D. Where the treatment center is located. 相关知识点: 试题来源: 解析 A 解析主旨大意题。根据第六段中的“Wastethatarrivesattheplantgoesthroughacleaningprocessbeforepowerfulpumpssenditflowingtoareasabovegroundformoretreatment.There,thetreatedwaterreceivesadditionalcleaning.”可知,本段主要介绍了废水的处理过程,...
Rubbish, such as old newspapers and glass, are reused. Some harmful rubbish is sent to a certain place and buried. The smoke from factories is cleaned after it enters into the air. Waste water is treated before it is poured into rivers. What’s more, government has passed laws to prevent...
in the waste water, introduces the waste water into the settling tank, and then, adds the organic nitrogen-containing compound and the cuprous salt thereto to make these components coexist in the cyanide-containing waste water to be treated to insolubilize cyanide components in the waste water.渡...
How does human waste affect the water cycle? How does littering affect the water cycle? How do humans positively impact the water cycle? How does the water cycle purify water? How is water treated for human use? How does nonpoint source pollution affect drinking water?
, wastewater treatment plants can discharge the treated water back into the environment as effluent. The effluent mixes with the existing surface water or groundwater. In that form, it may one day be reused for irrigation or industrial processes or sent for treatment and used as drinking water....
How to get rid of waste is a great problem for the world today. Waste must be treated 16 it does not become a danger to life. 17 , in some countries, waste from factories is still poured straight into rivers. People who use the water from one of these rivers often get ...
Some rubbish is sorted and sent to different factory. Rubbish such as old newspapers and glass are reused. Some harmful rubbish is sent to a certain place and buried. The smoke from factories is cleaned after it enters into the air. Waste water is treated before it is poured into rivers....
Some people think they have the right to use as much fresh water as they want, while others believe governments should tightly control the use of fresh water as it is a limited resource. Discuss both views and give your opinion. Give reasons for your answer and include any relevant examples...
Today in most large cities,fresh water is used only once,then it runs into waste system.But it is possible to pipe the used water to a purifying factory.There it can be filtered and treated with chemicals so that it can be used again,just as it were fresh from a spring. But even ...
The first two regulate how wastewater is to be collected and treated. The aim of treatment is that the outlet discharges ‘clean’ water, and this process generates sewage sludge, which contains most of the P removed from the wastewater during the process. Both the outlet water and the ...