80% of wastewater around the world is not treated at all, and it is running into oceans.
世界上80%的废水根本没有得到处理，它们正在流入海洋。
In poor, dry regions, untreated wastewater is the only viable irrigation source to keep farmers in business.
在贫穷、干旱的地区，未经处理的废水是让农民维持生计的唯一可用灌溉资源。
There will be less wastewater.
废水会更少。
为什么我们必须处理废水？
Wastewater from homes can be reused.
家庭废水可以重复使用。
Among them, wastewater problem is especially serious.
其中，废水问题尤为严重。
Wastewater treatment plants hold back 83 to 99 percent of them.
废水处理厂截留了其中的83%到99%。
Factory wastewater has to be cleaned before it goes back to nature.
工厂废水在回归自然之前必须进行净化。
Usually, wastewater comes from homes, factories, hospitals and so on.
通常，废水来自家庭、工厂、医院等。
The rain also changes into wastewater when it is running down the street during a storm.
暴风雨的雨水流经街道时也会变成废水。
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。
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。
Task: Recover phosphorus and nitrogen from wastewater to make fertilizer.
目的：利用废水回收磷、氮，生产化肥。
New York City occupants produce one billion gallons of wastewater every day.
纽约人每天制造十亿加仑的黑水。
Municipal wastewater pumped into the bags would then start the cycle all over again.
城市污水注入塑料袋中，然后开始新一轮的循环。
Her unique solution is not to get rid of wastewater and fecal sludge, but to value them.
她独特的解决办法不是排除废水，清理粪便和污泥，而是把这些东西重视起来。
But others use pure wastewater for irrigation, suggesting that they have no alternative.
而更多的情况是，很多人不得不使用纯废水灌溉，因为他们没有其他选择。
They discovered a range of persistent pollutants in the wastewater from two major plants.
他们从两家主要工厂排出的废水中发现了一系列持续性污染物。
Bacteria discovered in brewery wastewater may make recycling water more powerful and efficient.
酿造废水中发现的微生物可令回用水处理更洁净高效。
In most large cities around the globe, sewage and wastewater gets processed at a treatment plant.
地球上大多数大城市，污水和废水都在水处理厂处理。
Yet only 40% of Beijing's wastewater is treated, with the remainder going directly \ into \ rivers.
现在北京的40%废水得到了处理，其他废水还是直接排到河里。
These include coal mining, quarrying, oil drilling, and the injection of wastewater into the ground.
这些活动包括采煤、采石、石油钻探和向地下注入废水。
Wastewater generated by the Port of Portland in Oregon goes though a system called a Living Machine.
俄勒冈州波特兰港口产生的废水进入一个叫作活机器的系统。
A type of bacteria discovered in brewery wastewater in the Netherlands 25 years ago amazed scientists.
25年前在荷兰的酿造废水中发现的一种微生物令科学家们欣喜异常。
Existing anaerobic systems are typically used to treat industrial wastewater with a low solid content.
现有的无氧降解系统主要适用于低固体含量的工业污水。
Wastewater from the entire building flows into a holding tank where solids settle, like in a septic tank.
整座大楼的废水流进一个蓄水池。就像在化粪池里一样，固体被沉淀。
Wastewater from the entire building flows into a holding tank where solids settle, like in a septic tank.
整座大楼的废水流进一个蓄水池。就像在化粪池里一样，固体被沉淀。
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