{"id":"https://openalex.org/W2005122777","doi":"https://doi.org/10.14710/ijred.2.3.169-173","title":"Biodiesel Production from Kapok (Ceiba pentandra) Seed Oil using Naturally Alkaline Catalyst as an Effort of Green Energy and Technology","display_name":"Biodiesel Production from Kapok (Ceiba pentandra) Seed Oil using Naturally Alkaline Catalyst as an Effort of Green Energy and Technology","publication_year":2013,"publication_date":"2013-10-31","ids":{"openalex":"https://openalex.org/W2005122777","doi":"https://doi.org/10.14710/ijred.2.3.169-173","mag":"2005122777"},"language":"en","primary_location":{"id":"doi:10.14710/ijred.2.3.169-173","doi":"https://doi.org/10.14710/ijred.2.3.169-173","is_oa":true,"landing_page_url":"https://doi.org/10.14710/ijred.2.3.169-173","pdf_url":null,"source":{"id":"https://openalex.org/S2739193003","display_name":"International Journal of Renewable Energy Development","issn_l":"2252-4940","issn":["2252-4940","2716-4519"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","erih-plus","jufo-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310315173","host_organization_name":"Diponegoro University","host_organization_lineage":["https://openalex.org/P4310315173"],"host_organization_lineage_names":["Diponegoro University"],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Renewable Energy Development","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.14710/ijred.2.3.169-173","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090502234","display_name":"Noer Abyor Handayani","orcid":"https://orcid.org/0000-0001-7962-1544","observed_orcids":["https://orcid.org/0000-0001-7962-1544"]},"institutions":[{"id":"https://openalex.org/I11855966","display_name":"Diponegoro University","ror":"https://ror.org/056bjta22","country_code":"ID","type":"education","lineage":["https://openalex.org/I11855966"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"N.A. Handayani","raw_affiliation_strings":["Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","institution_ids":["https://openalex.org/I11855966"]},{"raw_affiliation_string":"Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","institution_ids":[]},{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang","institution_ids":["https://openalex.org/I11855966"]}]},{"author_position":"middle","author":{"id":null,"display_name":"H. Santosa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I11855966","display_name":"Diponegoro University","ror":"https://ror.org/056bjta22","country_code":"ID","type":"education","lineage":["https://openalex.org/I11855966"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"H. Santosa","raw_affiliation_strings":["Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","institution_ids":["https://openalex.org/I11855966"]},{"raw_affiliation_string":"Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","institution_ids":[]},{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang","institution_ids":["https://openalex.org/I11855966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051300370","display_name":"Muhammad Ihsan Sofyan","orcid":"https://orcid.org/0000-0001-7991-9535","observed_orcids":["https://orcid.org/0000-0001-7991-9535"]},"institutions":[{"id":"https://openalex.org/I11855966","display_name":"Diponegoro University","ror":"https://ror.org/056bjta22","country_code":"ID","type":"education","lineage":["https://openalex.org/I11855966"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"M. Sofyan","raw_affiliation_strings":["Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","institution_ids":["https://openalex.org/I11855966"]},{"raw_affiliation_string":"Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","institution_ids":[]},{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang","institution_ids":["https://openalex.org/I11855966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088186123","display_name":"Ilham Tanjung","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I11855966","display_name":"Diponegoro University","ror":"https://ror.org/056bjta22","country_code":"ID","type":"education","lineage":["https://openalex.org/I11855966"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"I. Tanjung","raw_affiliation_strings":["Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","institution_ids":["https://openalex.org/I11855966"]},{"raw_affiliation_string":"Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","institution_ids":[]},{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang","institution_ids":["https://openalex.org/I11855966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056395663","display_name":"A. Chyntia","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I11855966","display_name":"Diponegoro University","ror":"https://ror.org/056bjta22","country_code":"ID","type":"education","lineage":["https://openalex.org/I11855966"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"A. Chyntia","raw_affiliation_strings":["Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","institution_ids":["https://openalex.org/I11855966"]},{"raw_affiliation_string":"Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","institution_ids":[]},{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang","institution_ids":["https://openalex.org/I11855966"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111630201","display_name":"Prameswari