8-728.96 a. 2.30 lb 15.0 wt% H SO @ 77 F HBtu/lbm (lb ) 80.0 wt% H SO @ 60 F Hm ( lb ) 60.0 wt% H SO @ T F, Hm24o1m2m24oadiabatic mixing3mo3⇒=−−UV|||W|||⎯→⎯⎯⎯⎯±±±10120Total mass balance: 2.30 +H SO mass balance: 2.30 0.150lb (80%)lb (60%)22mmmmmm=+=UV|W|⇒==RS|T|332308000 600517747bgbg.(.)..b. Adiabatic mixing=Btu / lbFigure 8.5-1T =140 Fmo−−=⇒=−EQHHHΔ07 472 3010120086133.±..±.bgbgc. ±±±HQmHH60 wt%, 77 FBtu / lb60 wt%, 77 FBtuomodibg=−=−+=−1307 475130328d. Add the concentrated solution to the dilute solution . The rate of temperature rise is much lower (isotherms are crossed at a lower rate) when moving from left to right on Figure 8.5-1.
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This note was uploaded on 01/07/2012 for the course CH E 210 at Pennsylvania State University, University Park.