LO-CAT硫回收工艺铁离子流失研究  

STUDY ON FERRIC ION LOSS IN LO-CAT SULPHUR RECOVERY PROCESS

作　　者：范旭 王相平[1] 李志强 许冬亮[1] 王孟[1] 牛建伟 王建宇 Fan Xu;Wang Xiangping;Li Zhiqiang;Xu Dongliang;Wang Meng;Niu Jianwei;Wang Jianyu(CHNG(Tianjin)Coal Gasification and Power Generation Co.,Ltd.,Tianjin 300452)

机构地区：[1]华能(天津)煤气化发电有限公司,天津300452

出　　处：《大氮肥》2023年第5期289-295,共7页Large Scale Nitrogenous Fertilizer Industry

摘　　要：为了增强煤气化硫回收系统LO-CAT溶液稳定性,提高硫化氢排放的达标率,进而加强对环境的保护,以IGCC电厂实际生产为例,进行了相应的机理分析及试验论证,对LO-CAT硫回收工艺应用中铁离子流失的原因进行了分析研究,思考了如何将该技术更加科学有效地加以应用,并提出了具体的方法和措施。In order to improve the stability of LO-CAT solution in Sulphur recovery system in coal gasification plant,reduce the emission of hydrogen sulfide,and reinforce the environmental protection,an IGCC power generation plant was taken as an example to find the reason of ferric ion loss after studying its mechanism and taking the verifying experiment.How to use this technology more scientifically and effectively was considered,and practical method and solutions were presented.

关 键 词：硫回收 铁离子 螯合剂 氰根 硫氰根 自循环 

分 类 号：X784[环境科学与工程—环境工程] TQ125.11[化学工程—无机化工]