{"id":"https://openalex.org/W4158734","doi":null,"title":"Biodiesel from waste pig skin oil- a two- step process","display_name":"Biodiesel from waste pig skin oil- a two- step process","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W4158734","mag":"4158734"},"language":"en","primary_location":{"id":"mag:4158734","doi":null,"is_oa":false,"landing_page_url":"https://dialnet.unirioja.es/servlet/articulo?codigo=3382352","pdf_url":null,"source":{"id":"https://openalex.org/S56752001","display_name":"Journal of The Society of Leather Technologists and Chemists","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":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of The Society of Leather Technologists and Chemists","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102013894","display_name":"Lingyun Yu","orcid":"https://orcid.org/0000-0002-3152-2587","observed_orcids":["https://orcid.org/0000-0002-3152-2587"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Lingyun Yu","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-3152-2587","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100996322","display_name":"Tiantian Zhao","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tiantian Zhao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5100635773","display_name":"Xinsheng Zhang","orcid":"https://orcid.org/0000-0002-1437-755X","observed_orcids":["https://orcid.org/0000-0002-1437-755X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xinsheng Zhang","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"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":0.00035383,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"93","issue":"4","first_page":"149","last_page":"151"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10507","display_name":"Biodiesel Production and Applications","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/T10507","display_name":"Biodiesel Production and Applications","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/T11351","display_name":"Catalysis and Hydrodesulfurization Studies","score":9.999999747378752e-05,"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","display_name":"biodiesel","score":0.906000018119812},{"id":"https://openalex.org/keywords/transesterification","display_name":"transesterification","score":0.9229999780654907},{"id":"https://openalex.org/keywords/acid-value","display_name":"acid value","score":0.6919999718666077},{"id":"https://openalex.org/keywords/ester-conversion","display_name":"ester conversion","score":0.921999990940094},{"id":"https://openalex.org/keywords/leather-tanning-waste","display_name":"leather tanning waste","score":0.5059999823570251}],"concepts":[{"id":"https://openalex.org/C52896960","wikidata":"https://www.wikidata.org/wiki/Q167947","display_name":"Biodiesel","level":3,"score":0.8639780282974243},{"id":"https://openalex.org/C53477387","wikidata":"https://www.wikidata.org/wiki/Q907280","display_name":"Acid value","level":2,"score":0.7899664640426636},{"id":"https://openalex.org/C2780841394","wikidata":"https://www.wikidata.org/wiki/Q262336","display_name":"Waste oil","level":2,"score":0.7402632832527161},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.6045963764190674},{"id":"https://openalex.org/C138171918","wikidata":"https://www.wikidata.org/wiki/Q38423","display_name":"Diesel fuel","level":2,"score":0.5940338969230652},{"id":"https://openalex.org/C66910140","wikidata":"https://www.wikidata.org/wiki/Q905957","display_name":"Biodiesel production","level":4,"score":0.5250111222267151},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.4783489406108856},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4494299292564392},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.35133934020996094},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.33868861198425293},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.32039257884025574},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.26067978143692017},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1378854513168335},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.06311020255088806}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:4158734","doi":null,"is_oa":false,"landing_page_url":"https://dialnet.unirioja.es/servlet/articulo?codigo=3382352","pdf_url":null,"source":{"id":"https://openalex.org/S56752001","display_name":"Journal of The Society of Leather Technologists and Chemists","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":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of The Society of Leather Technologists and Chemists","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/12","display_name":"Responsible consumption and production"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2364668976","https://openalex.org/W2392273317","https://openalex.org/W3036115279","https://openalex.org/W2893992200","https://openalex.org/W1907204440","https://openalex.org/W2369365104","https://openalex.org/W2374556126","https://openalex.org/W2061866214","https://openalex.org/W2890950673","https://openalex.org/W2385318436"],"abstract_inverted_index":{"This":[0],"paper":[1],"provides":[2],"a":[3,7,28],"general":[4],"description":[5],"of":[6,33,46,71,78],"new":[8],"continuous":[9],"biodiesel":[10,47,72],"production":[11],"process,":[12],"where":[13],"the":[14,43,54,75],"transesterifcation":[15],"reaction":[16],"is":[17],"promoted":[18],"by":[19],"two":[20],"catalysts.":[21],"The":[22,63],"process":[23],"has":[24],"been":[25],"applied":[26],"on":[27],"laboratory":[29],"scale.The":[30],"acid":[31,44,69],"value":[32,45,70],"waste":[34],"pig":[35],"oil":[36],"was":[37,48,58],"greater":[38],"than":[39,50,60],"100mgKOH/g":[40],"oil,":[41,52],"but":[42],"less":[49],"0.80mgKOH/g":[51],"and":[53,68],"ester":[55],"conversion":[56],"rate":[57],"more":[59],"80":[61],"percent.":[62],"density,":[64],"residual":[65],"carbon":[66],"contents,":[67],"were":[73],"met":[74],"performance":[76],"standards":[77],"0#":[79],"diesel":[80],"-":[81],"standard":[82],"road":[83],"vehicle":[84],"oil.":[85]},"counts_by_year":[],"updated_date":"2025-10-27T03:11:17.418693","created_date":"2016-06-24T00:00:00"}