{"id":"https://openalex.org/W7127050822","doi":"https://doi.org/10.62972/1726-4685.2026.1.115","title":"Low-temperature isomerization of n-hexane over anion-modified zirconium dioxide catalysts","display_name":"Low-temperature isomerization of n-hexane over anion-modified zirconium dioxide catalysts","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7127050822","doi":"https://doi.org/10.62972/1726-4685.2026.1.115"},"language":"en","primary_location":{"id":"doi:10.62972/1726-4685.2026.1.115","doi":"https://doi.org/10.62972/1726-4685.2026.1.115","is_oa":true,"landing_page_url":"https://doi.org/10.62972/1726-4685.2026.1.115","pdf_url":"https://ppor.az/index.php/ppor/article/download/632/556/715","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes of Petrochemistry and Oil Refining","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://ppor.az/index.php/ppor/article/download/632/556/715","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100085558","display_name":"Malahat T. Mammadova","orcid":"https://orcid.org/0000-0002-1714-8111","observed_orcids":["https://orcid.org/0000-0002-1714-8111"]},"institutions":[{"id":"https://openalex.org/I4210115115","display_name":"Ministry of Science and Education Republic of Azerbaijan","ror":"https://ror.org/022arna15","country_code":"AZ","type":"government","lineage":["https://openalex.org/I4210115115"]},{"id":"https://openalex.org/I4210154746","display_name":"Institute of Petrochemical Processes Named after Academician Y.H.Mamedaliyev","ror":"https://ror.org/04r6r5p42","country_code":"AZ","type":"facility","lineage":["https://openalex.org/I4210115115","https://openalex.org/I4210154746"]}],"countries":["AZ"],"is_corresponding":false,"raw_author_name":"Malahat T. Mammadova","raw_affiliation_strings":["Institute of Petrochemical Processes of the Ministry of Science and Education of the Republic of Azerbaijan , AZ 1025 , Baku , 30 Khojaly ave "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Petrochemical Processes of the Ministry of Science and Education of the Republic of Azerbaijan , AZ 1025 , Baku , 30 Khojaly ave ","institution_ids":["https://openalex.org/I4210115115","https://openalex.org/I4210154746"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034330509","display_name":"Safa I. Abasov","orcid":"https://orcid.org/0000-0002-2027-0273","observed_orcids":["https://orcid.org/0000-0002-2027-0273"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Safa I.Abasov","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043076944","display_name":"Yegana S. Isayeva","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yegana S.Isayeva","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085513744","display_name":"R. R. Zarbaliyev","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rizvan R.Zarbaliyev","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5117853428","display_name":"Aytan A. Iskanderova","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Aytan A.Iskanderova","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047484281","display_name":"Arzu A. Imanova","orcid":"https://orcid.org/0000-0003-3358-958X","observed_orcids":["https://orcid.org/0000-0003-3358-958X"]},"institutions":[{"id":"https://openalex.org/I4210115115","display_name":"Ministry of Science and Education Republic of Azerbaijan","ror":"https://ror.org/022arna15","country_code":"AZ","type":"government","lineage":["https://openalex.org/I4210115115"]},{"id":"https://openalex.org/I4210154746","display_name":"Institute of Petrochemical Processes Named after Academician Y.H.Mamedaliyev","ror":"https://ror.org/04r6r5p42","country_code":"AZ","type":"facility","lineage":["https://openalex.org/I4210115115","https://openalex.org/I4210154746"]}],"countries":["AZ"],"is_corresponding":false,"raw_author_name":"Arzu A. Imanova","raw_affiliation_strings":["Institute of Petrochemical Processes of the Ministry of Science and Education of the Republic of Azerbaijan , AZ 1025 , Baku , 30 Khojaly ave "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Petrochemical Processes of the Ministry of Science and Education of the Republic of Azerbaijan , AZ 1025 , Baku , 30 Khojaly ave ","institution_ids":["https://openalex.org/I4210115115","https://openalex.org/I4210154746"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5055369145","display_name":"T.I. Suleymanova","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210115115","display_name":"Ministry