BIOLOGICAL REGENERATION OF NITRATE-LOADED ANION-EXCHANGE RESINS BY DENITRIFYING BACTERIA

被引：0
|
作者：
VANDERHOEK, JP
GRIFFIOEN, AB
KLAPWIJK, A
机构：
[1] Wageningen Agricultural Univ, Netherlands
来源：
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 1988年 / 43卷 / 03期
关键词：
Bacteriology - Nitrates - Sodium Chloride - Concentration - Suspensions - Water Resources - Groundwater;
D O I：
暂无
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
For regeneration of nitrate-loaded anion-exchange resins large quantities of salt are needed while the voluminous concentrated brine, produced during regeneration, is difficult to dispose of. These problems can be avoided by using denitrifying bacteria in the regeneration process of the resins. Experiments showed that resins could be regenerated by a denitrifying sludge suspension containing 7 g dm-3 NaCl. However, the process proceeded slowly compared with conventional regeneration.
引用
收藏
页码：213 / 222
页数：10
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