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Environmental Sciences Europe

Table 4 Effect of immobilized spore laccase on dye decolorization and its operation stability

From: Efficient immobilization of highly stable Bacillus amyloliquefaciens spore laccase for biodecolorization of textile dyes in water

Dye name

Decolorization (%) after first cycle

Decolorization (%) after second cycle

Acid red 337

53.2 ± 0.3d

46.9 ± 0.5c

Acid blue 335

49.4 ± 0.2e

36.6 ± 0.6d

Direct red 81

77.4 ± 0.5b

53.5 ± 0.4b

Acid black 24

68.8 ± 0.6c

51.8 ± 0.3b

Methylene blue

41.6 ± 0.3f

28.6 ± 0.5e

Crystal violet

94.5 ± 0.4a

74.6 ± 0.2a

Congo red

26.4 ± 0.2 h

14.6 ± 0.6f

Methyl orange

33.4 ± 0.8 g

27.9 ± 0.8e

  1. Data were expressed as mean ± SE of 3 replicate tests. The means followed by different letters in each column are significantly different at P ≤ 0.05
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