of Science and Education Republic of Azerbaijan","ror":"https://ror.org/022arna15","country_code":"AZ","type":"government","lineage":["https://openalex.org/I4210115115"]},{"id":"https://openalex.org/I4210154746","display_name":"Institute of Petrochemical Processes Named after Academician Y.H.Mamedaliyev","ror":"https://ror.org/04r6r5p42","country_code":"AZ","type":"facility","lineage":["https://openalex.org/I4210115115","https://openalex.org/I4210154746"]}],"countries":["AZ"],"is_corresponding":false,"raw_author_name":"Turaj I. Suleymanova","raw_affiliation_strings":["Institute of Petrochemical Processes of the Ministry of Science and Education of the Republic of Azerbaijan , AZ 1025 , Baku , 30 Khojaly ave "],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Petrochemical Processes of the Ministry of Science and Education of the Republic of Azerbaijan , AZ 1025 , Baku , 30 Khojaly ave ","institution_ids":["https://openalex.org/I4210115115","https://openalex.org/I4210154746"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":"01","first_page":"115","last_page":"115"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10353","display_name":"Zeolite Catalysis and Synthesis","score":0.9980000257492065,"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"}},"topics":[{"id":"https://openalex.org/T10353","display_name":"Zeolite Catalysis and Synthesis","score":0.9980000257492065,"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"}},{"id":"https://openalex.org/T11825","display_name":"Catalysis and Oxidation Reactions","score":0.0012000000569969416,"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/T11351","display_name":"Catalysis and Hydrodesulfurization Studies","score":0.00019999999494757503,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/n-hexane-isomerization","display_name":"n-hexane isomerization","score":0.9900000095367432},{"id":"https://openalex.org/keywords/low-temperature-catalysis","display_name":"low-temperature catalysis","score":0.7310000061988831},{"id":"https://openalex.org/keywords/tungstate-anions","display_name":"tungstate anions","score":0.9760000109672546},{"id":"https://openalex.org/keywords/sulfate-anion","display_name":"sulfate anion","score":0.9350000023841858},{"id":"https://openalex.org/keywords/catalyst-stability","display_name":"catalyst stability","score":0.8989999890327454},{"id":"https://openalex.org/keywords/hydroconversion","display_name":"hydroconversion","score":0.546999990940094}],"concepts":[{"id":"https://openalex.org/C126661725","wikidata":"https://www.wikidata.org/wiki/Q903420","display_name":"Isomerization","level":3,"score":0.7922999858856201},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.7003999948501587},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6399000287055969},{"id":"https://openalex.org/C530467964","wikidata":"https://www.wikidata.org/wiki/Q1997","display_name":"Carbon dioxide","level":2,"score":0.46860000491142273},{"id":"https://openalex.org/C2779203111","wikidata":"https://www.wikidata.org/wiki/Q36200","display_name":"Zirconium dioxide","level":2,"score":0.46299999952316284},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.4196999967098236},{"id":"https://openalex.org/C534791751","wikidata":"https://www.wikidata.org/wiki/Q1038","display_name":"Zirconium","level":2,"score":0.41620001196861267},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.29739999771118164},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2782999873161316},{"id":"https://openalex.org/C2780447027","wikidata":"https://www.wikidata.org/wiki/Q5282","display_name":"Sulfur dioxide","level":2,"score":0.2669000029563904},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.25119999051094055}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.62972/1726-4685.2026.1.115","doi":"https://doi.org/10.62972/1726-4685.2026.1.115","is_oa":true,"landing_page_url":"https://doi.org/10.62972/1726-4685.2026.1.115","pdf_url":"https://ppor.az/index.php/ppor/article/download/632/556/715","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes of Petrochemistry and Oil