Fast preparation of PAC in acidic medium and its applying for coagulation wastewaters in reused papers at Phong Khe (Bac Ninh)

Abstract

In this paper. some results of study on fast preparation on polyalluminum chloride in acidic medium (PAC-a), characteristics and its ability in coagulation some of surfacewater were discussed. Experimental results shown that PAC-a has some advantages over the neutrally generated PAC: the production proceduce is more simple, it takes less time. Moreover, the consumption of PAC-a in coagulation of turbility of Red River and some wastewaters from production ofreused paper is reduced.