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Green chemistry






3-12 Principales

4-Importance of green chemistry

5-Benefits of green chemistry

6-Uses of green chemistry


What is green chemistry ?

Green chemistry, also called sustainable chemistry or ecological chemistry or renewable chemistry, provides for the implementation of principles to reduce and eliminate the use or generation of substances harmful to the environment.


  • The concept of green chemistry appeared in the United States in the 1990s. At the time, the goal was to design chemical products and processes that would reduce or even eliminate the use and synthesis of hazardous substances. But it was in 1998 that Paul Anastas and John Warner, researchers at the US Environmental Protection Agency (EPA), laid the theoretical foundations of this new discipline by publishing a book setting out 12 founding principles.


  • Use of Renewable Feedstocks

  • Reduce Derivatives

  • Catalysis (vs Stoichiometric)

  • Design for Degradation

  • Real-Time Analysis for Pollution Prevention

  • Inherently Benign Chemistry for Accident Prevention

-12 Principales

  • Prevent Waste

  • Atom Economy

  • Less Hazardous Synthesis

  • Design Benign Chemicals

  • Benign Solvents and Auxiliaries

  • Design for Energy Efficiency

  • It includes optimizing the efficiency and energy cost of processes, saving and recycling raw materials and by-products of chemical reactions, reducing final waste and the impact on human health and the environment. Modern chemistry is based on a paradox: the need to produce more and more.

Importance of green chemistry

Benefits of green chemistry

Green chemistry, also known as ecological chemistry or sustainable chemistry, benefits from the major challenges of reducing our dependence on non-renewable energy and the carbon footprint of our industries,

Uses of green chemistry

Green Chemistry or Sustainable Chemistry is defined by the Environmental Protection Agency as “the design of chemical products that reduce or eliminate the use of hazardous substances”


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The ultimate aim of green chemistry is to entirely cut down the stream of chemicals pouring into the environment. This aim seems unattainable at present, but progress in the green chemical research areas and their application through successive approaches will certainly provide safer specialty chemicals and much more satisfactory processes for the chemical industry.