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Desulfuration (H2S)

Desulfurization is necessary to protect the nickel steam reforming catalyst when producing synthesis gas or hydrogen from natural gas. Natural gas typically contains H₂ 2S and/or organic sulfur compounds or odorants. In a preceding hydrodesulfurization step using the HDMax® 200 or HDMax® 300 catalyst, the sulfur from the organic sulfur compounds or odorants is released in the form of H₂S. This is then removed via chemisorption using the H₂S adsorber ActiSorb® S2 down to < 0.1 ppmv. At low mercaptan and H₂ concentrations…For 2S contents, ActiSorb® G1 can be used, which combines the hydrodesulfurization function and H2S chemisorption in one product.