Water and n-heptane volume fractions in a rotor-stator spinning disc reactor
| Autor: | Mart H. J. M. de Croon, Uwe Hampel, JC Jaap Schouten, John van der Schaaf, André Bieberle, Markus Schubert, F. Visscher |
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| Přispěvatelé: | Chemical Reactor Engineering |
| Jazyk: | angličtina |
| Rok vydání: | 2012 |
| Předmět: |
Centrifugal force
Stator General Chemical Engineering Analytical chemistry 02 engineering and technology Industrial and Manufacturing Engineering law.invention chemistry.chemical_compound 020401 chemical engineering law Phase (matter) 0204 chemical engineering Spinning Heptane Rotor (electric) General Chemistry 021001 nanoscience & nanotechnology Rotor-stator spinning disc reactor Volume (thermodynamics) chemistry γ-ray tomography Volume fraction liquid-liquid flow hydrodynamics multiphase reactor 0210 nano-technology |
| Zdroj: | Industrial & Engineering Chemistry Research 51(2012)51, 16670-16676 Industrial & Engineering Chemistry Research Industrial and Engineering Chemistry Research, 51(51), 16670-16676. American Chemical Society |
| ISSN: | 0888-5885 |
| DOI: | 10.1021/ie301439s |
| Popis: | This paper presents the volume fractions of n-heptane and water measured in a rotor-stator spinning disc reactor. The volume fractions were measured using ¿-ray tomography and photographic image analysis. The volume fractions were determined as a function of rotational disc speed, flow ratio, position in the reactor, and rotor material. In addition, the effect of the density difference between water and n-heptane was determined by dissolving potassium iodide in the water phase. Below a rotational disc speed of 75 rpm the volume fraction measured by tomography and photographic image analysis are within 10% deviation. For low rotational disc speeds, the n-heptane volume fraction decreases slightly with increasing rotational disc speed: the centrifugal force accelerates the larger n-heptane droplets to the center. At higher rotational disc speeds the droplets become smaller accordingly, the friction between the phases determines the flow, and the n-heptane volume fraction becomes equal to the n-heptane to total flow ratio. An increase in density difference from 0.31 to 0.79 kg dm–3 did not influence the volume fractions. |
| Databáze: | OpenAIRE |
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