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[{"key": "dc.contributor.advisor", "value": "V\u00e4is\u00e4nen, Ari", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Lahtinen, Elmeri", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Koskinen, Jutta", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2020-08-06T05:31:45Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2020-08-06T05:31:45Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2020", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/71345", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4m\u00e4n pro gradu -tutkielman kirjallisessa osassa tarkastellaan teollistuneen maailman aiheuttamia ymp\u00e4rist\u00f6\u00e4 kuormittavia metallip\u00e4\u00e4st\u00f6j\u00e4 ja niiden vaikutuksia. Tarkastelussa nostetaan esille ymp\u00e4rist\u00f6n suojelemista varten luodut s\u00e4\u00e4nn\u00f6kset kuten EU:n laatimat ymp\u00e4rist\u00f6nlaatunormit sek\u00e4 tutustutaan parhaaseen k\u00e4ytt\u00f6kelpoiseen tekniikkaan ja sen raja-arvoihin. Painotetaan puhtaan veden t\u00e4rkeytt\u00e4 yhteiskunnan perusedellytyksen\u00e4 ja tutustutaan Suomen vesihuoltoon sek\u00e4 Suomessa esiintyviin teollisuuden aloihin ja niiden aiheuttamiin j\u00e4tevesip\u00e4\u00e4st\u00f6ihin. J\u00e4tevesien puhdistukseen tarjotaan n\u00e4k\u00f6kulmaa ioninvaihtomateriaaleista, joita k\u00e4sitell\u00e4\u00e4n tarkemmin rakenteen ja toimintaperiaatteen osalta. Ioninvaihtomateriaalit linkitet\u00e4\u00e4n lopulta innovatiiviseen 3D-tulostusteknologiaan, jossa hy\u00f6dynnet\u00e4\u00e4n selektiivist\u00e4 lasersintrausta. T\u00e4m\u00e4n avulla ioninvaihtoon kykenev\u00e4t materiaalit saadaan tulostettua huokoisen suodattimen muotoon, tehostaen ioninvaihtimien helppok\u00e4ytt\u00f6isyytt\u00e4 teollisuudessa. Yleisten 3D-tulostustekniikoiden l\u00e4pik\u00e4ynnin j\u00e4lkeen luodaan viel\u00e4 katsaus poikkeuksellisen suorituskykyiseen analyyttiseen mittausmenetelm\u00e4\u00e4n ICP-OES, joka mahdollistaa nopean monialkuainem\u00e4\u00e4rityksen.\n\nTutkielman kokeellisessa osassa keskityttiin metallij\u00e4\u00e4mien poistamiseen ampumaratojen hulevesist\u00e4 ja raskaiden raketinheittimien pesuvesist\u00e4. Ratkaisua metallien poistoon etsittiin ioninvaihtomateriaaleista; kehitt\u00e4m\u00e4ll\u00e4 selektiivisen lasersintrauksen avulla 3D-tulostettuja kustomoituja metallisieppareita, joihin sis\u00e4llytettiin tehokas ioninvaihtoon kykenev\u00e4 materiaali Dowex50WX8. Tutkimukset painottuivat metallisieppareiden toimintakyvyn tarkasteluun sis\u00e4lt\u00e4en talteenotto-, kinetiikka-, adsorptiokapasiteetti-, uudelleenk\u00e4ytett\u00e4vyys-, eluointi- ja regenerointikokeet.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2020-08-06T05:31:45Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2020-08-06T05:31:45Z (GMT). No. of bitstreams: 0\n Previous issue date: 2020", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "96", "language": "", "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.subject.other", "value": "selektiivinen lasersintraus", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "ioninvaihto", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "3D-metallisiepparit ymp\u00e4rist\u00f6\u00e4 kuormittavien metallien talteenotossa", "language": "", "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-202008065491", "language": "", "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": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "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": 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