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2 023 810

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IPC

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Application

5012983/26, 1991-12-09

(22)

Actual filing date

1991-12-09

(45)

Published

1994-11-30

(72)

Inventor

Arakeljan Eh.I.Ishkhanov V.A.Lytkin V.S.Kamennyj V.I.Gorjaeva E.B.

(73)

Holder

Severnyj Gosudarstvennyj Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Geologicheskij Tsentr

SORBENT FOR TREATMENT OF WATER SURFACE FROM OIL AND PETROLEUM PRODUCTS Russian patent published in 1994 - IPC

Abstract RU 2023810 C1

FIELD: environment safety. SUBSTANCE: sorbent for water treatment from oil and petroleum products is a hydrolytic lignin treated with ammoniacal water following by washing off with water, aerosol treatment with steam and drying at 110-125 C up to humidity 7-12%. EFFECT: enhanced quality of sorbent. 4 tbl

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RU 2 023 810 C1

Authors

Arakeljan Eh.I.

Ishkhanov V.A.

Lytkin V.S.

Kamennyj V.I.

Gorjaeva E.B.

Dates

1994-11-30—Published

1991-12-09—Filed

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