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Benzene and Toluene Biodegradation with Different Dissolved Oxygen Concentrations


Abstract This study reports on benzene and toluene biodegradation under different dissolved oxygen conditions, and the goal of this study is to evaluate and model their removal.

Benzene and toluene were tested for obligate anaerobic degradation in batch reactors with sulfate as the electron acceptor. A group of sulfate-reducing bacteria capable of toluene degradation was enriched after 252 days of incubation. Those cultures, originated from anaerobic digester, were able to degrade toluene coupled to sulfate reduction with benzene coexistence, while they were not able to utilize benzene. Methanogens also were present, although their contribution to toluene biodegradation was not defined.

Aerobic biodegradation of benzene and toluene by Pseudomon... (more)
Created Date 2015
Contributor Liu, Zhuolin (Author) / Rittmann, Bruce E (Advisor) / Krajmalnik-Brown, Rosa (Committee member) / Fox, Peter (Committee member) / Arizona State University (Publisher)
Subject Environmental engineering / Benzene / Biodegradation / Biofilm / Dissolved oxygen / Intermediate / Toluene
Type Masters Thesis
Extent 95 pages
Language English
Copyright
Reuse Permissions All Rights Reserved
Note Masters Thesis Civil and Environmental Engineering 2015
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis