{"id":247,"date":"2023-06-26T11:10:18","date_gmt":"2023-06-26T11:10:18","guid":{"rendered":"https:\/\/cbr.grad.hr\/?page_id=247"},"modified":"2023-07-13T08:27:39","modified_gmt":"2023-07-13T08:27:39","slug":"ironworks-in-notodden","status":"publish","type":"page","link":"https:\/\/cbr.grad.hr\/hr\/ironworks-in-notodden\/","title":{"rendered":"\u017deljezara u Notoddenu"},"content":{"rendered":"<h4 class=\"wp-block-heading has-futura-bold-font-family\">Lokacija<\/h4>\n\n\n\n<p><p style=\"text-align: justify;\">90 kilometara isto\u010dno od Osla, nalazi se grad Notodden s pribli\u017eno 12 000 stanovnika uz jezero Heddalsvatnet. Krajnji jugoistok Notoddena naziva Jernverkstomta i prostor je biv\u0161e \u017eeljezare, a \u010dini povr\u0161inu od 50 000 m2 neposredno uz rijeku Tinnelvu koja se priljeva u Heddalsvatnet. Danas se koristi kao privremeno skladi\u0161te za gra\u0111evinski otpad i parkirali\u0161te (izuzev par zgrada na rubovima), a cijelo podru\u010dje tek treba revitalizirati \u2013 ukloniti otpad, nivelirati i privesti svrsi. <\/p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-1024x724.jpg\" alt=\"\" class=\"wp-image-298\" srcset=\"https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-1024x724.jpg 1024w, https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-300x212.jpg 300w, https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-768x543.jpg 768w, https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-1536x1086.jpg 1536w, https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-2048x1448.jpg 2048w, https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-18x12.jpg 18w, https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Notodden-2-scaled.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading has-futura-bold-font-family\">Povijest<\/h4>\n\n\n\n<p><p style=\"text-align: justify;\">Na podru\u010dju dana\u0161njeg Jernverkstomta povijesne karte iz 1904. i 1910. ukazuju da je veliki ju\u017enio dio Jernverkstomta bio potopljen. Tako\u0111er se vidi i oto\u010di\u0107 odmah uz rijeku Tinnelvu, a \u010diji je kanal koji je tvorio oto\u010di\u0107 zatrpan. Podru\u010dje je iskori\u0161teno po\u010detkom 20. stolje\u0107a za izgradnju \u017eeljezare u vlasni\u0161tvu Tinfos Jernverk AS, a proizvodila je sirovo \u017eeljezo do 1927. godine. Nakon toga je preorijentirana na proizvodnju ferolegura (ferosilicij i ferogrom) te legura silicijeva mangana. 1963. ugra\u0111uju se ure\u0111aji za plinsko pranje pe\u0107i, a 1974. uvodi se i pro\u010di\u0161\u0107avanje otpadnih voda. Tinfos Jernverk AS posjedovao je i tvornicu kalcijeva karbida (Notodden Calsiumkarbidfabrikk) koja se nalazila isto\u010dno od Jernverkstomta, a radila je od 1900. do 1952. \u017deljezara je zatvorena 1986. godine, a za njom su zaostali nusprodukti prozivodnje \u017eeljeza, ferolegura i karbida.<\/p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"491\" height=\"389\" src=\"https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Zeljezara.png\" alt=\"\" class=\"wp-image-239\" srcset=\"https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Zeljezara.png 491w, https:\/\/cbr.grad.hr\/wp-content\/uploads\/2023\/06\/Zeljezara-300x238.png 300w\" sizes=\"(max-width: 491px) 100vw, 491px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\"><em>Tinfos Jernverk AS Notodden &#8211; Source: municipality of Notodden<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-futura-bold-font-family\">Problem<\/h4>\n\n\n\n<p><p style=\"text-align: justify;\">U Jernverkstomtu, na lokaciji biv\u0161e \u017eeljezare, napravljena su mjerenja zaga\u0111enja u vi\u0161e navrata. Utvr\u0111eno je da postoji zna\u010dajno zaga\u0111enje od odlo\u017eenog karbida i cijanida, od otpadnih ruda (troska) primarno kroma i cinka, kadmija, arsena, nikla itd., PAH spojeva, ali i u manjoj mjeri od gra\u0111evinskog materijala koji je nastao nakon zatvaranja \u017eeljezare. U sloju ispod nasutog, koji je postavljen izgradnjom i radom \u017eeljezare, nalazi se \u0161ljunak i grubi pijesak, a u kojima je tako\u0111er utvr\u0111ena prisutnost raznih zaga\u0111iva\u010da \u2013 to upu\u0107uje i na  mogu\u0107nost \u0161irenje zaga\u0111enja na okolno jezero.<\/p><\/p>","protected":false},"excerpt":{"rendered":"<p>Location 90 kilometers east from Oslo is the location of Notodden with a approximate population of 12 000 near the lake of Heddalsvatnet. The southeastern part of Notodden called Jernverkstomt was home to ironworks on an area of 50 000 m2 next to the river Tinnelva. Today the area is used as a temporary storage [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-247","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/pages\/247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/comments?post=247"}],"version-history":[{"count":7,"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/pages\/247\/revisions"}],"predecessor-version":[{"id":388,"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/pages\/247\/revisions\/388"}],"wp:attachment":[{"href":"https:\/\/cbr.grad.hr\/hr\/wp-json\/wp\/v2\/media?parent=247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}