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Fanun M, Shakarnah A, Meltzer D, Schwarze M, Schomäcker R, Blum J. Volumetric and Diffusion Properties of Water/Surfactant/n-Propanol/4-Allylanisole Micellar Systems. TENSIDE SURFACT DET 2013. [DOI: 10.3139/113.110149] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Sol-gel encaged [(C8H17)3NCH3][RhCl4] catalyses the double bond isomerization in the flavoring agent 4-allylanisole in aqueous microemulsions. In order to provide optimal composition of the reaction medium water/n-propanol/surfactant/4-allylanisole micellar systems were formulated. The surfactants were sodium dodecyl sulfate, cetyltrimethylammonium bromide, sucrose monolaurate, and polyethylene glycol (7) glyceryl cocoate. The ratio (w/w) of n-propanol/surfactant equals 2/1. The extent of the microemulsions region as function of temperature was determined. The micellar systems were characterized by the volumetric parameters, density, excess volume, ultrasonic velocity and isentropic compressibility. The micellar densities increase with the increase in the water volume fraction. Ultrasonic velocities increase with the increase in water volume fraction up to 0.8 then decrease. Ultrasonic velocities increase with temperature for water volume fractions below 0.8 and decrease for water volume fractions above 0.8. Quantitative analysis of the volumetric parameters enabled the characterization of structural transition along the micellar phase. The particle hydrodynamic diameter of the oil-in-water systems was determined as function of temperature. The particle hydrodynamic diameter decreases in the case of the ionic surfactants while in the case of nonionic surfactants it increases.
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Nguyen L, Minding M, Schwarze M, Drews A, Schomäcker R, Kraume M. Adsorption and filtration behaviour of non-ionic surfactants during reverse micellar-enhanced ultrafiltration. J Memb Sci 2013. [DOI: 10.1016/j.memsci.2013.01.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Volovych I, Schwarze M, Hamerla T, Blum J, Schomäcker R. Enantioselective hydrogenation of itaconic acid and its derivates with sol–gel immobilized Rh/BPPM catalysts. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcata.2012.10.016] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Schwarze M, Schmidt M, Nguyen L, Drews A, Kraume M, Schomäcker R. Micellar enhanced ultrafiltration of a rhodium catalyst. J Memb Sci 2012. [DOI: 10.1016/j.memsci.2012.07.017] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Arndt S, Uysal B, Berthold A, Otrebma T, Aksu Y, Driess M, Schomäcker R. Supported ZnO catalysts for the conversion of alkanes: About the metamorphosis of a heterogeneous catalyst. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/s1003-9953(11)60407-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Simon U, Arndt S, Otremba T, Schlingmann T, Görke O, Dinse KP, Schomäcker R, Schubert H. Li/MgO with spin sensors as catalyst for the oxidative coupling of methane. CATAL COMMUN 2012. [DOI: 10.1016/j.catcom.2011.11.021] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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Wille S, Mokrushina L, Schwarze M, Smirnova I, Schomäcker R, Arlt W. Partition Coefficients for Continuous Micellar Reaction Processes. Chem Eng Technol 2011. [DOI: 10.1002/ceat.201100359] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Frenzel N, Otremba T, Schomäcker R, Ressler T, Lerch M. Synthesis, Characterization, and Catalytic Activity of Zirconium Oxide Nitrides Supported on High-surface SiO2 (In German). ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2011. [DOI: 10.5560/znb.2011.66b0147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Schwarze M, Milano-Brusco J, Strempel V, Hamerla T, Wille S, Fischer C, Baumann W, Arlt W, Schomäcker R. Rhodium catalyzed hydrogenation reactions in aqueous micellar systems as green solvents. RSC Adv 2011. [DOI: 10.1039/c1ra00397f] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Schwarze M, Milano-Brusco J, Nowothnick H, Seifert K, Dimroth J, Schomäcker R. Mizellare Lösungen als Reaktionsmedien für die Katalyse. CHEM-ING-TECH 2010. [DOI: 10.1002/cite.201050195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Stünkel S, Repke JU, Schomäcker R, Wozny G. Entwicklung eines energieeffizienten Hybridprozesses für die CO2-Abtrennung. CHEM-ING-TECH 2010. [DOI: 10.1002/cite.201050388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Dimroth J, Keilitz J, Schedler U, Haag R, Schomäcker R. Oberflächenfunktionalisierte Polymere als Träger für chirale Katalysatoren - Anwendung in der asymmetrischen Transferhydrierung. CHEM-ING-TECH 2010. [DOI: 10.1002/cite.201050389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Schwarze M, Le D, Wille S, Drews A, Arlt W, Schomäcker R. Stirred cell ultrafiltration of aqueous micellar TX-100 solutions. Sep Purif Technol 2010. [DOI: 10.1016/j.seppur.2010.05.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Wille S, Schwarze M, Mokrushina L, Smirnova I, Schomäcker R, Arlt W. Reaktionen in mizellaren Systemen: Vorhersage von Verteilungskoeffizienten. CHEM-ING-TECH 2009. [DOI: 10.1002/cite.200950129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Schwarz O, Habel D, Ovsitser O, Kondratenko E, Hess C, Schomäcker R, Schubert H. Impact of preparation method on physico-chemical and catalytic properties of VOx/γ-Al2O3 materials. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.molcata.2008.07.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Milano-Brusco J, Schwarze M, Schomäcker R. Non-ionic Surfactants Applied in Catalytic Hydrogenations. CHEM-ING-TECH 2008. [DOI: 10.1002/cite.200750524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Schwarz O, Dinse A, Frank B, Kondratenko E, Schlögl R, Schomäcker R. Die oxidative Dehydrierung von Propan - Maßnahmen zur Steigerung der Selektivität. CHEM-ING-TECH 2008. [DOI: 10.1002/cite.200750466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Schwarze M, Milano J, Schomäcker R. Kontinuierliche Hydrierung in wässrig-mizellarer Lösung. CHEM-ING-TECH 2008. [DOI: 10.1002/cite.200750623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Nowothnick H, Schomäcker R. Suzuki-Kupplung: Reaktion und Katalysatorrecycling in w/o-Mikroemulsionen. CHEM-ING-TECH 2008. [DOI: 10.1002/cite.200750534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Schomäcker R, Frank B, Soerijanto H, Lerch M, Schlögl R. Katalysatoren für die Erzeugung von Wasserstoff aus Methanol und Ammoniak. CHEM-ING-TECH 2008. [DOI: 10.1002/cite.200750763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Mastalir Á, Patzkó Á, Frank B, Schomäcker R, Ressler T, Schlögl R. Steam reforming of methanol over Cu/ZnO/Al2O3 modified with hydrotalcites. CATAL COMMUN 2007. [DOI: 10.1016/j.catcom.2007.01.031] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
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Schomäcker R, Schwarze M, Milano J, Jost S. Asymmetrische Hydrierungen von C-C-Doppelbindungen in mizellaren Lösungen und Mikroemulsionen. CHEM-ING-TECH 2007. [DOI: 10.1002/cite.200750183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Schwarz O, Dinse A, Schomäcker R, Schäfer G. Die partielle Oxidation von Propan an einem VOx/Al2O3-Katalysator im Mikroreaktor. CHEM-ING-TECH 2007. [DOI: 10.1002/cite.200750061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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49
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Schmidt A, Wolf A, Warsitz R, Dittmeyer R, Urbanczyk D, Voigt I, Fischer G, Schomäcker R. A pore-flow-through membrane reactor for partial hydrogenation of 1,5-cyclooctadiene. AIChE J 2007. [DOI: 10.1002/aic.11379] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dinse A, Frank B, Schomäcker R. Investigations on the Support Material Impact on the Catalytic Performance of Vanadia Catalysts in ODP. CHEM-ING-TECH 2006. [DOI: 10.1002/cite.200650064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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