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[{"key": "dc.contributor.author", "value": "Tulppo, Paula", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2011-11-23T05:17:28Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2011-11-23T05:17:28Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2011", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1189355", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/36984", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "J\u00e4tteen hajotessa kaatopaikoilla muodostuu metaania sis\u00e4lt\u00e4v\u00e4\u00e4 kaatopaikkakaasua.Muodostuvan metaanin m\u00e4\u00e4r\u00e4 riippuu j\u00e4tteen orgaanisen materiaalin m\u00e4\u00e4r\u00e4st\u00e4. Metaani on voimakas kasvihuonekaasu, mutta my\u00f6s hy\u00f6dynnett\u00e4viss\u00e4 energianl\u00e4hteen\u00e4. Monet kaatopaikat on rakennettu kauas asutuksesta ja muusta teollisuudesta, jolloin kaatopaikkakaasulla tuotettavalle energialle on v\u00e4h\u00e4n hy\u00f6dynt\u00e4miskohteita. \nTutkimuksessa verrattiin metaanin muodostumista pienell\u00e4 ja sijainniltaan et\u00e4isell\u00e4 esimerkkikaatopaikalla biohajoavan ja palavan j\u00e4tteen eri osuuksilla. Metaanin muodostumista mallinnettiin IPCC:n FOD-mallilla ja monivaiheisella LandGEM 3.02-\nmallilla. Lis\u00e4ksi verrattiin eri hy\u00f6dynt\u00e4misvaihtoehtojen soveltuvuutta kyseiselle kaatopaikalle.\nMonivaiheinen LandGEM 3.02-malli ennusti FOD-mallia suurempaa metaanintuotantoa\nkaikissa skenaarioissa. Vuosien 2017 \u2013 2033 keskim\u00e4\u00e4r\u00e4inen kaasusta saatava polttoaineteho oli 0,7 \u2013 1,46 MW nykyisell\u00e4 j\u00e4tteen koostumuksella, 0,37 \u2013 0,76 MW puolella nykyisest\u00e4 biohajoavan j\u00e4tteen m\u00e4\u00e4r\u00e4st\u00e4, 0,38 \u2013 1,01 MW mik\u00e4li polttokelpoisen j\u00e4tteen kaatopaikkasijoitus lakkaisi ja 0,04 \u2013 0,05 MW mik\u00e4li kaiken biohajoavan j\u00e4tteen kaatopaikkasijoitus lakkaisi.\nKaatopaikkakaasulla tuotettava energia riitt\u00e4\u00e4 kaatopaikka-alueen oman s\u00e4hk\u00f6tarpeen kattamiseen, mik\u00e4li kaatopaikalle sijoitetaan tulevaisuudessa biohajoavaa j\u00e4tett\u00e4. Jos\nbiohajoavan j\u00e4tteen kaatopaikkasijoitus lakkaa kokonaan, ei kaasua muodostu pitk\u00e4ll\u00e4 aikav\u00e4lill\u00e4 hy\u00f6dynnett\u00e4viss\u00e4 olevia m\u00e4\u00e4ri\u00e4. Muodostuvan kaasun m\u00e4\u00e4r\u00e4 on samaa suuruusluokkaa tapauksessa, jossa polttokelpoisen j\u00e4tteen kaatopaikkasijoitus lakkaa ja jossa biohajoavan j\u00e4tteen kaatopaikkasijoitus v\u00e4henee puoleen nykyisest\u00e4. Hitaasti\nhajoavan polttokelpoisen j\u00e4tteen poistaminen lyhent\u00e4\u00e4 metaanip\u00e4\u00e4st\u00f6jen muodostumisaikaa kaatopaikan sulkemisen j\u00e4lkeen.\nEsimerkkikaatopaikalla kannattaa laskelmien mukaan tuottaa kaatopaikkakaasusta s\u00e4hk\u00f6\u00e4, sill\u00e4 ylim\u00e4\u00e4r\u00e4inen s\u00e4hk\u00f6 voidaan myyd\u00e4 verkkoon. L\u00e4mp\u00f6\u00e4 kaasusta voitaisiin tuottaa yli oman tarpeen. Mik\u00e4li l\u00e4mm\u00f6lle ei l\u00f6ydy hy\u00f6dynt\u00e4miskohdetta, ei sen tuottaminen ole kannattavaa. S\u00e4hk\u00f6ntuotannon hukkal\u00e4mm\u00f6ll\u00e4 voidaan kuitenkin esimerkiksi l\u00e4mmitt\u00e4\u00e4 k\u00e4sittelyyn menev\u00e4\u00e4 kaatopaikan j\u00e4tevett\u00e4.", "language": null, "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Paula Tulppo (pakatulp) on 2011-11-23 05:17:27.015943. Form: Pro gradu -lomake (1 tekij\u00e4) (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake-1-tekijae). JyX data:", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2011-11-23T05:17:28Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-2011112311717.pdf: 741342 bytes, checksum: c23cd5b9027fe2fc64c3708d5db9e2f2 (MD5)\nlicense.html: 5066 bytes, checksum: 9f3b6f037fb0532857dc033f92cc78fc (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2011-11-23T05:17:28Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-2011112311717.pdf: 741342 bytes, checksum: c23cd5b9027fe2fc64c3708d5db9e2f2 (MD5)\nlicense.html: 5066 bytes, checksum: 9f3b6f037fb0532857dc033f92cc78fc (MD5)\n Previous issue date: 2011", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "50 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.subject.other", "value": "kaatopaikkakaasun muodostuminen", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "kaatopaikkakaasun hy\u00f6dynt\u00e4minen", "language": "", "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Kaatopaikkakaasun muodostuminen ja hy\u00f6dynt\u00e4minen pienell\u00e4 ja et\u00e4isell\u00e4 kaatopaikalla : esimerkkitapaus Kuusisel\u00e4n kaatopaikka", "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-2011112311717", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.dcmitype", "value": "Text", "language": "en", "element": "type", "qualifier": "dcmitype", "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": "Bio- ja ymp\u00e4rist\u00f6tieteiden laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Biological and Environmental Science", "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": "Ymp\u00e4rist\u00f6tiede ja -teknologia", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Environmental science and technology", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.date.updated", "value": "2011-11-23T05:17:29Z", "language": null, "element": "date", "qualifier": "updated", "schema": "dc"}, {"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": "4015", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kaatopaikat", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kaasut", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "j\u00e4tekaasut", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "metaani", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "kasvihuonekaasut", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "hy\u00f6dynt\u00e4minen", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": 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