Filtration Flashcards
What is the definition of filtration?
Filtration is the process of separating solids from liquids or gases using a filter medium that allows the fluid to pass through while retaining the solid particles.
True or False: Filtration can only be used for liquids.
False
Fill in the blank: A common example of filtration in everyday life is __________.
coffee brewing
What is the primary purpose of a filter in the filtration process?
To separate particles from a fluid by allowing the fluid to pass while blocking the particles.
Which type of filtration uses a membrane to separate particles based on size?
Microfiltration
Multiple Choice: Which of the following is NOT a type of filtration? A) Mechanical B) Chemical C) Thermal D) Biological
C) Thermal
What is the difference between coarse and fine filtration?
Coarse filtration removes larger particles, while fine filtration targets smaller particles.
True or False: Filtration can be used to purify drinking water.
True
Short Answer: Name one application of filtration in industrial processes.
Purification of chemicals or air cleaning.
What is the role of gravity in gravity filtration?
Gravity helps to pull the liquid through the filter medium while retaining the solid particles.
Fill in the blank: Filtration is often used in __________ to remove contaminants.
water treatment
Multiple Choice: Which type of filtration is best suited for removing bacteria from water? A) Sand filtration B) Microfiltration C) Membrane filtration D) All of the above
D) All of the above
What is a filter cake?
A filter cake is the accumulation of retained solid particles on the filter medium during the filtration process.
True or False: Filtration can only occur under pressure.
False
Short Answer: What is one advantage of using filtration over other separation methods?
It is often simpler and requires less energy.
