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Recovery of gold cyanide using inherently conducting polymers
Author(s) -
Ding Jie,
Price William E,
Ralph Stephen F,
Wallace Gordon G
Publication year - 2003
Publication title -
polymer international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.592
H-Index - 105
eISSN - 1097-0126
pISSN - 0959-8103
DOI - 10.1002/pi.992
Subject(s) - cyanide , polymer , polypyrrole , materials science , copper , dopant , conductive polymer , chemical engineering , polymer chemistry , nanotechnology , inorganic chemistry , chemistry , polymerization , doping , metallurgy , composite material , optoelectronics , engineering
Removal of gold from basic solutions containing [Au(CN) 2 ] − has been demonstrated using the inherently conducting polymer polypyrrole. Polymers containing sulfonated aromatic dopants have been found to display a significant ability to remove gold from such solutions. Experiments performed in solutions containing both gold and copper cyanide complexes indicate that the recovery process is not highly selective. However, the polypyrroles used display significantly faster rates of gold recovery than activated carbon. © 2003 Society of Chemical Industry