除氟

• In addition , the result of comparing the coagulating filtration method with the coagulating sedimentation method shows that the former method is superior to the latter one when other conditions are fined . finally , a primary estimation of operation cost for defluorination using pac as coagulant is made
  另外，通过对混凝过滤和混凝沉淀除氟两种方法对比实验研究，表明在其它条件相同的情况下，前者优于后者，从而进一步证明了混凝一直接过滤可代替混凝沉淀法除氟。