一种制碱用精制液体盐联产固体盐和无水硝的新工艺  

A New Process for Coproduction of Refined Salt and Anhydrous Sodium Sulfate with Refined Liquid Salt for Caustic Soda Production

作　　者：赵营峰 冷翠婷 朱旭初 陈留平 ZHAO Ying-feng;LENG Cui-ting;ZHU Xu-chu;CHEN Liu-ping(China Salt Jintan Salt Chemical Co.,Ltd.,Changzhou 213200,China)

机构地区：[1]中盐金坛盐化有限责任公司,江苏常州213200

出　　处：《盐科学与化工》2021年第5期32-35,共4页Journal of Salt Science and Chemical Industry

摘　　要：根据两碱法、石灰烟道气法净化工艺的适用范围,分析制盐、制碱行业液体盐精制工艺的异同,采用先进的膜与MVR制盐耦合技术,提出了一种制碱用精制液体盐联产精制盐和无水硝的制备新工艺,该工艺具有节本增效,节能降耗的优势。According to the application scope of two-alkali process and lime flue gas purification process, this article analyzed the similarities and differences of refining process of liquid salt in salt and alkali industry, using advanced membrane and MVR coupling technology, a new preparation process of refined liquid salt combined with refined salt and anhydrous nitrate was proposed, the process has the advantages of saving cost, increasing efficiency, saving energy and reducing consumption.

关 键 词：原卤 石灰烟道气法 净化 超滤 纳滤 MVR制盐 

分 类 号：TS39[轻工技术与工程]