{"id":2338,"date":"2020-06-26T05:13:00","date_gmt":"2020-06-26T03:13:00","guid":{"rendered":"https:\/\/uus.osaservice.ee\/?p=2338"},"modified":"2023-07-19T11:33:42","modified_gmt":"2023-07-19T09:33:42","slug":"taltech-professor-andres-trikkel-selgitab-mis-on-polevkivituhast-saadav-kaltsiumkarbonaat","status":"publish","type":"post","link":"https:\/\/osaservice.ee\/ru\/teadusuuringud\/taltech-professor-andres-trikkel-selgitab-mis-on-polevkivituhast-saadav-kaltsiumkarbonaat\/","title":{"rendered":"TALTECH professor Andres Trikkel selgitab: mis on p\u00f5levkivituhast saadav kaltsiumkarbonaat"},"content":{"rendered":"<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>P\u00f5levkivituhast toodetavast materjalist omandab suurima osakaalu s\u00fcnteetiline kaltsiumkarbonaat. Parimad n\u00e4ited loodusliku kaltsiumkarbonaadi kasutamisest leiame toidu- ja farmaatsiasektorist. Kuna antud materjal p\u00e4rineb t\u00f6\u00f6tlevast t\u00f6\u00f6stusest, siis k\u00f5ige t\u00f5en\u00e4olisemalt saab Ida-Virumaa p\u00f5levkivituhast toodetud kaltsiumkarbonaati hakata kasutama t\u00e4iteainena v\u00e4rvi-, plasti- ja paberit\u00f6\u00f6stuses.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h2 class=\"wp-block-heading\">MIS ON KALTSIUM- KARBONAAT<\/h2>\n\n\n\n<p><strong><em>\u041f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u0418\u043d\u0441\u0442\u0438\u0442\u0443\u0442\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u043e\u0432 \u0438 \u044d\u043a\u043e\u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u043d\u043e\u0433\u043e \u0444\u0430\u043a\u0443\u043b\u044c\u0442\u0435\u0442\u0430 TalTech \u0410\u043d\u0434\u0440\u0435\u0441 \u0422\u0440\u0438\u043a\u043a\u0435\u043b\u044c:<\/em><\/strong>&nbsp;<br>\u041a\u0430\u0440\u0431\u043e\u043d\u0430\u0442 \u043a\u0430\u043b\u044c\u0446\u0438\u044f (CaCO<sub>3<\/sub>\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u043c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u043c \u043d\u0430\u0442\u0443\u0440\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044f\u043a\u0430. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043c\u0438\u043d\u0435\u0440\u0430\u043b\u0430 \u043e\u043d \u0438\u0437\u0432\u0435\u0441\u0442\u0435\u043d \u043f\u043e\u0434 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435\u043c \u043a\u0430\u043b\u044c\u0446\u0438\u0442, \u0438 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u043a\u0440\u0438\u0441\u0442\u0430\u043b\u043b\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u043e\u043d \u043c\u043e\u0436\u0435\u0442 \u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u0437\u044b\u0432\u0430\u0442\u044c\u0441\u044f \u0430\u0440\u0430\u0433\u043e\u043d\u0438\u0442\u043e\u043c \u0438\u043b\u0438 \u0444\u0430\u0442\u0435\u0440\u0438\u0442\u043e\u043c. \u041e\u0434\u043d\u0430\u043a\u043e \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u044f \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043c\u0430\u043b\u043e\u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u043c\u0438. \u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 \u043a\u0430\u0440\u0431\u043e\u043d\u0430\u0442\u0430 \u043a\u0430\u043b\u044c\u0446\u0438\u044f \u0432 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044f\u043a\u0435 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043c\u0438\u043d\u0438\u043c\u0443\u043c 50%. