Prequench of cracked stream to avoid deposits in downstream heat

Details Prequench of cracked stream to avoid deposits in downstream heat Prequench of cracked stream to avoid deposits in downstream heat

1980-10-22

1983-05-17

Shaver, Paul F.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By c content reduction, e.g., cracking, etc.

208 48Q, C07C 402

Patent

active

043841600

ABSTRACT:
Prequenching a conversion zone effluent by direct introduction and heat exchange with a convertable material. The thus quenched effluent passes through a transfer line heat exchange zone with considerably lessened deposition of carbonaceous materials. In one embodiment, liquid ethane and/or propane is injected with the use of a nozzle into the effluent of an ethylene production.

REFERENCES:
patent: 2956093 (1960-10-01), Nicolai
patent: 3174924 (1965-03-01), Clark et al.
patent: 3788281 (1974-01-01), Campagne
patent: 4097544 (1978-06-01), Hengstebeck
patent: 4151217 (1979-04-01), Amano et al.
patent: 4264432 (1981-04-01), Gartside
patent: 4279734 (1981-07-01), Gwyn

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