Title:
汚損の軽減および粘度の減少
Document Type and Number:
Japanese Patent JP4280415
Kind Code:
B2
Abstract:
A method is disclosed for mitigating fouling and reducing viscosity in primary fractionators and quench sections of ethylene plants by adding to a hydrocarbon stream a mono and/or a polyalkyl-substituted phenol-formaldehyde resin having a weight average molecular weight of from about 1,000 to about 30,000 and at least one alkyl substituent containing from about 4 to about 24 carbon atoms, which alkyl substituent may be linear or branched.
Inventors:
Mannequin, Maria, Bee.
Chin, Hi, Chen
Presentity, Robert, Gee.
Diaz-Arauzo, Harnend
Chin, Hi, Chen
Presentity, Robert, Gee.
Diaz-Arauzo, Harnend
Application Number:
JP2000531512A
Publication Date:
June 17, 2009
Filing Date:
December 09, 1998
Export Citation:
Assignee:
Ondeo Narco Energy Services, L.P.
International Classes:
C10G9/12; F17D1/16; C07C7/04; C07C11/04; C10G7/00; C10G9/16; C10G75/04
Domestic Patent References:
| JP3229793A | ||||
| JP9235570A |
Foreign References:
| US5494607 | ||||
| US4900427 | ||||
| US5134594 |
Attorney, Agent or Firm:
Yasuo Ishikawa
Satoshi Nakamura
Satoshi Nakamura