CN1036406A - Utilize vinasse fermentation to extract citric acid - Google Patents
Utilize vinasse fermentation to extract citric acid Download PDFInfo
- Publication number
- CN1036406A CN1036406A CN 88103271 CN88103271A CN1036406A CN 1036406 A CN1036406 A CN 1036406A CN 88103271 CN88103271 CN 88103271 CN 88103271 A CN88103271 A CN 88103271A CN 1036406 A CN1036406 A CN 1036406A
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- China
- Prior art keywords
- citric acid
- fermentation
- vinasse
- extract citric
- utilize
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- 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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- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
Abstract
Under China's current citric acid fermentation industrial starch raw material pressure, the present invention utilizes subsidiary material such as vinasse interpolation organonitrogen, vitamin H to connect the aspergillus niger aerobic fermentation and extracts citric acid after 96～100 hours.
Description
The present invention improves the starch material pressure of citric acid industry and multi-level, a major issue of comprehensive exploitation starch resource.
China rural area structure of agricultural production in recent years changes greatly, adds that foodstuffs industry more increased the demand day of starch, and the starch material of the citric acid fermentation industry of China is faced with very Stress, and but supply falls short of demand for citric acid on the domestic and international market.
In order to improve this situation and multi-level exploitation, utilize starch resource, the present invention is according to the production bacterium-aspergillus niger of citric acid, not only contain a-amylase, outside the glucuroide, also contain features such as cellulase, polygalacturonase, can have abundant carbohydrate breakdown to become monose to transform, collect the tired citric acid that is again residual in the vinasse, simultaneously, also have the organonitrogen of certain content in the vinasse, these all very help the conversion and the utilization of aspergillus niger yeast nucleic acid, reducing sugar etc.In order to improve and promote the sour ability of life of aspergillus niger, the present invention has added a certain proportion of vitamin H in vinasse, organonitrogen, then that auxiliary tone is good fermented liquid autoclave sterilization in fermentor tank, excellent species is inserted in the cooling back, 29 ℃-30 ℃ fermentations of temperature control in aseptic aerobic fermentation 96-100 hour stop the back and extract citric acid by the citric acid production ordinary method, and its technical process is as follows:
Elite seed (inoculation)
↓
Vinasse+interpolation subsidiary material → sterilization, 29 ℃ of-30 ℃, 96～100 hours → vacuum filtration → neutralization → acidolysis → decolouring → demetalization ion → vacuum concentration → Crystallization Separation → finished product packings of cooling → aerobic fermentation
Feature of the present invention: 1. can improve citric acid fermentation industrial raw material pressure.2. multi-level comprehensive exploitation starch resource, 3. changing waste into valuables, administer industrial three slags, increase is earned foreign exchange.4. it is difficult to the vinasse transportation to solve the vast family of raising pigs, the difficulty that packing is difficult.
Claims (1)
- Utilize vinasse to add sterilization behind vitamin H, the organonitrogen, insert aspergillus niger, extract citric acid after 96～100 hours at 29 ℃ of-30 ℃ of following aerobic fermentations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88103271 CN1036406A (en) | 1988-05-28 | 1988-05-28 | Utilize vinasse fermentation to extract citric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88103271 CN1036406A (en) | 1988-05-28 | 1988-05-28 | Utilize vinasse fermentation to extract citric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1036406A true CN1036406A (en) | 1989-10-18 |
Family
ID=4832522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88103271 Pending CN1036406A (en) | 1988-05-28 | 1988-05-28 | Utilize vinasse fermentation to extract citric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1036406A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747121A (en) * | 2012-07-19 | 2012-10-24 | 中粮生物化学（安徽）股份有限公司 | Starchy material enzymolysis product and preparation method and application thereof and method for preparing citric acid by fermentation |
| US11859230B2 (en) * | 2016-05-26 | 2024-01-02 | The Regents Of The University Of Michigan | Compositions and methods for microbial co-culture |
-
1988
- 1988-05-28 CN CN 88103271 patent/CN1036406A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102747121A (en) * | 2012-07-19 | 2012-10-24 | 中粮生物化学（安徽）股份有限公司 | Starchy material enzymolysis product and preparation method and application thereof and method for preparing citric acid by fermentation |
| CN102747121B (en) * | 2012-07-19 | 2014-10-22 | 中粮生物化学（安徽）股份有限公司 | Starchy material enzymolysis product and preparation method and application thereof and method for preparing citric acid by fermentation |
| US11859230B2 (en) * | 2016-05-26 | 2024-01-02 | The Regents Of The University Of Michigan | Compositions and methods for microbial co-culture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |