TERTIARY-TREATMENT OF CHEESE FACTORY ANAEROBIC EFFLUENT WITH PHORMIDIUM-BOHNERI AND MICRACTINIUM-PUSILLUM

被引:31
作者
BLIER, R [1 ]
LALIBERTE, G [1 ]
DELANOUE, J [1 ]
机构
[1] UNIV LAVAL,DEPT STA,GREREBA,QUEBEC CITY,PQ G1K 7P4,CANADA
基金
加拿大自然科学与工程研究理事会;
关键词
AMMONIA; BIOLOGICAL TREATMENT; CHEESE FACTORY EFFLUENT; MICRACTINIUM PUSILLUM; PHORMIDIUM BOHNERI; PHOSPHORUS;
D O I
10.1016/0960-8524(95)00014-6
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
The growth and nutrient removal capacity of the cyanobacterium Phormidium bohneri and of the endogenous microalga Micractinium pusillum were investigated for the biotreatment of a cheese factory anaerobic effluent. Phormidium bohneri demonstrated higher growth rate (k = 0.62 d(-1)) and biomass yield (329 mg dry mass l(-1)) than that of M. pusillum (0.35 d(-1) and 137 mg dry mass l(-1)) over four days. In the presence of this cyanobacterium or this microalga, ammonia was completely removed after four days, although the kinetics of removal were different for both species. Rates of removal of phosphorus in the presence of P. bohneri and M. pusillum were 2.9 and 2.5 mg P-PO43-.l(-1).d(-1), respectively. These results were interpreted as a function of different factors, such as the increase in pH and aeration time.
引用
收藏
页码:151 / 155
页数:5
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