Sustainable Dairy Industry by Using Renewable Energy Source
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Date
2017
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Abstract
Renewable energy system is a crucial issue for sustainable development. Thermodynamic analysis especially exergy analysis plays an important role to evaluate sustainability of the industrial processing systems. Food production industry is one of the energy consuming sectors and dairy industry could be placed at one of the top substantial amount of energy consuming food industry segments. Hence in this study thermodynamic analysis of a milk pasteurization system assisted by a renewable energy resource -geothermal energy was investigated. In this regard for the pasteurization of 1 kg/s milk at 76°,C the required pasteurization capacity was 21.88 kW. In case of using geothermal fluid at 100°,C the exergetic efficiency of the whole system was computed 71.05% as the first law efficiency and 56.81% as second law efficiency respectively. According to the exergy analysis the biggest exergy destruction rate was seen in the absorber as 4.577 kW. Additionally in order to develop the system' efficiency the optimum operating conditions of the system components were determined such as absorber condenser evaporator heat exchanger.
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Yeşil- Sürdürülebilir Bilim ve Teknoloji-Enerji ve Yakıtlar-Gıda Bilimi ve Teknolojisi, Gıda Bilimi Ve Teknolojisi, Yeşil, Sürdürülebilir Bilim Ve Teknoloji, Enerji Ve Yakıtlar
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1. Food and Agriculture Organization of the United Nations. URL:http://www.fao.org/agriculture/dairyegateway/milk-and-milkproducts/en/ (accessed 03.05.2015).2. Sectoral Milk Statistics in the World and Turkey. National Milk Council of Turkey. (Dünya ve Türkiye'de Süt Sektör İstatistikleri Ulusal Süt Konseyi). URL:http://www.ulusalsutkonseyi.org.tr/media/81201 4_05_22_905419.pdf (accessed 03.05.2016).3. Yildirim Ozcan N Gokcen G Thermodynamic assessment of gas removal systems for single-flash geothermal power plants Applied Thermal Engineering 2009 29 3246-3253.4. Yildirim Ozcan N Toksoy M Gokcen G Piping network design of geothermal district heating systems: Case study for a university campus Energy 2010 35 3256-3262.5. Szargut J Morris D.R Steward F.R Exergy analysis of thermal chemical and metallurgical processes Hemisphere Publishing Corporation New York 1988, pp 215.6. Quijera J.A Labidi J Pinch and exergy based thermosolar integration in a dairy process Applied Thermal Engineering 2013 50 464-474.7. Soufiyan M.M Aghbashlo M Mobli H Exergetic performance assessment of a long-life milk processing plant: a comprehensive survey Journal of Cleaner Production 2016 140(2) 590-607.8. Yildirim N Genc S Thermodynamic analysis of a milk pasteurization process assisted by geothermal energy Energy 2015 90 987-996.9. F-Chart Software http://www.fchart.com/ 2014.10. Aman J Ting DS-K Henshaw P Residential solar air conditioning: energy and exergy analyses of an ammonia-water absorption cooling system Applied Thermal Engineering 2014 62 424-432.
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Source
Celal Bayar Üniversitesi Fen Bilimleri Dergisi
Volume
13
Issue
3
Start Page
665
End Page
670
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