Wastewater Biogas Articles
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Increased biogas production in a wastewater treatment plant by anaerobic co-digestion of fruit and vegetable waste and sewer sludge – A full scale study
Anaerobic digestion is a well established technology for the reduction of organic matter and stabilization of wastewater. Biogas, a mixture of methane and carbon dioxide, is produced as a useful by-product of the process. Current solid waste management at the city of Prince George is focused on disposal of waste and not on energy recovery. Co-digestion of fresh fruit and vegetable waste with ...
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Behaviour and adsorptive removal of siloxanes in sewage sludge biogas
We investigated the behaviour of siloxanes, which adversely affect biogas engines, as well as their concentration levels in sewage sludge biogas in Japan. We also performed experiments on the absorptive removal of siloxanes using various adsorbents and determined the main adsorbent characteristics required for the removal of siloxanes. The results of our study on the concentration and composition ...
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Sewage biogas fuels public transport buses in Oslo
Bimethane produced by the Bekkelaget sewage treatment plant in Oslo, Norway, will begin fueling B0 public sector buses in 2009, marking a major step towards meeting its goal to reduce climate gas emissions 50% by the year 2030. Another 250 buses will be fueled by biomethane produced from two wet-organic waste separation plants scheduled to start up in 2011. Norway signed the Kyoto Protocol, an ...
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Aerobic thermophilic bacteria enhance biogas production
The enhancing effect of aerobic thermophilic (AT) bacteria on the production of biogas from anaerobically digested sewage sludge (methanogenic sludge) was investigated. Sewage sludge (5%, w/w) was incubated at 65°C with shaking for a few months to prepare the AT seed sludge. AT sludge was prepared by incubation of the AT seed sludge (5%, v/v) and sewage sludge (5%, w/w) at 65°C with shaking. The ...
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