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Statements

Subject Item
n2:RIV%2F44555601%3A13520%2F12%3A43883936%21RIV13-MSM-13520___
rdf:type
n8:Vysledek skos:Concept
dcterms:description
Polish bituminous coal, German brown (subbituminous) coal and rapeseed oil were selected for preparation of coal-oil slurry (COS) and coal-oil in water slurry (COWS) with content of coal about 50 mass%. Laboratory, electrically heated gasifier with fluidized bed (FB) of sand particles was used for the coal slurries gasification with steam-O2 and CO2-O2 mixtures (ER = 0.19-0.23) at temperatures between 800 and 925 °C. FB gasification with mixtures of O2/CO2 (CO2/dry fuel mass ratio 1-2.4) can generate producer gas with LHV values about 8-10 MJ/m3. The heating value of the dry, N2-free producer gas from CO2-O2 gasification is lower in comparison with gasification by steam-O2 mixtures at comparable conditions. The heating value of the producer gas is influenced by a relatively high content of methane, ethylene and BTX compounds. The yield of heavier tar compounds (excluding BTX) is high, exceeding 20 g tar/kg of dry German coal based COS and exceeding 36 g/kg of fuel for Polish coal based COS. Cold gas efficiency is higher for fuel gas from gasification of COS based on the German, subbituminous coal. FB gasification (ER ? 0.2) of the COWS prepared from the Polish coal (contents of coal, water and oil 47, 40 and 12 mass% respectively) reduces tar yield approximately to an half (related to gasification of the corresponding COS slurry), but simultaneously moderately reduces the heating value (LHV) of the dry, nitrogen free producer gas. Polish bituminous coal, German brown (subbituminous) coal and rapeseed oil were selected for preparation of coal-oil slurry (COS) and coal-oil in water slurry (COWS) with content of coal about 50 mass%. Laboratory, electrically heated gasifier with fluidized bed (FB) of sand particles was used for the coal slurries gasification with steam-O2 and CO2-O2 mixtures (ER = 0.19-0.23) at temperatures between 800 and 925 °C. FB gasification with mixtures of O2/CO2 (CO2/dry fuel mass ratio 1-2.4) can generate producer gas with LHV values about 8-10 MJ/m3. The heating value of the dry, N2-free producer gas from CO2-O2 gasification is lower in comparison with gasification by steam-O2 mixtures at comparable conditions. The heating value of the producer gas is influenced by a relatively high content of methane, ethylene and BTX compounds. The yield of heavier tar compounds (excluding BTX) is high, exceeding 20 g tar/kg of dry German coal based COS and exceeding 36 g/kg of fuel for Polish coal based COS. Cold gas efficiency is higher for fuel gas from gasification of COS based on the German, subbituminous coal. FB gasification (ER ? 0.2) of the COWS prepared from the Polish coal (contents of coal, water and oil 47, 40 and 12 mass% respectively) reduces tar yield approximately to an half (related to gasification of the corresponding COS slurry), but simultaneously moderately reduces the heating value (LHV) of the dry, nitrogen free producer gas.
dcterms:title
Fluidized bed gasification of coal-oil and coal-water-oil slurries by oxygen-steam and oxygen-CO2 mixtures Fluidized bed gasification of coal-oil and coal-water-oil slurries by oxygen-steam and oxygen-CO2 mixtures
skos:prefLabel
Fluidized bed gasification of coal-oil and coal-water-oil slurries by oxygen-steam and oxygen-CO2 mixtures Fluidized bed gasification of coal-oil and coal-water-oil slurries by oxygen-steam and oxygen-CO2 mixtures
skos:notation
RIV/44555601:13520/12:43883936!RIV13-MSM-13520___
n8:predkladatel
n17:orjk%3A13520
n3:aktivita
n10:I n10:S n10:P n10:Z
n3:aktivity
I, P(2B08048), P(7C08034), S, Z(AV0Z40720504)
n3:cisloPeriodika
2012
n3:dodaniDat
n16:2013
n3:domaciTvurceVysledku
n18:2423251
n3:druhVysledku
n15:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
136856
n3:idVysledku
RIV/44555601:13520/12:43883936
n3:jazykVysledku
n7:eng
n3:klicovaSlova
coal slurry; gasification; Fluidized bed
n3:klicoveSlovo
n4:Fluidized%20bed n4:gasification n4:coal%20slurry
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[1EF40A5ED5FC]
n3:nazevZdroje
Fuel Processing Technology
n3:obor
n14:JE
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
7
n3:projekt
n11:2B08048 n11:7C08034
n3:rokUplatneniVysledku
n16:2012
n3:svazekPeriodika
95
n3:tvurceVysledku
Svoboda, Karel Jeremiáš, Michal Hartman, Miroslav Kameníková, Petra Pohořelý, Michael Skoblja, Siarhei Šyc, Michal
n3:zamer
n13:AV0Z40720504
s:issn
0378-3820
s:numberOfPages
11
n12:organizacniJednotka
13520