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Table 3 Protease and cellulase activity in different proportions of mixed cheese whey and fruit waste

From: Enhancing methane production using anaerobic co-digestion of waste activated sludge with combined fruit waste and cheese whey

Waste activated sludge: mixed fruit and cheese whey (%)

100/0

95/5

90/10

85/15

Protease (mm)

21.0 ± 0.3

23.5 ±0.7

24.6 ± 0.6

25.6 ± 0.8

Cellulase (mm)

26.5 ± 0.4

27.5 ± 0.6

28.1 ± 0.4

29.3 ± 0.8