Process for conversion of naphtha to ethylene

Details Process for conversion of naphtha to ethylene Process for conversion of naphtha to ethylene

1977-12-22

1979-12-18

Vertiz, O. R.

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

With subsequent diverse conversion

208 57, 208 61, 585650, C07C 504

Patent

active

041794745

ABSTRACT:
A catalytically hydrogenated naphtha stream containing less than 10 ppm by weight of sulfur is pyrolyzed without added hydrogen to a product including ethylene. Selectivity to ethylene is increased by adding a sulfur compound to increase the sulfur content to above 20 ppm by weight based on hydrogenated naphtha. Addition of the sulfur compound increases the quality of hydrogenated naphtha as a pyrolysis feedstock nearly to that of a C.sub.2 to C.sub.5 paraffin stream.

REFERENCES:
patent: 3708550 (1973-01-01), Beuther et al.
patent: 3848017 (1974-11-01), Shalit
patent: 3907920 (1975-09-01), Starks

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