Industrial, Municipal Wastes Combined

by Robert E. Hickman, (A.M.ASCE), Assoc.; Whitman & Howard, Inc., Boston, Mass.,
Charles N. Smith, (A.M.ASCE), Project Engr.; Whitman & Howard, Inc., Boston, Mass.,


Serial Information: Civil Engineering—ASCE, 1976, Vol. 46, Issue 12, Pg. 68-72


Document Type: Feature article

Abstract: The design of the facility in South Paris, Maine, is based on a modified secondary activated sludge treatment process. Because of the quality of the specific industrial wastes being treated, this modified process employs some unconventional unit operations, including the use of rotary screens, equalization tanks, carbonation tanks, upflow clarifiers, and special pH control and monitoring equipment. Three separate pipelines convey flows to the treatment facility. One pipeline transports combined municipal sewage and storm water flows from the Town of Paris and wastes from a cannery. The other two pipes carry wastes from a leather company. These two wastes, which drastically differ in composition and pH level, are kept separate to maintain pH control.

Subject Headings: Industrial wastes | Waste treatment | Municipal wastes | pH

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