NL2021194B1 - A comprehensive utilization method for preparing levulinic acid through directional liquefaction of lignocellulosic biomass - Google Patents
A comprehensive utilization method for preparing levulinic acid through directional liquefaction of lignocellulosic biomass Download PDFInfo
- Publication number
- NL2021194B1 NL2021194B1 NL2021194A NL2021194A NL2021194B1 NL 2021194 B1 NL2021194 B1 NL 2021194B1 NL 2021194 A NL2021194 A NL 2021194A NL 2021194 A NL2021194 A NL 2021194A NL 2021194 B1 NL2021194 B1 NL 2021194B1
- Authority
- NL
- Netherlands
- Prior art keywords
- sulfolane
- water
- levulinic acid
- filtrate
- acid
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/38—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D307/40—Radicals substituted by oxygen atoms
- C07D307/46—Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
- C07D307/48—Furfural
- C07D307/50—Preparation from natural products
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710703178.6A CN107382714B (zh) | 2017-08-16 | 2017-08-16 | 一种木质纤维定向液化制备乙酰丙酸的综合利用方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL2021194B1 true NL2021194B1 (en) | 2018-12-19 |
Family
ID=60352870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL2021194A NL2021194B1 (en) | 2017-08-16 | 2018-06-28 | A comprehensive utilization method for preparing levulinic acid through directional liquefaction of lignocellulosic biomass |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107382714B (zh) |
| NL (1) | NL2021194B1 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109467542A (zh) * | 2018-12-05 | 2019-03-15 | 中国林业科学研究院林产化学工业研究所 | 一种纤维类生物质直接液化制备乙酰丙酸和糠醛的方法 |
| CN109535109A (zh) * | 2018-12-05 | 2019-03-29 | 中国林业科学研究院林产化学工业研究所 | 一种木质纤维定向液化制备5-羟甲基糠醛的方法 |
| CN111875568A (zh) * | 2020-07-27 | 2020-11-03 | 齐鲁工业大学 | 一种生物质分级炼制综合利用的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7520905B1 (en) * | 2006-02-06 | 2009-04-21 | Gene E Lightner | Additives derived from biomass extracted by biodiesel fuel oil |
| CN104024238B (zh) * | 2011-12-28 | 2016-07-06 | 纳幕尔杜邦公司 | 用于制备糠醛的方法 |
| KR101559532B1 (ko) * | 2013-08-29 | 2015-10-21 | 한국생산기술연구원 | 바이오매스 유래 에틸렌 글리콜계 화합물 용매 하의 고체 산 촉매를 이용한 레블리닉산의 제조방법 |
| CN104888655B (zh) * | 2015-05-28 | 2017-03-01 | 中国林业科学研究院林产化学工业研究所 | 木质纤维糖基表面活性剂及其制备方法 |
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2017
- 2017-08-16 CN CN201710703178.6A patent/CN107382714B/zh active Active
-
2018
- 2018-06-28 NL NL2021194A patent/NL2021194B1/en active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107382714A (zh) | 2017-11-24 |
| CN107382714B (zh) | 2020-07-28 |
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