Oxygen transfer in a bubble column with porous ceramic gas distributor

被引：0
|
作者：
Liu, FJ [1 ]
Chou, KS
Huang, CT
机构：
[1] Natl Lienho Coll Technol & Commerce, Dept Chem Engn, Miaoli 360, Taiwan
[2] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 30043, Taiwan
来源：
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 1999年 / 34卷 / 09期
关键词：
oxygen transfer; bubble column; porous ceramic; gas distributor;
D O I：
10.1080/10934529909376934
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Gas and liquid mass transfer in a bubble column with porous ceramic gas distributor was investigated. The porous ceramic disc of our self-made was used as a gas distributor to compare with commercial products made of sintered glasses. The volumetric gas-liquid mass transfer coefficient was determined by the dynamic method. We found that the volumetric mass transfer coefficient ( k(L)a) measured from our discs is higher than that of commercial product, especially in the low gas flux region (U(g) < 1 cm/sec). Experimental results showed that the volumetric mass transfer coefficient was significantly effective in pore size of the gas distributor. The k(L)a value decreased with increasing pore size of a distributor.
引用
收藏
页码：1859 / 1873
页数：15
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