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What are the chemical reactions of the feed gas carbon dioxide in the reciprocating compressor dehydrogenation unit?

2009-02-05View Original

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What are the chemical reactions of the feed gas carbon dioxide in the reciprocating compressor dehydrogenation unit? ? For example, what are the changes in NH3, H2, CH4, H2S, N2, Ar, COS, and CH3OH during dehydrogenation reactions?
Reply #22009-02-05
The main chemical reactions in the dehydrogenation unit are: 1. 2H2 + O2 = H2O; 2. CH4 + 2O2 = CO2 + 2H2O. Under normal operating conditions, there should be no NH3, H2S, N2, Ar, COS, or CH3OH in the carbon dioxide gas. If so, it indicates that the system is not functioning properly.
Reply #32009-02-06
When the sulfur content exceeds 2 ppm, the catalyst becomes ineffective, and catalytic dehydrogenation cannot proceed smoothly. The main reaction that occurs in the dehydrogenation reactor is 2H2+O2=H2O
Reply #42009-02-06
1. 2H2 + O2 = 2H2O 2. CH4 + O2 = CO2 + 2H2O + 881 KJ/mol. The reaction equations are correct, but for the reaction of CH4 and O2 to produce solely CO2 and H2O, high temperatures and sufficient air are required. I’m not sure what exactly that high temperature is ? If one of the conditions is not met, the reaction of CH4+O2 results in the formation of CO and water. I wonder whether a dehydrogenation unit in a compressor can remove carbon monoxide ? How does it remove carbon monoxide? ? If carbon monoxide is removed by combustion, can the dehydrogenation catalyst withstand it?

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