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Questions and Answers
What is the primary purpose of filtration as described in the text?
What is the primary purpose of filtration as described in the text?
- Purification of metals
- Conversion of liquids to gases
- Separation of mixtures (correct)
- Extraction of essential oils
What is the name of the clarified liquid obtained after filtration?
What is the name of the clarified liquid obtained after filtration?
- Influent
- Effluent (correct)
- Cake
- Slurry
What is the term for the process of filtering a mixture to form a 'cake' of solids on the filter medium?
What is the term for the process of filtering a mixture to form a 'cake' of solids on the filter medium?
- Millipore filtration
- Cake filtration (correct)
- Vacuum filtration
- Cyclone filtration
In which scenarios might the filter media primarily act as a support rather than carrying out the actual filtration?
In which scenarios might the filter media primarily act as a support rather than carrying out the actual filtration?
What is the name for the process where the actual filtration is carried out by the solids deposited as a cake on the filter medium?
What is the name for the process where the actual filtration is carried out by the solids deposited as a cake on the filter medium?
What factor determines the life of surface or absolute filters?
What factor determines the life of surface or absolute filters?
What is the main purpose of a depth filter?
What is the main purpose of a depth filter?
How does a membrane filter differ from a depth filter?
How does a membrane filter differ from a depth filter?
What is the function of the permeate in membrane filtration?
What is the function of the permeate in membrane filtration?
What factors affect the rate of filtration according to Darcy Law?
What factors affect the rate of filtration according to Darcy Law?
What is the equation that combines all factors affecting the rate of filtration known as?
What is the equation that combines all factors affecting the rate of filtration known as?
In which type of filtration is flow of the suspension parallel to the filtering media used?
In which type of filtration is flow of the suspension parallel to the filtering media used?
What does 'depth' refer to in a depth filter?
What does 'depth' refer to in a depth filter?
What is one main application of membrane filters?
What is one main application of membrane filters?
What is the permeability coefficient 'K' defined as by Kozeny?
What is the permeability coefficient 'K' defined as by Kozeny?
What is the purpose of using filter media with smaller pore sizes towards the core in depth filtration?
What is the purpose of using filter media with smaller pore sizes towards the core in depth filtration?
What is the primary purpose of extraction?
What is the primary purpose of extraction?
What is the main application of liquid-liquid extraction?
What is the main application of liquid-liquid extraction?
What factor affects the rate of leaching by increasing the extraction rate due to an increase in solubility and diffusion of extracted materials?
What factor affects the rate of leaching by increasing the extraction rate due to an increase in solubility and diffusion of extracted materials?
How does agitation affect the extraction rate during leaching?
How does agitation affect the extraction rate during leaching?
What does the diffusion coefficient 'K'' represent in the rate of extraction equation dM/dt=K'A (Cs-C)/ b?
What does the diffusion coefficient 'K'' represent in the rate of extraction equation dM/dt=K'A (Cs-C)/ b?
What does 'dM/dt' represent in the rate of extraction equation dM/dt=K'A (Cs-C)/ b?
What does 'dM/dt' represent in the rate of extraction equation dM/dt=K'A (Cs-C)/ b?
In solid-liquid extraction (leaching), what is the purpose of dissolving soluble matter from its mixture with an insoluble solid?
In solid-liquid extraction (leaching), what is the purpose of dissolving soluble matter from its mixture with an insoluble solid?
How does increasing the temperature affect the extraction rate during leaching?
How does increasing the temperature affect the extraction rate during leaching?
What does 'A' represent in the rate of extraction equation dM/dt=K'A (Cs-C)/ b?
What does 'A' represent in the rate of extraction equation dM/dt=K'A (Cs-C)/ b?
What is the primary function of solid-liquid extraction (leaching)?
What is the primary function of solid-liquid extraction (leaching)?
What is the main purpose of the Bollman Extractor (Basket extractor)?
What is the main purpose of the Bollman Extractor (Basket extractor)?
What is the primary function of the Rotocel Extractor?
What is the primary function of the Rotocel Extractor?
What is the main disadvantage of the Batch plant Extractor?
What is the main disadvantage of the Batch plant Extractor?
Which equipment is used for leaching of intermediate solids by percolation?
Which equipment is used for leaching of intermediate solids by percolation?
What is the solvent most widely used in the Rotocel Extractor?
What is the solvent most widely used in the Rotocel Extractor?
What is the danger associated with the use of hexane in the Rotocel Extractor?
What is the danger associated with the use of hexane in the Rotocel Extractor?
What type of extraction occur in the descending column of buckets in the Bollman Extractor?
What type of extraction occur in the descending column of buckets in the Bollman Extractor?
What makes counter-current extraction more effective and desirable?
What makes counter-current extraction more effective and desirable?
What is the function of the Fixed-bed or Robert diffusion battery?
What is the function of the Fixed-bed or Robert diffusion battery?
What is the primary purpose of leaching equipment treatment before extraction?
What is the primary purpose of leaching equipment treatment before extraction?
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