Circularity of Plastics
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Follow on Instagram for UpdatesCircularity of Plastics Syllabus — Unit-wise Content
The official GTU curriculum for Circularity of Plastics (subject code BE05053051) as prescribed for Plastics · Semester 5 divides the course into 8 units, covering 9 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 (BE05053051)Unit 1 Introduction to Plastic Waste and Circular Economy
- Introduction to plastic waste Definitions related to plastic waste Sources of plastic waste Plastics cycle: Flow of plastic products and plastic waste Generation of industrial plastic waste Concept of 4R (Reduce
- Recover) Importance of circular economy in plastics
Unit 2 Collection, Segregation and Separation of Plastic Waste
- Waste segregation and separation concepts Separation of components of municipal solid refuse Size reduction methods for waste processing Separation Methods Density separation Air classification Magnetic separation Electrostatic separation Separation Processes Specific to Plastics Separation of paper–plastic mixtures Separation of plastics from plastic-coated fabrics Separation of mixed plastics Identification and separation using recycling codes
Unit 3 Primary Recycling (Mechanical Recycling of Clean Waste)
- Definition and concept of primary recycling Degradation of thermoplastics due to repetitive processing Mechanisms of polymer degradation during recycling Equipment Used Granulators and shredders Processing of difficult materials Cryogenic grinding technique Reprocessing Systems Reprocessing of low bulk-density plastic waste Plunger and screw type stuffers Program Name: Engineering Level: Under Graduate Branch: Plastics Engineering Subject Code: BE05053051 Subject Name: Circularity of Plastics In-line automatic recycling systems
Unit 4 Secondary Recycling (Mechanical Recycling of Mixed Waste)
- Concept and approaches to secondary recycling Equipment requirements for secondary recycling Equipment for Mixed Plastic Waste Processing Mitsubishi Reverzer system Klobbe machine FN machine Advanced Processing Methods Secondary recycling using co-extrusion Secondary recycling using co-injection molding Use of plastic waste as fillers in products
Unit 5 Tertiary Recycling (Chemical Recycling)
- Introduction to chemical recycling Pyrolysis of plastics waste Pyrolysis Systems Pyrolysis of municipal solid refuse Pyrolysis reactions in plastics decomposition Pyrolysis Reactors Union Carbide apparatus Japan Steel Works Ltd. system Chemical Decomposition Processes Depolymerization Feedstock recycling Recovery of fuels and chemicals
Unit 6 Quaternary Recycling (Energy Recovery)
- Concept of energy recovery from plastics Incineration of municipal solid refuse Incineration of Plastic Waste Problems associated with incineration of pure plastics Environmental concerns Incinerator Types Fluidized bed incinerators Rotary kiln incinerators Systems suitable for plastic waste
Unit 7 Recycling of Specific Plastics and Plastic Products
- Recycling of HDPE containers Recycling of PP/HDPE woven sacks to pellets Recycling of PE films and plastic bags PET recycling processes Recycling of PVC Recycling of PS (Polystyrene) Program Name: Engineering Level: Under Graduate Branch: Plastics Engineering Subject Code: BE05053051 Subject Name: Circularity of Plastics Recycling of PU (Polyurethane) Recycling of medical plastic waste
Unit 8 Environmental Implications and Polymer Degradation
- Environmental impact of plastic waste Effects of recycling on polymer properties Polymer degradation during recycling Sustainable waste management strategies Role of circular economy in plastics sustainability
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