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coolfishecho鐵桿木蟲 (小有名氣)
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[求助]
空速計(jì)算方法,mol%和流量轉(zhuǎn)化方法
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外行向各位專家請教: journal of catalysis 228(2004) 311-320的文獻(xiàn)給出如下的測試條件: The catalytic test was performed with a fixed-bed flow microreactor in the temperature range 373–423 K under the reaction conditions of GHSV =1200 ml /h·gcat and CO/CH3OH/O2/N2=72/16/4/8 (mol%) at 1.0 MPa. The mixture was regulated by mass-flow controllers. Methanol was introduced to the flow reactor by bubbling CO/N2/O2 mix gas through a stainless-steel saturator filled with methanol at a controlled temperature in order to obtain the molar ratio required. 請問:1,這里的空速如何計(jì)算?(其中N2是稀釋氣體,反應(yīng)是2CH3OH+CO+1/2O2=CH3OCOOCH3+H2O,甲醇?xì)庀嘌趸驶苽涮妓岫柞サ姆磻?yīng)) 2,mol%如何與體積流率(ml/min)關(guān)聯(lián)? 3,1.0 MPa是不是用背壓閥調(diào)節(jié)到1.0MPa即可 |
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