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Table 2 Parameters estimated by Chick-Watson model analysis

From: Recombinant adenovirus as a model to evaluate the efficiency of free chlorine disinfection in filtered water samples

Water sample a

Free chlorine (mg/L)

k’ (min −1 )

k (min −1 )

R 2

BDF pH 8.0 20°C

0.2

0.0001

3.6645

0.9709

0.5

0.0001

6.1967

0.9719

BDF pH 6.9 20°C

0.2

0.0001

35.9078

0.7348

0.5

0.0001

82.9889

0.8125

LP 20°C

0.2

0.105

52.0292

0.7852

0.5

0.397

47.5822

0.9106

LP 15°C

0.2

0.105

72.7319

0.8382

0.5

0.397

44.3554

0.7655

MQ 20°C

0.2

0.147

100.5580

0.7913

0.5

0.0001

162.8456

0.8712

MQ 15°C

0.2

0.147

88.9608

0.7844

0.5

0.0001

75.0303

0.7695

  1. aBDF: Buffered demand free; LP: Lagoa do Peri Water Treatment Plant; MQ: Morro dos Quadros Water Treatment Plant.
  2. Values of k ’(rate of decay of free chlorine), k (rate of viral inactivation) and R2 (Ln (N/N0) observed x Ln (N/N0) of Chick-Watson model determined for each experimental condition.
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Virology Journal

ISSN: 1743-422X