Lignocellulose conversion processes and products
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10L-001/18
C11D-003/382
C11D-003/386
C07C-057/04
C13K-013/00
C08K-003/20
C08H-008/00
C13K-001/02
A61L-015/42
C08H-007/00
C08L-097/02
D21C-003/00
D21H-011/00
C10L-001/00
C10L-001/02
C10L-001/04
C10L-001/06
C10L-001/08
출원번호
US-0009858
(2012-04-02)
등록번호
US-9512495
(2016-12-06)
국제출원번호
PCT/IL2012/050118
(2012-04-02)
§371/§102 date
20140206
(20140206)
국제공개번호
WO2012/137201
(2012-10-11)
발명자
/ 주소
Eyal, Aharon
Jansen, Robert P.
출원인 / 주소
Virdia, Inc.
대리인 / 주소
Wilson Sonsini Goodrich & Rosati
인용정보
피인용 횟수 :
7인용 특허 :
185
초록▼
Processes for converting lignocellulose to feedstock and downstream products are disclosed. The processes may include acid treatment of lignocellulose to produce a fermentation feedstock. In various instances, the processes include recovery or recycling of acid, such as recovery of hydrochloric acid
Processes for converting lignocellulose to feedstock and downstream products are disclosed. The processes may include acid treatment of lignocellulose to produce a fermentation feedstock. In various instances, the processes include recovery or recycling of acid, such as recovery of hydrochloric acid from concentrated and/or dilute streams. Downstream products may include acrylic acid-based products such as diapers, paper and paper-based products, ethanol, biofuels such as biodiesel and fuel additives, and detergents.
대표청구항▼
1. A carbohydrate mixture derived from a lignocellulosic hydrolyzate comprising: (i) disaccharides in a proportion relative to a total carbohydrate content of the carbohydrate mixture of at least 0.05, (ii) at least one pentose in a proportion relative to the total carbohydrate content of the carboh
1. A carbohydrate mixture derived from a lignocellulosic hydrolyzate comprising: (i) disaccharides in a proportion relative to a total carbohydrate content of the carbohydrate mixture of at least 0.05, (ii) at least one pentose in a proportion relative to the total carbohydrate content of the carbohydrate mixture of at least 0.05, (iii) an alpha-bonded carbohydrate, (iv) a beta bonded carbohydrate, (v) furfural, in an amount up to 1000 ppm and (vi) more than 100 ppb S1 solvent characterized by a water solubility of less than 10% and by at least one of (a1) having a polarity related component of Hoy's cohesion parameter (delta-P) between 5 and 10 MPa1/2 and (b1) having a hydrogen bonding related component of Hoy's cohesion parameter (delta-H) between 5 and 20 MPa1/2. 2. The carbohydrate mixture of claim 1, further comprising oligomers in a proportion relative to the total carbohydrate content of the carbohydrate mixture of less than 0.2. 3. The carbohydrate mixture of claim 1, wherein the disaccharides are present in a proportion relative to the total carbohydrate content of the carbohydrate mixture of at least 0.1. 4. The carbohydrate mixture of claim 1, wherein the disaccharides are present in a proportion relative to monomers of at least 0.05. 5. The carbohydrate mixture of claim 1, wherein the at least one pentose is xylose or arabinose. 6. The carbohydrate mixture of claim 1, further comprising at least one hexose. 7. The carbohydrate mixture of claim 6, wherein the at least one hexose is glucose or mannose. 8. The carbohydrate mixture of claim 1, wherein the at least one pentose is present in a proportion relative to the total carbohydrate content of the carbohydrate mixture of at least 0.1. 9. The carbohydrate mixture of claim 1, wherein the alpha-bonded carbohydrate is selected from the group consisting of maltose, isomaltose, trehalose, kojibiose, and nigerose. 10. The carbohydrate mixture of claim 1, wherein the alpha-bonded carbohydrate is present in a proportion relative to the total carbohydrate content of the carbohydrate mixture of at least 0.01. 11. The carbohydrate mixture of claim 1, wherein the beta-bonded carbohydrate is selected from the group consisting of gentiobiose, sophorose, cellobiose, laminaribiose, and beta-trehalose. 12. The carbohydrate mixture of claim 1, wherein the beta-bonded carbohydrate is present in a proportion relative to the total carbohydrate content of the carbohydrate mixture of at least 0.01. 13. A method comprising fermenting a medium comprising the carbohydrate mixture of claim 1 to produce a fermentation product. 14. The method of claim 13, wherein the fermentation product is selected from the group consisting of alcohols, organic acids, organic esters of 3 to 12 carbon atoms, amino acids, peptides, and proteins. 15. The method of claim 13, further comprising processing the fermentation product to produce a consumable product. 16. The method of claim 15, wherein the consumable product comprises at least 5% by weight of the fermentation product. 17. The method of claim 15, wherein the consumable product comprises more than 100 ppb S1 solvent. 18. The method of claim 15, wherein the consumable product has a ratio of carbon-14 to carbon-12 of about 2.0 ×10−13 or greater. 19. The method of claim 15, wherein the consumable product is ethanol-enriched gasoline, butanol-enriched gasoline, diesel fuel, gasoline, jet fuel, biodiesel or drop-in fuels. 20. The method of claim 15, wherein the consumable product is a detergent precursor, a polyolefin precursor, a polylactic acid precursor, a polyhydroxyalkanoate precursor, a polyacrylate precursor or an acrylic acid precursor. 21. The method of claim 15, wherein the consumable product is selected from the group consisting of detergent, polyethylene-based products, polypropylene-based products, polyolefin-based products, polylactic acid-based products, polyhydroxyalkanoate-based products and polyacrylic-based products.
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이 특허에 인용된 특허 (185)
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