Effects of pilot-plant photochemical pre-treatment (UV/H2O2) on the biodegradability of aqueous linear alkylbenzene sulfonate (LAS)-Reference-Cited by-同舟云学术

Effects of pilot-plant photochemical pre-treatment (UV/H2O2) on the biodegradability of aqueous linear alkylbenzene sulfonate (LAS)

Published:2005 Issue:4 Volume:7 Page:169-174
ISSN:1110-662X
Container-title:International Journal of Photoenergy
language:en
Short-container-title:International Journal of Photoenergy

Author:

Mehrvar Mehrab¹,Tabrizi Gelareh Bankian¹,Abdel-Jabbar Nabil²

Affiliation:

1. Department of Chemical Engineering, Ryerson University, 350 Victoria Street, Toronto, Ontario M5B 2K3, Canada

2. Department of Chemical Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan

Abstract

The effects of the photochemical pre-treatment by using a pilot-plant UV/H2O2process on the biodegradability of aqueous linear alkylbenzene sulfonate (LAS) were studied. It was observed that the photochemical pre-treatment of the LAS solutions by UV-254/H2O2increased the biodegradability of LAS solutions. Aqueous solutions with higher concentrations of LAS (>100 mg/L) were non-biodegradable. The ratio ofBOD5/COD of the pre-treated LAS solutions was increased, indicating that the pre-treated LAS solutions were more biodegradable. This ratio was improved as the LAS solutions were more pre-treated. Also, the biodegradability factor for the pre-treated LAS solutions was increased as the time of the photochemical pre-treatment was increased.

Funder

Natural Sciences and Engineering Research Council of Canada

Publisher

Hindawi Limited

Subject

General Materials Science,Renewable Energy, Sustainability and the Environment,Atomic and Molecular Physics, and Optics,General Chemistry

Link

http://downloads.hindawi.com/journals/ijp/2005/162072.pdf

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