Retrofitting LTV coke plant wastewater treatment system to comply with pretreatment discharge limits

Journal Article · Sat Oct 01 04:00:00 EDT 1994 · Iron and Steel Engineer; (United States)

OSTI ID:6835145

Wong-Chong, G M ^[1]; Fittipaldo, J J ^[2]

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1. ICF Kaiser Engineers, Inc., Pittsburgh, PA (United States)
2. LTV Steel Co. Inc., Warren, OH (United States). Warren Coke Plant

Under a constant decree agreement in 1988, LTV Steel Co. installed an activated sludge biological treatment facility at the Warren works to treat coke plant wastewater prior to discharge to the city of Warren publicly owned treatment works. This discharge is required to meet effluent quality limits for phenol and ammonia, and suspended solids are subject to surcharges. the discharge limits imposed by the city of Warren are shown in Table 1. To meet these effluent discharge limits, the original treatment strategy was to process the coke plant wastewater through an ammonia steam stripping still to control ammonia, and process the ammonia-stripped wastewater through the activated sludge biological treatment unit to control phenol. This strategy was unsuccessful because of limitations of the ammonia still, the general composition of the wastewater and the operating conditions of the biological treatment process. This article discusses the upgrading of the biological treatment process operation to meet the required discharge effluent quality.

• OSTI ID: 6835145
• Journal Information: Iron and Steel Engineer; (United States), Journal Name: Iron and Steel Engineer; (United States) Vol. 71:10; ISSN IRSEA5; ISSN 0021-1559
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010800* -- Coal
Lignite
& Peat-- Waste Management
ACTIVATED SLUDGE PROCESS
AERATION
CHEMICAL COMPOSITION
COKING PLANTS
HYDROGEN COMPOUNDS
INDUSTRIAL PLANTS
LIQUID WASTES
MANAGEMENT
MODIFICATIONS
OXYGEN COMPOUNDS
PERFORMANCE
PROCESSING
WASTE MANAGEMENT
WASTE PROCESSING
WASTE WATER
WASTES
WATER
WATER TREATMENT
WATER TREATMENT PLANTS