EFFECT OF DIFFERENT FACTORS ON THE DIE-OFF OF FECAL BACTERIA IN A STABILIZATION POND PURIFICATION PLANT

被引：28
|
作者：
FERNANDEZ, A [1 ]
TEJEDOR, C [1 ]
CHORDI, A [1 ]
机构：
[1] UNIV SALAMANCA,FAC FARM,DEPT MICROBIOL,AV CAMPO CHARRO S-N,E-37007 SALAMANCA,SPAIN
来源：
WATER RESEARCH | 1992年 / 26卷 / 08期
关键词：
DIE-OFF; PURIFICATION; FECAL BACTERIA; LAGOON; PONDS; STABILIZATION PONDS; WASTE-WATER;
D O I：
10.1016/0043-1354(92)90145-T
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A study was made of the effect of aeration on the die-off of different bacterial indicators of fecal waste at the wastewater lagoon purification plant of La Velles (Salamanca, Spain). In situ, the efficacy of the purification system, when the lagoons of the plant were partially aerated, rose from 92, 91, 95 and 17% in the die-off of total coliforms, fecal coliforms, fecal streptococci and sulfite-reducing clostridia to 99, 99, 97 and 53%, respectively. In order to study the effects of the microbial load on the die-off of fecal coliform bacteria and fecal streptococci, in vitro experiments were conducted. The results show that the reduction in the bacterial flora of the wastewater due to different treatments involved a proportional reduction in the die-off of fecal bacteria.
引用
收藏
页码：1093 / 1098
页数：6
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