化工进展
化工進展
화공진전
CHEMICAL INDUSTRY AND ENGINEERING PROGRESS
2012年
11期
2442-2448
,共7页
低温甲醇洗%煤化工%甲醇%合成氨%合成天然气
低溫甲醇洗%煤化工%甲醇%閤成氨%閤成天然氣
저온갑순세%매화공%갑순%합성안%합성천연기
rectisol%coal chemical industry%methanol%synthesizing ammonia%synthetic natural gas
低温甲醇洗技术是利用冷甲醇作为溶剂,脱除CO2、H2S、COS等酸性气体的一种气体净化方法。由于其具有优异的酸性气体选择性、吸收性以及运行稳定性等特点,已在石油化工、煤化工、化肥工业等领域得到了广泛的应用。本文介绍了低温甲醇洗技术的特点及工业应用中存在的一些问题,综述了近年来低温甲醇洗技术在煤制甲醇、煤制合成氨、煤制天然气等煤化工领域的进展,并展望了低温甲醇洗技术的应用趋势：对于煤制甲醇,低温甲醇洗技术在合成气中CO2、H2S、COS等酸性气体的脱除具有独特优势;对于煤制合成氨,低温甲醇洗技术在粗煤气的净化和节能降耗方面具有重要意义;对于煤制天然气,低温甲醇洗技术在合成气脱除H2S、COS等净化处理方面具有很好的应用潜力。最后指出今后应着重于开发具有独立自主知识产权的国际一流水平的大型低温甲醇洗技术。
低溫甲醇洗技術是利用冷甲醇作為溶劑,脫除CO2、H2S、COS等痠性氣體的一種氣體淨化方法。由于其具有優異的痠性氣體選擇性、吸收性以及運行穩定性等特點,已在石油化工、煤化工、化肥工業等領域得到瞭廣汎的應用。本文介紹瞭低溫甲醇洗技術的特點及工業應用中存在的一些問題,綜述瞭近年來低溫甲醇洗技術在煤製甲醇、煤製閤成氨、煤製天然氣等煤化工領域的進展,併展望瞭低溫甲醇洗技術的應用趨勢：對于煤製甲醇,低溫甲醇洗技術在閤成氣中CO2、H2S、COS等痠性氣體的脫除具有獨特優勢;對于煤製閤成氨,低溫甲醇洗技術在粗煤氣的淨化和節能降耗方麵具有重要意義;對于煤製天然氣,低溫甲醇洗技術在閤成氣脫除H2S、COS等淨化處理方麵具有很好的應用潛力。最後指齣今後應著重于開髮具有獨立自主知識產權的國際一流水平的大型低溫甲醇洗技術。
저온갑순세기술시이용랭갑순작위용제,탈제CO2、H2S、COS등산성기체적일충기체정화방법。유우기구유우이적산성기체선택성、흡수성이급운행은정성등특점,이재석유화공、매화공、화비공업등영역득도료엄범적응용。본문개소료저온갑순세기술적특점급공업응용중존재적일사문제,종술료근년래저온갑순세기술재매제갑순、매제합성안、매제천연기등매화공영역적진전,병전망료저온갑순세기술적응용추세：대우매제갑순,저온갑순세기술재합성기중CO2、H2S、COS등산성기체적탈제구유독특우세;대우매제합성안,저온갑순세기술재조매기적정화화절능강모방면구유중요의의;대우매제천연기,저온갑순세기술재합성기탈제H2S、COS등정화처리방면구유흔호적응용잠력。최후지출금후응착중우개발구유독립자주지식산권적국제일류수평적대형저온갑순세기술。
Rectisol technology licensed by both Linde AG and Lurgi AG is a gas purification method of removing acid gases including CO2,H2S,COS,by using cold methanol as solvent.Because of its excellent properties of selectivity,absorbency and operation stability,rectisol technology has been used in many fields,such as petrochemical,coal chemical,chemical fertilizer industries.In order to get comprehensive understanding of Rectisol technology,in this paper the performance characteristics of Rectisol technology and its existing problems in industrial applications are introduced.The progress in applications of rectisol technology is summarized in the coal chemical industry,especially in the area of coal to methanol,coal to synthetic ammonia and coal to synthetic natural gas.In addition,the development trends of rectisol technology are also proposed.As for coal to methanol,rectisol technology has unique advantage in removing acid gas from the synthesis gas.As for coal to synthetic ammonia,it has great significance for energy saving and consumption reduction.As for coal to synthetic natural gas,it has also a good application potential in purification process,such as removing H2S,COS from the synthesis gas.In the future,attentionshould be paid to developing China's acid gas removal process with independent intellectual property right.
