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Effect of Ethane on the Biological Removal of 1,4-Dioxane in Groundwater

Title: The Effect of Ethane on the Biological Removal of 1,4-Dioxane in Groundwater.
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Inaccessible until Dec 4, 2019 due to copyright restrictions.

Name(s): Villalonga, Michael Joseph, author
Type of Resource: text
Genre: Text
Bachelor Thesis
Date Issued: 2019-04-26
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: 1,4-dioxane is a probable human carcinogen which has been detected throughout groundwater sites in the United States. The objective of this thesis is to evaluate the effect of ethane on biological removal of 1,4-dioxane from groundwater in two membrane biofilm reactors (MBfR). The two membrane biofilm reactors tested have different influent 1,4-dioxane concentrations (~600 μg/L in MBfR1 and ~200 μg/L in MBfR2). I first measured the concentrations of 1,4-dioxane, dissolved oxygen, and ethane in the reactor influent and effluent under two different operating conditions: helium supply (control) and ethane supply in both reactors. In MBfR1, Helium had a 1,4-dioxane removal rate of about 20% while ethane had a 1,4-dioxane removal rate of about 80% in MBfR1. In MBfR2, Helium had a 1,4-dioxane removal rate of about 25% while ethane had a 1,4-dioxane removal rate of about 87% in MBfR2. I then compared the MBfR1 and MBfR2 for their performance. My long-term objective is to examine the effect of different ethane pressures on 1,4- dioxane biodegradation in MBfR2. Therefore, my future plan is to vary the ethane pressure and then assess its effect on 1,4-dioxane degradation.
Identifier: FSU_libsubv1_scholarship_submission_1556310587_8988aa5f (IID)
Keywords: 1,4-dioxane, Membrane Biofilm Reactor, degradation, ethane
Persistent Link to This Record: http://purl.flvc.org/fsu/fd/FSU_libsubv1_scholarship_submission_1556310587_8988aa5f
Use and Reproduction: Creative Commons Attribution-NonCommercial (CC BY-NC 4.0)
Host Institution: FSU

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Villalonga, M. J. (2019). The Effect of Ethane on the Biological Removal of 1,4-Dioxane in Groundwater. Retrieved from http://purl.flvc.org/fsu/fd/FSU_libsubv1_scholarship_submission_1556310587_8988aa5f