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Technology Profile: Hydrogen Peroxide Production

By Intratec Solutions |

This column is based on “Hydrogen Peroxide Production Process Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/hydrogen-peroxide-production-cost. Hydrogen peroxide (H2O2) is the simplest peroxide (defined as molecules with two oxygen atoms covalently bonded to one another). It is mainly used as a bleaching agent and as an oxidizing agent in the pulp-and-paper, cosmetic, pharmaceutical, chemical, electronics, and textile industries. The use of H2O2 as a raw material in the production of propylene oxide has significantly increased in recent years. The process The process described in the following paragraphs is a conventional anthraquinone autoxidation (AO) process. In this process, 2-ethyl anthraquinone (EAQ) is sequentially hydrogenated and oxidized, generating hydrogen peroxide (Figure 1). Figure 1. The diagram shows a conventional anthraquinone autoxidation process for hydrogen peroxide production[/caption] Hydrogenation. Initially, EAQ is dissolved in a polar/non-polar solvent mix to form a solution (known as the working solution). The working solution feeds the hydrogenation reactor, where the EAQ is reduced to 2-ethyl anthrahydroquinone (EAHQ) by hydrogen gas in the presence…
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