Question

Name the filter aid *


A.Cotton wool

B.Filter Paper

C.perlite

D.All​

Answer 1

Answer:

The common filter aids are diatomaceous earth (DE), perlite, cellulose and others. Diatomaceous earth (DE) is the skeleton of ancient diatoms. They are mined from ancient seabed, processed, and classified to make different grade of filter aids.

Answer 2

Name of the filter aid are cotton wool, perlite, and filter paper etc.

• Filter aid is defined as an agent that is involved in enhancing the permeability of the filter and ultimately improving the filtering efficiency as well as containing solid particles.
• The filter aid is either placed as a layer on the filter via which the liquid must flow leaving the solid particles behind or added into the suspension that needs to be filtered.
• Cotton wool is used as a filter aid which involves a small absorbent cotton that is put inside the neck of the funnel to remove large solid particles from the clear liquid.
• Filter paper is also used as a very popular filter aid.
• Pertile is one of the examples of filter that is a finely divided solid material, containing strong, hard and incompressible particles. Inside the suspension, many of the common filter aids are inserted as an admix.

Hence, the correct option is d.