✦ LIBER ✦

The measurement of emulsion phase voidage in gas fluidized beds of fine powders

✍ Scribed by G.F. Barreto; J.G. Yates; P.N. Rowe

Publisher: Elsevier Science
Year: 1983
Tongue: English
Weight: 457 KB
Volume: 38
Category: Article
ISSN: 0009-2509
DOI: 10.1016/0009-2509(83)80152-3

No coin nor oath required. For personal study only.

✦ Synopsis

Abstracts The results of two different experimental methods, X-ray absorption and bed collapse, for the determination of the emulsion-phase voidage of gas fluid&d beds are compared. It is shown that good agreement exists between them over the range of gas velocities studied, but that possible differences in voidaga in an axial direction are only revealed by the X-ray technique. The bed collapse method applied to a Geldart Group A powder confirms that there is little difference between the surface settling rates of a bubbling bed and of a uniformly expanded bed of the &me voidage.

📜 SIMILAR VOLUMES

On dense phase voidage and bubble size i

On dense phase voidage and bubble size in high pressure fluidized beds of fine powders

✍ A. W. Weimer; G. J. Quarderer 📂 Article 📅 1985 🏛 American Institute of Chemical Engineers 🌐 English ⚖ 1006 KB

Gas-phase combustion in fluidized beds

✍ J. F. Stubington; J. F. Davidson 📂 Article 📅 1981 🏛 American Institute of Chemical Engineers 🌐 English ⚖ 755 KB

Gas exchange between the bubble and emul

Gas exchange between the bubble and emulsion phases in gas-solid fluidized beds

✍ T. Chiba; H. Kobayashi 📂 Article 📅 1970 🏛 Elsevier Science 🌐 English ⚖ 967 KB

Experimental studies for measuring the extent of gas exchange between the bubble and emulsion phases in gas-solid fluidized beds were conducted using ozone as a tracer. Measurements were made on the changes of ozone concentration immediately inside the bubbles which were injected successively into t

Normal bubbling of fine carbon powders i

Normal bubbling of fine carbon powders in high-pressure fluidized beds

✍ Karl V. Jacob; Alan W. Weimer 📂 Article 📅 1988 🏛 American Institute of Chemical Engineers 🌐 English ⚖ 198 KB 👁 1 views

Measurement of contact time distribution

Measurement of contact time distributions in gas fluidized beds

✍ E.B. Nauman; C.N. Collinge 📂 Article 📅 1968 🏛 Elsevier Science 🌐 English ⚖ 822 KB

The division of gas between bubble and i

The division of gas between bubble and interstitial phases in fluidised beds of fine powders

✍ P.N. Rowe; L. Santoro; J.G. Yates 📂 Article 📅 1978 🏛 Elsevier Science 🌐 English ⚖ 754 KB

The chvlslon of gas flow between the two phases of a flmdlsed bed of commercial catalyst powder has been determmed from measurements of mterstltlal phase vokdage and bed height over a wide range of gas velocltles Voldage measurements were made by comparing the X-ray absorption of the mterstltial pha