Title:
アルキル芳香族炭化水素の選択的触媒的水素化脱アルキル化の方法
Document Type and Number:
Japanese Patent JP4926941
Kind Code:
B2
Abstract:
Process for the catalytic hydrodealkylation alone of hydrocarbon compositions comprising C8-C13 alkylaromatic compounds, optionally in a mixture with C4-C9 aliphatic and cycloaliphatic products, including the treatment in continuous of said hydrocarbon compositions, in the presence of water, with a catalyst consisting of a ZSM-5 zeolite as such or in bound form, wherein the molar ratio Si/Al in the ZSM-5 ranges from 5 to 35, modified with at least one metal selected from those belonging to groups IIB, VIB and VIII, at a temperature ranging from 400 to 700° C., a pressure of between 2 and 4 MPa, a molar ratio between water and the charge in the feed to the reactor ranging from 0.0006 to 0.16 (i.e. between 0.01 and 2.5% w/w) and a molar ratio H2/charge of between 3 and 6.
Inventors:
Arca Vittorio
Boscolo Boscolette Angelo
Boscolo Boscolette Angelo
Application Number:
JP2007504271A
Publication Date:
May 09, 2012
Filing Date:
February 08, 2005
Export Citation:
Assignee:
POLIMERI EUROPA S.P.A.
International Classes:
C07C4/06; B01J29/48; B01J37/02; B01J37/08; C07C9/06; C07C15/04; C07C15/06; C10G35/095; C10G45/64; C07B61/00
Domestic Patent References:
| JP2007518856A | 2007-07-12 | |||
| JPS60105636A | 1985-06-11 | |||
| JPS5867351A | 1983-04-21 |
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama