本专著综述了目前铝电解工业危废的产生及处置利用现状，并重点针对铝灰等典型危废进行安全处置及资源化利用研究。主要包括铝灰处置技术：分类、成分、物相及表征分析、火法处置技术湿法处置技术电化学处置技术跨行业协同处置技术。本专著针对铝电解行业危废铝灰产生量大、污染严重和处理难度大的难点和热点问题开展深入剖析与细致研究，理论与实践相结合，对铝灰处置过程存在的关键科学问题进行凝练与总结，开展系列科学合理的试验研究，提出不同方式、各具特色的绿色高效处置工艺技术路线。本书适合冶金工程、环境工程等相关专业的师生阅读，也可供冶金工程、环境工程科技工作者及规范及标准制定工作者参考。

Chapter 1 Emissions and Hazards of Aluminum Dross
1.1 Classification, composition, and phase
1.2 Current status of research on the resource utilization of aluminum dross
1.2.1 Aluminum element extraction
1.2.2 Preparation of water purification agent
1.2.3 Preparation of separation medium
1.2.4 Preparation of building and road materials
1.2.5 Preparation of refractory materials
1.2.6 Preparation of steel making accelerator
References
Chapter 2 Pyrometallurgy Treatment Technology
2.1 Extracting alumina from aluminum dross in binary sintering system
2.1.1 Introduction
2.1.2 Materials and methods
2.1.3 Thermodynamic analysis
2.1.4 Effects of different factors on the roasting system
2.1.5 Effects of different factors on the leaching system
2.1.6 Analysis of the leaching kinetics
2.1.7 Thermal analysis and product characterization
2.2 Preparation of high white ultrafine aluminum hydroxide by aluminum dross ternary sintering
2.2.1 Introduction
2.2.2 Effect of different factors on roasting system
2.2.3 Migration behavior of toxic elements
2.2.4 Product characterization
2.2.5 Proposed flowchart
2.3 Research on preparation of calcium aluminate from aluminum dross
2.3.1 Introduction
2.3.2 Direct use of secondary aluminum dross in the refining process of molten steel
2.3.3 Preparation of steel refining agent from aluminum dross
2.4 Detoxification and extraction of solid and hazardous wastes for the preparation of molecular sieves
2.4.1 Introduction
2.4.2 Denitrification of aluminum dross and extraction of alumina
2.4.3 Extract alumina source from a variety of solid/hazardous waste
2.4.4 Synthesis of a molecular sieve using the alumina source and silica sources
2.5 Alumina extraction process by calcification of aluminum dross
2.5.1 Introduction
2.5.2 Effect of different factors on aluminum dross calcification roasting system
2.5.3 Analysis of leaching behavior and kinetics of roasting products
2.5.4 Migration behavior of toxic elements in the roasting system
2.6 Alkali doping on the preparation of calcium aluminate
2.6.1 Introduction
2.6.2 Thermodynamic theoretical analysis of roasting process
2.6.3 Mechanism of alkali doped roasting
2.6.4 Effect of alkali doping on leaching performance
2.6.5 Preparation of high white aluminum hydroxide from aluminum sources
References
Chapter 3 Hydrometallurgy Disposal Technology
3.1 Preparation of protective ring for aluminum dross denitrification and phase inversion
3.1.1 Introduction
3.1.2 Raw materials and leaching pretreatment
3.1.3 Comparison of dissolution behavior between EAD and denitrified EAD
3.1.4 Effect of temperature on phase transition of denitrified EAD
3.1.5 Thermal analysis and SEM characterization
3.1.6 Industrial tests
3.2 Thermodynamic and kinetic studies on nitrogen removal from aluminum dross
3.2.1 Introduction
3.2.2 Thermodynamic analysis
3.2.3 Effect of different factors on removal efficiency of AlN
3.2.4 Optimal leaching conditions
3.2.5 Kinetics analysis
3.2.6 Product characterization
3.3 Aluminum alloy dross denitrification kinetics
3.3.1 Introduction
3.3.2 Optimization of washing dechlorination-roasting denitrification process
3.3.3 Optimization of alkali catalytic denitrification and dechlorination process
3.3.4 Kinetic analysis of aluminum nitride removal
References
Chapter 4 Electrochemical Disposal Technology
4.1 Source of impurities
4.1.1 Introduction
4.1.2 Analysis of impurity element content in primary aluminum
4.1.3 Migration of the impurities in diff