{"id":"https://openalex.org/W7165171685","doi":"https://doi.org/10.83043/zv41rg22","title":"Upgrading the coking properties of Lamza coal by adding bitumen","display_name":"Upgrading the coking properties of Lamza coal by adding bitumen","publication_year":2026,"publication_date":"2026-06-18","ids":{"openalex":"https://openalex.org/W7165171685","doi":"https://doi.org/10.83043/zv41rg22"},"language":"en","primary_location":{"id":"doi:10.83043/zv41rg22","doi":"https://doi.org/10.83043/zv41rg22","is_oa":true,"landing_page_url":"https://doi.org/10.83043/zv41rg22","pdf_url":null,"source":{"id":"https://openalex.org/S7407060348","display_name":"JORMAR","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210152971","host_organization_name":"Eko-Konnect","host_organization_lineage":["https://openalex.org/I4210152971"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"volume":null,"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.83043/zv41rg22","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5138919407","display_name":"A. A. O. Adeleke","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I45711476","display_name":"Obafemi Awolowo University","ror":"https://ror.org/04snhqa82","country_code":"NG","type":"education","lineage":["https://openalex.org/I45711476"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Adeleke, A. A. O.","raw_affiliation_strings":["Department of Materials Science and Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Materials Science and Engineering, Obafemi Awolowo University, Ile-Ife, Nigeria","institution_ids":["https://openalex.org/I45711476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5132718439","display_name":"J. A. Ajayi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I180664298","display_name":"Federal University of Technology","ror":"https://ror.org/01pvx8v81","country_code":"NG","type":"education","lineage":["https://openalex.org/I180664298"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Ajayi, J. A","raw_affiliation_strings":["Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Metallurgical and Materials Engineering, Federal University of Technology, Akure, Nigeria","institution_ids":["https://openalex.org/I180664298"]}]}],"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":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.38173302,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T14428","display_name":"Coal and Coke Industries Research","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T14428","display_name":"Coal and Coke Industries Research","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11284","display_name":"Coal Properties and Utilization","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12218","display_name":"Coal and Its By-products","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/coke-production","display_name":"coke production","score":0.5299999713897705},{"id":"https://openalex.org/keywords/free-swelling-index","display_name":"free swelling index","score":0.8100000023841858},{"id":"https://openalex.org/keywords/nigerian-coal","display_name":"Nigerian coal","score":0.652999997138977},{"id":"https://openalex.org/keywords/australian-coals","display_name":"Australian coals","score":0.9300000071525574}],"concepts":[{"id":"https://openalex.org/C518851703","wikidata":"https://www.wikidata.org/wiki/Q24489","display_name":"Coal","level":2,"score":0.8472999930381775},{"id":"https://openalex.org/C2780385392","wikidata":"https://www.wikidata.org/wiki/Q192795","display_name":"Coke","level":2,"score":0.729200005531311},{"id":"https://openalex.org/C168056786","wikidata":"https://www.wikidata.org/wiki/Q202251","display_name":"Asphalt","level":2,"score":0.7093999981880188},{"id":"https://openalex.org/C2911204943","wikidata":"https://www.wikidata.org/wiki/Q732607","display_name":"Bituminous coal","level":3,"score":0.5472000241279602},{"id":"https://openalex.org/C2780539549","wikidata":"https://www.wikidata.org/wiki/Q7252857","display_name":"Proximate","level":2,"score":0.5442000031471252},{"id":"https://openalex.org/C140205800","wikidata":"https://www.wikidata.org/wiki/Q5860","display_name":"Carbon fibers","level":3,"score":0.4794999957084656},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4602000117301941},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.4426000118255615},{"id":"https://openalex.org/C156383657","wikidata":"https://www.wikidata.org/wiki/Q902126","display_name":"Heat