On the conversion issues related to hydrogen production

1. All reactors are equipped with catalysts; some are used for desulfurization while others are used for hydrogenation. 2. The furnace tubes contain conversion catalysts. 3. The conversion reaction takes place within the furnace tubes. In front is the hydrodesulfurization reaction

In the reactor, the main processes are desulfurization, demetallization, removal of residual carbon, denitration, hydrocracking to produce hydrogen, and fine cracking to obtain light hydrocarbons. As for what function the conversion catalyst serves?

In the reactors prior to hydrogen production, there is a hydrogenation reactor that removes olefins and other impurities that can be removed through hydrogenation; a desulfurizer serves to remove sulfur and acts as a catalyst to prevent pollution. All of these devices utilize catalysts. There is a catalyst inside the converter tube

1. Are all reactors used for hydrogen production equipped with catalysts? Yes, there are hydrogenation catalysts, dechlorination catalysts, desulfurization catalysts, pre-conversion catalysts, conversion catalysts, medium-shift catalysts (or high-shift catalysts), low-shift catalysts (and in solvent recovery processes, methanation catalysts as well). 2. Does the conversion reaction take place inside the converter tube? Is there also a catalyst inside the furnace tube? The reactions in the converter tubes are CH4+H2O←→CO+3H2 and CO+H2O←→CO2+H2. The tubes are equipped with catalysts; if there is no pre-converter, then two types of catalysts are used in the tubes. 3. If the reaction takes place in a conversion furnace, then what is the purpose of the pre-conversion reactor beforehand? Pre-conversion is the conversion of higher hydrocarbons into methane. CnHm+nH2O→nCO+（1/2m+n）H2 CH4+H2O←→CO+3H2 CO+H2O←→CO2+H2

5th floor is correct~~~ Support, upvote!