1. 1 resources and their basic characteristics

1.2 renewable resources and resource recovery

1.3 Overview of resource recycling at home and abroad

1.4 circular economy and resource recycling

Chapter II Resources, Materials and Environment

2. 1 the position and role of materials in the national economy

2.2 Material production and use of resources and environmental issues.

2.3 the relationship between resources, environment and materials

2.4 Overview of materials

Chapter III Recovery of Metal Materials

3. 1 overview

3.2 metal material recovery pretreatment

3.3 copper resource recovery

3.4 Recycling of aluminum resources

3.5 recycling of zinc resources

3.6 Recovery of steel materials

Chapter IV Recovery of Precious Metal Materials

4. 1 gold recovery

4.2 Silver Recovery

4.3 Recovery of Platinum

Chapter V Recovery of Inorganic Non-metallic Materials

5. 1 Environmental load of inorganic nonmetallic materials

5.2 glass recycling

5.3 Recycling of Building Materials

Chapter VI Recovery of Polymer Materials

6. 1 Overview of Polymer Materials

6.2 Pretreatment of Waste Polymer Materials

6.3 Recycling Technology of Waste Polymer Materials

6.4 Examples of recycling waste polymer materials

Chapter VII Recycling of Industrial Solid Waste

7. 1 recycling of solid waste in iron and steel industry

7.2 Red mud recovery

7.3 Tailings recovery

7.4 Recovery of smelting slag of heavy nonferrous metals

7.5 Chemical Industry Solid Waste Recovery

7.6 Recovery of Fly Ash

7.7 Recycling of Coal Gangue

Chapter VIII Recovery of Waste Batteries

8. 1 Recovery of waste dry batteries

8.2 Recycling of waste nickel-cadmium batteries

8.3 Recovery of Hybrid Battery

8.4 Recovery of lead-acid batteries

Chapter IX Recycling of Water Resources

9. 1 Overview

9.2 Sewage recovery

9.3 rainwater recovery

9.4 Utilization of seawater and brackish water

9.5 Sustainable utilization of water resources

refer to