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    Wyświetlanie 1-3 z 3
    Tytuł:
    Waste as substrates for agricultural biogas plants : A case study from Poland
    Autorzy:
    Czekała, Wojciech
    Pulka, Jakub
    Jasiński, Tomasz
    Szewczyk, Piotr
    Bojarski, Wiktor
    Jasiński, Jan
    Powiązania:
    https://bibliotekanauki.pl/articles/2203541.pdf
    Data publikacji:
    2023
    Wydawca:
    Instytut Technologiczno-Przyrodniczy
    Tematy:
    biofuels
    biogas plant
    circular economy
    renewable energy
    waste management
    waste to energy
    Opis:
    Energy production from renewable sources is one of the main ways to fight against global warming. Anaerobic digestion process can be used to produce biogas containing methane. In the light of the growing demand for substrates, a variety of raw materials are required. These substrates should be suitable for anaerobic digestion, and processing them need to provide the desired amount of energy. This paper aims to discuss the agricultural biogas market in Poland, its current state, and the possibility of development during energy transformation, in particular in terms of using waste as a substrate for energy production. In February 2022, there were 130 agricultural biogas plants registered in Poland. On the other hand, in 2020, 4,409,054.898 Mg of raw materials were used to produce agricultural biogas in Poland. Among all the substrates used, waste played a special role. With the right amount of raw materials and proper management of a biogas plant, it is possible to produce electricity and provide stable and predictable heat supply. Bearing in mind the development of the Polish and European biogas markets, attention should be paid to ensure access to raw materials from which chemical energy in the form of biogas can be generated. Due to limited access to farmland and the increasing demand for food production, one should expect that waste will be increasingly often used for biogas production, especially that with high energy potential, such as waste related to animal production and the meat industry.
    Źródło:
    Journal of Water and Land Development; 2023, 56; 45--50
    1429-7426
    2083-4535
    Pojawia się w:
    Journal of Water and Land Development
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    A Possibility of Functioning Biogas Plant at a Poultry Farm
    Autorzy:
    Janczak, Damian
    Mazurkiewicz, Jakub
    Czekała, Wojciech
    Myszura, Magdalena
    Kozłowski, Kamil
    Jeżowska, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/125450.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    poultry waste
    biogas
    renewable energy
    environmental protection
    sustainable development
    animal production
    Opis:
    The biogas production constitutes one of renewable energy sources (RES) . In addition, wastes are preferred for energy production. In the case of some wastes, e.g. poultry manure, it is difficult to conduct anaerobic digestion in monofermentation. The aim of this work was to plan the biogas plant, in which the main substrate is the waste from a poultry farm. The scope of work included: preparation of a biogas plant technological project, determining the amount of biogas and methane that can be produced annually on the example of the selected poultry farm, performing the energy and financial calculations for the current conditions prevailing on the renewable energy market in Poland. The installation project assumed the location of a biogas plant at an existing poultry farm – the source of the substrate. The micro-biogas plant includes a fermentation tank with a capacity of 500 m3 and storage of digestate pulp with a capacity of 700 m3. The assumed power biogas plant will generate 112 kW of electricity and 120 kW of heat. The installation will operate in a single-stage mesophilic technology (39 °C), which will avoid incurring additional costs related to heating and the construction of additional fermentation tanks. The use of poultry manure by anaerobic digestion provides benefits through biogas technology. It is necessary to examine the technology in terms of biogas production, which is carried out under better sanitary and environmental conditions. This work was undertaken to investigate the environmentally friendly removal of poultry manure through biogas technology to obtain the best economic effect, and employ it further, e.g. as a fertilizer.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 11; 225-231
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biogas Production from Raw Digestate and its Fraction
    Autorzy:
    Czekała, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/124971.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    digestate
    digested pulp
    agricultural biogas plants
    anaerobic digestion
    waste management
    renewable energy sources
    circular economy
    Opis:
    The digestate from an agricultural biogas plant is most commonly used as a fertilizer. However, many studies are being performed to develop other ways of managing this substrate. The aim of this study was to determine the biogas and methane efficiency for digestate as well as the solid and liquid fractions from separation of digestate. The material for the research came from a real scale agricultural biogas plant. The separation of the digestate into two fractions was carried out using a mechanical press. The studies on the methane fermentation process were carried out under mesophilic conditions (37–39°C) in the Institute of Biosystems Engineering at the Poznań University of Life Sciences. It was found that the biogas and methane efficiency for the raw digestate and liquid fraction obtained from its separation is very low. For raw digestate it was 2.9 m3 of biogas from 1 Mg fresh matter (FM), including 1.58 m3 methane. For liquid fraction after separation, the biogas efficiency amounted to 1.52 m3 from 1 Mg, including 0.78 m3 of methane. In turn, for the solid fraction, the biogas efficiency was 102.93 m3∙Mg-1, including 54.99 m3∙Mg-1 of methane. The research results indicate that the possibility of using the digestate solid fraction for energy production (e.g. secondary methane fermentation) or the production of solid biofuels.
    Źródło:
    Journal of Ecological Engineering; 2019, 20, 6; 97-102
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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