{"id":"https://openalex.org/W4378908247","doi":"https://doi.org/10.1088/1755-1315/1187/1/012040","title":"The Effect of Variations in Methanol Concentration on the Esterification Process against Quality of Biodiesel from Used Cooking Oil","display_name":"The Effect of Variations in Methanol Concentration on the Esterification Process against Quality of Biodiesel from Used Cooking Oil","publication_year":2023,"publication_date":"2023-05-01","ids":{"openalex":"https://openalex.org/W4378908247","doi":"https://doi.org/10.1088/1755-1315/1187/1/012040"},"language":"en","primary_location":{"id":"doi:10.1088/1755-1315/1187/1/012040","doi":"https://doi.org/10.1088/1755-1315/1187/1/012040","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1755-1315/1187/1/012040","pdf_url":"https://iopscience.iop.org/article/10.1088/1755-1315/1187/1/012040/pdf","source":{"id":"https://openalex.org/S4210195883","display_name":"IOP Conference Series Earth and Environmental Science","issn_l":"1755-1315","issn":["1755-1315","1755-1307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IOP Conference Series: Earth and Environmental Science","raw_type":"journal-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://iopscience.iop.org/article/10.1088/1755-1315/1187/1/012040/pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028532729","display_name":"Mubarokah Nuriaini Dewi","orcid":"https://orcid.org/0000-0002-0060-3608","observed_orcids":["https://orcid.org/0000-0002-0060-3608"]},"institutions":[{"id":"https://openalex.org/I4210135348","display_name":"Universitas Jayabaya","ror":"https://ror.org/03g5gja16","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210135348"]}],"countries":["ID"],"is_corresponding":true,"raw_author_name":"Mubarokah Nuriaini Dewi","raw_affiliation_strings":["Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823","institution_ids":["https://openalex.org/I4210135348"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104123062","display_name":"Safana Tsabita Nurani Maulana","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135348","display_name":"Universitas Jayabaya","ror":"https://ror.org/03g5gja16","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210135348"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Safana Tsabita Nurani Maulana","raw_affiliation_strings":["Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823","institution_ids":["https://openalex.org/I4210135348"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5104123063","display_name":"Safira Tsafiqa Nurani Maulana","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135348","display_name":"Universitas Jayabaya","ror":"https://ror.org/03g5gja16","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210135348"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Safira Tsafiqa Nurani Maulana","raw_affiliation_strings":["Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823","institution_ids":["https://openalex.org/I4210135348"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080864214","display_name":"Michelle Sarah Sesira","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135348","display_name":"Universitas Jayabaya","ror":"https://ror.org/03g5gja16","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210135348"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Michelle Sarah Sesira","raw_affiliation_strings":["Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823","institution_ids":["https://openalex.org/I4210135348"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Muhammad Iqbal Husein Alamsyah","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135348","display_name":"Universitas Jayabaya","ror":"https://ror.org/03g5gja16","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210135348"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Muhammad Iqbal Husein Alamsyah","raw_affiliation_strings":["Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823","institution_ids":["https://openalex.org/I4210135348"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112926849","display_name":"Samuel Armawan Sandi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210135348","display_name":"Universitas Jayabaya","ror":"https://ror.org/03g5gja16","country_code":"ID","type":"education","lineage":["https://openalex.org/I4210135348"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Samuel