CN103058436B - 一种降低尿素工艺冷凝液中氨氮含量的方法 - Google Patents
一种降低尿素工艺冷凝液中氨氮含量的方法 Download PDFInfo
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- CN103058436B CN103058436B CN201210572896.1A CN201210572896A CN103058436B CN 103058436 B CN103058436 B CN 103058436B CN 201210572896 A CN201210572896 A CN 201210572896A CN 103058436 B CN103058436 B CN 103058436B
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CN201210572896.1A CN103058436B (zh) | 2012-12-25 | 2012-12-25 | 一种降低尿素工艺冷凝液中氨氮含量的方法 |
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CN103058436A CN103058436A (zh) | 2013-04-24 |
CN103058436B true CN103058436B (zh) | 2014-01-08 |
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CN111995105A (zh) * | 2020-07-22 | 2020-11-27 | 华南理工大学 | 一种尿素解吸废液氨氮减排及废水回用设备及使用方法 |
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JPS5352274A (en) * | 1976-10-25 | 1978-05-12 | Mitsui Toatsu Chem Inc | Treating method for aqueous solution containing urea, ammonia and carbondioxide |
US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
KR100398799B1 (ko) * | 2001-04-04 | 2003-09-19 | 한화석유화학 주식회사 | 질소 함유 유기물을 포함하는 폐수의 처리공정 |
CN1219704C (zh) * | 2003-10-31 | 2005-09-21 | 刘金成 | 一种含尿素废液回收工艺 |
CN2835227Y (zh) * | 2005-07-15 | 2006-11-08 | 宁波远东化工科技有限公司 | 合成氨、尿素废液低压处理装置 |
DE102005033837B4 (de) * | 2005-07-20 | 2019-02-28 | Basf Se | Verfahren zum Entfernen von sauren Gasen und Ammoniak aus einem Fluidstrom |
CN100400430C (zh) * | 2006-05-18 | 2008-07-09 | 刘国胜 | 尿素工艺冷凝液节能净化回收工艺 |
CN201545718U (zh) * | 2009-11-02 | 2010-08-11 | 河南心连心化肥有限公司 | 尿素工艺冷凝液处理装置 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: China Blue Chemical Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Tianye Chemical Industry Co., Ltd., China National Offshore Oil Corp. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: China Blue Chemical Ltd. Patentee before: China National Offshore Oil Corporation Co-patentee before: Tianye Chemical Industry Co., Ltd., China National Offshore Oil Corp. |
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Granted publication date: 20140108 Termination date: 20181225 |