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    Wyświetlanie 1-11 z 11
    Tytuł:
    Electrooxidation of methyl alcohol with Ni-Co catalyst
    Autorzy:
    Włodarczyk, B.
    Włodarczyk, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/101422.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    methanol
    biofuel
    Ni-Co catalyst
    fuel cell
    environment engineering
    Opis:
    Due to development of the renewable energy sources, the powering of fuel cells (FCs) with bio-fuels is very important. The one of this fuel is methyl alcohol. The use of fuel cells on a large scale is mainly limited by the high cost of catalysts - mainly platinum. Elimination of Pt as catalyst would allow for wider commercial application of FCs. The paper presents a study of methyl alcohol electrooxidation on electrode with NiCo alloy catalyst. Researches were done by the method of polarizing curves of electrooxidation of methanol in glass vessel. Conducted measurements show that there is a possibility of electrooxidation of methanol with Ni-Co catalyst. In any case, the process of electrooxidation of methanol occurs. A maximum current density was equal 50 mA/cm2 . So, the work shows possibility to use Ni-Co alloys as catalysts for fuel electrode to methyl alcohol electrooxidation.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2018, II/1; 305-315
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electrooxidation of Coconut Oil in Alkaline Electrolyte
    Autorzy:
    Włodarczyk, P. P.
    Włodarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/123509.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    fuel cell
    electrooxidation
    coconut oil
    renewable energy sources
    environment engineering
    Opis:
    Providing more and more energy is an essential task of today's energetic industry. In the last few years, addition to traditional methods of energy production, alternative energy sources have been fast developing. One of the devices that can use these sources is fuel cell. The fuel cells can be a power source of future mainly due to their high efficiency, low influence on environment and possibility of powering with different fuels. Most often fuel cells are powered by hydrogen. However, problems with the problems with its cheap production and storage are the reason for the search of new fuels for fuel cells. But it must be a fuel that will provide zero or low emission level. One of these fuels can be vegetable oil. The paper presents measurements of electrooxidation of coconut oil emulsion on a smooth platinum electrode in an aqueous solution of KOH. Electrochemical measurements were performed in a glass cell with AMEL System 5000 potentiostat. The obtained maximum current density is equal 25 mA/cm2. So, a fundamental possibility of using the coconut oil as fuel for fuel cell. But is necessary to keep the temperature of process above 303K.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 5; 173-179
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Canola oil electooxitadion on smooth platinum electrode
    Autorzy:
    Włodarczyk, P.
    Włodarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/101329.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    canola oil
    bio-fuel
    fuel cell
    renewable energy sources
    environment engineering
    Opis:
    As fuel for fuel cells can be used various substances, but mainly fuel cells are powered by clear hydrogen (or hydrogen obtained from organic substances by reforming process). However, problems with the storage of hydrogen are the reason for the search of new fuels for fuel cells. Due to development of the renewable energy sources, the powering of fuel cells with bio-fuels is very important. Vegetable oil is an alternative fuel for diesel engines and for heating oil burners. Powering high efficiency power sources like fuel cells with renewable fuels (like canola oil) will allow development of renewable energy sources and elimination or reduce of toxic substances emissions. The paper presents the possibility of using canola oil as fuel for direct electricity production. The work shows possible electrooxidation of canola oil emulsion on a smooth platinum electrode in an solution of H2SO4. The resulting current density of canola oil electrooxidation reached the maximum level of 8 mA/cm2. So, the possibility of using canola oil as fuel for direct electricity production has been proved.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2018, III/1; 589-598
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microbial Fuel Cell With Cu-B Cathode Powering With Wastewater From Yeast Production
    Autorzy:
    Włodarczyk, B.
