{"id":4236,"date":"2020-08-20T13:40:20","date_gmt":"2020-08-20T13:40:20","guid":{"rendered":"https:\/\/www.dsengineers.com\/industries-des-biocarburants\/cellulosic-feedstock-ethanol\/"},"modified":"2022-09-19T12:11:19","modified_gmt":"2022-09-19T12:11:19","slug":"matieres-premieres-cellulosiques-pour-ethanol","status":"publish","type":"page","link":"https:\/\/www.dsengineers.com\/fr\/solutions-for-industries\/industries-biosourcees\/matieres-premieres-cellulosiques-pour-ethanol\/","title":{"rendered":"Ethanol de 2\u00e8me g\u00e9n\u00e9ration, lignine et d\u00e9riv\u00e9s de cellulose"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row el_class=\u00a0\u00bbbox-shadow mb-5 pb-2&Prime;][vc_column el_class=\u00a0\u00bbbg-white above ht-11 pt-2 pl-3 pr-3&Prime;][vc_empty_space height=\u00a0\u00bb22px\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbEthanol de 2\u00e8me g\u00e9n\u00e9ration, lignine et d\u00e9riv\u00e9s de cellulose\u00a0\u00bb font_container=\u00a0\u00bbtag:h4|text_align:left|color:%23027983&Prime; use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb][vc_empty_space][vc_column_text]DSEC se concentre sur le d\u00e9veloppement des fournisseurs de technologies dans le domaine des <strong>sucres fermentescibles 2G<\/strong> en compl\u00e9ment des installations 1G existantes ou Greenfield, sur base de ces principales \u00e9tapes de proc\u00e9d\u00e9s\u00a0:<\/p>\n<ul>\n<li>Pr\u00e9traitement de la biomasse<\/li>\n<li>Hydrolyse enzymatique<\/li>\n<li>Traitement de la lignine.<\/li>\n<\/ul>\n<p>Les sucres C5 et\/ou C6 peuvent \u00eatre convertis par fermentation ou catalyse en divers produits alors qu&rsquo;aujourd&rsquo;hui la principale application \u00e0 l&rsquo;\u00e9chelle industrielle est la production de bio\u00e9thanol, un biocarburant de pointe.<\/p>\n<p>La cellulose s\u00e9par\u00e9e\/non convertie gagne de nos jours de plus en plus d&rsquo;attrait pour l&rsquo;utilisation de MCC ou NCC (cellulose micro ou nano cristalline).<\/p>\n<p>A partir de la fraction de lignine, divers produits \u00e0 valeur ajout\u00e9e peuvent \u00e9galement \u00eatre fabriqu\u00e9s tels que les aromatiques, par exemple.<\/p>\n<p>Les <strong>mati\u00e8res premi\u00e8res cellulosiques<\/strong> \u00e9tant plus difficiles \u00e0 d\u00e9composer en sucres fermentescibles que l\u2019amidon et les mati\u00e8res premi\u00e8res \u00e0 base de sucre, la conversion biochimique (<strong>technologie du bio\u00e9thanol de 2e g\u00e9n\u00e9ration<\/strong> (<strong>2G<\/strong>)) n\u00e9cessite des \u00e9tapes suppl\u00e9mentaires aux traitements traditionnels : pr\u00e9traitement de la biomasse et hydrolyse de cellulose.<\/p>\n<p>Pour d\u00e9composer la cellulose \u2013 principale source de sucre dans la biomasse fibreuse \u2013 l\u2019h\u00e9micellulose et la lignine qui entourent la cellulose dans une gaine protectrice doivent pouvoir \u00eatre d\u00e9coup\u00e9es. L\u2019approche globale pour <strong>convertir le mat\u00e9riel cellulosique en \u00e9thanol<\/strong> est le pr\u00e9traitement pour donner acc\u00e8s aux enzymes et permettre l\u2019hydrolyse de la biomasse et la fermentation des sucres, suivie de la r\u00e9cup\u00e9ration et de la purification de l\u2019\u00e9thanol ainsi que du traitement des r\u00e9sidus.<\/p>\n<p>Des acides peuvent d\u00e9composer les longues cha\u00eenes en h\u00e9micellulose et cellulose pour lib\u00e9rer les sucres contenus dans ces mat\u00e9riaux par des r\u00e9actions d\u2019hydrolyse. Gr\u00e2ce \u00e0 leur grande sp\u00e9cificit\u00e9, les enzymes connues sous le nom de cellulase permettent d\u2019obtenir des rendements plus \u00e9lev\u00e9s en glucose \u00e0 partir de la cellulose et sont souvent pr\u00e9f\u00e9r\u00e9es.<\/p>\n<p>Comme pour survivre dans la nature, la biomasse cellulosique a d\u00e9velopp\u00e9 une structure qui r\u00e9siste \u00e0 l\u2019attaque enzymatique; elle doit d\u2019abord \u00eatre pr\u00e9trait\u00e9e pour mieux exposer la cellulose aux enzymes. Au fil des ans, des pr\u00e9traitements biologiques, chimiques, m\u00e9caniques, physiques et thermiques ont \u00e9t\u00e9 exp\u00e9riment\u00e9s mais actuellement, seules les m\u00e9thodes qui traitent la biomasse \u00e0 des temp\u00e9ratures d\u2019environ 80 \u00e0 200 \u00b0C avec un ou plusieurs produits chimiques ont \u00e9t\u00e9 en mesure de d\u00e9montrer des rendements \u00e9lev\u00e9s en sucre n\u00e9cessaires \u00e0 la viabilit\u00e9 \u00e9conomique de l\u2019op\u00e9ration. Les principales options de pr\u00e9traitement thermo chimique utilisent l\u2019acide sulfurique dilu\u00e9, l\u2019expansion des fibres \u00e0 l\u2019ammoniac (AFEX), le pH neutre et la chaux, bien que le choix d\u00e9pende de nombreux facteurs, tels que la nature du substrat, les enzymes et les organismes et d\u2019autres d\u00e9tails du proc\u00e9d\u00e9.