Methods for biomass deconstruction and purification
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C13K-013/00
C07C-001/22
C10G-001/06
C10G-003/00
출원번호
US-0539003
(2012-06-29)
등록번호
US-9212315
(2015-12-15)
발명자
/ 주소
Qiao, Ming
Woods, Elizabeth
Myren, Paul
Cortright, Randy
출원인 / 주소
Virent, Inc.
대리인 / 주소
Quarles & Brady LLP
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
The present invention provides processes for deconstructing and purifying biomass using water. The method includes the steps of loading a reactor with biomass and water, establishing and maintaining a deconstruction temperature and pressure for a deconstruction period, flushing the reactor with wate
The present invention provides processes for deconstructing and purifying biomass using water. The method includes the steps of loading a reactor with biomass and water, establishing and maintaining a deconstruction temperature and pressure for a deconstruction period, flushing the reactor with water, and repeating these steps to produce a solid phase and a biomass hydrolysate.
대표청구항▼
1. A method of making a biomass hydrolysate, the method comprising: a. loading a reactor with biomass and water;b. heating the reactor to a deconstruction temperature and establishing a deconstruction pressure;c. maintaining the reactor at the deconstruction temperature and the deconstruction pressu
1. A method of making a biomass hydrolysate, the method comprising: a. loading a reactor with biomass and water;b. heating the reactor to a deconstruction temperature and establishing a deconstruction pressure;c. maintaining the reactor at the deconstruction temperature and the deconstruction pressure for a deconstruction period;d. flushing the reactor with water; ande. repeating steps (b)-(d) to produce a solid phase and a biomass hydrolysate comprising at least one member selected from the group consisting of a water-soluble lignocellulose derivative, a water-soluble cellulose derivative, a water-soluble hemicellulose derivative, a water-soluble lignin derivative, a carbohydrate, a starch, a monosaccharide, a disaccharide, a polysaccharide, a sugar, a sugar alcohol, an alditol, a polyol, a phenol, an ash component, and an extractive. 2. The method of claim 1 wherein the ash component comprises at least one member selected from the group consisting of Al, Ba, Ca, Fe, K, Mg, Mn, P, S, Si, and Zn. 3. The method of claim 1 wherein the extractive comprises a member selected from the group consisting of terpenoids, stilbenes, flavonoids, phenolics, aliphatics, lignans, alkanes, and proteinaceous materials. 4. The method of claim 1 wherein steps (b)-(d) are repeated until the weight:weight ratio of the sum of the water used in steps (a) and (d) to the total biomass loaded in step (a) is between about 20:1 and 1:1. 5. The method of claim 1 further comprising: f. separating the solid phase from the biomass hydrolysate, wherein the solid phase comprises a residual biomass component. 6. The method of claim 1 wherein the deconstruction temperature is between about 70° C. and 350° C. 7. The method of claim 1 wherein the deconstruction pressure is between about 100 psi and 2000 psi. 8. The method of claim 1 wherein the deconstruction period is between about 1 minute and 3 hours. 9. The method of claim 1 wherein the deconstruction temperature is between about 70° C. and 300° C., the deconstruction pressure is between about 100 psi and 1500 psi, and the deconstruction period is between about 1 minutes and 90 minutes. 10. The method of claim 1 wherein the biomass hydrolysate comprises a sugar, a sugar alcohol, and acetic acid. 11. The method of claim 5 further comprising: g. reacting the biomass hydrolysate with hydrogen in the presence of a deoxygenation catalyst at a deoxygenation temperature and a deoxygenation pressure to produce an oxygenate comprising a C2+O1-3 hydrocarbon in a reaction stream. 12. The method of claim 5 further comprising reacting the oxygenate in the presence of a condensation catalyst at a condensation temperature and condensation pressure to produce a product stream comprising one or more C4+ compounds. 13. A method of deconstructing biomass, the method comprising: deconstructing abiomass feed stream comprising water and biomass in a reactor at a deconstruction temperature and a deconstruction pressure for a deconstruction period;flushing the reactor with water after the deconstruction period to produce a solid phase and a biomass hydrolysate comprising at least one member selected from the group consisting of a water-soluble lignocellulose derivative, a water-soluble cellulose derivative, a water-soluble hemicellulose derivative, a water-soluble lignin derivative, a carbohydrate, a starch, a monosaccharide, a disaccharide, a polysaccharide, a sugar, a sugar alcohol, an alditol, a polyol, a phenol, an ash component, and an extractive; andseparating the solid phase from the biomass hydrolysate. 