Pulsating Bed Activated Carbon Dechlorination

by Makram T. Suidan, Asst. Prof. of Environmental Engrg.; School of Civ. Engrg., Georgia Inst. of Tech., Atlanta, Ga.,
Wendall H. Cross, Research Scientist; School of Civ. Engrg., Georgia Inst. of Tech., Atlanta, Ga.,
Kenneth A. Chacey, Sanitary Engr.; Southern Div., Naval Facilities Engrg. Command, Charleston, S.C.,

Serial Information: Journal of the Environmental Engineering Division, 1978, Vol. 104, Issue 6, Pg. 1223-1235

Document Type: Journal Paper


A mathematical model describing the unsteady-state behavior of a pulsating bed activated carbon dechlorinator is developed and tested. Very close agreement for time related effluent free chlorine concentration is demonstrated between experimental results and model predictions. The free chlorine-carbon local reaction rate is described by a generalized algebraic rate expression. This rate expression is correlated as a function of bulk chlorine concentration, extent of reaction, carbon granule size, pH, temperature and pore volume. Design nomograms are developed as an aid for the sizing of such contactors.

Subject Headings: Activated carbon | Chlorine | Mathematical models | Mathematics | Steady states | Agreements and treaties | Effluents | Carbon fibers

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