Complex extraction treatment of wastewater containing 2-amino-4-methyl-5-chlorobenzene sulfonic acid (CLT - acid) was studied using 7301 - 1 - octanol - H2SO4 - NaOH as extraction - back extraction system.

• 采用7301-正辛醇-H2SO4-NaOH化学萃取-反萃取体系对CLT酸废水进行了络合萃取处理试验。