Decoloration Reaction of Orange I with Soybean Peroxidase Immobilized on Metal Ion-Treated PET Fabric
2020 Volume 71 Issue 8 Pages 542-548
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2020 Volume 71 Issue 8 Pages 542-548
To apply a peroxidase bleaching system as a treatment for dyeing wastewater, peroxidase extracted from the inedible soybean residue was immobilized.
Conditions for immobilization of soybean peroxidase (SPO) on PET fabric treated with metal ions were examined and the decoloration reaction of the Orange I was performed using immobilized SPO.
The effects of the pH and the type of metal ion on the metal ion treatment for the PET fabric were investigated. The optimum pH for treatment with iron ions was pH 4, and that for treatment with aluminum ions was pH 7. Manganese ions were not adsorbed by the PET fabric at any pH.
The optimum pH for SPO immobilization was pH4 with iron- or aluminum-treated PET fabric (SPO-Metal-PET fabric).
