氨氮

pH值对高氨氮废水亚硝化/反亚硝化速率的影响

Effect of pH Value on Nitrosation / Denitrosation Rate for Wastewater Containing High Ammonia Nitrogen

pH、碱度和苯酚对低浓度氨氮废水处理工艺的影响

The effect of pH 、 Alkalinity and Phenol on The Treatment Technology of Low Concentration Ammonia Nitrogen Wastewater

MAP法去除焦化废水氨氮

Removal of Ammonium Nitrogen from Coking Wastewater by MAP Process

MAP法处理焦化废水中氨氮的pH值影响

PH effect on the treatment of ammonia-nitrogen from coke plant wastewater by MAP process

实验结果表明，采用吹脱法能有效去除氨氮，控制PH在7.5左右，氨氮去除率可达90%以上。

Blowing can take off the ammonic nitrogen efficiently , the rate of removing the ammonic nitrogen reaches 90 % .

其对COD、氨氮的去除率为30%、70%。

Its COD , ammonia nitrogen removal rate was 30 % , 70 % .

ADC生产中缩合废水的氨氮处理工艺

Ammonia-nitrogen treatment process of condensed wastewater in ADC production

磷酸铵镁（MAP）技术是一种有效去除废水中高浓度氨氮和高浓度磷酸盐的技术。本文介绍了MAP技术的应用研究概况。

The technology of magnesium ammonium phosphate ( MAP ) is one of effective removal of high strength ammonia nitrogen and phosphate in wastewater .

海水中溶解氧、PH值、氨氮含量的变化，对海产经济鱼类正常生活影响显著。

The content change of DO , PH and NH-N in sea water has much effects on normal growing of the economic fishes .

SBR工艺处理高COD、高氨氮化纤废水反应终点判断

Judgement of Reaction Termination by SBR Process to Treat Waste-water Containing High-concentration COD and Ammonia nitrogen

重点考察了气液比、旋转床转速、温度、pH值等对氨氮脱除率和气相压降的影响。

The effect of gas-liquid ratio , rotating speed , temperature and pH value on rate of ammonia elimination and drop pressure were studied .

处理工艺总体COD、氨氮去除率不低于98%和94%；

COD and ammonia nitrogen removal is respectively above 98 % and 94 % in the treating technology ;

二级SBR法处理高浓度氨氮化工废水研究

Treatment of chemical industrial wastewater containing high NH 3 N by a two stage SBR process

不同营养水平的日粮添加尿素对青山羊瘤胃内PH值、氨氮和原虫数的影响

The Effect of Adding Urea to Ration of Different Nutritional Levels upon the pH Ammonia Nitrogen and Number of Protozoa in Rumen of Grey Goats

而TP的浓度在允许范围之内，氨氮值远低于标准的要求。

TP concentration was in the allowable range . Ammonia was much lower than the standards .

SBR法处理屠宰废水氨氮升高原因分析及改进措施

Analysis on Reasons of Ammonia Nitrogen Rising in Slaughter Wastewater Treatment by SBR and Its Improved Measures

对氨氮的去除效果影响较大。PH值在5.5～7.8之间变化，对COD、氨氮的去除效果影响较小。

When the PH Value was changed from 5.5 to 7 . 8 , the removal of COD and NH_3-N was affected diminutively .

研究结果表明，低DO浓度下COD和氨氮的平均去除率分别为85%和92%。

The experimental results showed that the COD and ammonia removal efficiency reach 85 % and 92 % , respectively .

整个组合工艺对COD和NH3-N的去除率分别达到95.2%和99.9%，达到了很好的有机物和氨氮去除效果，在技术上是可行的。

These results indicated that this combined process was feasible for COD and nitrogen removal .

通过模拟废水实验，考察了pH值、氨氮、磷酸盐与镁盐之间的摩尔比等因素对水样中氮、磷回收效果的影响。

The effects of pH value and the molar ratio of ammonia nitrogen , phosphate and magnesium on nitrogen and phosphorus recovery were studied with simulated wastewater .

试验结果表明，在生物膜培养阶段，温度对氨氮氧化的影响要大于对COD降解的影响；

The results show that during the biofilm culturing phase , the temperature affects nitrification more than it does on COD removal .

调查发现，盐城海涂环境的污染物主要是工业废水中的化学需氧量（COD）、氨氮和硫化物。

The investigation indicated that the pollutants in sea beach of Yancheng were mainly COD , NH 3 N and S 2 - .

强化预处理后，人工湿地对氨氮、TP的去除率上升明显。

After the strengthen in pretreatment , the removal rate of the ammonia nitrogen and TP in CW rose obviously .

对运行结果的分析表明：氨氮的去除率主要受温度、进水COD/氨氮比率、pH值等因素的影响。

The analytic results show that the main affecting factors on the ammonia and nitrogen removal are temperature , the ratio of COD to nitrogen in influent and PH value etc.

对超声吹脱法去除实际废水中氨氮的研究结果表明：pH值等各因素对去除实际废水中的氨氮产生的影响与在人工配水实验中相似。

The study of removing ammonia nitrogen in real wastewater by ultrasonic stripping indicated that effect of pH value including other factors etc. was similar to that of artificial wastewater .

土地渗流处理系统对COD（Mn）、氨氮、磷仅有一定的去除效果，对色度去除效果较差。

Limited effect on COD_ ( mn ), NH ~ + _4-N. and Phosphorus and bad effect on Chroma was gained by soil percolation system .

当渗沥液的初始pH为5时，冷凝液主要成份为挥发性有机酸和低碳醇类物质，不含氨氮；

When the initial pH value of LRSP was 5 , the condensate mainly contained the volatile fat acids ( VFA ) and low molecular weight alcohols and nearly no ammonia .

在颗粒污泥的形成过程中，对氨氮和BOD5都有很好的去除效果。

Great removal efficiency on both NH4 + - N and BOD5 .

Fe2+的加入利于光催化反应；2h光催化含氨氮和亚硝基氮的水样，总脱氮率达到了63.9%。

H photocatalytic reaction reduced the total nitrogen by 63.9 % for water samples with both ammonia and nitrite .

试验结果显示COD和氨氮受各因素的影响最小，两者的去除效率都很高并且十分稳定。

The results showed that COD and ammonia nitrogen by the minimal impact of various factors , both the removal efficiency is very high and very stable .