Please do not arbitrarily discharge domestic wastewater into the river.

请不要向河道里肆意排放生活废水。

This is a factory specializing in the treatment of people's domestic wastewater.

这是一家专门处理人们生活废水的工厂。

The person in charge of this wastewater treatment plant is under investigation by the police.

这个污水处理厂的负责人在接受警方的调查。

This experiment applied photo-electric-catalyzed to treat substantive mazarine wastewater.

本实验采用光电催化法处理大量马扎林废水。

Wastewater treatment is a major issue.

而污水处理是一个重要问题。

Task: Recover phosphorus and nitrogen from wastewater to make fertilizer.

目的：利用废水回收磷、氮，生产化肥。

Nutrients in the wastewater support the fish, so no external food is added.

废水中的营养物质可喂养鱼类，因此没必要加额外食物。

Bacteria chew up carbohydrates in the wastewater, producing carbon dioxide.

细菌消化废水中的碳水化合物，释放出二氧化碳。