TLS Online TPP Program

#Question id: 21937


Which one of the following statements pertaining to ultrafiltration is INCORRECT?

#Unit 12. Biochemical Engineering
  1. In symmetric membranes entire membrane thickness acts as selective barrier
  2. In asymmetric membrane only a thin top layer determines the selective barrier
  3. All molecules below the Molecular Weight Cut Off (MWCO) – value will be retained on the membrane while all the other molecules will be permeated
  4. Membrane processes can be distinguished according to the type of driving force