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[{"key": "dc.contributor.advisor", "value": "Lahtinen, Manu", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.advisor", "value": "Koskinen, Teemu", "language": "", "element": "contributor", "qualifier": "advisor", "schema": "dc"}, {"key": "dc.contributor.author", "value": "Turkki, Riikka", "language": "", "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2023-08-03T10:24:49Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2023-08-03T10:24:49Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2023", "language": "", "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/88495", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4ss\u00e4 pro gradu- tutkielmassa tarkastellaan eri menetelmill\u00e4 tuotettujen uusiovesien mahdollisuuksia toimia vihre\u00e4n vedyn tuotannossa. Vedyn tuotantoa j\u00e4tevesist\u00e4 on tutkittu laboratoriomittakaavassa, mutta aiempaa teoreettista tai kokeellista tutkimusta t\u00e4ss\u00e4 tutkimuksessa tuotettujen uusiovesien soveltuvuudesta vedyn tuotannossa ei ole saatavilla. T\u00e4m\u00e4 tutkielma k\u00e4sittelee teoreettisesti vetytaloutta sek\u00e4 laajalti erilaisia fossiilipohjaisia ja uusiutuviin l\u00e4hteisiin pohjautuvia vedyn tuotantomenetelmi\u00e4. N\u00e4iden lis\u00e4ksi tarkastellaan erilaisia vetyanalytiikan menetelmi\u00e4, kuten rotaatio-Raman-spektroskopiaa ja kaasukromatografiaa. Tutkielma k\u00e4sittelee lyhyesti my\u00f6s kunnallisen j\u00e4teveden k\u00e4sittelytekniikoita uusiovesien tuotannossa, osittain pohjautuen Mikkelin j\u00e4tevedenpuhdistamon pilot-mittakaavan prosessiin. \n\nKokeellinen osuus k\u00e4sittelee tutkimuksessa tuotettujen uusiovesien: NF (Nanofiltration)-, RO (Reverse osmosis)- permeaatin ja AOP (Advanced oxidation process)- veden sek\u00e4 MBR (Membrane bioreactor)- tekniikalla k\u00e4sittelyn j\u00e4teveden eli MBR-permeaatin laatua ja puhtautta vesikemian n\u00e4k\u00f6kulmasta sek\u00e4 n\u00e4iden vesien testausta elektrolyyttisess\u00e4 vedyn tuotannossa laboratoriomittakaavassa. Uusiovesien rinnalla tutkitaan my\u00f6s vertailuvesiksi valikoituja Mikkelin kantakaupungin talous- ja pohjavett\u00e4. Tutkielman tulostarkastelussa vertaillaan eri vesilaatujen soveltuvuutta ja toimivuutta vedyn tuotannossa testaamalla niit\u00e4 alkalisessa elektrolyysiss\u00e4. Tulostarkastelu pohjautuu vesianalyysien, induktiivisesti kytketty plasma- optinen emissio- spektroskopian (ICP-OES), rotaatio-Raman-spektroskopian sek\u00e4 SEM-EDX:n tuloksiin. \n\nVedyn tuotannon testaus alkalisella elektrolyysill\u00e4 osoitti, ett\u00e4 kaikki tutkitut vesilaadut tuottivat vety\u00e4, mutta parhaimmat vedyntuotantokapasiteetit olivat uusiovesien AOP-vedell\u00e4 ja RO-permeaatilla. T\u00e4m\u00e4n tutkimuksen tulosten perusteella voitiin todeta, ett\u00e4 vedyn tuotantokapasiteetti ei riipu yksinomaan elektrolyysiveden ep\u00e4puhtauksien m\u00e4\u00e4r\u00e4st\u00e4 ja laadusta tai veden s\u00e4hk\u00f6kemiallisista ominaisuuksista, vaan tuotannon m\u00e4\u00e4r\u00e4 ja tehokkuus ovat n\u00e4ist\u00e4 kaikista tekij\u00f6ist\u00e4 riippuvaisia.", "language": "fi", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by Paivi Vuorio (paelvuor@jyu.fi) on 2023-08-03T10:24:48Z\nNo. of bitstreams: 0", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2023-08-03T10:24:49Z (GMT). No. of bitstreams: 0\n Previous issue date: 2023", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "177", "language": "", "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": null, "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "MBR", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "NF", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "RO", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "AOP", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "uusiovesi", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "vihre\u00e4 vety", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Uusiovedet vihre\u00e4n vedyn tuotannossa : case Mikkeli", "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-202308034610", "language": "", "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "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": "Kemia", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Chemistry", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "yvv.contractresearch.collaborator", "value": "business", "language": "", "element": "contractresearch", "qualifier": "collaborator", "schema": "yvv"}, {"key": "yvv.contractresearch.funding", "value": "0", "language": "", "element": "contractresearch", "qualifier": "funding", "schema": "yvv"}, {"key": "yvv.contractresearch.initiative", "value": "student", "language": "", "element": "contractresearch", "qualifier": "initiative", "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.copyright", "value": "\u00a9 The Author(s)", "language": null, "element": "rights", "qualifier": "copyright", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": null, "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": "4038", "language": "", "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "vety", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "tuotanto", "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.subject.yso", "value": "elektrolyysi", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "vihre\u00e4 kemia", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}]
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