WorksheetsNanoteknologi Proses - Membran
Total questions: 10
Worksheet time: 5mins
What is the main function of a membrane in a separation process?
As a reactive component
As a selective barrier
As a cooler
As a pressure pump
What is the driving force in the reverse osmosis process?
Concentration difference
Electric voltage difference
Pressure difference
Temperature difference
The correct order of pore size from MF to RO is...
MF > UF > NF > RO
RO > NF > UF > MF
UF > MF > RO > NF
RO > UF > MF > NF
Pervaporation is primarily used for...
Seawater desalination
Solvent and water separation
Protein filtration
Coarse particle filtering
The separation process in reverse osmosis is based on the principle of...
Sieving
Adsorption
Solution-diffusion
Coagulation
A Mixed-Matrix Membrane (MMM) consists of...
Metal and water
Polymer with solid (inorganic) fillers
Resin and dyes
Electrolytes and salts
The membrane fabrication method using particle radiation is...
Sintering
Track-etching
Phase inversion
Template-leaching
Zeolite membranes can be fabricated through...
Sputtering
In-situ crystallization
Track etching
CVD
Pyrolysis of polymer precursors produces...
Cellulose membranes
Carbon membranes
Inorganic membranes
Liquid membranes
What is a weakness of MMM related to polymer-filler interface?
Too high permeability
Interfacial voids
Excessive hydrophilicity
Low crystallinity