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044f\u043a \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u043a\u0430\u0440\u0431\u043e\u043d\u0430\u0442 \u043c\u0430\u0433\u043d\u0438\u044f \u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u0441\u0438. \u041a\u0430\u0440\u0431\u043e\u043d\u0430\u0442\u043d\u0430\u044f \u043f\u043e\u0440\u043e\u0434\u0430 \u0441 \u043d\u0430\u0438\u0431\u043e\u043b\u044c\u0448\u0438\u043c \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435\u043c \u043c\u0430\u0433\u043d\u0438\u044f \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0434\u043e\u043b\u043e\u043c\u0438\u0442\u043e\u0432\u044b\u043c \u043a\u0430\u043c\u043d\u0435\u043c (\u0432 \u0432\u0438\u0434\u0435 \u043c\u0438\u043d\u0435\u0440\u0430\u043b\u0430 \u2013 \u0434\u043e\u043b\u043e\u043c\u0438\u0442\u043e\u043c). \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u043c \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u043c \u0434\u043e\u043b\u043e\u043c\u0438\u0442\u0430 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0434\u0432\u043e\u0439\u043d\u043e\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 CaCO<sub>3<\/sub>\u00d7MgCO<sub>3<\/sub>. Pehme ja poorne lubjakivi vorm on kriit, lubjakivist v\u00f5i dolomiidist on tekkinud ka dekoratiivmaterjal marmor. Eesti dolomiiti on sageli kasutatud viimistlusmaterjalina (fassaadi- ja dekoratiivplaadid, aknalauad, k\u00f6\u00f6gitasapinnad), lubjakivist ehitisi (vanalinna hooned, kalmed, m\u00fc\u00fcrid, kirikud, m\u00f5isad) v\u00f5ib Eestis kohata igal sammul. J\u00e4rsud paekivikaldad p\u00f5hjarannikul on samuti moodustunud peamiselt lubjakivist.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.osaservice.ee\/wp-content\/uploads\/2020\/05\/andres_trikkel.jpg\" alt=\"\" class=\"wp-image-223\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.osaservice.ee\/wp-content\/uploads\/2020\/04\/taltech.png\" alt=\"\" class=\"wp-image-52\"\/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">S\u00fcnteetiline vs looduslik kaltsiumkarbonaat<\/h3>\n\n\n\n<p><strong><em>Andres Trikkel:&nbsp;<\/em><\/strong>Loodusliku ja s\u00fcnteetilise kaltsiumkarbonaadi erinevus peitub lisandite sisalduses. Looduslikus lubjakivis v\u00f5ib esineda kuni 25% lisandeid (savimineraalid, kvarts, raua\u00fchendid, kips, orgaaniline materjal jt.), mis m\u00f5jutavad selle materjali v\u00e4rvust, tugevust ja muid omadusi. Vastavalt nendele omadustele eristatakse ehituslubjakivi ning tehnoloogilist lubjakivi. Esimene, nagu n\u00e4itab nimetus, l\u00e4heb ehituskiviks ja killustikuks, teisest toodetakse tsementi ja lupja. Puhast lubjakivi leidub harva. Tallinna Tehnika\u00fclikooli anorgaaniliste materjalide laboris olevate Eesti leiukohtade proovide hulgast osutus puhtaimaks nn Vasalemma \u201cmarmor\u201d (95,6-97,4% CaCO<sub>3<\/sub>, 0,84-1,46% MgCO<sub>3<\/sub>, muude lisandite sisaldust iseloomustab soolhappes lahustumatu j\u00e4\u00e4k 0,45-0,76%). K\u00f5rge puhtusega lubjakivi peaks sisaldama \u00fcle 97% CaCO<sub>3<\/sub>.&nbsp;<br><br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0414\u043b\u044f \u0447\u0435\u0433\u043e \u0438 \u0433\u0434\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u0440\u0431\u043e\u043d\u0430\u0442 \u043a\u0430\u043b\u044c\u0446\u0438\u044f?