Some kinetic parameters and inactivation of catalase immobilized on modified polyvinylalcohol |
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Authors: | Leman Tarhan |
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Institution: | 1. Department of Chemistry, Faculty of Education, Dokuz Eylül University, 35150, Buca-izmir, Turkey
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Abstract: | Polyvinylalcohol crosslinked with terephthaldicarboxaldehyde and was modified with 2-amino-4,6-dichloro-s-triazine. Optimum
conditions for immobilization of catalase on modified and gelatine-coated modified polyvinylalcohol were investigated. Activity
variations with respect to pH, temperature, stability behavior, andk
m(appl) values were investigated for the native and immobilized catalases. Rate constants for H2O2 decomposition and for inactivation of immobilized catalase were determined using a discontinuous batch-type reactor. The
influence of H2O2 concentration on the catalase inactivation was investigated. |
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Keywords: | Index Entries" target="_blank">Index Entries Immobilized catalases polyvinylalcohol kinetic parameters batch-type reactors H2O2 |
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