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dc.contributor.authorWang, Qilin
dc.contributor.authorWei, Wei
dc.contributor.authorGong, Yanyan
dc.contributor.authorYu, Jimmy
dc.contributor.authorLi, Qin
dc.contributor.authorSun, Jing
dc.contributor.authorYuan, Zhiguo
dc.date.accessioned2017-06-13T02:24:30Z
dc.date.available2017-06-13T02:24:30Z
dc.date.issued2017
dc.identifier.issn0048-9697en_US
dc.identifier.doi10.1016/j.scitotenv.2017.02.203en_US
dc.identifier.urihttp://hdl.handle.net/10072/339731
dc.description.abstractThis review presents the state-of-the-art sludge reduction technologies applied in both wastewater and sludge treatment lines. They include chemical, mechanical, thermal, electrical treatment, addition of chemical un-coupler, and predation of protozoa/metazoa in wastewater treatment line, and physical, chemical and biological pretreatment in sludge treatment line. Emphasis was put on their effect on sludge reduction performance, with 10% sludge reduction to zero sludge production in wastewater treatment line and enhanced TS (total solids) or volatile solids removal of 5–40% in sludge treatment line. Free nitrous acid (FNA) technology seems good in wastewater treatment line but it is only under the lab-scale trial. In sludge treatment line, thermal, ultrasonic (< 4400 kJ/kg TS), FNA pretreatment and temperature-phased anaerobic digestion (TPAD) are promising if pathogen inactivation is not a concern. However, thermal pretreatment and TPAD are superior to other pretreatment technologies when pathogen inactivation is required. The new wastewater treatment processes including SANI®, high-rate activated sludge coupled autotrophic nitrogen removal and anaerobic membrane bioreactor coupled autotrophic nitrogen removal also have a great potential to reduce sludge production. In the future, an effort should be put on the effect of sludge reduction technologies on the removal of organic micropollutants and heavy metals.en_US
dc.description.peerreviewedYesen_US
dc.languageEnglishen_US
dc.publisherElsevieren_US
dc.relation.ispartofpagefrom510en_US
dc.relation.ispartofpageto521en_US
dc.relation.ispartofjournalScience of the Total Environmenten_US
dc.relation.ispartofvolume587-588en_US
dc.subject.fieldofresearchEnvironmental Biotechnology not elsewhere classifieden_US
dc.subject.fieldofresearchcode100299en_US
dc.titleTechnologies for reducing sludge production in wastewater treatment plants: State of the arten_US
dc.typeJournal articleen_US
dc.type.descriptionC1 - Peer Reviewed (HERDC)en_US
dc.type.codeC - Journal Articlesen_US
gro.facultyGriffith Sciences, Griffith School of Engineeringen_US
gro.hasfulltextNo Full Text


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