{"id":30604,"date":"2020-12-23T10:30:42","date_gmt":"2020-12-23T08:30:42","guid":{"rendered":"https:\/\/azura.ro\/?p=30604"},"modified":"2025-10-07T11:34:02","modified_gmt":"2025-10-07T08:34:02","slug":"principiul-de-functionare-a-rasinilor-ionice","status":"publish","type":"post","link":"https:\/\/azura.ro\/en\/tehnici-de-tratare\/principiul-de-functionare-a-rasinilor-ionice\/","title":{"rendered":"Working principle of ionic resins"},"content":{"rendered":"<h2><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Rasina schimbatoare de ioni este un compus polimeric cu structura functionala de tip &#8222;plasa&#8221; care este compusa pe un schelet insolubil tridimensional.<\/span><\/h2>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Rasinile schimbatoare de ioni pot fi impartite in rasini cationice, rasini anionice si rasini amofotere.<\/span><\/p>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Rasinile schimbatoare de ioni sunt insolubile atat in apa cat si in majoritatea solventilor. Majoritatea au o forma granulara iar unele au o forma fibroasa sau chiar de tip pulbere.<\/span><\/p>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Dimensiunea particulelor de rasina este in general cuprinsa intre 0,3 &#8211; 1,2 mm, cele mai multe avand intre 0,4 &#8211; 0,6 mm.<\/span><\/p>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Au o rezistenta mecanica ridicata si sunt chimic stabile cu o durata lunga de viata in conditii normale.<\/span><\/p>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Conform grupurilor chimice active, mai intai sunt impartite in rasina cationica si rasina anionica.<\/span><\/p>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Rasinile cationice sunt impartine in doua categiorii: rasini puternic acide si slab acide.<\/span><\/p>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Cea mai cunscuta aplicatie pentu rasina cationica este dedurizarea apei.<\/span><\/p>\n<p><span style=\"font-family: tahoma, arial, helvetica, sans-serif; font-size: 110%;\">Cea mai cunoscuta aplicatie pentru rasina anionica este denitrarea apei (eliminarea nitratilor in apa prin schimb ionic).<\/span><\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"sD4e1d7Noe\"><p><a href=\"https:\/\/azura.ro\/en\/product-2\/rasina-dedurizare-1-l-pure-pc002\/\">RASINA DEDURIZARE 1 L PURE PC002<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;RASINA DEDURIZARE 1 L PURE PC002&#8221; &#8211; azura.ro\" src=\"https:\/\/azura.ro\/produs\/rasina-dedurizare-1-l-pure-pc002\/embed\/#?secret=z7fUAASJtN#?secret=sD4e1d7Noe\" data-secret=\"sD4e1d7Noe\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"lSum2NKT8x\"><p><a href=\"https:\/\/azura.ro\/en\/product-2\/rasina-anionica-filtrare-nitrati\/\">RASINA ANIONICA FILTRARE NITRATI<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8222;RASINA ANIONICA FILTRARE NITRATI&#8221; &#8211; azura.ro\" src=\"https:\/\/azura.ro\/produs\/rasina-anionica-filtrare-nitrati\/embed\/#?secret=UYrqv6H3yW#?secret=lSum2NKT8x\" data-secret=\"lSum2NKT8x\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Rasina schimbatoare de ioni este un compus polimeric cu structura functionala de tip &#8222;plasa&#8221; care este compusa pe un schelet insolubil tridimensional. Rasinile schimbatoare de ioni pot fi impartite in rasini cationice, rasini anionice si rasini amofotere. Rasinile schimbatoare de ioni sunt insolubile atat in apa cat si in majoritatea solventilor. Majoritatea au o forma [&#8230;]\n","protected":false},"author":3,"featured_media":30615,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[714],"tags":[1495,1494],"class_list":["post-30604","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tehnici-de-tratare","tag-rasina-cationica","tag-rasini-ionice"],"_links":{"self":[{"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/posts\/30604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/comments?post=30604"}],"version-history":[{"count":10,"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/posts\/30604\/revisions"}],"predecessor-version":[{"id":98603,"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/posts\/30604\/revisions\/98603"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/media\/30615"}],"wp:attachment":[{"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/media?parent=30604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/categories?post=30604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/azura.ro\/en\/wp-json\/wp\/v2\/tags?post=30604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}