Agricultura y biología
industrial wastewater treatment
100%
biodegradability
54%
oxidation
42%
septic systems
37%
effluents
21%
public investment
19%
industrial wastewater
16%
industrial effluents
15%
municipal wastewater
14%
leachates
13%
Latin America
13%
wastewater treatment
12%
Ecuador
12%
rural areas
12%
water
4%
Ciencias ambientales y de la tierra
biodegradability
62%
wastewater treatment
48%
oxidation
37%
septic tank
29%
index
29%
effluent
16%
wastewater
15%
industrial effluent
13%
leachate
10%
creek
10%
regulation
8%
public
7%
province
7%
water
3%
Química
Biodegradability
60%
Wastewater Treatment
57%
Wastewater
18%
Industrial Effluent
14%
Refractory
12%
Volume
6%
Reduction
5%
pH Value
4%
Medicina y ciencias biológicas
Waste Water
75%
Ecuador
27%
Latin America
22%
Formal Social Control
19%
Water
12%
Technology
12%