nanosheet as an efficient heterogeneous catalyst for activating peroxymonosulfate to degrade caffeine in water. J Colloid Interface Sci 2017; 514:272-280. [PMID: 29274558 DOI: 10.1016/j.jcis.2017.12.040] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 12/15/2017] [Accepted: 12/15/2017] [Indexed: 10/18/2022]
Abstract
Two-dimensional (2D) planar cobalt-containing materials are promising catalysts for activating peroxymonosulfate (PMS) to degrade contaminants because 2D sheet-like morphology provides large reactive surfaces. However, preparation of these sheet-supported cobaltic materials typically involves multiple steps and complex reagents, making them less practical for PMS activation. In this study, a cobalt-based nanosheet (CoNS) is particularly developed using a one-step hydrothermal process with a single reagent in water. The resulting CoNS can exhibit a thickness as thin as a few nanometers and 2-D morphology. CoNS is also primarily comprised of cobalt species in a coordinated form of Prussian Blue analogue, which consists of both Co3+ and Co2+. These features make CoNS promising for activating PMS in aqueous systems. As degradation of an emerging contaminant, caffeine, is selected as a representative reaction, CoNS not only successfully activates PMS to fully degrade caffeine in 20 min but also exhibits a much higher catalytic activity than the most common PMS activator, Co3O4. Via studying inhibitive effects of radical scavengers, caffeine degradation by CoNS-activated PMS is primarily attributed to sulfate radicals and hydroxyl radicals to a lesser extent. The degradation products of caffeine by CoNS-activated PMS are also identified and a potential degradation pathway is proposed. Moreover, CoNS could be also re-used to activate PMS for caffeine degradation without activity loss. These results indicate that CoNS is a conveniently prepared and highly effective and stable 2-D catalyst for aqueous chemical oxidation reactions.
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Affiliation(s)
- Kun-Yi Andrew Lin
- Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan.
| | - Hong-Kai Lai
- Department of Environmental Engineering, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan
| | - Shaoping Tong
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, China.
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