Laboratorio N 02CONCENTRACION DE UNA DISOLUCIN POR EVAPORACINTiempoTvMasa vaporTlConcentracin del solutoTs
089.710014.11
8927.0410415.6332.8
1692.420.9210616.3191.7
2491.437.1410617.1420.5
3292.451.410717.4400.4
4092.464.6610817.7482.1
Tprom= 91.7Ts= 365.5
Dimetro InicialProfundidad InicialDimetro FinalAltura finalPermetro InicialPermetro Final
13.36612.415.54239
Peso InicialPeso FinalT inicialT ebullicinT ebullicin promedioPeso final Condensado
668526.384489.791.764.66
9291.7
92.491.7
91.491.7
92.491.7
92.491.7
1. Clculos:
Peso Inicial = 38.24 34.6= 3.64 grVi= 3.4 ml
== 1. 07
Volumen del lquido inicial
Peso final = 37.84 34.84= 3 grV= 2.85 ml
= 1.052 V = =
Calor Latente
QL= M vapor generado * H operacinQL= 0.06466 * 636.088QL= 41,129 Kcal
Calor Sensible
QS = Mdisoluc . CP. (Tpto ebullicin Ti)Qs= (0.668 g ) * (1) * (91.7 44)CQs= 32.818 kcal
HT= QL + QsHT= 41.129 + 32.818HT= 73.947 kcal
Donde:
XF= 0.1470Ts= 482,1 CXL= 0.1770 V= 0.097 kg/h Balancee de Materia:F = L + V
F (XF) = L (XL) + V (XVo)
F (0.853) = L (0.823) + (0.097)(1)..(1*)
F= L + 0.097 (2*)
Remplazando la Ec. (2*) En Ec. (1*) Tenemos:
(L + 0.097)*(0.853) = 0.097 + (0.823) LL = 0.475 kg / h
Remplazamos la Ec. (2*)
F = L + 0.097 = 0.475 + 0.097 F = 0.572 kg /h
Velocidad promedio de Tc
Q= 110.92 kcal/ h
Area
251.83 cm2214.25 cm2
A prom = 246.54 cm2
Q = UA (Ts TV )Uprom= 16.43 Kcal/ cm2CTs = h = 567.105 kJ/kg = 135.45 Kcal/kg Calculo de vapor de agua de calentamiento Q = S S = 0.8188 kcal /h Economa de ProcesoE = 0.118 Diagrama de Tiempo Vs Concentracin