Pharmaceutical companies in Guangdong Franc micro negative pressure (-0.01Mpa) under the conditions of distillation of chloroform, inlet and outlet temperature 58/30 ℃, solvent volume 1.8t, with the original time 9h.
After the distillation condenser using SECESPOL time is 8 hours and can be achieved only low-temperature water condensing material to replace the previous refrigerant (glycol solution), and reduce operating costs.