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Selective adsorption of Au 3+ from aqueous solutions using persimmon powder‐formaldehyde resin

A new adsorption resin has been developed by immobilizing persimmon powder with formaldehyde, and its adsorption properties to Au were investigated in detail. The resin exhibited outstanding selective adsorption capacity towards Au from acidic aqueous solutions (pH 2.0), which the equilibrium adsorp... Full description

Journal Title: Journal of Applied Polymer Science 15 December 2013, Vol.130(6), pp.3937-3946
Main Author: Xie, Feng
Other Authors: Fan, Zaijun , Zhang, Qinglin , Luo, Zhengrong
Format: Electronic Article Electronic Article
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ID: ISSN: 0021-8995 ; E-ISSN: 1097-4628 ; DOI: 10.1002/app.39521
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recordid: wj10.1002/app.39521
title: Selective adsorption of Au 3+ from aqueous solutions using persimmon powder‐formaldehyde resin
format: Article
creator:
  • Xie, Feng
  • Fan, Zaijun
  • Zhang, Qinglin
  • Luo, Zhengrong
subjects:
  • Adsorption
  • Biopolymers And Renewable Polymers
  • Resins
  • Recycling
ispartof: Journal of Applied Polymer Science, 15 December 2013, Vol.130(6), pp.3937-3946
description: A new adsorption resin has been developed by immobilizing persimmon powder with formaldehyde, and its adsorption properties to Au were investigated in detail. The resin exhibited outstanding selective adsorption capacity towards Au from acidic aqueous solutions (pH 2.0), which the equilibrium adsorption capacity was high up to 3025.20 mg g at 323 K. The resin exhibited 100% adsorption of Au within 8 h, and the experimental data were well fitted with the pseudo‐first/second‐order rate model. The adsorption isotherms could be well described by Freundlich equation. The column studies suggested that the resin was effective for the adsorption of Au from aqueous solutions, and the loaded Au could be easily desorbed by acidic thiourea solution. The adsorption of Au was an endothermic reductive adsorption process. This suggested that the resin can be used as an active biosorbent for the recovery of Au from aqueous environment. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 3937–3946, 2013
language:
source:
identifier: ISSN: 0021-8995 ; E-ISSN: 1097-4628 ; DOI: 10.1002/app.39521
fulltext: fulltext
issn:
  • 0021-8995
  • 00218995
  • 1097-4628
  • 10974628
url: Link


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titleSelective adsorption of Au 3+ from aqueous solutions using persimmon powder‐formaldehyde resin
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descriptionA new adsorption resin has been developed by immobilizing persimmon powder with formaldehyde, and its adsorption properties to Au were investigated in detail. The resin exhibited outstanding selective adsorption capacity towards Au from acidic aqueous solutions (pH 2.0), which the equilibrium adsorption capacity was high up to 3025.20 mg g at 323 K. The resin exhibited 100% adsorption of Au within 8 h, and the experimental data were well fitted with the pseudo‐first/second‐order rate model. The adsorption isotherms could be well described by Freundlich equation. The column studies suggested that the resin was effective for the adsorption of Au from aqueous solutions, and the loaded Au could be easily desorbed by acidic thiourea solution. The adsorption of Au was an endothermic reductive adsorption process. This suggested that the resin can be used as an active biosorbent for the recovery of Au from aqueous environment. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 3937–3946, 2013
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titleSelective adsorption of Au 3+ from aqueous solutions using persimmon powder‐formaldehyde resin
descriptionA new adsorption resin has been developed by immobilizing persimmon powder with formaldehyde, and its adsorption properties to Au were investigated in detail. The resin exhibited outstanding selective adsorption capacity towards Au from acidic aqueous solutions (pH 2.0), which the equilibrium adsorption capacity was high up to 3025.20 mg g at 323 K. The resin exhibited 100% adsorption of Au within 8 h, and the experimental data were well fitted with the pseudo‐first/second‐order rate model. The adsorption isotherms could be well described by Freundlich equation. The column studies suggested that the resin was effective for the adsorption of Au from aqueous solutions, and the loaded Au could be easily desorbed by acidic thiourea solution. The adsorption of Au was an endothermic reductive adsorption process. This suggested that the resin can be used as an active biosorbent for the recovery of Au from aqueous environment. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 3937–3946, 2013
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abstractA new adsorption resin has been developed by immobilizing persimmon powder with formaldehyde, and its adsorption properties to Au were investigated in detail. The resin exhibited outstanding selective adsorption capacity towards Au from acidic aqueous solutions (pH 2.0), which the equilibrium adsorption capacity was high up to 3025.20 mg g at 323 K. The resin exhibited 100% adsorption of Au within 8 h, and the experimental data were well fitted with the pseudo‐first/second‐order rate model. The adsorption isotherms could be well described by Freundlich equation. The column studies suggested that the resin was effective for the adsorption of Au from aqueous solutions, and the loaded Au could be easily desorbed by acidic thiourea solution. The adsorption of Au was an endothermic reductive adsorption process. This suggested that the resin can be used as an active biosorbent for the recovery of Au from aqueous environment. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 3937–3946, 2013
doi10.1002/app.39521
pages3937-3946
date2013-12-15