METHOD OF PRODUCING OIL AND OIL PRODUCT SORBENT Russian patent published in 2017 - IPC B01J20/32 

Abstract RU 2638354 C1

FIELD: chemistry.

SUBSTANCE: wood bark or bark and wood waste, subjected to mechanical grinding and purified from polluting and water-soluble substances, are used as raw material for the production of sorbents. The waste is hydrophobized with sulphate soap, which is precipitated with aluminium sulfate. The water repellent is taken in the amount of 0.5-5.0 wt % of the waste.

EFFECT: improving the sorption characteristics and expanding the raw material base for prodicung the sorbent base.

4 tbl, 3 ex

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RU 2 638 354 C1

Authors

Kocheva Lyudmila Sergeevna

Karmanov Anatolij Petrovich

Kochanova Anna Vasilevna

Dates

2017-12-13Published

2016-10-03Filed