A Green Chemistry Module

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A Green Chemistry Module
Petretec Duponts 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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Petroleum Refining
Distillation separation by boiling point
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Petroleum Reforming
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Conversion Reactions
THERMAL
CRACK
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
260-300oC 340-650 kPa