14. The method of claim 13 wherein the ash component comprises at least one member selected from the group consisting of Al, Ba, Ca, Fe, K, Mg, Mn, P, S, Si, and Zn. 15. The method of claim 13 wherein the extractive comprises a member selected from the group consisting of terpenoids, stilbenes, flavonoids, phenolics, aliphatics, lignans, alkanes, and proteinaceous materials. 16. The method of claim 13 wherein the solid phase comprises a residual biomass component, an ash component, an extractive, or a combination of any two or all three of the foregoing. 17. The method of claim 13 wherein deconstructing the biomass feed stream is repeated until the weight:weight ratio of the sum of the water contained in the biomass feed stream and used for flushing to total biomass in the biomass feed stream is between about 20:1 and 1:1. 18. The method of claim 13 wherein the deconstruction temperature is between about 70° C. and 350° C., the deconstruction pressure is between about 100 psi and 2000 psi, and the deconstruction period is between about 1 minute and 3 hours. 19. The method of claim 13 further comprising reacting the biomass hydrolysate with hydrogen in the presence of a deoxygenation catalyst at a deoxygenation temperature and a deoxygenation pressure to produce an oxygenate comprising a C2+O1-3 hydrocarbon in a reaction stream. 20. The method of claim 19 further comprising: reacting the oxygenate in the presence of a condensation catalyst at a condensation temperature and condensation pressure to produce a product stream comprising one or more C4+ compounds. 21. A method for producing C4+ compounds from a biomass hydrolysate, the method comprising: deconstructing a biomass feed stream comprising water and biomass in a reactor at a deconstruction temperature between about 70° C. and 350° C. and a deconstruction pressure between about 100 psi and 2000 psi for a deconstruction period between about 1 minute and 3 hours;flushing the reactor with water;repeating the deconstruction until the weight:weight ratio of total biomass in the biomass feed stream to the sum of the water used in the biomass feed stream and used in the flushing step is between about 20:1 and 1:1 to produce a solid phase and biomass hydrolysate, the biomass hydrolysate comprising at least one member selected from the group consisting of a water-soluble lignocellulose derivative, a water-soluble cellulose derivative, a water-soluble hemicellulose derivative, a water-soluble lignin derivative, a carbohydrate, a starch, a monosaccharide, a disaccharide, a polysaccharide, a sugar, a sugar alcohol, an alditol, a polyol, a phenol, an ash component, and an extractive, the solid phase comprising a residual biomass component, an ash component, and an extractive;separating the solid phase from the biomass hydrolysate;catalytically reacting the biomass hydrolysate with hydrogen in the presence of a deoxygenation catalyst at a deoxygenation temperature and a deoxygenation pressure to produce an oxygenate comprising a C2+O1-3 hydrocarbon in a reaction stream;reacting the oxygenate in the presence of a condensation catalyst at a condensation temperature and condensation pressure to produce a product stream comprising one or more C4+ compounds. 22. A method of making a biomass hydrolysate, the method comprising: deconstructing a biomass feed stream comprising water and biomass in a reactor at a first deconstruction temperature between about 70° C. and 350° C. and a first deconstruction pressure between about 100 psi and 2000 psi for a first deconstruction period between about 1 minute and 3 hours;flushing the reactor with water to produce a purge stream comprising at least one member selected from the group consisting of a water-soluble lignocellulose derivative, a water-soluble cellulose derivative, a water-soluble hemicellulose derivative, a water-soluble lignin derivative, a carbohydrate, a starch, a monosaccharide, a disaccharide, a polysaccharide, a sugar, a sugar alcohol, an alditol, a polyol, a phenol, an ash component, and an extractive;deconstructing the biomass feed stream in the reactor at a second deconstruction temperature between about 70° C. and 350° C. and a second deconstruction pressure between about 100 psi and 2000 psi for a second deconstruction period between about 1 minute and 3 hours;flushing the reactor with water;repeating the second deconstruction until the weight:weight ratio of biomass used in the biomass feed stream to the sum of the water used in the biomass feed stream and in the flushing steps is between about 20:1 and 1:1 to produce a solid phase and biomass hydrolysate, the biomass hydrolysate comprising at least one member selected from the group consisting of a water-soluble lignocellulose derivative, a water-soluble cellulose derivative, a water-soluble hemicellulose derivative, a water-soluble lignin derivative, a carbohydrate, a starch, a monosaccharide, a disaccharide, a polysaccharide, a sugar, a sugar alcohol, an alditol, a polyol, a phenol, an ash component, and an extractive.
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이 특허에 인용된 특허 (8)
Cortright, Randy D.; Dumesic, James A., Low-temperature hydrocarbon production from oxygenated hydrocarbons.
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