Chemistry of hydrocarbon compounds – Unsaturated compound synthesis
Patent
1991-12-31
1993-10-19
Garvin, Patrick P.
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
585943, 585602, 585910, 585911, C07C 200
Patent
active
052547817
ABSTRACT:
An olefins process is described which combines cracking of a hydrocarbon feedstock with the coupling of methane using an oxygen-affording gas such that the heat evolved in the exothermic methane coupling reaction is effectively transferred to the endothermic cracking process in a manner which does not allow the non-hydrocarbon products in the effluent of the methane coupling reaction to mix with the effluent of the cracking process. By combining the cryogenic requirements of the two processes, the refrigeration used in air liquifaction to separate oxygen for the methane coupling process can provide refrigerant nitrogen to liquify one or more of methane, ethylene and propylene which can be used in the cryogenic separation of the C.sub.2 + hydrocarbon products in the cracking process effluent.
REFERENCES:
patent: 3223746 (1965-12-01), Hammond et al.
patent: 3392211 (1968-07-01), Buschmann et al.
patent: 5025108 (1991-06-01), Cameron et al.
Calamur Narasimhan
Huff, Jr. George A.
Lindahl Harold A.
Amoco Corporation
Garvin Patrick P.
Irzinski E. D.
Nemo Thomas E.
Oliver Wallace L.
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