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IPC

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Application

98122486/12, 1998-12-15

(24)

Start date

1998-12-15

(22)

Actual filing date

1998-12-15

(45)

Published

1999-11-20

(72)

Inventor

Danilov A.A.Koromyslov V.S.Sentjakov A.V.Pavlov N.I.

(73)

Holder

Danilov Anton Anatol'EvichKoromyslov Viktor SergeevichSentjakov Aleksandr Vasil'EvichPavlov Nikolaj Il'Ich

METHOD OF SORBENT PRODUCTION Russian patent published in 1999 - IPC

Abstract RU 2141374 C1

FIELD: methods of production of sorbents based on porous natural materials (opoka and others); applicable in final purification of drinking water, heavy metals, oil products and other compounds. SUBSTANCE: method in that after preliminary drying of initial material, it is crushed, treated with modifying reagent-solution of NaOH, or Na₂CO₃, or Ca(OH)₂. Heat treatment is carried out at temperature of 1000-1250 C sufficient for conversion of clay components into shard. EFFECT: produced strong chemically stable sorbent.

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RU 2 141 374 C1

Authors

Danilov A.A.

Koromyslov V.S.

Sentjakov A.V.

Pavlov N.I.

Dates

1999-11-20—Published

1998-12-15—Filed