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Wyszukujesz frazę "ethanol production" wg kryterium: Temat

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    Wyświetlanie 1-7 z 7
    Tytuł:
    Influence of the crystalline structure of cellulose on the production of ethanol from lignocellulose biomass
    Autorzy:
    Smuga-Kogut, M.
    Zgorska, K.
    Szymanowska-Powalowska, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/24807.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    crystalline structure
    cellulose
    ethanol production
    lignocellulose biomass
    reducing sugar
    ionic liquid
    Źródło:
    International Agrophysics; 2016, 30, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mathematical models for prediction of rheological parameters in vinasses derived from sugar cane
    Autorzy:
    Chacua, L.M.
    Ayala, G.
    Rojas, H.
    Agudelo, A.C.
    Powiązania:
    https://bibliotekanauki.pl/articles/25873.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    mathematical model
    prediction
    rheological parameter
    vinasse
    sugar-cane
    ethanol production
    rheological model
    Źródło:
    International Agrophysics; 2016, 30, 2
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Investigation of the toxicity of the ionic liquid 1-butyl-3-methylimidazolium chloride to Saccharomyces cerevisiae AY93161 for lignocellulosic ethanol production
    Autorzy:
    Zhu, Shengdong
    Yu, Pei
    Lei, Mingke
    Tong, Yanjie
    Zheng, Lu
    Zhang, Rui
    Ji, Jun
    Chen, Qiming
    Wu, Yuanxin
    Powiązania:
    https://bibliotekanauki.pl/articles/778529.pdf
    Data publikacji:
    2013
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    Ionic liquid
    [bmim]Cl
    toxicity
    Saccharomyces cerevisiae AY93161
    lignocellulosic ethanol production
    Opis:
    Ionic liquid (IL) pretreatment of lignocellulosic materials has provided a new technical tool to improve lignocellulosic ethanol production. To evaluate the influence of the residual IL in the fermentable sugars from enzymatic hydrolysis of IL pretreatment of lignocellulosic materials on the subsequent ethanol fermentation, the toxicity of the IL 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) to Saccharomyces cerevisiae AY93161 was investigated. Firstly, the morphological structure, budding and metabolic activity of Saccharomyces cerevisiae AY93161 at different [BMIM]Cl concentrations were observed under an optical microscope. The results show that its single cell morphology remained unchanged at all [BMIM]Cl concentrations, but its reproduction rate by budding and its metabolic activity decreased with the [BMIM]Cl concentration increasing. The half effective concentration (EC50) and the half inhibition concentration (IC50) of [BMIM]Cl to Saccharomyces cerevisiae AY93161 were then measured using solid and liquid suspension culture and their value were 0.53 and 0.39 g.L-1 respectively. Finally, the influence of [BMIM]Cl on ethanol production was investigated. The results indicate that the [BMIM]Cl inhibited the growth and ethanol production of Saccharomyces cerevisiae AY93161. This toxicity study provides useful basic data for further development in lignocellulosic ethanol production by using IL technology and it also enriches the IL toxicity data.
    Źródło:
    Polish Journal of Chemical Technology; 2013, 15, 2; 94-98
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mathematical modeling of ethanol production by Saccharomyces cerevisiae in batch culture with non-structured model
    Autorzy:
    Konopacka, Anna
    Konopacki, Maciej
    Kordas, Marian
    Rakoczy, Rafał
    Powiązania:
    https://bibliotekanauki.pl/articles/184842.pdf
    Data publikacji:
    2019
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    mathematical modeling
    bioreactor
    bioprocess engineering
    ethanol production
    modelowanie matematyczne
    bioreaktor
    inżynieria bioprocesowa
    produkcja etanolu
    Opis:
    In this study, batch fermentation of glucose to ethanol by Saccharomyces cerevisiae (ATCC 7754) was carried out using 2.5 dm3 BioFlo®115 bioreactor. The main objective of this study was to investigate the kinetics of ethanol fermentation by means of the non-structured model. The fermentation process was carried out for 72 h. Samples were collected every 4 h and then yeast growth concentration of ethanol and glucose were measured. The mathematical model was composed of three equations, which represented the changes of biomass, substrate and ethanol concentrations. The mathematical model of bioprocess was solved by means of Matlab/SimulinkTM environment. The obtained results from the proposed model showed good agreement with the experimental data, thus it was concluded that this model can be used for the mathematical modeling of ethanol production.
