{"id":54888,"date":"2025-12-19T09:33:10","date_gmt":"2025-12-19T09:33:10","guid":{"rendered":"https:\/\/matis.is\/?p=54888"},"modified":"2026-01-15T10:21:03","modified_gmt":"2026-01-15T10:21:03","slug":"saltfiskur-unninn-med-salti-sem-fellur-til-vid-vatnshreinsun-hja-vinnslustodinni-i-vestmannaeyjum","status":"publish","type":"post","link":"https:\/\/matis.is\/en\/frettir\/saltfiskur-unninn-med-salti-sem-fellur-til-vid-vatnshreinsun-hja-vinnslustodinni-i-vestmannaeyjum\/","title":{"rendered":"Salted Fish Processed with Salt Derived from Water Treatment at the Processing Plant in Vestmannaeyjar"},"content":{"rendered":"<h4 class=\"wp-block-heading\">Since 1968, when a water pipeline was first connected between the Vestmannaeyjar islands and the mainland, the islanders have relied on access to fresh water through pipelines running along the seabed. The people of Vestmannaeyjar and the business community on the islands were starkly reminded of the vulnerability inherent in depending on such a connection for basic necessities in 2023 when the pipeline was damaged. <\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u00cd framhaldi fj\u00e1rfestu fyrirt\u00e6ki \u00e1 sv\u00e6\u00f0inu \u00ed vatnshreinsib\u00fana\u00f0i sem framleitt getur ferskvatn \u00far sj\u00f3. Vinnslust\u00f6\u00f0in \u00ed Vestmannaeyjum fj\u00e1rfesti me\u00f0al annast \u00ed sl\u00edkum b\u00fana\u00f0i, og \u00ed framhaldi kom upp s\u00fa hugmynd hvort ekki v\u00e6ri h\u00e6gt a\u00f0 n\u00fdta \u00fe\u00e1 hli\u00f0arstrauma sem til ver\u00f0a vi\u00f0 ferskvatnsframlei\u00f0sluna. En vatnshreinsist\u00f6\u00f0in s\u00edar steinefni og \u00f3hreinindi \u00far sj\u00f3num, \u00feannig a\u00f0 eftir ver\u00f0ur hreint vatn. Me\u00f0al \u00feeirra steinefna sem s\u00edast fr\u00e1 er salt, en Vinnslust\u00f6\u00f0in er \u00e1 sama t\u00edma a\u00f0 flytja inn t\u00f6luvert magn af salti til saltfiskframlei\u00f0slu. \u00dea\u00f0 l\u00e1 \u00fev\u00ed beinast vi\u00f0 a\u00f0 kanna m\u00f6guleikann \u00e1 a\u00f0 n\u00fdta saltp\u00e6kil sem fellur til vi\u00f0 ferskvatnsframlei\u00f0sluna fyrir saltfiskvinnslu. Vinnslust\u00f6\u00f0in f\u00e9kk \u00fev\u00ed Mat\u00eds me\u00f0 s\u00e9r \u00ed li\u00f0 til a\u00f0 kanna f\u00fdsileika \u00feess, og fengu auk \u00feess stu\u00f0ning fr\u00e1 L\u00d3U sj\u00f3\u00f0num til a\u00f0 fj\u00e1rmagna hluta af verkefninu. Markmi\u00f0 verkefnisins var a\u00f0 kanna f\u00fdsileika \u00feess a\u00f0 n\u00fdta salt fr\u00e1 ferskvatnsframlei\u00f0slunni til saltfiskframlei\u00f0slu m.t.t. matv\u00e6la\u00f6ryggis, afkasta, kostna\u00f0ar og <a href=\"https:\/\/matis.is\/en\/skyrsla\/hrognkelsakollagen-umhverfisvaen-afurd-sustainable-lumpfish-collagen\/\">sustainability<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.25-1024x640.png\" alt=\"\" class=\"wp-image-56192\" style=\"width:594px;height:auto\" srcset=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.25-1024x640.png 1024w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.25-300x188.png 300w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.25-768x480.png 768w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.25-18x12.png 18w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.25.png 1184w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><strong>VSV Water Treatment Plant<\/strong><\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1184\" height=\"648\" src=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.34.png\" alt=\"\" class=\"wp-image-56193\" style=\"width:595px;height:auto\" srcset=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.34.png 1184w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.34-300x164.png 300w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.34-1024x560.png 1024w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.34-768x420.png 768w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.34-18x10.png 18w\" sizes=\"auto, (max-width: 1184px) 100vw, 1184px\" \/><figcaption class=\"wp-element-caption\"><strong>The project manager, Willum Andersen, tastes fresh water produced from seawater<\/strong><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The project has now been completed and the main findings show that the brine can be used in pre-salting without compromising product quality, colour or pH. Processing trials showed comparable results in terms of salt content in the final product, with no negative effects on yield or utilisation. Overall, the use of this brine could significantly reduce salt imports for salted fish production, which could lead to a substantial reduction in the cost of producing salted fish. Furthermore, a life cycle assessment (LCA) showed that using the brine can significantly reduce the environmental impact of production compared to conventional brine produced from imported salt. It is also an interesting finding from the project that it is cheaper to produce fresh water in this way than to purchase it from the mainland via HS Veitur.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1046\" height=\"1330\" src=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.44.png\" alt=\"\" class=\"wp-image-56194\" style=\"width:525px;height:auto\" srcset=\"https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.44.png 1046w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.44-236x300.png 236w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.44-805x1024.png 805w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.44-768x977.png 768w, https:\/\/matis.is\/wp-content\/uploads\/Screenshot-2026-01-14-at-10.40.44-9x12.png 9w\" sizes=\"auto, (max-width: 1046px) 100vw, 1046px\" \/><figcaption class=\"wp-element-caption\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0139fd\" class=\"has-inline-color\">Pedro Coelho, quality manager for salted fish processing at VSV, with salted fish processed using salt from the water treatment plant<\/mark><\/strong><\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The project has demonstrated that the use of brine generated during water treatment is a technically viable, cost-effective and more sustainable option for salted fish production. Further information on the project can be found in the project's final report, which is available <a href=\"https:\/\/doi.org\/10.5281\/zenodo.17977500\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>here.<\/strong><\/a>, <a href=\"https:\/\/matis.is\/en\/matis_projects\/nyting-hlidarstrauma-vatnshreinsistodvar-til-framleidslu-saltpaekils-fyrir-fiskvinnslu\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>on the project website<\/strong><\/a> or at <a href=\"mailto:willum@vsv.is\" target=\"_blank\" rel=\"noreferrer noopener\">willum@vsv.is<\/a> , <a href=\"mailto:cecilie@matis.is\" target=\"_blank\" rel=\"noreferrer noopener\">cecilie@matis.is<\/a> or <a href=\"mailto:jonas@matis.is\" target=\"_blank\" rel=\"noreferrer noopener\">jonas@matis.is<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Fr\u00e1 1968 \u00feegar vatnslei\u00f0sla var fyrst tengd \u00e1 milli Vestmannaeyja og fastalandsins hafa Eyjab\u00faar reitt sig \u00e1 a\u00f0gengi a\u00f0 ferskvatni [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":56191,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_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":"","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-5)","background-image":"","background-repeat":"repeat","background-position":"center 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