Process for treating and recycling industrial wastewater of peroxide-2-ethylhexoic acid tertiary butyl ester
A technology for the production of tert-butyl caproate and waste water, which is applied in the fields of sulfur trioxide/sulfuric acid, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc., and can solve the problem of high concentration of organic peroxide waste water and lack of resources. Recycling, no effect and other problems, to achieve the effect of protecting resources and the environment, saving treatment costs, and easy operation
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[0021] The process for the treatment and resource utilization of wastewater produced by tert-butyl peroxy-2-ethylhexanoate (initiator OT) of the present invention will be described in detail below through specific examples.
[0022] (1) Treatment of strong acid wastewater
[0023] Collect 13 liters of tert-butyl peroxide production waste acid from the blowdown outlet of the production unit. Among them, containing sulfuric acid> 41%, COD cr =84470.16mg / L.
[0024] Add 13 grams of sodium sulfite to the waste acid (1 gram of sodium sulfite per liter of waste water), slowly heat to 35~40°C, stir for 1.5~2.0 hours and then distill under normal pressure. The distillate was condensed and cooled to room temperature and separated into layers, the upper layer was the organic phase and the lower layer was the aqueous phase. Recover the organic phase of the upper layer, and obtain 800ml of a mixture of tert-butanol and tert-butyl peroxide after dehydration by heterogeneous phase separa...
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