{"id":2331,"date":"2020-09-03T16:31:00","date_gmt":"2020-09-03T14:31:00","guid":{"rendered":"https:\/\/uus.osaservice.ee\/?p=2331"},"modified":"2023-07-19T14:22:38","modified_gmt":"2023-07-19T12:22:38","slug":"pressiteade-tuhamagedel-tehti-proovipuurimised-tuhkade-kasutusuvoimaluste-uurimiseks","status":"publish","type":"post","link":"https:\/\/osaservice.ee\/et\/tuhamaed\/pressiteade-tuhamagedel-tehti-proovipuurimised-tuhkade-kasutusuvoimaluste-uurimiseks\/","title":{"rendered":"Tuham\u00e4gedel tehti proovipuurimised tuhkade kasutusuv\u00f5imaluste uurimiseks"},"content":{"rendered":"\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Ragn-Sells&nbsp;koost\u00f6\u00f6s&nbsp;insenerib\u00fcroo&nbsp;STEIGER`i&nbsp;ja&nbsp;Tartu \u00dclikooli teadlastega puurisid Ida-Virumaal asuvat p\u00f5levkivituham\u00e4ge eesm\u00e4rgiga koguda infot&nbsp;juba ladestatud tuhaj\u00e4\u00e4tmete&nbsp;v\u00e4\u00e4rindamise&nbsp;edasiste uuringute l\u00e4biviimiseks. Sama konsortsium tegeleb ka jooksvalt tekkivate tuhaj\u00e4\u00e4tmete&nbsp;v\u00e4\u00e4rindamise&nbsp;projekti elluviimisega.<\/strong>&nbsp;<br><br>Ragn-Sellsi&nbsp;projektijuhi Alar&nbsp;Saluste&nbsp;s\u00f5nul on piisavalt uuritud v\u00e4rskeid tuhkasid, kuid tuhkasid on sadu miljoneid tonne juba aastak\u00fcmnete jooksul ladestatud.  \u201eJ\u00e4rgmine samm ongi&nbsp;ladestatud&nbsp;tuhaj\u00e4\u00e4tmetega uuringute l\u00e4biviimine, et kaardistada seal peituvad v\u00f5imalused. Kindlasti oleks tuleviku ambitsiooniks ka nendele \u00e4\u00e4rmiselt suuremahulistele j\u00e4\u00e4tmetele ringmajanduslikke kasutuslahendusi leida,\u201c lisas&nbsp;Saluste.&nbsp; <br><br>Tartu \u00dclikooli teadur Riho&nbsp;M\u00f5tlep&nbsp;m\u00f6\u00f6nis, et senised p\u00fc\u00fcdlused taaskasutada p\u00f5levkivienergeetikas tekkivaid j\u00e4\u00e4tmeid on&nbsp;seni&nbsp;koondunud n\u00f6 v\u00e4rskele tuhale.&nbsp;\u201eKoostiselt aga v\u00f5iks ka ladestatud tuhk omada head potentsiaali materjali \u00fcmbert\u00f6\u00f6tlemiseks ja seel\u00e4bi&nbsp;v\u00e4\u00e4rindamiseks. K\u00e4esoleva rakendusuuringu k\u00e4igus puuriti ja v\u00f5eti tuhaladestu puutumatust keskosast esmakordselt proovid, mis annavad meile infot sellest,&nbsp;kas aastak\u00fcmneid seisnud tuhka saab k\u00e4esoleva tehnoloogia arenduse j\u00e4rgi kasuliku toormena kasutada.\u201c m\u00e4rkis&nbsp;M\u00f5tlep.&nbsp;&nbsp;<br><br>Viis aastat tagasi k\u00e4ivitatud p\u00f5levkivituhkade\u202fv\u00e4\u00e4rindamise\u202fuurimisprojekti jaoks l\u00f5i\u202fRagn-Sells\u202fAS\u202fEestis t\u00fctarettev\u00f5tte RS-OSA Service O\u00dc. T\u00e4naseks on ettev\u00f5tte juhtimisel loodud teaduslik konsortsium, milles osalevad alus- ja rakendusuuringute l\u00e4biviimisel ka\u202fTartu \u00dclikooli ja Tallinna Tehnika\u00fclikooli teadlased. Hiljuti liitus uuringute kaasrahastajana Sihtasutus\u202fArchimedes.\u202f&nbsp;<br><br><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/www.osaservice.ee\/wp-content\/uploads\/2020\/11\/osa_ragnsells_polevkivituha_puurimine.mov\"><\/video><\/figure>\n\n\n\n<p>P\u00f5levkivielektrit\u00f6\u00f6stusest p\u00e4rit tuhkade ringlusse v\u00f5tmise lahenduste uurimisel keskendutakse tuhkade\u202fkoostisele ja v\u00f5imalustele tuhkades leiduvaid keemilisi komponente\u202ftaaskasutada erinevates materjalit\u00f6\u00f6stustes. Sellised j\u00e4\u00e4kide kasutamise tehnoloogiad aitaksid \u00fchelt poolt v\u00e4hendada\u202fkoormust\u202fIda-Virumaa keskkonnale\u202fja teisalt\u202fvajadust\u202fkaevandada t\u00e4iendavaid loodusressursse\u202fnii Euroopas kui maailmas tervikuna.\u202fTehnoloogia\u202farendust\u00f6\u00f6de\u202feesm\u00e4rgiks\u202fon\u202f\u202f\u00fcle\u202f\u202f1\u202fmiljoni\u202ftonni p\u00f5levkivituhaj\u00e4\u00e4tmete\u202fv\u00e4\u00e4rindamine\u202faastas s\u00fcsinikneutraalse protsessi abil.