Calcium magnesium acetate(CMA)can be prepared by extraction of acetic acid from dilute acetic acid wastewater using trioctylamine and then by back extraction using dolomite lime.

• 用三辛胺萃取醋酸废水中的醋酸,加入白云石灰乳反萃,可制得环保型除冰剂醋酸钙镁盐(CMA)。