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Mass Transfer from a Central Jet Introduced into a Large Two-Dimensional Fluidized Bed

IP.com Disclosure Number: IPCOM000218672D
Publication Date: 2012-Jun-06
Document File: 1 page(s) / 38K

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The IP.com Prior Art Database

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MASS TRANSFER FROM A CENTRAL JET INTRODUCED INTOA LARGE
TWO-DIMENSIONAL FLUIDIZED BED

BY

                    E. A. M. GBORDZOE
The M.W. Kellogg Company, Three Greenway Plaza, Houston, TX 77046

                M. A. BERGQUGNOU
Department of Chemical Engineering, The University of

Western Ontario,London, Ontario, Canada. N6A 5B9. and

                 J. F. Large
CERCHAR B. P.
2, 60550Verneuil-en-Halatte, France

ABSTRACT

Themass transferfrom a central turbulent jet introducedintoa fluidizedbed equippedwith a V-grid was measured using ozone as a non-reactive tracer. The velocity of the jet at theapexof theV was kept constant at 93.5 m/s whereas the superficial velocity along theV-grid was varied from Umf to 3Umf.

Themass transfercoefficientfrom the jet to thedensebed was calculated from amodelwhich took intoaccountthecurvatureof the jet-densebed interfilce-

Theresultsshow a variation of themass transfercoefficient along the height of the jet. The mass transfercoefficient increasedwith increasein the densebed aerationflowalongthe V-grid.