denitrification

Dynamics of denitrification potential in a Danish forest soil.

丹麦森林土壤反硝化作用的动力学分析

After VD treatment, average denitrification rate is reached 37.5%.

VD真空脱氮率平均为37.5%。

Denitrification The chemical reduction of nitrate by soil bacteria.

反硝化作用,脱氮作用:通过土壤细菌还原硝酸盐的化学反应。

Develop the system of selective catalytic reduction fume denitrification.

选择性催化还原烟气脱硝系统开发。

Ratio of N2O/N2 from denitrification was decreased by stubble incorporation.

秸秆还田可降低反硝化中N2O/N2的比例。

In Malan Loess, the three nitrogen transform by nitrification and denitrification.

在马兰黄土中,影响三氮转化的主要作用有硝化作用和反硝化作用。

Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor.

固定床自养反硝化去除地下水中的硝酸盐氮。

Under anaerobic conditions nitrates and nitrites are both reduced by a process called denitrification.

在厌氧条件下,硝酸盐和亚硝酸盐通过脱硝作用被还原。

Study on a Shortened Nitrification- Denitrification System for the Treatment of Coke-Plant Wastewater.

简捷硝化-反硝化过程处理焦化废水的研究

SBR process was used in studying the phenomenon of aerobic denitrification during the denitrification of wastewater.

采用SBR工艺,对废水脱氮中的好氧反硝化现象进行了研究。

The electric current can accelerate denitrification, especiallywhen the ratio of C:N is low.

电流对反硝化有一定的促进作用,特别是在碳氮比较小,体系中主要以自养反硝化为主时,电流越大,脱氮速率越高,脱氮效果越好。

Denitrification, on the other hand, can be very serious with a combination of no tillage and imperfectly drained soils.

硝态氮的淋失虽然在免耕制下稍高一些,但在夏季作物上,一般不是氮损失的主要途径。

Future application prospect and further study trend of aerobic denitrification are presented.

并对好氧反硝化的应用前景作了展望,提出了好氧反硝化今后的研究方向。

Thus,development of new technology and equipment for simultaneous desulfurization and denitrification was imperative.

这种方式不仅占地面积大,而且投资和运行费用高,为了降低烟气净化的费用,开发同时脱硫脱硝新技术、新设备已迫在眉睫。

Influence of pH value on simultaneous nitrification and denitrification process of aerobic granule sludge.

pH值对好氧颗粒污泥同步硝化反硝化过程的影响

The effect of the COD/TN changes of domestic sewage on denitrification and dephosphorization is studied emphatically.

作者重点研究了生活污水COD/TN比值变化对其除磷脱氮性能的影响。

Moreover, the future application prospect and further study trend of aerobic denitrification were proposed.

并对亚硝酸型硝化反硝化的应用前景进行了展望,提出了其今后的研究方向。

The key factor of dephosphorization &denitrification is to control the inverse sludge system.

该工艺中对污泥回流系统的控制是除磷脱氮最关键的因素。

Under the condition of the inputting water, when HRT is 74 minutes, denitrification of BAF is beyond 50%.

在进水水质下,水力停留时间为74min时,BAF的脱氮率在50%以上;

The study focused on the capability of nitrification and denitrification of the sludge in the reactors.

重点研究了两反应器中污泥的硝化活性与反硝化活性。

The primary factor influencing the denitrification rate was dissolve oxygen,and followed by temperature.

影响其反硝化速率的主要因素为溶解氧,其次是温度。

The denitrification and dephosphorization can be well achieved without adding the agents.

不需加药可达到较好的脱氮除磷效果。

Activated carbon-supported catalysts are excellent catalysts for denitrification of flue gas at low temperature.

活性炭基催化剂是低温烟气脱氮的优良催化剂。

By denitrification lead to azole drugs, which may be related to excessive speed of the infusion.

多由硝唑类药物导致,其机制可能与静滴速度过快有关。

Biological N-P removal involves in processes such as nitrification, denitrification, phosphorus release and uptake.

就氮磷脱除而言,一般需涉及硝化、反硝化、微生物释磷和吸磷过程。

In-situ denitrification of leachate is removal of Ammonia-N in leachate by utilizing landfill as enormous bioreactor.

生活填埋场渗滤液原位脱氮是利用填埋场本身可看作大型生物反应器特点而进行的脱氮,其主要是指对氨氮的脱除。

This paper studied nitrification and denitrification of mature aerobic granular which cultivated from activated sludge and anaerobic granular sludge.

