CONTINUOUS BIOLOGICAL PHOSPHORUS REMOVAL IN A BIOFILM REACTOR

被引：23
|
作者：
GONCALVES, RF
ROGALLA, F
机构：
来源：
WATER SCIENCE AND TECHNOLOGY | 1992年 / 26卷 / 9-11期
关键词：
BIOFILM; PHOSPHORUS REMOVAL; ANAEROBIC FILTER; AERATED FILTER; FLOATING BED;
D O I：
10.2166/wst.1992.0653
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Mechanisms for biological phosphorus removal from wastewaters in an upflow granular aerated filter are evaluated. The feasibility of excess phosphorus uptake on fixed bacteria is demonstrated on pilot scale and the limiting parameters are established. The influence of the duration of anaerobic and aerobic states and of substrate loadings on phosphorus removal is verified, as well as the impact of alternating aeration on nitrification. Because bacteria are attached, hydraulic retention time of biomass and water can be separated and the exposure of bacteria to anaerobic or aerated conditions can be optimised.
引用
收藏
页码：2027 / 2030
页数：4
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