Armawan Sandi","raw_affiliation_strings":["Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teknik Kimia-Universitas Jayabaya, Jln. Raya Bogor km 28,8 Cimanggis, Depok Telp. +62 21 8714823","institution_ids":["https://openalex.org/I4210135348"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5028532729"],"corresponding_institution_ids":["https://openalex.org/I4210135348"],"apc_list":null,"apc_paid":null,"fwci":1.0738,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.64123894,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":95},"biblio":{"volume":"1187","issue":"1","first_page":"012040","last_page":"012040"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10507","display_name":"Biodiesel Production and Applications","score":1.0,"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/T10507","display_name":"Biodiesel Production and Applications","score":1.0,"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/T11351","display_name":"Catalysis and Hydrodesulfurization Studies","score":0.0,"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/T10088","display_name":"Thermochemical Biomass Conversion Processes","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/waste-cooking-oil","display_name":"waste cooking oil","score":0.847000002861023},{"id":"https://openalex.org/keywords/biodiesel","display_name":"biodiesel","score":0.8489999771118164},{"id":"https://openalex.org/keywords/esterification","display_name":"esterification","score":0.843999981880188},{"id":"https://openalex.org/keywords/methanol-concentration","display_name":"methanol concentration","score":0.7919999957084656},{"id":"https://openalex.org/keywords/free-fatty-acids","display_name":"free fatty acids","score":0.656000018119812},{"id":"https://openalex.org/keywords/activated-carbon-adsorption","display_name":"activated carbon adsorption","score":0.9409999847412109},{"id":"https://openalex.org/keywords/degumming","display_name":"degumming","score":0.9480000138282776},{"id":"https://openalex.org/keywords/acid-value","display_name":"acid value","score":0.8560000061988831},{"id":"https://openalex.org/keywords/kinematic-viscosity","display_name":"kinematic viscosity","score":0.9279999732971191},{"id":"https://openalex.org/keywords/biodiesel-density","display_name":"biodiesel density","score":0.6290000081062317},{"id":"https://openalex.org/keywords/transesterification","display_name":"transesterification","score":0.8920000195503235}],"concepts":[{"id":"https://openalex.org/C52896960","wikidata":"https://www.wikidata.org/wiki/Q167947","display_name":"Biodiesel","level":3,"score":0.7880611419677734},{"id":"https://openalex.org/C2779607525","wikidata":"https://www.wikidata.org/wiki/Q14982","display_name":"Methanol","level":2,"score":0.6428328156471252},{"id":"https://openalex.org/C2777241282","wikidata":"https://www.wikidata.org/wiki/Q591576","display_name":"Transesterification","level":3,"score":0.6323388814926147},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5907881855964661},{"id":"https://openalex.org/C2994005212","wikidata":"https://www.wikidata.org/wiki/Q427457","display_name":"Cooking oil","level":4,"score":0.5691145062446594},{"id":"https://openalex.org/C206139338","wikidata":"https://www.wikidata.org/wiki/Q192355","display_name":"Raw material","level":2,"score":0.5299031734466553},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.5248028039932251},{"id":"https://openalex.org/C150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","level":2,"score":0.505863606929779},{"id":"https://openalex.org/C53477387","wikidata":"https://www.wikidata.org/wiki/Q907280","display_name":"Acid value","level":2,"score":0.49048683047294617},{"id":"https://openalex.org/C2779429693","wikidata":"https://www.wikidata.org/wiki/Q274959","display_name":"Distilled water","level":2,"score":0.4850010573863983},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.3597548305988312},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.34417086839675903},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.33995428681373596},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.17592227458953857},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.1250273585319519},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1088/1755-1315/1187/1/012040","doi":"https://doi.org/10.1088/1755-1315/1187/1/012040","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1755-1315/1187/1/012040","pdf_url":"https://iopscience.iop.org/article/10.1088/1755-1315/1187/1/012040/pdf","source":{"id":"https://openalex.org/S4210195883","display_name":"IOP