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Pàgina inicial > Articles > Articles publicats > Gaseous emissions during the solid state fermentation of different wastes for enzyme production at pilot scale |
Data: | 2015 |
Resum: | The emissions of volatile organic compounds (VOC), CH₄, N₂O and NH₃ during the solid state fermentation process of some selected wastes to obtain different enzymes have been determined at pilot scale. Orange peel + compost (OP), hair wastes + raw sludge (HW) and winterization residue + raw sludge (WR) have been processed in duplicate in 50 L reactors to provide emission factors and to identify the different VOC families present in exhaust gaseous emissions. Ammonia emission from HW fermentation (3. 2 ± 0. 5 kg Mg⁻¹ dry matter) and VOC emission during OP processes (18 ± 6 kg Mg⁻¹ dry matter) should be considered in an industrial application of these processes. Terpenes have been the most emitted VOC family during all the processes although the emission of sulphide molecules during HW SSF is notable. The most emitted compound was dimethyl disulfide in HW and WR processes, and limonene in the SSF of OP. |
Ajuts: | Ministerio de Economía y Competitividad CTM2012-33663 Ministerio de Ciencia e Innovación BES-2010-038756 Ministerio de Ciencia e Innovación BES-2013-064852 |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió sotmesa a revisió |
Matèria: | Solid state fermentation ; Emission factors ; VOC characterization ; Ammonia ; Methane |
Publicat a: | Bioresource technology, Vol. 179, (March 2015) , p. 211-218, ISSN 0960-8524 |
Preprint 34 p, 354.6 KB |