Significance of biogas production in waste tips |
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| Affiliation: | 1. Industrial and Systems Engineering Graduate Program (PPGEPS), Pontifical Catholic University of Parana, Curitiba, PR, Brazil;2. Mechanical Engineering Graduate Program (PPGEM), Pontifical Catholic University of Parana, Curitiba, PR, Brazil;3. State University of Parana (UNESPAR), Campo Mourão, PR, Brazil;4. Electrical Engineering Department, Federal University of Parana, Curitiba, PR, Brazil;5. Sardar Vallabhbhai National Institute of Technology, Surat 395 007, Gujarat, India;1. Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, NC, USA;2. Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC, USA;3. Research Institute of Marine Drugs and Nutrition, Guangdong Ocean University, Zhanjiang, China;4. Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, Russia;5. Institute of Chemical Technology, Ural Federal University, Ekaterinburg, Russia;6. Institute of Natural Sciences, Ural Federal University, Ekaterinburg, Russia;7. ZENEREI Research Center, Slidell, LA 70458, USA;8. Department of Psychology, University of Toronto, Toronto, ON, Canada;9. Department of Cell and Systems Biology, University of Toronto, Toronto, ON, Canada |
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| Abstract: | In a waste tip methane fermentation should be promoted as much as possible in order to minimize contamination of leachate and groundwater. In this paper the production of biogas is mathematically described as a first-order process. The degradable organic fraction of municipal refuse is subdivided into three fractions with different half-lifes (1, 5 and 15 years). If other categories of waste are present (e.g. industrial refuse or demolition waste) one should know the organic matter content per category and if possible some information on the degradability of the organic fractions. Field tests can also give information, e.g. the pressure lowering in and around an extraction well may be used to calculate the gas production rate and the radius of influence.Without recovery the gas escapes into the atmosphere and is (partly) oxidized by microbes in the soil cover. This may create anaerobic conditions in the soil cover causing injury to vegetation. |
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