How to remove sulfur from C4

2021-11-20View Original

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Our company uses post-ether carbon tetra to produce methylethylene, and employs secondary butanol dehydrogenation to generate methylethylene as well. The sulfur content in the C4 fraction after etherification is relatively high, ranging from 2.0 to 4.0. The secondary butanol that enters the dehydrogenation catalyst contains about 0.6% sulfur. Sulfur has a significant impact on the catalysts in the dehydrogenation reactor, causing catalyst poisoning and a continuous decline in conversion rates. How can sulfur be removed from the C4 fraction after etherification? What is the appropriate process for this, and how can technical modifications be made? In the petroleum refining process, at which stage can sulfur be removed?

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How to remove sulfur from C4

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