NDLI: Characteristics of energy savings in an ideal heat-integrated distillation column (HIDiC)

Content Provider	IEEE Xplore Digital Library
Author	Nakaiwa, H. Huang, K. Owa, M. Akiya, T. Nakane, T. Sato, M. Takamatsu, T.
Copyright Year	1997
Description	Author affiliation: Dept. of Chem. Syst., Nat. Inst. of Mater. of Chem. Res., Tsukuba, Japan (Nakaiwa, H.)
Abstract	Distillation columns are major energy consumers in the chemical and petrochemical industries. In order to reduce energy consumption, considerable studies have been carried out and many distillation columns have been proposed. A heat-integrated distillation column (HIDiC) is constructed in such a manner that its rectifying and stripping sections are separated, while connected through a compressor and a throttling valve. Separation is benefited by heat integration between the two sections. To provide the driving forces for heat transfers from the rectifying to the stripping sections, the former must be operated at a higher pressure than the latter. The HIDiC is expected to be more energy efficient than conventional columns, while at the expenses of some energy to raise up the pressure of the rectifying section. In this paper, it is shown by thermodynamical consideration that the HIDiC has high potential of energy loss reduction compared with conventional columns. The effects of pressure difference on energy saving are analyzed, and possibility of energy saving is found in some case studies.
Starting Page	1587
Ending Page	1591
File Size	401729
Page Count	5
File Format	PDF
ISBN	0780345150
DOI	10.1109/IECEC.1997.656658
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1997-07-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Distillation equipment Chemical industry Feeds Valves Heat transfer Chemical technology Heat pumps Open wireless architecture Petrochemicals Energy consumption
Content Type	Text
Resource Type	Article

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