Table 3 Kinetic parameters of various sulfonamides degradation by S. mizutaii LLE-5.

From: Biodegradation and metabolic pathway of sulfamethoxazole by Sphingobacterium mizutaii

Sulfonamides

Regression equation

k (d−1)

t1/2 (d)

R2

Sulfamethoxazole

Ct = 51.3514 × e−0.4554t

0.4247

1.63

0.9887

Sulfadiazine

Ct = 50.6351 × e−0.1327t

0.1327

5.22

0.9924

Sulfaguanidine

Ct = 50.2014 × e−0.1019t

0.1019

6.80

0.9805

Sulfamisoxazole

Ct = 49.8941 × e−0.0871t

0.0871

7.96

0.9572

Sulfadimidine

Ct = 50.1347 × e−0.0620t

0.0620

11.18

0.9716

  1. k represents degradation constant (d−1); t1/2 represents half-time (d); R2 represents correlation coeffificient; Ct is the concentration (mg/L) of sulfonamides at time t.
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