Green chemistry
Green Chemistry
Green Chemistry (pronunciation: /ɡriːn ˈkɛmɪstri/), also known as sustainable chemistry, is a sub-discipline of Chemistry that focuses on the design of products and processes that minimize the use and generation of hazardous substances. The term was coined by Paul Anastas in 1991.
Etymology
The term "Green Chemistry" was first used by Paul Anastas in 1991, during his work at the United States Environmental Protection Agency (EPA). The word "green" signifies environmentally friendly and sustainable, while "chemistry" refers to the scientific discipline.
Principles
Green Chemistry is guided by twelve principles, which serve as guidelines for chemists to create more sustainable and environmentally friendly chemical processes. These principles include:
- Prevention of waste
- Atom economy
- Less hazardous chemical syntheses
- Designing safer chemicals
- Safer solvents and auxiliaries
- Design for energy efficiency
- Use of renewable feedstocks
- Reduction of derivatives
- Catalysis
- Design for degradation
- Real-time analysis for pollution prevention
- Inherently safer chemistry for accident prevention
Related Terms
- Sustainable Development: A development strategy that meets the needs of the present without compromising the ability of future generations to meet their own needs.
- Environmental Chemistry: The scientific study of the chemical and biochemical phenomena that occur in natural places.
- Industrial Ecology: The study of material and energy flows through industrial systems.
- Renewable Energy: Energy that is collected from resources which are naturally replenished on a human timescale.
- Catalysis: The process of increasing the rate of a chemical reaction by adding a substance known as a catalyst.
External links
- Medical encyclopedia article on Green chemistry
- Wikipedia's article - Green chemistry
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