Flotation purification of industrial wastewater by removing cyanide ions

Journal Article · Sun Jan 01 00:00:00 EST 1984 · Coke Chem. USSR (Engl. Transl.); (United States)

OSTI ID:6508265

Evtyugina, N M; Derbysheva, E K; Kopktova, L A

One of the oldest and most common methods of purifying sewage by removing cyanide ions is binding them to nontoxic compounds of ferrous salts, principally divalent ferrous salts. Research in this direction has also been realized for the sewage of coking plants. One of the reasons why the method has not been introduced is tied to the difficulty of separating the finely-dispersed slime of the divalent ferrous cyanide K/sub 4/(Fe(CN)/sub 6/). This study investigates methods of producing complex compounds of cyanide ions with ferrous salts which have low solubility and, as far as possible, are easily extracted from water. To achieve this, it is suggested that one of the promising methods of water purification - flotation - be used and that the sludge extracted be utilized in accordance with wellknown plans.

• Research Organization: Ural Polytechnical Institute
• OSTI ID: 6508265
• Journal Information: Coke Chem. USSR (Engl. Transl.); (United States), Vol. 1
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
COKING PLANTS
WASTE WATER
CYANIDES
REMOVAL
FLOTATION
COKE OVENS
IRON COMPOUNDS
PURIFICATION
WATER TREATMENT
HYDROGEN COMPOUNDS
INDUSTRIAL PLANTS
LIQUID WASTES
OXYGEN COMPOUNDS
SEPARATION PROCESSES
TRANSITION ELEMENT COMPOUNDS
WASTES
WATER
010401* - Coal & Coal Products- Carbonization- (-1987)
010800 - Coal
Lignite
& Peat- Waste Management