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Plastic scrap. --- Debris, Plastic --- Plastic debris --- Plastic trash --- Plastic waste --- Plastic wastes --- Scrap plastic --- Secondary plastics --- Trash, Plastic --- Waste plastic --- Scrap materials --- Waste products

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This thesis deals with a multi-objective approach to promote the circular economy in the context of chemical recycling of plastic waste. The main objective of this thesis was to develop a multi-objective decision making tool that could be integrated into the iSMA framework developed by Pacheco-Lopez et al. (2023) to fill an identified gap. The literature review highlighted the growing importance of sustainable plastic waste management, describing current waste management methods and their limitations, as well as the potential of chemical recycling to improve this situation. Chemical recycling, in particular pyrolysis, offers a promising way to convert plastic waste into valuable resources, although challenges remain in terms of efficiency and environmental impact. The iSMA framework generates Pareto optimal solutions for different recycling paths, but a tool was needed to objectively select the best options. This tool, developed
in Python, implements the multi-objective optimization methods TOPSIS and PROMETHEE, and includes a sensitivity analysis module to assess the stability and robustness of alternatives in the face of uncertainty in the weighting of criteria. The results obtained show that the tool is functional and able to provide relevant rankings, although depending on the quality and completeness of the initial data. Future prospects include extending the tool to other areas of environmental sustainability, integrating new optimization methods, and specifying criteria weightings guided by local sustainability policies.

Chemical recycling --- Multi-objectives optimization --- TOPSIS --- PROMETHEE --- Sensitivity analysis --- Decision-making --- Circular economy --- Plastic waste --- Python --- Ingénierie, informatique & technologie > Ingénierie chimique

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Plastic scrap. --- Plastics. --- Plastic materials --- Plastic products --- Polymers --- Synthetic products --- Condensation products (Chemistry) --- Elastomers --- Plasticity --- Debris, Plastic --- Plastic debris --- Plastic trash --- Plastic waste --- Plastic wastes --- Scrap plastic --- Secondary plastics --- Trash, Plastic --- Waste plastic --- Scrap materials --- Waste products

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Shows the true and often-underestimated market potential of plastics recycling, with analysis from economic, ecological, and technical perspectives. The book is aimed at both technical and non-technical readers, including decision makers in material suppliers, plastic product manufacturers, governmental agencies, and educators.

Plastics --- Plastic materials --- Plastic products --- Polymers --- Synthetic products --- Condensation products (Chemistry) --- Elastomers --- Plasticity --- Recycling. --- Plastic scrap --- Debris, Plastic --- Plastic debris --- Plastic trash --- Plastic waste --- Plastic wastes --- Scrap plastic --- Secondary plastics --- Trash, Plastic --- Waste plastic --- Scrap materials --- Waste products

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"Much of what you've heard about plastic pollution may be wrong. Instead of a great island of trash, the infamous Great Pacific Garbage Patch is made up of manmade debris spread over hundreds of miles of sea--more like a soup than a floating garbage dump. Recycling is more complicated than we were taught: less than nine percent of the plastic we create is reused, and the majority ends up in the ocean. And plastic pollution isn't confined to the open ocean: it's in much of the air we breathe and the food we eat. In Thicker Than Water: The Quest for Solutions to the Plastic Crisis, journalist Erica Cirino brings readers on a globe-hopping journey to meet the scientists and activists telling the real story of the plastic crisis. From the deck of a plastic-hunting sailboat with a disabled engine, to the labs doing cutting-edge research on microplastics and the chemicals we ingest, Cirino paints a full picture of how plastic pollution is threatening wildlife and human health. Thicker Than Water reveals that the plastic crisis is also a tale of environmental injustice, as poorer nations take in a larger share of the world's trash, and manufacturing chemicals threaten predominantly Black and low-income communities. There is some hope on the horizon, with new laws banning single-use items and technological innovations to replace plastic in our lives. But Cirino shows that we can only fix the problem if we face its full scope and begin to repair our throwaway culture. Thicker Than Water is an eloquent call to reexamine the systems churning out waves of plastic waste."--Page 2 of cover.

Plastic scrap --- Plastics --- Environmental aspects. --- Plastic materials --- Plastic products --- Polymers --- Synthetic products --- Condensation products (Chemistry) --- Elastomers --- Plasticity --- Debris, Plastic --- Plastic debris --- Plastic trash --- Plastic waste --- Plastic wastes --- Scrap plastic --- Secondary plastics --- Trash, Plastic --- Waste plastic --- Scrap materials --- Waste products