{"id":4237,"date":"2020-08-20T13:40:20","date_gmt":"2020-08-20T13:40:20","guid":{"rendered":"https:\/\/www.dsengineers.com\/industrias-de-biocombustibles\/cellulosic-feedstock-ethanol\/"},"modified":"2022-09-19T12:12:37","modified_gmt":"2022-09-19T12:12:37","slug":"etanol-2g-lignina-y-derivados-de-celulosa","status":"publish","type":"page","link":"https:\/\/www.dsengineers.com\/es\/soluciones-para-industrias\/industrias-bio\/etanol-2g-lignina-y-derivados-de-celulosa\/","title":{"rendered":"Etanol 2G, lignina y derivados de celulosa"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row el_class=\u00bbbox-shadow mb-5 pb-2&#8243;][vc_column el_class=\u00bbbg-white above ht-11 pt-2 pl-3 pr-3&#8243;][vc_empty_space height=\u00bb22px\u00bb][vc_custom_heading text=\u00bbEtanol 2G, lignina y derivados de celulosa\u00bb font_container=\u00bbtag:h4|text_align:left|color:%23027983&#8243; use_theme_fonts=\u00bbyes\u00bb][vc_empty_space][vc_column_text]DSEC utiliza los desarrollos de proveedores de tecnolog\u00eda en el \u00e1rea de\u00a0<strong><a href=\"\/es\/industrias\/construccion-plantas-produccion-de-azucar\/\">az\u00facares<\/a> fermentables 2G<\/strong> como complemento a instalaciones 1G existentes o en nuevas instalaciones., Las etapas principales del \u00a0de proceso son:<\/p>\n<ul>\n<li>Pretratamiento de biomasa<\/li>\n<li>Hidr\u00f3lisis enzim\u00e1tica<\/li>\n<li>Procesamiento de lignina<\/li>\n<\/ul>\n<p>Las az\u00facares C5 y\/o C6 pueden convertirse por fermentaci\u00f3n o cat\u00e1lisis en varios productos. Hoy en d\u00eda las aplicaciones m\u00e1s importantes son para la producci\u00f3n de Bio-Etanol, y combustible avanzado.<\/p>\n<p>Actualmente, la celulosa en s\u00ed misma gana cada vez m\u00e1s inter\u00e9s hacia la utilizaci\u00f3n de MCC o NCC (micro o nano celulosa cristalina).<\/p>\n<p>Utilizando la fracci\u00f3n de la Lignina, puede producirse productos de valor agregado como por ejemplo los arom\u00e1ticos.<\/p>\n<p>Las <strong>materias primas celul\u00f3sicas<\/strong> son m\u00e1s dif\u00edciles de descomponerse en az\u00facares fermentables que el almid\u00f3n y las materias primas a base de az\u00facar. La conversi\u00f3n bioqu\u00edmica celul\u00f3sica (<strong>tecnolog\u00eda de bioetanol de 2a generaci\u00f3n<\/strong> (<strong>2G<\/strong>)) requiere, por tanto, pasos adicionales. Los tratamientos est\u00e1ndares son el pretratamiento de biomasa y la hidr\u00f3lisis de celulosa.<\/p>\n<p>Para descomponer la celulosa (la principal fuente de az\u00facar en la biomasa fibrosa) las hemicelulosas y la lignina que rodean la celulosa en una vaina protectora necesitan ser cortadas. El enfoque general para la <strong>conversi\u00f3n de material celul\u00f3sico en Etanol<\/strong> es el pretratamiento para abrir la biomasa a las enzimas, hidr\u00f3lisis enzim\u00e1tica de biomasa y fermentaci\u00f3n de az\u00facares seguido de la recuperaci\u00f3n y purificaci\u00f3n de etanol, as\u00ed como el procesamiento de residuos.<\/p>\n<p>Los \u00e1cidos pueden descomponer las cadenas largas en hemicelulosas y celulosas para liberar los az\u00facares contenidos en estos materiales a trav\u00e9s de reacciones de hidr\u00f3lisis. Gracias a su alta especificidad, las enzimas conocidas como celulasa pueden lograr mayores rendimientos de glucosa de celulosa y a menudo son las m\u00e1s utilizadas.<\/p>\n<p>Para sobrevivir en la naturaleza, la biomasa celul\u00f3sica ha desarrollado una estructura resistente el ataque enzim\u00e1tico; por tanto, la celulosa debe pre-tratarse previamente para exponer mejor a las enzimas.<\/p>\n<p>A lo largo de los a\u00f1os, se han experimentado pretratamientos biol\u00f3gicos, qu\u00edmicos, mec\u00e1nicos, f\u00edsicos y t\u00e9rmicos, pero actualmente, s\u00f3lo los m\u00e9todos que tratan la biomasa a temperaturas en torno a los 80 &#8211; 200 \u00baC con uno o m\u00e1s productos qu\u00edmicos han sido capaces de obtener altos rendimientos de az\u00facar, esencial para la viabilidad econ\u00f3mica.