Nutrient removal and energy recovery from high-rate activated sludge processes - Impact of sludge age.
Identifieur interne : 000707 ( Main/Exploration ); précédent : 000706; suivant : 000708Nutrient removal and energy recovery from high-rate activated sludge processes - Impact of sludge age.
Auteurs : Huoqing Ge [Australie] ; Damien J. Batstone [Australie] ; Morgan Mouiche [France] ; Shihu Hu [Australie] ; Jurg Keller [Australie]Source :
- Bioresource technology [ 1873-2976 ] ; 2017.
Abstract
This study evaluated high-rate activated sludge treatment across a broad range of short solids retention times (SRT)s (0.5-3d) and found a strong SRT-outcome dependence for performance and subsequent anaerobic degradability of the sludge. Up to 50% total nitrogen, and 35% ammonia removal was also achieved at the longer SRTs, via partitioning rather than reaction. The aerobic SRT significantly affected the anaerobic degradability of the sludge produced (p<0.001), with degradability increasing from 66% to over 80% while reducing the SRT from 3d to 0.5d. This is higher than predicted by conventional models, likely due to additional mechanisms such as adsorption and storage, not included in these.
DOI: 10.1016/j.biortech.2017.08.115
PubMed: 28863992
Affiliations:
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CESI</wicri:regionArea></affiliation></author><author><name sortKey="Hu, Shihu" sort="Hu, Shihu" uniqKey="Hu S" first="Shihu" last="Hu">Shihu Hu</name><affiliation wicri:level="1"><nlm:affiliation>AWMC, Advanced Water Management Centre, The University of Queensland, St Lucia, Queensland 4072, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>AWMC, Advanced Water Management Centre, The University of Queensland, St Lucia, Queensland 4072</wicri:regionArea><wicri:noRegion>Queensland 4072</wicri:noRegion></affiliation></author><author><name sortKey="Keller, Jurg" sort="Keller, Jurg" uniqKey="Keller J" first="Jurg" last="Keller">Jurg Keller</name><affiliation wicri:level="1"><nlm:affiliation>AWMC, Advanced Water Management Centre, The University of Queensland, St Lucia, Queensland 4072, Australia; CRC for Water Sensitive Cities, PO Box 8000, Clayton, Victoria 3800, Australia.</nlm:affiliation><country xml:lang="fr">Australie</country><wicri:regionArea>AWMC, Advanced Water Management Centre, The University of Queensland, St Lucia, Queensland 4072, Australia; CRC for Water Sensitive Cities, PO Box 8000, Clayton, Victoria 3800</wicri:regionArea><wicri:noRegion>Victoria 3800</wicri:noRegion></affiliation></author></analytic><series><title level="j">Bioresource technology</title><idno type="eISSN">1873-2976</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study evaluated high-rate activated sludge treatment across a broad range of short solids retention times (SRT)s (0.5-3d) and found a strong SRT-outcome dependence for performance and subsequent anaerobic degradability of the sludge. Up to 50% total nitrogen, and 35% ammonia removal was also achieved at the longer SRTs, via partitioning rather than reaction. The aerobic SRT significantly affected the anaerobic degradability of the sludge produced (p<0.001), with degradability increasing from 66% to over 80% while reducing the SRT from 3d to 0.5d. This is higher than predicted by conventional models, likely due to additional mechanisms such as adsorption and storage, not included in these.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li></country></list><tree><country name="Australie"><noRegion><name sortKey="Ge, Huoqing" sort="Ge, Huoqing" uniqKey="Ge H" first="Huoqing" last="Ge">Huoqing Ge</name></noRegion><name sortKey="Batstone, Damien J" sort="Batstone, Damien J" uniqKey="Batstone D" first="Damien J" last="Batstone">Damien J. Batstone</name><name sortKey="Hu, Shihu" sort="Hu, Shihu" uniqKey="Hu S" first="Shihu" last="Hu">Shihu Hu</name><name sortKey="Keller, Jurg" sort="Keller, Jurg" uniqKey="Keller J" first="Jurg" last="Keller">Jurg Keller</name></country><country name="France"><noRegion><name sortKey="Mouiche, Morgan" sort="Mouiche, Morgan" uniqKey="Mouiche M" first="Morgan" last="Mouiche">Morgan Mouiche</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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