<\/p>\n<p>L\u2019expertise de DSEC dans le domaine peut guider les fournisseurs de technologie et les investisseurs sur le chemin allant de l\u2019exp\u00e9rimentation aux r\u00e9alisations industrielles avec tous les off-sites correspondants.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row_content_no_spaces\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1595855320436{background-color: #027983 !important;}\u00a0\u00bb el_class=\u00a0\u00bbpt-2 pb-5&Prime;][vc_column][vc_custom_heading text=\u00a0\u00bbDSEC EST ACTIF DANS TOUTES LES INDUSTRIES DE PRODUCTION LI\u00c9ES AUX BIOCARBURANTS\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:center|color:%23ffffff\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css_animation=\u00a0\u00bbslideInUp\u00a0\u00bb el_class=\u00a0\u00bbpb-2&Prime;]<div class=\"templatera_shortcode\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"mpc-carousel__wrapper mpc-waypoint\"><div id=\"mpc_carousel_posts-8469dfeed07aac8\" class=\"mpc-carousel-posts mpc-init mpc-init mpc-transition mpc-overlay--fade mpc-item--fade mpc-layout--style_2 carousel-services-activities pl-0 pl-xl-1 pr-0 pr-xl-1 carousel-services-activities pl-0 pl-xl-1 pr-0 pr-xl-1\"   data-mpcslick='{\"infinite\":true,\"autoplay\":true,\"slidesToShow\":4,\"slidesToScroll\":4,\"centerMode\":false,\"initialSlide\":0,\"autoplaySpeed\":3000}' data-slick-cols=\"4\"><div onclick=\"\" class=\"mpc-post\"><div class=\"mpc-post__wrapper\"><div 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g\u00e9n\u00e9ration, lignine et d\u00e9riv\u00e9s de cellulose<\/a><\/h3><\/div><\/div><\/div><\/div><div class=\"mpc-navigation mpc-init mpc-align--right mpc-navigation--style_1  mpc-nav-preset--preset_0\" data-mpcslider=\"mpc_carousel_posts-8469dfeed07aac8\"><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][vc_row full_width=\u00a0\u00bbstretch_row_content_no_spaces\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1597060986591{background-image: 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href=\"https:\/\/www.dsengineers.com\/files\/uploads\/2010\/07\/BioWanze-300dpi.jpg\" title=\"BIOWANZE Bioethanol Plant, Belgium\" 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 class=\"mpc-post__heading mpc-transition\"><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/biowanze-bioethanol-plant-belgium\/\" title=\"BIOWANZE Bioethanol Plant, Belgium\">BIOWANZE Bioethanol Plant, Belgium<\/a><\/h3><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/biowanze-bioethanol-plant-belgium\/\" title=\"BIOWANZE Bioethanol Plant, Belgium\"  class=\"mpc-button mpc-init mpc-transition mpc-display--block \" ><div class=\"mpc-button__content mpc-effect-type--stay mpc-effect-side--right\"><span class=\"mpc-button__title mpc-transition\">EN SAVOIR PLUS<\/span><i class=\"mpc-button__icon mpc-transition  lnr lnr-arrow-right\"><\/i><\/div><div class=\"mpc-button__background mpc-transition mpc-effect-type--fade mpc-effect-side--in\"><\/div><\/a><div class=\"mpc-post__meta mpc-transition\"><span class=\"mpc-post__tax\">in <a href=\"https:\/\/www.dsengineers.com\/fr\/category\/complete-projects-epc-fr\/\" rel=\"category tag\">EPC (Construction Cl\u00e9 en main)<\/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\/2014\/07\/Addax-Bioenergy-DSEC-1024x576.jpg\" data-mpc_link=\"https:\/\/www.dsengineers.com\/fr\/references\/makeni-bioethanol-plant-sierra-leone\/\"><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\/fr\/references\/makeni-bioethanol-plant-sierra-leone\/\"><a href=\"https:\/\/www.dsengineers.com\/files\/uploads\/2014\/07\/Addax-Bioenergy-DSEC.jpg\" title=\"ADDAX BIOENERGY Bioethanol Plant, Makeni, Sierra Leone\" 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 class=\"mpc-post__heading mpc-transition\"><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/makeni-bioethanol-plant-sierra-leone\/\" title=\"ADDAX BIOENERGY Bioethanol Plant, Makeni, Sierra Leone\">ADDAX BIOENERGY Bioethanol Plant, Makeni, Sierra Leone<\/a><\/h3><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/makeni-bioethanol-plant-sierra-leone\/\" title=\"ADDAX