{"id":61640,"date":"2025-02-12T15:04:20","date_gmt":"2025-02-12T13:04:20","guid":{"rendered":"https:\/\/obera.fr\/nase-rada\/captation-filtration-mek\/"},"modified":"2025-06-27T14:21:14","modified_gmt":"2025-06-27T12:21:14","slug":"captation-filtration-mek","status":"publish","type":"post","link":"https:\/\/obera.fr\/ro\/sfatul-nostru\/captation-filtration-mek\/","title":{"rendered":"Captarea \u0219i filtrarea MEK: o solu\u021bie pentru mediile industriale"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Ce este MEK?<\/h2>\n\n<p><strong>Metiletilcetona (MEK)<\/strong>, sau <strong>butanona<\/strong>, este un solvent organic utilizat pe scar\u0103 larg\u0103 \u00een industrie. Acesta apar\u021bine familiei cetonelor \u0219i se caracterizeaz\u0103 prin volatilitate \u0219i putere mare de dizolvare. Incolor \u0219i cu un miros caracteristic, se evapor\u0103 rapid, ceea ce \u00eel face u\u0219or de aplicat, dar ridic\u0103 probleme \u00een ceea ce prive\u0219te siguran\u021ba \u0219i gestionarea emisiilor.  <\/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\">Pentru ce este utilizat?<\/h2>\n\n<p>MEK este utilizat \u00een principal ca <strong>solvent<\/strong> \u00een multe formul\u0103ri industriale, \u00een special pentru :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Vopsele \u0219i acoperiri<\/strong> (uscare mai rapid\u0103).<\/li>\n\n\n\n<li><strong>Adezivi \u0219i cleiuri<\/strong> (v\u00e2scozitate \u0219i putere de lipire \u00eembun\u0103t\u0103\u021bite).<\/li>\n\n\n\n<li><strong>Industria chimic\u0103<\/strong> pentru sinteza de r\u0103\u0219ini, polimeri \u0219i al\u021bi compu\u0219i.<\/li>\n\n\n\n<li><strong>Cur\u0103\u021barea suprafe\u021belor<\/strong> \u00een sectoarele aerospa\u021bial \u0219i auto.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Ce industrii utilizeaz\u0103 MEK?<\/h2>\n\n<p>MEK este utilizat \u00eentr-o serie de sectoare industriale:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Industria auto<\/strong> (fabricarea vopselelor \u0219i lacurilor).<\/li>\n\n\n\n<li><strong>Industria aerospa\u021bial\u0103<\/strong> (cur\u0103\u021bare \u0219i degresare).<\/li>\n\n\n\n<li><strong>Industria maselor plastice \u0219i a cauciucului<\/strong> (produc\u021bia de polimeri).<\/li>\n\n\n\n<li><strong>Industria farmaceutic\u0103<\/strong> (sintez\u0103 chimic\u0103).<\/li>\n\n\n\n<li><strong>Imprimare<\/strong> (formularea cernelii).<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Ce poluan\u021bi con\u021bine MEK?<\/h2>\n\n<p>MEK este o substan\u021b\u0103 <strong>volatil\u0103<\/strong> care poate con\u021bine impurit\u0103\u021bi sau genera subproduse periculoase atunci c\u00e2nd se evapor\u0103, cum ar fi :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/obera.fr\/ro\/produits\/traitement-cov\/\">Compu\u0219i organici volatili (COV) <\/a>care pot avea un impact asupra s\u0103n\u0103t\u0103\u021bii \u0219i a mediului.<\/li>\n\n\n\n<li><strong>Particule fine<\/strong> dac\u0103 solventul este pulverizat.<\/li>\n\n\n\n<li><strong>Vapori inflamabili<\/strong> cu risc de explozie dac\u0103 exist\u0103 o concentra\u021bie excesiv\u0103 \u00een aer.<\/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\">Care sunt valorile limit\u0103 de expunere profesional\u0103 (OELV)?<\/h2>\n\n<p>Reglement\u0103rile impun limite stricte pentru a proteja lucr\u0103torii expu\u0219i la MEK. \u00cen conformitate cu recomand\u0103rile, limitele de expunere profesional\u0103 pe 8 <strong>ore (OEL<\/strong> ) : <\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Substan\u021b\u0103<\/strong><\/td><td><strong>\u021aara<\/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>Butanon\u0103<\/strong><\/td><td>Fran\u021ba (VLEP obligatoriu &#8211; 2007)<\/td><td>200<\/td><td>600<\/td><td>300<\/td><td>900<\/td><\/tr><tr><td>Uniunea European\u0103 (2000)<\/td><td>200<\/td><td>600<\/td><td>300<\/td><td>900<\/td><\/tr><tr><td>Statele Unite ale Americii (ACGIH &#8211; 2001)<\/td><td>200<\/td><td>590<\/td><td>300<\/td><td>885<\/td><\/tr><tr><td>Germania (valori MAK)<\/td><td>200<\/td><td>600<\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">MEK: un produs inflamabil \u0219i exploziv<\/h2>\n\n<p>MEK este clasificat drept <strong>inflamabil<\/strong> \u0219i <strong>poten\u021bial exploziv<\/strong>. Punctul s\u0103u de aprindere sc\u0103zut (aproximativ -9\u00b0C) \u00eel face un produs periculos \u00een mediile industriale. Gestionarea necorespunz\u0103toare a emisiilor sale \u00een aer poate duce la riscul de incendiu sau explozie, \u00een special \u00een prezen\u021ba unei surse de aprindere.  <\/p>\n\n<h2 class=\"wp-block-heading\">Cum poate fi tratat\u0103?<\/h2>\n\n<h3 class=\"wp-block-heading\">???? Captarea sursei la sta\u021biile de lucru &#8211; ePURBOX ATEX<\/h3>\n\n<p><br\/>Pentru a preveni dispersia vaporilor de MEK, <strong>captarea sursei<\/strong> este cea mai eficient\u0103 solu\u021bie. ePURBOX ATEX este special conceput pentru medii \u00een care sursa de emisie este bine identificat\u0103. Acest echipament permite :  <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Extrac\u021bia localizat\u0103 a<\/strong> vaporilor \u00eenainte de dispersarea lor \u00een atelier.<\/li>\n\n\n\n<li><strong>Filtrare adaptat\u0103 la mediile ATEX<\/strong>, reduc\u00e2nd riscul de explozie.<\/li>\n\n\n\n<li><strong>Respectarea standardelor de siguran\u021b\u0103 \u00een vigoare<\/strong>.<\/li>\n<\/ul>\n\n<h3 class=\"wp-block-heading\">???? Tratarea mediului &#8211; ePUR50 cu c\u0103rbune activ<\/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\/>Atunci c\u00e2nd emisiile de MEK nu pot fi complet captate la surs\u0103, devine necesar\u0103 tratarea mediului ambiant. Purificatorul <a href=\"https:\/\/obera.fr\/ro\/produits\/purificateurs-air\/industriel-epur\/\">ePUR50 cu c\u0103rbune activ<\/a> face posibil\u0103 : <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Capteaz\u0103 \u0219i neutralizeaz\u0103<\/strong> vaporii MEK din aerul \u00eenconjur\u0103tor.<\/li>\n\n\n\n<li><strong>Reduce\u021bi concentra\u021biile de COV<\/strong> pentru a men\u021bine un mediu s\u0103n\u0103tos.<\/li>\n\n\n\n<li><strong>Limita\u021bi riscul de acumulare a vaporilor inflamabili<\/strong> \u00een atelier.<\/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=\"amestec de c&#x103;rbune activ\" 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\">Concluzie<\/h2>\n\n<p><strong>MEK<\/strong> este un solvent utilizat pe scar\u0103 larg\u0103, dar prezint\u0103 riscuri pentru s\u0103n\u0103tate \u0219i siguran\u021b\u0103 \u00een mediile industriale. Pentru a garanta protec\u021bia eficient\u0103 a lucr\u0103torilor \u0219i a instala\u021biilor, este esen\u021bial s\u0103 se pun\u0103 \u00een aplicare solu\u021bii adecvate, cum ar fi<strong>ePURBOX ATEX<\/strong> (captarea la surs\u0103) \u0219i<strong>ePUR50 cu c\u0103rbune activ<\/strong> (tratarea mediului ambiant). <\/p>\n\n<p>\u27a1\ufe0f <strong>Proteja\u021bi-v\u0103 mediile industriale cu solu\u021bii de filtrare de \u00eenalt\u0103 performan\u021b\u0103 care respect\u0103 reglement\u0103rile \u00een vigoare!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metiletilcetona (MEK), sau butanona, este un solvent organic utilizat pe scar\u0103 larg\u0103 \u00een industrie. Face parte din familia cetonelor \u0219i se caracterizeaz\u0103 prin volatilitate \u0219i putere mare de dizolvare.<\/p>\n","protected":false},"author":13,"featured_media":80753,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Captarea \u0219i filtrarea MEK: o solu\u021bie pentru mediile industriale","_seopress_titles_desc":"Metiletilcetona (MEK), sau butanona, este un solvent organic utilizat pe scar\u0103 larg\u0103 \u00een industrie. Face parte din familia cetonelor \u0219i se caracterizeaz\u0103 prin volatilitatea sa.","_seopress_robots_index":"","footnotes":""},"categories":[144],"tags":[145],"class_list":["post-61640","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sfatul-nostru","tag-entete-mic","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\/ro\/wp-json\/wp\/v2\/posts\/61640","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/comments?post=61640"}],"version-history":[{"count":5,"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/posts\/61640\/revisions"}],"predecessor-version":[{"id":116447,"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/posts\/61640\/revisions\/116447"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/media\/80753"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/media?parent=61640"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/categories?post=61640"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/ro\/wp-json\/wp\/v2\/tags?post=61640"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}