資料詳細

目次

Ⅰ.Introduction of Mass Transfer in Metallurgical Process

  1.Examples of metallurgical process

  2.Basic equations to describe the metallurgical mass transfer

Ⅱ.Steady State Diffusion(Fick's 1st law)and Relating Mass Transfer

  1.Molecular diffusion and Fick's 1st law including the effect of convection

  2.Steady state diffusion problems

Ⅲ.Unsteady State Diffusion(Fick's 2nd law)and Relating Mass Transfer

  1.Fick's 2nd law

  2.Mass transfer coefficient and diffusion coefficient

Ⅳ.General Formulation of Mass Transfer in Batch Process

  1.Basic equation for batch process

  2.Linear thermodynamics

  3.Nonlinear thermodynamics

  4.The chemical reaction which has an infinity large equilibrium constant

Ⅴ.Application of Mass Transfer Analysis for Continuous Processing

  1.Differences in general formulation for batch and continuous process

  2.Case study(1);Deoxidation of molten blister copper using a submerged CO jet

  3.Case study(2);Kinetics of vacuum dezincing of lead

Ⅵ.Problems and Solutions

  Problem 1 The diffusion coefficient of zinc vapor in nitrogen

  Problem 2 The roasting of zinc sulphide with oxygen

  Problem 3 Fume formation in basic oxygen furnace

  Problem 4 The electrowinning of zinc

  Problem 5 The dissolution rate of tungsten pellets falling through the liquid pool of a continuously cast steel billet

  Problem 6 The prediction of decarburization rates in the molten steel experiment

  Problem 7 Oxygen absorption in an open‐pour stream of continuous casting

  Problem 8 Manganese loss during steelmaking

Additional Short Discussions in Metallurgical Mass Transfer

  A-1.Decarburization in Q-BOP

  A-2.Evolution of CO in the refining of low carbon ferro‐chrome alloy

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