Is the dry gas from refineries treated with adsorbents? Is it a PSA? What product is being purified?
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Does the dry gas from refineries need to be treated with adsorbents? Is it a PSA? What product is being purified? What types of adsorbents are mainly used? Is it imported?
The hydrogen-rich refinery dry gas can have its hydrogen purified through pressure swing adsorption and reused in the system; the desorbed gas is then used as fuel gas and fed into the fuel gas network. The adsorbents are all domestically produced, so you should trust domestic products.