Study on the Model of Limonite-TiO2 Combined Microspheres Photolysising Phenol in Source Water

Hong Xia Xia; Qi Hong Zhu

doi:10.4028/www.scientific.net/AMR.518-523.121

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 518-523Study on the Model of Limonite-TiO2 Combined...

Study on the Model of Limonite-TiO₂ Combined Microspheres Photolysising Phenol in Source Water

Abstract:

This paper investigates the effect of Limonite/TiO₂ combined microspheres dosage,solution pH, reaction time,light intensity on the removal rate of phenol in source water.Based on the single factor experiment, the experimental conditions are optimized by quadratic regression orthogonal rotation combination design.The quadratic orthogonal regression model of removal rate of phenol(y) to four factors of Limonite/TiO₂ combined microspheres dosage(x1),pH(x2),reaction time (x3)and light intensity (x4) is established as Y=88.64+4.43X₁+ 6.69X₃+3.75X₄-4.79X₁²-13.20X₂²-4.21X₃²-2.69X₄²+8.06X₁X₂-6.76X₁X₃-4.45X₁X₄.It can conclude from the model that when Limonite/TiO2 combined microspheres dosage is 1.5583g,solution pH value is 4.5095,reaction time is 102.12min,light intensity is 1710.8（x10 lux）,the yield(y) reaches the maximal(95.83%) and consistent with the confirmatory experiment result..

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

121-124

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.121

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Online since:

May 2012

Authors:

Hong Xia Xia, Qi Hong Zhu

Keywords:

Limonite, Nanometer TiO₂, Orthogonal Rotation Combination Design, Phenol, Removal Rate

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