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2 176 234

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Application

2000121820/04, 2000-08-15

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Start date

2000-08-15

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Actual filing date

2000-08-15

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Published

2001-11-27

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Inventor

Nikolaev V.V.Gafarov N.A.Lomovskikh V.D.Molchanova Z.V.Gerasimenko M.N.Vshivtsev A.N.Stolypin V.I.Brjukhov A.A.Shakhov A.D.Jashchenko V.L.Murzakaeva G.F.

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Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Otkrytogo Aktsionernogo Obshchestva

METHOD OF SEPARATING BUTANE FRACTION Russian patent published in 2001 - IPC

Abstract RU 2176234 C1

FIELD: gas-conversion and petrochemical industry more particularly separation of straight and isomeric hydrocarbons. SUBSTANCE: butane fraction is separated by adsorption on synthetic zeolites such as straight CaA hydrocarbons followed by desorption thereof with hydrocarbon. CaA zeolite is zeolite containing at least 11 wt % of calcium oxide, and hydrocarbon for desorption purposes is methane fraction having temperature between 180 and 250 C. EFFECT: higher purity of the resulting n-butane and isobutane no need of regenerating periodically zeolite since n-butane desorption and zeolite regeneration processes and combined. 1 dwg, 2 tbl

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RU 2 176 234 C1

Authors

Nikolaev V.V.

Gafarov N.A.

Lomovskikh V.D.

Molchanova Z.V.

Gerasimenko M.N.

Vshivtsev A.N.

Stolypin V.I.

Brjukhov A.A.

Shakhov A.D.

Jashchenko V.L.

Murzakaeva G.F.

Dates

2001-11-27—Published

2000-08-15—Filed

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