{"id":2372,"date":"2019-04-23T05:42:00","date_gmt":"2019-04-23T03:42:00","guid":{"rendered":"https:\/\/uus.osaservice.ee\/?p=2372"},"modified":"2023-07-19T11:39:58","modified_gmt":"2023-07-19T09:39:58","slug":"ragn-sells-asub-polevkivituha-vaarindamist-katsetama","status":"publish","type":"post","link":"https:\/\/osaservice.ee\/ru\/tuhamaed\/ragn-sells-asub-polevkivituha-vaarindamist-katsetama\/","title":{"rendered":"Ragn-Sells asub p\u00f5levkivituha v\u00e4\u00e4rindamist katsetama"},"content":{"rendered":"<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Rootsi keskkonna ettev\u00f5te Ragn-Sells s\u00f5lmis koost\u00f6\u00f6leppe Eesti Energiaga p\u00f5levkivituha&nbsp;v\u00e4\u00e4rindamise&nbsp;ja ringlusse suunamise v\u00f5imaluste uurimiseks. Katsetamisel olev uus tehnoloogia aitab lahendada \u00fchte Eesti p\u00f5levkivienergia v\u00e4ljakutsetest \u2013 mida teha&nbsp;tootmise k\u00f5rvaltoote ehk koldetuhaga?<\/strong><br><br>T\u00e4na valmib ligi 80% Eestis toodetud energiast p\u00f5levkivist. Selle k\u00e4igus tekib suur hulk k\u00f5rvalsaadust&nbsp;&nbsp;nagu n\u00e4iteks koldetuhk, mida&nbsp;praegu enamjaolt ladustatakse. Samas n\u00e4itavad Ragn-Sellsi poolt l\u00e4biviidud teadusuuringud, et&nbsp;p\u00f5levkivituhka&nbsp;saaks teiste t\u00f6\u00f6stuste tarvis&nbsp;senisest rohkem toormaterjalina kasutada ning taas ringlusse suunata. Uued tehnoloogiad loovad v\u00f5imaluse&nbsp;p\u00f5levkivituhka&nbsp;senisest rohkem&nbsp;v\u00e4\u00e4rindada ning seel\u00e4bi nende hulka ja keskkonnajalaj\u00e4lge olulisel m\u00e4\u00e4ral v\u00e4hendada.<br><br>\u201eOleme viimased kaks aastat koos Rootsi teadlastega erinevaid energiat\u00f6\u00f6stuse tuhkasid uurinud ja just Eestist p\u00e4rit p\u00f5levkivituhk on laborites andnud k\u00f5ige lubavamaid tulemusi. Laboritingimustes oleme j\u00f5udnud v\u00e4ga potentsiaalikate lahendusteni, mis lubavad j\u00e4reldada, et suudame p\u00f5levkivi koldetuhast v\u00e4lja v\u00f5tta toorainet, mida saab taaskasutada materjalit\u00f6\u00f6stuses. Katsetamisel olev uus tehnoloogia aitaks v\u00e4hendada Eesti energiat\u00f6\u00f6stuse \u00f6koloogilist jalaj\u00e4lge. Lisaks saaksime teiste t\u00f6\u00f6stuste jaoks toorainet, mida seni Eesti pole eksportinud ja mis omakorda s\u00e4\u00e4staks t\u00e4iendavate loodusressursside kaevandamist,\u201c r\u00e4\u00e4kis Ragn-Sellsi juhatuse esimees Rain v\u00e4\u00e4na ja lisas, et selline j\u00e4\u00e4kide taaskasutamine haakub Ragn-Sellsi ringmajanduse m\u00f5ttemaailmaga suunata k\u00f5ik, mis loodusest v\u00f5etakse, uuesti ringlusse. \u201eKa teaduse seisukohast saavad j\u00e4rgmised paar aastad olema \u00fclip\u00f5nevad. Ragn-Sells soovib j\u00e4tkata investeerimist, et j\u00f5uda Eesti teadlaste abil l\u00e4hiaastail maailmas ainulaadse tehnoloogiani, mis toetab selgelt ringmajanduskontseptsiooni,\u201c \u00fctles V\u00e4\u00e4na.<br><br>Koost\u00f6\u00f6leppe kohaselt on plaanis j\u00e4rgmise pooleteise aasta jooksul laboritulemuste katsetamise juurest liikuda t\u00f6\u00f6stusliku katsetehnoloogia testimise juurde.<br><br>\u201cEesti Energia visiooniks on luua energiatootmine, kus tekkivad k\u00f5rvalsaadused \u2013 nagu n\u00e4iteks p\u00f5levkivituhk, aga ka lubjakivi \u2013 kasutatakse ringmajanduse p\u00f5him\u00f5ttel maksimaalselt \u00e4ra. Nii suudame p\u00f5levkivi parimal teadaoleval moel v\u00e4\u00e4rindada. Seni on n\u00e4iteks p\u00f5levkivi lendtuhk leidnud aastak\u00fcmneid kasutamist p\u00f5llumajanduses, kus seda kasutatakse happeliste muldade neutraliseerijana. Kuna tuhk sisaldab ka erinevaid taimede kasvuks vajalikke keemilisi elemente, siis on see kasutusel ka v\u00e4etisena. Samuti on tuhk kasutusel ehitusmaterjalide t\u00f6\u00f6stuses toorainena \u2013 sisuliselt on tegemist madalasordilise tsemendiga. H\u00e4id tulemusi on andnud tuha kasutamine ka teedeehituses. Antud koost\u00f6\u00f6kokkulepe h\u00f5lmab aga p\u00f5levkivi koldetuha uurimist, mille taaskasutamises me seni edukad ei ole olnud. Uusi ideid tuha senisest suuremaks v\u00e4\u00e4rindamiseks otsime pidevalt ning usume, et koost\u00f6\u00f6s Ragn-Sellsiga j\u00f5uame heade tulemusteni,\u201c \u00fctles Eesti Energia juhatuse liige Margus Vals.<br><br>Rootsi kontsern Ragn-Sells on j\u00e4rjest enam panustanud ringmajandust toetavate lahenduste arendamisele, sh kaevandusj\u00e4\u00e4kide ja energiatootmise j\u00e4\u00e4kide uurimisele. Viimaste aastate suurimaks avastuseks on maailmas ainulaadne tehnoloogia, mille abil saab metallikaevanduse j\u00e4\u00e4kidest v\u00e4lja v\u00f5tta fosfaate ja haruldasi metalle v\u00e4hendades nii kaevandusj\u00e4\u00e4kide hulka. Eelmisel aastal s\u00f5lmis Ragn-Sells lepingu Rootsi kuningriigile kuuluva metallikaevandusettev\u00f5ttega LKAB, kaevandusj\u00e4\u00e4kidest fosfaatide ja haruldaste metallide v\u00e4ljav\u00f5tmiseks. Lahendus on seda erilisem, et Euroopa Liidus on fosfor arvatud 100 k\u00f5ige kriitilisema keemilise \u00fchendi hulka. Uus tehnoloogia aitab juba kaevandatud j\u00e4\u00e4ke v\u00e4\u00e4rindada ja v\u00e4hendada vajadust eraldi suure keskkonnakoormusega kaevandusi avada.<\/p>","protected":false},"excerpt":{"rendered":"<p>Rootsi keskkonna ettev\u00f5te Ragn-Sells s\u00f5lmis koost\u00f6\u00f6leppe Eesti Energiaga p\u00f5levkivituha v\u00e4\u00e4rindamise ja ringlusse suunamise v\u00f5imaluste uurimiseks. Katsetamisel olev uus tehnoloogia aitab lahendada \u00fchte Eesti p\u00f5levkivienergia v\u00e4ljakutsetest \u2013 mida teha tootmise k\u00f5rvaltoote ehk koldetuhaga?<\/p>","protected":false},"author":2,"featured_media":2426,"comment_status":"closed","ping_status":"","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":[10,9],"tags":[],"class_list":["post-2372","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-innovatsioon","category-tuhamaed"],"uagb_featured_image_src":{"full":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1.jpg",2560,1707,false],"thumbnail":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1-150x150.jpg",150,150,true],"medium":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1-300x200.jpg",300,200,true],"medium_large":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1-768x512.jpg",768,512,true],"large":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1-1536x1024.jpg",1536,1024,true],"2048x2048":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1-2048x1366.jpg",2048,1366,true],"trp-custom-language-flag":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/S76A9675_0-scaled-1-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"Rainer Pesti","author_link":"https:\/\/osaservice.ee\/ru\/author\/rainer\/"},"uagb_comment_info":0,"uagb_excerpt":"Rootsi keskkonna ettev\u00f5te Ragn-Sells s\u00f5lmis koost\u00f6\u00f6leppe Eesti Energiaga p\u00f5levkivituha v\u00e4\u00e4rindamise ja ringlusse suunamise v\u00f5imaluste uurimiseks. Katsetamisel olev uus tehnoloogia aitab lahendada \u00fchte Eesti p\u00f5levkivienergia v\u00e4ljakutsetest \u2013 mida teha tootmise k\u00f5rvaltoote ehk koldetuhaga?","_links":{"self":[{"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/posts\/2372","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/comments?post=2372"}],"version-history":[{"count":2,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/posts\/2372\/revisions"}],"predecessor-version":[{"id":2406,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/posts\/2372\/revisions\/2406"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/media\/2426"}],"wp:attachment":[{"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/media?parent=2372"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/categories?post=2372"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/tags?post=2372"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}