{"id":24729,"date":"2024-03-07T09:53:43","date_gmt":"2024-03-07T08:53:43","guid":{"rendered":"https:\/\/agora.xtec.cat\/iesagustiserra\/?p=24729"},"modified":"2024-03-07T19:39:06","modified_gmt":"2024-03-07T18:39:06","slug":"taller-de-reciclatge-doli-de-cuina-usat-en-sabo-per-a-la-roba","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/iesagustiserra\/batxillerat\/taller-de-reciclatge-doli-de-cuina-usat-en-sabo-per-a-la-roba\/","title":{"rendered":"Taller de reciclatge d\u2019oli de cuina usat en sab\u00f3 per a la roba"},"content":{"rendered":"<p style=\"text-align: justify;\">El 14 de desembre els alumnes de <strong>1r de Batxillerat<\/strong> van assistir a una activitat \u201c<strong>taller de reciclatge d\u2019oli de cuina usat en sab\u00f3 per a la roba<\/strong>\u201d. L\u2019objectiu fou con\u00e8ixer com reutilitzar l\u2019oli d\u2019\u00fas dom\u00e8stic i com t\u00e9 lloc la reacci\u00f3 qu\u00edmica que permet formar el sab\u00f3.<\/p>\n<p style=\"text-align: justify;\">Inicialment, les talleristes van fer una xerrada, on van explicar els ingredients necessaris que necessitaven (oli, hidr\u00f2xid de sodi, aigua) i per qu\u00e8 reaccionaven per a constituir el sab\u00f3. L\u2019oli cont\u00e9 \u00e0cids grassos que en reaccionar amb una base forta (hidr\u00f2xid de sodi) s\u2019hidrolitzen i formen una sal s\u00f2dica (sab\u00f3) i glicerina.<\/p>\n<p style=\"text-align: justify;\">Per a dur a terme el procediment, els alumnes es van posar unes ulleres, guants i una bata.<\/p>\n<p style=\"text-align: justify;\">El primer pas va consistir a abocar a un cub una ampolla de 50 ml d\u2019aigua amb hidr\u00f2xid de sodi. A mesura que anaven remenant, la dissoluci\u00f3 s\u2019anava escalfant i no van afegir l&#8217;oli fins que la temperatura va assolir uns 50-60\u202f\u00b0C.<\/p>\n<p style=\"text-align: justify;\">Un cop que va baixar la temperatura, van afegir l&#8217;oli, que van passar pr\u00e8viament per un colador, ja que al ser reutilitzat podia contenir restes de menjar. Havien de remenar suaument fins que la dissoluci\u00f3 obtingu\u00e9s una textura cremosa i sempre en la mateixa direcci\u00f3.<\/p>\n<p style=\"text-align: justify;\">L\u2019oli que van fer servir era reutilitzat i, un cop la mescla es va espessir, una de les talleristes va afegir unes gotes d&#8217;ess\u00e8ncia de llimona.<\/p>\n<p style=\"text-align: justify;\">Finalment, amb molt de compte, van posar la mescla a diversos pots de iogurt, i la van deixar reposar durant un mes.<\/p>\n<div id='gallery-1' class='gallery galleryid-24729 gallery-columns-1 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/agora.xtec.cat\/iesagustiserra\/batxillerat\/taller-de-reciclatge-doli-de-cuina-usat-en-sabo-per-a-la-roba\/attachment\/taller-de-reciclatge-doli-de-cuina-02\/'><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-02.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-02.jpg 1024w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-02-300x169.jpg 300w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-02-768x433.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/agora.xtec.cat\/iesagustiserra\/batxillerat\/taller-de-reciclatge-doli-de-cuina-usat-en-sabo-per-a-la-roba\/attachment\/taller-de-reciclatge-doli-de-cuina-03-jpg\/'><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-03.jpg.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-03.jpg.jpg 1024w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-03.jpg-300x169.jpg 300w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-03.jpg-768x433.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<div id='gallery-2' class='gallery galleryid-24729 gallery-columns-2 gallery-size-full'><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/agora.xtec.cat\/iesagustiserra\/batxillerat\/taller-de-reciclatge-doli-de-cuina-usat-en-sabo-per-a-la-roba\/attachment\/taller-de-reciclatge-doli-de-cuina-05\/'><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"768\" src=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-05.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-05.jpg 768w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-05-300x300.jpg 300w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-05-150x150.jpg 150w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a>\n\t\t\t<\/div><\/figure><figure class='gallery-item'>\n\t\t\t<div class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/agora.xtec.cat\/iesagustiserra\/batxillerat\/taller-de-reciclatge-doli-de-cuina-usat-en-sabo-per-a-la-roba\/attachment\/taller-de-reciclatge-doli-de-cuina-04\/'><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"768\" src=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-04.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-04.jpg 768w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-04-300x300.jpg 300w, https:\/\/agora.xtec.cat\/iesagustiserra\/wp-content\/uploads\/usu1681\/2024\/03\/Taller-de-reciclatge-doli-de-cuina-04-150x150.jpg 150w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/a>\n\t\t\t<\/div><\/figure>\n\t\t<\/div>\n\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El 14 de desembre els alumnes de 1r de Batxillerat van assistir a una activitat \u201ctaller de reciclatge d\u2019oli de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":24745,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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-4)","background-image":"","background-repeat":"repeat","background-position":"center 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