Engineering & Materials Science
Food waste
100%
Composting
61%
Sewage sludge
60%
Anaerobic digestion
29%
Soils
25%
Manures
24%
Heavy metals
24%
Methane
20%
Fly ash
19%
Bacteria
18%
Nutrients
18%
Bioleaching
17%
Biodegradation
14%
Ashes
14%
Nitrogen
13%
Lime
13%
Waste management
12%
Volatile fatty acids
11%
Recovery
11%
Degradation
11%
Biological materials
10%
Hydrolysis
10%
Coal
10%
Microorganisms
10%
Wastewater
9%
Fermentation
9%
Cadmium
9%
Municipal solid waste
8%
Iron
8%
Biogas
8%
Organic acids
8%
Sawdust
8%
Enzyme activity
7%
Antibiotics
7%
Polycyclic aromatic hydrocarbons
7%
Solid wastes
6%
Water
6%
Bioreactors
6%
Ammonia
6%
Fertilizers
6%
Adsorption
6%
Substrates
6%
Microbial fuel cells
6%
Acetic acid
6%
Bacilli
6%
Bioeconomy
6%
Dewatering
5%
Decomposition
5%
Pyrene
5%
Metals
5%
Earth & Environmental Sciences
food waste
62%
sewage sludge
52%
composting
50%
sludge
40%
compost
32%
manure
24%
fly ash
24%
soil
19%
anaerobic digestion
17%
ash
17%
heavy metal
16%
digestion
16%
methane
16%
pig
16%
coal
13%
biochar
13%
effect
12%
lime
12%
reactor
12%
phenanthrene
11%
leachate
11%
sawdust
10%
solubilization
10%
biodegradation
10%
degradation
10%
surfactant
8%
nitrogen
8%
bacterium
8%
nutrient
8%
hydrolysis
8%
contaminated soil
8%
rate
8%
germination
7%
fermentation
7%
cadmium
7%
product
7%
fatty acid
7%
municipal solid waste
7%
evaluation
7%
waste management
6%
acid
6%
PAH
6%
microbial community
6%
decomposition
6%
pyrene
6%
removal
6%
organic acid
6%
substrate
6%
inoculation
6%
dissolved organic matter
6%
Chemical Compounds
Food
46%
Compost
42%
Soil
38%
Heavy Metal
23%
Coal
18%
Methane
18%
Nutrient
17%
Solid Waste
17%
pH Value
13%
Phenanthrene
12%
Biodegradation
12%
Waste Management
11%
Solubilization
11%
Sawdust
10%
Organic Matter
10%
Nitrogen
10%
Plant Growth
8%
Reaction Yield
8%
Biosurfactant
8%
Fermentation
7%
Decomposition
7%
Fertilizer
7%
Wastewater
7%
Organic Acid
7%
Weight
6%
Ashes (Residues)
6%
Strain
6%
Leaf Like Crystal
6%
Tetracycline
6%
Application
6%
Flocculant
6%
Reduction
6%
Inoculum
5%
Butyrate
5%
Time
5%
Bulking Agent
5%
Metabolic
5%
Hydrolysis
5%
Mixture
5%
Ammonia
5%
Antimicrobial Agent
5%