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William Wordsworth, poet, 1770-1850

''Joy in looking and comprehending is nature's most beautiful gift''
Albert Einstein, physicist, 1879-1955

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P.M. Roget, lexicographer, 1779-1869

Tuesday, 2 December 2014

Wastewater treatment

Level: Upper-intermediate B2

Please click the 'Print Friendly' icon at the bottom of the page if you want to print this exercise.

Do you know what wastewater is and how it is treated? Here is a great article about it.
Read the article and then answer the following questions:

1) What is wastewater?
2) Why do we need to treat it?
3) What three types of process can be used to treat wastewater?
4) In India, what is the main focus of water pollution control?
5) In India, which simple techniques can save thousands of lives?


Answers below!




ANSWERS!

1) Water which is polluted, contaminated or affected in quality
2) So that it can meet quality standards
3) Physical, chemical and biological
4) Controlling waterborne diseases
5) Filtration and chlorination



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2 comments:

  1. Unknown4 December 2014 at 20:04

    Do you subscribe to any other websites about this? I'm struggling to find other reputable sources like yourself

    Amela
    Waste Water Services

    ReplyDelete
    Replies
    1. Mark Sixsmith6 December 2014 at 18:07

      Hello Amela
      No, I don't know any other sites about wastewater management.
      I get my general environmental information from the Guardian:
      http://www.theguardian.com/uk/environment?CMP=EMCENVEML1631
      and the BBC:
      http://www.bbc.com/news/science_and_environment/

      Regards
      Mark

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