Immobilized microbe bioreactors for waste water treatment |
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| Affiliation: | 1. University of Potsdam, Physical Chemistry, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany;2. Konrad-Zuse-Zentrum für Informationstechnik Berlin, Takustraße 7, 14195, Dahlem, Berlin, Germany;3. School of Analytical Sciences Adlershof (SALSA), Humboldt-Universität zu Berlin, Adlershof, Unter den Linden 6, 10099 Berlin, Germany;4. peptides&elephants GmbH, Neuendorfstraße 20b, 16761 Hennigsdorf, Germany;1. Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, China;2. Guangzhou Academy of Agriculture Science, Guangzhou, 510308, China;3. US EPA, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Atlantic Ecology Division, 27 Tarzwell Drive, Narragansett, RI, USA;1. Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Xiao Ling Wei 200, Nanjing 210094, Jiangsu, China;2. National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Key Laboratory of Beijing for Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100124, China;3. Department of Civil Engineering, Queen''s University, Kingston, ON K7L 3N6, Canada;4. Jiangsu Tianyu Environmental Protection Group Co., Ltd, Taishan East 328, Yangzhou 225200, Jiangsu, China |
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| Abstract: | The application of adapted microbial populations immobilized on a porous diatomaceous earth carrier to pre-treat and reduce toxic concentration of volatile organics, pesticides, petroleum aliphatics and aromatics has been demonstrated for several industrial sites. In the pre-treatment of industrial effluents and contaminated ground-waters, these bioreactors have been used to optimize and reduce the cost of conventional treatment systems, i.e. steam stripping, carbon adsorption and traditional biotreatment. Additionally, these systems have been employed as seeding devices for larger biotreatment systems. The cost effective utilization of an immobilized microbe reactor system for water supply regeneration in a microgravity environment is presented. The feasibility of using immobilized biomass reactors as an effluent treatment technology for the biotransformation and biodegradation of phenols, chlorinated halocarbons, residual oils and lubricants was evaluated. Primary biotransformation tests of two benchmark toxicants, phenol and ethylene dichloride at concentrations expected in life support effluents were conducted. Biocatalyst supports were evaluated for colonization potential, surface and structural integrity, and performance in continuous flow bioreactors. The implementation of such approaches in space will be outlined and specific areas for interfacing with other non-biological treatment approaches will be considered for advanced life support, tertiary waste water biotreatment. |
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