Process, plant and biofuel for integrated biofuel production
First Claim
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1. An integrated process of coproducing butanol and biodiesel, the process comprising:
- removing hexose from a feedstock to form a lignocellulosic material;
converting the hexose to butanol;
depolymerizing the lignocellulosic material to form pentose and a residue; and
converting the pentose to a biodiesel material.
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Abstract
This invention relates to a process, a plant, and a biofuel for integrated biofuel production, such as with butanol, biodiesel, and/or sugar product. The integrated process includes the step of removing hexose from a feedstock to form a lignocellulosic material. The process also includes the step of converting the hexose to butanol and/or a biodiesel material, and the step of depolymerizing lignocellulosic material to form pentose and a residue. The process also includes the step of converting the pentose to butanol and/or a biodiesel material.
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Citations
25 Claims
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1. An integrated process of coproducing butanol and biodiesel, the process comprising:
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removing hexose from a feedstock to form a lignocellulosic material; converting the hexose to butanol; depolymerizing the lignocellulosic material to form pentose and a residue; and converting the pentose to a biodiesel material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An integrated process of coproducing butanol and biodiesel, the process comprising:
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removing hexose from sugarcane to form a lignocellulosic material; converting the hexose to butanol; depolymerizing the lignocellulosic material to form pentose and a residue; converting the pentose to a biodiesel material; consuming the residue to produce energy; reacting the biodiesel material with methanol to form a biodiesel product and glycerin; and converting the glycerin to additional biodiesel material; wherein the process produces a mass ratio of biodiesel to butanol of at least about 0.2 kilotons of biodiesel to 1.0 kiloton of butanol.
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19. An integrated butanol and biodiesel plant, the plant comprising:
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a hexose removal unit adapted for removing hexose from a feedstock to form a lignocellulosic material; a hexose conversion unit adapted for converting hexose to butanol; a pentose depolymerization unit adapted for removing pentose from the lignocellulosic material to form a residue; and a pentose conversion unit adapted for converting pentose to a biodiesel material. - View Dependent Claims (20, 21, 22, 23, 24)
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25. An integrated process of coproducing biofuels, the process comprising:
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removing hexose from a feedstock and to form a lignocellulosic material; converting the hexose to butanol or a biodiesel material; depolymerizing the lignocellulosic material to form pentose and a residue; and converting the pentose to butanol or a biodiesel material.
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Specification