Energy saving in multicomponent separation using an internally heat-integrated distillation column (HIDiC)

被引:134
|
作者
Iwakabe, Koichi
Nakaiwa, Masaru
Huang, Kejin
Nakanishi, Toshinari
Rosjorde, Audun
Ohmori, Takao
Endo, Akira
Yamamoto, Takuji
机构
[1] Natl Inst Adv Ind Sci & Technol, Energy Efficient Chem Syst Grp, Res Inst Innovat Sustainable Chem, Tsukuba, Ibaraki 3058565, Japan
[2] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Chem Engn, Tokyo 1528552, Japan
[3] Kimura Chem Plants Co Ltd, R&D Dept, Amagasaki, Hyogo 6608567, Japan
[4] Norwegian Univ Sci & Technol, Dept Chem, N-7491 Trondheim, Norway
关键词
distillation; energy saving; heat integration; simulation; hydrocarbons;
D O I
10.1016/j.applthermaleng.2005.05.026
中图分类号
O414.1 [热力学];
学科分类号
摘要
Energy savings by an internally heat-integrated distillation column (HIDiC) for the separation of multicomponent mixtures were studied. The design and the operating variables of a HIDiC were defined for this purpose, and were systematically varied to carry out a sensitivity analysis. Benzene-toluene-p-xylene (BTX) mixture and 12-component hydrocarbons (12HC) mixture were chosen as model systems. Sensitivity analysis showed that the HIDiC is able to reduce energy consumption by about 30% for the BTX system and an even better 50% for the 12HC system. The effects on energy consumption of the design and the operating variables were also examined. (c) 2005 Published by Elsevier Ltd.
引用
收藏
页码:1362 / 1368
页数:7
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