高等学校化学学报 ›› 1996, Vol. 17 ›› Issue (8): 1195.

• 论文 • 上一篇    下一篇

EMD的离子交换行为及其离子筛法提取锂的研究

张碧泉, 黄垂权   

  1. 福建师范大学化学系, 福州 350007
  • 收稿日期:1995-07-05 出版日期:1996-08-24 发布日期:1996-08-24
  • 通讯作者: 张碧泉,男,54岁,副教授.
  • 作者简介:张碧泉,男,54岁,副教授.
  • 基金资助:

    福建省科学技术委员会基金

Studies on Ionic-exchange Behaviour of EMD and Selective Adsorption of Lithium Ions by EMD Ionic-sieve Method

ZHANG Bi-Quan, HUANG Chui-Quan   

  1. Department of Chemistry, Fujian Normal University, Fuzhou 350007
  • Received:1995-07-05 Online:1996-08-24 Published:1996-08-24

摘要: 采用碳电极,在90~95℃范围内电解氯化锰溶液,制得纤维态电解二氧化锰,该样品对于氯化物溶液中的单种或混合阳离子具有交换性质。研究结果表明,以该样品为基体所制得的锂型离子筛,可用于从海水中提取微量锂,90%的锂被选择交换。

关键词: 二氧化锰, 电解二氧化锰, 离子筛

Abstract: Fibrous electrolytic manganese dioxide(EMD) was prepared from manganous chloride solution by electrolyzing at 90~95℃with graphite anode, EMDhas the exchange properties with cations in aqueous chloride solutions,Alithium type ionic-sieve made from EMDsubstrate may be used for selective adsorption of trace lithium from sea water with an efficiency of about 90% yield.

Key words: Manganese dioxide, Electrolytic manganese dioxide, Ionic-sieve

TrendMD: