Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2006 by Universidad Católica de Valparaíso -- Chile
Vol. 9 No. 4, Issue of July 15, 2006
 

Table 2. Effect of glutaraldehyde on chemical oxygen demand removal at steady state.

Glutaraldehyde

concentration (ppm)

COD (mg L-1)

COD removal

Influent

Effluent

mg L-1

Percentage

0

106.33 ± 4.96

30.67 ± 9.62

74.00 ± 7.24

71.73 ± 7.67

40

153.33 ± 10.01

65.00 ± 2.00

86.67 ± 6.11

57.47 ± 1.75

80

292.00 ± 12.00

140.00 ± 13.06

158.00 ± 10.07

53.05 ± 3.55

180

427.43 ± 36.03

280.00 ± 22.63

93.33 ± 20.13

39.72 ± 3.10

 

Supported by UNESCO / MIRCEN network