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Improving the economic and environmental performances of the beet sugar industry in Slovenia: increasing fuel efficiency and using by-products for ethanol
Damjan Krajnc, Miro Mele, Peter Glavič, 2007, izvirni znanstveni članek

Opis: This paper investigates the possibilities of attaining zero-waste emissions inthe case of sugar production. The case-studied sugar plant located in Slovenia reflected a typical plant, using traditional sugar production from beet. An investigation of the possible use of waste and by-products from sugarprocessing was carried out, in order to approach zero-waste from beet sugar processing. The sugar production process was simulated and optimization was carried out concerning energy utilization. Consumption of energy in the chosen sugar plant was lowered by simultaneous optimization of the evaporationand crystallization process. Changing the fuel type used in the case-studied sugar plant (replacement of heavy fuel oil with natural gas) produced a significant decrease in air emission. Opportunities in the sugar industry have been discovered for adapting to new market conditions through the optimization of combined sugar-ethanol production. The two proposed options have been economically and environmentally evaluated and compared.
Ključne besede: kemična industrija, trajnostni razvoj, proizvodnja sladkorja, minimiranje porabe energije, evaporacija, etanol, chemical industries, sustainable development, sugar production, energy minimization, evaporation, ethanol, zero waste
Objavljeno: 01.06.2012; Ogledov: 1990; Prenosov: 79
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Fuzzy Logic Model for the performance benchmarking of sugar plants by considering best available techniques
Damjan Krajnc, Miro Mele, Peter Glavič, 2007, izvirni znanstveni članek

Opis: This paper deals with the problem of performance benchmarking of traditional beet sugar plants, by considering Best Available Techniques (BAT) for beet sugar production, as determined by the Integrated Pollution Prevention and Control (IPPC) Directive. A Fuzzy Logic Model, based on fuzzy set theory, was constructed for this purpose, in order to compare the performances of sugar plants within the sector's best standards, as expressed in the Reference Document on BAT. The effectiveness of the model was tested in the case study,in which three sugar plants were benchmarked against the BAT regarding the consumption of energy, water, raw materials and the production of wastes, wastewater, by-products and the main product. The model was recognized as helpful for the benchmarking needs of sugar plants. In addition, by integrating BAT Reference Document analysis into the model, it provides IPPC permitting authorities with an objective method and uniform BAT benchmarks to manage permitting process.
Ključne besede: chemical processing, beet sugar production, sugar industry, clean technologies, performance benchmarking, IPPC Directive, technology performance assessment, fuzzy set theory, best available techniques, IPPC permitting process
Objavljeno: 31.05.2012; Ogledov: 1948; Prenosov: 76
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Modeli oskrbe kot instrumenta strategije inoviranja podjetja v procesni industriji : magistrsko delo
Miro Mele, 2006, magistrsko delo

Ključne besede: inovacije, oskrba, modeli, proizvodni proces, industrijska organizacija, inovativno poslovanje, metode, delavci, delovna uspešnost, ankete, poslovni sistemi, organizacijske strukture, prenova, podjetje, poslovanje podjetja, inovacijski proces, modeli, strategija
Objavljeno: 30.05.2012; Ogledov: 1386; Prenosov: 56
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