摘要分别以活性污泥和厌氧颗粒污泥培养的好氧颗粒污泥为对象,对成熟污泥颗粒的脱氮性能进行了比较研究。

Mature technologies are applied to power plants including desulfurization,denitrification and low nitrogen combustion procedures.

成熟的燃煤污染控制技术主要应用于发电厂,包括脱硫、脱氮工艺或低氮燃烧。

The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decompostion, nitrificattion and denitrification.

土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。

The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decomposition, nitrification and denitrification.

土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。

The feasibility of denitrification in a biofilter was explored under aerobic condition with sodium acetate as carbon source.

采用生物过滤法,以醋酸钠为外加碳源,探讨了有氧条件下反硝化脱氮的可行性。

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。

Mature technologies are applied to power plants including desulfurization, denitrification and low nitrogen combustion procedures.

成熟的燃煤污染控制技术主要应用于发电厂,包括脱硫、脱氮工艺或低氮燃烧。

In this work a CSTR model was adopted to simulate the chemical reaction processes in non-thermal plasma flue gas denitrification.

本文采用CSTR模型,对非热等离子体烟气脱硝的化学反应过程进行数学模拟.

Mi- cro- electrolysis is to reduce NO2-- N and TN in waste water and finally to realize denitrification by means of galvanic battery principle.

微电解法是根据原电池的原理,对废水中NO2--N和TN进行还原,最终实现脱氮。

The paradoxical relationships are inevitably produced because of the different requirements on denitrification and phosphor removal.

就脱氮与除磷而言,由于各自过程的要求不同,二者之间存在一定的矛盾关系。

Fertilizer N not taken up by plant roots is subject to microbial immobilization and losses by denitrification, volatilization and leaching.

未被植物根系吸收的肥料氮会被生物固定和通过反硝化、挥发和淋失而损失。

DO was the key factor for the simultaneous nitrification and denitrification of SBBR.Reducing SRT was availability to removal phosphorus.

在这些影响因子中,DO是SBBR同时硝化反硝化的控制因素,而适当缩短泥龄可以很好除磷。

There are four major processes in biogeochemical cycling: nitrification fixation;organic nitrogen ammonification;nitrification, and denitrification.

这一地区氮的生物地球化学循环包括:生物固氮、有机氮的氨化、氮的硝化、反硝化等4个主要过程。

The result showed that the measurement of nitrifying rate and nitrobacteria count was an important basis for determining the denitrification effects.

结果表明,生物脱氮系统硝化段的硝化速率和硝化细菌数量是判断生物脱氮效果的重要依据。

For this reason,combined with the denitrification project of 600 MW unit in one power plant,the influence of SCR denit...

为此,结合某电厂600MW燃煤机组脱硝工程,就SCR脱硝装置对锅炉尾部及空气预热器的影响进行了分析,并指出设计、施工应注意的问题。

There are substrata competition between the heterotrophic denitrification bacteria and ANAMMOX bacteria when organics in the influent.

厌氧氨氧化污泥中存在着异养反硝化菌,有机物的存在会导致其与厌氧氨氧化菌之间的基质竞争.

SCR-NH3 method which is now commercially implemented world-wide is proved the best maturely technology of flue gas denitrification.

氨法选择性催化还原(SCR)脱硝技术是目前世界上应用最成熟的烟气脱硝技术。

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。

Denitrification is a microbial process in which oxidized nitrogen compounds are used as alternative electron acceptors for energy production.

摘要反硝化是微生物以氮氧化物作为电子受体产生能量的过程。

The best denitrification efficiency is obtained when bacterium adhering to fillings in anoxic compartment while suspending in aerobic compartment.

反硝化菌在缺氧区附着生长,在好氧区悬浮生长时脱氮效果最好。

From the aspect of alkalinity analysis,this paper proposed and expounded the design idea of step-nitrification and denitrification.

从碱度方面分析,提出了分步硝化、反硝化的设计构想,并做了简单的论述,同时在增加反硝化碳源的问题上设想了两种新的方案。

As compared with traditional MBR, anoxic stage was added in the process, and thus making it efficient in denitrification.

该工艺较传统的MBR工艺增设了缺氧段,具有良好的脱氮效果。

Self-purification processes of nitrogen and simultaneous nitrification and denitrification(SND) in natural water were simulated by experiment.

通过试验验证了天然水体中确实存在氮的自然净化过程和同步硝化/反硝化途径。

Traditionally they were all regarded as heterotrophic and anaerobic.However, aerobic denitrification bacteria were found in 1980s.

传统理论认为反硝化细菌是异养厌氧的,20世纪80年代发现了好氧反硝化细菌。