{"id":2015,"date":"2020-04-20T13:42:20","date_gmt":"2020-04-20T13:42:20","guid":{"rendered":"https:\/\/www.dsengineers.com\/?page_id=2015"},"modified":"2025-06-23T07:20:15","modified_gmt":"2025-06-23T07:20:15","slug":"cellulosic-feedstock-ethanol","status":"publish","type":"page","link":"https:\/\/www.dsengineers.com\/en\/solutions-for-industries\/bio-based-industries\/cellulosic-feedstock-ethanol\/","title":{"rendered":"Ethanol 2G, lignin &#038; cellulose derivatives"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row el_class=&#8221;box-shadow mb-5 pb-2&#8243;][vc_column el_class=&#8221;bg-white above ht-11 pt-2 pl-3 pr-3&#8243;][vc_empty_space height=&#8221;22px&#8221;][vc_custom_heading text=&#8221;Ethanol 2G, lignin &amp; cellulose derivatives&#8221; font_container=&#8221;tag:h4|text_align:left|color:%23027983&#8243; use_theme_fonts=&#8221;yes&#8221;][vc_empty_space][vc_column_text]DSEC is focusing on Technology Provider\u2019s development in the area of <strong>2G fermentable <a href=\"\/en\/industries\/sugar-plants-epc-construction\/\">sugars<\/a><\/strong> as add-on to existing 1G facilities or Greenfield, based on these main process steps:<\/p>\n<ul>\n<li>Biomass pre-treatment<\/li>\n<li>Enzymatic hydrolysis<\/li>\n<li>Lignin processing<\/li>\n<\/ul>\n<p>C5 and\/or C6 sugars can be converted by fermentation or catalysis into various products while today major industrial scale application is the production of bio-ethanol, an advanced biofuel.<\/p>\n<p>Separated\/non converted cellulose gains nowadays more and more attraction towards the utilization of MCC or NCC (micro or nano crystalline cellulose).<\/p>\n<p>Also from the lignin fraction various added-value products such as aromatics e.g. can be produced.<\/p>\n<p>As <strong>cellulosic feedstock<\/strong> are more difficult to break down into fermentable sugars than starch and sugar based feedstock, the cellulosic biochemical conversion (<strong>2nd generation bioethanol technology (2G)<\/strong>) requires additional steps to standard treatments: biomass pre-treatment and cellulose hydrolysis.<br \/>\nTo break down cellulose &#8211; the primary source of sugar in fibrous biomass &#8211; hemicelluloses and lignin that surround the cellulose in a protective sheath need to be cut across. The overall approach for <strong>converting cellulosic material to ethanol<\/strong> is pre-treatment to open up biomass to enzymes, biomass hydrolyse and sugars fermentation followed by ethanol recovery and purification as well as residues processing.<\/p>\n<p>Acids can break down the long chains in hemicelluloses and cellulose to release sugars contained in these materials through hydrolysis reactions. Thanks to their high specificity, enzymes known as cellulase can achieve higher yields of glucose from cellulose and are often favoured.<\/p>\n<p>As to survive in nature, cellulosic biomass has developed a structure that resists enzymatic attack; it must first be pre-treated to better expose the cellulose to enzymes. Over the years, biological, chemical, mechanical, physical and thermal pre-treatments have been experimented, but currently, only methods that treat biomass at temperatures around 80 &#8211; 200 \u00b0C with one or more chemicals have been able to realise high sugar yields essential to economic viability. Leading thermo chemical pre-treatment options include diluted sulfuric acid, ammonia fibre expansion (AFEX), neutral pH and lime, although the choice depends on many factors including the nature of the substrate, enzymes and organisms and other process details.<\/p>\n<p>DSEC\u2019s expertise in the field can guide both technology providers and investors on the path from experiments to industrial realisations with all related off-sites.