废水

The optimum process conditions of treating chromium-contained wastewater with low concentration and the optimum reflux rate of settled bottom stream of flocculate are obtained.

以长沙铬盐厂的含铬废水为试验水样，研究了用七水硫酸铁、亚硫酸氢钠、铁屑 3种还原剂达标处理较低浓度含铬废水的适宜工艺条件和悬浮液絮凝体沉降底流的最佳回流率。

The dosage of the flocculation can't be too high or low .

过高处理废水的成本加大，过低处理废水的效果不好。

The performance of floccule is the best in pH of 5.5～9.0 and it is superior to that of PAC. It is applied to treat papermaking and oil recovery wastewater such that the standard water quality is received.

此外，还将FMA应用于造纸废水及采油污水的处理中，使造纸中的油毡原纸废水处理后能达到排放或回用标准，采油污水达到油田回注水标准。

Studies on purifying technology of fluoride wastewater are introduced as well as the mechanism and their applications.

对含氟废水处理技术的研究进行了介绍，讨论了各自的作用机理及其在含氟废水处理中的应用。

In addition, the coverage rate of Taiwan's waste water treatment pipelines is still low, and the situation of pesticide abuse and indiscriminate discharge of industrial waste water has not improved. Our rivers and land has become polluted, and through the food chain cycle, we ingest these toxic substances every day.

另外，全台湾的卫生废水处理管线铺设涵盖率仍然偏低，农药滥用与工业废水随意排放的情况亦没有获得改善，河川与土壤的污染，透过食物链的循环，这些有毒物质每天都被我们吃进肚子里。

The high density printing and dyeing, the "TB/TA、TB/TH swing the filler freely" applied in the craft of anaerobic hydrolysis in the chemical engineering waste water, this research for the effectiveness of filler optimization was through small and middle sized testing. The fruitage of the study could be used to the selection of filler and application of practical significance in guiding the project.

高浓度印染、化工废水厌氧水解工艺中所应用的"TB/TA、TB/TH自由摆动填料"，通过小试、中试实验对多种填料进行效能优化研究，该实验结果对填料的选型及实际工程，特别是在成分复杂多变的印染、化工废水处理工程中的应用具有重要的指导意义。

Photocatalysis of fuchsine dyestuff wastewater has been carried out by using TiO2-coated palygorskite powder.

以凹凸棒石粉末负载TiO2为催化剂对染料废水进行光催化氧化实验，研究了催化剂的投加量、光照时间以及起始浓度对酸性品红染料废水光降解作用的影响。

The treatment of oilfield produced wastewater with different qualities and different salinities were carried out using halophile enhanced biological activated carbon.

经嗜盐菌强化后的生物活性炭对于胜利油田地区乐安现场采油废水和现河首站采油废水有着较好的处理效果，水力停留时间为5 h时，COD去除率可分别达到64。

96H LC 0,96 h LC 50 ,and 96 h LC 100 of twelve chemicals of phenol ,alkyl benzene and nitrobenzene,and three water samples to sword fish(\%Xiphophorus helleri)\% and rare minnow(\%Gobiocypris rarus\%) were tested.3. The phenol ic waste water was purified through the absorption of polyvingl pyridine.

介绍了含酚废水与聚乙烯基吡啶类树脂接触，酚类会吸附在树脂上，使废水得到净化，然后将吸附了酚类的树脂加热处理回收酚，与此同时，对树脂也进行了再生处理，再生后的树脂可循环使

Recently ,because of the wastewater discharge from living , net culturing, hoggery, runoff, etc., especially, excessive loading of dissolved and particulate organic matter and inorganic nutrients, the quality of reservoir has deteriorated.

近年来，由于生活废水、生产废水、网箱养鱼、养猪、地表径流等，尤其是大量的溶解态的有机和无机营养物质进入到水库当中，造成水质恶化。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。