DECOMPOSITION OF ANIONIC SODIUM DODECYLBENZENE SULFONATE BY UV/TIO2 AND UV/H202 PROCESSES A- COMPARISON OF REACTION RATES

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DANESHVAR N.; SALARI D.; BEHNASUADY M.A.

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Journal Paper

Paper Information

Journal: Iranian Journal of Chemistry and Chemical Engineering Year:2002 | Volume:21 | Issue:1 Page(s): 55-62

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Information Journal Paper

Title

DECOMPOSITION OF ANIONIC SODIUM DODECYLBENZENE SULFONATE BY UV/TIO2 AND UV/H202 PROCESSES A- COMPARISON OF REACTION RATES

Author(s)

DANESHVAR N. | SALARI D. | BEHNASUADY M.A. | Issue Writer Certificate

Keywords

DODECYLBENZENE SULFONATE

HYDROGEN PEROXIDE

PHOTOCATALYTIC MINERALIZATION

PHOTOOXIDATION

TITANIUM DIOXIDE

PHOTODEGRADATION

Abstract

Anionic DBS surfactant can be photo degraded in a Ti02 dispersion and H2O2 solution under an Hg-lamp (15W) UV illumination or solar exposure. Degradation process has been monitored through cleavage of aromatic moiety. Degradation of the detergent was small when the photolysis was carried out in the absence of TiO2 and H2O2 and it was negligible in the absence of light. Most of the curves representing the semi-log of pollutant concentration versus time were nearly linear, suggesting first order reactions. In the UV/TiO2 process, the extent of surfactant degradation was found to be influenced by the TiO2 loading, initial detergent concentration, agitation rate, temperature and initial pH The UV peroxided degradation of the anionic detergent (DBS) by the UV/H2O2 process is more effective than UV/I'i02 process making it apromissable method for destroying the aquatic pollutants. A combination of UV and Solar light is used, degradation of DBS it is more effective than UV/H2O2 process.

Cites

PHOTOCATALYTIC REMOVAL OF CADMIUM WITH ZINC OXIDE NANOPARTICLES

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APA: Copy

DANESHVAR, N., SALARI, D., & BEHNASUADY, M.A.. (2002). DECOMPOSITION OF ANIONIC SODIUM DODECYLBENZENE SULFONATE BY UV/TIO2 AND UV/H202 PROCESSES A- COMPARISON OF REACTION RATES. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 21(1), 55-62. SID. https://sid.ir/paper/578741/en

Vancouver: Copy

DANESHVAR N., SALARI D., BEHNASUADY M.A.. DECOMPOSITION OF ANIONIC SODIUM DODECYLBENZENE SULFONATE BY UV/TIO2 AND UV/H202 PROCESSES A- COMPARISON OF REACTION RATES. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2002;21(1):55-62. Available from: https://sid.ir/paper/578741/en

IEEE: Copy

N. DANESHVAR, D. SALARI, and M.A. BEHNASUADY, “DECOMPOSITION OF ANIONIC SODIUM DODECYLBENZENE SULFONATE BY UV/TIO2 AND UV/H202 PROCESSES A- COMPARISON OF REACTION RATES,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 21, no. 1, pp. 55–62, 2002, [Online]. Available: https://sid.ir/paper/578741/en

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