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Enhancement of the Gas-absorption Rate in Agitated Slurry Reactors by Gas-adsorbing Particles Adhering to Gas Bubbles by H. Vinke; P.J. Hamersma; J.M.H. Fortuin is a Engineering article available to read on EtoBox.
What is Enhancement of the Gas-absorption Rate in Agitated Slurry Reactors by Gas-adsorbing Particles Adhering to Gas Bubbles about?
In this paper, it is shown that the rate of hydrogen absorption into an aqueous solution is considerably enhanced by the presence of small particles, provided that (a) particle-to-bubble adhesion occurs, so that, during the absorption, a sbfficiently large part of the gas-liquid interface is covered by adhering particles; (b) at equilibiium, the hydrogen concentration in the particles is much higher than that in the surrounding liquid. A model is derived to calculate the relationship between the enhancement factor E, of the initial gas-absortion rate, the fraction [ of the gas-liquid interface covered by adhering particles, and the concentration ys of the catalyst particles in the slurry. The model is verified by flotation experiments and gas-absorption measurements, performed with hydrogen and aqueous suspensions containing different concentrations of small carbon-supported or alumina-supported catalyst particles.
Who reads Enhancement of the Gas-absorption Rate in Agitated Slurry Reactors by Gas-adsorbing Particles Adhering to Gas Bubbles?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- H. Vinke; P.J. Hamersma; J.M.H. Fortuin
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0009-2509)
- Published
- 1993
- Language
- EN
- Field
- Engineering (Physical Sciences)