11- 9dxdt, x decreases when t increasesdxdtbecomes less negative until x reaches 0;Each curve is concave up and approaches x = 0 as t;increasesdxdtbecomes more negativex decreases faster.=−<→∞⇒⇒±±mxm2000d.dxxmMdtxt0450.±zz⇒ln.±.exp±xmtxmt0 45200200⇒ =−FHGIKJCheck the solution: ().±exp(±)±1200200200t = 0, x = 0.45satisfies the initial condition;(2) dxdtsatisfies the mass balance.⇒×−⇒mmtmxe.±ln.mtxf=⇒=−1002kg mindi90% ⇒=⇒=
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This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.