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["甲醇に窒素が含まれていますか?どのような形で存在していますか?",,"甲醇に窒素が含まれていますか?どのような形で存在していますか? 甲醇中のNH4-Nはどのように分析しますか?",,"某企业以甲醇为原料生产甲醚,甲醚精馏废水含有NH4-N,达到550ppm左右。哪来的氨?",,"甲醚反应器入口の触媒に焦着現象が発生しています",,"反応器床層圧力も上 upp.1aMPa"]

2020-05-18View Original

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甲醇中是否含有氨?以何种形式存在? 甲醇中NH4-N如何分析?
Reply #22020-05-18
某企业以甲醇为原料生产二甲醚,二甲醚精馏废水含有NH4-N,达到500ppm左右。哪来的氨?
Reply #32020-05-19
二甲醚反应器入口催化剂有结焦现象出现
Reply #42020-05-19
反应器床层压差也升高0.2MPa

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