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Process Economics Program Report 261

Methanol to Olefins

Table of Contents

Section Page Number

INTRODUCTION 1-1
SUMMARY 2-1
GENERAL ASPECTS 2-1
TECHNOLOGY ASPECTS 2-2
Commercial Methanol to Olefins Technology 2-2
Analysis of Patents 2-2
Process Design 2-3
PROCESS ECONOMICS 2-4
Methanol to Ethylene and Propylene 2-4
Methanol to Propylene 2-4
CONCLUSIONS 2-6
INDUSTRY STATUS 3-1
ETHYLENE INDUSTRY 3-1
Ethylene Feedstock Considerations 3-4
Ethylene End Uses 3-5
Ethylene Supply and Demand 3-7
Ethylene Prices 3-8
PROPYLENE INDUSTRY 3-8
Propylene Transportation and Storage 3-11
Propylene End Uses 3-11
Supply and Demand of Propylene 3-13
Propylene Prices 3-14
Production of Primary Propylene 3-16
Propylene from Ethylene Plants 3-18
Propylene from Refineries 3-19
Production of Secondary Propylene 3-20
Propane Dehydrogenation 3-21
Metathesis 3-23
Methanol to Propylene 3-26
METHANOL TO OLEFINS 3-28
Olefin Cracking 3-29
R&D Activities by ExxonMobil 3-30
DMTO Technology 3-30
METHANOL AS FEEDSTOCK 3-31
Regional Capacity Trends 3-32
Methanol Prices 3-35
Methanol Shipping 3-36
UOP/HYDRO MTO PROCESS 4-1
INTRODUCTION 4-1
COMMERCIAL DEVELOPMENTS 4-1
Recent Advancements in UOP/Hydro MTO Technology 4-3
TECHNOLOGY REVIEW 4-4
MTO Catalyst Development 4-4
MTO Reactor Design Consideration 4-6
Fluidization Regimes 4-6
Fast-fluidized Bed MTO Reactor 4-7
Effect of Reaction Temperature and Water as Diluent 4-9
Effect of Space Velocity 4-10
Influence of Coke Deposition 4-10
UOP/Hydro MTO Reaction Conditions 4-10
MTO Reaction Mechanism 4-11
MTO Process Chemistry and Kinetics 4-12
Kinetic Models based on ZSM-5 4-12
Kinetic Models based on SAPO-34 4-12
Product Recovery 4-15
METHANOL TO OLEFINS BY THE UOP/HYDRO PROCESS 4-15
Process Description 4-16
Section 100 - Methanol Conversion 4-16
Section 200 - Product Separation 4-17
Process Discussion 4-29
COST ESTIMATES 4-32
Comparison With Other Technologies 4-43
MTO Applications 4-43
METHANOL TO PROPYLENE BY THE LURGI MTP PROCESS 5-1
INTRODUCTION 5-1
COMMERICAL DEVELOPMENTS 5-2
TECHNOLOGY REVIEW 5-3
ZSM-5 Catalyst 5-4
Reactor Design and Operation 5-5
Product Recovery 5-6
PROCESS DESCRIPTION 5-7
Section 100 - Methanol Conversion 5-7
Section 200 - Propylene Recovery 5-8
PROCESS DISCUSSION 5-18
PROCESS ECONOMICS 5-20
LURGI MTP PROCESS APPLICATIONS 5-28
APPENDIX A: PATENT SUMMARY TABLES A-1
APPENDIX B: DESIGN AND COST BASES B-1
APPENDIX C: CITED REFERENCES C-1
APPENDIX D: PROCESS FLOW DIAGRAM D-1

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