The main production methods of maleic anhydride do not include

The main production processes of maleic anhydride are benzene oxidation and n-butane oxidation. According to different raw materials, the production process of maleic anhydride can be mainly divided into four types: benzene oxidation, n-butane oxidation, C4 olefin oxidation and phthalic anhydride by-product. At present, the main production methods of maleic anhydride in China are benzene oxidation and n-butane oxidation.