Refining","raw_type":"journal-article"},{"id":"pmh:oai:ojs2.ppor.az:article/632","doi":null,"is_oa":true,"landing_page_url":"https://ppor.az/index.php/ppor/article/view/632","pdf_url":"https://ppor.az/index.php/ppor/article/download/632/556","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"1726-4685","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.62972/1726-4685.2026.1.115","doi":"https://doi.org/10.62972/1726-4685.2026.1.115","is_oa":true,"landing_page_url":"https://doi.org/10.62972/1726-4685.2026.1.115","pdf_url":"https://ppor.az/index.php/ppor/article/download/632/556/715","source":{"id":"https://openalex.org/S4387290161","display_name":"PPOR","issn_l":"1726-4685","issn":["1726-4685","2519-2876"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["dongbi-c","poland-20","russia-white-list-4"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Processes of Petrochemistry and Oil Refining","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7127050822.pdf","grobid_xml":"https://content.openalex.org/works/W7127050822.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4411090947","https://openalex.org/W1966179328","https://openalex.org/W7096899396","https://openalex.org/W2076331807","https://openalex.org/W6930284425","https://openalex.org/W2045070509","https://openalex.org/W1988911911","https://openalex.org/W1979902316","https://openalex.org/W2031078887","https://openalex.org/W82984284"],"abstract_inverted_index":{"Catalytic":[0],"systems":[1],"based":[2],"on":[3,28,64,192,214,231],"anion-modified":[4],"zirconium":[5],"dioxide":[6],"and":[7,13,22,34,49,59,81,89,97,119,125,156,168,184,203,234,256,266,300,321],"metalmodified":[8],"HMFI":[9],"zeolite":[10,225],"were":[11,37,128,140,194],"synthesized":[12],"the":[14,57,60,71,93,109,131,175,180,185,188,198,201,204,208,222,232,235,239,250,295,317,322],"isomerization":[15],"hydroconversion":[16,181],"of":[17,62,95,108,123,150,165,182,187,190,197,207,224,238,252,263,269,287,297,311,319,324],"n-hexane":[18,63,191,253],"at":[19,85,153,247,254],"atmospheric":[20,258],"pressure":[21,259],"low":[23],"temperature":[24],"(160-230\uf0b0C)":[25],"was":[26,172,217,219],"studied":[27],"these":[29,65],"systems.Tungsten,":[30],"sulfate,":[31],"orthophosphate,":[32],"nitrate":[33,48],"perchlorate":[35,50],"anions":[36,51,76,103,127],"taken":[38],"as":[39,130,174],"modifying":[40,134],"anions.It":[41],"is":[42,68,90,289,302,307,327],"known":[43],"that":[44,221,306,314],"catalysts":[45,112,115,143,158],"modified":[46,73,136,144,159],"with":[47,74,101,117,137,145,160,226,260,316],"quickly":[52],"lose":[53],"their":[54,151],"activity":[55,107,216],"during":[56],"reaction":[58,305],"conversion":[61,94,189,262],"catalysts,":[66],"isoselectivity":[67,80,167,230,268],"not":[69],"high.Although":[70],"catalyst":[72,171,178,202,209,240],"tungstate":[75,118,146,279],"shows":[77],"high":[78,87,106,229],"activity,":[79],"stability,":[82],"it":[83,193],"operates":[84],"relatively":[86],"temperatures":[88],"suitable":[91],"for":[92,179,294],"C7":[96],"higher":[98],"alkanes.Although":[99],"modification":[100,223],"sulfate":[102,161],"leads":[104],"to":[105,142,157],"catalyst,":[110,233],"such":[111],"lag":[113],"behind":[114],"treated":[116],"orthophosphate":[120,281],"in":[121,148,163,200,210,243,257,292],"terms":[122,149,164],"stability":[124],"isoselectivity.Orthophosphate":[126],"chosen":[129,173],"most":[132,176],"optimal":[133],"anion.Catalysts":[135],"this":[138],"anion":[139,147,162,274],"superior":[141],"operation":[152],"lower":[154],"temperatures,":[155],"both":[166,298],"stability.An":[169],"orthophosphate-modified":[170],"effective":[177],"n-hexane,":[183,283],"regularities":[186],"studied.The":[195],"effect":[196],"metal":[199],"preliminary":[205,236],"treatment":[206,237],"a":[211,244,261,303,308,328],"hydrogen":[212,245],"environment":[213,246],"its":[215],"investigated.It":[218],"found":[220],"Co":[227,242],"provides":[228],"containing":[241],"500\uf0b0C":[248],"allows":[249],"transformation":[251],"180\uf0b0C":[255],"about":[264],"70%":[265],"an":[267],"more":[270],"than":[271],"90%":[272],"Keywords:":[273],"modification,":[275],"isomerization,":[276],"sulfur":[277],"anion,":[278,280,282],"high-octane":[284],"gasoline":[285],"componentIsomerization":[286],"hydrocarbons":[288],"widely":[290],"used":[291],"industry":[293],"production":[296],"fuels":[299],"petrochemicals.Isomerization":[301],"chemical":[304],"special":[309],"type":[310],"molecular":[312],"rearrangement":[313],"occurs":[315],"breaking":[318],"bonds":[320],"formation":[323],"new":[325],"bonds.This":[326]},"counts_by_year":[],"updated_date":"2026-10-22T18:32:59.640997","created_date":"2026-02-03T00:00:00"}