Original scientific paper
https://doi.org/10.15255/CABEQ.2018.1418
Hydraulic Design of Thermally Coupled Columns and a DWC for NGL Fractionation Plants
I. Dejanović
orcid.org/0000-0002-5773-5783
; University of Zagreb, Faculty of Chemical Engineering and Technology, Department of Reaction Engineering and Catalysis, Savska cesta 16, 10 000 Zagreb, Croatia
I. J. Halvorsen
; SINTEF Digital, Mathematics and Cybernetics, PO Box 4760, Trondheim, Norway
H. Jansen
; Julius Montz GmbH, Hofstraβe 82, Hilden, Germany
Ž. Olujić
; Retired, The Hague, The Netherlands
Abstract
Combining a conventional demethanizer with thermally coupled deethanizer and propane-butane recovery columns or a three-product dividing wall column (DWC) provides a realistic opportunity for natural gas liquids (NGL) fractionation complexes as encountered in floating, as well as on-land natural gas liquefaction plants, to minimize energy requirements and reduce carbon dioxide emissions accordingly, in a cost-effective way. The present paper addresses and discusses hydraulic design aspects of these two thermal coupling arrangements, including the choice of the most appropriate column internals that largely depends on important design, construction, and operating considerations that differ for floating and on-land plants.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Keywords
dividing wall column; natural gas processing; NGL fractionation; thermal coupling
Hrčak ID:
215693
URI
Publication date:
15.1.2019.
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