Separation sequence for hydrocarbons from a gentle thermal cleavage

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United States of America Patent

PATENT NO 9919989
SERIAL NO

14238394

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Abstract

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The invention describes a method for separating hydrocarbons in an installation for generating hydrocarbons from a hydrocarbon-containing charge by cleavage. The product gas of the cleavage, which contains gaseous hydrocarbons, is compressed, dried, and supplied as charge material into a separation stage (a front end C3/C4 separation). The front end C3/C4 separation comprises a C4 absorber and a depropanizer. A hydrocarbon fraction consisting of hydrocarbons having a maximum of 3 carbon atoms is obtained as a gaseous overhead product of the C4 absorber. A liquid hydrocarbon fraction consisting of hydrocarbons having at least 4 carbon atoms is obtained as a bottom product of the depropanizer. The front end C3/C4 separation comprises an additional process technological C2/C4 separation stage is arranged between the C4 absorber and the depropanizer.

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Patent Owner(s)

  • LINDE AKTIENGESELLSCHAFT

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pham, Duc Tuat Penzberg, DE 6 12
Schmidt, Gunther Deisenhofen, DE 76 663
Schmigalle, Holger Wolfratshausen, DE 11 55
Walter, Stefanie Seehausen, DE 9 48

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