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Green Chemistry: A Sustainable Approach to the Future |
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by Anghy Aquino | 31-05-2024 14:51
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 Photo by Kindel Media: https://www.pexels.com/photo/colorful-liquids-in-laboratory-glasswares-8326474/ Green chemistry, also known as sustainable chemistry, is a revolutionary approach to chemical research and production that seeks to minimize the environmental impact and enhance the efficiency of chemical processes. By prioritizing sustainability, green chemistry aims to create safer products and processes that reduce or eliminate the use and generation of hazardous substances. Principles of Green Chemistry The foundation of green chemistry is built on twelve guiding principles formulated by chemists Paul Anastas and John Warner in 1998. These principles provide a framework for designing chemicals and processes that are more environmentally friendly. Some key principles include: Prevention: It is better to prevent waste than to treat or clean up waste after it has been created. Atom Economy: Synthetic methods should maximize the incorporation of all materials used in the process into the final product. Less Hazardous Chemical Syntheses: Whenever possible, synthetic methods should use and generate substances that are non-toxic or less toxic to humans and the environment. Design for Degradation: Chemical products should be designed so that at the end of their function they break down into innocuous degradation products and do not persist in the environment. Safer Solvents and Auxiliaries: The use of auxiliary substances (e.g., solvents, separation agents) should be made unnecessary wherever possible and, when used, innocuous. Applications of Green Chemistry Green chemistry has led to numerous innovations across various industries: Pharmaceuticals: Green chemistry has improved drug design and manufacturing processes, reducing waste and energy consumption. For example, the use of biocatalysts in pharmaceutical synthesis has increased the efficiency and selectivity of reactions. Agriculture: Development of environmentally friendly pesticides and fertilizers that minimize ecological footprints while maintaining agricultural productivity. Energy: Advancements in biofuels and renewable energy sources, reducing dependence on fossil fuels and lowering greenhouse gas emissions. Benefits of Green Chemistry The benefits of green chemistry are manifold: Environmental Protection: By reducing hazardous waste and emissions, green chemistry helps protect ecosystems and reduce pollution. Economic Savings: Efficient processes and the use of less toxic materials can lead to significant cost savings in production and waste management. Health and Safety: Creating safer chemicals and processes reduces the risk of chemical accidents and exposure, protecting both workers and consumers. Despite its many advantages, green chemistry faces challenges such as the need for more research and development, higher initial costs for some green alternatives, and the inertia of traditional chemical practices. However, the future of green chemistry looks promising with growing awareness, stricter environmental regulations, and increasing market demand for sustainable products. In conclusion, green chemistry represents a transformative approach to chemical production and design. By embracing its principles, we can achieve a more sustainable and healthier future, balancing economic needs with environmental stewardship. As the field continues to evolve, it holds the potential to solve some of the most pressing environmental challenges of our time. Reference materials: United States Environmental Protection Agency (EPA). Green Chemistry. Retrieved from https://www.epa.gov/greenchemistry Sheldon, R. A. (2012). "Fundamentals of Green Chemistry: Efficiency in Reaction Design". Chemistry & Industry, 76(12), 20-24. Lancaster, M. (2010). Green Chemistry: An Introductory Text (2nd ed.). Royal Society of Chemistry. |
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Former E-gen Ambassador
Anghy Aquino
Previous : ASIA CLEAN ENERGY FORUM, Manil...
2 Comments
Thanks for the interesting report!
Posted 13-06-2024 10:58
Hello, this is mentor Seeun.
You explained the concept of green chemistry in this report.
It was interesting to know about the different applications and benefits of green chemistry!
Thank you for your report.
Posted 31-05-2024 17:35