Recycling of Plastics
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Follow on Instagram for UpdatesRecycling of Plastics Syllabus — Unit-wise Content
The official GTU curriculum for Recycling of Plastics (subject code DI05023021) as prescribed for AI & ML · Semester 5 divides the course into 5 units, covering 31 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI05023021)Unit 1 Sources of Plastic Waste And Its Management
- 1.1 Introduction to Plastics Waste 1.2 Definitions of related terms – Waste Plastic
- Industrial Plastic Waste
- Postconsumer Plastic Waste
- Nuisance Plastic
- Scrap Plastic
- Primary Recycling
- Secondary Recycling
- Tertiary Recycling And Quaternary Recycling 1.3 Economic and environmental impact of Plastic Waste 1.4 Sources of waste – postconsumer
- municipal and industrial waste 1.5 Management of plastic waste - 4 R (reduction
- recycling and recovery) 1.6 Plastic cycle - flow of plastic products and plastic waste 1.7 Waste disposal a
- Landfill of municipal solid waste– open dumping and sanitary landfill b
- Plastics in landfill c
- Future trends (14 Marks)
Unit 2 Separation Methods
- 2.1 Size reduction by mechanical methods 2.2 Separation of plastics using physical properties 2.3 Separation using recycling codes 2.4 Separation processes specific to plastics a
- Separation of paper/plastic mixtures Application of Heat
- Wet Separation Process
- Electro Dynamic Separation b
- Separation of plastic from plastic-coated fabric c
- Separation of mixtures of plastics-Float Sink Method
- Using Selective Wetting Characteristics
- Solvent Separation (14 Marks)
Unit 3 Primary & Secondary Recycling Methods
- Primary Recycling 3.1 Introduction 3.2 Primary recycling methods a
- Cryogenic grinding c
- Plunger and screw type stuffer d
- In-line recycling Secondary Recycling (14 Marks) Program Name: Diploma Engineering Level: Diploma Branch: Plastics Engineering Subject Code : DI05023021 Subject Name : Recycling of Plastics 3.3 Introduction to secondary recycling 3.4 Various technical approaches for secondary recycling 3.5 Secondary recycling by mechanical reworking of plastic waste 3.6 Recycling by chemical modification of plastic waste 3.7 Secondary recycling by co-extrusion and co-injection molding 3.8 Use of plastic as a filler
Unit 4 Tertiary And Quaternary Recycling
- Tertiary Recycling 4.1 Pyrolysis a
- Introduction to pyrolysis and its advantages b
- Introduction to pyrolysis reactors of plastics waste – Union Carbide System
- Reactor by Japan Steel Works 4.2 Chemical decomposition of plastic waste a
- Glycolysis Quaternary Recycling 4.3 Introduction to quaternary recycling 4.4 Constructional features of incinerators 4.5 Incineration of plastic waste and its problems (14 Marks)
Unit 5 Recycling Methods Of Specific Plastics 5.1 Describe recycling methods of following plastics
- PS (14 Marks)
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