使用钢铁流程处理固废具有体量大、污染小、成本低、资源回收和利用最大化等诸多优点，已经越来越受到国家和企业的重视，由此也发展了钢铁冶金行业长流程中不同工序对于不同固废的处理工艺与技术。本书以钢铁冶金行业长流程中不同工序为脉络，介绍了不同工序处理固废的工艺技术。从热力学原理和动力学原理进行分析，通过热态实验完整的实验方案和实验过程，通过先进的表征手段，总结了冶金固体废弃物以及城市生活固体废弃物的不同处理工艺，并针对固废原料的不同优化了相关技术手段和工艺流程，并深刻剖析了每一种工艺的原理与特点。

董凯，男，1983年生，工学博士，北京科技大学碳中和创新研究院副教授、博士生导师，中国金属学会电冶金分会秘书。主要从事电弧炉短流程炼钢、钢铁流程CO2资源化利用、冶金流程节能环保和联合固废消纳以及冶金智能控制相关工艺技术开发，曾参与承担国家科技支撑、国家重点研发计划重点专项、自然科学（重点、面上、青年）基金、山东省重点研发创新工程等多项国家、省部级科研项目，并持续为国内多家重点钢铁企业提供科研技术服务。获国家级奖1项，省部级科技奖7项，其中“电弧炉炼钢复合吹炼技术的研究应用”项目获2016年国家科技进步二等奖，“高品质管材用钢洁净冶炼技术及应用”获2020年北京市科学技术奖一等奖，“二氧化碳绿色洁净炼钢技术及应用”获2021年中国冶金科技奖特等奖，“基于烟尘减量与钢质净化的二氧化碳炼钢技术”获2022年高等学校科学研究优秀成果奖一等奖；发表学术期刊论文四十余篇，授权专利五十余项；参编国家标准1项，冶金行业标准12项，冶金团体标准6项，编写专著1部。

Chapter 1 General Situation of Iron and Steel Smelting and Solid Waste Treatment1.1 General situation of iron and steel production1.2 Advantages of iron and steel process in treating solid wasteChapter 2 Direct Reduction Iron Process2.1 Pilot test case of copper slag reduction magnetic separation in rotary hearth furnace2.2.1 Thermodynamic analysis2.2.2 Experimental scheme of rotary hearth furnace2.2.3 Analysis of experimental results2.2.4 Mineral phase analysis of reduction products2.2.5 Summary2.2 Direct Reduction-Melting Experiment of Sulfuric Acid Slag in Rotary Hearth Furnace2.2.1 Experimental materials and methods2.2.2 Temperature and calcination time parameters2.2.3 Basicity parameter control2.2.4 Transformation and micromorphology of iron oxides during reduction2.2.5 Reduction melting theory and experiment of carbon-containing pellets of sulfuric acid slag2.2.6 Melting test results2.2.7 Behavior analysis of sulfur element in melting process2.2.8 SummaryChapter 3 Digestion of Solid Waste during Sintering-Pelletizing Process3.1 Return sintering of steel slag as raw material3.1.1Research status of steel slag utilization3.1.2 Properties of raw materials3.1.3 Sintering pot experiment3.1.4 Experimental results3.2 Application of waste incineration fly ash in sintering process3.2.1 Physicochemical parameters of fly ash3.2.2 Sintering experimental procedure3.2.3 Proportioning design of fly ash addition in sinter3.2.3 Sintering results3.2.4. Summary3.3 Formation mechanism of binder phase in sintering process with fly ash instead of lime3.3.1 Experimental design3.3.2 Thermal dynamic calculation3.3.3 Results and discussion3.3.4. Conclusions.Chapter 4 Case Analysis of Blast Furnace Consumption Technology and Process4.1 Production case of metallurgical solid waste disposal in tunnel kiln-blast furnace process4.1.1 Process introduction4.1.2 Major equipment technology and production capacity4.1.3 Energy consumption of production revenue and expenditure4.2 Disposal of all solid waste in copper slag-steel slag blast furnace process4.2.1 Solid waste raw materials4.2.2 Design and preparation of artificial mineral4.2.5 Reducibility of artificial mineral4.2.6 Charge melting dropping characteristics4.2.7 Reduction melting results4.2.8 Material energy balance in blast furnace melting process4.3 Prospect of solid waste treatment by blast furnace processChapter 5 Disposal of Solid Waste in Steelmaking Process5.1 Reuse and zinc enrichment technology of zinc-containing dust in electric arc furnace5.1.1 Brief introduction of process5.1.2 Zn recycling and enrichment5.1.3 Separation of ZnCl2 by high temperature roasting5.2 Direct reduction of red mud for refining desulfurization5.3.1 Simple method for Na removal by red mud pretreatment5.3.2 Deep reduction of red mud after sodium removal5.3.3 Desulfurization design of steelmaking refining slag prepared from reduction products5.3.4 Calculation of Desulfurization Ability of CaO-Al2O3-SiO2-TiO2 Slag System5.3.5 Desulfurization experiment of refining slag prepared from red mud reduction productReferences