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IPC

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Application

97102425/25, 1997-02-18

(22)

Actual filing date

1997-02-18

(45)

Published

1998-08-20

(72)

Inventor

Gur'Janov V.V.Dvoretskij G.V.Maksimova L.M.Mukhin V.M.Smirnov V.F.Chebykin V.V.

(73)

Holder

Ehlektrostal'Skoe Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD OF PREPARING CARBON-ZEOLITE ADSORBENT Russian patent published in 1998 - IPC

Abstract RU 2117526 C1

FIELD: sorbents. SUBSTANCE: invention aims at preparing sorbent with increased strength and high sorption and ion-exchange capacity to be applied for absorbing substances, e.g. heavy metals (nickel, etc.) from aqueous solutions and drinking water. To that aim, carbon-zeolite adsorbent is prepared through impregnation of zeolite with aqueous suspension of thermosetting monomer or polymer synthetic carbon materials at zeolite to material ratio 100: (5-25) followed by heat treatment at 650-700 C in carbon dioxide flow. EFFECT: improved strength and sorption capacity.

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RU 2 117 526 C1

Authors

Gur'Janov V.V.

Dvoretskij G.V.

Maksimova L.M.

Mukhin V.M.

Smirnov V.F.

Chebykin V.V.

Dates

1998-08-20—Published

1997-02-18—Filed

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