Water Purification
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Questions and Answers

What is the purpose of passing water through a filter bed with grains of sand and activated carbon?

  • To kill microorganisms
  • To form gelatinous aluminum hydroxide
  • To bleach the water
  • To remove suspended particles (correct)
  • Which substance is added to water in the filter plant to form gelatinous aluminum hydroxide?

  • Calcium oxide
  • Activated carbon
  • Chlorine gas
  • Aluminum sulfate (correct)
  • Where does the water come from that is carried by huge pipes to the Balara Filter Plant?

  • Sedimentation ponds
  • Diliman, Quezon City
  • Balara Filter Plant
  • La Mesa Dam (correct)
  • What happens to the aggregates in the sedimentation ponds?

    <p>They settle to the bottom</p> Signup and view all the answers

    What is the role of chlorine gas in the purification process?

    <p>To kill microorganisms</p> Signup and view all the answers

    Which government agency or office must give prior approval for the exploitation of a work created by the Government of the Philippines?

    <p>Department of Education</p> Signup and view all the answers

    Who owns the borrowed materials included in this module?

    <p>Respective copyright holders</p> Signup and view all the answers

    According to Republic Act 8293, section 176, is there any copyright on works of the Government of the Philippines?

    <p>No, there is no copyright on any government works.</p> Signup and view all the answers

    Under what condition can a government agency or office impose the payment of royalties for the exploitation of a work?

    <p>If the work is created by any government agency or office</p> Signup and view all the answers

    Who does the publisher and authors of this module claim ownership over the borrowed materials?

    <p>No one</p> Signup and view all the answers

    Study Notes

    Water Purification Process

    • Passing water through a filter bed with grains of sand and activated carbon removes impurities, sediments, and harmful substances, improving water quality.
    • Activated carbon absorbs organic compounds and chlorine, enhancing taste and odor while filtering contaminants.

    Coagulation in Water Treatment

    • Aluminum sulfate is added to water in the filter plant to form gelatinous aluminum hydroxide, which helps in coagulating and removing suspended particles.

    Water Source for Balara Filter Plant

    • Water supplied to the Balara Filter Plant primarily comes from the La Mesa Watershed, transported through large pipeline systems.

    Sedimentation Ponds Function

    • In sedimentation ponds, aggregates settle at the bottom, allowing cleaner water to rise to the surface for further treatment processes.

    Role of Chlorine in Water Purification

    • Chlorine gas is introduced as a disinfectant during purification, effectively killing bacteria, viruses, and other pathogens, ensuring safe drinking water.
    • Prior approval for exploiting works created by the Government of the Philippines must be obtained from the National Commission for Culture and the Arts (NCCA).
    • According to Republic Act 8293, section 176, there is no copyright on works created by the Government of the Philippines.

    Ownership of Borrowed Materials

    • The publisher and authors of the module claim ownership over the borrowed materials included, indicating proper acknowledgment of sources.
    • Government agencies or offices can impose the payment of royalties for exploitation of their works only under specific conditions outlined in relevant legislation.

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    Description

    Test your knowledge about water purification with our quiz! Learn about the importance of filter plants, like the Balara Filter Plant in Quezon City, in making surface water safe for drinking. Explore the process of removing suspended particles and the use of chemicals such as aluminum sulfate and calcium oxide. Challenge yourself and become a water purification expert!

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