Title:
メタセシス触媒の再活性化方法およびその再活性化工程を含むオレフィン類の製造方法
Document Type and Number:
Japanese Patent JP5345058
Kind Code:
B2
Abstract:
A metathesis catalyst which is a combination including a catalyst 1 comprising a compound that contains at least one metal element selected from tungsten, molybdenum and rhenium and a catalyst 2 comprising at least one selected from magnesium oxide and calcined hydrotalcite is easily and effectively reactivated from a degraded state due to long-term repetitive cycles of reaction and regeneration at high temperature for burning off poisonous substances or cokes, to like-new condition or a desired level. An olefin production process by a metathesis reaction includes a step of performing the reactivation. A degraded metathesis catalyst is easily and effectively reactivated by being contacted with water at not more than 50°C or water vapor at not more than 170°C.
Inventors:
Yuichi Ikenaga
Application Number:
JP2009524427A
Publication Date:
November 20, 2013
Filing Date:
June 23, 2008
Export Citation:
Assignee:
Mitsui Chemicals, Inc.
International Classes:
B01J23/30; B01J23/92; B01J38/06; B01J38/12; B01J38/48; C07C6/04; C07C11/06; C07B61/00
Domestic Patent References:
| JPH11217340A | 1999-08-10 | |||
| JPS596698B2 | 1984-02-14 | |||
| JPS62197147A | 1987-08-31 | |||
| JPH11217340A | 1999-08-10 | |||
| JPS596698B2 | 1984-02-14 |
Foreign References:
| WO2005023420A1 | 2005-03-17 |
Attorney, Agent or Firm:
Patent corporation ssinpat
Koji Makimura
Koji Makimura