The utility model discloses a kind of
technical grade hydrogen peroxide product purification device, mainly by oxidation
tower, extraction
tower, purification
tower I,
falling film evaporator, rectifying tower, purification tower II is formed, 60%
technical grade hydrogen peroxide pipeline after cooling of
falling film evaporator is connected with lower part in oxidation tower,
hydrogen peroxide pipeline of oxidation tower bottom outlet is connected with upper part of purification tower II,
aromatic hydrocarbon pipeline is connected with lower part of purification tower II.In the present application, after 60%
technical grade hydrogen peroxide is returned to oxidation tower preliminary purification, it is sent into purification tower II again, continue to reduce TOC,
metal ion and other impurities in 60% technical grade
hydrogen peroxide, and purified
hydrogen peroxide is obtained.The present application does not need to use adsorption tower, can reduce waste liquid, waste adsorbent generated in adsorption process, and the effective component of
working fluid is recycled, consumption is reduced, and the safety performance of device is improved;Industrial grade dilute product hydrogen peroxide, industrial grade concentrated product hydrogen peroxide and chemical grade concentrated product hydrogen peroxide can be obtained simultaneously.