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. 2013 Feb;108(1):77–83. doi: 10.1590/S0074-02762013000100013

TABLE II. Percentage of viruses adsorbed on sludge flocs.

Viruses Viruses spiked onto
sludge samples
(GC mL-1)
meanª/SD		 Viruses in supernatant
(GC mL-1) meanª/SD		 Viruses adsorbed on sludge flocs (%)
AdV 4 x 108/5.9 x 108 6.7 x 103/5.4 x 103 99.99
RVA 3.5 x 106/2.8 x 105 8.5 x 102/8.5 x 102 99.97
NoV 3.6 x 104/1.9 x 104 2.5 x 10/1.5 x 10 99.93
HAV 2.7 x 105/6.3 x 104 2.6 x 102/4.5 x 102 99.90
PP7 4.2 x 107/0 4.2 x 105/4.0 x 105 99.0

a: methods were performed in triplicate; AdV: adenoviruses; GC: genome copies; HAV: hepatitis A virus; NoV GII: norovirus genogroup II; RVA: rotavirus species; SD: standard deviation.