活性炭吸附痕量银的研究  

STUDY ON THE ADSORPTION OF TRACE SILVER BY ACTIVATED CARBON

作　　者：蒋婷[1] 施荫锐[1] 华锦媛 

机构地区：[1]中国林业科学研究院林产化学工业研究所

出　　处：《林产化学与工业》1996年第2期49-53,共5页Chemistry and Industry of Forest Products

基　　金：中国林科院基金

摘　　要：在静态、动态吸附条件下，分别选用果壳类净水用活性炭和煤质净水用活性炭对胶片工业废水中的痕量银的吸附行为进行了研究．结果表明，废水中的银浓度可降至＜５０ｐｐｂ，活性炭对银的吸附量达到３～５ｍｇ／ｇ．微孔发达的活性炭更适于吸附废水中的痕量银．随着银液浓度的升高，银液量增大，活性炭吸附能力增加．银液的最佳吸附ｐＨ值是５．Under static and dynamic conditions,adsorption of trace silver in waste water from-film industry by two kinds of water purification activated carbon from fruit shells and coal was studied. The results showed that after adsorption by activated carbon ,silver content in the waste water was lower than 50 ppb,adsorption capacity of activated carbon for silver reached 3～5 mg/g. Activated carbon with more micropores is better. With the increase of silver content and amount of silver solution ,the adsorption capacity of activated carbon also increases.The optimum pH of waste water solution was 5.

关 键 词：活性炭 银 吸附 胶片 感光材料 废水处理 

分 类 号：X789.03[环境科学与工程—环境工程]