{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T18:12:42Z","timestamp":1788545562019,"version":"build-2803163510"},"reference-count":44,"publisher":"American Chemical Society (ACS)","issue":"5","license":[{"start":{"date-parts":[[2019,5,22]],"date-time":"2019-05-22T00:00:00Z","timestamp":1558483200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/pubs.acs.org\/page\/policy\/authorchoice_ccbyncnd_termsofuse.html"}],"funder":[{"name":"Anshun Science And Technology Bureau","award":["[2016]-4"],"award-info":[{"award-number":["[2016]-4"]}]},{"DOI":"10.13039\/501100004001","name":"Guizhou Science and Technology Department","doi-asserted-by":"crossref","award":["LH [2016]7278"],"award-info":[{"award-number":["LH [2016]7278"]}],"id":[{"id":"10.13039\/501100004001","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100010828","name":"Department of Education of Guizhou Province","doi-asserted-by":"crossref","award":["KY [2016]272"],"award-info":[{"award-number":["KY [2016]272"]}],"id":[{"id":"10.13039\/501100010828","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100010828","name":"Department of Education of Guizhou Province","doi-asserted-by":"crossref","award":["KY [2017]049"],"award-info":[{"award-number":["KY [2017]049"]}],"id":[{"id":"10.13039\/501100010828","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100010828","name":"Department of Education of Guizhou Province","doi-asserted-by":"crossref","award":["KY [2018]069"],"award-info":[{"award-number":["KY [2018]069"]}],"id":[{"id":"10.13039\/501100010828","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Anshun City"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,5,31]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>An attempt has been made to optimize the preparation of biodiesel from the transesterification of oleic acid with methanol over iron(III)-doped phosphomolybdic acid (H3PMo) catalysts. The prepared doped H3PMo salts were characterized using powder X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetric analysis, and scanning electron microscopy. The detailed characterization results demonstrated that the doped H3PMo salts have a strong interaction between the iron(III) ions and metal oxygen cluster, well preserving a typical Keggin structure of heteropolyacids and possessing good thermal stability. The effect of esterification reaction parameters was investigated and optimized using single-factor experiments method in combination with response surface methodology (RSM). The doped catalyst exhibited good catalytic activity, affording the oleic acid conversion of 89.2% with single factor optimization and 95.1% with RSM. More importantly, the catalyst was simply separated by decantation and exhibited good stability, with the oleic acid conversion of 70.2% after three consecutive cycles. Besides, this catalyst can also catalyze the esterification of other free fatty acids. Therefore, the doped H3PMo catalyst is a promising candidate for eco-friendly production of biodiesel in industry.<\/jats:p>","DOI":"10.1021\/acsomega.9b01037","type":"journal-article","created":{"date-parts":[[2019,5,30]],"date-time":"2019-05-30T12:11:47Z","timestamp":1559218307000},"page":"9041-9048","source":"Crossref","is-referenced-by-count":25,"title":["Facile Synthesis of Ferric-Modified Phosphomolybdic\nAcid Composite Catalysts for Biodiesel Production with Response Surface Optimization"],"prefix":"10.1021","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3905-962X","authenticated-orcid":true,"given":"Qiuyun","family":"Zhang","sequence":"first","affiliation":[{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]},{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Caiyan","family":"Yue","sequence":"additional","affiliation":[{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quanlin","family":"Pu","sequence":"additional","affiliation":[{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tingting","family":"Yang","sequence":"additional","affiliation":[{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhongfu","family":"Wu","sequence":"additional","affiliation":[{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yutao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]},{"name":"Anshun University , , , ,","place":["Anshun, Guizhou, China, 561000"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2019,5,22]]},"reference":[{"key":"2026090413111368900_cit1","doi-asserted-by":"publisher","first-page":"7887","DOI":"10.1039\/c4cs00189c","article-title":"Heterogeneous catalysis\nfor sustainable biodiesel production via esterification and transesterification","volume":"43","author":"Lee","year":"2014","journal-title":"Chem. 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