solvent flash presentation by james sherwood

Post on 18-Dec-2014

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The use of solvents by the chemical industry is under scrutiny by legislation such as REACh. Bio-based and greener solvent solutions are needed to transform the chemical industry into an environmentally benign and sustainable sector.

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www.greenchemistry.net

James Sherwoodjames.sherwood@york.ac.uk

Solvents: Problems to (dis)solve!

www.greenchemistry.net

Solvent Market

Cosmetics

Plastics industry

Metal clean

ing

Agro

chem

ical

sFo

od s

ect

or

Dry

cle

anin

g

Other industries

Home cleaning

Adhesives

InksPaints/coatin

gs

Pharma

Market: 20 MillionTonnes /year

Solvent is the major ingredient (the ‘wet’ bit if you were wondering)

Solvent is needed in manufacturing or processing

Solvent used for washing

www.greenchemistry.net

Solvent Impact: Before Reactants

AuxiliariesWaterSolvent

Material use in drug manufacture

ProductWaste

Actual reaction

‘Hidden’ solvent impact

www.greenchemistry.net

Solvent Impact: During

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WaterSolvent

Product

Easy to ignore solvent impact

Solvent Impact: After

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Vegetable oil transesterification

Extraction of limonene

FermentationOH

O

OH

OH

O

O

OH

of sugar

O

O

O

O

O

O

OH

HO OH

Green Solvents

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