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Listening Quiz: Thảo Luận Xử Lý Nước Thải Công Nghiệp Phức Tạp – Advanced Level
Th2 19, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Nhà môi trường (English for Environmentalist)
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1.
What are Sophia and William mainly discussing?
A plan for treating complex industrial effluent
A report about water shortages in the city
A new product for industrial cleaning
A way to reduce office waste
Explanation:
They discuss the pollutants in the effluent and outline a multi-step treatment process, including precipitation, oxidation, biological treatment, filtration, sludge management, and monitoring.
2.
What does Sophia say the effluent contains?
Acid rain and grease
Heavy metals and organic compounds
Bacteria and sand
Only suspended solids
Explanation:
Sophia says, ‘It has heavy metals and organic compounds.’
3.
Which treatment step will remove most of the heavy metals?
Membrane filtration
Chemical precipitation
Biological treatment
Advanced oxidation
Explanation:
William says, ‘That will remove most of the heavy metals’ when Sophia mentions chemical precipitation.
4.
Why do Sophia and William include several treatment steps in their plan?
Because they want to avoid monitoring the process
Because the sludge does not need any handling
Because they only need to meet one simple requirement
Because the effluent contains different kinds of pollutants
Explanation:
The conversation shows the effluent contains both heavy metals and organic compounds, and they choose different steps to handle each type plus remaining solids and sludge.
5.
What will William do to help ensure the treatment works properly?
Skip the pH checks to save time
Dispose of sludge immediately without treatment
Replace chemical precipitation with evaporation
Monitor pH and temperature closely
Explanation:
William says, ‘Absolutely. These affect treatment efficiency greatly,’ in response to Sophia asking whether they should monitor pH and temperature closely.
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