How is the Maleic Anhydrogenation Method operated?

Maleic Anhydride hydrogenation method
Maleic anhydride Butadiene method.1,3-butadiene undergoes acetoxylation with acetic acid and oxygen to generate 1,4-diacetoxy-2-butene, which is then converted into 1,4-butanediol via hydrogenation and hydrolysis.
Maleic anhydride 1,4-dichlorobutene method.1,4-dichlorobutene is an intermediate in the production of chloroprene from butadiene. Using it as a raw material, 1,4-butanediol is obtained through hydrolysis and hydrogenation.

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