METHOD OF HEATING THE MAINLY LIGROIN-BASE HYDROCARBON RAW FEEDING FOR SPLITTING Russian patent published in 1997 - IPC

Abstract RU 2097403 C1

FIELD: chemical technology of olefins. SUBSTANCE: method involves at least three-stage indirect raw heat-exchange that contains nonhydrogenated C₄-fraction and diluting agent (foam gases of thermic splitting). Raw and diluting agent were passed separately through the corresponding first stage of indirect heat-exchange. Diluting agent in mixture with nonhydrogenated C₄-fraction is passed through the first stage of indirect heat-exchange followed by addition of a mixture to hydrocarbon raw. EFFECT: improved method of heating. 9 cl, 2 dwg

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RU 2 097 403 C1

Authors

Tsimmermann Khejnts[De]

Shvab Vol'Fgang[De]

Dates

1997-11-27—Published

1993-08-20—Filed