C9: Green/Environmental Chemistry

Question 1

what is green chemistry

Answer 1

utilization of a set of principles in the design , manufacture and and application of chemical products that reduces or eliminates the use and generation of hazardous substances.

Question 2

Benefits of green chemistry

Answer 2

• reduced pollution
• reduced energy usage
• reduced wastage
• reduced use of natural resources
• safer consumer products
• improved competetiveness of chemical manufacturers

Question 3

The 12 principles of Green Chemistry

Answer 3

1. Prevent waste
2. maximise atom economy
3. design less hazardous chemical syntheses
4. design safe chemicals and products
5. use safer solvents and auxilliaries
6. increase energy efficiency
7. use renewable feedstocks(raw materials)
8. reduce deriviatives
9. use catalysts rather than stoichiometric agents
10. design for degradation
11. analyse in real time to prevent pollution
12. minimize the potential for accidents