BIOENERGY Bioethanol Plant, Makeni, Sierra Leone\"  class=\"mpc-button mpc-init mpc-transition mpc-display--block \" ><div class=\"mpc-button__content mpc-effect-type--stay mpc-effect-side--right\"><span class=\"mpc-button__title mpc-transition\">EN SAVOIR PLUS<\/span><i class=\"mpc-button__icon mpc-transition  lnr lnr-arrow-right\"><\/i><\/div><div class=\"mpc-button__background mpc-transition mpc-effect-type--fade mpc-effect-side--in\"><\/div><\/a><div class=\"mpc-post__meta mpc-transition\"><span class=\"mpc-post__tax\">in <a href=\"https:\/\/www.dsengineers.com\/fr\/category\/engineering-management-works-epcm-fr\/\" rel=\"category tag\">EPCM (Gestion Cl\u00e9 en main)<\/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\/Ethanol-ACABIO-Aerial-view-2014-DSC_0699-1024x422.jpg\" data-mpc_link=\"https:\/\/www.dsengineers.com\/fr\/references\/acabio-bioethanol-plant-villa-maria-argentina\/\"><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\/fr\/references\/acabio-bioethanol-plant-villa-maria-argentina\/\"><a href=\"https:\/\/www.dsengineers.com\/files\/uploads\/2020\/08\/Ethanol-ACABIO-Aerial-view-2014-DSC_0699.jpg\" title=\"ACABIO Bioethanol Plant, Villa Maria, Argentina\" 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 class=\"mpc-post__heading mpc-transition\"><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/acabio-bioethanol-plant-villa-maria-argentina\/\" title=\"ACABIO Bioethanol Plant, Villa Maria, Argentina\">ACABIO Bioethanol Plant, Villa Maria, Argentina<\/a><\/h3><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/acabio-bioethanol-plant-villa-maria-argentina\/\" title=\"ACABIO Bioethanol Plant, Villa Maria, Argentina\"  class=\"mpc-button mpc-init mpc-transition mpc-display--block \" ><div class=\"mpc-button__content mpc-effect-type--stay mpc-effect-side--right\"><span class=\"mpc-button__title mpc-transition\">EN SAVOIR PLUS<\/span><i class=\"mpc-button__icon mpc-transition  lnr lnr-arrow-right\"><\/i><\/div><div class=\"mpc-button__background mpc-transition mpc-effect-type--fade mpc-effect-side--in\"><\/div><\/a><div class=\"mpc-post__meta mpc-transition\"><span class=\"mpc-post__tax\">in <a href=\"https:\/\/www.dsengineers.com\/fr\/category\/complete-projects-epc-fr\/\" rel=\"category tag\">EPC (Construction Cl\u00e9 en main)<\/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\/fr\/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\/fr\/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 class=\"mpc-post__heading mpc-transition\"><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/ncp-alcohols-molasses-distillery-conversion-south-africa\/\" title=\"ALCO NCP Molasses distillery conversion, South Africa\">ALCO NCP Molasses distillery conversion, South Africa<\/a><\/h3><a href=\"https:\/\/www.dsengineers.com\/fr\/references\/ncp-alcohols-molasses-distillery-conversion-south-africa\/\" title=\"ALCO NCP Molasses distillery conversion, South Africa\"  class=\"mpc-button mpc-init mpc-transition mpc-display--block \" ><div class=\"mpc-button__content mpc-effect-type--stay mpc-effect-side--right\"><span class=\"mpc-button__title mpc-transition\">EN SAVOIR PLUS<\/span><i class=\"mpc-button__icon mpc-transition  lnr lnr-arrow-right\"><\/i><\/div><div class=\"mpc-button__background mpc-transition mpc-effect-type--fade mpc-effect-side--in\"><\/div><\/a><div class=\"mpc-post__meta mpc-transition\"><span class=\"mpc-post__tax\">in <a href=\"https:\/\/www.dsengineers.com\/fr\/category\/complete-projects-epc-fr\/\" rel=\"category tag\">EPC (Construction Cl\u00e9 en main)<\/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-9569dfeed07db02\"><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":16625,"parent":3621,"menu_order":80,"comment_status":"closed","ping_status":"closed","template":"services-activites.php","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-4236","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>Ethanol de 2\u00e8me g\u00e9n\u00e9ration, lignine et d\u00e9riv\u00e9s de cellulose | De Smet Engineers &amp; Contractors<\/title>\n<meta name=\"description\" content=\"De Smet est sp\u00e9cialis\u00e9 dans la construction d\u2019usines de production de bio\u00e9thanol bas\u00e9es sur la conversion biochimique cellulosique \u00e9galement connue sous le nom de technologie de bio\u00e9thanol de 2e g\u00e9n\u00e9ration (2G).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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