文献类型：期刊文献

中文题名：含锗烟尘的硫酸浸出工艺研究

英文题名：Study on Leaching Process of Germanium Fly Ash with Sulfuric Acid

作者：郑东升 肖松 梁杰

第一作者：郑东升

机构：[1]昆明理工大学冶金与能源工程学院;[2]贵州理工学院

第一机构：昆明理工大学冶金与能源工程学院,云南昆明650093

年份：2012

卷号：39

期号：6

起止页码：1-5

中文期刊名：云南化工

外文期刊名：Yunnan Chemical Technology

基金：云南省科技厅应用基础研究计划项目(2011FZ073)

语种：中文

中文关键词：烟尘;浸出;锗;硫酸

外文关键词：germanium fly ash; leaching; Germanium

摘要：为简化含锗烟尘浸出过程,提出一段硫酸浸出工艺。浸出工艺条件为:浸出温度90℃,初始硫酸质量浓度120 g/L,液固比8 mL/g,浸出时间2.5 h,搅拌转速120 r/min。在该条件下,锌、锗浸出率分别为99.1%和87.61%左右,最终硫酸质量浓度约34.80 g/L。去除不溶性锗后,锗浸出率可达到97.21%。
To simplify the leaching process of germanium fly ash, the one stage sulfuric acid leaching process was studied. The result shows the leaching processing as following： leaching temperature 90℃ initial sulfuric acid concentration 120 g/L, ratio of hquid to solid 5 mL/g, leaching time 2 h, and mixing speed 120 r/min. Under these conditions, the leaching rates of Zn and Ge were about 99.1% and 87.61%, and the concentration of end acid is about 34.80 g/L, and by removal of insoluble germanium, the leaching rate of Germanium could be about 97.21%. Zinc and Germanium can be effectively leached from Germanium fly ash in the leaching process, and the leaching technique is effective and stable.