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酸性廢氣脫硫工藝中N-甲基二乙醇胺降解反應(yīng)產(chǎn)物的研究
摘要: 對用MDEA從甲醇酸性尾氣中回收H2S裝置中出現(xiàn)的胺液降解的現(xiàn)象進行了研究。通過氣相色譜-質(zhì)譜對降解產(chǎn)物結(jié)構(gòu)進行了表征,提出了MDEA的降解反應(yīng)機理。結(jié)果表明MDEA的降解主要為MDEA與CO2和H2O的反應(yīng)。由于甲醇、氧和HCN等的存在,更加劇了MDEA降解發(fā)生,文中提出了相應(yīng)的抑制措施。 Abstract: The structure of degradation product of amine solutions, which existed in the devices of H2S recovery from the methanol acid waste gas was studied. According to GC-MS, the mechanism of the MDEA degradation reaction was proposed. The results showed that the reaction of carbon dioxide, water with MDEA accelerates the degradation of MDEA because of the existence of methanol、oxygen and hydrocyanic acid etc. Some inhibitory was measured to prevent the degradation of MDEA. 作 者: 葉慶國 張書圣 YE Qing-guo ZHANG Shu-sheng 作者單位: 青島化工學(xué)院制藥與化工學(xué)院, 期 刊: 高校化學(xué)工程學(xué)報 ISTICEIPKU Journal: JOURNAL OF CHEMICAL ENGINEERING OF CHINESE UNIVERSITIES 年,卷(期): 2001, 15(1) 分類號: X701 關(guān)鍵詞: MDEA 降解機理 抑制措施【酸性廢氣脫硫工藝中N-甲基二乙醇胺降解反應(yīng)產(chǎn)物的研究】相關(guān)文章:
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