Process and Kinetics Study on the Acrylic Acid from Industrial Spent Acid by Complexometric Extractant

摘要

A new solvent extraction method recycling the acrylic acid (AA) from industrial waste fluid for producing acrylic acid was studied. The influencing factors of the species of diluents, concentration of extractant and temperature were investigated. The optimal process conditions were chosen that the 1-octanol as diluents, the concentration of tri-n-octylamine (TOA) 0.87mol/L, reaction temperature 298K after a series of experiments and analysis. The kinetics of extraction was studied by Lewis cell, the rate equation of extraction could be expressed as:R_A =8.8×10~(-2)[AA]~(1.5)[TOA]~(2.1).