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Preparing of novel fibrous ligand exchange adsorbent for rapid column-mode trace phosphate removal from water
Affiliation:1. Actinide Coordination Chemistry Group, Quantum Beam Science Directorate, Japan Atomic Energy Agency (SPring-8), Hyogo 679-5148, Japan;2. Polymer Lab., Petrochemical Department, Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo, Egypt;3. Department of Applied Chemistry and Biochemistry, Kumamoto University, Kurokami 2-39-1, Kumamoto 860-8555, Japan;1. School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800, Dongchuan Rd., Shanghai 200240, China;2. Research Centre of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China;1. College of Environment, Zhejiang University of Technology, Hangzhou 310032, China;2. Department of Civil Engineering, Case Western Reserve University, 2104 Adelbert Road, Cleveland, OH 44106, United States;1. Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology, Sydney, Broadway, NSW 2007, Australia;2. Shandong Key Laboratory of Water Pollution Control and Resource Reuse, School of Environmental Science & Engineering, Shandong University, Jinan 250100, PR China;3. Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan;4. Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology, District 10, Ho Chi Minh City, Viet Nam;5. Division of Environmental Engineering and Management, Ton Duc Thang University, District 7, Ho Chi Minh City, Viet Nam;1. Chemical Engineering Department, Universitat Politècnica de Catalunya-Barcelona TECH, Av. Diagonal 647, 08028 Barcelona, Spain;2. CETaqua Carretera d’Esplugues 75, 08940 Cornellà de Llobregat, Spain;3. Institute of Physical Organic Chemistry of the National Academy of Sciences of Belarus, 13 Surganov Street, Minsk 220072, Belarus;4. Departamento de Ingeniería Química, Universidad Técnica Particular de Loja, P.O. Box 11-01-608, Loja, Ecuador;1. Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;2. Centre of Excellence for Advanced Materials Research (CEAMR), King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;3. Actinide Chemistry Group, Material Sciences and Research Centre, Japan Atomic Energy Agency (Spring-8), Hyogo 679-5148, Japan
Abstract:We developed a potentially high-performance adsorbent for sustainable treatment of soluble inorganic trace phosphate from water by zirconium(IV) loaded bifunctional fibers. In the presence of common Cl and SO42−, phosphate adsorption was not adversely affected but slightly enhanced due to co-ion and Donnan invasion mechanism. Trace phosphorus (0.0143 mM) was also removed in presence of relatively high amounts of competing anions at high feed flow rate (850 h−1). In competitive arsenate and phosphate adsorption, this novel adsorbent slightly preferred phosphate to arsenate. The adsorbent is reversible and keeps remaining functionality to further reuse in many cycles.
Keywords:Bifunctional fiber (FCPS)  Ligand exchange adsorbent  Phosphate removal  High selectivity  Competitive adsorption
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