EP 2125997 A4 20101222 - METHOD FOR REDUCING QUENCH OIL FOULING IN CRACKING
Title (en)
METHOD FOR REDUCING QUENCH OIL FOULING IN CRACKING
Title (de)
VERFAHREN ZUR VERRINGERUNG DER LÖSCHÖLFÄULNIS IN RISSEN
Title (fr)
PROCÉDÉ DE RÉDUCTION DE L'ENCRASSEMENT DE L'HUILE DE TREMPE DANS LE CRAQUAGE
Publication
Application
Priority
- US 2008052881 W 20080204
- US 88846607 P 20070206
- US 2425108 A 20080201
Abstract (en)
[origin: US2008185316A1] Quench oil aging and its propensity to cause fouling may be evaluated by determining the amount of a precipitant necessary to cause the flocculation of polymer species present in the quench oil. The propensity of quench oil to cause fouling may be used as a basis to mitigate fouling in cracking processes.
IPC 8 full level
C10G 9/16 (2006.01); C10G 75/04 (2006.01)
CPC (source: EP US)
C10G 9/00 (2013.01 - EP US); C10G 2400/02 (2013.01 - EP US); C10G 2400/04 (2013.01 - EP US); C10G 2400/20 (2013.01 - EP US)
Citation (search report)
- [XYI] US 5215649 A 19930601 - GRENOBLE DANE C [US], et al
- [Y] EP 1064340 B1 20031105 - ONDEO NALCO ENERGY SERV LP [US]
- See references of WO 2008097881A2
Citation (examination)
K. RAJAGOPAL ET AL: "An experimental study of asphaltene particle sizes in n-heptane-toluene mixtures by light scattering", BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING, vol. 21, no. 4, 31 December 2004 (2004-12-31), BR, pages 601 - 609, XP055354965, ISSN: 0104-6632, DOI: 10.1590/S0104-66322004000400009
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2008185316 A1 20080807; EP 2125997 A2 20091202; EP 2125997 A4 20101222; WO 2008097881 A2 20080814; WO 2008097881 A3 20081030
DOCDB simple family (application)
US 2425108 A 20080201; EP 08728893 A 20080204; US 2008052881 W 20080204