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Chemcial Industry and Engineering 2006, Vol. 23 Issue (4) :312-316    DOI:
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Hydrodynamics and Mass Transfer of Gradient Ringent Trapezoidal Valve Trays
HUANG Xi-bing,JIANG Bin,ZHANG Zhi-heng(National Engineering Research Center for Distillation Technology,Tianjin University,Tianjin 300072,China)
(National Engineering Research Center for Distillation Technology,Tianjin University,Tianjin 300072,China

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Abstract The hydrodynamics of the new employed gradient ringent trapezoidal valve trays are experimentally studied with the air-water system in a 500 mm��500 mm quadrate column.The critical gas velocity through valve holes,press drop,entrainment and weeping have been measured.The plate efficiency of the gradient ringent trapezoidal valve trays based on the desorption of CO_2 has been determined using the air-water-CO_2 system.The experimental results show that the gradient ringent trapezoidal valve trays have excellent characteristics of the hydrodynamics and mass transfer.
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Received 2006-07-15; published 2006-07-15
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HUANG Xi-bing,JIANG Bin,ZHANG Zhi-heng.Hydrodynamics and Mass Transfer of Gradient Ringent Trapezoidal Valve Trays[J]  Chemcial Industry and Engineering, 2006,V23(4): 312-316
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