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US 2010/0168486 A1Published application
Method for Production of Styrene from Toluene and Methanol
AssigneeFina Technology, Inc.
InventorsJames R. Butler, Joseph E. Pelati
Life of this patent
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Abstract
A process is disclosed for making styrene by converting methanol to formaldehyde in a reactor then reacting the formaldehyde with toluene to form styrene in a separate reactor.
Claims21
A process for making styrene comprising:
- converting methanol to formaldehyde in one or more first reactors to form a first product stream comprising formaldehyde;
- and
- reacting toluene and formaldehyde in one or more second reactors to form a second product stream comprising styrene.
A process for making styrene comprising:
- converting methanol to formaldehyde in one or more first reactors to form a first product stream comprising one or more of formaldehyde, hydrogen, water, or methanol;
- passing the first product stream to a first separation stage for separating formaldehyde from the first product stream;
- reacting toluene and formaldehyde in one or more second reactors to form a second product stream comprising one or more of styrene, toluene, water, or formaldehyde;
- passing the second product stream to a second separation stage for separating styrene from the second product stream.
1 more element
Dependencies are inferred from the claim text.