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  • Simultaneous heat integration and the synthesis of biogas process from animal waste : Elektronski vir
    Drobež, Rozalija ...
    The objective of this work was to perform simultaneous heat integration and the synthesis of biogas process based on the mixed-integer nonlinear programming (MINLP) model. A synthesis model recently ... developed by Drobe¡z et al . [R. Drobe¡z, Z. Novak Pintari¡c, B. Pahor, Z. Kravanja. Chem. Biochem. Eng. Q, 2009; 23, 445-459] has been upgraded for simultaneous heat integration. An industrial case study was solved in order to describe the mathematical model and to illustrate the heat-integrated MINLP synthesis approach. The optimal solution indicates that during the synthesis of biogas process and when selecting the best auxiliary facilities significant benefit can be obtained if the selected process and auxiliary facilities are heat integrated. In this way almost the complete consumption of hot utility and 1/3of cold utility can be saved, and thus most of the electricity and heat produced in the cogeneration system from biogas can be sold as surplus to the distribution networks. The proposed optimal synthesis of heat-integrated biogas process may improve a companyćs economic performance and significantly reduce its environmental impact by converting environmentally harmful organic and animal wastes into valuable products.
    Source: Asia-Pacific journal of chemical engineering [Elektronski vir]. - ISSN 1932-2143 (Vol. 6, iss. 5, 2011, str. 734-749)
    Type of material - e-article
    Publish date - 2011
    Language - english
    COBISS.SI-ID - 14358038
    DOI

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