Title:
自熱酸化に使用される触媒のオンライン再生
Document Type and Number:
Japanese Patent JP3934878
Kind Code:
B2
Abstract:
A process and catalyst for the partial oxidation of paraffinic hydrocarbons, such as ethane, propane, naphtha, and natural gas condensates, to olefins, such as ethylene and propylene. The process involves contacting a paraffinic hydrocarbon with oxygen in the presence of hydrogen and a catalyst under autothermal process conditions. Preheating the feed decreases oxygen consumption and increases the net hydrogen balance. The catalyst comprises a Group 8B metal, preferably, a platinum group metal, and at least one promoter selected from Groups 1B, 6B, 3A, 4A, and 5A, optionally supported on a catalytic support, such as magnesia or alumina. In preferred embodiments, the support is pretreated with a support modifier selected from Groups 1A, 2A, 3B, 4B, 5B, 6B, 1B, 3A, 4A, 5A, the rare earth lanthanides, and the actinides. A modified fluidized bed reactor is disclosed for the process.
Inventors:
Bukhara Dwaji, Somer S
Seriously, Joseph Jay
Sidour, Jonathan H
Seriously, Joseph Jay
Sidour, Jonathan H
Application Number:
JP2000568797A
Publication Date:
June 20, 2007
Filing Date:
September 01, 1999
Export Citation:
Assignee:
Dow Global Technologies Inc.
International Classes:
B01J23/89; B01J23/40; B01J23/54; B01J23/56; B01J23/62; B01J23/644; B01J23/70; B01J23/755; B01J23/76; B01J23/96; B01J35/04; B01J35/06; B01J37/02; B01J37/16; C07B61/00; C07C4/06; C07C5/48; C07C11/04; C07C11/06; C07C11/09; C07C11/167; C10G11/02; C10G11/22; C10G27/04; B01J21/04; B01J21/10; B01J37/18
Domestic Patent References:
| JP53001192A |
Foreign References:
| WO1997026987A1 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Takako Koiso
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Takako Koiso