What is the function of skimmer in wastewater treatment plant?

It helps in aerobic bacteria to grow to decompose organic matter

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It helps in removing floatable solids and liquids

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It helps in removing large objects

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Solution

The correct option is B
It helps in removing floatable solids and liquids

Wastewater generated from households and industries usually contain large amounts of oils and fats. The skimmer removes the floatable solids and liquids like oil and grease so that the wastewater can be further processed

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Similar questions

Q. In the aeration tank of a wastewater treatment plant, aerobic bacteria help in getting rid of some contaminants. Name some of these contaminants. How do the bacteria help to remove these contaminants?

Some students of class 7 were taken for an educational trip to Waste water treatment plant .The teacher explained the process of water treatment. Identify the correct order of the process.

Step I:The liquid material is passed through sedimentation tank where solid waste like faecal matter, sand, grit settles down.

Step II:This solid matter is then removed with the help of a scrapper. This is the sludge.

Step III: Waste water is passed through bar screens to remove big objects like cans, sticks, rags etc.

Step IV: A skimmer removes the floatable solids like oil, grease etc.

Step V: Air is pumped into clarified water to help aerobic bacteria to grow. The bacteria then consume the unwanted matter still present in clarified water.

Step VI: The clear water so obtained is called clarified water.

Step VII:The suspended microbes settle at the bottom & the water is removed from the top.

Q. Name the service which is related to the following cases:
(i) The service which helps in removing hindrance of knowledge
(ii) The service which helps in removing hindrance of exchange
(iii) The service which helps in removing hindrance of place
(iv) The service which helps in removing hindrance of time
(v) The service which helps in removing hindrance of risk.

Question 20

Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence.
(a) Sludge is scraped out and skimmer removes floating grease.
(b) Water is made to settle in a large tank with a slope in the middle.
(c) Large objects like plastic bags are removed by passing wastewater through bar screens.
(d) Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.
(e) Wastewater enters a grit and sand removal tank.

What is the function of a skimmer in a wastewater treatment plant?

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What is the function of skimmer in wastewater treatment plant?

The correct option is B It helps in removing floatable solids and liquidsWastewater generated from households and industries usually contain large amounts of oils and fats. The skimmer removes the floatable solids and liquids like oil and grease so that the wastewater can be further processed

The correct option is B
It helps in removing floatable solids and liquids

Wastewater generated from households and industries usually contain large amounts of oils and fats. The skimmer removes the floatable solids and liquids like oil and grease so that the wastewater can be further processed