Amalia Putri","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I11855966","display_name":"Diponegoro University","ror":"https://ror.org/056bjta22","country_code":"ID","type":"education","lineage":["https://openalex.org/I11855966"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"P.A.R.S. Putri","raw_affiliation_strings":["Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","institution_ids":["https://openalex.org/I11855966"]},{"raw_affiliation_string":"Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","institution_ids":[]},{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang","institution_ids":["https://openalex.org/I11855966"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082990034","display_name":"Zeno Rizqi Ramadhan","orcid":"https://orcid.org/0000-0001-7042-8780","observed_orcids":["https://orcid.org/0000-0001-7042-8780"]},"institutions":[{"id":"https://openalex.org/I11855966","display_name":"Diponegoro University","ror":"https://ror.org/056bjta22","country_code":"ID","type":"education","lineage":["https://openalex.org/I11855966"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Z.R. Ramadhan","raw_affiliation_strings":["Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, , Indonesia","institution_ids":["https://openalex.org/I11855966"]},{"raw_affiliation_string":"Jl Prof H. Soedharto, Tembalang, Semarang, Indonesia","institution_ids":[]},{"raw_affiliation_string":"Department of Chemical Engineering Faculty of Engineering, Diponegoro University, Jl Prof H. Soedharto, Tembalang, Semarang","institution_ids":["https://openalex.org/I11855966"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I11855966"],"apc_list":{"value":150,"currency":"USD","value_usd":150},"apc_paid":{"value":150,"currency":"USD","value_usd":150},"fwci":0.2631,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.62119181,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"2","issue":"3","first_page":"169","last_page":"173"},"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/biodiesel-production","display_name":"biodiesel production","score":0.9919999837875366},{"id":"https://openalex.org/keywords/kapok-seed-oil","display_name":"kapok seed oil","score":0.9200000166893005},{"id":"https://openalex.org/keywords/kapok-tree","display_name":"Ceiba pentandra","score":0.9990000128746033},{"id":"https://openalex.org/keywords/potassium-hydroxide-catalyst","display_name":"potassium hydroxide catalyst","score":0.9480000138282776},{"id":"https://openalex.org/keywords/transesterification","display_name":"transesterification","score":0.8569999933242798},{"id":"https://openalex.org/keywords/methanol-to-oil-molar-ratio","display_name":"methanol to oil molar ratio","score":0.9390000104904175},{"id":"https://openalex.org/keywords/reaction-temperature","display_name":"reaction temperature","score":0.9539999961853027},{"id":"https://openalex.org/keywords/reaction-time-chemistry","display_name":"reaction time (chemistry)","score":0.9660000205039978},{"id":"https://openalex.org/keywords/biodiesel-characterization","display_name":"biodiesel characterization","score":0.6949999928474426},{"id":"https://openalex.org/keywords/renewable-energy","display_name":"renewable energy","score":0.7760000228881836}],"concepts":[{"id":"https://openalex.org/C52896960","wikidata":"https://www.wikidata.org/wiki/Q167947","display_name":"Biodiesel","level":3,"score":0.8065773844718933},{"id":"https://openalex.org/C2778228072","wikidata":"https://www.wikidata.org/wiki/Q284019","display_name":"Ceiba","level":2,"score":0.7690722942352295},{"id":"https://openalex.org/C2779439175","wikidata":"https://www.wikidata.org/wiki/Q132298","display_name":"Potassium hydroxide","level":2,"score":0.6069421768188477},{"id":"https://openalex.org/C188573790","wikidata":"https://www.wikidata.org/wiki/Q12705","display_name":"Renewable energy","level":2,"score":0.6019747257232666},{"id":"https://openalex.org/C66910140","wikidata":"https://www.wikidata.org/wiki/Q905957","display_name":"Biodiesel production","level":4,"score":0.6009472012519836},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.5372602343559265},{"id":"https://openalex.org/C68189081","wikidata":"https://www.wikidata.org/wiki/Q12748","display_name":"Fossil fuel","level":2,"score":0.5221151113510132},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.46600398421287537},{"id":"https://openalex.org/C138171918","wikidata":"https://www.wikidata.org/wiki/Q38423","display_name":"Diesel fuel","level":2,"score":0.450663685798645},{"id":"https://openalex.org/C206139338","wikidata":"https://www.wikidata.org/wiki/Q192355","display_name":"Raw material","level":2,"score":0.43851444125175476},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.42786848545074463},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.40114519000053406},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.2973300814628601},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.203223317861557},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.13424742221832275},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.09119316935539246},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08200812339782715},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.14710/ijred.2.3.169-173","doi":"https://doi.org/10.14710/ijred.2.3.169-173","is_oa":true,"landing_page_url":"https://doi.org/10.14710/ijred.2.3.169-173","pdf_url":null,"source":{"id":"https://openalex.org/S2739193003","display_name":"International