Title:
統合されたプロピレン生成
Document Type and Number:
Japanese Patent JP5298195
Kind Code:
B2
Abstract:
A process for the production of propylene, the process including: fractionating a hydrocarbon stream comprising n-butenes, isobutylene, and paraffins into at least two fractions including a light C4 fraction comprising isobutylene and a heavy C4 fraction comprising n-butenes and paraffins; contacting at least a portion of the heavy C4 fraction with a metathesis catalyst to form a metathesis product comprising ethylene, propylene, C4+ olefins, and paraffins; fractionating the metathesis product into at least four fractions including an ethylene fraction, a propylene fraction, a C4 fraction comprising C4 olefins and paraffins, and a C5+ fraction; cracking the light C4 fraction and the C5+ fraction to produce a cracking product comprising ethylene, propylene, and heavier hydrocarbons; and fractionating the cracking product into at least two fractions including a light fraction comprising propylene and a fraction comprising C5 to C6 hydrocarbons.
Inventors:
Gartside, robert jay
Ramachandran, rose
Ramachandran, rose
Application Number:
JP2011523103A
Publication Date:
September 25, 2013
Filing Date:
August 11, 2009
Export Citation:
Assignee:
LUMMUS TECHNOLOGY INC.
International Classes:
C07C11/06; C07C4/06; C07C6/02; C07C6/08; C07B61/00
Domestic Patent References:
| JP3167137A | ||||
| JP3167136A | ||||
| JP2007531696A |
Attorney, Agent or Firm:
Fukami patent office