{"id":199057,"date":"2015-08-13T13:54:43","date_gmt":"2015-08-13T16:54:43","guid":{"rendered":"http:\/\/revistapesquisa.fapesp.br\/?p=199057"},"modified":"2015-10-06T14:01:13","modified_gmt":"2015-10-06T17:01:13","slug":"hydrogen-from-ethanol","status":"publish","type":"post","link":"https:\/\/revistapesquisa.fapesp.br\/en\/hydrogen-from-ethanol\/","title":{"rendered":"Hydrogen from ethanol"},"content":{"rendered":"<div id=\"attachment_193565\" style=\"max-width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-193565\" src=\"http:\/\/revistapesquisa.fapesp.br\/wp-content\/uploads\/2015\/08\/Tecnociencia_00059540-300x201.jpg\" alt=\"Large scale: yeasts produce ethanol by fermenting sugarcane broth \" width=\"290\" height=\"194\" \/><p class=\"wp-caption-text\"><span class=\"media-credits-inline\">Eduardo Cesar<\/span>Large scale: yeasts produce ethanol by fermenting sugarcane broth<span class=\"media-credits\">Eduardo Cesar<\/span><\/p><\/div>\n<p>Automobiles may one day run on hydrogen produced from sugarcane.\u00a0 But first, scientists must increase the efficiency of the chemical reaction that extracts hydrogen from ethanol.\u00a0 Hydrogen is normally produced from natural gas.\u00a0 The same reaction would also produce acetaldehyde and ethyl acetate, two solvents highly valued by a wide range of industries and normally produced from petroleum.\u00a0 Chemists already know that the reaction happens faster and uses up less energy when ethanol is placed in contact with a porous material made of alumina (a type of aluminum oxide) and copper.\u00a0 A group of researchers headed by Leandro Martins, from the Chemistry Institute at S\u00e3o Paulo State University (Unesp) in the city of Araraquara, has now found that the reaction becomes even more efficient when part of the copper mixed with the alumina has been oxidized.\u00a0 Martins and his colleagues at the institute, Sandra Pulcinelli and Celso Santilli, arrived at this result partly because of an analysis made of the crystalline structure of several kinds of materials based on porous alumina and copper by Aline Passos, Am\u00e9lie Rochet and Val\u00e9rie Briois using the Soleil synchrotron light source in France.\u00a0\u201cThis way, we can use ethanol to make other products with a higher commercial value than alcohol, using relatively cheap metals such as copper,\u201d explains Wellington Cassinelli, who is doing postdoctoral work with Santilli.\u00a0 Cassinelli is the first author of the article that describes the research, published as the cover story in <em><i>ChemCatChem<\/i><\/em>, one of the leading publications in the field of chemical catalysis.<\/p>\n","protected":false},"excerpt":{"rendered":"A chemical reaction extracts hydrogen from ethanol","protected":false},"author":475,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[168],"tags":[207,227],"coauthors":[785],"class_list":["post-199057","post","type-post","status-publish","format-standard","hentry","category-technoscience","tag-bioenergy","tag-energy"],"acf":[],"_links":{"self":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/199057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/users\/475"}],"replies":[{"embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/comments?post=199057"}],"version-history":[{"count":0,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/posts\/199057\/revisions"}],"wp:attachment":[{"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/media?parent=199057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/categories?post=199057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/tags?post=199057"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/revistapesquisa.fapesp.br\/en\/wp-json\/wp\/v2\/coauthors?post=199057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}