&nbsp;<\/h3>\n\n\n\n<p><strong><em>Andres&nbsp;Trikkel:<\/em><\/strong>&nbsp;S\u00fcnteetilises&nbsp;kaltsiumkarbonaadis on&nbsp;lisandite sisaldus&nbsp;piiratud ja viidud miinimumini. S\u00f5ltuvalt kasutusest (paberi, v\u00e4rvide, plastide, toiduainete ning ravimite t\u00f6\u00f6stus, kus lubjakivi on t\u00e4iteaineks, aga ka tsemendi, klaasi ja keraamiliste materjalide t\u00f6\u00f6stus) vajatakse kindlate omadustega kaltsiumkarbonaati. Piiratud on lisandite, nagu raua, magneesiumi, v\u00e4\u00e4vli jt. \u00fchendite sisaldus ning vastavalt kasutusele on seatud piirid ka selle materjali osakeste kujule, suurusele v\u00f5i v\u00e4rvusele. See saavutatakse vastavate&nbsp;keemilis-tehnoloogiliste meetoditega. Eestis pakub erinevaid lubjakivitooteid Nordkalk AS Rakke lubjatehas.<\/p>","protected":false},"excerpt":{"rendered":"<p>P\u00f5levkivituhast toodetavast materjalist omandab suurima osakaalu s\u00fcnteetiline kaltsiumkarbonaat. Parimad n\u00e4ited loodusliku kaltsiumkarbonaadi kasutamisest leiame toidu- ja farmaatsiasektorist. Kuna antud materjal p\u00e4rineb t\u00f6\u00f6tlevast t\u00f6\u00f6stusest, siis k\u00f5ige t\u00f5en\u00e4olisemalt saab Ida-Virumaa p\u00f5levkivituhast toodetud kaltsiumkarbonaati hakata kasutama t\u00e4iteainena v\u00e4rvi-, plasti- ja paberit\u00f6\u00f6stuses.\u00a0<\/p>","protected":false},"author":2,"featured_media":2416,"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":[13],"tags":[],"class_list":["post-2338","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teadusuuringud"],"uagb_featured_image_src":{"full":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-scaled.jpeg",2560,1708,false],"thumbnail":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-150x150.jpeg",150,150,true],"medium":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-300x200.jpeg",300,200,true],"medium_large":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-768x512.jpeg",768,512,true],"large":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-1024x683.jpeg",1024,683,true],"1536x1536":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-1536x1025.jpeg",1536,1025,true],"2048x2048":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-2048x1366.jpeg",2048,1366,true],"trp-custom-language-flag":["https:\/\/osaservice.ee\/wp-content\/uploads\/2023\/07\/AdobeStock_345667121-18x12.jpeg",18,12,true]},"uagb_author_info":{"display_name":"Rainer Pesti","author_link":"https:\/\/osaservice.ee\/ru\/author\/rainer\/"},"uagb_comment_info":0,"uagb_excerpt":"P\u00f5levkivituhast toodetavast materjalist omandab suurima osakaalu s\u00fcnteetiline kaltsiumkarbonaat. Parimad n\u00e4ited loodusliku kaltsiumkarbonaadi kasutamisest leiame toidu- ja farmaatsiasektorist. Kuna antud materjal p\u00e4rineb t\u00f6\u00f6tlevast t\u00f6\u00f6stusest, siis k\u00f5ige t\u00f5en\u00e4olisemalt saab Ida-Virumaa p\u00f5levkivituhast toodetud kaltsiumkarbonaati hakata kasutama t\u00e4iteainena v\u00e4rvi-, plasti- ja paberit\u00f6\u00f6stuses.\u00a0","_links":{"self":[{"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/posts\/2338","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=2338"}],"version-history":[{"count":5,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/posts\/2338\/revisions"}],"predecessor-version":[{"id":2392,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/posts\/2338\/revisions\/2392"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/media\/2416"}],"wp:attachment":[{"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/media?parent=2338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/categories?post=2338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/osaservice.ee\/ru\/wp-json\/wp\/v2\/tags?post=2338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}