[\/vc_column_text][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row_content_no_spaces&#8221; css=&#8221;.vc_custom_1595855320436{background-color: #027983 !important;}&#8221; el_class=&#8221;pt-2 pb-5&#8243;][vc_column][vc_custom_heading text=&#8221;DSEC IS ACTIVE IN ALL BIO-BASED INDUSTRIES RELATED PRODUCTION INDUSTRIES&#8221; font_container=&#8221;tag:h2|text_align:center|color:%23ffffff&#8221; use_theme_fonts=&#8221;yes&#8221; css_animation=&#8221;slideInUp&#8221; el_class=&#8221;pb-2&#8243;]<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-6169dd030c2ab44\" 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 class=\"mpc-post__thumbnail\" data-mpc_src=\"https:\/\/www.dsengineers.com\/files\/uploads\/2022\/09\/Fibenol-Lignin-Wood-Sugars-crpd-1024x528.jpg\" data-mpc_link=\"https:\/\/www.dsengineers.com\/en\/solutions-for-industries\/bio-based-industries\/cellulosic-feedstock-ethanol\/\"><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\/en\/solutions-for-industries\/bio-based-industries\/cellulosic-feedstock-ethanol\/\"><a href=\"https:\/\/www.dsengineers.com\/files\/uploads\/2022\/09\/Fibenol-Lignin-Wood-Sugars-crpd.jpg\" title=\"Ethanol 2G, lignin &#038; cellulose derivatives\" 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\/en\/solutions-for-industries\/bio-based-industries\/cellulosic-feedstock-ethanol\/\" title=\"Ethanol 2G, lignin &#038; cellulose derivatives\">Ethanol 2G, lignin &#038; cellulose derivatives<\/a><\/h3><\/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\/2021\/10\/20210923_105206-Crpd2-1024x452.jpg\" data-mpc_link=\"https:\/\/www.dsengineers.com\/en\/solutions-for-industries\/bio-based-industries\/bio-based-chemical-plants\/\"><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\/en\/solutions-for-industries\/bio-based-industries\/bio-based-chemical-plants\/\"><a href=\"https:\/\/www.dsengineers.com\/files\/uploads\/2021\/10\/20210923_105206-Crpd2.jpg\" title=\"Bio-based chemicals\" 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\/en\/solutions-for-industries\/bio-based-industries\/bio-based-chemical-plants\/\" title=\"Bio-based chemicals\">Bio-based chemicals<\/a><\/h3><\/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\/Biomass-CRISTABA-2012-04-Biomass-boiler-island--1024x736.jpg\" data-mpc_link=\"https:\/\/www.dsengineers.com\/en\/solutions-for-industries\/bio-based-industries\/biomass-to-energy-cogeneration\/\"><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\/en\/solutions-for-industries\/bio-based-industries\/biomass-to-energy-cogeneration\/\"><a href=\"https:\/\/www.dsengineers.com\/files\/uploads\/2020\/08\/Biomass-CRISTABA-2012-04-Biomass-boiler-island-.jpg\" title=\"Biomass to energy and cogeneration\" 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\/en\/solutions-for-industries\/bio-based-industries\/biomass-to-energy-cogeneration\/\" title=\"Biomass to energy and cogeneration\">Biomass to energy and cogeneration<\/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-6169dd030c2ab44\"><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=&#8221;stretch_row_content_no_spaces&#8221; 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Wood Sugars Production Plant DSEC Projects World Map View Customer FIBENOL O\u00dc (Tallinn, Estonia; www.fibenol.com); scale-up supported by SWEETWOODS project Scope of works Detailed engineering &amp; project management assistance Plant capacity Undisclosed (Demonstration Plant) Products LIGNOVA\u2122 Crude, cellulosic C5 and C6 sugars and unique fractions of","protected":false},"author":4,"featured_media":16624,"parent":1917,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"services-activites.php","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-2015","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 2G, lignin &amp; cellulose derivatives | De Smet Engineers &amp; Contractors<\/title>\n<meta name=\"description\" content=\"De Smet specialises in the construction of Bio Ethanol production plants based in cellulosic biochemical conversion known also as 2nd generation bioethanol technology (2G).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dsengineers.com\/en\/solutions-for-industries\/bio-based-industries\/cellulosic-feedstock-ethanol\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ethanol 2G, lignin &amp; 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