B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
165/61
B01F 3/04 (2006.01) B01F 7/14 (2006.01) B01J 19/18 (2006.01) B01F 7/00 (2006.01)
Patent
CA 2038658
- 19 - LIQUID LEVEL CONTROL IN GAS-LIQUID MIXING OPERATIONS ABSTRACT OF THE INVENTION A gas-liquid mixing vessel utilizes an axial flow, down-pumping impeller in a draft tube to create vortex development so as to draw gas from the overhead in a body of recirculating liquid. A surge tank is used to accommodate volume changes in the vessel, and a liquid level control feature, in which the gas phase pressures in the mixing vessel and the surge tank are adjusted, is used to maintain the liquid level in the mixing vessel at a desired level for proper vortex development.
Haid David A.
Litz Lawrence M.
Weise Mark K.
Praxair Technology Inc.
Sim & Mcburney
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