{"id":2065,"date":"2023-08-05T10:35:17","date_gmt":"2023-08-05T10:35:17","guid":{"rendered":"http:\/\/www.bcgresearchcenter.cusri.chula.ac.th\/?p=2065"},"modified":"2023-08-05T10:35:18","modified_gmt":"2023-08-05T10:35:18","slug":"upgradation-of-methane-in-the-biogas-by-hydrogenation-of-co2-in-a-prototype-reactor-with-double-pass-operation-over-optimized-ni%e2%80%91ce-al%e2%80%91mcm%e2%80%9141-catalyst","status":"publish","type":"post","link":"http:\/\/www.bcgresearchcenter.cusri.chula.ac.th\/en\/upgradation-of-methane-in-the-biogas-by-hydrogenation-of-co2-in-a-prototype-reactor-with-double-pass-operation-over-optimized-ni%e2%80%91ce-al%e2%80%91mcm%e2%80%9141-catalyst\/","title":{"rendered":"Upgradation of methane in the biogas by hydrogenation of \u00adCO2 in a prototype reactor with double pass operation over optimized Ni\u2011Ce\/Al\u2011MCM\u201141 catalyst"},"content":{"rendered":"<p><strong>Abstract<\/strong><\/p>\n<p><span style=\"font-weight: 400;\">\u00a0 \u00a0 \u00a0 \u00a0 The upgradation of methane in biogas by hydrogenation of CO2 has been currently recognized as a promising route for efficient full utilization of renewable biogas with potential benefits for storage of renewable hydrogen energy and abatement of greenhouse gas emission. As a main constituent of biogas, CO2 can act as a backbone for the formation of additional CH4 by hydrogenation, then producing higher amounts of biomethane. In this work, the upgradation process was investigated in a prototype reactor of double pass operation with vertical alignment using an optimized Ni-Ce\/Al-MCM-41 catalyst. The experimental results show that the double pass operation that removes water vapor during the run can significantly increase CO2 conversion, resulting in higher CH4 production yield. As a result, the purity of biomethane increased by 15% higher than a single pass operation. In addition, search for optimum condition of the process was carried out within an investigated range of conditions including flowrate (77\u20131108 ml min\u22121), pressure (1 atm\u201320 bar), and temperature (200\u2013500 \u00b0C). The durability test for 458 h was performed using the obtained optimum condition, and it shows that the optimized catalyst can perform excellent stability with negligible influence by the observed change in catalyst properties. The comprehensive characterization on physicochemical properties of fresh and spent catalysts was performed, and the results were discussed.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>The article can be accessed in file:\/\/\/C:\/Users\/Admin\/Downloads\/Paper_2023_%E0%B8%9E%E0%B8%B4%E0%B8%8A%E0%B8%B2%E0%B8%A7%E0%B8%B5%E0%B8%A3%E0%B9%8C.pdf<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract \u00a0 \u00a0 \u00a0 \u00a0 The upgradation of methane in biogas by hydrogenation of CO2 has been currently recognized as a promising route for efficient full utilization of renewable biogas with potential benefits for storage of renewable hydrogen energy and abatement of greenhouse gas emission. As a main constituent of biogas, CO2 can act as<\/p>\n","protected":false},"author":1,"featured_media":2063,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-2065","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-journal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Upgradation of methane in the biogas by hydrogenation of \u00adCO2 in a prototype reactor with double pass operation over optimized Ni\u2011Ce\/Al\u2011MCM\u201141 catalyst - cusri<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.bcgresearchcenter.cusri.chula.ac.th\/en\/upgradation-of-methane-in-the-biogas-by-hydrogenation-of-co2-in-a-prototype-reactor-with-double-pass-operation-over-optimized-ni\u2011ce-al\u2011mcm\u201141-catalyst\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Upgradation of methane in the biogas by hydrogenation of \u00adCO2 in a prototype reactor with double pass operation over optimized Ni\u2011Ce\/Al\u2011MCM\u201141 catalyst - cusri\" \/>\n<meta property=\"og:description\" content=\"Abstract \u00a0 \u00a0 \u00a0 \u00a0 The upgradation of methane in biogas by hydrogenation of CO2 has been currently recognized as a promising route for efficient full utilization of renewable biogas with potential benefits for storage of renewable hydrogen energy and abatement of greenhouse gas emission. As a main constituent of biogas, CO2 can act as\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.bcgresearchcenter.cusri.chula.ac.th\/en\/upgradation-of-methane-in-the-biogas-by-hydrogenation-of-co2-in-a-prototype-reactor-with-double-pass-operation-over-optimized-ni\u2011ce-al\u2011mcm\u201141-catalyst\/\" \/>\n<meta property=\"og:site_name\" content=\"cusri\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-05T10:35:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-05T10:35:18+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.bcgresearchcenter.cusri.chula.ac.th\/wp-content\/uploads\/2023\/08\/24.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"785\" \/>\n\t<meta property=\"og:image:height\" content=\"407\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cusri\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"cusri\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.bcgresearchcenter.cusri.chula.ac.th\/en\/upgradation-of-methane-in-the-biogas-by-hydrogenation-of-co2-in-a-prototype-reactor-with-double-pass-operation-over-optimized-ni%e2%80%91ce-al%e2%80%91mcm%e2%80%9141-catalyst\/\",\"url\":\"http:\/\/www.bcgresearchcenter.cusri.chula.ac.th\/en\/upgradation-of-methane-in-the-biogas-by-hydrogenation-of-co2-in-a-prototype-reactor-with-double-pass-operation-over-optimized-ni%e2%80%91ce-al%e2%80%91mcm%e2%80%9141-catalyst\/\",\"name\":\"Upgradation of methane in the biogas by hydrogenation of \u00adCO2 in a prototype reactor with double pass operation over optimized Ni\u2011Ce\/Al\u2011MCM\u201141 catalyst - 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