Texaco Inc.

James Mudra, Iv

Hsu-Hui Hsing

Lee K Gilmer

George P Partridge, Jr

Kenneth R Comey, Iii

In a fluid catalytic cracking (FCC) process coked catalyst is partially regenerated by contacting with high temperature steam in the absence of oxygen. About 10 to 30% of the coke is converted to a steam reformed gas comprising hydrogen, methane and carbon dioxide. The off-gas may be subjected to cryogenic separation to yield a hydrogen-rich gas.

Fluid catalytic cracking process yielding hydrogen

A safety apparatus has been found for controlling the release of flashing hydrogen fluoride in a hydrocarbon alkylation process. The safety apparatus comprises containment baffles enclosing major process vessels. The safety apparatus may be used in combination with a liquid onium polyhydrogen fluoride complex to substantially reduce the vapor cloud produced from a leaking process vessel.

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Beaumont, TX, United States of America

James Mudra, Iv