From: What evidence exists on ecotechnologies for recycling carbon and nutrients from domestic wastewater? A systematic map
Ecotechnology
C
P
P & N
C, P & N
Total
Irrigation with effluents
57
1
58
Reuse of biosolidsa
3
36
39
Reuse of other product
5
10
Reuse of biocharb, biocoal or adsorption medium
62
38
108