{"id":"https://openalex.org/W4411061602","doi":"https://doi.org/10.3390/pr13061795","title":"Active Sites in Low-Loaded Copper-Exchanged Mordenite: Spectroscopic and Stability Study for Methane Oxidation Using Mild Conditions","display_name":"Active Sites in Low-Loaded Copper-Exchanged Mordenite: Spectroscopic and Stability Study for Methane Oxidation Using Mild Conditions","publication_year":2025,"publication_date":"2025-06-05","ids":{"openalex":"https://openalex.org/W4411061602","doi":"https://doi.org/10.3390/pr13061795"},"language":"en","primary_location":{"id":"doi:10.3390/pr13061795","doi":"https://doi.org/10.3390/pr13061795","is_oa":true,"landing_page_url":"https://doi.org/10.3390/pr13061795","pdf_url":"https://www.mdpi.com/2227-9717/13/6/1795/pdf?version=1749194148","source":{"id":"https://openalex.org/S4210201879","display_name":"Processes","issn_l":"2227-9717","issn":["2227-9717"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2227-9717/13/6/1795/pdf?version=1749194148","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5011763255","display_name":"Rodrigo Mojica","orcid":"https://orcid.org/0000-0002-7091-3791","observed_orcids":["https://orcid.org/0000-0002-7091-3791"]},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"Rodrigo Mojica","raw_affiliation_strings":["Centro de Investigaci\u00f3n en Ciencia Aplicada y Tecnolog\u00eda Avanzada, Instituto Polit\u00e9cnico Nacional, Calz Legaria 694, Col. Irrigaci\u00f3n, Miguel Hidalgo, Ciudad de M\u00e9xico 11500, Mexico"],"raw_orcid":"https://orcid.org/0000-0002-7091-3791","affiliations":[{"raw_affiliation_string":"Centro de Investigaci\u00f3n en Ciencia Aplicada y Tecnolog\u00eda Avanzada, Instituto Polit\u00e9cnico Nacional, Calz Legaria 694, Col. Irrigaci\u00f3n, Miguel Hidalgo, Ciudad de M\u00e9xico 11500, Mexico","institution_ids":["https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016974417","display_name":"M. Gonz\u00e1lez","orcid":"https://orcid.org/0000-0001-7001-0958","observed_orcids":["https://orcid.org/0000-0001-7001-0958"]},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Marlene Gonz\u00e1lez-Montiel","raw_affiliation_strings":["Centro de Investigaci\u00f3n en Ciencia Aplicada y Tecnolog\u00eda Avanzada, Instituto Polit\u00e9cnico Nacional, Calz Legaria 694, Col. Irrigaci\u00f3n, Miguel Hidalgo, Ciudad de M\u00e9xico 11500, Mexico"],"raw_orcid":"https://orcid.org/0000-0001-7001-0958","affiliations":[{"raw_affiliation_string":"Centro de Investigaci\u00f3n en Ciencia Aplicada y Tecnolog\u00eda Avanzada, Instituto Polit\u00e9cnico Nacional, Calz Legaria 694, Col. Irrigaci\u00f3n, Miguel Hidalgo, Ciudad de M\u00e9xico 11500, Mexico","institution_ids":["https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089544414","display_name":"Daniel Ram\u00edrez\u2010Rosales","orcid":"https://orcid.org/0000-0001-7815-2029","observed_orcids":["https://orcid.org/0000-0001-7815-2029"]},"institutions":[{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Daniel Ram\u00edrez-Rosales","raw_affiliation_strings":["Escuela Superior de F\u00edsica y Matem\u00e1ticas, Instituto Polit\u00e9cnico Nacional, Avenida Instituto Polit\u00e9cnico Nacional s/n, Col. San Pedro Zacatenco, Del. Gustavo A. Madero, Ciudad de M\u00e9xico 07700, Mexico"],"raw_orcid":"https://orcid.org/0000-0001-7815-2029","affiliations":[{"raw_affiliation_string":"Escuela Superior de F\u00edsica y Matem\u00e1ticas, Instituto Polit\u00e9cnico Nacional, Avenida Instituto Polit\u00e9cnico Nacional s/n, Col. San Pedro Zacatenco, Del. Gustavo A. Madero, Ciudad de M\u00e9xico 07700, Mexico","institution_ids":["https://openalex.org/I59361560"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062938213","display_name":"P. M. Crespo","orcid":"https://orcid.org/0000-0003-0169-0579","observed_orcids":["https://orcid.org/0000-0003-0169-0579"]},"institutions":[{"id":"https://openalex.org/I4405258315","display_name":"Universidad Tecnol\u00f3gica de Iz\u00facar de