The recovery of fluorine in tail gas of SSP production and the production of24% commercial fluosilicic acid( liquid) with byproduct sodium silicofluoride are introduced in process, equipment and its working parameter, and corrosion protection.

• 介绍回收过磷酸钙生产中含氟尾气,生产24%25品氟硅酸(体),同时副产氟硅酸钠的工艺流程、备选型、备主要参数和防腐处理。