Characterisation of untreated and treated biodegradable wastes

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dc.contributor.authorGodley, Andrew R.
dc.contributor.authorFrederickson, Jim
dc.contributor.authorLewin, Kathy
dc.contributor.authorSmith, Richard
dc.contributor.authorBlakey, N.
dc.date.accessioned2010-01-09T13:30:40Z
dc.date.available2010-01-09T13:30:40Z
dc.date.issued2007-10
dc.description.abstractAs part of a Defra sponsored project (WRT220), approximately 40 biodegradable wastes were characterised according to biodegradability (DR4 and BM100), total PTE content, C:N ratio and biochemical composition. Two leaching tests were employed; upflow percolation test and a one step LS10 test; eluates were analysed for TOC, pH, electrical conductivity, PTEs and a range of cations and anions. This paper contains a limited set of data for a selection of untreated and treated waste types representing four waste treatment processes (composting, MBT, MHT, anaerobic digestion). The DR4 and BM100 tests were found to be appropriate for a wide range of waste types but where possible they should be used in conjunction with other related tests. Longer-term MBT composting processes appeared to produce compost material with reduced ammonium concentrations and extractability of some PTEs. Carbon content (carbon analyzer - LECO) could be estimated as C = LOI/1.9 which is a routine operation. N LECO values were approximately 12% greater than the equivalent N Kjeldahl values.en_UK
dc.identifier.citationA. Godley, J. Frederickson, K. Lewin, R. Smith, N. Blakey, Characterisation of untreated and treated biodegradable wastes, Sardinia 2007, Proceedings of the Eleventh International Waste Management and Landfill Symposium. S. Margherita di Pula, Cagliari, Italy. 1-5 October 2007. Paper 347.en_UK
dc.identifier.urihttp://hdl.handle.net/1826/4124
dc.language.isoenen_UK
dc.titleCharacterisation of untreated and treated biodegradable wastesen_UK
dc.typeConference paperen_UK

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