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A Green Chemistry Module. Petretec – Dupont’s Technology for Polyester Regeneration. Presidential Green Chemistry Challenge Award. World Proven Reserves of Crude Oil. 65.4. 20.6. 63.7. 44.0. 675.7. 74.9. 89.5. thousand million barrels. World Proven Crude Oil Reserves.
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A Green Chemistry Module Petretec – Dupont’s Technology for Polyester Regeneration Presidential Green Chemistry Challenge Award
World Proven Reserves of Crude Oil 65.4 20.6 63.7 44.0 675.7 74.9 89.5 thousand million barrels
World Proven Crude Oil Reserves as percent of 1296 thousand million barrel total
Crude Oil Classification API Gravity = 35o
Petroleum delivered from well field Water washing to remove impurities Distillation to separate by boiling point ranges Conversion reactions to alter molecular structures Mixing to obtain maximum commercial characteristics
Petroleum Refining Distillation – separation by boiling point
Conversion Reactions THERMAL CRACK CATALYTIC ALKYLATION COMBINE POLYMERIZATION Dehydrogenation Dehydroisomerization Isomerization Dehydrocyclization Hydrocracking REFORMIING REARRANGE ISOMERIZATION
Preparation of PET monomers Formation of ethylene glycol Formation of TA and DMT
PET Polymerization Reactions Step Growth Polymerization - Condensation Ester Interchange - Transesterification
The Dupont Petretec Process For Polyester Regeneration
Petretec Polyester Regeneration Methanolysis Reactor 260-300oC 340-650 kPa