Gamma ray tomography-An experimental analysis of fractional gas hold-up in bubble columns

Chemical Engineering Journal

Volumn 137, Issue 2, 2008, Pages 376-385

  Patel, Ashutosh K ^a   Thorat, Bhaskar N ^a  

^a INSTITUTE OF CHEMICAL TECHNOLOGY   (India)

Author keywords

Algebraic reconstruction technique; Chordal hold up; Grid scanning; Pressure drop; Sparger design

Indexed keywords

BUBBLE COLUMNS; GAMMA RAY PRODUCTION; MEASUREMENT THEORY; PRESSURE DROP;

ALGEBRAIC RECONSTRUCTION TECHNIQUE; CHORDAL HOLD-UP; GRID SCANNING; SPARGER DESIGN;

GAS HOLDERS;

BUBBLE COLUMNS; GAMMA RAY PRODUCTION; GAS HOLDERS; MEASUREMENT THEORY; PRESSURE DROP;

EID: 38949118275     PISSN: 13858947     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cej.2007.05.014     Document Type: Article

References (19)

1. Kemoun A., Rados N., Li F., Al-Dahhan M.H., Duduković M.P., Mills P.L., Leib T.M., and Lerou J.J. Gas holdup in a trayed cold-flow bubble column. Chem. Eng. Sci. 56 3 (2001) 1197-1205
2. Toye D., Marchot P., Crine M., Pelsser A.-M., and L'Homme G. Local measurements of void fraction and liquid holdup in packed columns using X-ray computed tomography. Chem. Eng. Process. 37 6 (1998) 511-520
3. 2 particles in slurry bubble column using ultrasonic computed tomography. Chem. Eng. Sci. 56 21/22 (2001) 6073-6079
4. Kemoun A., Roy S., Al-Dahhan M.H., Cartolano A.R., Dobson R., and Williams J. Study of gas-liquid distribution in a pilot scale monolith reactor via industrial tomography scanner (ITS). Proceeding of 4th World Congress on Industrial Process Tomography. Aizu, Japan (2005) 220-225
5. Parasu Veera U., Patwardhan A.W., and Joshi J.B. Measurement of gas hold-up profiles in stirred tank reactors by gamma ray attenuation technique. Trans. Inst. Chem. Eng. 79 (A) (2001) 684-688
6. Banerjee S., and Lahey R.T. Advances in Two-phase Flow Instrumentation in Advances in Nuclear Science and Technology (1981), Plenum Press, New York
7. Snoek W. A review of recent advances in multiphase flow measurements and methods. Experimental Heat Transfer, Fluid Mechanics and Thermodynamics (1988), Elsevier, New York pp. 59-71
8. Lubbert A., and Larson B. Detailed investigations of the multiphase flow in airlift tower loop reactors. Chem. Eng. Sci. 45 (1990) 3047-3053
9. Morton E.J., and Simons S.J.R. The physical basis of process tomography. In: Scott D.M., and Williams R.A. (Eds). Frontiers in Industrial Process Tomography (1995), Engineering Foundation, New York
10. In: Williams R.A., and Beck M.S. (Eds). Process Tomography: Principles Techniques and Applications (1995), Butterworth-Heinemann Ltd.
11. Joshi J.B., Parasu Veera U., Prasad V., Phanikumar D.V., Deshpande N.S., Thakre S.S., and Thorat B.N. Gas hold-up structure in bubble column reactors. Proc. Indian Natl. Sci. Acad. (PINSA) 64 4 (1998) 441-567
12. Parasu Veera U., and Joshi J.B. Measurement of gas hold-up profiles by gamma ray tomography: effect of sparger design and height of dispersion in bubble columns. Trans. Inst. Chem. Eng. 77 (A) (1999) 303-317
13. Parasu Veera U., and Joshi J.B. Measurement of gas hold-up profiles in bubble columns by gamma ray tomography: effect of liquid phase properties. Trans. Inst. Chem. Eng. 78 (A) (2000) 425-434
14. Kak C., and Slaney M. Principles of Computerised Tomographic Imaging (1988), IEEE Press, New York
15. Patel A.K., Patwardhan A.W., and Thorat B.N. Comparison of ML-EM algorithm and ART for reconstruction of gas hold-up profile in a bubble column. Chem. Eng. J. 130 2-3 (2007) 135-145
16. Thorat B.N., Shevade A.V., Bhilegaonkar K.N., Aglave A.V., Parasu Veera U., Thakre S.S., Pandit A.B., Sawant S.S., and Joshi J.B. Effect of sparger design and height to diameter ratio on fractional gas hold-up in bubble columns. Trans. Inst. Chem. Eng. 76 (A) (1998) 832-833
17. Fair J.R., Steinmeyer D.E., Penney W.R., and Crocker B.B. Gas absorption and gas-liquid system design. In: Perry R.H., Green D.W., and Maloney J.O. (Eds). Perry's Chemical Engineers' Handbook. 7th ed. (1997), McGraw-Hill, New York 14-71
18. Joshi J.B. Axial mixing in multiphase contactors a unified correlation. Trans. Inst. Chem. Eng. 58 3 (1980) 155
19. Doshi Y.K., and Pandit A.B. Effect of internals and sparger design on mixing behavior in sectionalized bubble column. Chem. Eng. J. 112 1-3 (2005) 117-129