of combustion","level":3,"score":0.4284000098705292},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.392300009727478},{"id":"https://openalex.org/C518881349","wikidata":"https://www.wikidata.org/wiki/Q682","display_name":"Sulfur","level":2,"score":0.37279999256134033},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.34599998593330383},{"id":"https://openalex.org/C127404614","wikidata":"https://www.wikidata.org/wiki/Q909123","display_name":"Petroleum coke","level":3,"score":0.33899998664855957},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.3215999901294708},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.2946000099182129},{"id":"https://openalex.org/C169783227","wikidata":"https://www.wikidata.org/wiki/Q5377228","display_name":"Energy value of coal","level":4,"score":0.2770000100135803},{"id":"https://openalex.org/C21434488","wikidata":"https://www.wikidata.org/wiki/Q900614","display_name":"Carbochemistry","level":4,"score":0.2662999927997589},{"id":"https://openalex.org/C171017739","wikidata":"https://www.wikidata.org/wiki/Q5141711","display_name":"Coke strength after reaction","level":4,"score":0.2531999945640564}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.83043/zv41rg22","doi":"https://doi.org/10.83043/zv41rg22","is_oa":true,"landing_page_url":"https://doi.org/10.83043/zv41rg22","pdf_url":null,"source":{"id":"https://openalex.org/S7407060348","display_name":"JORMAR","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210152971","host_organization_name":"Eko-Konnect","host_organization_lineage":["https://openalex.org/I4210152971"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"JournalArticle"}],"best_oa_location":{"id":"doi:10.83043/zv41rg22","doi":"https://doi.org/10.83043/zv41rg22","is_oa":true,"landing_page_url":"https://doi.org/10.83043/zv41rg22","pdf_url":null,"source":{"id":"https://openalex.org/S7407060348","display_name":"JORMAR","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210152971","host_organization_name":"Eko-Konnect","host_organization_lineage":["https://openalex.org/I4210152971"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"score":0.41442734003067017,"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Proximate":[0,41],"analysis,":[1],"free":[2],"swelling":[3],"index,":[4],"Gieseler":[5,78,136,190],"plastometry":[6,79],"and":[7,17,53,62,75,86,145,174],"Ruhr":[8,97],"dilatometry":[9],"characteristics":[10],"of":[11,24,38,43,57,67,115,138,143,148,153,172,177,181,200],"the":[12,35,39,121,160],"weakly":[13],"coming":[14],"Nigeria":[15],"Lamza":[16,44,84,99,122],"Australian":[18,68,94,107,157,185],"coals":[19,201],"were":[20,28],"determined.":[21],"Various":[22],"proportions":[23],"washed":[25],"Ondo":[26],"bitumen":[27,155,183],"added":[29],"as":[30],"coking":[31],"additives":[32],"to":[33,130,164,184,192],"improve":[34],"plastic":[36],"properties":[37],"coals.":[40],"analysis":[42],"samples":[45,85,100],"gave":[46,70,80],"average":[47],"moisture,":[48],"ash,":[49],"volatile":[50],"matter,":[51],"sulphur":[52],"fixed":[54],"carbon":[55],"values":[56,196],"1.86%,":[58],"11.17%,":[59],"43.50%,":[60],"0.81%":[61],"56.50%,":[63],"respectively;":[64],"while":[65,106],"that":[66],"coal":[69,108,123,158,186],"1.03%,":[71],"5.65%,":[72],"30.52%.":[73],"0.22%":[74],"67.80%,":[76],"respectively.":[77],"zero":[81],"fluidity":[82,137,191],"for":[83,93,202],"2,100":[87],"dial":[88],"division":[89],"per":[90],"minute":[91],"(ddpm)":[92],"sample.":[95],"For":[96],"dilatation,":[98],"contracted":[101,109],"only":[102],"by":[103,110],"about":[104],"13%":[105],"-14%":[111],"with":[112,134,168],"a":[113,135,175],"dilatation":[114,142,171],"-8%.":[116],"On":[117],"adding":[118],"15%":[119,182],"bitumen,":[120],"was":[124],"upgraded":[125],"from":[126,159],"ISO":[127,131,161,165],"No":[128,132,162,166],"811":[129],"812":[133],"223":[139],"ddpm,":[140],"absolute":[141,170],"18%":[144],"G-":[146],"value":[147],"0.971.":[149],"Also,":[150],"an":[151,169],"addition":[152,180],"10%":[154],"improved":[156],"522":[163],"523,":[167],"36%":[173],"G-value":[176],"1.024.":[178],"An":[179],"drastically":[187],"raised":[188],"its":[189],"19,100ddpm.":[193],"The":[194],"G":[195],"obtained":[197],"are":[198],"characteristic":[199],"coke":[203],"making.":[204]},"counts_by_year":[],"updated_date":"2026-08-19T15:00:24.278416","created_date":"2026-06-19T00:00:00"}