WorksheetsKMK30203 Quiz: Lecture 9.1
Total questions: 10
Worksheet time: 3mins
Membrane separation relies heavily on the ________________ for the separation process.
thermodynamics factors
densities of the particles
sedimentation rates
shape of the particles
Which of the following is NOT a type of membrane?
symmetric membrane with micropores
symmetric dense membrane
asymmetric dense membrane
asymmetric homogeneous membrane
Which of the following is NOT used as an example of the membrane in Lecture 9.1?
Fried egg
Kidney
Artificial skin
Ling aveolus
Which of the following is CANNOT be filtered using ultrafiltration?
Latex
Seawater
Bacteria
Milled flour
Which of the following is NOT a membrane filtration mechanism?
Size inclusion
Selective retardation
solution-diffusion
DIffusion through mesopores
Which of the following parameter is crucial for the selective retardation membrane filtration mechanism?
Viscous flow
Knudsen flow
cross-sectional area
solubility
Which of the following type of membrane follows the solution-diffusion filtration mechanism?
Dense membrane
Porous membrane
Filter medium
Filter cake
Which of the following is NOT the driving force of the membrane filtration?
External Pressure
Concentration
Osmotic Pressure
Temperature
What is the difference in terms of the selectivity for porous and non-porous membranes?
Solubility of the solute is considered in porous membranes
Solubility of the solute is not considered in porous membranes
Diffusitivity of the solute is considered in porous membranes
Diffusitivity of the solute is considered in dense membranes
What is the typical Molecular weight cut-off (MWCO) point?
90% Retention
90% Acceptance
90% Selectivity
90% Molecular weight
