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HEMISKI Zbirka re{eni zada~i REAKTORI 3

HEMISKI Zbirka re{eni zada~i REAKTORI 3

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Iako brzinskiot izraz e prili~no golem, poznata e izleznata<br />

konverzija. Zatoa Simpson-ovoto ednot<strong>re</strong>tinsko pravilo }e<br />

t<strong>re</strong>ba vnimatelno da se prosledi.<br />

Ravenkata (2) se <strong>re</strong>{ava na sledniov na~in:<br />

328<br />

W<br />

F<br />

Ao<br />

X<br />

W<br />

F<br />

Ao<br />

0,<br />

6<br />

f<br />

1<br />

0<br />

X<br />

o<br />

<br />

R<br />

0,<br />

6<br />

dX<br />

0,<br />

6<br />

f R ( X , T ) dX ; f R ( X , T ) <br />

r<br />

( <br />

1<br />

;<br />

r )<br />

( )<br />

0 A 0<br />

A<br />

h<br />

( X , T ) dX o o<br />

1 1 2 2<br />

3<br />

h 0 <br />

X<br />

h <br />

0,<br />

3<br />

2<br />

f( X , T ) 4 f ( X , T ) f ( X , T ) <br />

X<br />

2<br />

0,<br />

3;<br />

o<br />

0,<br />

6 0<br />

<br />

2<br />

X<br />

2<br />

X<br />

o<br />

0,<br />

3<br />

;<br />

2h<br />

0 2 0,<br />

3 <br />

0,<br />

6.<br />

Vo tabelata podolu se dad<strong>eni</strong> site pot<strong>re</strong>bni podgotovki<br />

za <strong>re</strong>{avawe na ravenkata (4):<br />

X Xo = 0 X1 = 0,3 X2 = 0,6<br />

T(K) (ravenkata (3)) 688 751,3 814,6<br />

k(T) = exp(12,16–(5473/T)) 67,025 131,013 230,757<br />

K(T) = exp(–10,86–(11300/T)) 260,973 65,405 20,235<br />

K1(T) = exp(–9,953+(8619/T)) 13,126 4,568 1,873<br />

K2(T) = exp(–71,745+(52596/T)) 110,241 0,176 0,000176<br />

(–rA) (ravenkata (1)) 0,00625 0,0202 0,0230<br />

fR(X,T) 160 50 43,5<br />

Za koli~inata na katalizatorot se dobiva v<strong>re</strong>dnosta:<br />

W<br />

F<br />

Ao<br />

0,<br />

3<br />

<br />

3<br />

W 40,<br />

35<br />

F<br />

160 4 50<br />

43,<br />

5<br />

Ao<br />

<br />

40,<br />

35<br />

<br />

42,<br />

84<br />

<br />

40,<br />

35<br />

;<br />

1706 kg.<br />

;<br />

(4)

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