废水

The effect of the tannery wastewater treatment with zinc polysilicate was studied.

本文研究了聚硅酸锌絮凝剂处理制革工业废水的效果。

In practice we can select either one of them or both methods add together to analysis according to the waste water and the environment of the tannery.

实践中可以根据制革厂排放的废水特性及周围环境的要求，选择其中之一种或将两种方法串联使用。

The removal of heavy metal chromium from tannery sludge by bioleaching technology was reported in this paper.

比较研究了皮革废水处理厂的剩余污泥在生物淋滤除铬过程中，由于添加辅助基质的种类、浓度及反应温度不同，重金属铬溶出效果的差异。

The results of the test on the treat-ment of the tannery wastewater which COD mass concentra.

对COD的质量浓度为5 820～5 860 mg/L的皮革废水处理的试验表明：在工作压力为0。

In the past we tannery waste water treatment process on the basis of the road, an increase of acid hydrolysis and the flotation of the , use of acid hydrolysis pretreatment of law and the method of combining so that the system can be stable and reliable operation, to achieve the requirements of emission standards .

我们在以往的制革废水处理工艺路线的基础上，增加了水解酸化与气浮的功能，采用水解酸化预处理与生物法相结合的方法，使处理系统可以稳定可靠地运行，达到排放标准的要求。

Tannery waste water pollution due to the complicated, pollution load, the harm caused to the environment is particularly serious.

由于制革废水的污染成分复杂、污染负荷大，给环境造成的危害特别严重。

In this research, a new technique of Fenton reagent oxidation was investigated to EOR wastewater. The factor of temprature, pH, H_2O_2, Fe~(2+), and sodium tartrate concentration were studied on HPAM. At the same time, we studied practical wastewater during polymer and ASP flooding.

鉴于此，本论文对 Fenton 技术降解 HPAM 进行了系统的研究，考察了初始 pH 值、H_2O_2、Fe~(2+)、酒石酸钠的用量和光照等因素对 HPAM 降解的影响，同时研究了此项工艺对实际油田三次采油废水的处理效果。

Which is very active and has higher electron affinities and higher electrode potential than common strong oxidant , and can react with organic pollutants in the wastewater rapidly and non-selectively. Tedder

比其他常用的强氧化剂具有更高的电极电势，且电子亲和能更高，它能快速而无选择地与废水中有机物进行反应(Tedder D W，1996)。

Moreover, practical application of the system in treatment of an industrial wastewater was tentatively investigated and found to be effective.

对实际工业废水处理的小试实验表明，该方法可取得较高的COD去除率和脱色率。

Terramycin crystal mother solution contains high concentration of nitrogen as well as carbon.

土霉素结晶母液是一种含高硫高氮的高浓度难生物降解有机废水，采用前置反硝化法对其进行脱氮处理。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。