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AN IMPROVED GAS-STRIPPING COLUMN FOR DEOXYGENATING WATER
被引：14
作者：
BARNHART, MC
机构：
来源：
JOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY
|
1995年
/
14卷
/
02期
关键词：
DISSOLVED OXYGEN;
HYPOXIA;
DEOXYGENATION;
GAS-STRIPPING COLUMN;
D O I：
10.2307/1467786
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ;
0713 ;
摘要：
A gas-stripping column with horizontal internal partitions increases the path length and residence time of water within the column. It is therefore more compact and five times more efficient in deoxygenating water than previous designs. A column 128 cm long, using 140 mL/minute of nitrogen gas, removes 97% of the dissolved oxygen from water flowing at 1.0 L/min and 99.5% from a flow of 0.5 L/min. The new design is economical to construct and operate and can facilitate laboratory study of the biological effects of prolonged hypoxia.
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页码：347 / 350
页数：4
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