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  • Integration of solar thermal energy into processes with heat demand
    Nemet, Andreja ; Kravanja, Zdravko ; Klemeš, Jiri
    An integration of solar thermal energy can reduce the utility cost and the environmental impact. A proper integration of solar thermal energy is requiredin order to achieve it. The objective of this ... study is to maximise thesolar thermal energy delivered to the process. It is a result of trade-off between the captured solar thermal energy and maximal energy delivered to the process (process demand). Two novel curves are introduced to present this trade-off: (i) The Captured Solar Energy Curve (CSEC), which represents the available amount of heat from solar source and (ii) The Minimal Capture Temperature Curve (MCTC), indicating the minimal temperature making the heat transfer feasible. The crossing point of these two curves presents the minimaltemperature of the capture being still sufficiently high to be usable for processes. The suitability of these curves for using in combination with standard heat integration methods is analysed and evaluated. The capture potential is revealed in full when the CSEC and MCTC are used with the Grand Composite Curve. In Total Site Profiles, the heat recovery is first maximised and then the CSEC and MCTC tool is applied. The implementation of CSEC and MCTC approach is illustrated by two case studies.
    Source: Clean technologies and environmental policy. - ISSN 1618-954X (Vol. 14, iss. 3, June 2012, str. 453-463)
    Type of material - article, component part
    Publish date - 2012
    Language - english
    COBISS.SI-ID - 15819798
    DOI

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