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  • 1980-1984  (6)
  • Chemical Engineering  (5)
  • Rotationsebulliometrie  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 259 (1981), S. 1202-1207 
    ISSN: 1435-1536
    Keywords: Rotationsebulliometrie ; Dampfdruckosmometrie ; erster Virialkoeffizient ; zweiter Virialkoeffizient und die Theorie von Kamide und Sanada von Kamide und Sanada
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Summary Comparative theoretical and experimental studies using ebulliometry and vapour pressure osmometry were carried out for the two systems biphenyl-benzene and benzilbenzene at 36.9 °C. A slightly modified vapour pressure osmometer from the company Mechrolab and a recently developed rotating ebulliometer were used for the studies. The ebullioscopic constant of benzene is greater than the vapour pressure constant in the steady state. The experimental results agree with the theory of Kamide and Sanada. For each system, biphenyl-benzene and benzil-benzene, the 2nd ebullioscopic virial coefficientB m is greater than the apparent 2nd vapour pressure osmometric virial coefficientB s′. These results could be explained by dilution effect of the solution droplet in the vapour pressure osmometer.
    Notes: Zusammenfassung Es wurden vergleichende Untersuchungen zur Rotationsebulliometrie und Dampfdruckosmometrie theoretisch behandelt und experimentell in den Systemen Biphenyl-Benzol und Benzil-Benzol bei der Temperatur 36,9 °C durchgeführt. Dabei wurden ein Rotationsebulliometer mit einem Drehantrieb und ein umgebautes Dampfdruckosmometer der Fa. Mechrolab verwendet. Die ebullioskopische KonstanteE m ist für das Lösungsmittel Benzol größer als die dampfdruckosmometrische Konstante im stationären ZustandK s. Die experimentellen Ergebnisse zeigen eine gute Übereinstimmung mit der Theorie von Kamide und Sanada. Für beide Systeme sind bei 36,9 °C die 2. ebullioskopischen VirialkoeffizientenB m größer als die scheinbaren 2. dampfdruckosmometrischen VirialkoeffizientenB s′. Diese Ergebnisse können mit Hilfe des Verdünnungseffektes in dem Lösungstropfen im Dampfdruckosmometer erklärt werden.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 28 (1982), S. 907-914 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: The local contact characteristics between the bed emulsion and the tube surface for horizontal tubes immersed in fluidized beds were investigated experimentally. The measurements indicated that the contact dynamics change significantly with circumferential position, gas flow rate, particle size and system pressure. From the experimental data, quantitative information on the local fluidization behavior were generated for use in heat transfer models.
    Additional Material: 14 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 29 (1983), S. 525-526 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 29 (1983), S. 712-716 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: An experimental investigation was carried out to measure local and average heat transfer coefficients for horizontal tubes located in freeboard region of air fluidized beds. Tests were carried out at room temperature and atmospheric pressure in a rectangular fluidized bed, with mean particle diameters of 275 to 850 μm.Both local and average heat transfer coefficients were found to vary with particle diameter, flow rate, static bed depth, and elevation in the freeboard region.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 30 (1984), S. 700-701 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 30 (1984), S. 840-841 
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
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