| fullrecord |
[{"key": "dc.contributor.advisor", "value": "Per\u00e4m\u00e4ki, Siiri", "language": null, "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Halonen, Hanna", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2017-07-03T10:41:24Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2017-07-03T10:41:24Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2017", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1704550", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/54814", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "Kiertotalouden ideana on hy\u00f6dynt\u00e4\u00e4 j\u00e4te- ja sivuvirroista saatavat raaka-aineet uusien tuotteiden tuottamiseen, jolloin voidaan s\u00e4\u00e4st\u00e4\u00e4 neitseellisi\u00e4 raaka-aineita. N\u00e4it\u00e4 ovat esimerkiksi lannoitteissa k\u00e4ytett\u00e4v\u00e4 fosfori ja useissa fossiilisia polttoaineita korvaavissa tuotteissa k\u00e4ytett\u00e4v\u00e4t harvinaiset maametallit ja jalometallit. Luonnonsuojelun lis\u00e4ksi kiertotalouteen kannustavat jatkuvasti kasvava kysynt\u00e4 resursseista sek\u00e4 niiden saatavuuden hankaloituminen.\nJyv\u00e4skyl\u00e4n seudulla k\u00e4ynnistetyn Innovatiivinen kiertotalous -hankkeen kiinnostuksen kohteena on Nen\u00e4inniemen j\u00e4tevedenpuhdistamon m\u00e4d\u00e4tetyn j\u00e4tevesilietteen kiertotaloudellisen arvon selvitt\u00e4minen. T\u00e4m\u00e4n Pro gradu -ty\u00f6n tarkoituksena oli kehitt\u00e4\u00e4 ICP-OES ja ICP-MS -laitteistoille mittausmenetelm\u00e4t, joilla tutkittavan n\u00e4ytteen ravinnepitoisuuksia, harvinaisia maametallipitoisuuksia sek\u00e4 jalometallipitoisuuksia m\u00e4\u00e4ritettiin.\nICP-OES:lle kehitettiin ravinteiden sek\u00e4 harvinaisista maametalleista skandiumin ja yttriumin analysointia varten mittausmenetelm\u00e4t. Muiden harvinaisten maametallien sek\u00e4 jalometallien mittausmenetelm\u00e4t kehitettiin ICP-MS:lle. M\u00e4d\u00e4tetyn j\u00e4tevesilietteen alkuainepitoisuuksien perusteella alumiinin, raudan, kalsiumin, fosforin, piin, palladiumin ja ceriumin talteenottoa voi pit\u00e4\u00e4 kannattavana.\nM\u00e4d\u00e4tetylle yhdyskuntaj\u00e4tevesilieten\u00e4ytteelle tehtiin eri hapoilla ja niiden eri konsentraatioilla uuttoja, joiden tarkoituksena oli alustavasti selvitt\u00e4\u00e4 eri alkuaineiden liukeneminen eri happouuttoliuoksiin. Kokeiden perusteella fosforin liuottamisessa toimi parhaiten rikkihappo, jonka avulla saavutettiin suhteellisen hyv\u00e4 saantoprosentti samalla, kun muiden ravinteiden liukeneminen oli v\u00e4h\u00e4ist\u00e4. Harvinaisten maametallien talteenotossa toimivat parhaiten 6 molaarinen vetykloridi- ja typpihappo. Jalometallien talteenoton suunnittelua varten tarvitaan viel\u00e4 lis\u00e4\u00e4 kokeita, mutta palladiumin liukeneminen vetykloridihappoon vaikutti parhaimmalta k\u00e4ytetyist\u00e4 uuttoliuoksista.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Hanna Halonen (harianha) on 2017-07-03 10:41:23.830960. Form: Pro gradu -lomake (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake). JyX data: [jyx_publishing-allowed (fi) =True]", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija.group@korppi.jyu.fi) on 2017-07-03T10:41:24Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201707033216.pdf: 2037471 bytes, checksum: 090d0d40cfc12cde3579a228325a8c1a (MD5)\nlicense.html: 4867 bytes, checksum: a6827301b57c764507997b9c2a466670 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2017-07-03T10:41:24Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201707033216.pdf: 2037471 bytes, checksum: 090d0d40cfc12cde3579a228325a8c1a (MD5)\nlicense.html: 4867 bytes, checksum: a6827301b57c764507997b9c2a466670 (MD5)\n Previous issue date: 2017", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "1 verkkoaineisto (88 sivua)", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.title", "value": "Yhdyskuntaj\u00e4tevesilietteen alkuainekoostumuksen m\u00e4\u00e4ritt\u00e4minen k\u00e4ytt\u00e4m\u00e4ll\u00e4 ICP-OES ja ICP-MS laitteistoja", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201707033216", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Kemian laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Chemistry", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Ep\u00e4orgaaninen ja analyyttinen kemia", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Inorganic and Analytical Chemistry", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2017-07-03T10:41:24Z", "language": null, "element": "date", "qualifier": "updated", "schema": "dc"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": null, "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": "fi", "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4031", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "j\u00e4tevesiliete", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "hy\u00f6tyk\u00e4ytt\u00f6", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "j\u00e4teveden k\u00e4sittely", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "mittausmenetelm\u00e4t", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "j\u00e4tevesi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
|