Recovery of Gold from Bromide Solution by Pomegranate Peel
Received:April 05, 2021  Revised:April 30, 2021
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DOI:doi:10.3969/j.issn.1007-7545.2021.09.009
KeyWord:potassium bromide; pomegranate peel; gold; biosorption
                       
AuthorInstitution
WANG Jiang-ting 中钢设备有限公司,市政工程部
QIU Hao-yi 北京科技大学,冶金与生态工程学院,海淀区学院路30号
SUO Jin-liang 北京科技大学,冶金与生态工程学院,海淀区学院路30号
SHENG Yong 北京科技大学,冶金与生态工程学院,海淀区学院路30号
GAO Sheng-ya 北京科技大学,冶金与生态工程学院,海淀区学院路30号
CHEN Long-yi 北京科技大学,冶金与生态工程学院,海淀区学院路30号
ZHU Jia-jun 北京科技大学,冶金与生态工程学院,海淀区学院路30号
HUANG Kai 北京科技大学
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Abstract:
      Chemical extraction of gold by traditional cyanide leaching process was toxic and dangerous, and therefore the development of non-cyanide leaching process was quite important in industry. Bromide salt had been studied to leach and recover gold for many years, while how to enrich the trace concentration of gold from bromide solution was a big challenge. In present study, pomegranate peel was proposed as biosorbent to extract gold from solution, and main parameters like pH value, contact time, temperature, bromide concentration on extraction of gold were investigated. The results is beneficial to improvement gold extraction from bromide solution system.
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