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Wyszukujesz frazę "schlegel, J." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-4 z 4
    Tytuł:
    Hydrothermal carbonization processes to increase the transportability of plant biomasses
    Autorzy:
    Schlegel, M.
    Ibrahim, B.
    Fras, J.
    Kanswohl, N.
    Zosel, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/409568.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    transportability
    plant biomasses
    process
    Opis:
    Plant biomasses often have high water content and their energy and material density is too low, which significantly affects their high transport costs. Hydrothermal carbonization is a suitable method to increase the transportability of these biomasses. The produced biochar (HTC-char) is rich in carbon. Disadvantages of such carbonization process are the quality fluctuations of the biochars produced. This is also because there are to date no suitable measuring methods for the carbonization process. The paper presents a novel method, which will help to influence the carbonization process in the sense of qualitatively equivalent biochars by means of the achievable data therewith.
    Źródło:
    Research in Logistics & Production; 2018, 8, 2; 169-178
    2083-4942
    2083-4950
    Pojawia się w:
    Research in Logistics & Production
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Biomass logistics in the field of renewable energy
    Autorzy:
    Dettmann, S.
    Kanswohl, N.
    Frąś, J.
    Schlegel, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/409512.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    logistics
    biomass
    renewable energy
    Opis:
    The use of sugar beets is no longer limited to the production of sugar. The application of the beets as a substrate in biogas plants is a new domain that is gaining in importance. The biomass logistics for sugar beets from the field to the sugar factory, known as campaigns, has been greatly improved in the recent years. The harvest of beets for sugar production, usually by agricultural wage enterprises, is very powerful and the subsequent logistical steps are well coordinated. To improve the efficiency of the deployment of sugar beet for biogas production new logistics solutions are necessary.
    Źródło:
    Research in Logistics & Production; 2014, 4, 4; 307-314
    2083-4942
    2083-4950
    Pojawia się w:
    Research in Logistics & Production
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optimization of the Deployment of Bioenergy by Increasing the Efficiency of Biogas Production
    Autorzy:
    Dettmann, S.
    Kanswohl, N.
    Fras, J.
    Schlegel, M.
    Geick, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/409266.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    bioenergy
    biogas
    biogas digester
    efficiency
    methane production
    Opis:
    The share of renewable energy, which is used for power supply, increases worldwide steadily to avoid the threat of climate change. In the renewable energy production from renewable resources biogas plays an important role. Biogas can be provided continuously by the permanent availability of biomass and it is also easily to store. In the context of competition for land between food and feed production as well as the cultivation of renewables an efficient biogas production is extremely important. Strategies for this aim are installing biogas plants in order to increase the biogas output and take measures to increase the efficiency of existing biogas plants or of concepts of biogas digesters for the new installation.
    Źródło:
    Research in Logistics & Production; 2016, 6, 1; 5-14
    2083-4942
    2083-4950
    Pojawia się w:
    Research in Logistics & Production
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Logistical Advantages Due to the Use of an Innovative Sensor Unit for Controlling Optimum Biogas Processes
    Autorzy:
    Schlegel, M.
    Fras, J.
    Geick, T.
    Zosel, J.
    Schelter, M.
    Kritzner, A.
    Orth, M.
    Ibrahim, B.
    Kanswohl, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/409594.pdf
    Data publikacji:
    2016
    Wydawca:
    Politechnika Poznańska. Wydawnictwo Politechniki Poznańskiej
    Tematy:
    remote control
    biogas process
    sensor unit
    Opis:
    For imaging of the biogas process fast and long-term stable measurement methods misses for certain parts of the process. Thus, it is necessary to know the development of organic acids. These metabolites, which are generated during the bacterial degradation, are important indicators. The process is generally very confusing, not only in terms of the number of occurring bacteria and chemical compounds, but also their variabilities. For the knowledge of such changes a direct, low-wear and permanent monitoring of organic acids would be extremely useful. Upon the occurrence of a change like hyperacidity we could react quickly. There are already some proven methods. However, these methods have several disadvantages: the information gathering is logistically difficult by long journeys, by process conditions information’s are delayed and distorted, quickly worn sensors, etc. Therefore, a innovative development is presented here, which avoids all the disadvantages listed. The sensor unit has been developed in cooperation with KSI Meinberg, Logic Way Schwerin, IBZ Hohen Luckow, University of Rostock and a polish colleague. According to Raoult law a characteristic is used in principle, which is typical of some liquid and gaseous media that are touching. This means volatile substances, which for example, are also in the fermenter broth, among others organic acids, are also detectable in the gaseous phase. If in the gas phase such acids can be detected, conclusions about the acid content in the substrate broth are possible. In different experiments evaluable matches between the developments of organic acids on the one hand in the liquid phase (broth) and on the other hand, in the gaseous phase were found. These results are based on an acid sensor unit with which distant standing biogas plants can be controlled remotely. A project regarding this topic is supported by research programme ZIM. Project executing organization is AiF (Arbeitsgemeinschaft industrieller Forschungsvereinigungen “Otto von Guericke” e.V.).
    Źródło:
    Research in Logistics & Production; 2016, 6, 5; 407-418
    2083-4942
    2083-4950
    Pojawia się w:
    Research in Logistics & Production
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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