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冶金原理 PowerPoint PPT Presentation


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冶金原理. 第五章 氧化物和硫化物的火法氯化. 上一章. 目录. 第一节 概述 第二节 氯化反应的热力学 第三节 氯化反应的动力学. 第一节 概 述.

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冶金原理

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Cl2HClNaClCaCl2


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(1)TiO2TiCl4Cl2MgCl2

(2)


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3)

4


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GT

T5-1GT


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5-11273K


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Mg+Cl2=MgCl2

-1/2Ti+Cl2=1/2TiCl4


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5-1,MgCl21/2TiCl4 3MgTiCl4Ti NaMgZrCl4


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MeO +Cl2 === MeCl2 +O2

1073K669440~1004160J1073K209200~460240JSiO2TiO2Al2O3MgO


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T5-25-3SiO2TiO2Al2O3Fe2O3MgOPbOCu2OCdONiOZnOCoOBiO


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11

MeO +Cl2 === MeCl2 +O2

KP =


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O2


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MeO +Cl2 === MeCl2 +O24

C + O2 === CO2 5

C +1/2O2 === CO26

42 + 5

MeO +C+2Cl2 === 2MeCl2+CO2 74+6

MeO +C+Cl2 === MeCl2+CO8


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900K71000K8TiO2


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TiO2+Cl2 ===TiCl4+O2

= 8054228024TJ

+C +O2 === CO2

= 11171387.66TJ

TiO2+Cl2+C ===TiCl4+CO

= 31171115.9TJ


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TiO2900K


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MeS+Cl2 === MeCl2+1/2S2 (9)


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T5-4


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5-45-25-4


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9SSO2


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Cl2HCl

MeO+2HCl === MeCl2+H2O

_


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10 Cl2

MeO+Cl2 === MeCl2+O2 (11)

) H2O+ Cl2 === 2HCl+O2 (12)

MeO+2HCl === MeCl2+ H2O


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T5-25-35-3H2O+ Cl2 === 2HCl+O2 H2O+ Cl2 ===HCl+O2HClHCl


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Cu2OPbOAg2OCdOCoONiOZnOH2OHCl HClSiO2TiOAl2O3Cr2O3SnO2HCl HCl


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MgO T773K 773K

MeO+2HCl === MeCl2+ H2O 13

773KMgOMgCl2773KMgCl2


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HCl/ H2OSnCl2HCl/(H2O+HCl)20%SnCl2HCl


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CaCl2(NaCl)CaCl2CaCl2NaCl

1CaCl2 CaCl2

MeO+ CaCl2 === MeCl2+CaO


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1


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2CaO

MeO+Cl2 === MeCl2+O2 , (14)

CaO+Cl2===CaCl2+O2, (15

MeO+CaCl2=== MeCl2+CaO , (16)


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MeOCaCl2161415MeOCl2 CaO MeO+ CaCl2

CaCl25-3 T


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1273K

Ag2O(s)+CaCl2(s) === AgCl (s)+CaO(s)

5-3

Ag2O(s)+ Cl2 ===2 AgCl (s)+O2

CaO (s) +Cl2 === CaCl2(s) +O2 ,


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  • Ag2O(s)+CaCl2(s) ===2 AgCl (s)+ CaO (s) ,

  • 1273KAg2OCaCl2

  • Cu2OCaOCu2OCaCl2

  • Cu2O(s)+Cl2(g) === Cu2Cl2(g)+O2(g) ,

  • CaO (s) +Cl2 === CaCl2(s) +O2 ,


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Cu2O(s)+ CaCl2(s) === Cu2Cl2(g)+ CaO (s) ,

1273KCu2OCaCl2

CaCl2Cu2ON2O2


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Cu2Cl21%1101325PaCu2Cl20.01101325PaCu2OCaCl2


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= RTlnPcu2cl2=20920+8.3142.3031273 (0.01)=27824J

Cu2Cl2Cu2OCaCl2

5-3CaOCaOPbOCdOCu2OBi2O5ZnOCuOCoONiOCaCl2


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  • 5-3CaOCaOPbOCdOCu2OBi2O5ZnOCuOCoONiOCaCl2CaCl2SO2SO3SiO2CaCl2


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  • Fe2O3CaOCaOCaCl2


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  • 1273KFe2O3CaCl2

  • FeCl30.01101325 Pa,:

  • ,


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  • (FeS2)FeS2Fe2O3(FeS2)FeS2Fe2O3


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  • CaCl2Fe2O3


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  • 2 NaClCaCl2NaCl1273KNaCl1273NaCl1%


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  • NaClNaClSO2SO3SO2SO3NaCl


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  • SO2NaClSO2SO3NaClCl2HClMeO


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  • 22873K673KHCl773K17=355180J17773K19=88282J21=114223J1920


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  • NaClSO2SO3CaCl2SO2SO3SiO2Al2O3SiO2CaOMgONa2OCaCl2MgClNaClCaOMgONa2O


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  • NaClNaClSO2NaClSFeS2,


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  • NaClSiO2Al2O322NaClHClNaClSiO2


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  • 22NaClHClNaClSiO2


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  • 1

  • 2

  • 3

  • 4

  • 5


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  • CuONiOCo3O4CuONiOCo3O46Lh15-1


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  • 5-1573K27%873KNiOCuOCo3O4


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  • V

  • WJ

  • B

  • logV1035-5


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  • 5-5aaabbb5-2


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  • 5-2CuONiOCo3O4


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  • Cl2HCl


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