NDLI: Gold recovery using inherently conducting polymer coated textiles

Content Provider	Springer Nature Link
Author	Tsekouras, George Ralph, Stephen F. Price, William E. Wallace, Gordon G.
Copyright Year	2004
Abstract	The ability of inherently conducting polymer (ICP) coated textiles to recover gold metal from aqueous solutions containing [AuCl$_{4}$]$^{−}$ was investigated. Nylon-lycra, nylon, acrylic, polyester and cotton were coated with a layer of polypyrrole (PPy) doped with 1,5-naphthalenedisulfonic acid (NDSA), 2-anthraquinonesulfonic acid (AQSA) orp-toluenesulfonic acid (pTS). Textiles coated with polyaniline (PAn) doped with chloride were also used. The highest gold capacity was displayed by PPy/NDSA/nylon-lycra, which exhibited a capacity of 115 mg Au/g coated textile, or 9700 mg Au/g polymer. Varying the underlying textile substrate or the ICP coating had a major effect on the gold capacity of the composites. Several ICP coated textiles recovered more than 90% of the gold initially present in solutions containing 10 ppm [AuCl$_{4}$]$^{−}$ and 0.1 M HCl in less than 1 min. Both PPy/NDSA/nylon-lycra and PAn/Cl/nylon-lycra recovered approximately 60% of the gold and none of the iron present in a solution containing 1 ppm [AuCl$_{4}$]$^{−}$, 1000 ppm Fe$^{3+}$ and 0.1 M HCl. The spontaneous and sustained recovery of gold metal from aqueous solutions containing [AuCl$_{4}$]$^{−}$ using ICP coated textiles has good prospects as a potential future technology.
Starting Page	1
Ending Page	5
Page Count	5
File Format	PDF
ISSN	12299197
Journal	Fibers and Polymers
Volume Number	5
Issue Number	1
e-ISSN	18750052
Language	English
Publisher	The Korean Fiber Society
Publisher Date	2004-01-01
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gold recovery Conducting polymer Textiles Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering Polymers and Plastics

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