CN105294614A - Method for preparation of furfural from crop fiber - Google Patents
Method for preparation of furfural from crop fiber Download PDFInfo
- Publication number
- CN105294614A CN105294614A CN201510820418.1A CN201510820418A CN105294614A CN 105294614 A CN105294614 A CN 105294614A CN 201510820418 A CN201510820418 A CN 201510820418A CN 105294614 A CN105294614 A CN 105294614A
- Authority
- CN
- China
- Prior art keywords
- furfural
- preparation
- crop
- raw material
- collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Fibers (AREA)
Abstract
The invention provides a method for preparation of furfural from crop fiber. The method includes the following steps: 1, collecting crop materials, and collecting raw material capable of being processed into of furfural; 2, putting the collected raw materials together, mixing, and placing fir six hours to increase aldehyde rate; 3, hydrolyzing under the action of dilute acid to obtain liquid containing furfural; and 4, crystallizing the liquid to complete production and processing. The method for preparation of furfural from crop fiber first conducts collection and pretreatment on a plurality of crops, and then conducts furfural preparation, thereby substantially raising utilization rate and output, and effectively collecting crop waste materials.
Description
Technical field
The present invention relates to furfural preparation field, particularly a kind of method utilizing plant fiber to prepare furfural.
Background technology
The agricultural byproducts of the furfural industrially luxuriant sugar of the many contractings of multiplex carbohydrate containing are raw material, are hydrolyzed under the effect of diluted acid, and further water ringization manufactures furfural.Furfural is excellent solvent, also for the preparation of medicine and Industrial products.Can be used to produce furans, polyamide fibre 66 and coromegine etc., its raw materials utilization ratio is very low at present.
Summary of the invention
For above problem, the present invention is a kind of method utilizing plant fiber to prepare furfural, first carries out pre-treatment to various crop, carry out furfural preparation again, thus improve utilization ratio, for reaching this object, the invention provides a kind of method utilizing plant fiber to prepare furfural, comprise the following steps:
The first step, to collect as raw material, the raw material that can be processed as furfural is collected;
Second step, the raw material gathered to be put together, carry out mix and blend, and place 6 hours, to submit out aldehyde rate to;
3rd step, to be hydrolyzed under the effect of diluted acid, to obtain the liquid containing furfural;
4th step, crystallization treatment is carried out to liquid, complete processing.
The present invention is a kind of method utilizing plant fiber to prepare furfural, first collects and pre-treatment various crop, then carries out furfural preparation, thus substantially increases utilization ratio and output, and then can effectively collect by crop wastes.
Embodiment
The present invention is a kind of method utilizing plant fiber to prepare furfural, and first many various crop carry out pre-treatment, then carry out furfural preparation, thus improve utilization ratio.
Utilize plant fiber to prepare a method for furfural, it is characterized in that, comprise the following steps:
The first step, to collect as raw material, the raw material that can be processed as furfural is collected;
Second step, the raw material gathered to be put together, carry out mix and blend, and place and within 6 hours, carry out pre-treatment, to submit out aldehyde rate to;
3rd step, to be hydrolyzed under the effect of diluted acid, to obtain the liquid containing furfural;
4th step, crystallization treatment is carried out to liquid, complete processing.
The above is only preferred embodiment of the present invention, is not restriction the present invention being made to any other form, and any amendment done according to technical spirit of the present invention or equivalent variations, still belong to the present invention's scope required for protection.
Claims (1)
1. utilize plant fiber to prepare a method for furfural, it is characterized in that, comprise the following steps:
The first step, to collect as raw material, the raw material that can be processed as furfural is collected;
Second step, the raw material gathered to be put together, carry out mix and blend, and place and within 6 hours, carry out pre-treatment, to submit out aldehyde rate to;
3rd step, to be hydrolyzed under the effect of diluted acid, to obtain the liquid containing furfural;
4th step, crystallization treatment is carried out to liquid, complete processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820418.1A CN105294614A (en) | 2015-11-24 | 2015-11-24 | Method for preparation of furfural from crop fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510820418.1A CN105294614A (en) | 2015-11-24 | 2015-11-24 | Method for preparation of furfural from crop fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105294614A true CN105294614A (en) | 2016-02-03 |
Family
ID=55192530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510820418.1A Pending CN105294614A (en) | 2015-11-24 | 2015-11-24 | Method for preparation of furfural from crop fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105294614A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858043A (en) * | 2006-06-07 | 2006-11-08 | 济南圣泉集团股份有限公司 | Method for producing furol by extruding plant stalk |
| CN101942529A (en) * | 2009-07-06 | 2011-01-12 | 中国科学院过程工程研究所 | Method for hydrolyzing straw with diluted acid and separating furfural from hydrolysate |
-
2015
- 2015-11-24 CN CN201510820418.1A patent/CN105294614A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1858043A (en) * | 2006-06-07 | 2006-11-08 | 济南圣泉集团股份有限公司 | Method for producing furol by extruding plant stalk |
| CN101942529A (en) * | 2009-07-06 | 2011-01-12 | 中国科学院过程工程研究所 | Method for hydrolyzing straw with diluted acid and separating furfural from hydrolysate |
Non-Patent Citations (1)
| Title |
|---|
| 高礼芳等: "高温稀酸催化玉米芯水解生产糠醛工艺优化", 《过程工程学报》 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160203 |
|
| RJ01 | Rejection of invention patent application after publication |