    Włodarczyk, P. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/124258.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    microbial fuel cell
    cathode
    wastewater treatment
    yeast industry
    renewable energy sources
    environment engineering
    Opis:
    With the increasing standard of living, energy consumption increases as well. So, waste production, including wastewater, increases as well. One of the types of wastewater is wastewater from yeast industry. Wastewater from this industry has not only a high pollutants load but it is produced in great amounts as well. Technical devices that can accomplish the wastewater treatment and electricity production from wastewater is a microbial fuel cell. In microbial fuel cells activated sludge bacteria can be used for electricity production during wastewater treatment. The possibility of using the Cu-B alloy as cathode catalyst for microbial fuel cells to wastewater treatment of wastewater from yeast industry is presented in this paper. The reduction time for COD with the use of microbial fuel cell with the Cu-B catalyst (with 5, 10 and 15% amount of B) is similar to the reduction time with aeration. The obtained power (4.1 mW) and the amount of energy (0.93 Wh) are low. But, if one can accept a longer COD reduction time, the obtained amount of energy will allow elimination of the energy needed for reactor aeration.
    Źródło:
    Journal of Ecological Engineering; 2017, 18, 4; 224-230
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methanol electrooxidation with Cu-B catalyst
    Autorzy:
    Włodarczyk, B.
    Włodarczyk, P. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/101113.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    fuel cell
    metanol
    biofuel
    electrooxidation
    Cu-B catalyst
    renewable energy sources
    environment engineering
    Opis:
    In the last few years alternative energy sources have been fast developing. One of these sources is fuel cell. Due to development of the renewable energy sources, the powering of fuel cells with bio-fuels is very important. The one of this fuel is methanol. The use of fuel cells on a large scale is mainly limited by the high cost of catalysts - mainly platinum. Elimination of Pt as catalyst would allow for wider commercial application of fuel cells. The paper presents a study of methanol electrooxidation on electrode with Cu-B alloy catalyst. Researches were done by the method of polarizing curves of electrooxidation of methanol in glass vessel. An aqueous solution of KOH was used as the electrolyte. Conducted measurements show that there is a possibility of electrooxidation of methanol on Cu-B catalyst. In any case, the process of electrooxidation of methanol occurs. A current density of about 10-20 mA/cm2 has been obtained for all concentrations of methanol and B in alloy. So, the work shows possibility to use Cu-B alloys as catalysts for fuel electrode of DMFC.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/2; 1483-1492
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electrooxidation of diesel fuel in alkaline electrolyte
    Autorzy:
    Włodarczyk, P. P.
    Włodarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/101287.pdf
    Data publikacji:
    2016
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    fuel cell
    diesel fuel
    electrooxidation
    additional electricity source
    renewable energy sources
    environment engineering
    Opis:
    In recent decades the demand of energy has increased significantly. Providing more and more energy is an essential task of today’s energetic industry. In the last few years, addition to traditional methods of energy production, alternative energy sources have been developing fast. One of these sources is fuel cell, mainly due to their high efficiency. Generally fuel cells are powered by hydrogen. However, problems with the storage of hydrogen are the reason for the search of new fuels for fuel cells. Moreover, fuel cells can provide an additional/emergency electricity source in energy systems using combustion engines. So, it is important using the main fuel for powering the fuel cell. One of the fuels used for powering the fuel cells could be diesel fuel. Diesel engines drive cars, trucks, boats, tanks and also agricultural machinery e.g. tractors or harvesters. So, there are a lot the possibilities of using this solution. The paper presents results of measurements of electrooxidation of diesel fuel emulsion prepared on the basis of a nonionic surfactant on a smooth platinum electrode in an aqueous solution of KOH. The resulting current density reached the level of 25 mA/cm2 . So, the possibility of using diesel as the fuel for emergency of the fuel cells has been proved.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2016, IV/1; 1071-1080
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electricity production from waste engine oil from agricultural machinery
    Autorzy:
    Włodarczyk, P. P.
    Włodarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/101365.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    fuel cell
    waste engine oil
    energy source
    electrooxidation
    renewable energy sources
    environment engineering
    Opis:
    As fuel for fuel cells can be used various substances, but generally fuel cells are powered by hydrogen. However, problems with the storage of hydrogen are the reason for the search of new fuels for fuel cells. Moreover, annually are produced huge amount of waste oils. These oils must be directed to purification and processing. It would be important to use waste engine oil as fuel for fuel cell to direct electricity production without intermediate stage e.g. combustion. The paper presents the possibility of using waste engine oil as fuel for fuel cell. The oil does not have the feature of electrical conductivity, for this reason a detergent was used for dissolving oil in an electrolyte. So, the work shows possible electrooxidation of waste engine oil (Turdus 15W40 from agriculture machinery) emulsion on a platinum electrode in an aqueous solution of H2SO4. Researches were done by the method of polarizing curves of electrooxidation of waste engine oil emulsion in glass vessel, on a smooth platinum electrode with potentiostat. In any case, the process of electrooxidation of waste engine oil emulsion occurred. A current density of about 6-20 mA/cm2 was obtained for all concentrations of waste engine oil. The highest results of the potential were obtained at temperature of 333K (25 mA/cm2 ). A fundamental possibility of electrooxidation of waste engine oil (Turdus 15W40) emulsion on platinum smooth electrode in acid electrolyte (aqueous solution of H2SO4) was presented in this paper. The obtained current density and power of glass fuel cell is low, but it was demonstrated a fundamental possibility of electricity production in fuel cell powering with waste engine oil.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, IV/2; 1609-1618
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Microbial fuel cell with Cu-B cathode and KMnO4 catholyte
    Autorzy:
    Włodarczyk, B.
    Włodarczyk, P. P.
    Powiązania:
    https://bibliotekanauki.pl/articles/101369.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Stowarzyszenie Infrastruktura i Ekologia Terenów Wiejskich PAN
    Tematy:
    microbial fuel cell
    wastewater treatment
    cathode
    Ni-Co alloy
    renewable energy sources
    environment protection
    clean technology
    sustainable development
    Opis:
    The increasing of standard living causes the increases energy consumption and waste or wastewater production. The possibility to combine wastewater treatment and electricity production can accomplish a microbial fuel cell. The possibility of wastewater treatment using the Cu-B catalyst with KMnO4 catholyte for microbial fuel cells is presented in this paper. The measurements covered comparison of changes in the concentration of COD, NH4+ and NO3 - in the reactor without aeration, with aeration and with using a microbial fuel cell (with Cu-B cathode and KMnO4 catholyte). The reduction time for COD with the use of microbial fuel cell with the Cu-B catalyst (and KMnO4 catholyte) is similar to the reduction time with aeration. It has been shown that the Cu-B (with KMnO4 catholyte) can be used as cathode catalyst in microbial fuel cells. Unfortunately in this case is needed to constant delivery of catholyte.
    Źródło:
    Infrastruktura i Ekologia Terenów Wiejskich; 2017, IV/3; 1823-1831
    1732-5587
    Pojawia się w:
    Infrastruktura i Ekologia Terenów Wiejskich
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Electrooxidation of canola oil with Pt catalyst in acid electrolyte
    Elektoutlenianie oleju rzepakowego na katalizatorze platynowym w wodnym roztworze H2SO4
    Autorzy:
    Włodarczyk, P.
    Włodarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/357395.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Śląska
    Tematy:
    renewable energy sources
    fuel cell
    environment protection
    clean technology
    canola oil
    electrooxidation
    odnawialne źródła energii
    ogniwo paliwowe
    ochrona środowiska
    czyste technologie
    olej rzepakowy
    elektroutlenianie
    Opis:
    In recent decades the demand of energy has increased significantly. Providing more and more energy is an essential task of today's energetic industry. Energy production is based on crude oil, coal, natural gas and nuclear energy. Within the recent few years also alternative energy sources have been developing. One of these sources is fuel cell (FC), mainly due to their high efficiency. FC performs direct conversion of chemical fuel into electrical energy, without combustion. Generally FCs are powered by hydrogen. However, problems with the storage of hydrogen are the reason for the search of new fuels for FCs. Due to development of the renewable energy sources, the powering of high efficiency power sources with bio-fuels is very important. Vegetable oil is an alternative fuel for Diesel engines and for heating oil burners. Powering high efficiency power sources like fuel cells with renewable fuels (like vegetable oil) will allow development of renewable energy sources and elimination or reduce of toxic substances emissions. So, the paper presents the possibility of using canola oil as fuel for FCs. The work shows possible electrooxidation of canola oil emulsion prepared on the basis of a non ionic surfactant on a smooth platinum electrode in an aqueous solution of H2SO4. The resulting current density reached the level of 8 mA/cm2, which means the possibility of using canola oil as fuel for FCs has been proved.
