查询词典 cod

The result demonstrated that the chromaticity color of wastewater and COD were decreased after pretreatment, and biochemical effect was improved. It was the foundation of the secondary biological treatment and standard emission.

实验结果表明，预处理出水的色度、COD都有较高的去除，提高了废水的可生化性，为后续二级生物处理该种废水使其最终达标排放奠定了基础。

After 30 min of sedimentation, the supernatant was withdrawn for COD and color analysis.

30分钟后，沉淀，上清撤回COD和颜色分析

The results of operation showed that the removal rates of COD, BOD5, and TP were 71%～88%, 80%～89%, and 70%～85%, respectively by cinder residue for treating septic tank effluent.

为期1a多的运行试验结果表明，煤灰渣基质对化粪池出水中COD、BOD5和TP的去除率分别达到71%～88%、80%～89%和70%～85%。

By experimenting with solid-liquid separator in the treatment of sewage before it is discharged on three large scale pig farms, we come to the conclusion that solid-liquid separator is effective in gathering dung sullage, with about 2.9 t/h and the water content less than 55%. The average rates of removal of TS, COD, and BOD are 82.5%, 77.5% and 73.5%, respectively. ByKey words: FZ-12 solid-liquid separator; large scale pig farm; sewage treatment

为了了解FZ-12固液分离机前处理效果，对3个规模化猪场进行污水前处理试验，结果表明，FZ-12固液分离机能有效地收集粪渣，平均收集量为2.9t／h左右，粪渣含水率〈55％，对猪场污水的TS、COD和BOD平均去除率分别达到82.4％、77.5％和73.5％，应用该机处理猪场污水，增加相关投资约人民币5.3万元，收集的粪渣出售后，扣除运行成本，年可增收税利约人民币4.5万元，投资回报率达84.9%，约1.18年可收回投资，因此，应用FZ-12固液分离机处理猪场污水，具有广阔的应用前景。

The removal rates of COD and BOD5 by steel furnace slag were 47%～57%and 70%～77%, but the removal rate of total phosphorus was high up to 83%～90%.

高炉渣基质对化粪池出水中COD和BOD5的去除率分别为47%～57%和70%～77%，但对总磷的去除率高达83%～90%。

The results Showed that the nascent MnO 2 is of quasi spherical particle with mean size of 250 nm;pH is the main factor affecting COD and color removal.

研究了新生态MnO2 对碱法麦草浆造纸黑液的COD和色度的去除效果及其主要影响因素，并探讨了MnO2 的作用机理。

Sponge iron had the effect on COD and ammonia of waste leachate.

结论］海绵铁对垃圾渗沥液的COD、氨氮有一定的预处理效果。

Treating the thin stillage of centrifugalization with flocculation,the removing rates of suspended solids could be 86.57％～89.62％, and the removing rates of COD could be 58.2％～59.2％.

摘 要：用絮凝法处理离心分离后的酒精废液，悬浮物除去率为86.57％～89.62％，COD除去率为58.2％～59.2％。

Researches on the settling characteristics of the discharges from the storm sewer systems had the following results:①For dry-weather discharges, the settling characteristics of TP , TN was poor, while of COD and SS were comparatively good.

对分流制系统出流沉降性能的研究表明：①早流污水中TP、TN的沉降性能较差，而COD和SS的沉降性能相对较好。

The key of this technology is to remove COD and SO(superscript 2- subscript 4) simultaneously and effectively.

硫酸盐有机废水生物处理技术一直是人们关注的热点，该种废水处理的关键是如何在有效地去除COD的同时，高效地去除SO(上标 2-下标 4)。

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。