Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Reexamination Certificate
2007-01-09
2007-01-09
Caldarola, Glenn (Department: 1764)
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
C208S04800Q, C208S125000, C208S131000, C208S132000, C436S056000, C436S139000, C585S950000
Reexamination Certificate
active
10680920
ABSTRACT:
The present invention relates to a method for determining the source of fouling in petroleum thermal conversion process units. More particularly, the invention distinguishes whether fouling occurs due to feed entrainment of small feed droplets or vapor phase condensation.
REFERENCES:
patent: 3546316 (1970-12-01), Koszman
patent: 4169041 (1979-09-01), Schuette
patent: 4507196 (1985-03-01), Reed et al.
patent: 4642175 (1987-02-01), Rudnick
patent: 4756819 (1988-07-01), Bousquet et al.
patent: 4770764 (1988-09-01), Ohtake et al.
patent: 4863892 (1989-09-01), Porter et al.
patent: 5000836 (1991-03-01), Forester
patent: 5296130 (1994-03-01), Kriz et al.
patent: 5658455 (1997-08-01), Hammond et al.
patent: 5863418 (1999-01-01), Heyse et al.
patent: 5919352 (1999-07-01), Serrand et al.
patent: WO98/58040 (1998-12-01), None
Knapper et al., “Measurement of Efficiency of Distribution of Liquid Feed in a Gas-Solid Fluidized Bed Reactor”, International Journal of Chemical Reactor Engineering, vol. 1, 2003 (abstract only).
Kopinke, F.D., et al., “On the Mechanism of Coke Formation in Steam Cracking—Conclusions from Results Obtained by Tracer Experiments,”Carbon, vol. 26, No. 2, pp. 117-124, 1988, XP-002274238.
Gentzis, T., et al., “A microscopic approach to determine the origin and mechanism of coke formation in fractionation towers,”Guildford, GB, vol. 82, No. 12, Mar. 20, 2003, pp. 1531-1540, XP004423181, ISSN: 0016-2361.
Brown Leo D.
Maa Peter S.
Olmstead William N.
Siskin Michael
Caldarola Glenn
ExxonMobil Research and Engineering Company
Kliebert Jeremy J.
Naylor Henry E.
Singh Prem C.
LandOfFree
Method for determining the source of fouling in thermal... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for determining the source of fouling in thermal..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for determining the source of fouling in thermal... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3722180