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发明名称
一种用钾矿石制取硫酸钾的新工艺
摘要
本发明公开了一种以钾长石(分子式为K<SUB>2</SUB>O·Al<SUB>2</SUB>O<SUB>3</SUB>·6SiO<SUB>2</SUB>)或富钾的硅铝酸盐矿物原料,采取高温下,钾钠基团置换法,与硫酸钠反应,制取硫酸钾的新工艺,由于采用钾矿石为原料,而节省了大量的氯化钾原料,而且具有反应容易,工艺流程简单,设备投资少等优点,所制取的硫酸钾中K<SUB>2</SUB>O含量达50%以上,符合国家标准。
申请公布号
CN1259487A
申请公布日期
2000.07.12
申请号
CN98112718.5
申请日期
1998.11.09
申请人
裴敬
发明人
裴敬
分类号
C01D5/06
主分类号
C01D5/06
代理机构
代理人
主权项
1.一种硫酸钾的制备工艺,其特征在于:采用钾长石(分子式为K2O·Al2O3·6SiO2)或富钾的硅铝酸盐矿物为原料,经高温焙烧,与硫酸钠进行钾钠基团置换,而制取硫酸钾的工艺。
地址
414003湖南省岳阳市洞庭氮肥厂离退处
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