FCC for producing low emission fuels from high hydrogen and low

Details FCC for producing low emission fuels from high hydrogen and low FCC for producing low emission fuels from high hydrogen and low

1992-11-30

1994-06-07

Breneman, R. Bruce

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 61, 208 89, 208113, C10G 1105, C10G 1118

Patent

active

053186940

ABSTRACT:
A fluid catalytic cracking process for producing relatively low emissions fuels. The feedstock is exceptionally low in nitrogen and aromatics and relatively high in hydrogen and a 345.degree. C.+ products fraction is recycled to the cracking zone. The catalyst is an amorphous silica-alumina or a zeolitic material which is iso-structural to faujasite. The feedstock can be characterized as having less than about 50 wppm nitrogen; greater than about 13 wt. % hydrogen; less than about 7.5 wt. % 2+ ring aromatic cores; and not more than about 15 wt. % aromatic cores overall.

REFERENCES:
patent: 4260475 (1981-04-01), Scott

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