Method and apparatus for treating water containing organic sulfu

Details Method and apparatus for treating water containing organic sulfu Method and apparatus for treating water containing organic sulfu

1995-03-21

1996-06-25

Upton, Christopher

Liquid purification or separation

Processes

Treatment by living organism

210621, 210631, 2101951, 210205, C02F 302

Patent

active

055296939

ABSTRACT:
A method for treating water containing organic sulfur compounds comprises adjusting the pH value of the water in a pH adjustment tank, biologically treating the water in a biological treatment tank, adjusting the pH value of the water to be alkaline at any places in the biological treatment tank, maintaining the dissolved oxygen concentration of the water to 2 mg/L or higher at any places in the biological treatment tank, and supplying a part of the water to the pH adjustment tank for a further treatment. An apparatus for carrying out the above method is also provided.

REFERENCES:
patent: 2642394 (1953-06-01), Paulette et al.
patent: 3429806 (1969-02-01), Carter et al.
patent: 3964998 (1976-06-01), Bernard
patent: 5196111 (1993-03-01), Nicol et al.
patent: 5252214 (1993-10-01), Lorenz et al.

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