氮通过发生同时硝化反硝化反应而去除。
N was removed through the simultaneous nitrification and denitrification process.
湿地上部适合硝化反应的进行，下部则适宜反硝化反应的进行；
The upper part is suitable for the conduct of nitration, while the lower part is suitable for the conduct of denitrification;
通过三相生物流化床处理炼油废水实验，提出了同时硝化反硝化反应。
The simultaneous nitrification and denitrification reaction is presented based on the experiments of treating refinery waste water on 3-phase fluidized-bed bioreactor.
依据常规生物脱氮原理，脱氮过程包括将氨氮氧化为硝酸盐氮或亚硝酸盐氮的硝化反应和将硝酸盐氮或亚硝酸盐氮还原为氮气的反硝化反应。
Based on traditional biological nitrogen removal theory, nitrogen removal involves nitrification of ammonia to nitrate or nitrite followed by denitrification of nitrate or nitrite to nitrogen gas.
实验结果证实了升流式深床过滤过程中的生物反硝化反应动力学级数在1/ 2-1级之间，并与所建动力学模型基本吻合。图2，表1，参9。
The result approve that the order of reaction of bio-denitrification kinetics was about 1/2~1 and accord with the constructed model basically. 2figs. , 1tab. , 9refs.
好氧阶段的反硝化效率约占整个反应周期脱氮效率的37.0%。
The denitrifying rate in the aerobic stage was accounted for 37.0% of the denitrification in the whole reaction period.
通过SBR反应器间歇试验，研究了投加外碳源后系统的反硝化潜力和反硝化速率的变化。
The variation of denitrification potential and denitrification rate after addition of external carbon sources through SBR reactor intermittent test was studied.
膜生物反应器中同步硝化反硝化的发生符合反应器溶解氧分布不均理论以及缺氧微环境理论。
Nitrification and denitrification accord with the theory of maldistribution of DO and theory of deficiency of oxygen in microenvironment.
采用旋转电极型生物反应器（B ERC）脱氮，对以氢气作为电子供体的自养反硝化进行了研究。
A new process of the bio-electrode rotating contactor (BERC) for denitrification was developed, and study was made for autotrophic denitrification by using hydrogen as electron donor.
在讨论生物膜反硝化原理的基础上研究了移动床生物膜反应器(MBBR)的生物反硝化特性。
The characteristics of biological denitrification of a moving bed biofilm reactor (MBBR) is studied based on the discussion on the denitrification principle of biofilm.
电子受体的种类是启动反硝化除磷反应器的关键。
The key of the SBR startup was the nature of the electron acceptors.
用包含水解酸化、硝化和反硝化三个反应器的组合式生物脱氮除碳系统处理尼龙6废水，着重分析了该系统的回流比，溶解氧。
A combined system consisting of hydrolysis acidification, denitrification and nitrification reactors was used to removal carbon and nitrogen from the nylon-6 production wastewater.
将外碳源投加在缺氧段，只能优先支持反硝化脱氮反应，而对缺氧吸磷有抑制作用。
Putting the carbon source in the anoxic reactor was in favor of denitrifying but did harm to anoxic dephosphorus.
方法采用多孔陶粒作反硝化细菌固定化载体，研究下流式固定床生物反应器的适宜脱氮条件；
Methods Porous ceramics were used as immobilization carrier. Optimum conditions for nitrate-nitrogen removal of downflow fixed-bed bioreactor were studied.
探讨了序批式生物反应器填埋场的氨氮去除率、反硝化能力以及厌氧氨氧化能力。
The removal rates of ammonia nitrogen, denitrification ability and anammox ability were investigated in three bioreactors.
分步进水序批式反应器（SFSBR）是一种依靠多步缺氧进水补充反硝化碳源的生物脱氮强化工艺。
The step-fed sequencing batch reactor (SFSBR) is a new type of the enhanced nitrogen removal system, characterized by a multiple anoxic feeding for supplying the organic carbon source to denitrifiers.
在试验的基础上，从曝气量、外加碳源量、反应器容积等方面对短程硝化—反硝化工艺的优点进行了分析讨论。
Based on the experiment, this paper discussed the advantages of shortcut nitrification and denitrification from aeration amount, organic material and volume of reactor and the other respect.
MBR系统中污泥的亚硝化、反硝化作用均呈零级反应，对应降解速率常数分别约为传统活性污泥的2.2倍和2.5倍；
Both ammonium-oxidizing and denitrifying reaction in MBR accord to zero-grade reaction formula, and the corresponding degradation rate constant was 2.2 and 2.5 times respectively over CAS.
MBR系统中污泥的亚硝化、反硝化作用均呈零级反应，对应降解速率常数分别约为传统活性污泥的2.2倍和2.5倍；
Both ammonium-oxidizing and denitrifying reaction in MBR accord to zero-grade reaction formula, and the corresponding degradation rate constant was 2.2 and 2.5 times respectively over CAS.
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