Chemical intermediates by catalytic fast pyrolysis process
AssigneeAnellotech, Inc.
InventorsTerry Mazanec, Eugene Schmelzer, Fred Pesa, Dennis McCullough, Ruozhi Song, Yu-Ting Cheng
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Abstract
In this invention, a portion of the products from a pyrolysis reactor are reacted in a process to form one or more chemical intermediates.
Claims24
A method for producing chemical intermediates comprising:
- a) feeding a hydrocarbonaceous material to a reactor, and pyrolyzing within the reactor at least a portion of the hydrocarbonaceous material to produce one or more pyrolysis products;
- b) catalytically reacting at least a portion of the pyrolysis products of step a) to produce hydrocarbon products comprising benzene and/or toluene, and separating at least a portion of the hydrocarbon products comprising benzene and/or toluene;
- c) catalytically reacting at least a portion of biomass-derived carbon monoxide to produce methanol;
- and
- d) catalytically reacting at least a portion of the methanol produced in step c) with at least a portion of the benzene and/or toluene produced in step b) to produce xylenes.
A method for producing one or more fluid chemical intermediates from a hydrocarbonaceous material, comprising:
- a) feeding a hydrocarbonaceous material to a reactor, and pyrolyzing within the reactor at least a portion of the hydrocarbonaceous material to produce one or more pyrolysis products;
- b) catalytically reacting at least a portion of the pyrolysis products of step a) to produce hydrocarbon products, and separating at least a portion of the hydrocarbon products to obtain a predominately benzene containing fraction;
- and
- c) alkylating the predominately benzene containing fraction with ethylene or propylene to produce an alkylation product.
A method for producing adipic acid comprising:
- a) feeding a hydrocarbonaceous material to a reactor, and pyrolyzing within the reactor at least a portion of the hydrocarbonaceous material to produce one or more pyrolysis products;
- b) catalytically reacting at least a portion of the pyrolysis products of step a) to produce hydrocarbon products comprising predominantly benzene, and separating at least a portion of the hydrocarbon products comprising predominately benzene into a benzene fraction;
- c) catalytically hydrogenating at least a portion of the benzene fraction of step b) to form cyclohexane;
- and
- d) oxidizing at least a portion of the cyclohexane of step c) to produce adipic acid, wherein water utilized in the oxidation of cyclohexane is at least in part recovered from the pyrolysis reaction of step a) or biomass drying.
A method for producing polyethyleneterephthalate comprising:
- a) feeding a hydrocarbonaceous material to a reactor, and pyrolyzing within the reactor at least a portion of the hydrocarbonaceous material to produce one or more pyrolysis products;
- b) catalytically reacting at least a portion of the pyrolysis products of step a) to produce hydrocarbon products comprising predominantly benzene and/or toluene, and separating at least a portion of the hydrocarbon products comprising benzene and/or toluene;
- c) catalytically reacting at least a portion of biomass-derived carbon monoxide to produce methanol;
- d) catalytically reacting at least a portion of the methanol produced in step c) with at least a portion of the benzene and/or toluene produced in step b) to produce product comprising xylenes, and recovering p-xylene from the product comprising xylenes;
- e) catalytically oxidizing at least a portion of the p-xylene recovered in step d) to produce terephthalic acid;
- and
- f) polymerizing at least a portion of the terephthalic acid of step e) with ethylene glycol or ethylene glycol monomethyl ester to produce polyethyleneterephthalate.
A method for producing chemical intermediates comprising:
- a) feeding a hydrocarbonaceous material to a reactor, and pyrolyzing within the reactor at least a portion of the hydrocarbonaceous material to produce one or more pyrolysis products;
- b) catalytically reacting at least a portion of the pyrolysis products of step a) to produce hydrocarbon products comprising styrene, and separating at least a portion of the hydrocarbon products comprising styrene;
- c) polymerizing at least a portion of the styrene of step b) with at least one component selected from the group consisting of butadiene, acrylonitrile, and other olefins, to produce a polymer.
A method for producing chemical intermediates comprising:
- a) feeding a hydrocarbonaceous material to a reactor, and pyrolyzing within the reactor at least a portion of the hydrocarbonaceous material to produce one or more pyrolysis products;
- b) catalytically reacting at least a portion of the pyrolysis products of step a) to produce hydrocarbon products, and separating at least a portion of the hydrocarbon products;
- c) separating an aqueous phase from the pyrolysis products of step a);
- d) contacting at least a portion of the aqueous phase of step c) with biomass to produce a contacted biomass;
- and
- e) feeding the contacted biomass to the reactor of step a).
A method for producing chemical intermediates comprising:
- a) feeding a hydrocarbonaceous material to a reactor, and pyrolyzing within the reactor at least a portion of the hydrocarbonaceous material to produce one or more pyrolysis products;
- b) catalytically reacting at least a portion of the pyrolysis products of step a) to produce a hydrocarbon phase and an aqueous phase, and separating at least a portion of the hydrocarbon phase and the aqueous phase;
- c) concentrating the aqueous phase of step b), and
- d) feeding the concentrated aqueous phase to the reactor of step a).
Dependencies are inferred from the claim text.