废水

Firstly, to determine the influence of current density, distance between cathode and anode electrodes, and concentration of perchloride ion on the electolytic generation of hydrogen peroxide.

以电解Fenton法处理废水方面，在不同pH操作下，以pH=2.5之处理效果较佳，另外，在亚铁离子添加浓度为200~2000 mg/L中，以2000 mg/L时，COD去除率最佳。

Take the Yangzi petrification factory dicarboxylic acid waste water as the research object, attempts and auxiliary carries on processing using the catalyzed oxidation by the ultrasonic wave to it, the inspection oxidant throws the increment, the time, the dicarboxylic acid density, whether there is as well as to its processing effect influence.

请帮忙翻译下此摘要成英文啊！以扬子石化厂对苯二甲酸废水为研究对象，尝试利用催化氧化并辅以超声波对其进行处理，考察氧化剂投加量、曝气时间、对苯二甲酸浓度、以及有无曝气对其处理效果的影响。

Environmental impact assessment ; environmental planning ; petrochemistry industrial zone ; regional wastewater ; total quantity control.

环境影响评价；环境规划；石油化工区；区域废水；总量控制

The method has been applied to the determination of phenol in waster water with satisfactory results.

本方法用于测定废水中的苯酚时，结果令人满意。

It is an economic and effective way to treat phenol wastewater with the method of microorganism biodegradation.

利用微生物降解的方法处理含酚废水是一种经济有效且无二次污染的方法。

With the development of economy, phenol wastewater without being treated has been imposed a serious threaten on our environment.

随着经济的发展，未经处理的含酚废水对人类的生存环境已经造成了严重的威胁。

Investigations of phenol wastewater treatment are significant task of environmental protection.

对含酚废水的处理研究是保护环境的重要任务。

How to lower the phosphate has been the important task of protecting the water.

如何减少废水中的磷酸盐排放量，已成为保护水体的重要课题。

Among them, phosphate production in the industrial wastewater discharge to water pollution is very serious.

其中，以磷矿生产企业排放的工业废水对水体的污染是非常严重的。

The process and parameters of chemical precipitation to treat phosphate coating wastewater is presented in this paper.

作者提出了用化学沉淀法处理磷化废水的工艺流程和技术参数。

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。