DOI: 10.1016/j.watres.2018.01.023
Scopus记录号: 2-s2.0-85041387800
论文题名: Hybrid organic-inorganic anion-exchange pore-filled membranes for the recovery of nitric acid from highly acidic aqueous waste streams
作者: Chavan V. ; Agarwal C. ; Adya V.C. ; Pandey A.K.
刊名: Water Research
ISSN: 431354
出版年: 2018
卷: 133 起始页码: 87
结束页码: 98
语种: 英语
英文关键词: Anion-exchange membrane
; Inorganic-organic microgel
; Nitric acid removal
; Pore-filled membrane
; Salt leakage
Scopus关键词: Anionic polymerization
; Dialysis
; Environmental technology
; Ion exchange membranes
; Ions
; Nitric acid
; organic-inorganic materials
; Recovery
; Salt removal
; Anion exchange membrane
; High level nuclear wastes
; Hybrid organic-inorganic
; Inorganic-organic hybrid
; Microgel
; Pore-filled membranes
; Salt leakage
; Synthesis and characterizations
; Dialysis membranes
; monomer
; nitric acid
; nitric acid
; aqueous solution
; chemical composition
; diffusion
; inorganic compound
; ion exchange
; leakage
; membrane
; nitric acid
; optimization
; organic compound
; pollutant removal
; polymerization
; recovery
; waste technology
; anion exchange
; aqueous solution
; Article
; chemical composition
; controlled study
; dry weight
; gamma radiation
; hydrophobicity
; ion exchange
; limit of detection
; membrane
; nuclear waste
; photocatalysis
; polymerization
; pore filled membrane
; priority journal
; proton transport
; synthesis
; water content
; water transport
; artificial membrane
; chemistry
; diffusion
; pH
; porosity
; procedures
; radioactive waste
; recycling
; water management
; water pollutant
; Diffusion
; Hydrogen-Ion Concentration
; Ion Exchange
; Membranes, Artificial
; Nitric Acid
; Porosity
; Radioactive Waste
; Recycling
; Water Pollutants, Chemical
; Water Purification
英文摘要: Recycling of acid from aqueous waste streams is highly important not only from the environmental point of view but also for developing the sustainable technology. One of the effective ways to recover acid from aqueous waste streams is the anion-exchange membrane based diffusion-dialysis. The work presents the synthesis and characterization of anion-exchange pore-filled membranes for the objective of recovery of high concentration of acid by diffusion dialysis. The membranes were prepared by anchoring the guest organic-inorganic anionic gel in the pores of the host poly(propylene) membrane by in situ UV-initiator induced polymerization of the appropriate monomers along with cross-linker. The removal of nitric acid in the presence of different representative monovalent, divalent and trivalent nitrates and the leakage of these ions through anion exchange membrane have been studied by DD technique for optimizing the chemical composition of the membrane. The nitric acid permeation rate of the membrane with the optimized composition has been found to be considerably faster than the commercial Selemion membrane without sacrificing salt leakage. The performance of the optimized pore-filled anion exchange membranes has been found to be independent of the acid concentration, nature of the anion and substrate and has been observed to be solely dependent on the guest inorganic-organic hybrid anionic gel component. The membranes have been found to be stable and reusable for the acid recovery. Removal of nitric acid as high as 90% from the simulated high level nuclear waste with the optimized grafted pore-filled membrane has been achieved with negligible salt transport. © 2018 Elsevier Ltd Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/112943
Appears in Collections: 气候减缓与适应
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作者单位: Radiochemistry Division, Bhabha Atomic Research Centre, Trombay, Mumbai, 400085, India; Department of Physics, Sungkyunkwan University, Suwon, South Korea
Recommended Citation:
Chavan V.,Agarwal C.,Adya V.C.,et al. Hybrid organic-inorganic anion-exchange pore-filled membranes for the recovery of nitric acid from highly acidic aqueous waste streams[J]. Water Research,2018-01-01,133