Wastewater Ozonation: A Process Whose Time Has Come

by Harvey M. Rosen, Product Mgr.; Union Carbide Corp., Linde Div., Tonawanda, N.Y.,

Serial Information: Civil Engineering—ASCE, 1976, Vol. 46, Issue 3, Pg. 65-69

Document Type: Feature article


For many years, ozonation has been a technically viable solution to difficult waste treatment problems. Not until recently, though, has ozonation found growing acceptance as a cost-effective way to meet high-effluent-quality standards. Expanded interest in ozone for municipal wastewater treatment is due to higher treatment requirements of new pollution-control laws; increased recognition of toxicity problems of chlorine use; the trend toward the reuse of wastewater; technical advances in ozone generation; installation of many oxygen-activated sludge secondary treatment systems. Since 1970, the study and use of ozone for treating municipal wastewater has expanded rapidly in the U.S. — over 20 pilot plants, countless lab-scale studies, leading to some full-scale plants in 1975.

Subject Headings: Municipal wastewater | Ozone | Laboratory tests | Wastewater treatment plants | Wastewater management | Ozonization | Industrial wastes | Wastewater treatment

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