<\/p>\n<p>Las principales opciones de pretratamiento de productos termoqu\u00edmicos incluyen el \u00e1cido sulf\u00farico diluido, la expansi\u00f3n de fibra con amon\u00edaco (AFEX), pH neutro y cal. La elecci\u00f3n depende de muchos factores, incluyendo la naturaleza del sustrato, enzimas y organismos y otros detalles del proceso.<\/p>\n<p>La experiencia de DSEC en este campo puede asesorar tanto a proveedores de tecnolog\u00eda como a inversores en su camino desde los ensayos a la construcci\u00f3n industrial incluyendo las instalaciones auxiliares.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=\u00bbstretch_row_content_no_spaces\u00bb css=\u00bb.vc_custom_1595855320436{background-color: #027983 !important;}\u00bb el_class=\u00bbpt-2 pb-5&#8243;][vc_column][vc_custom_heading text=\u00bbDSEC EST\u00c1 ACTIVO EN TODAS LAS INDUSTRIAS DE PRODUCCI\u00d3N RELACIONADAS CON BIOCOMBUSTIBLES\u00bb font_container=\u00bbtag:h2|text_align:center|color:%23ffffff\u00bb use_theme_fonts=\u00bbyes\u00bb css_animation=\u00bbslideInUp\u00bb el_class=\u00bbpb-2&#8243;]<div class=\"templatera_shortcode\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column 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mano)<\/a><\/span><\/div><\/div><\/div><\/div><div onclick=\"\" class=\"mpc-post\"><div class=\"mpc-post__wrapper\"><div class=\"mpc-post__thumbnail\" data-mpc_src=\"https:\/\/www.dsengineers.com\/files\/uploads\/2020\/08\/NCP-Alcohols-DSEC-1024x433.jpg\" data-mpc_link=\"https:\/\/www.dsengineers.com\/es\/references\/ncp-alcohols-molasses-distillery-conversion-south-africa\/\"><div class=\"mpc-post__overlay mpc-transition\"><div class=\"mpc-post--vertical-wrap\"><div class=\"mpc-post--vertical\" data-mpc_link=\"https:\/\/www.dsengineers.com\/es\/references\/ncp-alcohols-molasses-distillery-conversion-south-africa\/\"><a href=\"https:\/\/www.dsengineers.com\/files\/uploads\/2020\/08\/NCP-Alcohols-DSEC.jpg\" title=\"ALCO NCP Molasses distillery conversion, South Africa\" class=\"mpc-lightbox mpc-icon-anchor mpc-pretty-photo\"><i class=\"mpc-post-overlay__icon mpc-type--lightbox lnr lnr-link\"><\/i><\/a><\/div><\/div><\/div><\/div><div class=\"mpc-post__content mpc-transition\"><h3 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href=\"https:\/\/www.dsengineers.com\/es\/category\/complete-projects-epc-es\/\" rel=\"category tag\">EPC (Construcci\u00f3n Llave en mano)<\/a><\/span><\/div><\/div><\/div><\/div><\/div><div class=\"mpc-navigation mpc-init mpc-align--right mpc-navigation--style_1  mpc-nav-preset--mpc_preset_2\" data-mpcslider=\"mpc_carousel_posts-5369e0bb52a5a6d\"><div class=\"mpc-nav__arrow mpcslick-prev\"><div class=\"mpc-nav__icon mpc-transition\"><i class=\" eti eti_arrow_left\"><div class=\"mpc-nav__background mpc-transition mpc-effect-type--slide mpc-effect-side--top\"><\/div><\/i><\/div><\/div><div class=\"mpc-nav__arrow mpcslick-next\"><div class=\"mpc-nav__icon mpc-transition\"><i class=\" eti eti_arrow_right\"><div class=\"mpc-nav__background mpc-transition mpc-effect-type--slide mpc-effect-side--top\"><\/div><\/i><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"EPC conversion &amp; capacity increase of a molasses ethanol plant to corn DSEC Projects World Map View Customer Alco NCP (Alcogroup) - Durban General contractor De Smet Engineers &amp; Contractors Technology provider INTERIS SAS for the process De Smet Engineers &amp; Contractors for balance of the plant Scope of works Basic &amp; detailed design, civil","protected":false},"author":4,"featured_media":16627,"parent":3622,"menu_order":79,"comment_status":"closed","ping_status":"closed","template":"services-activites.php","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-4237","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Etanol 2G, lignina y derivados de celulosa | De Smet Engineers &amp; Contractors<\/title>\n<meta name=\"description\" content=\"De Smet se especializa en la construcci\u00f3n de plantas de producci\u00f3n de Bio Etanol 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