    W ciągu ostatnich dziesięcioleci zapotrzebowanie na energię znacząco wzrosło. Dzisiejszy przemysł energetyczny zmaga się ze stale zwiększającym zapotrzebowaniem na energię. Do produkcji energii najczęściej wykorzystuje się węgiel, ropę naftową, gaz ziemny oraz energię atomową. W ostatnim czasie coraz silniej rozwija się energetyka niekonwencjonalna w tym czyste technologie. Jednym z takich rozwiązań są ogniwa paliwowe, głównie ze względu na ich wysoką sprawność. Ogniwa paliwowe przetwarzają energię chemiczną bezpośrednio na energię elektryczną, z pominięciem procesu spalania paliwa. Najczęściej zasilane są wodorem, jednak problemy z jego przechowywaniem wymuszają poszukiwanie innych paliw. Ze względu na rozwój odnawialnych źródeł energii koncepcję stanowi połączenie wysokosprawnych ogniw paliwowych z możliwością wykorzystania biopaliw do ich zasilania. Jedno z takich paliw może stanowić olej rzepakowy. Praca przedstawia badania nad elektroutlenianiem emulsji oleju rzepakowego na elektrodzie platynowej w wodnym roztworze H2SO4. Uzyskana gęstość prądu wyniosła 8 mA/cm2. Wykazano więc, że istnieje możliwość bezpośredniego zasilania ogniw paliwowych olejem rzepakowym.
    Źródło:
    Archiwum Gospodarki Odpadami i Ochrony Środowiska; 2015, 17, 2; 19-28
    1733-4381
    Pojawia się w:
    Archiwum Gospodarki Odpadami i Ochrony Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Possibility of wastewater treatment using MFC with Ni-Co catalyst of fuel electrode
    Możliwość oczyszczania ścieków przy wykorzystaniu mikrobiologicznego ogniwa paliwowego z niklowokobaltowym katalizatorem elektrody paliwowej
    Autorzy:
    Włodarczyk, P. P.
    Włodarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/396059.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    microbial fuel cell
    wastewater treatment
    catalyst
    alloy Ni-Co
    renewable energy sources
    environment engineering
    mikrobiologiczne ogniwa paliwowe
    oczyszczanie ścieków
    katalizator
    stop Ni-Co
    odnawialne źródła energii
    inżynieria środowiskowa
    Opis:
    One of the problems with microbial fuel cells is a low current density of those energy sources. Nonetheless, it is possible to increase the current density by using the catalyst for fuel electrode (anode) - as long as a low cost catalyst can be found. The possibility of wastewater treatment using the Ni-Co alloy as catalyst for MFC’s is presented in this paper. The alloys were obtained with different concentrations of Co (15 and 50% of Co). The increase of current density with Ni-Co catalyst is approximately 0.1 mA/cm2. So, a fundamental possibility wastewater treatment using the Ni-Co alloy as catalyst for microbial fuel cells was presented.
    Jednym z ograniczeń w zastosowaniu mikrobiologicznych ogniw paliwowych jest niska gęstość prądu. Istnieje jednak możliwość podwyższenia tej wartości wykorzystując innego rodzaju katalizator elektrody paliwowej. Praca przedstawia możliwość oczyszczania ścieków za pomocą mikrobiologicznego ogniwa paliwowego z wykorzystaniem stopu Ni-Co jako katalizatora elektrody paliwowej. Do badań wykorzystano stopy Ni-Co o różnej koncentracji kobaltu (15 i 50%). Wykorzystując analizowany katalizator uzyskano wzrost gęstości prądu rzędu 0,1 mA/cm2. Wykazano więc możliwość wykorzystania stopu Ni-Co jako katalizatora mikrobiologicznego ogniwa paliwowego.
