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Which of the following devices is used for the removing of particulates from a gas by using water droplets?

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in Casting-Forming-Welding I by (687k points)
Which of the following devices is used for the removing of particulates from a gas by using water droplets?

(a) Pulse cleaner

(b) Air cleaner

(c) Dry scrubber

(d) Venturi scrubber

I got this question during an online exam.

The query is from Dust Collecting Equipment topic in section Foundry Environment Health & Dust Problem in Foundries of Casting-Forming-Welding I

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Right choice is (d) Venturi scrubber

For explanation: Venturi scrubbers are used to remove dust particulate from the gas stream. Venturi Scrubber includes a venturi part in combination with a droplet separator part, where the gas is fed into the part and it proceeds through a water mist at the venturi throat at high speed. The dust particle mixes with water to form large particles that remove itself from the gas in the separator part.

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