Q. Calculate the number of membranes required for the following data:

Flow: 535 m³/h
Area: 400 m²
Flux considered: 12 lmh

View solution

Q. Calculate the recovery for the following data:

Product Flow: 535 m³/h
Feed flow : 635 m³/h
Flux considered: 12 lmh

View solution

Q. What is the thumb rule to consider for osmotic pressure?

View solution

Q. What is the flux considered while designing a reverse osmosis system for treating RO permeate?

View solution

Q. What is the flux considered while designing a reverse osmosis system for treating bore well water?

View solution

Q. What is the flux considered while designing a reverse osmosis system for treating surface water?

View solution

Q. What is the flux considered while designing a reverse osmosis system for treating surface water with UF system?

View solution

Q. Where did the research on reverse osmosis begin?

View solution

Q. What is the membrane that selectively allows certain species to pass through called?

View solution

Q. In RO, the solvent passes through the membrane at a much faster rate than the dissolved solids.

View solution

Q. Which of the following membrane is used in the osmosis process?

View solution

Q. The chlorine resistant polyamide membranes are prepared from aliphatic polypiperazine amides.

View solution

Q. Which of the following materials is not used in the preparation of nanocomposite support membranes?

View solution

Q. What is the pore size of LTA-type zeolite nanoparticle?

View solution

Q. What is the pore size of MFI-type zeolite nanoparticle?

View solution

Q. What is the material used in the making of NS-200 membrane?

View solution

Q. What is the material used in the making of BARC-TFC2 membrane?

View solution

Q. What is the percentage of salt rejection of NS-100 RO membrane?

View solution

Q. Which among the following has the highest percentage of salt rejection?

View solution

Q. What is the permeate flux of the RO membrane FT-30?

View solution