Isolate

Percentage of degradation

Free cells

Immobilized cells

Alginate entrapped

PVA entrapped

Pseudomonas nitroreducens (L9)

57.35 ± 1.5

85.16 ± 1.2

58.54 ± 2.9

Pseudomonas aeruginosa (L12)

57.41 ± 1.8

61.07 ± 0.6

62.98 ± 1.3