1) shortcut nitrification-denitrification
短程硝化-反硝化
1.
The principle of traditional biological nitrogen removal and shortcut nitrification-denitrification is compared,the practical value of the latter is analyzed, and the controlling factors are investigated.
对传统生物脱氮工艺原理和短程硝化-反硝化工艺原理进行了比较,分析了短程硝化-反硝化技术的实用价值,并就实现该技术工艺的控制因素进行了探讨。
2.
Several novel biological nitrogen removal technologies,for instance shortcut nitrification-denitrification and si- multaneous nitrification-denitrification and anaerobic ammonium oxidation.
并提出应用序批式反应器(SBR)实现短程硝化-反硝化生物脱氮工艺今后研究的发展方向和开发应用的前景。
3.
The biodenitrification treatment of wastewater with high-concentration ammonia nitrogen and low-concentration carbon was investigated in shortcut nitrification-denitrification process with intermittent aeration mode.
通过间歇曝气的运行方式,对高浓度氨氮低碳废水进行短程硝化-反硝化脱氮过程的研究。
2) short-cut nitrification-denitrification
短程硝化-反硝化
1.
Much nitrite could be found in the oxic section,thus the removal of nitrogen by hybrid bioreactor was achieved partly through short-cut nitrification-denitrification.
L-1时系统COD、氨氮去除率开始下降;在好氧区内检测到大量的NO2--N积累,表明HBR的脱氮作用部分是通过短程硝化-反硝化途径实现的。
2.
This paper introduces the advantages,principles and influential factors of three new processes of biological nitrogen removal in wastewater: short-cut nitrification-denitrification process,anaerobic ammonia oxidation process and step-feed biological nitrogen removal process,which can provide the new research direction and guidance for the biological nitrogen removal.
介绍了短程硝化-反硝化、厌氧氨氧化和分段进水生物脱氮3种污水生物脱氮新工艺的原理和特点,并对每一种工艺的影响因子进行了分析,为废水生物脱氮工艺的研究提供了新的方向。
3) shortcut nitrification-denitrification
短程硝化反硝化
1.
Effects of coupled system of an iron inner electrolysis method and shortcut nitrification-denitrification SBR on extracellular polymeric substances;
铁内电解与短程硝化反硝化SBR工艺耦合对胞外聚合物的影响
2.
Research of shortcut nitrification-denitrification in SBR under the real-time control;
实时控制SBR系统中的短程硝化反硝化
3.
Alternating oxic-anoxic shortcut nitrification-denitrification Ⅰ.realization and control;
交替好氧/缺氧短程硝化反硝化生物脱氮Ⅰ.方法实现与控制
4) short-cut nitrification and denitrification
短程硝化反硝化
1.
The effect of temperature on short-cut nitrification and denitrification
温度对短程硝化反硝化的影响
2.
Biological nitrogen removal technology via short-cut nitrification and denitrification is very significant for saving energy and carbon sources.
短程硝化反硝化技术对于节省能源和碳源具有重要意义。
3.
The SBR was used to treat landfill leachate,and the role of aerobic denitrification in short-cut nitrification and denitrification process was studied.
采用SBR反应器处理垃圾渗滤液,研究了短程硝化反硝化过程中好氧反硝化的作用。
5) short-cut nitrification-denitrification
短程硝化反硝化
1.
The principal of short-cut nitrification-denitrification is briefly introduced in this paper,which is controlling ammonia-oxidation in the nitrite reaction stage and straightly into the denitrification process but not through nitrification process.
简要地介绍了短程硝化反硝化生物脱氮的机理,即控制氨氧化停留在亚硝化反应阶段,不经过硝化直接进行反硝化。
2.
The paper discuss several methods fitting to ammonia nitrogen removal from the leachate,such as adjusting pH,ammonia treatment,SND,short-cut nitrification-denitrification,anaerobic ammonium oxidation.
从垃圾填埋场渗滤液中氨氮的特性及其对渗滤液生化处理的影响出发,结合渗滤液回灌探讨几种适于渗滤液中氨氮的脱除技术——调节pH值、氨吹脱、同步硝化反硝化、短程硝化反硝化、厌氧氨氧化,可供类似工程借鉴。
6) shortcut nitrification and denitrification
短程硝化反硝化
1.
Nitrogen removal can be achieved at 28±1 ℃ via shortcut nitrification and denitrification by controlling the pH value at 7 8-8 7.
因此,控制pH实现短程硝化反硝化生物脱氮工艺的机理是利用反应体系内的高pH和高游离氨浓度对硝酸菌产生抑制,从而在硝化过程中产生亚硝酸盐积累。
2.
In the treatment of soybean wastewater,study was made on the nitrification and denitrification at higher temperature (31±1) ℃ in sequencing batch reactor (SBR) process and on the feasibility of applying ORP and pH value as control parameters of shortcut nitrification and denitrification process.
以豆制品生产废水为对象,研究了在较高温度下[(31±1)℃]SBR工艺中短程硝化反硝化生物脱氮过程的实现,并在此基础上考察了应用ORP和pH值作为短程硝化反硝化过程控制参数的可行性。
3.
The sequencing batch reactor(SBR) was adopted to investigate N2O production quantity in complete and shortcut nitrification and denitrification for sewage treatment.
结果表明,在进水氨氮浓度相同且不限制DO的条件下,全程硝化反硝化过程中N2O的总产生量为短程硝化反硝化的2倍左右;硝化类型不会影响反硝化过程对溶解性N2O的还原,无论以NO2--N还是以NO3--N为电子受体,反硝化过程均有利于降低N2O的浓度。
补充资料：硝化杆菌
| 硝化杆菌 Nitrobacteriaceae 细菌的一科。包括一切能通过氧化氨或亚硝酸获得能源，并以二氧化碳为唯一碳源的自养细菌。无芽孢，革兰氏染色阴性。分为两个群：①硝化细菌群，氧化亚硝酸为硝酸取得能源。②亚硝化细菌群，氧化氨为亚硝酸取得能源。广泛存在于土壤和水中，对于自然界的氮素循环起着重要作用。 |
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参考词条