Gamma tomography system for determination of solids loading in gas-solid flows: Comparison with axial pressure gradient method

3rd World Congress on Industrial Process Tomography

Volumn , Issue , 2003, Pages 438-444

  O'Hern T J ^a   Trujillo, S M ^a   Tortora, P R ^b  

^a SANDIA NATIONAL LABORATORIES   (United States)

^b UNIVERSITY OF MICHIGAN   (United States)

Author keywords

Circulating fluidized bed; Gamma tomography; Gas solid; Pressure

Indexed keywords

AIR; BUBBLE COLUMNS; CATALYTIC CRACKING; CHEMICAL INDUSTRY; CRACKING (CHEMICAL); CRACKS; FLOW OF SOLIDS; FLUIDIZATION; FLUIDIZED BED PROCESS; FLUIDIZED BEDS; GASES; GRADIENT METHODS; HYDROSTATIC PRESSURE; MIXTURES; PRESSURE; PRESSURE GRADIENT; SENSITIVITY ANALYSIS; TOMOGRAPHY;

CIRCULATING FLUIDIZED BED; CROSS SECTIONAL PROFILES; CROSS-SECTIONAL DISTRIBUTION; FLUID CATALYTIC CRACKING CATALYST; GAMMA TOMOGRAPHY; GAS SOLID; SUPERFICIAL GAS VELOCITIES; TYPICAL OPERATING CONDITIONS;

FLUID CATALYTIC CRACKING;

EID: 33747609668     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (10)

1. FAN L-S, ZHU C, (1998), Principles of Gas-Solid Flows, Cambridge University Press, Cambridge
2. KNOLL GF, (2000), Radiation Detection and Measurement, Third Edition, John Wiley and Sons, Inc., New York, p. 122.
3. LOUGE M, CHANG H, (1990), Pressure and Voidage Gradients in Vertical Gas-Solid Risers, Powder Technology, 60, 197-201.
4. SCHLICHTHAERLE P, WERTHER J, (1999), Axial Pressure Profiles and Solids Concentration Distributions in the CFB Bottom Zone, Chem. Eng. Sci., 54, 5485-5493.
5. SHARMA AK, TUZLA K, MATSEN J, CHEN JC, (2000), Parametric effects of particle size and gas velocity on cluster characteristics in fast fluidized beds, Powder Technology, 111(1-2), 114-122.
6. SHOLLENBERGER KA, TORCZYNSKI JR, ADKINS DR, O’HERN TJ, JACKSON NB, (1997), Gamma-Densitometry-Tomography of Gas Holdup Spatial Distribution in Industrial-Scale Bubble Columns, Chem. Eng. Sci., 52, 2037-2048.
7. VEST CM, (1985), Tomography for Properties of Materials That Bend Rays: A Tutorial, Appl. Opt., 24, 4089-4094.
8. WERTHER J, (1999), Measurement techniques in fluidized beds, Powder Technology, 102(1), 15-36.
9. WIESENDORF V, WERTHER J, (2000), Capacitance probes for solids volume concentration and velocity measurements in industrial fluidized bed reactors, Powder Technology, 110(1-2), 143-157.
10. ZHOU J, GRACE JR, LIM CJ, BRERETON CMH, (1995), Particle velocity profiles in a circulating fluidized bed riser of square cross-section, Chem. Eng. Sci., 50, 237-244.