| 1. | Waste treatment by ion exchange produces a reusable water .
用离子交换处理废水可产生回用水。 |
| 2. | Space required for modern biological waste treatment plants is large .
现代生物废品处理站的占地面积很大。 |
| 3. | Great strides have been made in the art and science of waste treatment .
废物处理科学技术已经取得很大进展。 |
| 4. | There is a substantial variation in waste strength and waste treatment costs .
废水浓度和处理费有明显差别。 |
| 5. | A number of problems are caused by grease in waste treatment practice .
在废物处理过程中油脂会引起若干问题。 |
| 6. | More economical waste treatment plant design will be possible with less guesswork .
有可能以较少的猜测来更经济地进行废水处理站的设计。 |
| 7. | The second advantage is that combined treatment enhances the biological waste treatment processes .
第二个优点是，联合处理促进了生物净化过程。 |
| 8. | Dyes are just too refractory to undergo degradation in the time required for conventional waste treatment .
染料在传统废水处理所要求的时间内进行降解是困难的。 |
| 9. | It survives in the effluents of waste treatment plants, even those employing advanced treatment methods .
尽管采取了先进的处理方法，它仍残留在废水处理工厂的排放液中。 |
| 10. | The desirability of combined industrial and municipal waste treatment can be debated endlessly on a theoretical basis .
工业和城市污水联合处理的合理性，在理论上尚有争议。 |
