RQ 4 - CHEN 4820 Reading Quiz 4 (filtration) Harrison sec...

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CHEN 4820 Reading Quiz 4 (filtration) Harrison sec 4.0, 4.1, and 4.2 and Raghunath Pledge: On my honor, I have neither given nor received aid on this quiz. Print name: _________________________________________ Signature: __________________________________________ Quiz: Select the one option that best answers the question by circling the letter in the box next to that answer. Q1. What answer best describes gradual pore plugging , the basis for the Raghunath Vmax model? A Particles accumulate on the surface of the filter, forming a cake that covers the filter pores. B Particles larger than the pore arrive at the filter surface and in a random process, block the pore entrance. C Particles smaller than the pore entrance enter the filter and build up on the walls of the pore until the pore is occluded. D Adsorption of dissolved solids occurs on the pore walls, layer upon layer, until the pores are blocked. A1. C Q2. Two modes of filtration are dead end (a k a conventional) filtration and crossflow (a k a tangential flow) filtration. In dead end filtration run at constant pressure, the feed stream flows [BLANK] the filter surface, and the filter cake [BLANK] as filtration continues, generally causing the filtrate flowrate to [BLANK] over time. In crossflow filtration run at constant pressure, the feed stream flows [BLANK] the filter surface, and the
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This note was uploaded on 08/10/2011 for the course CHEN 4820 at Colorado.

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RQ 4 - CHEN 4820 Reading Quiz 4 (filtration) Harrison sec...

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