{"id":61670,"date":"2025-02-12T15:04:20","date_gmt":"2025-02-12T13:04:20","guid":{"rendered":"https:\/\/obera.fr\/conseils\/captation-filtration-mek\/"},"modified":"2025-08-29T09:57:00","modified_gmt":"2025-08-29T07:57:00","slug":"captation-filtration-mek","status":"publish","type":"post","link":"https:\/\/obera.fr\/et\/meie-nouanne\/captation-filtration-mek\/","title":{"rendered":"MEKi p\u00fc\u00fcdmine ja filtreerimine: lahendus t\u00f6\u00f6stuskeskkondade jaoks"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Mis on MEK?<\/h2>\n\n<p><strong>Met\u00fc\u00fclet\u00fc\u00fclketoon (MEK)<\/strong> ehk <strong>butanoon<\/strong> on t\u00f6\u00f6stuses laialdaselt kasutatav orgaaniline lahusti. See kuulub ketoonide perekonda ja seda iseloomustab lenduvus ja suur lahustumisv\u00f5ime. V\u00e4rvitu ja iseloomuliku l\u00f5hnaga aine aurustub kiiresti, mist\u00f5ttu on seda lihtne kasutada, kuid see tekitab probleeme ohutuse ja heitkoguste juhtimise osas.<\/p>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image.jpeg\" alt=\"image\" class=\"wp-image-61186\" style=\"width:296px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image.jpeg 700w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-300x300.jpeg 300w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-150x150.jpeg 150w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-400x400.jpeg 400w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-600x600.jpeg 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Milleks seda kasutatakse?<\/h2>\n\n<p>MEKi kasutatakse peamiselt <strong>lahustina<\/strong> paljudes t\u00f6\u00f6stuslikes preparaatides, eelk\u00f5ige :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u00e4rvid ja pinnakatted<\/strong> (kiirem kuivamine).<\/li>\n\n\n\n<li><strong>Liimid ja liimid<\/strong> (parandatud viskoossus ja liimimisv\u00f5ime).<\/li>\n\n\n\n<li><strong>Keemiat\u00f6\u00f6stus<\/strong> vaigude, pol\u00fcmeeride ja muude \u00fchendite s\u00fcnteesiks.<\/li>\n\n\n\n<li><strong>Pindade puhastamine<\/strong> lennundus- ja autot\u00f6\u00f6stuses.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Millised t\u00f6\u00f6stusharud kasutavad MEKi?<\/h2>\n\n<p>MEKi kasutatakse mitmes t\u00f6\u00f6stussektoris:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Autot\u00f6\u00f6stus<\/strong> (v\u00e4rvide ja lakkide tootmine).<\/li>\n\n\n\n<li><strong>Lennundust\u00f6\u00f6stus<\/strong> (puhastamine ja rasva\u00e4rastus).<\/li>\n\n\n\n<li><strong>Plasti- ja kummit\u00f6\u00f6stus<\/strong> (pol\u00fcmeeride tootmine).<\/li>\n\n\n\n<li><strong>Farmaatsiat\u00f6\u00f6stus<\/strong> (keemiline s\u00fcntees).<\/li>\n\n\n\n<li><strong>Tr\u00fckkimine<\/strong> (tindi koostis).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Milliseid saasteaineid sisaldab MEK?<\/h2>\n\n<p>MEK on <strong>lenduv<\/strong> aine, mis v\u00f5ib sisaldada lisandeid v\u00f5i tekitada aurustumisel ohtlikke k\u00f5rvalsaadusi, n\u00e4iteks :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/obera.fr\/et\/produits\/traitement-cov\/\">Lenduvad orgaanilised \u00fchendid (LO\u00dc <\/a>), mis v\u00f5ivad m\u00f5jutada tervist ja keskkonda.<\/li>\n\n\n\n<li><strong>Peened osakesed<\/strong>, kui lahustit pihustatakse.<\/li>\n\n\n\n<li><strong>S\u00fcttivad aurud<\/strong>, mille liigse kontsentratsiooni korral \u00f5hus esineb plahvatusoht.<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"969\" height=\"646\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1.jpeg\" alt=\"image\" class=\"wp-image-61210\" style=\"width:480px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1.jpeg 969w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1-300x200.jpeg 300w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/02\/image-1-768x512.jpeg 768w\" sizes=\"(max-width: 969px) 100vw, 969px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Millised on t\u00f6\u00f6keskkonna piirnormid (OELV)?<\/h2>\n\n<p>MEKiga kokkupuutuvate t\u00f6\u00f6tajate kaitsmiseks on eeskirjadega kehtestatud ranged piirangud. Vastavalt soovitustele on <strong>8-tunnised OEL<\/strong> (t\u00f6\u00f6ga kokkupuute piirnormid \u00fcle 8 tunni) : <\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Aine<\/strong><\/td><td><strong>Riik<\/strong><\/td><td><strong>VLEP 8h (ppm)<\/strong><\/td><td><strong>VLEP 8h (mg\/m3)<\/strong><\/td><td><strong>VLEP CT (ppm)<\/strong><\/td><td><strong>VLEP CT (mg\/m3)<\/strong><\/td><\/tr><tr><td rowspan=\"4\"><strong>Butanoon<\/strong><\/td><td>Prantsusmaa (siduv VLEP &#8211; 2007)<\/td><td>200<\/td><td>600<\/td><td>300<\/td><td>900<\/td><\/tr><tr><td>Euroopa Liit (2000)<\/td><td>200<\/td><td>600<\/td><td>300<\/td><td>900<\/td><\/tr><tr><td>Ameerika \u00dchendriigid (ACGIH &#8211; 2001)<\/td><td>200<\/td><td>590<\/td><td>300<\/td><td>885<\/td><\/tr><tr><td>Saksamaa (MAK-v\u00e4\u00e4rtused)<\/td><td>200<\/td><td>600<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">MEK: tuleohtlik ja plahvatusohtlik toode<\/h2>\n\n<p>MEK on klassifitseeritud <strong>tuleohtlikuks<\/strong> ja <strong>plahvatusohtlikuks<\/strong>. Madal leekpunkt (umbes -9 \u00b0C) muudab selle ohtlikuks tooteks t\u00f6\u00f6stuskeskkonnas. Ebapiisav juhtimine selle \u00f5hku paiskamisel v\u00f5ib p\u00f5hjustada tulekahju- v\u00f5i plahvatusohtu, eriti s\u00fc\u00fcteallikate olemasolu korral.  <\/p>\n\n<h2 class=\"wp-block-heading\">Kuidas saab seda ravida?<\/h2>\n\n<h3 class=\"wp-block-heading\">???? Allikate salvestamine t\u00f6\u00f6kohal &#8211; ePURBOX ATEX<\/h3>\n\n<p><br\/>MEKi aurude hajumise v\u00e4ltimiseks on k\u00f5ige t\u00f5husam lahendus <strong>allikate p\u00fc\u00fcdmine<\/strong>. ePURBOX ATEX on spetsiaalselt kavandatud keskkondadesse, kus heiteallikas on h\u00e4sti tuvastatud. See seade v\u00f5imaldab :  <\/p>\n\n<ul class=\"wp-block-list\">\n<li>Aurude <strong>lokaalne v\u00e4ljat\u00f5mbamine<\/strong> enne nende hajutamist t\u00f6\u00f6kojas.<\/li>\n\n\n\n<li><strong>ATEX-keskkonnale kohandatud filtreerimine<\/strong>, mis v\u00e4hendab plahvatusohtu.<\/li>\n\n\n\n<li><strong>Vastavus kehtivatele ohutusstandarditele<\/strong>.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">???? Keskkonnat\u00f6\u00f6tlus &#8211; ePUR50 koos aktiivs\u00f6ega<\/h3>\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<p><br\/>Kui MEKi heitkoguseid ei ole v\u00f5imalik t\u00e4ielikult koguda tekkekohas, on vajalik keskkonnat\u00f6\u00f6tlus. <a href=\"https:\/\/obera.fr\/et\/produits\/purificateurs-air\/industriel-epur\/\">Aktiivs\u00f6ega puhastusseade ePUR50<\/a> v\u00f5imaldab : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MEK-aurude <strong>p\u00fc\u00fcdmine ja neutraliseerimine<\/strong> v\u00e4lis\u00f5hus.<\/li>\n\n\n\n<li><strong>V\u00e4hendage LO\u00dc-de kontsentratsiooni<\/strong>, et s\u00e4ilitada tervislik keskkond.<\/li>\n\n\n\n<li><strong>Piirake tuleohtlike aurude kogunemise ohtu<\/strong> t\u00f6\u00f6kojas.<\/li>\n<\/ul>\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 aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"549\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-1024x549.jpg\" alt=\"aktiivs&#xF6;e segu\" class=\"wp-image-76515\" style=\"width:330px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-1024x549.jpg 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-300x161.jpg 300w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix-768x412.jpg 768w, https:\/\/obera.fr\/wp-content\/uploads\/2025\/03\/charbon-actif-mix.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Kokkuv\u00f5te<\/h2>\n\n<p><strong>MEK<\/strong> on laialdaselt kasutatav lahusti, kuid kujutab endast t\u00f6\u00f6stuskeskkonnas ohtu tervisele ja ohutusele. T\u00f6\u00f6tajate ja rajatiste t\u00f5husa kaitse tagamiseks on oluline rakendada asjakohaseid lahendusi, nagu<strong>ePURBOX ATEX<\/strong> (allikasalvestus) ja<strong>ePUR50 koos aktiivs\u00f6ega<\/strong> (keskkonnat\u00f6\u00f6tlus). <\/p>\n\n<p>\u27a1\ufe0f <strong>Kaitske oma t\u00f6\u00f6stuskeskkonda k\u00f5rgtehnoloogiliste filtreerimislahendustega, mis vastavad kehtivatele eeskirjadele!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Met\u00fc\u00fclet\u00fc\u00fclketoon (MEK) ehk butanoon on t\u00f6\u00f6stuses laialdaselt kasutatav orgaaniline lahusti. See kuulub ketoonide perekonda ja seda iseloomustab lenduvus ja suur lahustumisv\u00f5ime.<\/p>\n","protected":false},"author":13,"featured_media":80743,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"MEKi p\u00fc\u00fcdmine ja filtreerimine t\u00f6\u00f6stuskeskkondades","_seopress_titles_desc":"Met\u00fc\u00fclet\u00fc\u00fclketoon (MEK) ehk butanoon on t\u00f6\u00f6stuses laialdaselt kasutatav orgaaniline lahusti. See kuulub ketoonide perekonda ja seda iseloomustab selle lenduvus.","_seopress_robots_index":"","footnotes":""},"categories":[296],"tags":[304],"class_list":["post-61670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-meie-nouanne","tag-entete-vaike","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding","resize-featured-image"],"acf":[],"_links":{"self":[{"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/posts\/61670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/comments?post=61670"}],"version-history":[{"count":7,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/posts\/61670\/revisions"}],"predecessor-version":[{"id":127808,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/posts\/61670\/revisions\/127808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/media\/80743"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/media?parent=61670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/categories?post=61670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/et\/wp-json\/wp\/v2\/tags?post=61670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}