Chapter 1  General Introduction
  References
Chapter 2  Recovery of Zinc from Galvanizing Dross by Supergravity Technology
  2.1  Conventional recovery methods for hot-dip galvanized dross
  2.2  Experimental
  2.3  Characterization of the original galvanizing dross
  2.4  Supergravity separation of galvanizing dross
    2.4.1  Effect of gravity coefficient
    2.4.2  Effect of separating time
    2.4.3  Effect of separating temperature
  2.5  Mechanism of supergravity separation of galvanizing dross
  2.6  Design of industrial device
  References
Chapter 3  Recycling of Scrap Aluminum Alloys by Supergravity Technology
  3.1  Conventional recycling methods of scrap aluminum alloy
  3.2  Experimental
  3.3  Iron removal and aluminum recovery from scrap AI alloy
    3.3.1  Effect of separating temperature
    3.3.2  Effect of Mn/Fe mass ratio
    3.3.3  Effect of gravity coefficient
  3.4  Solidification diagram and solidified phase fraction of scrap AI alloy
  References
Chapter 4  Overflow-Type Supergravity Reactor for Recycling of Scrap Aluminum Alloys
  4.1  Design of overflow-type supergravity reactor
  4.2  Numerical simulation
    4.2.1  Geometry and mesh model
    4.2.2  Governing equations
    4.2.3  Numerical methods and boundary conditions
  4.3  Physical simulation
    4.3.1  Water model
    4.3.2  Experimental process and setup
  4.4  Validation of numerical model's reliability
  4.5  Effect of reactor structures
    4.5.1  Effect of overflow pipe length
    4.5.2  Effect of overflow pipe installation height
    4.5.3  Effect of overflow pipe diameter
  4.6  Effect of process parameters
    4.6.1  Effect of gravity coefficient
    4.6.2  Effect of melt inflow rate
  4.7  Effect of inclusion characteristics
    4.7.1  Effect of inclusion density
    4.7.2  Effect of inclusion diameter
  References
Chapter 5  Preparation and Purification of Hafnium Metal by Electrolysis
  5.1  Conventional hafnium preparation process
  5.2  Molten salt electrolysis process
  5.3  Electrodeoxidation process
  References
Chapter 6  Recovery of Precious Metals by Synergetic Smelting of Spent Automotive Catalysts and Waste Printed
  Circuit Boards
  6.1  Conventional recycling methods for precious metals
  6.2  Experimental
  6.3  Design of slag system for synergistic smelting
    6.3.1  Phase diagrams of slag systems
    6.3.2  Formation of liquid phase during smelting
  6.4  Capture of PMs by synergistic smelting of SACs and WPCBs
    6.4.1  Effect of mass ratio of FeO/SiO2 in the slag
    6.4.2  Effect of CaO content in the slag
    6.4.3  Effect of smelting duration
    6.4.4  Effect of smelting temperature
    6.4.5  Effect of mass ratio of WPCBs/SACs
  6.5  The distribution of PMs in the crude Cu alloy
  6.6  Future industrial consideration
References