{"id":1672,"date":"2017-09-01T14:42:17","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"https:\/\/nis.gl\/?post_type=projekt&p=1672"},"modified":"2021-02-24T14:16:39","modified_gmt":"2021-02-24T14:16:39","slug":"undersoegelse-af-lavteknologiske-metoder-til-begraensning-af-udvaskning-af-tungmetaller-fra-graabjerg-fortsaettelse","status":"publish","type":"projekt","link":"https:\/\/nis.gl\/da\/projekt\/undersoegelse-af-lavteknologiske-metoder-til-begraensning-af-udvaskning-af-tungmetaller-fra-graabjerg-fortsaettelse\/","title":{"rendered":"Unders\u00f8gelse af lavteknologiske metoder til begr\u00e6nsning af udvaskning af tungmetaller fra gr\u00e5bjerg \u2013 forts\u00e6ttelse."},"content":{"rendered":"

Projektleder:
\n<\/strong>Morten Birch Larsen<\/p>\n

Fakultet \/ Forskningsinstitution:
\n<\/strong>Naturvidenskab \u2013 Gr\u00f8nlands Naturinstitut<\/p>\n

Titel:
\n<\/strong>Unders\u00f8gelse af lavteknologiske metoder til begr\u00e6nsning af udvaskning af tungmetaller fra gr\u00e5bjerg \u2013 forts\u00e6ttelse.<\/p>\n

Beskrivelse:
\n<\/strong>Med udgangspunkt i en bevilling fra Gr\u00f8nlands Forskningsr\u00e5d, p\u00e5begyndte jeg i 2016 projektet Unders\u00f8gelse af lavteknologiske metoder til begr\u00e6nsning af udvaskning af tungmetaller fra gr\u00e5bjerg<\/em>. Form\u00e5let med projektet er, at teste to lavteknologiske metoder til at minimere udsivning af tungmetaller fra gr\u00e5bjergdeponier, i forbindelse med minedrift.<\/p>\n

I den f\u00f8rste metode, blandes nedknust beton med gr\u00e5bjerg. Da beton er meget basisk, vil pH v\u00e6rdien stige, og det forventes at medf\u00f8re en mindre udvaskning af tungmetaller.<\/p>\n

I den anden test, blandes rejeskaller med gr\u00e5bjerg. Tungmetallet binder sig gerne til organisk materiale (rejeskaller), og det forventes at udsivning af tungmetaller formindskes ved iblanding af rejeskaller.<\/p>\n

De f\u00f8rste resultater fra disse fors\u00f8g foreligger nu og viser, i fors\u00f8gene med rejeskaller, er udvaskningen af bly mere end en faktor 100 lavere; end i de fors\u00f8g, hvor der kun benyttes gr\u00e5bjerg, og de fors\u00f8g, hvor der benyttes gr\u00e5bjerg og beton.<\/p>\n","protected":false},"excerpt":{"rendered":"

Projektleder: Morten Birch Larsen Fakultet \/ Forskningsinstitution: Naturvidenskab \u2013 Gr\u00f8nlands Naturinstitut Titel: Unders\u00f8gelse af lavteknologiske metoder til begr\u00e6nsning af udvaskning af tungmetaller fra gr\u00e5bjerg \u2013 forts\u00e6ttelse. Beskrivelse: Med udgangspunkt i en bevilling fra Gr\u00f8nlands Forskningsr\u00e5d, p\u00e5begyndte jeg i 2016 projektet Unders\u00f8gelse af lavteknologiske metoder til begr\u00e6nsning af udvaskning af tungmetaller fra gr\u00e5bjerg. Form\u00e5let med projektet […]<\/p>\n","protected":false},"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","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":"default","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":"","background-image":"","background-repeat":"repeat","background-position":"center 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