Conference Series Earth and Environmental Science","issn_l":"1755-1315","issn":["1755-1315","1755-1307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IOP Conference Series: Earth and Environmental Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1088/1755-1315/1187/1/012040","doi":"https://doi.org/10.1088/1755-1315/1187/1/012040","is_oa":true,"landing_page_url":"https://doi.org/10.1088/1755-1315/1187/1/012040","pdf_url":"https://iopscience.iop.org/article/10.1088/1755-1315/1187/1/012040/pdf","source":{"id":"https://openalex.org/S4210195883","display_name":"IOP Conference Series Earth and Environmental Science","issn_l":"1755-1315","issn":["1755-1315","1755-1307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320083","host_organization_name":"IOP Publishing","host_organization_lineage":["https://openalex.org/P4310320083","https://openalex.org/P4310311669"],"host_organization_lineage_names":["IOP Publishing","Institute of Physics"],"type":"conference"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IOP Conference Series: Earth and Environmental Science","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.807699978351593,"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4378908247.pdf"},"referenced_works_count":12,"referenced_works":["https://openalex.org/W1606780089","https://openalex.org/W1608062501","https://openalex.org/W2053913267","https://openalex.org/W2064352813","https://openalex.org/W2141809069","https://openalex.org/W2181599074","https://openalex.org/W2465661009","https://openalex.org/W2480777318","https://openalex.org/W2772565254","https://openalex.org/W2773145021","https://openalex.org/W2784588224","https://openalex.org/W2925322802"],"related_works":["https://openalex.org/W1535152998","https://openalex.org/W4390735594","https://openalex.org/W4383653087","https://openalex.org/W2016664077","https://openalex.org/W4214570553","https://openalex.org/W2595043761","https://openalex.org/W1966727487","https://openalex.org/W1972742313","https://openalex.org/W1503152456","https://openalex.org/W2356143711"],"abstract_inverted_index":{"Abstract":[0],"Used":[1],"cooking":[2,25,47,75,103,113],"oil":[3,26,48,76,114],"has":[4],"the":[5,16,30,37,66,87,99,129,132,136,157,171,176,187],"potential":[6],"to":[7,122],"be":[8,50],"used":[9,24,46,74,102,112,134],"as":[10],"raw":[11],"material":[12],"for":[13,83],"biodiesel.":[14],"However,":[15],"high":[17],"Free":[18],"Fatty":[19],"Acid":[20],"(FFA)":[21],"content":[22,44],"in":[23,45],"can":[27],"interfere":[28],"with":[29,140,180],"transesterification":[31],"process.":[32],"This":[33],"issue":[34],"will":[35],"affect":[36],"quality":[38],"of":[39,101,111,125,138,143,183],"biodiesel":[40],"yields.":[41],"Therefore,":[42],"FFA":[43],"must":[49],"reduced":[51],"through":[52],"a":[53,123,141,181],"pre-treatment":[54],"process":[55,68,89],"by":[56,72,93,109,120],"adding":[57,94],"activated":[58,78],"carbon":[59,79],"adsorbent":[60],"from":[61,98,162],"charcoal.":[62],"In":[63,128,154],"this":[64,155],"study,":[65,156],"adsorption":[67],"was":[69,90,165,175,192],"carried":[70,91],"out":[71,92],"mixing":[73],"and":[77,115,152,186],"using":[80],"20%":[81],"NaOH":[82,108],"3":[84],"hours.":[85],"Then":[86,105],"degumming":[88],"0.5%":[95,107],"v/v":[96],"HCl":[97],"volume":[100],"oil.":[104],"add":[106],"weight":[110],"distilled":[116],"water":[117],"gradually,":[118],"accompanied":[119],"heating":[121],"temperature":[124],"120":[126],"\u00b0C.":[127],"esterification":[130],"stage,":[131],"variables":[133,164,179],"are":[135],"comparison":[137],"methanol":[139],"ratio":[142],"1:":[144,146,148,150,177],"2,":[145],"4,":[147],"6,":[149],"8,":[151],"1:10.":[153],"lower":[158],"acid":[159],"number":[160],"obtained":[161],"all":[163],"2,24":[166],"mg":[167],"KOH/g":[168],"sample.":[169],"Meanwhile,":[170],"most":[172],"optimal":[173],"result":[174],"2":[178],"density":[182],"0.8531":[184],"g/ml,":[185],"kinematic":[188],"viscosity":[189],"at":[190],"40\u00b0C":[191],"4.94":[193],"mm2/s.":[194]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2023-06-01T00:00:00"}
