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The Chitin/Keggin-type heteropolyacid hybrid microspheres as catalyst for oxidation of methacrolein to methacrylic acid
Cao, Yun-Li1,2,3; Wang, Lei1; Xu, Bao-Hua1; Zhang, Suo-Jiang1
2018-02-15
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号334页码:1657-1667
摘要The Chitin-CsH3PMo11VO40 (Ch-CsPAV) hybrids was prepared by a facile one-pot approach and characterized by FT-IR, XRD, SEM, TG/DTA, NH3-TPD, XPS and NMR. The performance of Ch-CsPAV as a catalyst on the oxidative transformation of methacrolein (MAL) to methacrylic acid (MAA) was studied in this study. It was found that both acidity and redox property of the precusor (CsPAV) could be regulated upon introducing chitin as a component. Specifically, the resulted Ch-CsPAV with uniform microspheres had higher amount of acidic sites, better redox active sites (VO2+) and improved agent (NH4+), thereby rendering an improved catalytic performance in the reaction launched. Under optimized conditions, higher MAL conversion (80%) and MAA selectivity (94%) were attained in the presence of Ch-CsPAV.
关键词Chitin Heteropolyacid Methacrolein Methacrylic Acid Oxidation
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2017.11.116
收录类别SCI
语种英语
关键词[WOS]MIXED AMMONIUM-CESIUM ; SELECTIVE OXIDATION ; ISOBUTYRIC ACID ; SALTS ; ISOBUTANE ; CHITOSAN ; DEHYDROGENATION ; PHOTOCHROMISM ; H3PMO12O40 ; REACTIVITY
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
项目资助者National Basic Research Program of China (973 Program)(2015CB251401) ; Key Research Program of Frontier Sciences, CAS(QYZDY-SSW-JSC011) ; Key Program of National Natural Science Foundation of China(91434203) ; Fund of State Key Laboratory of Multiphase Complex Systems, IPE, CAS(MPCS-2015-A-05) ; CAS/SAFEA International Partnership Program for Creative Research Teams(20140491518)
WOS记录号WOS:000431393500003
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文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24409
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Key Lab Green Proc & Engn,Beijing Key Lab Ion Liq, Beijing 100190, Peoples R China
2.Pingdingshan Univ, Pingdingshan 467000, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Cao, Yun-Li,Wang, Lei,Xu, Bao-Hua,et al. The Chitin/Keggin-type heteropolyacid hybrid microspheres as catalyst for oxidation of methacrolein to methacrylic acid[J]. CHEMICAL ENGINEERING JOURNAL,2018,334:1657-1667.
APA Cao, Yun-Li,Wang, Lei,Xu, Bao-Hua,&Zhang, Suo-Jiang.(2018).The Chitin/Keggin-type heteropolyacid hybrid microspheres as catalyst for oxidation of methacrolein to methacrylic acid.CHEMICAL ENGINEERING JOURNAL,334,1657-1667.
MLA Cao, Yun-Li,et al."The Chitin/Keggin-type heteropolyacid hybrid microspheres as catalyst for oxidation of methacrolein to methacrylic acid".CHEMICAL ENGINEERING JOURNAL 334(2018):1657-1667.
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