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Table 5 Waste stream and recovered or reused substance(s) in the studies where both recovery and reuse were studied (n = 22)

From: What evidence exists on ecotechnologies for recycling carbon and nutrients from domestic wastewater? A systematic map

Waste stream P N C & E P & N E, P & N C, P & N E, C & P E, C, P & N Total
Mixed wastewater 1 1   3 1    2 8
Sludge    1    2 4 1 8
Urine     2      2
Several inputs    1 1      2
Other       1    1
Sludge liquid phase 1         1
Total 2 1 2 6 1 3 4 3 22