REMOVAL OF PHENOLIC COMPOUNDS FROM SYNTHETIC WASTEWATERS BY ENZYMATIC TREATMENTS

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HEJRI S.; SABOURA A.

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Journal: JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT) Year:2009 | Volume:35 | Issue:1 (SECTION: BIOLOGY) Page(s): 13-19

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Title

REMOVAL OF PHENOLIC COMPOUNDS FROM SYNTHETIC WASTEWATERS BY ENZYMATIC TREATMENTS

Author(s)

HEJRI S. | SABOURA A. | Issue Writer Certificate

Keywords

GLYCINE MAXQ3

SOYBEAN PEROXIDASEQ3

PHYTOREMEDIATIONQ3

PHENOLIC COMPOUNDSQ3

PEGQ3

Abstract

Many industries generate phenolic pollutants during their manufacturing processes. Most of these compounds are toxic and have been classified as hazardous pollutants. SOYBEAN PEROXIDASE (SBP) catalyzes the oxidation and polymerization of PHENOLIC COMPOUNDS in the presence of hydrogen peroxide. The polymerized products can easily precipitate and be filtered from the solution. In this study phenolic solutions such as synthetic wastewater containing phenol, o-cresol and m-cresol, were treated with SOYBEAN PEROXIDASE (SBP). The effect of some parameters was investigated on the removal process. The results showed that, an increase in hydrogen peroxide up to the optimum amount leads to an elevated removal of PHENOLIC COMPOUNDS. Higher concentrations of H2O2 inhibited the reaction. Treatment in the presence of PEG (polyethylene glycol) as an additive increased the effect of enzymatic removal. Application of different concentrations of the enzyme in the reaction mixture showed positive regression between enzyme concentration and removal of phenols. Studies to determine the optimum pH for enzyme activity revealed that elimination of phenols was improved in neutral pH. In addition, this study revealed that intact soybean seed-hulls were effective on the elimination of PHENOLIC COMPOUNDS in synthetic wastewater; treatment time significantly affected the concentration of seed-hulls needed for removal of phenols.

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APA: Copy

HEJRI, S., & SABOURA, A.. (2009). REMOVAL OF PHENOLIC COMPOUNDS FROM SYNTHETIC WASTEWATERS BY ENZYMATIC TREATMENTS. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), 35(1 (SECTION: BIOLOGY)), 13-19. SID. https://sid.ir/paper/2170/en

Vancouver: Copy

HEJRI S., SABOURA A.. REMOVAL OF PHENOLIC COMPOUNDS FROM SYNTHETIC WASTEWATERS BY ENZYMATIC TREATMENTS. JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT)[Internet]. 2009;35(1 (SECTION: BIOLOGY)):13-19. Available from: https://sid.ir/paper/2170/en

IEEE: Copy

S. HEJRI, and A. SABOURA, “REMOVAL OF PHENOLIC COMPOUNDS FROM SYNTHETIC WASTEWATERS BY ENZYMATIC TREATMENTS,” JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT), vol. 35, no. 1 (SECTION: BIOLOGY), pp. 13–19, 2009, [Online]. Available: https://sid.ir/paper/2170/en

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