Extraction of ammonia sulfate from mother liquor in methylacrylate production
A liquid waste, containing a considerable quantity of sulfuric acid and organic compounds, is formed in production of methyl acrylate. Neutralization of sulfuric acid and removal from departing organic compounds are necessary stages for reception of ammonium sulfate. Methods of sewage treatment, formed at producing of methyl acrylate have been offered. Sewage treatment spent methods of oxidation, flotation and extraction. The most effective clearing is reached at a combination of several physical and chemical ways. Sewage treatment from organic impurity allows to receive ammonium sulfate of high quality as a by-product.