Water and water purification technologies

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REAGENT WATER SOFTENING WITH USE OF ALUMINUM-CONTAINING COAGULANTS

T. Shabliy, O. Goltvianytska, V. Kamaev, M. Gomelya

National Technical University of Ukraine “KPI”, Kiev, Ukraine

e-mail: tania1@voliacable.com

The results of determine the effectiveness of aluminum-containing coagulants for water softening was presented. It is shown that the use of lime, soda and alkali the efficiency of softening is low. With using basic reagents with aluminum-containing coagulants degree of softening increases 2 ÷ 8 times at low values of residual alkalinity. Efficiency of the process depends on the consumption and the ratio of reagents.

Key words: reagent water softening, degree of softening, aluminum-containing coagulants, lime.

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13.09.2011 at 2:56 pm