Title:
PROCESS FOR STEAM CRACKING HEAVY HYDROCARBON FEEDSTOCKS
Document Type and Number:
WIPO Patent Application WO2005095548
Kind Code:
A8
Abstract:
A process for cracking heavy hydrocarbon comprising heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vapor phase and a liquid phase, separating and cracking the vapor phase, and cooling the product effluent in a transfer line exchanger, wherein the amount of the fluid and/or the primary dilution steam stream mixed with the heavy hydrocarbon feedstock is varied in accordance with at least one selected operating parameter of the process, such as the temperature of the flash stream before entering the flash/separator vessel.
Inventors:
MCCOY JAMES N (US)
SPICER DAVID B (US)
STELL RICHARD C (US)
SPICER DAVID B (US)
STELL RICHARD C (US)
Application Number:
PCT/US2005/006471
Publication Date:
October 26, 2006
Filing Date:
February 28, 2005
Export Citation:
Assignee:
EXXONMOBIL CHEM PATENTS INC (US)
MCCOY JAMES N (US)
SPICER DAVID B (US)
STELL RICHARD C (US)
MCCOY JAMES N (US)
SPICER DAVID B (US)
STELL RICHARD C (US)
International Classes:
C10G9/36; C07C4/04; C10G9/14; C10G9/20
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