Time (min) Percent Dye decolorization DR19(λ495nm) DR19 and DB9 mixture (λ460nm) Soluble PGP Entrapped PGP-Con A complex Soluble PGP Entrapped PGP-Con A complex 20 69.8 78.5 61.2 69.5 40 74.6 78.5 60.7 69.6 60 78.8 78.4 60.4 69.5 80 79.9 78.4 59.5 69.5 100 79.9 78.4 59.4 69.4 120 81.9 78.4 59.1 69.4 140 62.4 78.4 38.2 69.3 160 59.6 78.4 28.5 69.4 180 42.2 78.4 25.6 69.4

Table 3: Dye decolorization in batch processes. DR 19 or mixture of dyes (DR19+DB9) (250mL) was treated with soluble and immobilized PGP (27.6 U) for varying times in batch processes. Each value represents the mean for five independent experiments performed in duplicate.