查询词典 cod

In the course of Fenton reagent oxidating wastewater, to the COD removal rate of aqueous samples, the influence of three factors in the each level is not obvious.

Fenton试剂氧化废水中，3因素的各水平对水样COD去除率的影响不明显。

This copolymer flocculent and Al2 (SO4)3 were been used to treat the wool washing wastewater, which provided by Qinhai First Woolen Spinning Mill, and satisfying results have been got. The removal rate of COD and SS reached 92% and 97% respectively.

该絮凝剂与硫酸铝配合使用，对高浓度洗毛废水进行处理，效果理想，对COD及固体悬浮物的去除率分别达92%及97%以上。

The results show that the removal rates of COD and BOD 5 can reach 90% and over 90%. The process has the advantages of stable treatment effect, less land occupancy area, low investment and low energy consumption. It can be used to treat the wastewater with larger volume, and deep color, high organic content and even toxicity.

运行实践证明，该工艺对 COD 去除率可达90%， BOD5去除率可达90%以上，且具有处理效果稳定、占地面积小、投资少、能耗低的优点，可用于水量大、色度深、有机物含量高甚至有一定毒性的废水处理。

On the 10th, 30th and 60th day after the tobacco stems were soaked in water, COD of water is 13.82 gL^(-1), 8.73 gL^(-1) and 5.43 gL^(-1) respectively.

试验样品浸水至第10 d、30 d、60 d时，水体COD含量分别为13.82 gL^(-1)、8.73 gL^(-1)、5.43 gL^(-1)。

The wastewater from stone pit in ShaCounty has high concentration SS and low concentration COD. Through laboratory simulation test, the grit disposal/mixing/reaction/sedimentation process was determined to be used. The design characteristics and parameters of this process were introduced.

摘 要：沙县采石场生产废水含有高浓度的 SS 和较低浓度的 COD ，经实验室模拟试验确定采用沉砂－混合－反应－沉淀工艺，介绍了该工艺的设计特点及参数。

The relationship between CH4 production and input COD load in the NBLM and BLM was further analyzed statistically.

关系甲烷的生产和投入， COD负荷在nblm和博莱霉素是进一步统计分析。

All of these provide a new way for high-efficiency and economical removal of COD and NHs-N of coke wastewater.

为高效、经济的去除焦化废水中的COD和NH_3-N开辟了一条新途径。

But with the accelerated process of urbanization, urban industrial building high-speed development in recent years, urban sewage and industrial wastewater emissions were rising trend year by year, fertilizer, metallurgy, printing and dyeing, synthetic detergent industries such as wastewater, sewage life Water and water for agricultural use, with a large number of nitrogen and phosphorus compounds, the COD value is high.

但随着城市化进程的加快，城市工业建设的高速发展，近年来城市生活污水和工业废水的排放量呈逐年上升的趋势，化肥、冶炼、印染、合成洗涤剂等行业的废水、生活污水以及农业用水中，含有较大量氮磷化合物，其COD值也比较高。

Research the variation disciplinarians of the fermentative liquid at different space by testing the data of PH and COD at different heights of reactors everyday.

通过每天定时监测厌氧反应器不同高度各取样口发酵液的pH值和可溶性COD值，研究不同高度发酵液各参数的变化规律。

The results indicated: COD removal efficiency could remain at 70%, the product gas was mainly composed of methane, carbon dioxide and hydrogen, tile maximal methane producing activity sequentially were 211 mLCH4gVSS^(-1)d^(-1), 314 mLCH4gVSS^(-1)d^(-1), 319 mLCH4gVSS^(-1)d^(-1); The main components of effluent were acetic acid and propanoic acid; The dominant microorganisms sequentially were Bacillus, Coccus, Methanothrix and Methanosaet.

实验结果表明：COD的去除率可维持在70%左右，产气主要含有甲烷、二氧化碳和氢气，每格最大产甲烷活性依次为211 mLCH4gVSS^(-1)d^(-1)，314mLCH4gVSS^(-1)d^(-1)，319mLCH4gVSS^(-1)d^(-1)；出水产物为乙酸和丙酸；每格优势菌种依次为杆菌、球菌、甲烷丝状菌和甲烷八叠球菌。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。