Loop reaction device in slurry bed, application and method for producing hydrogen peroxide

Abstract

The invention relates to a loop reaction device in a slurry bed, application and a method for producing hydrogen peroxide. The loop reaction device comprises a slurry bed reactor and a solid-liquid separator, wherein the upper part of the slurry bed reactor is communicated with the upper part of the solid-liquid separator, and the bottom of the slurry bed reactor is communicated with the bottom of the solid-liquid separator; and a coaxial inner sleeve is arranged in the slurry bed reactor, an outer sleeve is arranged between the inner sleeve and the outer wall of the slurry bed reactor at the upper part of the slurry bed reactor, a raw material inlet and a fluid distributor are arranged in the inner sleeve and at the bottom, a gas outlet is formed in the top of the slurry bed reactor, a filtration component is arranged in the solid-liquid separator, and a clear liquid outlet is formed in the wall of the solid-liquid separator via the filtration component. According to a hydrogenation method for producing hydrogen peroxide by an anthraquinone method with the adoption of the slurry bed loop reactor, the gas-liquid-solid three-phase separation efficiency is high, the excess local liquid holdup of a catalyst is avoided, the possibility of excessive hydrogenation is reduced, the hydrogenation efficiency is further effectively improved and a hydrogen peroxide product with relatively high concentration can be obtained.

Description

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AI Technical Summary

Benefits of technology

This patented technology describes a new type of chemical reactor called Slurry Bubble Reaction (SBR) where there's no separate space around each particle during its movement within it. Instead, this happens naturally due to gravity when they move upwardly along one side of the vessel walls. By mixing these small solids together instead of just adding them separately into the main body of the system, better control over the activity and yield rates of the desired products may result. Additionally, SBR provides efficient cooling while maintaining high concentrations of active ingredients. Overall, this innovative design improves the performance and effectiveness of chemistry processes such as producing hydroperoxy acid(HOOA).

Problems solved by technology

This patent describes different methods for producing hydroxyl radicals such as hydroxyanodino acid(HOOH). These processes involve various types of reacters like cylindrical settling type reactors or vaporizing columns. However, these conventional techniques have limitations due to their poor performance and limited applicability range. Therefore there exists a new approach called the inventory quaternary salt method described in this patents.

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