\u202f&nbsp;<br><br>Ragn-Sells&#8217;il\u202fon pikaajaline kogemus ringmajanduslahenduste v\u00e4ljat\u00f6\u00f6tamises ja k\u00e4ivitamises.\u202fT\u00e4navu mais teatas\u202fRagn-Sells\u202fGrupp uue lendtuhkade\u202fv\u00e4\u00e4rindamise\u202ftehase ehituse\u202falgusest\u202fStockholmi l\u00e4hedal, Rootsis. Kahe aasta p\u00e4rast v\u00f5imaldab valmiv tehas\u202fv\u00e4\u00e4rindada\u202fligi pool Rootsis tekkivast lendtuhast\u202ft\u00f6\u00f6stuslikeks sooladeks.\u202f&nbsp;<br><br>Ragn-Sells\u202fGrupp\u202fon Rootsi\u202fpereettev\u00f5te, mis\u202fon tegev\u202fkokku neljas riigis.\u202f1881 aastal loodud\u202f\u202fettev\u00f5te\u202fon spetsialiseerunud\u202f\u202ftaaskasutust ja\u202fringmajandust toetavate lahenduste&nbsp;arendamisele ja osutamisele.\u202fRagn-Sells\u202fEesis t\u00f6\u00f6tab 275 inimest\u202fja ettev\u00f5te k\u00e4ive on 27 miljonit eurot.\u202f\u202f\u202f&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ragn- Sells\u00a0koost\u00f6\u00f6s\u00a0insenerib\u00fcroo\u00a0STEIGER`i\u00a0ja\u00a0Tartu \u00dclikooli teadlastega puurisid Ida-Virumaal asuvat p\u00f5levkivituham\u00e4ge eesm\u00e4rgiga koguda infot\u00a0juba ladestatud tuhaj\u00e4\u00e4tmete\u00a0v\u00e4\u00e4rindamise\u00a0edasiste uuringute l\u00e4biviimiseks. Sama konsortsium tegeleb ka jooksvalt tekkivate tuhaj\u00e4\u00e4tmete\u00a0v\u00e4\u00e4rindamise\u00a0projekti elluviimisega.<\/p>\n","protected":false},"author":2,"featured_media":2424,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"enabled","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[13,9],"tags":[],"class_list":["post-2331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teadusuuringud","category-tuhamaed"],"uagb_featured_image_src":{"full":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-scaled.jpg",2560,1706,false],"thumbnail":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-150x150.jpg",150,150,true],"medium":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-300x200.jpg",300,200,true],"medium_large":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-768x512.jpg",768,512,true],"large":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-1536x1024.jpg",1536,1024,true],"2048x2048":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-2048x1365.jpg",2048,1365,true],"trp-custom-language-flag":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/polevkivituha_proovid-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"Rainer Pesti","author_link":"https:\/\/osaservice.ee\/et\/author\/rainer\/"},"uagb_comment_info":0,"uagb_excerpt":"Ragn- Sells\u00a0koost\u00f6\u00f6s\u00a0insenerib\u00fcroo\u00a0STEIGER`i\u00a0ja\u00a0Tartu \u00dclikooli teadlastega puurisid Ida-Virumaal asuvat p\u00f5levkivituham\u00e4ge eesm\u00e4rgiga koguda infot\u00a0juba ladestatud tuhaj\u00e4\u00e4tmete\u00a0v\u00e4\u00e4rindamise\u00a0edasiste uuringute l\u00e4biviimiseks. Sama konsortsium tegeleb ka jooksvalt tekkivate tuhaj\u00e4\u00e4tmete\u00a0v\u00e4\u00e4rindamise\u00a0projekti elluviimisega.","_links":{"self":[{"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/posts\/2331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/comments?post=2331"}],"version-history":[{"count":5,"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/posts\/2331\/revisions"}],"predecessor-version":[{"id":2447,"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/posts\/2331\/revisions\/2447"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/media\/2424"}],"wp:attachment":[{"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/media?parent=2331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/categories?post=2331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/osaservice.ee\/et\/wp-json\/wp\/v2\/tags?post=2331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}