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Energy source replacement in a thermal power plant
Matej Fike, Andrej Predin, 2022, original scientific article

Abstract: In Slovenia, approximately one third of electricity is produced in thermal power plants. Electricity prices have risen sharply recently. There are several reasons for this. One of them is the large increase in the price of CO2 coupons that thermal power plants have to buy, since they emit large amounts of greenhouse gas into the environment during the production of electricity. Emissions of the greenhouse gas CO2 are the result of burning fossil fuels, in this case coal. We want to use renewable energy sources to replace fossil fuels and reduce greenhouse gas emissions. More than half of Slovenia is covered with forest, and as a result, wood biomass energy represents a great energy potential. One possibility is the use of wood biomass in a classic thermal power plant for the production of electricity. This contribution presents the energy potential of Slovenian forests, before evaluating the replacement of the energy source in the existing coal-based thermal power plant with wood biomass. It has been discovered that there is enough wood biomass in Slovenia, and that all the electricity that is currently produced from coal can be produced from wood biomass. The cost of wood biomass is higher than the cost of coal. By changing the energy source, we save on the purchase of CO2 coupons. Therefore, the use of wood biomass represents an economically justified energy source for the production of electricity.
Keywords: wood biomass, thermal power plant, electricity production
Published in DKUM: 30.10.2023; Views: 313; Downloads: 5
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Long-term creep compliance of wood polymer composites: using untreated wood fibers as a filler in recycled and neat polypropylene matrix
Marko Bek, Alexandra Aulova, Klementina Pušnik Črešnar, Sebastjan Matkovič, Mitjan Kalin, Lidija Slemenik Perše, 2022, original scientific article

Abstract: Neat (NPP) and recycled (RPP) polypropylene matrix materials were used to prepare wood–polymer composites with untreated wood fibers up to 40 wt.%. Long-term creep properties obtained through the time-temperature superposition showed superior creep resistance of composites with NPP matrix. In part, this is attributed to their higher crystallinity and better interfacial adhesion caused by the formation of a transcrystalline layer. This difference resulted in up to 25% creep compliance reduction of composites with NPP matrix compared to composites with recycled (RPP) polypropylene matrix, which does not form a transcrystalline layer between the fibers and polymer matrix. Despite the overall inferior creep performance of composites with RPP matrix, from the 20 wt.% on, the creep compliance is comparable and even surpasses the creep performance of unfilled NPP matrix and can be a promising way to promote sustainability.
Keywords: lesno-polimerni kompoziti, lezenje, vzdržljivost, les, recikliranje, wood–polymer composites, creep, durability, wood, recycling
Published in DKUM: 16.08.2023; Views: 226; Downloads: 17
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5.
Electricity and heat production by biomass
Simon Marčič, Milan Marčič, Zdravko Praunseis, 2016, original scientific article

Keywords: cogeneration, wood gas
Published in DKUM: 12.12.2016; Views: 1956; Downloads: 266
.pdf Full text (912,09 KB)

6.
UPORABNOST PRISTOPA GVERILSKEGA MARKETINGA V PODJETJU WOOD STOCK
Samo Pušnik, 2013, undergraduate thesis

Abstract: Podjetje Wood Stock je podjetje, ki je v fazi prodiranja na trg in ustvarjanja teže svojega imena. Gre za povsem pristni slovenski produkt, za katerim stoji 6-članska ekipa. V teoretičnem delu naloge sem predstavil, kaj gverilski marketing je, kako je nastal in kje se uporablja. Omenil sem tudi glavna imena tega področja. Predstavil sem nekaj že izpeljanih gverilskih akcij manjših in tudi večjih podjetij. Na podlagi teoretičnega dela sem lahko ocenil primernost gverilskega marketinga za podjetje Wood Stock. V praktičnem delu pa je prvotno opisano podjetje Wood Stock in njihova ročno izdelana lesena očala. In kratka tržna raziskava o ponudnikih lesenih očal in cenovnem razredu v katerem se nahajajo. Sledi opis v praksi izpeljane Wood Stock gverilske akcije, ki je bila realizirana avgusta 2013 v Ljubljani. Ocenil sem uspešnost teakcije in možnost njene uporabe na avstrijskem trgu. Opisana pa je tudi ideja za še nerealizirano gverilsko akcijo, ki bi bila primerna za podjetje Wood Stock. V sklepnem delu so strnjena vsa dejstva in ugotovitve, ali je isti gverilski pristop podjetja Wood Stock primeren tudi za avstrijski trg ali ne.
Keywords: gverilski marketing, prodor na trg, promocija, »start-up« podjetje, lesena očala, Wood Stock.
Published in DKUM: 12.11.2013; Views: 1606; Downloads: 155
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