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Fleur de sel composition and production: analysis and numerical simulation in an artisanal saltern

2019-11Journal article Restricted access
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dc.contributor.authorSainz, Noa
dc.contributor.authorBoski, T.
dc.contributor.authorDMR, Sampath
dc.date.accessioned2020-07-24T10:51:04Z
dc.date.available2020-07-24T10:51:04Z
dc.date.issued2019-11
dc.description.abstractThis study is a first approach to modelling of fleur de sel production, aimed at increasing its efficiency and contributing to the scarce literature on the topic. Quantitative forecasting of daily production of fleur de sel was applied to an artisanal solar pond unit in the environmentally protected area of Castro Marim, SE Portugal. The numerical model was based on simulations of the evaporation process, taking into account the effect of reduced vapour pressure of the brine solution. The controlling variables chosen as input parameters to the forecast model were brine temperature, brine concentration, harvesting efficiency, albedo, incoming solar radiation, precipitation, air relative humidity, air temperature, atmospheric pressure, day of the year, wind direction, and wind speed. Production predicted by the model was tested against actual production in two crystallisers in the years 2015 and 2017. The statistically evaluated match between the estimated and actual production was highly significant with a mean R-2 of 0.8 and overall error of estimation was 14.5%. The chemical composition of nine samples of fleur de sel was analysed, showing the temporal evolution of several components during the harvesting period. A decrease of NaCl content from 96% to 87% and an increase by one order of magnitude of Mg, S, K, Br, and As were observed. The range of Ca, Si, Al, and Sr contents was 0.12-0.65%, 0.1-0.85%, 0.08- 0.3%, and 0.009-0.013%, respectively. Ba, Fe, Mn, Mo, Pb, and Sn contents had the following ranges: 0.051-0.145, 1.2-5.5, 0.44-1.66, 0.03-0.05, <0.05-0.55, and <0.05-0.1 mg/kg, respectively. The following elements were below the detection limit and below the limits of the Codex Alimentarius: Cd, Th, U, Cu, Cr, Co, Ni, V, Bi, Zn, Rb, and Hg.
dc.description.sponsorshipErasmusthorn (European Commission)
dc.description.sponsorshipBanco Santander Iberoamerica
dc.description.sponsorshipUniversity of Cadiz
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.2112/JCOASTRES-D-18-00132.1
dc.identifier.issn0749-0208
dc.identifier.urihttp://hdl.handle.net/10400.1/14192
dc.language.isoeng
dc.peerreviewedyes
dc.publisherCoastal Education & Research Foundation
dc.subjectSw Iberian Peninsula
dc.subjectSolar salt
dc.subjectEvaporation ponds
dc.subjectGuadiana Estuary
dc.subjectLevel Rise
dc.subjectCrystallization
dc.subjectSaltworks
dc.subjectWetland
dc.subjectModel
dc.subjectCoastal salt marshes
dc.subjectMeteorological parameters
dc.subjectTraditional saltworks
dc.subjectEdible salt
dc.subjectEstuarine wetlands
dc.titleFleur de sel composition and production: analysis and numerical simulation in an artisanal saltern
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1214
oaire.citation.issue6
oaire.citation.startPage1200
oaire.citation.titleJournal of Coastal Research
oaire.citation.volume35
person.familyNameSainz
person.familyNameBoski
person.familyNameDissanayake Mudiyanselage
person.givenNameNoa
person.givenNameTomasz
person.givenNameRuwan Sampath
person.identifier.ciencia-id1416-B317-51D1
person.identifier.ciencia-idDE1B-EC67-D7FD
person.identifier.orcid0000-0002-1447-5416
person.identifier.orcid0000-0003-2462-4179
person.identifier.orcid0000-0001-6931-9384
person.identifier.scopus-author-id6602267486
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication76806368-cf89-46a6-bf9b-ad578f719391
relation.isAuthorOfPublicationa857b0c7-90ab-473b-a62e-e92b452e604d
relation.isAuthorOfPublication5e549d62-ff38-4fb2-8adc-965843e46f13
relation.isAuthorOfPublication.latestForDiscovery76806368-cf89-46a6-bf9b-ad578f719391

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