Write your message
Volume 10, Issue 2 (March-Apri 2016)                   IJT 2016, 10(2): 7-11 | Back to browse issues page

XML Persian Abstract Print

Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

Ghannadzadeh M J, Jonidi Jafari A, Rezaee A, Eftekharian F, Koolivand A. Evaluation of Baffle Fixes Film up Flow Sludge Blanket Filtration (BFUSBF) System in Treatment of Wastewaters from Phenol and 2,4-Dinitrophenol Using Daphnia Magna Bioassay. IJT. 2016; 10 (2) :7-11
URL: http://ijt.arakmu.ac.ir/article-1-389-en.html
1- Department of Environmental Health Engineering, Tarbiat Modares University, Tehran, Iran.
2- Department of Environmental Health Engineering, Iran University of Medical Sciences, Tehran, Iran. , jonidi.a@iums.ac.ir
3- Department of Environmental Health Engineering, Shiraz University of Medical Sciences, Shiraz, Iran.
4- Department of Environmental Health, Arak University of Medical Sciences, Arak, Iran.
Abstract:   (4723 Views)

Background: Phenol and nitrophenol are common compounds found in different types of industrial wastewater known as serious threats to human health and natural environment. In this study, Daphnia magna was used to evaluate the effectiveness of "baffle fixes film up flow sludge blanket filtration" (BFUSBF) system in elimination of phenolic compounds from water.

Methods: D. magna cultures were used as toxicity index of phenol and 2,4-DNP mixtures after treatment by a pilot BFUSBF system which consisted of baffle in anoxic section and biofilm in aerobic sections. Initial concentrations were 312 mg/L phenol and 288 mg/L 2,4-dinitrophenol (2,4-DNP).

Results: Bioassay tests showed that D. magna was influenced by the toxicity of phenol and 2,4 DNP mixtures. The comparison between the toxicity of initial phenol and 2,4-DNP mixtures and the output toxic unit (TU) derived from BFUSBF treatment system showed that the TU of the effluent from BFUSBF reactor was much lower than that of the solution that entered the reactor.

Conclusion: Based on the acute toxicity test, BFUSBF process could reduce phenol and 2,4-DNP in aqueous solutions. Therefore, it is possible to use BFUSBF process as an appropriate treatment option for wastewaters containing phenolic compounds.

Full-Text [PDF 81 kb]   (1124 Downloads)    
Type of Study: Research | Subject: General

Add your comments about this article : Your username or Email:

Send email to the article author

Rights and permissions
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

© 2021 CC BY-NC 4.0 | Iranian Journal of Toxicology

Designed & Developed by : Yektaweb