{"id":2546,"date":"2020-04-22T15:22:29","date_gmt":"2020-04-22T15:22:29","guid":{"rendered":"http:\/\/www.finden.co.uk\/?p=2546"},"modified":"2020-04-29T08:49:54","modified_gmt":"2020-04-29T08:49:54","slug":"our-latest-work-using-multi-length-scale-chemical-tomography-to-study-fixed-bed-reactors-during-the-oxidative-coupling-of-methane-reaction","status":"publish","type":"post","link":"https:\/\/www.finden.co.uk\/zh\/news\/our-latest-work-using-multi-length-scale-chemical-tomography-to-study-fixed-bed-reactors-during-the-oxidative-coupling-of-methane-reaction\/","title":{"rendered":"Our latest work using multi-length scale chemical tomography to study fixed bed reactors during the oxidative coupling of methane reaction"},"content":{"rendered":"<p><a href=\"http:\/\/www.finden.co.uk\/wp-content\/uploads\/2020\/04\/1-s2.0-S0021951720301111-ga1_lrg.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2548 alignleft\" src=\"http:\/\/www.finden.co.uk\/wp-content\/uploads\/2020\/04\/1-s2.0-S0021951720301111-ga1_lrg.jpg\" alt=\"Graphical abstract\" width=\"499\" height=\"320\" \/><\/a>Our latest work using multi-length scale chemical tomography to study fixed bed reactors during the oxidative coupling of methane reaction has just been published at the Journal of Catalysis. &#8220;<span class=\"title-text\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0021951720301111?dgcid=author\" target=\"_blank\" rel=\"noopener noreferrer\"><em>Real-time multi-length scale chemical tomography of fixed bed reactors during the oxidative coupling of methane reaction<\/em><\/a>&#8221; is a result of a collaboration between scientists at UCL, Finden, ESRF, Diamond Light Source, Research Complex at Harwell, ISIS Neutron and Muon Source, University of Manchester, Boreskov Institute of Catalysis SB RAS\u00a0and VITO.<\/span><\/p>\n<p>In this work, we present the results from multi-length-scale studies of a Mn-Na-W\/SiO<sub>2<\/sub> and a La-promoted Mn-Na-W\/SiO<sub>2<\/sub> catalyst during the oxidative coupling of methane reaction. The catalysts were investigated from the reactor level (mm scale) down to the single catalyst particle level (\u03bcm scale) with different synchrotron X-ray chemical computed tomography techniques (multi-modal chemical CT experiments). These <em>operando<\/em> spatially-resolved studies performed with XRD-CT (catalytic reactor) and multi-modal \u03bc-XRF\/XRD\/absorption CT (single catalyst particle) revealed the multiple roles of the La promoter and how it provides the enhancement in catalyst performance. It is also shown that non-crystalline Mn species are part of the active catalyst component rather than crystalline Mn<sub>2<\/sub>O<sub>3<\/sub>\/Mn<sub>7<\/sub>SiO<sub>12<\/sub> or MnWO<sub>4<\/sub>.<\/p>\n<div class=\"publication-volume u-text-center\">\n<p id=\"publication-title\" class=\"publication-title u-h3\">The paper can be found in <a class=\"publication-title-link\" title=\"Go to Journal of Catalysis on ScienceDirect\" href=\"https:\/\/www.sciencedirect.com\/science\/journal\/00219517\">Journal of Catalysis<\/a>, <a title=\"Go to table of contents for this volume\/issue\" href=\"https:\/\/www.sciencedirect.com\/science\/journal\/00219517\/386\/supp\/C\">Volume 386<\/a>, June 2020, Pages 39-52. DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.jcat.2020.03.027\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/doi.org\/10.1016\/j.jcat.2020.03.027<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Our latest work using multi-length scale chemical tomography to study fixed bed reactors during the oxidative coupling of methane reaction has just been published at the Journal of Catalysis. &#8220;Real-time multi-length scale chemical tomography of fixed bed reactors during the oxidative coupling of methane reaction&#8221; is a result of a collaboration between scientists at UCL, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[15],"tags":[24,49,50,21],"class_list":["post-2546","post","type-post","status-publish","format-standard","hentry","category-news","tag-catalysis","tag-methane-reaction","tag-multi-length-scale-chemical-tomography","tag-tomography"],"_links":{"self":[{"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/posts\/2546","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/comments?post=2546"}],"version-history":[{"count":4,"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/posts\/2546\/revisions"}],"predecessor-version":[{"id":2554,"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/posts\/2546\/revisions\/2554"}],"wp:attachment":[{"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/media?parent=2546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/categories?post=2546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.finden.co.uk\/zh\/wp-json\/wp\/v2\/tags?post=2546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}