乳液和面霜的区别专利名称：Process for the recovery of electrochemical cells
发明人：MORTH, WOLFGANG,LAZAR,
GERHARD,WALTER, HANS
烤鸡肠申请号：EP82890094.4蜡笔小新高清图片
罐子图片申请日：19820625
公开号：EP0069117B1鲈鱼怎样清蒸好吃
公开日：
19851121
专利内容由知识产权出版社提供
摘要：1. Process for the recovery of spent electrochemical cells, particularly mixed kinds and particularly button cells, among which there are included high energy cells containing mercury and/or cadmium, comprising an acid treatment with HNO3 and filtering the liquid, characterid in that the delivered cells are disintegrated thermally or mechanically, wherein for thermal disintegration the cells are treated at temperatures of from 500 to 600 degrees C in a reducing furnace atmosphere and mercury is collected as distillate, or for mechanical disintegration the cells are supercooled to at least - 150 degrees C and thereafter are crushed mechanically, that thereupon the acid treatment is carried out with diluted HNO3 and mercury is parated by evaporation or electrolysis, cadmium is parated by electrolysis and, after paration of undissolved matter, silver is precipitated in the form of AgCl and parated.
申请人：VOEST-ALPINE AKTIENGESELLSCHAFT
地址：Friedrichstras 4 A-1011 Wien AT
国籍：AT
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代理机构：Kretschmer, Adolf 更多信息请下载全文后查看掌纹很乱
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