Methanol to Olefins: Development of a Commercial Catalytic ...

Methanol to Olefins (MTO): Development of a Commercial

Catalytic Process

Simon R. Bare Advanced Characterization, UOP LLC

Modern Methods in Heterogeneous Catalysis Research

FHI Lecture November 30, 2007

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? 2007 UOP LLC, All Rights Reserved

Polyethylene and Polypropylene

? Thousands of uses of polyethylene and polypropylene.

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Polyethylene and Polypropylene

? Main source of the ethylene and propylene (monomer feedstock for polyethylene and polypropylene) is steam cracking of naphtha or other hydrocarbon.

Naphtha (C5-C9)

Ethane

HCBN

Steam Cracking >850?C, millisec

C2= + C3= + C3+

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Methanol To Olefins (MTO) Reaction

? Methanol is an alternate source of light olefins.

? Dehydration with shape selective transformation to low molecular weight alkenes.

Methanol

SAPO-34 Catalyst

Ethylene

Propylene

Butenes

Other By-Products

H2O

H2 , COX

C1-C5 Paraffins

C5+

4

Coke

UOP/Hydro MTO Process

SAPO-34 Catalyst

CH3OH

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H2O

Courtesy to Unni Olsbye, University of Oslo

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