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The Water Treatment Process

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Video quiz details

Task Description
You should watch the video carefully and fill the gaps whenever they show up with the correct missing word
Video details
Scene summary
This video describes a water treatment process, from collecting water from the rivers to the network pipe distribution to our homes
Video length
3 minutes 21 seconds
Video genre
Lectures (e.g. TED talks)
Language goals
Listening comprehension
Other pedagogical goals
The above lesson is a great teaching resource for:Upper-intermediate (B2)
Student type
This resource is intended for:Adults
Quality check
Quality not yet verified by the community.
This resource does not contain any images, words or ideas that would upset a reasonable person in any culture.
Copyright license
This resource is licensed by flaviafranca88 under the iSLCollective Copyright License.
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Video quiz questions (printable)
1. Fill the gap.
this is a very basic overview of the waterprocess,
2. Fill the gap.
So we often usereservoirs to make sure there's always a supply for treatment by passing water through mesh screens.
3. Fill the gap.
The air takes some odors and gas from the water and allow somemetal salts to separate to be filtered out.
4. Fill the gap.
We add air by cascading the water down at our spraying it into the air, orair through it.
5. Fill the gap.
… making all stick together to form what'sas flock to make this flocculation happen water.
6. Fill the gap.
The floc forms itself into sludge and is separated in adesigned tank called a clarifier.
7. Fill the gap.
This sludgeis called the sludge blanket to control the blanket sludge is periodically drained off concentrated and removed …
8. Fill the gap.
We usegas injection as a treatment stage.
9. Fill the gap.
this can work in conjunction with GAC or granular activatedtreatment,
10. Fill the gap.
now the waters filtered and thoroughly cleaned it's disinfected to make sure nobacteria remain a small controlled amount of …
11. Fill the gap.
… but not leastare made to the pH levels of the water during the treatment process.
12. Fill the gap.
... network nearly 43,000 kilometers long, which forms aaround the region.
Flaviafranca88 is from/lives in Brazil and has been a member of iSLCollective since 2020-04-11. Flaviafranca88 last logged in on 2022-09-28, and has shared 22 resources on iSLCollective so far.
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