19-10-2016, 04:19 PM
1459934018-Greensynthesisppt.pptx (Size: 174.34 KB / Downloads: 8)
DEFINITION
The production of chemical compounds by reaction from simpler materials."the synthesis of methanol from carbon monoxide and hydrogen"is known as synthesis. but use of such methods which reduces or eliminates the use of hazardous substances in design,manufacture and application of chemical products is known as green synthesis
DESIGNING A GREEN SYNTHESIS
Starting material non hazardous
renewable
no accident
Reagents easily available
efficient
no effect on enviornment
Green reagents 1.Dimethyl carbonates
2.Polymer supported peracids
3.PNBS
4.Polymer supported chromic acid
SOME EXAMPLES OF GREEN SYNTHESIS
Synthesis of urea
Synthesis of ibuprofen
Synthesis of nanoparticles of silver
Making of computer chips
Synthesis of oil paints
Synthesis of biodegradable plastic