Performance of a Pilot-Scale Air Sparged Continuous Flow Reactor and Hydrocyclone for Struvite Precipitation and Removal from Liquid Swine Manure
dc.contributor.author | Raman, D. Raj | |
dc.contributor.author | Burns, Robert | |
dc.contributor.author | Moody, Lara | |
dc.contributor.author | Raman, D. Raj | |
dc.contributor.author | Stalder, Kenneth | |
dc.contributor.department | Animal Science | |
dc.contributor.department | Agricultural and Biosystems Engineering | |
dc.date | 2018-02-13T03:45:40.000 | |
dc.date.accessioned | 2020-06-29T22:41:19Z | |
dc.date.available | 2020-06-29T22:41:19Z | |
dc.date.copyright | Thu Jan 01 00:00:00 UTC 2009 | |
dc.date.embargo | 2012-12-07 | |
dc.date.issued | 2009-01-01 | |
dc.description.abstract | <p>The objective of this research was to test a pilot-scale air sparged tank reactor (ASTR) and the ASTR in combination with a hydrocyclone (called the pilot-scale ASTR-hydrocyclone system) on two swine manure slurries for struvite-based (MgNH4PO4-6H2O) phosphorus removal and recovery. The pilot-scale ASTR system operated at flow rates of 80 to 115 L/min and was based on the bench-scale design from Shepherd et al. (2007). The ASTR effluent was processed using a hydrocyclone separator for struvite separation and total phosphorus (TP) recovery. The pilot-scale ASTR-hydrocyclone system provided a 92% reduction of dissolved reactive phosphorus (DRP) in manure slurry from a swine finishing facility concrete storage tank and a 91% reduction of DRP in manure slurry collected from a swine finishing facility deep-pit under floor collection system. The pilot-scale ASTR-hydrocyclone system removed 18% of TP in swine manure from a concrete storage tank and 9% to 14% of TP in swine manure slurry from a deep-pit under floor collection system. The low TP recovery was attributed to the hydrocyclones inability to provide effective struvite separation as operated. Full-scale economics and implementation of the tested struvite-based phosphorus removal is discussed. A case study of a typical Iowa deep-pit swine production facility (10,000 head/year) indicated that the annual cost of struvite-based phosphorus removal using this system would be approximately $8.88/finished pig or $0.035/L manure slurry treated ($ 0.134/gal). This cost often exceeds producer's profit margins; this indicates that struvite-based phosphorus removal using this ASTR-hydrocyclone system in swine finisher manure slurries is not currently economically viable.</p> | |
dc.description.comments | <p>This article is from <a href="http://elibrary.asabe.org/abstract.asp?aid=26329&t=3&dabs=Y&redir=&redirType=" target="_blank"><em>Applied Engineering in Agriculture</em></a>, 25, no. 2 (2009): 257–267.</p> | |
dc.format.mimetype | application/pdf | |
dc.identifier | archive/lib.dr.iastate.edu/abe_eng_pubs/62/ | |
dc.identifier.articleid | 1060 | |
dc.identifier.contextkey | 3522313 | |
dc.identifier.s3bucket | isulib-bepress-aws-west | |
dc.identifier.submissionpath | abe_eng_pubs/62 | |
dc.identifier.uri | https://dr.lib.iastate.edu/handle/20.500.12876/1406 | |
dc.language.iso | en | |
dc.source.bitstream | archive/lib.dr.iastate.edu/abe_eng_pubs/62/Raman_2009_PerformancePilotScaleAirSparged.pdf|||Sat Jan 15 01:17:42 UTC 2022 | |
dc.source.uri | 10.13031/2013.26329 | |
dc.subject.disciplines | Agriculture | |
dc.subject.disciplines | Animal Sciences | |
dc.subject.disciplines | Bioresource and Agricultural Engineering | |
dc.subject.keywords | Manure | |
dc.subject.keywords | Phosphorus | |
dc.subject.keywords | Struvite | |
dc.subject.keywords | Hydrocyclone | |
dc.subject.keywords | Swine | |
dc.title | Performance of a Pilot-Scale Air Sparged Continuous Flow Reactor and Hydrocyclone for Struvite Precipitation and Removal from Liquid Swine Manure | |
dc.type | article | |
dc.type.genre | article | |
dspace.entity.type | Publication | |
relation.isAuthorOfPublication | 0d20027b-c384-4033-aafe-d7cf62e10240 | |
relation.isAuthorOfPublication | 0b0a34a3-f123-4f94-a9cf-e730cb2183a6 | |
relation.isOrgUnitOfPublication | 85ecce08-311a-441b-9c4d-ee2a3569506f | |
relation.isOrgUnitOfPublication | 8eb24241-0d92-4baf-ae75-08f716d30801 |
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