A new technology for recovering PVC particles from centrifugal mother liquid

The structures and working principles of slanting plate type of fast settling tanks and pneumatic continuous sand filters were introduced.The technology of combining the slanting plate type of fast settling tanks and pneumatic continuous sand filters for recovering PVC particles from centrifugal mother liquid in the first phase of 400 kt/a PVC project in Tianchen Chemical Industry Co.,Ltd.of Xinjiang Tianye(Group) were discussed.400 tons of PVC was recovered per year and the recovery rate was over 95%.