以PAC为原料制备锂吸附剂及其吸附性能的研究
收稿日期: 2019-08-10
网络出版日期: 2020-02-26
基金资助
国家自然科学基金(21471157);青海省科技厅应用基础研究项目(2017-Zj-726);2015年西部之光A类项目(Y610081035)
Preparation of lithium adsorbent from PAC and its adsorption properties
Received date: 2019-08-10
Online published: 2020-02-26
张文丁 , 邓小川 , 朱朝梁 , 樊发英 , 张毅 , 卿彬菊 . 以PAC为原料制备锂吸附剂及其吸附性能的研究[J]. 无机盐工业, 2020 , 52(2) : 12 -16 . DOI: 10.11962/1006-4990.2019-0190
The adsorbent prepared with poly aluminum chloride（PAC） as raw material was studied.Under the optimal condi-tions,the maximum adsorption capacity of the adsorbent was 6.1 mg/g,and the pH of the suitable adsorption solution was at 3~5.Results showed that the absorbent had good selectivity on the Li-Ca system,the lithium ions and calcium ions were sep-arated very well,and the desorption rate reached 40.58%.The research on adsorption mechanism showed that the structure of the adsorbent did not change significantly before and after adsorption.During the adsorption and desorption process,lithium ions were intercalated and desorbed,and the intercalation and deintercalation were because of the ion exchange between lithium ions and hydrogen ions.
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