Equalization-Neutralization Basin Design

by Dominic M. Di Toro, (A.M.ASCE), Consultant; HydroQual, Inc., Mahwah, N.J.; formerly, Hydroscience, Inc., Westwood, N.J.; also Assoc. Research Prof., Environmental Engrg., Manhattan Coll., Bronx, N.Y. 10471,
James P. Watkins, (M.ASCE), Vice Pres. and Regional Office Mgr.; Brown and Caldwell Consulting Engrs., Westwood, N.J.; formerly, Marketing Development Mgr., Hydroscience. Inc., Westwood, N.J.,
John E. La Padula, Project Engrg.; Brown and Caldwell Consulting Engrgs., Westwood, N.J.; formerly, Project Engr., Hydroscience, Inc., Westwood, N.J.,

Serial Information: Journal of the Environmental Engineering Division, 1981, Vol. 107, Issue 1, Pg. 251-265

Document Type: Journal Paper

Discussion: Williams Donald H. (See full record)
Discussion: Liljestrand Howard M. (See full record)

Abstract: A methodology has been developed for the design of equalization-neutralization basins for pH control. The trade-off between basin size and quantities of chemical addition can be investigated. The problem is complicated by the facts that the hydrogen ion is highly reactive and the acid-based characteristics of wastes can be variable and uncertain. The proposed solution technique represents the observed waste titration curve as the sum of strong and weak acids and bases, which are then analyzed using conventional mass balance techniques. Laboratory and pilot plant data are analyzed and used to verify the methodology.

Subject Headings: Basins | Acids | pH | Hydrogen | Waste management | Recycling | Curvature |

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