{"id":510,"date":"2021-06-25T12:31:20","date_gmt":"2021-06-25T12:31:20","guid":{"rendered":"https:\/\/hydrotech.com.hr\/membranska-filtracija\/"},"modified":"2021-09-22T09:37:42","modified_gmt":"2021-09-22T09:37:42","slug":"membrane-filtrations","status":"publish","type":"page","link":"https:\/\/hydrotech.com.hr\/en\/applications\/membrane-filtrations\/","title":{"rendered":"Membrane filtrations"},"content":{"rendered":"<p>[vc_row content_placement=&#8221;middle&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]<span style=\"font-size: 19px;\">U membranske procese ubrajaju se tehnike:<\/span>[\/vc_column_text]<ul id=\"cz_34339\" class=\"cz_34339 cz_stylish_list clr cz_sl_icon_hover_zoom_in\"><li class=\"clr\"><div class=\"cz_sl_icon\"><i class=\"fa czico-193-checked mr10\" ><\/i><\/div><div><span>ultrafiltracije<\/span><\/div><\/li><li class=\"clr\"><div class=\"cz_sl_icon\"><i class=\"fa czico-193-checked mr10\" ><\/i><\/div><div><span>nanofiltracije<\/span><\/div><\/li><li class=\"clr\"><div class=\"cz_sl_icon\"><i class=\"fa czico-193-checked mr10\" ><\/i><\/div><div><span>reverzne osmoze<\/span><\/div><\/li><\/ul><div class=\"cz_gap clr \" style=\"height: 30px\"><\/div>[vc_column_text]Nanofiltracija i reverzna osmoza u su\u0161tini su isti procesi koji se razlikuju jedino po uvjetima u kojima se odvija proces filtracije (tlakovi) i postotku izdvojenih iona.<\/p>\n<p>Oba se procesa zasnivaju na obrnutom proces prirodne osmoze, a koriste se za desalanizaciju ili uklanjanje soli iz vodenih otopina. Koriste\u0107i pogodne membrane visokog radnog u\u010dinka, danas je mogu\u0107e ukloniti vi\u0161e od 99% svih soli iz vodenih otopina.<\/p>\n<p>Od svih postupaka membranske filtracije, reverzna osmoza\u00a0 ima najvi\u0161i postotak\u00a0 separacije.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;]<div id=\"cz_12721\" class=\"cz_12721 cz_image clr cz_image_no_fx center_on_mobile\"><div class=\"cz_svg_bg\" ><div class=\"cz_image_in\"><div class=\"cz_main_image\"><img width=\"624\" height=\"468\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20width=&#39;624&#39;%20height=&#39;468&#39;%20viewBox%3D&#39;0%200%20624%20468&#39;%2F%3E\" data-czlz data-src=\"https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/ultrafiltracija.jpg\" class=\"attachment-full\" alt=\"ultrafiltracija\" data-srcset=\"https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/ultrafiltracija.jpg 624w, https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/ultrafiltracija-300x225.jpg 300w, https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/ultrafiltracija-600x450.jpg 600w\" data-sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/div><\/div><\/div><\/div><div class=\"cz_gap clr \" style=\"height: 50px\"><\/div>[vc_column_text]<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 13px;\">Slika ultrafiltracije<\/span><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; css=&#8221;.vc_custom_1630745739243{margin-top: 60px !important;padding-top: 90px !important;padding-bottom: 60px !important;background-color: #f4f4f4 !important;}&#8221;][vc_column width=&#8221;1\/2&#8243;]<div id=\"cz_60341\" class=\"cz_60341 cz_image clr cz_image_no_fx center_on_mobile\"><div class=\"cz_svg_bg\" ><div class=\"cz_image_in\"><div class=\"cz_main_image\"><img width=\"624\" height=\"416\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20width=&#39;624&#39;%20height=&#39;416&#39;%20viewBox%3D&#39;0%200%20624%20416&#39;%2F%3E\" data-czlz data-src=\"https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/slika-reverzne-osmoze.jpg\" class=\"attachment-full\" alt=\"Slika reverzne osmoze\" data-srcset=\"https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/slika-reverzne-osmoze.jpg 624w, https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/slika-reverzne-osmoze-300x200.jpg 300w, https:\/\/hydrotech.com.hr\/wp-content\/uploads\/2021\/06\/slika-reverzne-osmoze-600x400.jpg 600w\" data-sizes=\"(max-width: 624px) 100vw, 624px\" \/><\/div><\/div><\/div><\/div><div class=\"cz_gap clr \" style=\"height: 50px\"><\/div>[vc_column_text]<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: 13px;\">Slika reverzne osmoze<\/span><\/p>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text]U procesu reverzne (obrnute) osmoze, pod utjecajem vanjskog tlaka kojeg stvaraju pumpe, vodeni se medij tla\u010di obrnuto djelovanju osmotskog tlaka i prolazi kroz polupropusnu membranu. Membrana predstavlja barijeru koja selektivno propu\u0161ta \u010destice koje se nalaze u vodenom mediju na temelju njihove razlike u veli\u010dini, obliku i kemijskoj strukturi .<\/p>\n<p>Ulazni vodeni medij razdvaja na dva dijela<strong>:<\/strong> permeat ili dio koji je pro\u0161ao kroz membranu i koncentrat ili zasi\u0107eni dio koji ne prolazi membranu. Membrane koje se koriste u ovom postupku moraju biti mehani\u010dki jake, otporne na kemikalije i biolo\u0161ku aktivnost, izdr\u017eljive, pH i temperaturno tolerantne, fleksibilne i ekonomi\u010dne.<\/p>\n<p>Postupak nanofiltracije se naj\u010de\u0161\u0107e koristi u procesnoj prehrambenoj industriji, a reverzna osmoza u desalinaciji bo\u0107ate i morske vode za industrijsku I ku\u0107nu upotrebu, za proizvodnju procesne vode za visokotla\u010dne kotlove, u farmaceutskoj industriji kao i svugdje gdje je potrebno ukloniti sve otopljene tvari.<\/p>\n<p>\u010cesto se koristi i kao dio tehnolo\u0161kog postupka u tercijarnoj obradi vode nakon MBR sustava kada se dobiveni permeat dodatno obra\u0111uje, a voda ponovno distribuira u process (reus).[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row content_placement=&#8221;middle&#8221;][vc_column width=&#8221;1\/2&#8243;][vc_column_text]U membranske procese ubrajaju se tehnike:[\/vc_column_text][vc_column_text]Nanofiltracija i reverzna osmoza &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":601,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"categories":[40,41,39,42,42,42,31,43,32,33,34,35,36,37,38,44],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.2 - 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