    Źródło:
    Civil and Environmental Engineering Reports; 2016, No. 21(2); 131-145
    2080-5187
    2450-8594
    Pojawia się w:
    Civil and Environmental Engineering Reports
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analiza możliwości zastosowania stali nierdzewnej oraz stopu Cu-B jako katalizatora elektrody paliwowej mikrobiologicznego ogniwa paliwowego
    Analysis of the possibility of using stainless steel and copper boride alloy as catalyst for microbial fuel cell fuel electrode
    Autorzy:
    Włodarczyk, P.
    Włodarczyk, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/357623.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Śląska
    Tematy:
    ogniwo paliwowe
    mikrobiologiczne ogniwo paliwowe
    odnawialne źródło energii
    ochrona środowiska
    czyste technologie
    katalizator stalowy
    katalizator Cu-B
    fuel cell
    microbial fuel cell
    renewable energy source
    environment protection
    clean technology
    Cu-B catalyst
    stainless steel catalyst
    Opis:
    Rozwój technologii mikrobiologicznych ogniw paliwowych (MFC – microbial fuel cell), może stanowić przyszłość zarówno wytwarzania energii elektrycznej z substancji odpadowych, jak i technologii oczyszczania ścieków. Ogniwa te charakteryzują się niskimi kosztami inwestycyjnymi. Ze względu na znakomite własności katalityczne, w wysokowydajnych ogniwach paliwowych (np. wodorowo-tlenowych), jako katalizator stosowana jest platyna. Jednak koszt platyny praktycznie uniemożliwia stosowanie jej w MFC. Z tego względu należy poszukiwać innych katalizatorów nie zawierających metali szlachetnych. W mikrobiologicznych ogniwach paliwowych najczęściej stosuje się elektrody grafitowe. Praca przedstawia analizę możliwości wykorzystania stali nierdzewnej oraz stopu Cu-B jako katalizatora elektrody paliwowej w mikrobiologicznych ogniwach paliwowych. Pomiary objęły elektroutlenianie glukozy na katalizatorze stalowym oraz na stopie Cu-B. Stop Cu-B nanoszono elektrolitycznie na nośnik stalowy. Zakres temperatur pomiarów: 293-303K. Pomiary przeprowadzono przy pomocy potencjostatu w reaktorze szklanym. Uzyskiwana gęstość prądu wynosiła 0,17mA/cm2 dla katalizatora stalowego oraz 0,25mA/cm2 w przypadku użycia stopu Cu-B jako katalizatora. Wykazano, że istnieje możliwość wykorzystania stopu Cu-B oraz stali jako katalizatorów mikrobiologicznych ogniw paliwowych. Znalezienie odpowiedniego i taniego katalizatora może przyczynić się do szybkiego rozwoju odnawialnych źródeł energii jakimi są mikrobiologiczne ogniwa paliwowe.
    Considering the increasing standard of living, the energy consumption increases as well, and so does waste production. However, there is a possibility to combine energy production and wastewater treatment. A device that can accomplish this task is a microbial fuel cell (MFC). In MFC's activated sludge bacteria can be used for electricity production during wastewater treatment. In MFC's the organic material is oxidized on anode, and the product of oxidation is CO2 and electrons. One of the problems with MFC’s is a low current density of those energy sources (lower than 1 mA/cm2). Nonetheless, it is possible to increase the current density by using the catalyst for fuel electrode (anode) – as long as a low cost catalyst can be found. The possibility of using stainless steel and Cu-B alloy as catalyst for MFC’s is presented in this paper. Cu-B alloys were obtained by the method of electrochemical deposition on electrode. The increase of current density with stainless steel is approximately 0.17 mA/cm2and with the Cu-B catalyst is approximately 0.25 mA/cm2at the temperature of 293-303K. Use of stainless steel and Cu-B catalyst will increase the efficiency in the use of microorganisms for the production of electricity. This will contribute to the development of high efficiency green energy sources. This action will also allow to increase the environment protection.
    Źródło:
    Archiwum Gospodarki Odpadami i Ochrony Środowiska; 2015, 17, 1; 111-118
    1733-4381
    Pojawia się w:
    Archiwum Gospodarki Odpadami i Ochrony Środowiska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-11 z 11

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