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A stream of 2 kmol / h of a mixture of acetonitrile ( A ) and toluene ( T ) , of mole fraction of
A stream of kmolh of a mixture of acetonitrile A and toluene T of mole fraction
of acetonitrile is heated in a heat exchanger Q and then subjected to
a partial vaporization. The vapor nV and liquid nL compositions are
xV and xL in mole fractions of acetonitrile. The current nL coming out of the
vaporizer T is introduced into a distillation column R in order to obtain a
product nW with an xW The nV current leaving the vaporization is condensed
completely in the exchanger C and already in liquid form joins the distillate nD from R
to give rise to a product stream P with an xPA Calculate the value of the
distillate stream nD expressed in kmolh leaving RUn corrent de kmo d'una mescla d'acetonitril A i tolu de fracci molar
d'acetonitril s escalfat en un bescanviador de calor Q i seguidament es sotmet a
una vaporitzaci parcial. Les composicions del vapor i del lquid nL sn
i en fraccions molars d'acetonitril. El corrent que surt del
vaporitzador s'introdueix en una columna de destillaci per tal d'obtenir un
producte amb una El corrent que surt de la vaporitzaci es condensa
totalment al bescanviador ja en forma lquida s'uneix al destil lat procedent de
per donar lloc a un corrent de producte amb una xPA Calcula el valor del
corrent de destil lat expressat en kmo que surt de
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