双碳背景下的废盐制碱工艺研究进展  

Research progress in production of soda ash from spent salts under background of“carbon dioxide emissions peaking and carbon neutrality”

作　　者：曹俊雅[1] 张莉昕 罗晨辉 刘猛 田兴 宋恕哲 CAO Jun-ya;ZHANG Li-xin;LUO Chen-hui;LIU Meng;TIAN Xing;SONG Shu-zhe(School of Chemical&Environmental Engineering,China University of Mining&Technology(Beijing),Beijing 100083,China)

机构地区：[1]中国矿业大学(北京)化学与环境工程学院,北京100083

出　　处：《现代化工》2024年第4期40-44,共5页Modern Chemical Industry

基　　金：国家重点研发计划项目(2022YFC3701904);国家自然科学基金资助项目(41977029)。

摘　　要：综述了以卤盐和硫酸盐废盐为原料制碱的工艺路线及进展,对比分析不同废盐制碱工艺的现状和潜在问题。卤盐制碱工艺相对成熟,但仍然存在能耗较高和流程复杂等不足;利用硫酸盐制碱为废盐制碱提供了一条新思路,可与碳利用相结合,使生产过程更经济、更清洁,促进双碳目标的实现。总结并展望以硫酸钠和CO_(2)为原料制碱的发展前景。The process routes and progress for soda ash production using brine and spent sulfates as raw materials are reviewed,and the current situation and potential problems of different spent salts to soda ash production processes are compared and analyzed.The brine to soda ash production process is relatively mature,but there are still shortcomings such as high energy consumption and complex process.Using sulfates to produce soda ash provides a new idea for spent salts to soda ash,which can be combined with carbon dioxide utilization to make the production process more economical and cleaner,and promote the achievement of“carbon dioxide emission peaking and carbon neutrality”goal.The development prospects are proposed for soda ash production using sodium sulfate and CO_(2) as raw materials.

关 键 词：CO_(2) 硫酸钠 废盐 纯碱 

分 类 号：TQ115[化学工程—无机化工]