Advances in the production technology of hydrogen peroxide

This article mainly summarizes various aspects of hydrogen peroxide (H2O2) production through the anthraquinone route, including hydrogenation catalysts, working solution, regeneration technique, hydrogenation reactors, and environmental protection. The advances and breakthrough of SINOPEC in the production of H2O2 through the anthraquinone route is presented in this review, highlighting recent innovative technology on these aspects developed independently. The technical prospect and scientific challenges associated with the direct synthesis method from hydrogen and oxygen are also briefly discussed.