Agriculture & Biology
gasification
100%
fly ash
99%
air
49%
producer gas
47%
biomass
46%
biomass gasification
30%
gases
21%
oxygen
13%
wood chips
11%
heat
10%
charcoal
10%
ceramics
9%
catalysts
9%
feedstocks
8%
degradation
5%
temperature
3%
testing
3%
Engineering & Materials Science
Tar
90%
Gasification
75%
Biomass
68%
Air
41%
Gas producers
38%
Gases
16%
Oxygen
15%
Charcoal
12%
Heat generation
10%
Feedstocks
9%
Wood
8%
Pressure drop
8%
Catalysts
7%
Heating
6%
Degradation
6%
Temperature
3%
Earth & Environmental Sciences
tar
85%
gasification
79%
biomass
45%
air
40%
removal
39%
gas
28%
particle
18%
oxygen content
10%
charcoal
9%
pressure drop
9%
catalyst
8%
ceramics
8%
heating
6%
reactor
6%
filter
6%
degradation
6%
oxygen
6%
test
3%