Integrating heat recovery from milk powder spray dryer exhausts in the dairy industry

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dc.contributor.authorAtkins, Martin John
dc.contributor.authorWalmsley, Michael R.W.
dc.contributor.authorNeale, James R.
dc.date.accessioned2011-03-27T22:52:12Z
dc.date.available2011-03-27T22:52:12Z
dc.date.issued2011
dc.description.abstractHeat recovery from milk powder spray dryer exhausts has proven challenging due to both economic and thermodynamic constraints. Integrating the dryer with the rest of the process (e.g. evaporation stages) can increase the viability of exhaust recovery. Several potential integration schemes for a milk powder plant have been investigated. Indirect heat transfer via a coupled loop between the spray dryer exhaust and various heat sinks were modeled and the practical heat recovery potential determined. Hot utility use was reduced by as much as 21% if suitable heat sinks are selected. Due to high particle loading and operating temperatures in the particle sticky regime, powder deposition in the exhaust heat exchanger is perhaps the greatest obstacle for implementing heat recovery schemes on spray dryers. Adequate cleaning systems are needed to ensure continuous dyer operation.en_NZ
dc.format.mimetypeapplication/pdf
dc.identifier.citationAtkins, M.J., Wamsley, M.R.W., Neale, J.R. (2011). Integrating heat recovery from milk powder spray dryer exhausts in the dairy industry. Applied Thermal Engineering, available online 17 March 2011.en_NZ
dc.identifier.doi10.1016/j.applthermaleng.2011.03.006en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/5201
dc.language.isoen
dc.publisherElsevieren_NZ
dc.relation.isPartOfApplied Thermal Engineeringen_NZ
dc.rightsThis is an author’s accepted version of an article published in the journal: Applied Thermal Engineering. © 2011 Elsevier.en_NZ
dc.subjectprocess integrationen_NZ
dc.subjectheat recoveryen_NZ
dc.subjectpinch analysisen_NZ
dc.subjectspray dryingen_NZ
dc.titleIntegrating heat recovery from milk powder spray dryer exhausts in the dairy industryen_NZ
dc.typeJournal Articleen_NZ
pubs.begin-page2101en_NZ
pubs.elements-id35817
pubs.end-page2106en_NZ
pubs.issue13en_NZ
pubs.volume31en_NZ
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