Sari, A. A. and Yasin, H. and Tachibana, S. and Hadibarata, T. (2016) Effects of mediators for ligninolytic enzyme production and kinetic studies on degradation of pentachlorobenzene by trametes versicolor U80. Water, Air, and Soil Pollution, 227 (9). ISSN 0049-6979
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Abstract
Pentachlorobenzene is one new persistent organic pollutants (POPs) that has been recently added to the Stockholm Convention on Persistent Organic Pollutants. Based on this reason, one treatment having ability to degrade this compound is needed. The microbiological process by using white-rot fungus was used in this experiment. Free cell of Trametes versicolor U80 degraded pentachlorobenzene 43 % in liquid medium at 40 days incubation. The rapid initial uptake of pentachlorobenzene was obtained in the first 20 days. The results based on ionization potential and the partial least square function indicated that both enzymatic systems of lignin peroxidase and P-450 monooxygenase involved in the degradation of pentachlorobenzene. By using addition of Tween 80, MnSO4, and veratryl alcohol, degradation of pentachlorobenzene could be improved. Based on kinetic study, the use of 1 % of Tween 80 showed the highest degradation rate (2.0619/day) and the degradation of pentachlorobenzene by 50 % can be shortened up to 24 days. Application of T. versicolor U80 in soil and bioreactor degraded pentachlorobenzene 43 and 50 % at 40 days, respectively. T. versicolor U80 shows good capability degrading pentachlorobenzene in soil and bioreactor although it is lower than in liquid due to the difference of pollutant accessibility and transfer oxygen. Finally, strain T. versicolor U80 can be proposed as an excellent candidate for remediation application in pentachlorobenzene pollution.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Bioreactors, Degradation, Dyes, Ionization potential, Kinetic theory, Kinetics, Lignin, Pollution, Kinetic study, Lignin peroxidase, Pentachlorobenzene, Trametes versicolor, Tween 80, Organic pollutants, 1,2,3 trichlorobenzene, 1,2,4 trichlorobenzene, chlorphenotane, cytochrome P450, hexachlorobenzene, laccase, lignin peroxidase, manganese peroxidase, pentachlorobenzene, polychlorinated biphenyl, polycyclic aromatic hydrocarbon, polysorbate 40, polysorbate 80, veratryl alcohol, benzene, biodegradation, enzyme activity, lignin, mushroom, persistent organic pollutant, reaction kinetics, adsorption, Article, bioremediation, biosorption, carbon source, catalysis, chemical structure, culture medium, dechlorination, degradation kinetics, depolymerization, enzyme activity, enzyme synthesis, fungal biomass, hydrolysis, lipid peroxidation, nonhuman, oxidation, Phanerochaete, secondary metabolism, Trametes versicolor, Impurities, Microbiology, Organic Compounds, White Rot Fungi, Fungi, Trametes versicolor |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Civil Engineering |
| ID Code: | 72169 |
| Deposited By: | Fazli Masari |
| Deposited On: | 20 Nov 2017 08:18 |
| Last Modified: | 20 Nov 2017 08:18 |
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