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1
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Pollutant concentrations from deciduous wood fuelled heat station

100%
Juszczak M.
Chemical and Process Engineering
|
2011
|
vol. 32
|
issue 1
41-55
EN
CO, NO, NO2 and dust concentrations from combustion of deciduous wood (birch, beech, lime-tree) logs and pellets in two heating boilers (15 and 25 KW), situated in a heat station were investigated. Time dependences of pollutant concentrations as well as the impact of temperature in the combustion chamber and oxygen concentration on pollutant concentrations were presented. Pollutant emission indices have been estimated.
2
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Pollutant emission from a heat station supplied with agriculture biomass and wood pellet mixture

88%
Juszczak M., Lossy K.
|
|
vol. 33
|
issue 2
231-242
EN
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% O2 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.
3
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Pollutant concentrations from deciduous wood fuelled heat station

88%
Juszczak M.
Chemical and Process Engineering
|
2011
|
issue 1
4
Content available remote

Concentrations of Carbon Monoxide and Nitrogen Oxides From a 25 kW Boiler Supplied Periodically and Continuously with Wood Pellets

88%
Juszczak M.
Chemical and Process Engineering
|
2014
|
vol. 35
|
issue 2
163-172
EN
The impact of the fuel feeding mode (continuous or periodic with different stand-by/operation time ratios) on carbon monoxide (CO) and nitrogen oxides (NO, NOx) concentration values in the flue gas was analysed for coniferous wood pellet firing. Experiments were performed in a 25 kW water boiler equipped with an over-fed wood pellet furnace located in a full scale heat station simulating real-life conditions. Influence of oxygen concentration and temperature in the combustion chamber on carbon monoxide and nitrogen oxide concentrations was presented in diagrams. Dust and hydrocarbon concentrations were also monitored. It was concluded that the commonly used periodic fuel supply does not necessarily cause a significant increase of carbon monoxide concentration, as compared to the continuous fuel feeding mode. Continuous fuel supply can even induce higher carbon monoxide concentrations when fuel mass stream is not chosen properly. Each time new fuel type is used in a specific furnace, one should perform experiments to determine the adequate settings (stand-by/operation time ratio, fuel mass streams, air stream) to obtain the optimal, lowest possible emission for a certain boiler heat output
5
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NUMERICAL STUDIES ON THE INFLUENCE OF AIR STAGING ON THE TEMPERATURE OF FLUE GAS AND EMISSION OF GASES IN THE COMBUSTION CHAMBER OF OP 230 BOILER

75%
Hernik B., Jagodzińska K., Matuszek D.
Chemical and Process Engineering
|
2018
|
vol. 39
|
issue 1
6
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Comparison of the Emission of Aromatic Hydrocarbons from Moulding Sands with Furfural Resin with the Low Content of Furfuryl Alcohol and Different Activators

75%
Żymankowska-Kumon S., Grabowska B., Bobrowski A.
Archives of Foundry Engineering
|
2016
|
issue 4
7
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Concentrations of Carbon Monoxide and Nitrogen Oxides From a 25 kW Boiler Supplied Periodically and Continuously with Wood Pellets

75%
Juszczak M.
|
|
issue 2
8
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Content available

Pollutant emission from a heat station supplied with agriculture biomass and wood pellet mixture

75%
Juszczak M., Lossy K.
Chemical and Process Engineering
|
2012
|
issue 2
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