ORGANIC COMPOUND REMOVING METHOD FROM WASTE STREAM IN (MATH)ACRYLIC ACID MANUFACTURING PROCESS CAPABLE OF EFFICIENTLY USING, REUSING AND PROCESSING WASTE STREAM

摘要

PURPOSE: An organic compound removing method from waste stream in (math)acrylic acid manufacturing process capable of efficiently using, reusing and processing waste stream is provided to increase efficiency of manufacturing process of acetic acid.;CONSTITUTION: An organic compound removing method from waste stream in (math)acrylic acid manufacturing process comprises the following steps: manufacturing water-soluble product stream and absorber off-gas stream which includes propylene and acrolein by performing partition absorption of mix gas including (math)acrylic acid, acetic acid, propylene, and acrolein; manufacturing waste stream which includes water and acetic acid purified (meth)acrylic acid stream; and transferring a part of acetic acid from the wastewater stream to the absorbent degassing stream.;COPYRIGHT KIPO 2013