Abstract
Abstract In order to determine effective processes for purifying polluted source waters 1n Harbin City, various processes consisting of ozonation, sand filtration, and/or GAC filtration and adsorption, i.e., ozonation ( “O3” Process), ozonatlon/sand filtration ( “O3 + SF” Process), ozonation/biological activated carbon ( “O3 + BAC” Process), ozonation/sand filtration/biological activated carbon ( “O3 + SF + BAC” Process), and granular activated carbon (“GAC” Process) were tested In an 8 m3/d capacity pilot plant. In addition, a small plant of 500 L/d capacity was used to conduct comparative studies between the two processes “GAC” and “O3 + BAC”, as well as two types of carbon.
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