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Green Engineering: Environmentally Conscious Design of Chemical Processes by David R. Shonnard, David T. Allen

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Chapter 7Green Chemistry

byPaul T. Anastas and David Allen

7.1 Green Chemistry

Chemical products can be manufactured using a wide variety of synthesis routes. The designer of a chemical process must choose from alternative raw materials, solvents, reaction pathways, and reaction conditions, and these design choices can have a significant impact on the overall environmental performance of a chemical process. Ideal chemical reactions would have attributes such as

• simplicity

• safety

• high yield and selectivity

• energy efficiency

• use of renewable and recyclable reagents and raw materials

In general, chemical reactions cannot achieve all of these goals simultaneously and it is the task of chemists and chemical engineers to identify pathways ...

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