提金活性炭吸附材料的制备与研究现状

活性炭因具有优异的吸附性能和来源广泛等特点,在黄金工业提金工艺生产中得到广泛应用.总结了提金活性炭制备材料、结构性能的研究现状,介绍了活性炭的制备方法及活化手段,其中活化手段主要分为物理活化法、化学活化法和物理-化学联合活化法,且化学活化法效果最佳、应用最为广泛.阐述了氰化浸金体系和非氰浸金体系提金活性炭的应用现状及新...

Preparation of activated carbon adsorption materials for gold extraction and its research status

Due to the excellent adsorption performance and wide sources of activated carbon,it is widely applied in the gold extraction process in gold industry.The research status of the preparation,structure and performance of activated carbon materials for gold extraction is summarized.The preparation methods and activation methods of activated carbon are introduced.The activation methods mainly in clude physical activation,chemical activation and physical-chemical activation.The chemical activation has the best performance and is most widely used.At the same time,the application status of activated carbon for gold extraction in cyanide leaching system and non-cyanide leaching system and the application of new carbon adsorption materials in gold extraction process are described.Analysis and prospects are conducted from the aspects of universality,source,selective adsorption effect and mechanical strength of gold extraction activated carbon.