Matamoros","ror":"https://ror.org/00f45ja95","country_code":"MX","type":"education","lineage":["https://openalex.org/I4405258315"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Paula M. Crespo-Barrera","raw_affiliation_strings":["Faculty Food Technology, Universidad Tecnol\u00f3gica de Iz\u00facar de Matamoros, Calle de la Reforma 168, Campestre la Paz, Iz\u00facar de Matamoros 74420, Mexico"],"raw_orcid":"https://orcid.org/0000-0003-0169-0579","affiliations":[{"raw_affiliation_string":"Faculty Food Technology, Universidad Tecnol\u00f3gica de Iz\u00facar de Matamoros, Calle de la Reforma 168, Campestre la Paz, Iz\u00facar de Matamoros 74420, Mexico","institution_ids":["https://openalex.org/I4405258315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015345154","display_name":"Amado Enrique Navarro-Fr\u00f3meta","orcid":"https://orcid.org/0000-0002-4827-0670","observed_orcids":["https://orcid.org/0000-0002-4827-0670"]},"institutions":[{"id":"https://openalex.org/I4405258315","display_name":"Universidad Tecnol\u00f3gica de Iz\u00facar de Matamoros","ror":"https://ror.org/00f45ja95","country_code":"MX","type":"education","lineage":["https://openalex.org/I4405258315"]}],"countries":["MX"],"is_corresponding":true,"raw_author_name":"Amado Enrique Navarro-Fr\u00f3meta","raw_affiliation_strings":["Faculty Food Technology, Universidad Tecnol\u00f3gica de Iz\u00facar de Matamoros, Calle de la Reforma 168, Campestre la Paz, Iz\u00facar de Matamoros 74420, Mexico"],"raw_orcid":"https://orcid.org/0000-0002-4827-0670","affiliations":[{"raw_affiliation_string":"Faculty Food Technology, Universidad Tecnol\u00f3gica de Iz\u00facar de Matamoros, Calle de la Reforma 168, Campestre la Paz, Iz\u00facar de Matamoros 74420, Mexico","institution_ids":["https://openalex.org/I4405258315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5011763255","https://openalex.org/A5015345154"],"corresponding_institution_ids":["https://openalex.org/I4405258315","https://openalex.org/I59361560"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2896},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2896},"fwci":0.1244,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.18072533,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"13","issue":"6","first_page":"1795","last_page":"1795"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11825","display_name":"Catalysis and Oxidation Reactions","score":0.5102999806404114,"subfield":{"id":"https://openalex.org/subfields/1503","display_name":"Catalysis"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11825","display_name":"Catalysis and Oxidation Reactions","score":0.5102999806404114,"subfield":{"id":"https://openalex.org/subfields/1503","display_name":"Catalysis"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10192","display_name":"Catalytic Processes in Materials Science","score":0.2401999980211258,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10353","display_name":"Zeolite Catalysis and Synthesis","score":0.1468999981880188,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/methane-oxidation","display_name":"methane oxidation","score":0.6439999938011169},{"id":"https://openalex.org/keywords/trinuclear-copper-cluster","display_name":"trinuclear copper cluster","score":0.7329999804496765},{"id":"https://openalex.org/keywords/copper-active-sites","display_name":"copper active sites","score":0.5649999976158142},{"id":"https://openalex.org/keywords/calcination","display_name":"calcination","score":0.8270000219345093},{"id":"https://openalex.org/keywords/methanol-conversion","display_name":"methanol conversion","score":0.6949999928474426},{"id":"https://openalex.org/keywords/catalyst-stability","display_name":"catalyst stability","score":0.6470000147819519},{"id":"https://openalex.org/keywords/mild-reaction-conditions","display_name":"mild reaction conditions","score":0.5320000052452087},{"id":"https://openalex.org/keywords/zeolite-catalysts","display_name":"zeolite