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HEMISKI Zbirka re{eni zada~i REAKTORI 3

HEMISKI Zbirka re{eni zada~i REAKTORI 3

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FMo<br />

9,<br />

07<br />

3<br />

CMo<br />

0,<br />

169 kmol/m .<br />

o<br />

53,<br />

7<br />

Ravenkata na toplinskiot bilans (2) se kombinira so ravenkata<br />

na molskiot bilans (1),<br />

554<br />

N<br />

FAo i P,<br />

i o<br />

r Ao<br />

i1<br />

~<br />

C ( T T ) ( H<br />

( T))<br />

F X ,<br />

H r T<br />

T To<br />

~ X<br />

iC<br />

P,<br />

i<br />

)) ( ( <br />

<br />

. (4)<br />

<br />

Ponatamu, vo ravenkata (4) t<strong>re</strong>ba da se zam<strong>eni</strong> temperaturnata<br />

zavisnost za toplinata na <strong>re</strong>akcijata i da se razvie i<br />

p<strong>re</strong>smeta sumata vo im<strong>eni</strong>telot. P<strong>re</strong>tpostavuvaj}i konstantni<br />

v<strong>re</strong>dnosti za toplinskite kapaciteti, se dobiva slednovo:<br />

~<br />

H r ( T ) H<br />

r ( TR<br />

) CP<br />

( T TR<br />

)<br />

~ ~ ~ ~<br />

C C C C 46 35 18<br />

7<br />

kcal/(kmol·K)<br />

P P,<br />

C P,<br />

A P,<br />

B<br />

~<br />

P,<br />

i<br />

iC<br />

H r ( T ) 20235,<br />

89 7(<br />

T 293)<br />

kcal/kmol<br />

~ ~ ~ ~<br />

iC P,<br />

i<br />

ACP,<br />

A <br />

BC<br />

P,<br />

B <br />

M CP,<br />

M<br />

35 12,<br />

518<br />

0,<br />

0519,<br />

5 <br />

261 kcal/(kmol·K)<br />

FBo<br />

2268<br />

FMo<br />

9,<br />

07<br />

A 1, 0;<br />

B 12,<br />

5;<br />

M 0,<br />

05 ;<br />

F 181,<br />

44<br />

F 181,<br />

44<br />

Ao<br />

20235, 89 7(<br />

T 293)<br />

T To<br />

<br />

X . (5)<br />

261<br />

Na krajot ravenkata (5) ja pi{uvame eksplicitno vo odnos<br />

na konverzijata:<br />

261(<br />

T To<br />

)<br />

X EB <br />

. (6)<br />

20235,<br />

89 7(<br />

T 293)<br />

Dvete ravenki {to t<strong>re</strong>ba da se <strong>re</strong>{at se ravenkite (3) i (6).<br />

Re{<strong>eni</strong>eto i grafi~koto p<strong>re</strong>tstavuvawe so primena na<br />

POLYMATH e kako {to sledi:<br />

Ao

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