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2 101 323

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IPC

(21) (22)

Application

94026987/04, 1994-07-18

(22)

Actual filing date

1994-07-18

(45)

Published

1998-01-10

(72)

Inventor

Gimaev R.N.Biglova R.Z.Minsker K.S.Kudasheva F.Kh.Karakuts V.N.Malinskaja V.P.Teljashev G.G.Galiakbarov M.F.Tsadkin M.A.

(73)

Holder

Bashkirskij Gosudarstvennyj UniversitetAktsionernoe Obshchestvo Neftepererabatyvajushchij Zavod

METHOD FOR PURIFICATION OF BENZENES Russian patent published in 1998 - IPC

Abstract RU 2101323 C1

FIELD: oil processing, particularly, purification of benzene distillates against sulfurous and unsaturated compounds. SUBSTANCE: method is carried out in the presence of aluminium-containing catalyst. Then desired product is isolated. Monoatomic phenols are alkylated by origin benzene, the process takes place at 70-130 C and at atmospheric pressure with the help of sodium tetrachloroaluminate. Molar ratio of benzene, phenol and catalyst is 1: 1: (0.1-0.3) respectively. Phenol or 2,6-di-tert-butyl phenol is used as said monoatomic phenol. EFFECT: improved efficiency of the method. 2 cl, 2 tbl

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RU 2 101 323 C1

Authors

Gimaev R.N.

Biglova R.Z.

Minsker K.S.

Kudasheva F.Kh.

Karakuts V.N.

Malinskaja V.P.

Teljashev G.G.

Galiakbarov M.F.

Tsadkin M.A.

Dates

1998-01-10—Published

1994-07-18—Filed

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