| 1. | Coloured materials are hard to remove in treatment plants . 处理厂去除有色物质是困难的。 |
| 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. | Screening may have to be used prior to introduction to municipal sewage treatment plants . 进入城市污水处理厂之前,必须进行过滤。 |
| 4. | 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。 |
| 5. | For many years chlorine has been the major disinfectant used in water and wastewater treatment plants . 氯作为水和废水处理厂的主要消毒剂已有许多年。 |
| 6. | Two important considerations for the construction of a waste treatment plant are the cost and availability of land . 废水处理站的建造要考虑的两个重要问题是造价和占地面积。 |
| 7. | An additional benefit resulting out of sodium hydroxide recovery is the decrease in consumption of alum at the treatment plant . 回收氢氧化钠的另一好处,是降低了处理厂的铝盐消耗量。 |
| 8. | A change in waste water volume such as this could drastically affect the operation of a conventional biological treatment plant . 这样的废水量的变化可能强烈地影响传统生物处理站的运转。 |
| 9. | The chemical reactivity of apo would prevent the parent compound from reaching the discharge water of a treatment plant . 三嗪基膦氧化物的化学反应能力会阻碍废水中原有的化合物到达处理站的排水中。 |
| 10. | In the case of natural fibers biological degradation will occur when the fiber is retained with the sludge in the treatment plant . 就天然纤维而论,当纤维附在处理站的污泥上时,可能发生生物降解。 |