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Lecture_15 - @WgcAL—LLAQWJQ MWHH%4W,M-br’D qua“...

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Unformatted text preview: @WgcAL—LLAQWJQ. MWHH%4W,M -br’D qua“ fifltfiq (Laund- Phase 1 - Phase 1 Phase Feed . Creation MSA Phase 2 {a} (bl Phase 1 ic} Feed Phase 1 Phase 1 Feed Force field or gradient Phase 2 id) Figure 1.7 General separation techniques: (a) separation by phase creation; (b) separation by phase addition; (c) separation by barrier; (d) separation by solid agent; (e) separation by force field or gradient. #wvo‘m m We‘d-3.3M PM (”1” wL+.:aav¢-;o) We... Mac-4am; WWW—“WIT ¢3T¢:~‘3. W Com—finanLNGIO-o—paui-s: L1H Lywmwww “Vi-6M) -— W '\ ere-W «\si—u-o mac-die pLL-fa: Coal/«mks .. a WloLQ-k 4 a. 3-0” (fur-6— ' — wwd a— C54» ’5‘,“ - I... M. Etna-L; 1”?qu q .5“. «inqéou' m1 Lode—l H w . h Urokmase . Luciferase o Insulin 0 Log (Price. $J'Ib) Log (Weight Fraction in Substrate) Figure 1.10 Effect of concentration of product in feed material on price [8]. Table 1.9 Factors That Influence the Selection of Feasible Separation Operations ' ___'—_______-__—_.____.—— A. Feed conditions 1. Composition, particularly concentration of species to be recovered or separated Flow rate . Temperature Pressure . Phase state (solid, liquid, andz‘or gas) .3. Product conditions 1. Required purities’of products 2. Temperatures 3. Pressures 4. Phase states C. Property differences that may be exploited 1. Molecular 2. Thermodynamic 3. Transport D. Characteristics of separation operation 1. Ease of scale~up 2. Ease of staging 3. Temperature, pressure, and phase-state requirements 4. Physical size limitations 5. Energy requirements ___—____.—-—-———-—— Use asymptote Distillation 0 Gas Absorption o ExtJAzeo. Dist. Crystallization . :_ Ion Exchange 0 ° ' SOIVEM 93“- «3 0 Adsorption: gas feed E fl) 0‘! 3 0 Adsorption: liquid feed Supercritical o Membranes: gas feed gas abs.fe};t. o Membranes: liquid feed '_ I Chromatography: liquid feed LiqUId membranes 0 0 Field - induced separations I Affinity separations First application Invention Tech nological Matu rity Figure 1.11 Technological and use maturities of separation processes [8]. Technology asymptote ...
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