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A General Phase-Transfer Protocol for Mineral Acids and Its Application in the Large-Scale Synthesis of Highly Nanoporous Iron Phosphate in Nonaqueous Solvent
Alternative TitleInd. Eng. Chem. Res.
Zhao, Junmei1; Ma, Jie2; Jian, Zelang2; Hu, Yongsheng2; Liu, Huizhou1
2012-09-19
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume51Issue:37Pages:12025-12030
AbstractAs a general protocol for transferring mineral acids from an aqueous solution to an organic phase, mineral acids are extracted with secondary carbon primary amine (C9-11)(2)CHNH2 (commercial code: NI923) into an organic phase (e.g., heptane or benzene) because of the complexation reaction and the formation of typical reversed micelles. Based on this principle, a novel approach for a large-scale synthesis of highly nanoporous iron phosphate particles is developed via the formed RNH3+/H2PO4- (H2O)/oil reversed micelle system and ethanol-Fe3+ solutions. Synthetic conditions, such as H3PO4 concentration in reversed micelles and Fe3+ concentration in ethanol-Fe3+ solution are investigated and optimized. The product is characterized using transmission electron microscopy, Brunauer-Emett-Teller, thermogravimetric analysis, X-ray diffraction, and Fourier transform infrared spectroscopy. The as-obtained iron phosphate is flocculent and highly porous, exhibiting a high reported surface area of 144 m(2)/g. The synthetic procedure is relatively simple and is suitable for large-scale fabrication, and the used organic amines can be recycled. The power of this approach is demonstrated using other kinds of organic amines, such as tri-n-octylamine (TOA) and tri-C8-10-alkylmethyl ammonium chloride (N263), as phase-transfer reagents exhibiting promising application in the synthesis of highly nanoporous materials.; As a general protocol for transferring mineral acids from an aqueous solution to an organic phase, mineral acids are extracted with secondary carbon primary amine (C9-11)(2)CHNH2 (commercial code: NI923) into an organic phase (e.g., heptane or benzene) because of the complexation reaction and the formation of typical reversed micelles. Based on this principle, a novel approach for a large-scale synthesis of highly nanoporous iron phosphate particles is developed via the formed RNH3+/H2PO4- (H2O)/oil reversed micelle system and ethanol-Fe3+ solutions. Synthetic conditions, such as H3PO4 concentration in reversed micelles and Fe3+ concentration in ethanol-Fe3+ solution are investigated and optimized. The product is characterized using transmission electron microscopy, Brunauer-Emett-Teller, thermogravimetric analysis, X-ray diffraction, and Fourier transform infrared spectroscopy. The as-obtained iron phosphate is flocculent and highly porous, exhibiting a high reported surface area of 144 m(2)/g. The synthetic procedure is relatively simple and is suitable for large-scale fabrication, and the used organic amines can be recycled. The power of this approach is demonstrated using other kinds of organic amines, such as tri-n-octylamine (TOA) and tri-C8-10-alkylmethyl ammonium chloride (N263), as phase-transfer reagents exhibiting promising application in the synthesis of highly nanoporous materials.
KeywordLiquid-liquid-extraction Alamine 336 Microstructure Separation Batteries Template Micelles Colloids System Fepo4
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ie3016285
URL查看原文
Indexed BySCI
Language英语
WOS KeywordLIQUID-LIQUID-EXTRACTION ; ALAMINE 336 ; MICROSTRUCTURE ; SEPARATION ; BATTERIES ; TEMPLATE ; MICELLES ; COLLOIDS ; SYSTEM ; FEPO4
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000308847100025
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6352
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Junmei,Ma, Jie,Jian, Zelang,et al. A General Phase-Transfer Protocol for Mineral Acids and Its Application in the Large-Scale Synthesis of Highly Nanoporous Iron Phosphate in Nonaqueous Solvent[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2012,51(37):12025-12030.
APA Zhao, Junmei,Ma, Jie,Jian, Zelang,Hu, Yongsheng,&Liu, Huizhou.(2012).A General Phase-Transfer Protocol for Mineral Acids and Its Application in the Large-Scale Synthesis of Highly Nanoporous Iron Phosphate in Nonaqueous Solvent.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,51(37),12025-12030.
MLA Zhao, Junmei,et al."A General Phase-Transfer Protocol for Mineral Acids and Its Application in the Large-Scale Synthesis of Highly Nanoporous Iron Phosphate in Nonaqueous Solvent".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 51.37(2012):12025-12030.
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