English  |  正體中文  |  简体中文  |  Items with full text/Total items : 57615/91160 (63%)
Visitors : 13558225      Online Users : 277
RC Version 7.0 © Powered By DSPACE, MIT. Enhanced by NTU Library & TKU Library IR team.
Scope Tips:
  • please add "double quotation mark" for query phrases to get precise results
  • please goto advance search for comprehansive author search
  • Adv. Search
    HomeLoginUploadHelpAboutAdminister Goto mobile version
    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/85049

    Title: Analysis, Synthesis, and Design of a One-Step Dimethyl Ether Production via a Thermodynamic Approach
    Authors: Chen, Hsi-Jen;Fan, Chei-Wei;Yu, Chiou-Shia
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Clean energy;Process synthesis and design;Pinch technology;Energy savings;Dimethyl ether
    Date: 2013-01
    Issue Date: 2013-04-07 12:05:20 (UTC+8)
    Publisher: Amsterdam: Elsevier
    Abstract: In this work, we have developed a direct one-step process design on an oxygenate production, namely, dimethyl ether (DME). DME can be used as a cetane-number booster for diesel, in addition to being capable of a substitute for liquefied petroleum gas (LPG). In order to analyze the independent chemical reactions involved in the reactor, it is necessary to carry out a study of the chemical reaction stoichiometry. And with a specific syngas feed, the following reactions are found: (1) CO2 + H2 = H2O + CO, (2) CO + 2H2 = CH3OH, and (3) 3CO + 3H2 = (CH3)2O + CO2. To gain an insight into the reactor design, we have also utilized the concept of thermodynamics, including equilibrium-constant method and the minimization of Gibbs free energy. Additionally, we have also united the pinch technology with the base-case design for heat exchanger network synthesis in order to compare the energy consumption and capital costs of the process with/without heat integration. Two kinds of software were used in the research—Aspen Plus and SuperTarget. The former was used for the process synthesis, design, and simulation; the latter was used to carry out the pinch analysis and the synthesis of heat exchanger network.
    Relation: Applied Energy 101, pp.449–456
    DOI: dx.doi.org/10.1016/j.apenergy.2012.08.025
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

    Files in This Item:

    File Description SizeFormat
    APEN3630(101-11-20).pdf869KbAdobe PDF1032View/Open

    All items in 機構典藏 are protected by copyright, with all rights reserved.

    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library & TKU Library IR teams. Copyright ©   - Feedback