Method to produce sugar water and ethanol
First Claim
1. A distributed production method for producing sugar water and ethanol, the method comprising the steps of:
- a) providing a feedstock comprising cellulose, hemicellulose, and/or lignocellulose to each of a plurality of portable feedstock processing plants each of which is located at or near a feedstock providing site;
b) processing the cellulose, hemicellulose, and/or lignocellulose of the feedstock at the plurality of portable feedstock processing plants to produce a sugar water and one or more byproducts, wherein the processing comprises mechanical destruction, pretreatment, and/or enzymatic hydrolysis;
c) separating the sugar water produced from the cellulose, hemicellulose, and/or lignocellulose from the one or more byproducts at the plurality of portable feedstock processing plants;
d) concentrating the separated sugar water at the plurality of portable feedstock processing plants;
e) transporting the concentrated sugar water from the plurality of portable feedstock processing plants to a centralized ethanol producing plant; and
f) producing ethanol from the transported sugar water at the centralized ethanol producing plant.
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Abstract
A method for producing ethanol comprising the steps of providing feedstock, processing the feedstock at a feedstock processing plant adapted to produce sugar water and wet animal feed, separating the sugar water and wet animal feed, transporting the sugar water from the feedstock processing plant to an ethanol producing plant, and producing ethanol from the sugar water. A system for producing ethanol comprising a feedstock provider adapted to provide feedstock, feedstock, a feedstock processing plant adapted to produce sugar water and wet animal feed from the feedstock, a means for transporting the sugar water, and an ethanol producing plant adapted to produce ethanol from the sugar water.
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Citations
20 Claims
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1. A distributed production method for producing sugar water and ethanol, the method comprising the steps of:
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a) providing a feedstock comprising cellulose, hemicellulose, and/or lignocellulose to each of a plurality of portable feedstock processing plants each of which is located at or near a feedstock providing site; b) processing the cellulose, hemicellulose, and/or lignocellulose of the feedstock at the plurality of portable feedstock processing plants to produce a sugar water and one or more byproducts, wherein the processing comprises mechanical destruction, pretreatment, and/or enzymatic hydrolysis; c) separating the sugar water produced from the cellulose, hemicellulose, and/or lignocellulose from the one or more byproducts at the plurality of portable feedstock processing plants; d) concentrating the separated sugar water at the plurality of portable feedstock processing plants; e) transporting the concentrated sugar water from the plurality of portable feedstock processing plants to a centralized ethanol producing plant; and f) producing ethanol from the transported sugar water at the centralized ethanol producing plant. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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2. A distributed production method for producing sugar water and ethanol, the method comprising the steps of:
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a) providing a feedstock comprising cellulose, hemicellulose, and/or lignocellulose to each of a plurality of portable feedstock processing plants each of which is located at or near a feedstock providing site; b) processing the cellulose, hemicellulose, and/or lignocellulose of the feedstock at the plurality of portable feedstock processing plants to produce a sugar water and one or more byproducts, wherein the processing comprises mechanical destruction, pretreatment, and/or enzymatic hydrolysis; c) separating the sugar water produced from the cellulose, hemicellulose, and/or lignocellulose from the one or more byproducts at the plurality of portable feedstock processing plants; d) transporting the separated sugar water from the plurality of portable feedstock processing plants to a centralized ethanol producing plant; and e) producing ethanol from the transported sugar water at the centralized ethanol producing plant. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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3. A distributed production method for producing sugar water and ethanol, the method comprising the steps of:
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a) providing a feedstock comprising cellulose, hemicellulose, and/or lignocellulose to each of a plurality of portable feedstock processing plants each of which is located at or near a feedstock providing site; b) processing the cellulose, hemicellulose, and/or lignocellulose of the feedstock at the plurality of portable feedstock processing plants to produce a sugar water comprising xylose, and one or more byproducts and/or byproducts, wherein the processing comprises mechanical destruction, dilute-acid thermochemical treatment, and enzymatic hydrolysis; c) separating the sugar water comprising xylose from the one or more products and/or byproducts at the plurality of portable feedstock processing plants; d) concentrating the separated sugar water at the plurality of portable feedstock processing plants; e) transporting the concentrated sugar water from the plurality of portable feedstock processing plants to a centralized ethanol producing plant; and f) producing ethanol from the transported sugar water at the centralized ethanol producing plant.
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4. A distributed production method for producing sugar water and ethanol, the method comprising the steps of:
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a) providing a feedstock comprising cellulose, hemicellulose, and/or lignocellulose to each of a plurality of portable feedstock processing plants each of which is located at or near a feedstock providing site; b) processing the cellulose, hemicellulose, and/or lignocellulose of the feedstock at the plurality of portable feedstock processing plants to produce glucose in a sugar water, and one or more byproducts and/or byproducts, wherein the processing comprises mechanical destruction, dilute-acid thermochemical treatment, and enzymatic hydrolysis; c) separating the sugar water from the one or more products and/or byproducts at the plurality of portable feedstock processing plants; d) concentrating the separated sugar water at the plurality of portable feedstock processing plants; e) transporting the concentrated sugar water from the plurality of portable feedstock processing plants to a centralized ethanol producing plant; and f) producing ethanol from the transported sugar water at the centralized ethanol producing plant.
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Specification