2,4-D异辛脂原药生产废水处理工艺的研究

Study on the Production Wastewater Treatment Process of 2,4-D Iso-octyl Ester

针对2,4D异辛脂原药生产中产生的工艺废水化学需氧量和异辛脂污染物浓度高、毒性大。废水日产量和排放量相对较少,排放周期短、气温低等特性,研究废水在较短周期内,克服低气温条件,以一套处理工艺,采用多种方法协同作用,使多组分污染物经处理后都能够实现达标排放。通过实验室研究,确定化学絮凝、活性炭吸附铁炭等多种技术方法应用于同一废水中对多组分污染物处理时的最佳药剂的投放量和最佳停留时间。并用数理统计理论分析了处理效果的相关性,制定了铁-炭还原-混凝-MPAC处理工艺,并使其成功地应用于实际废水处理中,取得了预期的处理效果。

According to the characteristics of 2,4-D iso-octyl ester production wastewater,which have high COD concentration and toxic,small discharge of wastewater per day,short-discharge cycles,low temperature et al,researching a treatment process can work in short period and low temperature condition for achieving the discharge standards by variety ways synergies.Through laboratorial research,the most appropriate amount of reagent and most optimal retention in the treatment of multi-component pollutants processing was determined by trying chemical flocculation,activated carbon adsorption of iron-carbon and other technical methods.At the same time,the statistical theory of mathematical was used for analyzing the relevance of treatment effects.Iron-Carbon Reduction-Coagulation-MPAC Process was developed and supplied successfully in actual wastewater treatment,which achieved desired treatment effect.