Răspuns :
n1 moli CH3OH + 1/2O2 ⇒ CH2=O + H2O
n5 moli CH2=O + 1/2O2 ⇒ HCOOH
n2 moli CH3OH ⇒ CH2=O + H2
n3 moli CH3OH + 3/2 O2 ⇒ CO2 + H2O
n4 moli CH3OH netransformat
n1 + n2 + n3 + n4 = 100 aer (30moli O2 + 120moliN2)
n5/n3 = 3/1 n5 = 3n3
n1/2 + n5/2 + 3n3/2 = 30 n1 + n5 + 3n3 = 60 n1 + 6n3 = 60
(n1-n5+n2)·100 /100 =60 n1 - n5 + n2 = 60 2n1 + n2 + 3n3 = 120
(n1+n2+n3)·100/100 = 80 n1 + n2 + n3 = 80
n1 + 2n3 = 40
n1 + 6n3 = 60 4n3 = 20 n3 = 5 n5 = 15 n1 = 30 n2 = 45 n4 = 20
amestec final : CH3OH (n4 = 20 moli) ; CH2=O (n1+n2 -n5 = 60 moli)
HCOOH (n5 = 15 moli) ; H2O(n1 + 2n3 = 40 moli) ; H2 (n2 = 45 moli) ;
CO2 (n3 = 5 moli ); N2(120 moli ) n total = 305 moli
%CH2O = 60·100/305 = 19,67% %CH3OH = 2000/305 = 6,557%; %HCOOH = 1500/305 = 4,918% %H2O = 4000/305 = 13,114% ; %H2=4500/305 = 14,754%; %CO2 = 500/305 = 1,639%;
%N2 = 12000/305 = 39,344%
n5 moli CH2=O + 1/2O2 ⇒ HCOOH
n2 moli CH3OH ⇒ CH2=O + H2
n3 moli CH3OH + 3/2 O2 ⇒ CO2 + H2O
n4 moli CH3OH netransformat
n1 + n2 + n3 + n4 = 100 aer (30moli O2 + 120moliN2)
n5/n3 = 3/1 n5 = 3n3
n1/2 + n5/2 + 3n3/2 = 30 n1 + n5 + 3n3 = 60 n1 + 6n3 = 60
(n1-n5+n2)·100 /100 =60 n1 - n5 + n2 = 60 2n1 + n2 + 3n3 = 120
(n1+n2+n3)·100/100 = 80 n1 + n2 + n3 = 80
n1 + 2n3 = 40
n1 + 6n3 = 60 4n3 = 20 n3 = 5 n5 = 15 n1 = 30 n2 = 45 n4 = 20
amestec final : CH3OH (n4 = 20 moli) ; CH2=O (n1+n2 -n5 = 60 moli)
HCOOH (n5 = 15 moli) ; H2O(n1 + 2n3 = 40 moli) ; H2 (n2 = 45 moli) ;
CO2 (n3 = 5 moli ); N2(120 moli ) n total = 305 moli
%CH2O = 60·100/305 = 19,67% %CH3OH = 2000/305 = 6,557%; %HCOOH = 1500/305 = 4,918% %H2O = 4000/305 = 13,114% ; %H2=4500/305 = 14,754%; %CO2 = 500/305 = 1,639%;
%N2 = 12000/305 = 39,344%