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2 098 352

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IPC

(21) (22)

Application

5068248/25, 1992-10-09

(22)

Actual filing date

1992-10-09

(45)

Published

1997-12-10

(72)

Inventor

Merts Rejngol'D KhristianovichKosygina Kapitolina FedorovnaBokser Vladimir Borisovich

(73)

Holder

Merts Rejngol'D KhristianovichKosygina Kapitolina FedorovnaBokser Vladimir Borisovich

METHOD OF PREPARING ADSORBENT TO ADSORB OIL FILMS FLOATING ON WATER SURFACE Russian patent published in 1997 - IPC

Abstract RU 2098352 C1

FIELD: spilt oil removal. SUBSTANCE: coal containing more than 10 wt % oxygen is rapidly heated at 650-750 C, held at this temperature successively in two chambers for 10 to 30 min. Produced stone and cake particles are removed and remaining adsorbent has particle size as high as 3-4 mm and exhibits 12-13% submergence in water during 4-h observation. EFFECT: simplified process. 2 cl, 1 dwg, 1 tbl

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RU 2 098 352 C1

Authors

Merts Rejngol'D Khristianovich

Kosygina Kapitolina Fedorovna

Bokser Vladimir Borisovich

Dates

1997-12-10—Published

1992-10-09—Filed