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Wyszukujesz frazę "agricultural emission" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Carbon monoxide and nitric oxide concentrations in flue gas during combustion of agricultural biomass in the residental boiler
Autorzy:
Pałaszyńska, Katarzyna
Juszczak, Marek
Ostrowski, Ryszard
Powiązania:
https://bibliotekanauki.pl/articles/2010788.pdf
Data publikacji:
2021
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Drewna
Tematy:
agricultural biomass
combustion
emission
boiler
rotary furnace
Opis:
Concentrations of carbon monoxide and nitric oxide (in mg/m3 and presented for 10% O2) in the flue gas from firing hay and palm kernel shell pellets, as well as a mixture of coffee husk pellets and wood pellets at the weight ratios of 70:30 and 30:70 in a rotary furnace with a 20 kW nominal heat output amounted to: 695.102; 3492.271; 2921.165; 18344.244; 5297.315, respectively, for the boiler operating with minimum heat output, and 568.192; 2400.341; 4065.275; 20696.380 and 2272.123, respectively, for the boiler operating at a heat output close to maximum. The value of carbon monoxide concentration was proportional to the amount of slag generated during the combustion process and the value of nitric oxide concentration was proportional to the nitrogen content in the fuel. Variation of parameters in time: temperature in the combustion chamber, carbon monoxide and nitric oxide concentrations, oxygen concentration and air excess ratio while firing wood and agricultural biomass pellets were indicated. Correlation between nitric oxide and carbon monoxide concentrations as well as carbon monoxide and nitric oxide concentration versus oxygen concentration and temperature in the combustion chamber were presented. Agricultural biomass pellets should be mixed with wood pellets to improve combustion process and reduce carbon monoxide and nitric oxide concentrations. Pollutant concentration measurements were performed in real-life conditions resembling the ones experienced by boiler end-users.
Źródło:
Drewno. Prace Naukowe. Doniesienia. Komunikaty; 2021, 64, 207; 125-144
1644-3985
Pojawia się w:
Drewno. Prace Naukowe. Doniesienia. Komunikaty
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gaseous emissions during agricultural biomass combustion in a 50 kw moving step grate boiler
Autorzy:
Pałaszyńska, K.
Juszczak, M.
Powiązania:
https://bibliotekanauki.pl/articles/185580.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
agricultural biomass
boiler
pollutant emission
combustion
biomasa rolnicza
bojler
emisja zanieczyszczeń
spalanie
Opis:
Results of the study examining carbon monoxide and nitric oxide concentrations while burning different types of agricultural biomass: coffee husk pellets alone or in combination with wheat straw pellets and cherry stones, sewage sludge pellets, corn stover briquettes and a mixture of rye straw briquettes and miscanthus briquettes were presented. The combustion was performed in a 50 kW boiler type Biowarmer with a cast-iron moving step grate. The temperature in the combustion chamber did not exceed 800 ◦C. For all biomass types, only brittle slag was generated in the furnace, which was easily broken by a reciprocating movement of the grate. Carbon monoxide concentration in the flue gas except for the case of sewage sludge pellet firing did not exceed the permitted value of 3000 mg/m3 and nitric oxide concentration 515 mg/m3, both presented for 10% O2 concentration in the flue gas based in dry gas. Hydrocarbon concentrations for all test runs were close to zero.
Źródło:
Chemical and Process Engineering; 2018, 39, 2; 197--208
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Pollutant emission from a heat station supplied with agriculture biomass and wood pellet mixture
Autorzy:
Juszczak, M.
Lossy, K.
Powiązania:
https://bibliotekanauki.pl/articles/185505.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
pozostałości rolnicze
drewno
spalanie
emisja
stacja ciepła
agricultural residue
wood
combustion
emission
heat station
Opis:
Tests for combustion of hay and sunflower husk pellets mixed with wood pellets were performed in a horizontal-feed as well as under-feed (retort) wood pellet furnace installed in boilers with a nominal heat output of 15 and 20 kW, located in a heat station. During the combustion a slagging phenomenon was observed in the furnaces. In order to lower the temperature in the furnace, fuel feeding rate was reduced with unaltered air stream rate. The higher the proportion of wood pellets in the mixture the lower carbon monoxide concentration. The following results of carbon monoxide concentration (in mg/m3 presented for 10% 02 content in flue gas) for different furnaces and fuel mixtures (proportion in wt%) were obtained: horizontal-feed furnace supplied with hay/wood: 0/100 - 326; 30/70 - 157; 50/50 - 301; 100/0 - 3300; horizontal-feed furnace supplied with sunflower husk/wood: 50/50 - 1062; 67/33 - 1721; 100/0 - 3775; under-feed (retort) furnace supplied with hay/wood: 0/100 - 90; 15/85 - 157; 30/70 - 135; 50/50 - 5179; under-feed furnace supplied with sunflower husk/wood: 67/33 - 2498; 100/0 - 3128. Boiler heat output and heat efficiency was low: 7 to 13 kW and about 55%, respectively, for the boiler with horizontal-feed furnace and 9 to 14 kW and 64%, respectively, for the boiler with under-feed furnace.
Źródło:
Chemical and Process Engineering; 2012, 33, 2; 231-242
0208-6425
2300-1925
Pojawia się w:
Chemical and Process Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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