catalysts","score":0.597000002861023}],"concepts":[{"id":"https://openalex.org/C2777924179","wikidata":"https://www.wikidata.org/wiki/Q422058","display_name":"Mordenite","level":4,"score":0.9198637008666992},{"id":"https://openalex.org/C516920438","wikidata":"https://www.wikidata.org/wiki/Q37129","display_name":"Methane","level":2,"score":0.7371777296066284},{"id":"https://openalex.org/C544778455","wikidata":"https://www.wikidata.org/wiki/Q753","display_name":"Copper","level":2,"score":0.7349171042442322},{"id":"https://openalex.org/C104577883","wikidata":"https://www.wikidata.org/wiki/Q4065016","display_name":"Anaerobic oxidation of methane","level":3,"score":0.6771947145462036},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.4583991467952728},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4314868748188019},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.35427576303482056},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.3393930196762085},{"id":"https://openalex.org/C2778077586","wikidata":"https://www.wikidata.org/wiki/Q181332","display_name":"Zeolite","level":3,"score":0.2627570331096649},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.18751856684684753},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.1151057779788971}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3390/pr13061795","doi":"https://doi.org/10.3390/pr13061795","is_oa":true,"landing_page_url":"https://doi.org/10.3390/pr13061795","pdf_url":"https://www.mdpi.com/2227-9717/13/6/1795/pdf?version=1749194148","source":{"id":"https://openalex.org/S4210201879","display_name":"Processes","issn_l":"2227-9717","issn":["2227-9717"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.3390/pr13061795","doi":"https://doi.org/10.3390/pr13061795","is_oa":true,"landing_page_url":"https://doi.org/10.3390/pr13061795","pdf_url":"https://www.mdpi.com/2227-9717/13/6/1795/pdf?version=1749194148","source":{"id":"https://openalex.org/S4210201879","display_name":"Processes","issn_l":"2227-9717","issn":["2227-9717"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G6311375134","display_name":null,"funder_award_id":"225115","funder_id":"https://openalex.org/F4320321739","funder_display_name":"Consejo Nacional de Ciencia y Tecnolog\u00eda"}],"funders":[{"id":"https://openalex.org/F4320321739","display_name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","ror":"https://ror.org/059ex5q34"},{"id":"https://openalex.org/F4320331036","display_name":"Instituto Potosino de Investigaci\u00f3n Cient\u00edfica y Tecnol\u00f3gica","ror":"https://ror.org/03sbzv212"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4411061602.pdf","grobid_xml":"https://content.openalex.org/works/W4411061602.grobid-xml"},"referenced_works_count":75,"referenced_works":["https://openalex.org/W639276983","https://openalex.org/W1959678991","https://openalex.org/W1973414664","https://openalex.org/W1981763423","https://openalex.org/W1988726984","https://openalex.org/W1997079500","https://openalex.org/W2011607516","https://openalex.org/W2017828852","https://openalex.org/W2019183479","https://openalex.org/W2021360645","https://openalex.org/W2029887802","https://openalex.org/W2037692687","https://openalex.org/W2042650256","https://openalex.org/W2051404429","https://openalex.org/W2053428471","https://openalex.org/W2056132893","https://openalex.org/W2065096377","https://openalex.org/W2069091597","https://openalex.org/W2069503178","https://openalex.org/W2073585023","https://openalex.org/W2078341787","https://openalex.org/W2090814853","https://openalex.org/W2093322169","https://openalex.org/W2094425997","https://openalex.org/W2097464452","https://openalex.org/W2099067421","https://openalex.org/W2101309960","https://openalex.org/W2102618078","https://openalex.org/W2142383492","https://openalex.org/W2162783646","https://openalex.org/W2216852268","https://openalex.org/W2308750225","https://openalex.org/W2324145846","https://openalex.org/W2325504783","https://openalex.org/W2326125040","https://openalex.org/W2496375899","https://openalex.org/W2551555147","https://openalex.org/W2562726782","https://