生物反硝化法是解决水体中硝氮污染问题的主要方法之一。
Biologic denitrification is one of the most popular methods to remove nitrite and nitrate from water.
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.
本实验采用实验室筛选出的高效反硝化菌YZ-2,研究了不同条件对YZ-2进行生物反硝化的影响。
In the experiment, we used the dentrifier named YZ-2 which has been isolated in the laboratory. We researched the influence of different conditions on the dentrifier.
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.
通过试验发现HRT、进水氨氮和外碳源对生物硝化和反硝化有重要影响。
It is found that HRT, influent ammonia nitrogen and external carbon source have significant effect on biological nitrification and denitrification.
传统生物脱氮包括好氧硝化和缺氧反硝化两个过程。
Conventional bioremoval of nitrogen involves two processes: aerobic nitrification, and anaerobic denitrification.
溶解氧(DO)含量是实现同时硝化反硝化生物脱氮的关键因素之一。
Dissolved oxygen (DO) content is a key affective factor for the biological nitrogen removal by simultaneous nitrification and denitrification.
实践表明,采用生物硝化反硝化工艺可以有效解决废水中有机氮的脱除问题。
The practice demonstrates that biological nitrification and denitrification are able to give an effective solution to removal of organic nitrogen from wastewater.
本试验采用15n同位素标识技术对生物硝化及反硝化过程进行了研究。
Laboratory experiment used 15n isotope identification technology to study the process of microbial nitrification and denitrification.
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.
结果表明,以可降解餐盒为碳源和微生物附着载体进行异养反硝化,能有效去除水中的硝酸盐。
The experimental results indicate that nitrate can be effectively removed using biodegradable meal box(BMB) as carbon source and biofilm carrier of denitrifying microorganisms.
二级污水处理厂二沉池漂泥有反硝化漂泥、活性污泥老化漂泥、生物泡沫导致的漂泥。
There were anti-nitrification floating sludge, aged activated floating sludge and floating sludge from biological foam in the final settling basin of municipal second stage sewage treatment plant.
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.
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.
结合江门市丰乐污水处理厂工程,介绍和总结了水解酸化/前置反硝化上向流生物滤池工艺及其运行情况。
The operation of hydrolysis acidification/pre-denitrification up-flow biological filter in Jingmen Fengle Wastewater Treatment Plant was introduced and summarized.
通过小试研究了曝气生物滤池实现短程硝化反硝化的效能和机理。
Study was made on the efficiency and mechanism of shortcut nitrification-denitrification in aerated biofilter.
反硝化的有机碳源主要为生物膜中在厌氧段过量储存的有机碳源;
The organic carbon over storaged in the anaerobic phrase in the biofilm provided the major of organic carbon in the process of denitrification.
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.
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.
利用红外光谱和扫描电子显微镜对反硝化生物膜生长前后pbs颗粒表面形态、化学组成的变化进行了分析。
The effect of denitrification on the surface configuration and chemical composition of PBS was analyzed by using IR spectrum and SEM observation.
研究生物接触氧化法中DO对同步硝化反硝化系统脱氮效率的影响。
In the paper, the effect of DO concentration on the nitrogen removal efficiency is studied in biofilm simultaneous nitrification and denitrification (SND).
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.
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.
从短程硝化反硝化机理和目前国内外在短程硝化生物脱氮技术方面的进展入手;
This thesis begin from the mechanism of denitrification and the technical progress of biological disposing nitrogen between local and outside;
实验结果表明:废水中有机物浓度相对于氮量明显不足,而且残留土霉素等对反硝化有明显的生物抑制作用。
Nitrate utilization rate test showed that the contents of organic compounds in raw wastewater were not sufficient for complete denitrification.
实验结果表明:废水中有机物浓度相对于氮量明显不足,而且残留土霉素等对反硝化有明显的生物抑制作用。
Nitrate utilization rate test showed that the contents of organic compounds in raw wastewater were not sufficient for complete denitrification.
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