SLUDGE PROCESSING METHOD Russian patent published in 2004 - IPC

Abstract RU 2241017 C2

FIELD: petroleum processing.

SUBSTANCE: sludge is taken from sludge pond heated by mixing heat carrier: oil fuel preheated to 86-95^oC in amount 0.5 to 5 volumes per 1 volume sludge, then mixed with neutralizing composition made up of group I and II metal (sodium, potassium, magnesium, calcium_ oxides, hydroxides, or carbonic acid salts, mazut, and modifier of synthetic fatty acid fraction C₆-C₂₂. Composition contains particles 25 to 50 mcm in size. Neutralization proceeds at 60-85^oC for 6-8h, after which product stratifies into liquid and solid phases. The former is commercial product and the latter is reused.

EFFECT: improved quality of finished product.

1 dwg, 5 tbl, 2 ex

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RU 2 241 017 C2

Authors

Gorjunov G.L.

Pomerantsev I.P.

Nikolaev A.N.

Dates

2004-11-27—Published

2002-12-09—Filed