Green Chemistry Principles: Waste Prevention by Salil Dutt (UNIDO)

Salil Dutt [UNIDO] presented on "Waste Prevention in Green Chemistry", focusing on:

🌱Principle of Waste Prevention: The primary focus of green chemistry is to reduce waste generation at its source.
🌱Waste Management Pyramid: Utilizes the 4R concept (Reduce, Reuse, Recycle, Recover) to manage waste efficiently.
🌱Reduction of Solvent Use: Developing processes that minimize or eliminate the use of hazardous solvents, thereby reducing hazardous waste generation.
🌱Solventless Processes (Mechanochemistry): Techniques such as high-energy ball milling are used to induce chemical reactions without solvents.
🌱Biodegradation: Leveraging microorganisms to break down chemical waste into non-harmful products.
🌱Using Waste as Feedstock: Transforming waste, like used cooking oil and red mud, into valuable products such as biodiesel and construction materials.
🌱Waste Treatment Technologies: Methods like incineration, pyrolysis, and recycling are employed to treat waste and mitigate environmental impact.
🌱Innovation in Green Chemistry: Developing safer and more efficient chemical processes, such as the electrocatalytic oxidation of glycerol into other chemical feedstocks.
🌱Application of Green Chemistry in Industry: Examples include producing ethylene oxide with minimal waste and synthesizing products with more efficient reactions.
🌱Economic and Environmental Benefits: Reducing waste benefits the environment and saves energy and operational costs for industries.

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