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Träfflista för sökning "WFRF:(Borell C.) "

Search: WFRF:(Borell C.)

  • Result 1-8 of 8
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  • Davidsson, Åsa, et al. (author)
  • Co-digestion of grease trap sludge and sewage sludge.
  • 2008
  • In: Waste Management: international journal of integrated waste management, science and technology. - : Elsevier BV. - 1879-2456. ; 28:6, s. 986-992
  • Journal article (peer-reviewed)abstract
    • Redirection of organic waste, from landfilling or incineration, to biological treatment such as anaerobic digestion is of current interest in the Malmö-Copenhagen region. One type of waste that is expected to be suitable for anaerobic digestion is sludge from grease traps. Separate anaerobic digestion of this waste type and co-digestion with sewage sludge were evaluated. The methane potential was measured in batch laboratory tests, and the methane yield was determined in continuous pilot-scale digestion. Co-digestion of sludge from grease traps and sewage sludge was successfully performed both in laboratory batch and continuous pilot-scale digestion tests. The addition of grease trap sludge to sewage sludge digesters was seen to increase the methane yield of 9-27% when 10-30% of sludge from grease traps (on VS-basis) was added. It was also seen that the grease trap sludge increases the methane yield without increasing the sludge production. Single-substrate digestion of grease trap sludge gave high methane potentials in batch tests, but could not reach stable methane production in continuous digestion.
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  • Eriksson, Kerstin, et al. (author)
  • Effective learning from emergency responses
  • 2008
  • In: Safety, reliability and risk analysis : theory, methods and applications. - 9780415485135 ; 1, s. 83-88
  • Conference paper (peer-reviewed)
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  • Sokolova, Ekaterina, 1986, et al. (author)
  • Fate and transport modelling of microbial pollution in a lake used as a drinking water source
  • 2011
  • In: 34th IAHR Congress 2011 - Balance and Uncertainty: Water in a Changing World, Incorporating the 33rd Hydrology and Water Resources Symposium and the 10th Conference on Hydraulics in Water Engineering. - 9780858258686 ; , s. 3271-3278
  • Conference paper (peer-reviewed)abstract
    • Faecal contamination of drinking water sources can cause outbreaks of waterborne disease. In this study a modelling approach is used to investigate the risk of contaminated raw water for the intake to the drinking water treatment plant posed by wastewater discharges in Lake Rådasjön in Gothenburg, Sweden. Microbial pollution is studied using the traditional faecal indicator organism E. coli and virus indicator somatic coliphages. Transport of faecal indicators is simulated using the three-dimensional hydrodynamic model MIKE3, and inactivation processes are described by the ecological module ECOLab. The ecological model is calibrated against decay curves obtained from microcosm experiments with lake water performed under natural conditions. The risks on drinking water supply and critical hydrometeorological situations that can cause low quality of raw water have been identified. This information provides input for further risk assessment of the entire drinking water supply system.
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  • Result 1-8 of 8

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