废水

And so, reuse of these sulfuric acid, hydrochloric acid and ammoniacal nitrogen in the production process will evidently decrease production cost, which shows good economic effects, furthermore, it will decrease salts and even waste water discharge, which shows good social effects.

因此综合回收这部分硫酸、盐酸及氨氮化合物并回用于生产过程，无疑可以降低生产过程的原材料消耗，从而降低生产成本，提高经济效益，而且可以大大减少无机盐甚至废水的排放量，其社会效应也是不言而喻的。

The combined application of strains ZW38 and ZL5 could effectively degrade the ammoniacal nitrogen in marineculture wastewater into the gaseous nitrogen with the poisonless and harmless in the environment.

结论］将ZW38和ZL5联合应用可以有效地将海水养殖废水中的氨态氮降解成为对环境无毒无害的气态氮。

Ammonia nitrogen would affect the activity of anaerobic microbe, and with the synergistic reaction of ammonization, the effect was consolidated in the anaerobic digestion process of scale piggery wastewater.

中文摘要：氨氮对厌氧微生物的活性有一定的影响，规模化猪场废水在厌氧消化过程中，由于氨化作用，强化了这一影响作用。

The experiment was in progress in dyadic foam of intermittence flotation tower,to the positive ion type,the negative ion type,type and amphiprotic type,etc.

结果：泡沫浮选法去除废水中铬离子的表面活性剂，阳离子型和非离子型表面活性剂效果最差，阴离子表面活性剂效果最好。

With locally preponderant duckweed after selection and alternanthera philoxeroides cultivated in single species and accrete system, performance on removal efficiency of nitrogen and phosphorus in municipal wastewater and diluted anaerobically pretreated wastewater from a cattle farm were investigated.

以经筛选得到的本地优势浮萍和水花生为研究对象，通过设置浮萍、水花生单种和浮萍－水花生混养等三种体系，考察了其对生活污水和稀释的牛场厌氧废水N、P的净化效果。

The effects,advantages and disadvantages of anionic and cationic membranes and their combinations under different conditions were compared.

结果表明单阴膜法在处理pH值为0.5～1.0，初始镍的质量浓度为1000～2000mg／L的废水应用中有更好的处理效果。

After comparison of various process, a optimum process—ANIS process can be drawn; A autotrophic denitrifying process is successfully started up and stable operated; ANIS nitrous nitrifying process and autotrophic denitrifying process are joining-up in series to operate, and sound nitrogen removal effect can be achieved.

本论文广泛研究了各类C/N均小于1、甚至低至0.5以下的低、中、高氨氮浓度废水进行亚硝化处理的效果，综合比较了各种不同的处理工艺，得出了最佳工艺——ANIS工艺和运行条件；成功启动并稳定运行了自养反亚硝化系统，并将ANIS亚硝化工艺和自养反亚硝化工艺串连运行，取得了良好的脱氮效果。

An application case of hydrolysis/anoxic/aerobic/ decolorization process in cashmere wastewater treatment was introduced.

介绍了水解/缺氧/好氧/脱色工艺在羊绒生产废水处理中的应用实例。

At the same time,the contamination removal effect and the system stability under different condition of HRT of aeration part and anoxic part were studied in this paper.

试验同时还考察了不同HRT条件下，水解酸化段对污染物去除效果及对废水可生化性的影响。

This article discusses about the CrVI adsorption capability of the XSD-296 resin and the result indicates that it's practically appliable to use XSD-296 resin to tackle CrVI-contained water with the advantages of low cost, simple process, huge absorption volume and easy de-absorption.

本文研究了XSD-296树脂对铬的吸附性能，结果表明，XSD-296树脂具有合成成本低，工艺流程简单，吸附容量大且易解吸等优点，在含铬废水的处理中有一定实际应用价值。

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。