{"id":88303,"date":"2021-05-21T06:50:19","date_gmt":"2021-05-21T04:50:19","guid":{"rendered":"http:\/\/rss.nova-institut.net\/public.php?url=https%3A%2F%2Fwww.chemie.de%2Fnews%2F1171056%2Fneues-verfahren-steigert-die-synthesegaserzeugung-aus-biopolyolen.html%3FWT.mc_id%3Dca0065"},"modified":"2021-06-16T02:33:03","modified_gmt":"2021-06-16T00:33:03","slug":"new-method-boosts-syngas-generation-from-biopolyols","status":"publish","type":"post","link":"https:\/\/renewable-carbon.eu\/news\/new-method-boosts-syngas-generation-from-biopolyols\/","title":{"rendered":"New Method Boosts Syngas Generation from Biopolyols"},"content":{"rendered":"<p><strong>Photocatalytic biomass conversion is an ideal way of generating syngas (H<sub>2<\/sub> and CO) via C-C bond cleavage, which is initiated by hydrogen abstraction of O\/C-H bond. However, the lack of efficient electron-proton transfer limits its efficiency. Conversional gasification of biomass into syngas needs to be operated at high temperature (400-700 \u00b0C).<\/strong><\/p>\n<p>Recently, a group led by Prof. WANG Feng from the <a href=\"http:\/\/english.dicp.cas.cn\/\" target=\"_blank\" rel=\"noopener\">Dalian Institute of Chemical Physics (DICP)<\/a> of the Chinese Academy of Sciences (CAS), in collaboration with Prof. WANG Min from Dalian University of Technology, proposed a new method to realize photocatalytic conversion of biopolyols to syngas at room temperature with high efficiency.<\/p>\n<p>This study was published in <a href=\"https:\/\/pubs.acs.org\/doi\/10.1021\/jacs.1c00830\" target=\"_blank\" rel=\"noopener\">Journal of the American Chemical Society<\/a> on April 27.<\/p>\n<p><figure id=\"attachment_88430\" aria-describedby=\"caption-attachment-88430\" style=\"width: 494px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-88430\" src=\"https:\/\/renewable-carbon.eu\/news\/media\/2021\/06\/W020210506339601145167.jpg\" alt=\"Schematic mechanism of the photoinduced PCET process over [SO4]\/CdS (Image by ZHANG Xiaochen and LIU Huifang)\" width=\"494\" height=\"248\" \/><figcaption id=\"caption-attachment-88430\" class=\"wp-caption-text\">Schematic mechanism of the photoinduced PCET process over [SO<sub>chi<\/sub>]\/CdS (Image by ZHANG Xiaochen and LIU Huifang)<\/figcaption><\/figure>The researchers prepared surface sulfate ions modified CdS catalyst ([SO<sub>4<\/sub>]\/CdS), which could simultaneously increase both the electron and proton transfer, thereby facilitating the generation of syngas mixture from biopolyols with high activity and selectivity.<\/p>\n<p>In situ characterizations combined with theoretical calculations demonstrated that the surface sulfate ion [SO<sub>4<\/sub>] was bifunctional, serving as the proton acceptor to promote proton transfer, and increasing the oxidation potential of the valence band to enhance electron transfer.<\/p>\n<p>Compared with pristine CdS, [SO<sub>4<\/sub>]\/CdS exhibits 9-fold higher CO generation rate and 4-fold higher H<sub>2<\/sub> generation. Through this method, a wide range of sugars, such as glucose, fructose, maltose, sucrose, xylose, lactose, insulin, and starch, were facilely converted into syngas.<\/p>\n<p>This study reveals the pivotal effect of surface sulfate ion on electron\u2013proton transfer in photocatalysis and provides a facile method for increasing photocatalytic efficiency. (Text by ZHANG Xiaochen and LIU Huifang)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Photocatalytic biomass conversion is an ideal way of generating syngas (H2 and CO) via C-C bond cleavage, which is initiated by hydrogen abstraction of O\/C-H bond. However, the lack of efficient electron-proton transfer limits its efficiency. Conversional gasification of biomass into syngas needs to be operated at high temperature (400-700 \u00b0C). Recently, a group led [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","nova_meta_subtitle":"","footnotes":""},"categories":[5572],"tags":[5842,12450],"supplier":[1143,7471,23094],"class_list":["post-88303","post","type-post","status-publish","format-standard","hentry","category-bio-based","tag-biomass","tag-syngas","supplier-american-chemical-society-acs","supplier-chinese-academy-sciences","supplier-dalian-institute-of-chemical-physics-dicp"],"_links":{"self":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts\/88303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/comments?post=88303"}],"version-history":[{"count":0,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/posts\/88303\/revisions"}],"wp:attachment":[{"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/media?parent=88303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/categories?post=88303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/tags?post=88303"},{"taxonomy":"supplier","embeddable":true,"href":"https:\/\/renewable-carbon.eu\/news\/wp-json\/wp\/v2\/supplier?post=88303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}