Energy savings in heat-integrated distillation columns

The heat-integrated distillation column (HIDiC) provides one of the most effective applications of heat-pump technologies to industrial processes. It reinforces a separation process and yields larger energy savings than other methods such as overhead-to-reboiler heat pumps, which involve moving heat...

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Bibliographic Details
Published inEnergy (Oxford) Vol. 22; no. 6; pp. 621 - 625
Main Authors Nakaiwa, M., Huang, K., Owa, M., Akiya, T., Nakane, T., Sato, M., Takamatsu, T.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.06.1997
Elsevier Science
Subjects
Applied sciences
Chemical engineering
Distillation
Exact sciences and technology
Distillation
Energy consumption
Plate column
Heat pump
Aromatic compounds
Energy conservation
Benzene
Toluene
Energy recovery
Binary mixtures
Modeling
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Summary:The heat-integrated distillation column (HIDiC) provides one of the most effective applications of heat-pump technologies to industrial processes. It reinforces a separation process and yields larger energy savings than other methods such as overhead-to-reboiler heat pumps, which involve moving heat between the hottest and coldest points in the distillation column. A simulation study of this column has been applied to the benzene-toluene system to evaluate energy consumption and the required number of stages for comparison with a conventional column. In an example, the total energy requirements were reduced about 60% below those for a conventional column.
Bibliography:ObjectType-Article-2
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ISSN:0360-5442
DOI:10.1016/S0360-5442(96)00157-0