what can you see in the picture

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hat can you see in the picture

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What can you see in the picture . Where do I come from. I. Come from. Rain. River. Lake. Well. Can you drink me. What am I Called . I am called sewage or waste water . I will tell you how I became like this. Ch.18. Waste. Water. Story. What difference c an you see ?. - PowerPoint PPT Presentation

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Page 1: What can you see in the picture

What can you see in the picture

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Where do I come from

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ICome from

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Rain

River

Lake

Well

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Can you drink me

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What am I Called

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I am called sewage or waste water

I will tell you how I became like this

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Ch.18 Waste StoryWater

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PICTURE 1 PICTURE 2

What difference can you see ?

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How you think I

became

Became like this ?

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I will tell you how

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industrial

water

riverside

Waste

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How people make me dirty Home

Kitchen waste Cleaning the

house Watering plants

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How people make me dirty

Hospital Disposal of

medicines Cleaning surgical

instruments

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How people make me dirty Daily activities

Bathing Washing utensils Shaving

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How people make me dirty

Mining Cleaning ore Other activities

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How people make me dirty

Industries

Releasing chemical waste

Diluting chemicals

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The waste from above all areas is called as the sewage.

The dissolved impurities are called as pollutants or contaminants

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1.Phosphates & nitrates2.Metals like iron copper zinc

1.Urine & excreta2.Kitchen waste3.Animal waste

Organic impuritiesInorganic

impurities

Nutrients

SEWAGE

Bacteria1. Typhoid

bacteria2. Cholera

bacteria

1.Nitrogen2.Phosperous

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PurificationOf

SewageFiltration Chlorination

Removing of impurities and contaminants

Using chlorine to clean water

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Use of mouse is compulsory

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1. Sewage is mainly generated from which of these?

Houses

Hospitalsoffices

Factories

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2. Which of the process is used to remove dirt and sand from wastewater

Filtration

AerationChlorination

Sedimentation

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3. Aeration of water during waste water treatment removes which of these?

Germs

Insoluble thingsHuman waste

Bacteria

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4. Which of the process during wastewater treatment helps in killing germs

Flocculation

AerationChlorination

Sedimentation

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5. Which of these disease can happen after drinking contaminated water

Small pox

MalariaCholera

Pneumonia

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6. Jaundice affects which organ

Stomach

HeartLungs

Liver

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7. Which method can be used to make ocean water fit for drinking

Chlorination

Reverse osmosisBoiling

Filtration

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THANK YOUFor

Playing

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T H A N KY OU