腐植酸碱溶酸析沉淀絮体吸附铁的研究  

Study on adsorption of iron by humic acid and alkali-soluble precipitation floc

作　　者：张宵宁 邓宇喆 黄雪莉[1] 高歌[1] 胡子昭[1] 王雪枫[1] ZHANG Xiao-ning;DENG Yu-zhe;HUANG Xue-li;GAO Ge;HU Zi-zhao;WANG Xue-feng(Key Laboratory of Cleaner Transition of Coal & Chemicals Engineering of Xinjiang,College of Chemical Engineering,Urumqi 830046,China;Dadi Engineering Development (Group) Co.,Ltd.,Tianjin Branch,Tianjin 300381,China)

机构地区：[1]新疆煤炭洁净转化与化工过程重点实验室,新疆大学化学化工学院,新疆乌鲁木齐830046 [2]大地工程开发(集团)有限公司天津分公司,天津300381

出　　处：《应用化工》2021年第1期130-133,138,共5页Applied Chemical Industry

基　　金：新疆维吾尔自治区高校科研计划资助项目(XJEDU2017M003)。

摘　　要：在水浴环境下通过碱溶酸析方法获得腐植酸絮体,考察了腐植酸絮体使用量、pH、温度、时间对絮体腐植酸吸附Fe(Ⅲ)的影响。结果表明,最佳吸附条件为:腐植酸絮体使用量为0.1 g,pH=6,T=40℃,t=3 h,吸附铁量达到11.80 mg/g,远高于直接使用固体腐植酸吸附文献值0.79 mg/g。Humic acid flocs can be obtained by alkali dissolution and acid precipitation in a water bath.The effects of humic acid usage,pH,temperature,and time on the adsorption of Fe(Ⅲ)by floc humic acid were investigated.The result showed that the optimal adsorption conditions were obtained:the humic acid usage was 0.1 g,pH=6,T=40℃,t=3 h,the amount of adsorbed iron reached 11.80 mg/g,which is much higher than the value of 0.79 mg/g in the literature of direct use of solid humic acid.

关 键 词：腐植酸 絮状 铁 固体 

分 类 号：TQ536.9[化学工程—煤化学工程]