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Clarification and Filtration Techniques

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Questions and Answers

What is the purpose of filtration in the production of water for pharmaceutical use?

To assess the efficacy of preservatives

To remove microorganisms (correct)

To detect ion of microorganisms present in liquids

To obtain a drug or excipient after a crystallization process

What is the mechanism of filtration in which particles become entrapped in the depth of the medium?

Surface Straining

Cake Filtration

Depth Straining

Depth Filtration (correct)

What is the purpose ofcake filtration in pharmaceutical processes?

To recover solid material from a suspension of slurry

To detect ion of microorganisms present in liquids

To assess the efficacy of preservatives

Solid recovery (correct)

What is the mechanism of filtration in which particles are trapped on the surface of the filter medium?

Surface Straining Signup and view all the answers

What is the purpose of filtration in the recovery of colloidal delivery systems from mother liquor?

To use techniques such as nanofiltration, ultrafiltration, and microfiltration Signup and view all the answers

What is the mechanism of filtration in which particles travel along the pore until they reach a point where the pore narrows down to a size too small?

Depth Straining Signup and view all the answers

What is the process of clarification defined as?

Removal or separation of a solid from a liquid, or a fluid from another fluid Signup and view all the answers

What is the purpose of centrifugation in clarification?

To separate fluid from another fluid or to collect the solid as the product Signup and view all the answers

What is the permeable material used in filtration called?

Porous medium Signup and view all the answers

What is the resulting liquid after filtration called?

Filtrate Signup and view all the answers

What is the term for the solids deposited on the filter surface?

Residue Signup and view all the answers

What is the process called when recovery of solids is desired?

Cake filtration Signup and view all the answers