Converting waste to a high value biodegradable plastic)
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The document discusses converting plastic waste into a high value biodegradable plastic through an integrated process. It notes that plastic production is linked to unsustainable waste but biodegradable plastic offers compostable and high value uses. The author proposes a strategy to upcycle plastic waste through conversion into a biodegradable plastic like PHA, which has applications in packaging, agriculture, medicine and is one of five chemicals that could change the world. Integration of technologies like pyrolysis, fermentation and microbiology is key to successfully converting waste plastic into a high value biodegradable plastic on an industrial scale.
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Auri presentation
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To emphasize the reduced use of plastic and the beneficial management of plastic waste. Efficient transformation of plastic into energy and fuel. Making our environment an eco friendly zone. Modify the design of recycling Machines. Install the recycling unit at TNAU. Compare the envi.factors of Coimbatore with other cities. Making our Eco fest - 15------Plastic free & Models
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This document discusses the role of biobased materials in waste management. It begins by acknowledging the idealized vision of perfectly closed material cycles where biobased materials would easily decompose. However, it notes that in reality, formal waste management is necessary and biobased materials will enter existing waste schemes. The key advantages of biobased materials - decomposability and renewable resources - are only realized if the materials are managed via high recovery rates of either material or energy through recycling, energy recovery like incineration, or digestion for biogas. The environmental benefits of biobased materials depend on the waste management options utilized.
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This document summarizes plastic market trends and recycling initiatives. It discusses how plastic use has increased dramatically but recycling rates remain low at around 9%. Recycling is expected to grow faster than virgin plastic production due to regulations and costs. Case studies of large companies involved in recycling plastics at a global scale are provided, such as Veolia in France and Ravago in Europe. Challenges to plastic recycling include complexity of waste streams and improving technology. Opportunities include the abundance of recyclable plastic waste and higher recycling rates matching other materials like metals.
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Plastic Waste Management and Recycling Technology : P1
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Production of Conventional Fuel from Plastic Waste and Biomass by Pyrolysis
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Converting waste to a high value biodegradable plastic)
- 1. Converting waste to a high value biodegradable plastic Dr Kevin O’ Connor School of Biomolecular and Biomedical Science
- 2. Sustainability “ .. meet the needs of the present without compromising the ability of future generations to meet their own needs. ” Brundtland report 1987 Economic growth Linked to waste production (unsustainable) Plastic Highly desired & highly problematic Biodegradable plastic Compostable and high value uses Integrating technologies The key to success Sustainability and eco-innovation
- 3. A modern world enabled by plastics
- 4. A modern world full of plastic
- 5. More emphasis on recycling of plastics needed ( Peter Sundt Secretary General EPRO) Waste recycling EU 25
- 6. Source: PlasticsEurope 2007 Recovery rates for plastic in Europe Group of leading countries with recovery rates above 80%
- 7. Waste opportunity Waste as a target – Increasing cost of waste management – Uncertainty about waste management in the future – Limited technologies for high value conversion – Low cost starting material Petrochemical plastic waste Scientific academic challenge Poor recycling rates PS – 2% recycling rate in US (highest worldwide) PET- 25% recycling – collection system in operation PE – 10% recycling – Farm plastics – collection scheme
- 8. Petrochemical plastic Multi-purpose (Non-biodegradable) Strategy for upcycling plastic waste Waste Landfill Upcycle Convert to value added product Recycle to petrochemical plastic low value product relative to virgin material Downcycling New Markets
- 9. PS, PET & others Plastic upcycling to a biodegradable plastic PET to PHA – patented Mixed plastic - patented Other patents under development Chemistry Pyrolysis PHA (Polyhydroxyalkanoate) Microbiology Fermentation
- 10. Bioplastic Opportunity Biodegradable plastic – Premium product – Rapidly growing markets – Petrochemical US$ 300 billion market – Bioplastics 25% share of market by 2020 Polyhydroxyalkanoate (PHA) – Packaging, agriculture, textiles, medicine – Biocompatible (biomedical implants/wound healing) – Highly desired by industry – One of 5 chemicals to change the world (Forbes)
- 11. EU lead market Initiative and Kok Report The production of a single (bio)product from waste or renewable resources (Single (bio)refinery) is not sustainable (Life cycle analysis) Sole product mentality obsolete Biofuels – bioethanol, biodiesel Bioplastics – Polylactic acid, polyhydroxyalkanoate Biolubricants – plant oils Need for integration of emerging technologies e.g. Biofuels and bioplastics Technology integration: key to success
Editor's Notes
- Brundtland commission report (1987)