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Wyszukujesz frazę "coal fuel" wg kryterium: Wszystkie pola


Wyświetlanie 1-4 z 4
Tytuł:
Experiments on additive desulphurisation by sodium bicarbonate in coal-fuel boiler
Autorzy:
Kolat, P.
Cech, B.
Vrtek, M.
Tomasek, D.
Powiązania:
https://bibliotekanauki.pl/articles/185695.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
combustion
desulphurization
pulverized
bicarbonate
spalanie
odsiarczanie
dwuwęglan
Opis:
This paper describes experiments on the application of sodium bicarbonate desulphurisation in the coal-fuel boiler. The boiler has been in operation for several years now and it has refiably fulfilled the original assignment to reduce SO2 emissions from the value of 1200 -1500 mg/Nm3 to 400 mg/Nm3. Higher desulphurisation efficiency is determined only by the ratio of Na/S sorbent dosage. The resulting product of desulphurisation is stored together with fly ash in underground mines, and has no influence on the groundwater. Positive experience of the tests and boiler operation lies in higher reactivity of sodium and sulphur as compared with conventional methods based on limestone. Within the scope of the secondary measures of elimination of sulphur oxides in combustion products, an experimental dry-method desulphurisation of combustion products was performed by blasting an agent containing sodium bicarbonate NaHCO3 (99.6 %) into the flue ways before the electrostatic precipitator in a coal-fuel furnace with the steam output of 220 t/h.
Źródło:
Chemical and Process Engineering; 2013, 34, 1; 77-86
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mineral matter transformation in oxy-fuel coal combustion
Autorzy:
Nowak-Woźny, D.
Moroń, W.
Urbanek, B.
Rybak, W.
Powiązania:
https://bibliotekanauki.pl/articles/185717.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
coal combustion
ash
slagging
sintering
spalanie węgla
popiół
żużlowanie
spiekanie
Opis:
The paper presents the results of the mechanical, electrical, CCSEM and XRD measurements of hard coal, conducted in simulated conditions of sintering in atmospheres of O2/CO2,. The changes of the coal ash resistivity are correlated with the content of the oxides and with the sintering temperature determined by the mechanical test and Leitz method. The SEM-EDS analysis was conducted for deposits on the probe. The changes of the measured ash samples, observed during sintering process in O2/CO2 atmosphere, were discussed in the ash microstructure point of view.
Źródło:
Chemical and Process Engineering; 2013, 34, 3; 393-401
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Coal Char Kinetics of Oxidation and Gasification Reactions
Autorzy:
Lewtak, R.
Hercog, J.
Powiązania:
https://bibliotekanauki.pl/articles/185256.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
kinetic parameters
char particle oxidation and gasification
oxy-fuel combustion
parametry kinetyczne
utlenianie cząstek stałych
spalanie tlenowo-paliwowe
Opis:
Experimental investigations and numerical simulations have been conducted in this study to derive and test the values of kinetic parameters describing oxidation and gasification reactions between char carbon and O2 and CO2 occurring at standard air and oxy-fuel combustion conditions. Experiments were carried out in an electrically heated drop-tube at heating rates comparable to fullscale pulverized fuel combustion chambers. Values of the kinetic parameters, obtained by minimization of the difference between the experimental and modeled values of char burnout, have been derived and CFD simulations reproducing the experimental conditions of the drop tube furnace confirmed proper agreement between numerical and experimental char burnout.
Źródło:
Chemical and Process Engineering; 2017, 38, 1; 135-145
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research on thermal decomposition of waste PE/PP
Autorzy:
Kuźnia, M.
Magdziarz, A.
Powiązania:
https://bibliotekanauki.pl/articles/184946.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
plastic wastes
supplemental fuel
blast furnace process
coking of coal
odpady z tworzyw sztucznych
paliwo uzupełniające
proces wielkopiecowy
koksowanie węgla
Opis:
The most important and the most frequently used plastics are polyethylene (PE) and polypropylene (PP). They are characterised with high heating values (approximately 40 MJ/kg). Moreover, their chemical composition, based mainly on carbon and hydrogen, allows to use them in industrial processes. One of the methods of utilisation of plastic waste can be its use in the metallurgical industry. This paper presents results of thermal decomposition of waste PE/PP. Chemical and thermal analysis (TG) of studied wastes was carried out. Evolved gaseous products from the decomposition of wastes were indentified using mass spectrometry (TG-MS). This paper also presents an application of plastic wastes as supplemental fuel in blast furnace processes (as a substitute for coke) and as an addition in processes of coking coal.
Źródło:
Chemical and Process Engineering; 2013, 34, 1; 165-174
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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