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Title:
【発明の名称】フェノールの製造方法
Document Type and Number:
Japanese Patent JP2844126
Kind Code:
B2
Abstract:
Process for the production of phenol in which: … …  1) benzene is reacted with propene and isopropyl alcohol in contact with a catalyst based on a dealuminated Y zeolite with a SiO2/Al2O3 molar ratio of between 8 and 70, and the product obtained is then fractionated into a first fraction containing unconverted benzene, a second fraction containing cumene and a third fraction containing polyisopropylbenzenes, …  2) the said third fraction is reacted with benzene in contact with a catalyst based on a dealuminated Y zeolite with a SiO2/Al2O3 molar ratio between 8 and 70 or based on a dealuminated mordenite with an overall Si/Al atomic ratio of between 20 and 60, and cumene is collected, …  3) the cumene obtained is converted into a mixture of acetone and phenol, …  4) the acetone obtained is at least partially hydrogenated to isopropyl alcohol which is then at least partially recycled towards stage 1. … …

Inventors:
BERUNAARU JUGAN
JAN HOORU BOWACHIOO
JERUMAN MARUCHINO
Application Number:
JP40490790A
Publication Date:
January 06, 1999
Filing Date:
December 21, 1990
Export Citation:
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Assignee:
ANSUCHI* FURANSE DEYU PETOROORU
International Classes:
B01J29/08; B01J29/18; C07B61/00; C07C2/70; C07C6/12; C07C15/02; C07C15/085; C07C27/12; C07C29/145; C07C31/10; C07C37/08; C07C39/04; C07C45/53; C07C49/08; (IPC1-7): C07C39/04; C07C27/12; C07C37/08
Domestic Patent References:
JP2174737A
Attorney, Agent or Firm:
Eisuke Kishimoto (3 others)