Earth & Environmental Sciences
drug
74%
wastewater
60%
oxidation
59%
reuse of materials
37%
PPCP
30%
secondary treatment
29%
solar energy
24%
energy use
24%
removal
24%
food chain
23%
targeting
22%
wastewater treatment plant
20%
catalyst
20%
energy consumption
20%
life cycle
18%
recommendation
17%
toxicity
16%
surface water
15%
matrix
13%
pollutant
13%
laboratory
12%
cost
11%
test
8%
water
6%
method
5%
Engineering & Materials Science
Drug products
100%
Wastewater
97%
Oxidation
80%
Photocatalysis
28%
Surface waters
25%
Toxicity
21%
Wastewater treatment
21%
Operating costs
18%
Impurities
17%
Solar energy
16%
Life cycle
15%
Catalysts
15%
Energy utilization
12%
Chemistry
Wastewater
72%
Pharmaceutical
67%
Energy Consumption
20%
Solar Energy
19%
Surface Water
19%
Wastewater Treatment
18%
Photocatalysis
17%
Food
13%
Energy
8%
Catalyst
7%