Method of optimizing recovery process for wastewater in esterification tower used in ethyl acetate production

Abstract

The invention provides a method of optimizing a recovery process for wastewater in an esterification tower used in ethyl acetate production, belonging to the field of ethyl acetate production. The method comprises the following specific steps of: leading out ethyl acetate processing wastewater, treating wastewater in a recovery tower, conducting filtering after wastewater treatment, subjecting thewastewater to cleaning, boiling and storage treatment successively, and subjecting treated wastewater to application and conveying storage. The method is mature in process, extraction efficiency is improved, and collection can be conducted, operation is convenient; a filtering procedure is added, so wastewater treatment effect can be guaranteed, and environmental pollution is avoided; recycling can be conducted, and processing, production and recycling operation of ethyl acetate can be conducted, so wasting is reduced, resource loss is avoided, the water resource utilization rate is guaranteed, and the treatment process is optimized; and the method can be used on a large scale, and pollution is reduced while wastewater treatment and recovery efficiency is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of ethyl acetate production, and in particular relates to a method for optimizing the extraction process of wastewater in an esterification tower in ethyl acetate production. Background technique [0002] Ethyl acetate is also called ethyl acetate. Pure ethyl acetate is a colorless, transparent liquid with a pungent odor. It is a fine chemical product with a wide range of uses. It has excellent solubility, quick drying, and a wide range of uses. It is a very important organic chemical raw material and extremely Good industrial solvent, widely used in the production process of cellulose acetate, ethyl cellulose, chlorinated rubber, vinyl resin, cellulose acetate resin, synthetic rubber, coatings and paints. The old wine we are talking about is delicious because it contains ethyl acetate. [0003] Acetic acid and ethanol are heated and esterified in the presence of sulfuric acid, neutralized and dehydrated b...

AI Technical Summary

Problems solved by technology

[0009] In order to solve the above-mentioned technical problems, the present invention provides a method for optimizing the extraction process of wastewater in the esterification tower in the production of ethyl acetate, so as to solve the problems of poor filtering effect, low extraction efficiency and inconvenience in the existing wastewater extraction process. For the problem of collection and storage, a method for optimizing the extraction process of wastewater in the esterification tower in the production of ethyl acetate specifically includes the following steps:

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