The chemical composition of the purification catalyst is CuO-Al2O3. It is a new type of arsenic removal agent that can be used at room temperature or low temperature (below 100°C). It can remove arsine and alkyl arsenides in raw naphtha, liquid hydrocarbons, and at the same time remove reactive sulfides (hydrogen sulfide, mercaptans). The arsenic removal agent has strong arsenic removal ability and high compressive strength, and can be applied to the arsenic removal process of raw materials in polypropylene plants, ethylene plants, and reformers. When the water content and sulfur content in the raw materials are high, the arsenic removal effect will be affected.
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