Process for heating a stream for a hydrocarbon conversion...

Details Process for heating a stream for a hydrocarbon conversion... Process for heating a stream for a hydrocarbon conversion...

2006-11-09

2010-06-22

Griffin, Walter D (Department: 1797)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

C208S056000, C208S133000

Reexamination Certificate

active

07740751

ABSTRACT:
One exemplary embodiment of the present invention can be a hydrocarbon conversion process. The process may include passing a hydrocarbon stream through at least one heater including at least one burner, a radiant section, and a convection section. Generally, the stream passes through the radiant section and then through the convection section before exiting the heater. Desirably, the hydrocarbon stream includes, in percent or parts by weight based on the total weight of hydrocarbons in the stream:C4or less: less than about 0.5%,sulfur or sulfur containing compounds: less than about 1 ppm, andnitrogen or nitrogen containing compounds: less than about 1 ppm.Preferably, the sulfur or sulfur containing compounds and the nitrogen or nitrogen containing compounds are measured as, respectively, elemental sulfur or nitrogen.

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