Aula_12_2012
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Transcript of Aula_12_2012
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Equilíbrio na Extração
Navaes
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Regra das Fases
F + V = C + 2 F = número de fases
V = graus de liberdade
C = número de componentes
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DIAGRAMAS TRIANGULARES
RETOS (HUNTER-NASH) Região de 1 fase
Região de 2 fases
Curva de Extratos Curva de Rafinados
Linha de amarração
( Soluto ) ( Solvente )
( Diluente )
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Diagrama Triangular Regra da Alavanca
D x DF = E x EFD E
FD
E
F
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Equilíbrio na Extração de BTX
Hexano
Benzeno
Sulfolene 25% S
20%
Benzeno
25%
65% S
80%
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SISTEMAS TERNÁRIOS DE
INTERESSE TIPO I :Um Par De Líquidos Parcialmente Miscíveis
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TIPO II: 2 Pares de Líquidos Parcialmente Miscíveis
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TIPO III:
3 Pares de Líquidos Parcialmente Miscíveis
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Sistema do tipo I – alta solubilidade
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Sistema do Tipo I – média solubilidade
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Sistema do Tipo II
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INFLUÊNCIA DA TEMPERATURA
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Coeficiente de Distribuição
(XA)E
(XA)R
KA=
(XA)E
(XA)R
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Dados de equilíbrio experimentais
P S
A
A+P
A+P
S
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Influência da Temperatura
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Influência da Temperatura