Gas-liquid mass transfer characteristics in a bubble column with suspended sparingly soluble fine particles

1985 ◽  
Vol 24 (2) ◽  
pp. 255-261 ◽  
Author(s):  
Eizo Sada ◽  
Hidehiro Kumazawa ◽  
Choulho Lee ◽  
Nobuya Fujiwara
Keyword(s):  
Mass Transfer ◽  
Fine Particles ◽  
Bubble Column ◽  
Liquid Mass ◽  
Transfer Characteristics ◽  
Liquid Mass Transfer

Gas-Liquid Mass Transfer Characteristics with Microbubble Aeration - I. Standard Stirred Tank

2016 ◽  
Vol 39 (5) ◽  
pp. 945-952 ◽  
Author(s):  
Xiangyang Li ◽  
Pingping Li ◽  
Liangzhu Zu ◽  
Chao Yang
Keyword(s):  
Mass Transfer ◽  
Stirred Tank ◽  
Liquid Mass ◽  
Transfer Characteristics ◽  
Liquid Mass Transfer

Performance evaluation and effect of biogas circulation rate of a bubble column for biological desulfurization

2012 ◽  
Vol 66 (9) ◽  
pp. 1914-1922 ◽  
Author(s):  
Takuro Kobayashi ◽  
Kai-Qin Xu ◽  
Yu-You Li ◽  
Yuhei Inamori
Keyword(s):  
Mass Transfer ◽  
Bubble Column ◽  
Removal Rate ◽  
Mass Transfer Rate ◽  
Circulation Rate ◽  
Bubble Column Reactor ◽  
Sulfate Production ◽  
Liquid Mass ◽  
Batch Tests ◽  
Liquid Mass Transfer

Biological desulfurization using a bubble column reactor was investigated in a continuous biogas treatment. Rapid biogas circulation between the digester and the bubble column for biological desulfurization was used to stimulate the gas–liquid mass transfer of H2S. A positive correlation between the biogas circulation rate and H2S removal rate was observed. Moreover, the increase in the circulation rate stimulated the O2 mass transfer, eventually translating into an increase in sulfate production from the oxidation of H2S. Throughout the continuous experiment, the reactor retained sufficient levels of sulfide-oxidizing bacteria. A comparison of the results of the continuous biogas treatment and batch tests suggests that the gas–liquid mass transfer rate of H2S was the rate-limiting step in the biological desulfurization in the reactor, indicating that the mass transfer efficiency of H2S needs to be improved to enhance the desulfurization performance.

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