A kind of synthesis method of fixed bed low temperature methanol with heat and mass transfer catalysis triple effect
A technology of low-temperature methanol and synthesis methods, applied in chemical instruments and methods, preparation of hydroxyl compounds, preparation of organic compounds, etc., can solve the problems of poor mass transfer effect, unfavorable, low ratio, etc., achieve mass transfer effect improvement, heat extraction The effect of improving the effect and stabilizing the conversion rate
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[0019] The present invention will be described in detail below in conjunction with the embodiments shown in the accompanying drawings.
[0020] Design of low-temperature methanol synthesis pathway, this pathway mainly includes the following steps:
[0021] CO 2 +1 / 2H 2 +Cu=HCOOCu...................(1);
[0022] HCOOCu+ROH=HCOOR+CuOH..........(2);
[0023] HCOOR+2H 2 =ROH+CH 3 OH................................(3);
[0024] CuOH+1 / 2H 2 =H 2 O+Cu................................(4);
[0025] CO 2 +3H 2 =CH 3 OH+H 2 O................................(5);
[0026] Cu represents the active center Cu from the copper-based catalyst 0 or Cu 1+ . ROH is the alcohol solvent used, which can be methanol, ethanol, propanol, 2-propanol, n-butanol and butanol isomers, etc. ROH is recycled in the reaction system without consumption. h 2O, as a by-product, was dissolved by the alcohol solvent during the reaction and carried out of the reactor. In the design of the whole react...
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