摘要
研究了不同环境条件下，水网藻对N、P的吸收能力,结果表明，水网藻在富营养化水体至污水一级、二级处理出水中的N、h农度条件下，对N、P均有较强的去除能力，6天内的最大去除率分别为67．3％和gi％．在含4．2－50．4mg／LN、0．18oh2．232mg／LP条件下，单位湿重的水网藻对N、P的去除能力随N、P浓度的增加而增加温度对水网藻N、P去除能力的影响与生长一致，生长越旺盛，去除能力越强水网藻对门扶乏的自然水体中的N、P去除能力也较强，去除率分别为70％和50％以上；而添加P，对TN、TP的去除率也增加因此。
The ability of Hydrodictyon reticulatum to remove nitrogen(N) and phosphorus (P) under different environmental condition was studied. The results show that H. reticulatum has higher ability to remove N and P in eutropic water bodies and treated sewage waste water; and the highest removal rates are 67.3% and 91% respectively during 6 days treatment.The removal amount of N or P per wet weight increases with increased N or P concentration under N and P contents between 4.2-50.4 mg/L and 0.186-2.232 mg/L. In optimal temperature, the removal efficiency is highest.H. reticulatum.could also remove most of total N and P of P limited nature eutrophic water sample; At the end of experiment, the removalrates of TN and TP are 70% and 50% respectively. While adding P, the removal rate of TN. TP increased. These resultssuggest that H. reticulatum seems to be one of the feasible plants to reduce the amount of both nitrogen and phosphorus ineutrophic water and wastewater.
出处
《中国环境科学》
EI
CAS
CSCD
北大核心
1999年第3期257-261,共5页
China Environmental Science
关键词
水网藻
环境条件
氮
磷
富营养化
水污染
湖泊
Hydrodictyon reticulatum
environmental condition
nitrogen
phosphorus
eutrophic
