Alumina regenerant for preparing hydrogen peroxide by anthraquinone process

Abstract

The invention discloses an alumina regenerant for preparing hydrogen peroxide by an anthraquinone process. The alumina regenerant comprises the following components: alumina powder and basic sodium salt powder, wherein the dosage of basic sodium salt powder accounts for 10-20% of the total mass; the basic sodium salt powder satisfies that the pH value of a 1 g/ml aqueous solution containing basic sodium salt powder as the solute is 9-11; the basic sodium salt powder comprises sodium oxide; the content of sodium oxide accounts for 1%-4% of basic sodium salt powder in mass percent. The alumina regenerant has excellent regenerative activity, and greatly reduces the amount of organic residues, so as to reduce the environmental pollution, make a positive contribution to emission reduction, pollution elimination and loss reduction in the production of hydrogen peroxide, and create favorable conditions for the sustainable development of hydrogen peroxide.

Description

technical field [0001] The invention relates to the production technology of hydrogen peroxide (hydrogen peroxide) industrial regeneration agent, specifically refers to the aluminum oxide regeneration agent used for preparing hydrogen peroxide by anthraquinone method. Background technique [0002] The production of hydrogen peroxide (hydrogen peroxide) by the anthraquinone method is currently the most mature production method in the world. The process generally uses 2-ethylanthraquinone (EAQ) as the carrier, heavy aromatics (AR) and trioctyl phosphate (TOP ) is a mixed solvent, prepared as a working solution with a certain composition, and it is passed into a hydrogenation bed equipped with a catalyst together with hydrogen, and 2-ethylanthraquinone (EAQ) undergoes a hydrogenation reaction with hydrogen at a certain pressure and temperature, Generate the corresponding hydrogen anthraquinone (HEAQ), and the resulting solution is called hydrogenation solution. The hydrogenate...

AI Technical Summary

Problems solved by technology

Since this kind of pollution has been unable to be effectively controlled, it has become out of control. Under the situation of environmental protection and high pressure, the hydrogen peroxide industry is facing a situation of limiting production.