CPC C07C 5/327 (2013.01) | 20 Claims |
1. A method for steam cracking of hydrocarbons, the method comprising:
(a) heating a hydrocarbon feed stream with a first quench water stream to form a heated hydrocarbon feed stream and a second quench water stream having a temperature lower than the first quench water stream;
(b) steam cracking the heated hydrocarbon feed stream to form a cracked stream comprising cracked gases;
(c) contacting the cracked stream with quench water to form a gaseous stream comprising quenched cracked gases and a crude water stream comprising heated quench water and pyrolysis gasoline; and
(d) separating the crude water stream to form the first quench water stream.
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