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金属学报  1994, Vol. 30 Issue (24): 527-531    
  论文 本期目录 | 过刊浏览 |
从溶剂萃取反向胶团合成优质ZrO_2超细粉
杨传芳;陈家镛
中国科学院化工冶金研究所
PREPARATION OF HIGH QUALITY ULTRAFINE ZrO_2 POWDER WITH REVERSED MICELLAR SOLUTION FROM SOLVENT EXTRACTION
YANG Chuanfang; CHEN Jiayong(Institute of Chemical Metallurgy; Chinese Academy of Sciences; Beijing)
引用本文:

杨传芳;陈家镛. 从溶剂萃取反向胶团合成优质ZrO_2超细粉[J]. 金属学报, 1994, 30(24): 527-531.
, . PREPARATION OF HIGH QUALITY ULTRAFINE ZrO_2 POWDER WITH REVERSED MICELLAR SOLUTION FROM SOLVENT EXTRACTION[J]. Acta Metall Sin, 1994, 30(24): 527-531.

全文: PDF(321 KB)  
摘要: 提出了结合化工单元操作-溶剂萃取,实现金属氧化物超细粉制备的新方法,选择磷酸三丁酯(TBP)-煤油-盐酸的工业化萃Zr体系,实验确定了反向胶团溶液形成的条件,即高酸度及相对较高的萃取金属离子浓废,并以氨水为沉淀剂使之与反向胶团溶液反应,将沉淀物洗涤干燥焙烧,得到粒径10nm单分散的ZrO_2粉
关键词 超细粉二氧化锆萃取反向胶团    
Abstract:A new method for synthesizing ultrafine metal oxide powders was presented in combination with solvent extraction. The extraction system used for Zr in HCl solution was selected based on industrial practice with tri-n-butyl phosphate(TBP) as extractant and kerosene as diluent. Conditions used to obtain reversed micellar solution were experimentally determined, i.e. high aqueous acidity and relatively high metal ion concentration. The micellar solution was then used to react with aqueous ammonia to produce precipitate followed by washing, drying and calcining of the precipitate, monodispersed ZrO_2 powders with an average diameter of 10 nm were obtained.
Key words ultrafine powder    zirconia    reversed micelle    solvent extraction
    
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