目前，我國大型石油化工廠、化肥廠、天然氣凈 化廠須進行脫硫及制硫。N-胺簡稱 ，是一種新興的脫硫、脫碳溶劑，20世紀70年 代國外已開始在工業上應用，80年代國內相繼完成 了脫硫和脫碳工業化試驗，90年代后期在工業上應 用，到本世紀初國內已獲得廣泛推廣。MDEA由一 甲胺和環氧乙烷反應而得。

2.1 hechengfanying

yijiaanhehuanyangyiwanfenbiejilianghou，jinruhunheqihun he，zai6.3 mpahe135 ℃tiaojianxiafanyingzhihou，jinxingjuhe fanying。fanyingchuqi，fanyingxuyaodereliangyouzhengqizhijiejinru fanyingqidibu。fanyingguochengzhong，wuliaofanyingchanshengdedaliangre lianghuishifanyingwendujijushangsheng，weileweichifanyingwendubu bian，liyongfanyingqidechukouchuwenduhefanyingqineideqixiangwen du，duifanyingqidingbulengqueqidexunhuanshuiliangjinxingkongzhi。

2.2 tuoan

fanyingwujinrutuoanta，dabufenweifanyingdeyijiaancong tadingbuchulai，jingtadinglengningqilengquehouxunhuanshiyong。tuoan tadibudeanyezhiyicishanzhengta。

2.3 shanzheng

congtuoantachulaidefanyingwuzaiyicishanzhengtanei，shanzheng chubufenyijiaan，zaijingtadinglengningqilengquehoujinruercixi shouta，congyicishanzhengtadibuchulaideyetijinruercishanzhengta，jiangweifanyingdeyijiaanshanzhengchulai。

2.4 xishou

ercishanzhengtatadingchulaideqiti，jinruyicixishouta xiabu，yongchuliutadeyibufenqingzufenzuoxishouyejinxingxi shou。yicixishoutafuchulaideyetijinruercixishoutazuo weixishouye。yicishanzhengtatadingchulaideqixiangjinglengquehou， jinruercixishoutaxiabu，yongyicixishoutadichulaidexishou yejinxingxishou。ercixishoutatadingchulaideqiti，jinxingwei qichulipaifang。

2.5 chuliu

congercishanzhengtadibuchulaifanyingchanwu，jinruchuliuta zhongbu，tadingzhengchuqingzufenanqiti，zaijingtadinglengningqileng quehou，fenlianglu，yilusongdaotadingbuzuoweichuliutadetading huiliuye，lingyilusongzhiyicixishoutazuoxishouyeshiyong。chu liusuoxuyaodereliangyouchuliutadizaifeiqiyongzhengqijiarelai gonggei。chuliutadezhenkongxitongyouchuliutadezhenkongbengjizu chouzhenkong。

2.6 jingliu

tuoquqingzufendefanyingchanwucongchuliutatadichulai，jing jingliutajinliaobengchouchusongzhijingliutazhongbu，tongguojingliuzuoyong，congtadingchulaideqitijingjingliutadinglengningqiyongxunhuanshui lengquehou，fenlianglu，yilusongzhijingliutadingbuzuoweijingliuta dehuiliuye，lingyiluzuoweizhuangzhidezhuyaochanpin。jingliusuoxu dereliangyongjingliutadizaifeiqiyongzhengqijiaregonggei。congta dichulaidezhongzufenjingjingliutadicao，tongguocanyeshusongbengsong zhicanyeshoucao。