Sydney Water filtration animation

00:03:28
https://www.youtube.com/watch?v=5d2yLOHE8QY

Ringkasan

TLDRThe video details the process of how Sydney's drinking water is sourced from natural sources, filtered, and treated to ensure high quality and safety. It explains the removal of large particles, the coagulation and flocculation processes to eliminate smaller colloids, and the final filtration and chlorination steps. The video highlights the expertise of the teams ensuring compliance with strict Australian drinking water guidelines, reassuring viewers about the safety of drinking tap water in Sydney.

Takeaways

  • 💧 Sydney's drinking water is sourced from local natural sources.
  • 🧪 Water filtration involves removing large particles like leaves and twigs.
  • 🔬 Turbidity measures the cloudiness of water due to suspended particles.
  • ⚗️ Coagulation neutralizes the negative charge of colloids in water.
  • 🔄 Flocculation encourages colloids to stick together for easier removal.
  • 🧼 Filtration uses layers of coal, sand, and gravel to clean the water.
  • 🦠 Chlorine is added to protect against harmful pathogens.
  • 🦷 Fluoride is included to prevent dental decay.
  • 👷‍♂️ Skilled teams work around the clock to ensure water quality.
  • 🚰 Sydney water is considered some of the best and safest in the world.

Garis waktu

  • 00:00:00 - 00:03:28

    The video discusses the high quality of drinking water in Sydney, sourced from local natural environments. It explains the initial filtration process where larger particles like gravel, sand, leaves, and twigs are removed. The focus then shifts to smaller particles, particularly colloids, which cause turbidity in the water. To address this, the video outlines the processes of coagulation, flocculation, and filtration, which have historical roots dating back to ancient Egypt. The addition of coagulants neutralizes the negative charges of colloids, allowing them to clump together. This is followed by filtration through layers of coal, sand, and gravel, and the careful addition of chlorine and fluoride to ensure safety and dental health. The video concludes by emphasizing the rigorous standards maintained by Sydney water teams to provide safe drinking water, encouraging viewers to take pride in their tap water.

Peta Pikiran

Video Tanya Jawab

  • How is Sydney's drinking water sourced?

    Sydney's drinking water is sourced from local natural sources.

  • What is turbidity?

    Turbidity is the cloudiness of water caused by particles suspended in it.

  • What processes are used to remove colloids from water?

    The processes used are coagulation, flocculation, and filtration.

  • What is the role of chlorine in water treatment?

    Chlorine is added to protect the water from harmful pathogens.

  • Why is fluoride added to the water?

    Fluoride is added to help prevent dental decay.

  • How often are the filters monitored and cleaned?

    The filters are monitored and cleaned several times a week.

  • What guidelines does Sydney water meet?

    Sydney water meets the Australian drinking water guidelines.

  • Why do people prefer drinking Sydney water from the tap?

    People prefer it because it is considered some of the best and safest drinking water in the world.

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Gulir Otomatis:
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    [Music]
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    we live in a world-class City so it's no
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    surprise that our drinking water is some
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    of the best in the world to get it to
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    this high quality Sydney water sources
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    water from local natural sources and
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    then filters it and our water filtration
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    plants in its natural state there are
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    some particles in it which is part of
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    the natural environment some of the
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    particles are heavy like gravel and sand
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    these will settle to the bottom of the
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    water quickly
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    there are even lighter large objects
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    like leaves and twigs in the water when
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    the water enters the water filtration
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    plant the leaves and twigs are collected
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    straight away by a screen they are
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    removed from the water and composted but
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    some particles like clay and tannins are
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    so small but they stay in suspension or
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    a dissolve in the water we can tell how
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    many of these particles are in the water
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    by measuring its turbidity turbidity is
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    the cloudiness of the water the cloudy
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    of the water looks the more turbid it is
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    the particles that cause turbidity are
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    called colloids these particles are
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    continuously moving in water because
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    they carry a negative surface charge so
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    every time they come close to each other
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    they bounce apart colloids are so small
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    but that would go straight through a
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    filter to remove these colloids we
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    follow the processes of coagulation
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    flocculation and filtration these
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    scientific methods were first used by
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    ancient Egyptians and have been
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    practiced by humans for thousands of
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    years firstly we raise the pH level of
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    the water by using our hydroxide such as
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    lime this prepares the water for the
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    chemical reaction in the next steps then
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    we disrupt the negative charge of the
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    colloids by adding a coagulant the
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    coagulant has a positive charge which
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    neutralizes the negative charge of the
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    colloids this is coagulation
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    we use a giant stirrer to mix the
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    coagulant into the water quickly which
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    encourages the colloids to bump into
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    each other and start to stick together
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    this rapid mixing is flocculation to get
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    the particles to become even bigger and
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    stronger we add a polymer the polymer
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    grabs onto the group of colloids
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    clumping them together to form a flock
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    this flock can easily be trapped in our
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    filters and remove from the water
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    reducing its turbidity our filters are
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    made up of deep layers of tightly packed
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    crush coal sand and gravel which is
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    continuously monitored and cleaned
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    several times a week this is called
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    filtration to further protect the water
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    from pathogens which may be harmful
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    we also carefully add small amounts of
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    chlorine this ensures our water is safe
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    to drink from the tap as a final step we
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    add a small amount of fluoride to the
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    water it's not part of the filtration
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    process but it's a safe and effective
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    way of preventing dental decay at Sydney
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    water we have teams of highly skilled
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    people working around the clock to
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    ensure that our water meets the
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    Australian drinking water guidelines
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    which are some of the strictest in the
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    world so the next time you turn on the
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    tap you can feel proud and assured that
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    you have some of the best and safest
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    drinking water in the world that's why
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    most people choose to drink Sydney water
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    straight from the tap over any other
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    water every day
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    [Music]
Tags
  • Sydney water
  • drinking water
  • filtration
  • coagulation
  • flocculation
  • turbidity
  • chlorine
  • fluoride
  • water quality
  • Australian guidelines