Solid-liquid separation method for organic waste sludge

Details Solid-liquid separation method for organic waste sludge Solid-liquid separation method for organic waste sludge

C - Chemistry, Metallurgy

02

F

362/2

C02F 11/12 (2006.01) C02F 1/52 (2006.01) C02F 1/72 (2006.01)

Patent

CA 1074925

ABSTRACT A method of solid-liquid separation in the treatment of organic waste sludge, characterized by adding to the sludge from 0.5 to 30% by weight of hydrogen peroxide and from 0.1% to 10% by weight of a metal ion with tri or higher valent positive charge on the basis of solid con- tent of the sludge while maintaining the pH at or lower than 9 by the addition of an acid or alkali to form stable organic flocs and subsequently conducting solid-liquid separation by setting, suction or centrifugal separation process.

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