EP 4179269 A1 20230517 - METHOD AND SYSTEM FOR SEPARATING A FEED FLOW
Title (en)
METHOD AND SYSTEM FOR SEPARATING A FEED FLOW
Title (de)
VERFAHREN UND EINE ANLAGE ZUR AUFTRENNUNG EINES EINSATZSTROMS
Title (fr)
MÉTHODE ET SYSTÈME SERVANT À SÉPARER UN FLUX D'ALIMENTATION
Publication
Application
Priority
- DE 102020117937 A 20200707
- EP 2021025223 W 20210622
Abstract (en)
[origin: CA3184670A1] The invention relates to a method and a system (100) for separating a feed flow (1) which contains at least hydrogen and a hydrocarbon with three or four carbon atoms per molecule, in particular propane, propylene, propadiene, butane, 1-butene, 2-butene, and/or 1,3-butadiene. The condensed feed flow (1) is cooled over multiple cooling steps in at least two heat exchangers (120, 130) and is then separated into a condensate (7, 8, 9) and a residual gas flow (3, 5, 11) after each cooling step. The at least two heat exchangers (120, 130) are operated at at least two different temperature levels, wherein a hot heat exchanger (120) is operated at an average temperature level, and a cold heat exchanger (130) is operated at a lower temperature level. An internal refrigerant (15), which is made of a part (13) of one of the condensate flows (7, 8, 9) and a part (14) of one of the residual gas flows (3, 5, 11), is used to dispense a part of the heat from the cold heat exchanger (130).
IPC 8 full level
F25J 3/06 (2006.01); C07C 7/09 (2006.01); C07C 11/02 (2006.01)
CPC (source: EP US)
C07C 7/09 (2013.01 - EP); F25J 3/062 (2013.01 - EP US); F25J 3/0645 (2013.01 - EP US); F25J 3/065 (2013.01 - EP US); F25J 3/0655 (2013.01 - EP US); F25J 2210/04 (2013.01 - EP US); F25J 2210/12 (2013.01 - EP); F25J 2210/62 (2013.01 - EP US); F25J 2215/02 (2013.01 - EP US); F25J 2215/64 (2013.01 - EP US); F25J 2215/66 (2013.01 - EP US); F25J 2230/30 (2013.01 - EP US); F25J 2240/02 (2013.01 - EP US); F25J 2245/02 (2013.01 - EP); F25J 2270/90 (2013.01 - EP); F25J 2270/904 (2013.01 - EP)
Citation (search report)
See references of WO 2022008095A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102020117937 A1 20220113; AU 2021306798 A1 20230209; CA 3184670 A1 20220113; CN 115968363 A 20230414; EP 4179269 A1 20230517; US 2023266060 A1 20230824; WO 2022008095 A1 20220113; ZA 202300324 B 20231129
DOCDB simple family (application)
DE 102020117937 A 20200707; AU 2021306798 A 20210622; CA 3184670 A 20210622; CN 202180045851 A 20210622; EP 2021025223 W 20210622; EP 21737559 A 20210622; US 202118004260 A 20210622; ZA 202300324 A 20230106