摘要
对Anammox-DAMO系统、Nitrite-DAMO系统、Nitrate-DAMO系统进行基质降解动力学研究,建立了3个DAMO系统温度耦合模型,并对建立的温度耦合模型进行拟合分析.结果表明,二级基质降解动力学能更好地描述Anammox-DAMO系统脱氮动力学行为,半级基质降解动力学能更好地描述Nitrite-DAMO系统和Nitrate-DAMO系统脱氮动力学过程.在15~50℃条件下,3个系统脱氮效率均在35℃时达到最高,对脱氮动力学的评估表明,3个系统反应动力学均符合Arrhenius方程.根据动力学模拟得出,Anammox-DAMO系统受高温影响更明显,而另外两个系统则受低温影响更明显.
The substrate degradation kinetics of Anammox-DAMO system,Nitrite-DAMO system and Nitrate-DAMO system were studied. The temperature coupling models of the three DAMO systems were established and were analyzed by fitting them to measured data. The results showed that the second-order substrate degradation kinetics could better describe the denitrification kinetic process of Anammox-DAMO system,while the halforder substrate degradation kinetics could better describe the denitrification kinetic process of Nitrite-DAMO system and Nitrate-DAMO system.Between 15~50 ℃,the denitrification efficiency of the three systems reached the highest at 35 ℃. The evaluation of denitrification kinetics showed that the reaction kinetics of the three systems accorded with Arrhenius equation. According to the dynamic simulation,Anammox-DAMO system was more affected by high temperature,while the other two systems were more affected by low temperature.
作者
金昊
侯星竹
代铭阳
滕采悦
楼菊青
JIN Hao;HOU Xingzhu;DAI Mingyang;TENG Caiyue;LOU Juqing(School of Environmental Science and Engineering,Zhejiang Gongshang University,Hangzhou 310012;Instrumental Analysis Center of Zhejiang Gongshang University,Hangzhou 310012)
出处
《环境科学学报》
CAS
CSCD
北大核心
2022年第10期241-253,共13页
Acta Scientiae Circumstantiae
基金
中央支持地方高校财政专项(No.S1701)
浙江省自然科学基金资助项目(No.LY21D030003)。