openalex.org/W2585646429","https://openalex.org/W2611645040","https://openalex.org/W2612369154","https://openalex.org/W2751158152","https://openalex.org/W2766925146","https://openalex.org/W2803376014","https://openalex.org/W2806249940","https://openalex.org/W2809928134","https://openalex.org/W2885487707","https://openalex.org/W2894722066","https://openalex.org/W2920899382","https://openalex.org/W2924457446","https://openalex.org/W2953110378","https://openalex.org/W2972264732","https://openalex.org/W2991528000","https://openalex.org/W3007650050","https://openalex.org/W3023776407","https://openalex.org/W3118442869","https://openalex.org/W3120129963","https://openalex.org/W3120627879","https://openalex.org/W3120741794","https://openalex.org/W3128241190","https://openalex.org/W3159700292","https://openalex.org/W3168354836","https://openalex.org/W3169990889","https://openalex.org/W3183951537","https://openalex.org/W3199529692","https://openalex.org/W3199900125","https://openalex.org/W4236945275","https://openalex.org/W4292858498","https://openalex.org/W4293225844","https://openalex.org/W4313478115","https://openalex.org/W4317356881","https://openalex.org/W4319080659","https://openalex.org/W4320724381","https://openalex.org/W4376868818","https://openalex.org/W4383877298"],"related_works":["https://openalex.org/W4233816647","https://openalex.org/W3120741794","https://openalex.org/W4311764817","https://openalex.org/W4293196209","https://openalex.org/W2021360645","https://openalex.org/W2920899382","https://openalex.org/W2330579778","https://openalex.org/W2941751009","https://openalex.org/W2216852268","https://openalex.org/W4234462915"],"abstract_inverted_index":{"Low-loaded":[0],"copper-exchanged":[1],"mordenite":[2],"samples":[3,20,96],"(3":[4],"wt.%":[5],"of":[6,48],"copper)":[7],"were":[8,21,33,97,147],"prepared":[9],"by":[10],"a":[11,25,57,64,129,136,172],"solid-state":[12],"milling":[13],"method":[14],"using":[15,68,116],"controlled":[16],"conditions.":[17,119],"The":[18,94,120],"milled":[19],"then":[22,182],"submitted":[23],"to":[24,36],"calcination":[26,173],"process":[27,86],"where":[28],"trimeric":[29],"copper":[30,112,123,131,160],"active":[31,50,98,124,132,161],"species":[32,146],"formed,":[34],"according":[35],"XPS,":[37],"EPR,":[38],"IR,":[39],"and":[40,82,135,149],"UV\u2013vis":[41],"recorded":[42],"spectra.":[43],"To":[44],"verify":[45],"the":[46,49,109,185],"interaction":[47],"site":[51],"with":[52,90],"methane":[53,140],"at":[54,75,87],"mild":[55,69],"conditions,":[56,104],"test":[58],"experimental":[59,118,188],"design":[60],"was":[61],"developed":[62],"in":[63,78,99,102,175],"batch":[65,103],"reactor":[66],"configuration":[67],"two-step":[70],"conditions:":[71],"(1)":[72],"activation":[73],"temperature":[74],"400":[76],"\u00b0C":[77,89],"an":[79,176],"air":[80,177],"atmosphere,":[81],"(2)":[83],"isothermal":[84],"conversion":[85,101],"200":[88],"6":[91],"bar":[92],"methane.":[93],"analyzed":[95],"methanol":[100],"nonetheless":[105],"less":[106],"efficient":[107],"than":[108],"usually":[110],"reported":[111,122],"mono":[113],"\u03bc-oxo":[114],"sites":[115,125,162],"harder":[117],"herein":[121],"are":[126],"as":[127,143],"follows:":[128],"trinuclear":[130,159],"cluster":[133],"[Cu3(\u03bc-O)3]2+":[134],"possible":[137],"intermediate":[138],"during":[139,184],"contact":[141],"detected":[142],"bis(\u03bc-oxo)":[144],"dicopper":[145],"identified":[148],"studied":[150],"on":[151],"each":[152],"reaction":[153],"step.":[154],"This":[155],"study":[156],"revealed":[157],"that":[158],"can":[163],"be":[164],"obtained":[165],"through":[166],"grinding.":[167],"Nonetheless,":[168],"they":[169],"stabilize":[170],"after":[171],"stage":[174],"atmosphere.":[178],"Their":[179],"stability":[180],"is":[181],"maintained":[183],"whole":[186],"cyclic":[187],"test,":[189],"suggesting":[190],"their":[191],"potential":[192],"use":[193],"for":[194],"multicyclic":[195],"processes.":[196]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2025-10-10T00:00:00"}
