摘要
利用静态试验研究了电子受体类型对反硝化吸磷的影响,并且对以硝酸盐作为电子受体的反硝化除磷工艺提出了建议。试验结果表明:电子受体初始浓度为10.58 mg/L^22.33 mg/L时,以硝酸盐作为电子受体时的反硝化速率要大于以亚硝酸盐作为电子受体的反硝化速率;以硝酸盐作为电子受体时的缺氧吸磷速率也大于以亚硝酸盐作为电子受体时的缺氧吸磷速率。以硝酸盐作为电子受体的反硝化除磷系统中,亚硝酸盐冲击负荷会对系统脱氮除磷效果产生严重的影响。
The effect of nitrite concentration on denitrifying phosphorus accumulating organisms by SBR process was systematiealy studied, at the same time the suggestion was provided in the denitrifying phosphorus removal systems using nitrate as the e lectron acceptor. The results showed that the denitrifying rate using nitrate as the ellectron acceptor was higher than that using the nitrite the elletron acceptor when the elleetron acceptor concentration was between 10. 58 and 22. 33 mg/L. The anoxic phosphorus uptake rate using nitrate as the elleetron aceeptor was higher than that using the nitrite the elletron aeceptor. The nitrite loading had a severe effect on the performance of denitrifying phosphorus removal systems using nitrate as the ellectron aeeeptor.
出处
《环境科学与管理》
CAS
2009年第8期97-100,共4页
Environmental Science and Management
关键词
反硝化除磷
电子受体类型
硝酸盐
亚硝酸盐
denitrifying phosphorus removal
electron aeceptor
nitrate
nitrite
