GOLD ION ADSORBENT, METHOD FOR ADSORBING GOLD ION, GOLD RECOVERING AGENT AND METHOD FOR RECOVERING GOLD

• Main Authors: HIROTA KOICHI, DURGA PARAJULI
• Format: Patent
• Language: English
• Published: 21.10.2010
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; FERROUS OR NON-FERROUS ALLOYS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

PROBLEM TO BE SOLVED: To provide a gold ion adsorbent, a method for adsorbing gold ions, a gold recovering agent and a method for recovering gold by which gold can be efficiently recovered from abandoned electric and electronic parts or the like at a low cost and further which give the environment consideration. SOLUTION: The gold ion adsorbent is a wood chip made from cedar. Preferably the gold ion adsorbent is the wood chip having particle size of ≤1 mm. COPYRIGHT: (C)2011,JPO&INPIT