Evaluation of EPA Recommended Treatment and Control Technology for Blast Furnace Wastewater

by George M. Wong-Chong, (M.ASCE), Research Fellow; Carnegie-Mellon Inst. of Research, Pittsburgh, Pa.,
S. Charles Caruso, Sr. Research Fellow; Carnegie-Mellon Inst. of Research, Pittsburgh, Pa.,

Serial Information: Journal of the Environmental Engineering Division, 1978, Vol. 104, Issue 2, Pg. 305-321

Document Type: Journal Paper


The EPA recommended technology for treating blast furnace wastewater, essentially suspended solids removal and recirculation, was evaluated and found to be inadequate to produce effluent quality in total compliance with the 1977 limitations that include ammonia, cyanide, and phenol. Alkaline chlorination and gas-liquid mass transfer were examined for controlling the ammonia, cyanide, and phenol. The EPA-ELG was developed from a very limited data base. This evaluation examined an extensive data base consisting of responses to a questionnaire, long-term plant operating data, field survey, and literature review.

Subject Headings: Environmental Protection Agency | Blasting effects | Wastewater treatment | Ammonia | Phenol | Databases | Field tests | Turbidity

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