Journal of Renewable Energy Development","issn_l":"2252-4940","issn":["2252-4940","2716-4519"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","erih-plus","jufo-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310315173","host_organization_name":"Diponegoro University","host_organization_lineage":["https://openalex.org/P4310315173"],"host_organization_lineage_names":["Diponegoro University"],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Renewable Energy Development","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:111173579a604351a5a4fa96a3e10efc","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/111173579a604351a5a4fa96a3e10efc","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Renewable Energy Development, Vol 2, Iss 3, Pp 169-173 (2013)","raw_type":"article"},{"id":"pmh:oai:doaj.org/article:4871cee50e204ae5979636553799ab03","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/4871cee50e204ae5979636553799ab03","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Renewable Energy Development, Vol 2, Iss 3, Pp 169-173 (2013)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.14710/ijred.2.3.169-173","doi":"https://doi.org/10.14710/ijred.2.3.169-173","is_oa":true,"landing_page_url":"https://doi.org/10.14710/ijred.2.3.169-173","pdf_url":null,"source":{"id":"https://openalex.org/S2739193003","display_name":"International Journal of Renewable Energy Development","issn_l":"2252-4940","issn":["2252-4940","2716-4519"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-d","erih-plus","jufo-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310315173","host_organization_name":"Diponegoro University","host_organization_lineage":["https://openalex.org/P4310315173"],"host_organization_lineage_names":["Diponegoro University"],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Renewable Energy Development","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":1.0},{"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12","score":0.807699978351593},{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.4399999976158142},{"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9","score":0.428600013256073}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320323452","display_name":"Universitas Diponegoro","ror":"https://ror.org/056bjta22"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1971555194","https://openalex.org/W1973629029","https://openalex.org/W1983028007","https://openalex.org/W1984928630","https://openalex.org/W1991829863","https://openalex.org/W1993397413","https://openalex.org/W2017793245","https://openalex.org/W2018721028","https://openalex.org/W2045946022","https://openalex.org/W2066559479","https://openalex.org/W2072629689","https://openalex.org/W2076148906","https://openalex.org/W2088282374","https://openalex.org/W2115825648","https://openalex.org/W2124642471","https://openalex.org/W2130464291","https://openalex.org/W2153191374"],"related_works":["https://openalex.org/W2888088350","https://openalex.org/W2182768741","https://openalex.org/W2970322590","https://openalex.org/W2324973514","https://openalex.org/W1036562865","https://openalex.org/W3016744758","https://openalex.org/W2923424991","https://openalex.org/W2046620777","https://openalex.org/W4417090678","https://openalex.org/W7093560056"],"abstract_inverted_index":{"Nowadays,":[0],"energy":[1,19,54],"that":[2],"used":[3],"to":[4,59,83,119,122,135],"serve":[5],"all":[6,142],"the":[7,35,125,143],"needs":[8],"of":[9,79,117,133,138],"community,":[10],"mainly":[11],"generated":[12],"from":[13,56,87],"fossil":[14,26],"(conventional":[15],"energy).":[16],"Terrace":[17],"in":[18,34,52,62,75],"consumption":[20],"is":[21,130],"not":[22],"balanced":[23],"with":[24,104],"adequate":[25],"fuel":[27],"reserves":[28],"and":[29,107,114],"will":[30],"be":[31],"totally":[32],"depleted":[33],"near":[36],"future.":[37],"Indonesian":[38],"Government":[39],"through":[40],"a":[41,71],"Presidential":[42],"Decree":[43],"No.":[44],"5":[45,57],"year":[46],"2006":[47],"mandates":[48],"an":[49],"increased":[50],"capacity":[51],"renewable":[53],"production":[55,86],"percent":[58,61],"15":[60],"2025.":[63],"C.":[64],"pentandra":[65],"seed":[66,90],"oil":[67,91],"has":[68],"feasibility":[69],"as":[70],"sustainable":[72],"biodiesel":[73,85,139],"feedstock":[74],"Indonesia.":[76],"The":[77],"aim":[78],"this":[80],"paper":[81],"was":[82],"investigate":[84],"ceiba":[88],"petandra":[89],"using":[92],"naturally":[93],"potassium":[94],"hydroxide":[95],"catalyst.":[96],"Research":[97],"designs":[98],"are":[99],"based":[100],"on":[101],"factorial":[102],"design":[103],"2":[105],"levels":[106],"3":[108],"independent":[109],"variables":[110],"(temperature,":[111],"reaction":[112],"time":[113],"molar":[115,131],"ratio":[116,132],"methanol":[118,134],"oil).":[120],"According":[121],"data":[123],"calculation,":[124],"most":[126],"influential":[127],"single":[128],"variable":[129],"oil.":[136],"Characterization":[137],"products":[140],"meet":[141],"qualifications":[144],"standardized":[145],"by":[146],"SNI":[147],"04-7182-2006.":[148]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-10-03T13:16:28.481748","created_date":"2016-06-24T00:00:00"}