    Źródło:
    Chemical and Process Engineering; 2019, 40, 3; 281--291
    0208-6425
    2300-1925
    Pojawia się w:
    Chemical and Process Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structural changes of corn starch during fuel ethanol production from corn flour
    Autorzy:
    Szymanowska-Powalowska, D.
    Lewandowicz, G.
    Blaszczak, W.
    Szwengiel, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/80589.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    structural change
    corn starch
    native starch
    ethanol production
    simultaneous saccharification
    simultaneous fermentation
    enzymatic hydrolysis
    energy consumption
    gelatinization
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2012, 93, 3
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Catalytic activity of cobalt and cerium catalysts supported on calcium hydroxyapatite in ethanol steam reforming
    Autorzy:
    Dobosz, J.
    Hull, S.
    Zawadzki, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/779330.pdf
    Data publikacji:
    2016
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    hydroxyapatite
    cobalt
    cerium
    ethanol steam reforming
    hydrogen production
    Opis:
    In this paper, Co,Ce/Ca10(PO4)6(OH)2 catalysts with various cobalt loadings for steam reforming of ethanol (SRE) were prepared by microwave-assisted hydrothermal and sol-gel methods, and characterized by XRD, TEM, TPR-H2, N2 adsorption-desorption measurements and cyclohexanol (CHOL) decomposition tests. High ethanol conversion (close to 100%) was obtained for the catalysts prepared by both methods but these ones prepared under hydrothermal conditions (HAp-H) ensured higher hydrogen yield (3.49 mol H2/mol C2H5OH) as well as higher amount of hydrogen formed (up to 70%) under reaction conditions. The superior performance of 5Co,10Ce/HAp-H catalyst is thought to be due to a combination of factors, including increased reducibility and oxygen mobility, higher density of basic sites on its surface, and improved textural properties. The results also show a significant effect of cobalt loading on catalysts efficiency in hydrogen production: the higher H2 yield exhibit catalysts with lower cobalt content, regardless of the used synthesis method.
    Źródło:
    Polish Journal of Chemical Technology; 2016, 18, 3; 59-67
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microwave plasma for hydrogen production from liquids
    Autorzy:
    Czylkowski, D.
    Hrycak, B.
    Miotk, R.
    Jasiński, M.
    Mizeraczyk, J.
    Dors, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/148564.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    dry reforming
    ethanol
    hydrogen production
    isopropanol
    kerosene
    microwave plasma
    Opis:
    The hydrogen production by conversion of liquid compounds containing hydrogen was investigated experimentally. The waveguide-supplied metal cylinder-based microwave plasma source (MPS) operated at frequency of 915 MHz at atmospheric pressure was used. The decomposition of ethanol, isopropanol and kerosene was performed employing plasma dry reforming process. The liquid was introduced into the plasma in the form of vapour. The amount of vapour ranged from 0.4 to 2.4 kg/h. Carbon dioxide with the fl ow rate ranged from 1200 to 2700 NL/h was used as a working gas. The absorbed microwave power was up to 6 kW. The effect of absorbed microwave power, liquid composition, liquid fl ow rate and working gas fl ow rate was analysed. All these parameters have a clear infl uence on the hydrogen production effi ciency, which was described with such parameters as the hydrogen production rate [NL(H2)/h] and the energy yield of hydrogen production [NL(H2)/kWh]. The best achieved experimental results showed that the hydrogen production rate was up to 1116 NL(H2)/h and the energy yield was 223 NL(H2) per kWh of absorbed microwave energy. The results were obtained in the case of isopropanol dry reforming. The presented catalyst-free microwave plasma method can be adapted for hydrogen production not only from ethanol, isopropanol and kerosene, but also from different other liquid compounds containing hydrogen, like gasoline, heavy oils and biofuels.
    Źródło:
    Nukleonika; 2016, 61, 2; 185-190
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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