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Published byBarrie Spencer Modified over 9 years ago
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Petretec – Dupont’s Technology for Polyester Regeneration
A Green Chemistry Module Petretec – Dupont’s Technology for Polyester Regeneration Presidential Green Chemistry Challenge Award
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World Proven Reserves of Crude Oil
65.4 20.6 63.7 44.0 675.7 74.9 89.5 thousand million barrels
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World Proven Crude Oil Reserves
as percent of 1296 thousand million barrel total
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Composition of Crude Oil
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Crude Oil Classification
API Gravity = 35o
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The Uses of Crude Oil
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The Xylenes
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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
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Distillation – separation by boiling point
Petroleum Refining Distillation – separation by boiling point
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Petroleum Reforming
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Conversion Reactions CRACK COMBINE REARRANGE THERMAL CATALYTIC
ALKYLATION COMBINE POLYMERIZATION Dehydrogenation Dehydroisomerization Isomerization Dehydrocyclization Hydrocracking REFORMIING REARRANGE ISOMERIZATION
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Catalytic Reforming – Conversion Reactions
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Preparation of PET monomers
Formation of ethylene glycol Formation of TA and DMT
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PET Polymerization Reactions
Step Growth Polymerization - Condensation Ester Interchange - Transesterification
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The Dupont Petretec Process For Polyester Regeneration
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Petretec Polyester Regeneration
Methanolysis Reactor oC kPa
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