CN101016559A - Method of producing yam saponin with zero discharge - Google Patents
Method of producing yam saponin with zero discharge Download PDFInfo
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- CN101016559A CN101016559A CN 200710004641 CN200710004641A CN101016559A CN 101016559 A CN101016559 A CN 101016559A CN 200710004641 CN200710004641 CN 200710004641 CN 200710004641 A CN200710004641 A CN 200710004641A CN 101016559 A CN101016559 A CN 101016559A
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Abstract
The invention discloses a zero discharge method to prepare Chinese yam saponin, which comprises the following steps: washing the raw material; removing mud; disintegrating with grinder; grinding to pulp with paste mill; screening with jigging screen; removing cellulose; depositing; separating supernatant fluid; heating the deposition; gelatinizing; transforming to sugar with amylase and saccharifying enzyme; cooling saccharifying material; yeasting with wine mother; making sugar transform to alcohol; separating out of zymotic fluid; distilling out of alcohol; disposing the residual liquid; cycle-using; condensing the deposition with machine and man; adding acid into concentrate; hydrolyzing; disposing hydrolysate; cycle-using; drying hydrolysis slag; extracting Chinese yam saponin; cycle-using supernatant fluid directly or cycle-using after treatment. This method possesses simple craft and low cost, which fits for industrial production.
Description
Technical field
The invention belongs to vegetable chemistry engineering field, relate in particular to a kind of method of environment-friendly and green processing diosgenin.
Background technology
Diosgenin is the basic raw material that is used for the synthesizing steroid hormone medicine, reaches kind more than 300 by its synthetic medicine, have the title of " medicinal gold ", and therefore, diosgenin occupies important status on medical market.From eighties of last century fifties, China is with the raw materials for production of yellow ginger processing diosgenin as hormone drugs, traditional processing technology will produce high-concentration acid organic wastewater more than 500 tons in one ton of saponin process of every production, this its COD of acid organic waste water is more than 50000mg/L, pH value 1.0---2.0 is extremely serious to water resource pollution.Meanwhile, the starch that accounts for yellow ginger raw material 45%---50% is hydrolyzed and runs off along with waste water behind the saccharogenesis and slattern, along with the startup of south water to north work centerline, and the enhancing of people's environmental consciousness, traditional technology can not adapt to the needs of the times.
From eighties of last century eighties, the yellow ginger complete processing has been carried out inquiring in large quantities, up to now, the production technique thinking mainly contains: one, direct method of isolation.The Mierocrystalline cellulose, starch, saponin, pectin and other materials that are about in the yellow ginger directly separate, and this process must use film to handle production cost height, and technology prematurity still.Two, liquefying-saccharifying method.Be about to yellow ginger and pulverize after initial fermentation is sized mixing material and liquefied, saccharification is handled, and separating glucose carries out acidolysis more then, and this method running cost is higher, and quality product is not good.Three, the material after will pulverizing liquefies, preparing ethanol by fermentation again, and then through acidolysis, this method operation easier is big, and the cost height, the sewage generation is also bigger, so be difficult to carry out.Above-mentioned three kinds of methods are all incited somebody to action generation waste water in various degree, therefore must build sewage treatment facility.Four, directly carry out end treatment, this method production efficiency is low, and resource utilization is low, and the running cost height is not even there is successful example.
Summary of the invention
The present invention can reach the purpose that a large amount of waste water pollution problems in the diosgenin process are produced in thorough solution.Can utilize resources synthetically, reduce to produce consuming, save social resources, realize zero release not needing to set up separately under the situation of Sewage treatment systems, reach the purpose of protection environment.
Theoretical foundation of the present invention: after destroying plant cell tissue's structure, wood fibre obtains separating, and amylolytic fermentation generates ethanol, protein heat denatured precipitation, and flavonoid and other organic substances precipitate under alkaline condition.
Based on above-mentioned principle, technical scheme of the present invention is as follows: the zero-emission method of producing diosgenin realizes by following steps
(1), raw materials for production pre-treatment: wash silt, pulverize, material is modulated into 10% slurries, grind with paste roller mill again with pulverizer.
(2), precipitation separation: above-mentioned slurries are removed Mierocrystalline cellulose with bolting, and sieve slurries post precipitation is down isolated supernatant liquor.
(3), saccharification:, with amylase and saccharifying enzyme starch is changed into glucose again with throw out heating, gelatinization.
(4), alcoholic fermentation: the saccharification material is cooled to 28-35 ℃, adds distiller's yeast fermentation 48 hours.
(5), separate fermentation liquid: isolate above-mentioned fermented liquid, throw out with machinery or manually concentrate.
(6), acidolysis, extraction:, through super-dry, extraction, crystallization, centrifugal, dry, obtain the diosgenin finished product again with the enriched material acid hydrolysis.
(7), the processing of supernatant liquor: apply mechanically after supernatant liquor directly applied mechanically or handle.
(8), the processing of fermented liquid: fermented liquid is distilled out ethanol, and raffinate is applied mechanically after treatment.
(9), the processing of acid hydrolysis solution: the hydrolysis acid solution is added the alkali neutralization, precipitate and separate, filtrate is applied mechanically.
The invention effect: processing step of the present invention is short and sweet, reduces cost, and the content that develops skill makes full use of resource.Need not huge investment, especially, avoided the separation of liquid glucose in saccharification and alcoholic fermentation stage, the keeping of liquid glucose, and the secondary pollution that brings of aftertreatment, and directly change into ethanol, and as industrial raw material, avoided waste, saved resource.Liquid in the production process recycles after treatment, and sewage effluent just not need not to set up Sewage treatment systems yet, has saved the sewage disposal expense, does not destroy and water resources is not produced, and reaches both to guarantee the Sustainable development of yellow ginger industry, protects the purpose of environment again.
Description of drawings
Fig. 1 is technological process of production figure of the present invention.
Embodiment
According to the technological process of production shown in Figure 1, it is as follows to describe the present invention in detail:
(1), raw materials pretreatment: wash silt, pulverize, material is modulated into 10% slurries, grind with paste roller mill again with hammer mill.
(2), precipitation separation: above-mentioned slurries are removed Mierocrystalline cellulose with bolting, and sieve slurries post precipitation is down isolated 60% supernatant liquor.
(3), saccharification:, change into glucose with amylase and saccharifying enzyme again with throw out heating, gelatinization.
(4), alcoholic fermentation: the saccharification material is cooled to 28-35 ℃, adds distiller's yeast fermentation 48 hours.
(5), separate fermentation liquid: isolate above-mentioned fermented liquid, throw out with machinery or manually concentrate.
(6), acidolysis, extraction:, extract and obtain the diosgenin finished product through filtration, neutralization, dry back again with the enriched material acid hydrolysis.
(7), the processing of supernatant liquor: with supernatant liquor directly size mixing with or thermal precipitation isolate protein, again through alkalization, precipitation, separate, apply mechanically after the neutralization.
(8), the processing of fermented liquid: go out ethanol with fermented distilled, raffinate through alkalization, precipitation, separate, apply mechanically after the neutralization.
(9), the processing of acid hydrolysis solution: the hydrolysis acid solution is added the alkali neutralization, precipitate and separate, filtrate is applied mechanically.
The invention has the advantages that starch directly changes into ethanol, reduced production link, saved resource, avoided secondary pollution, the liquid in the production process recycles after treatment, and the solid materials after the processing can utilize, waste discharge not, need not set up Sewage treatment systems, save the sewage disposal expense, thoroughly solve the waste water pollution problem of yellow ginger production diosgenin.
Claims (5)
1, produce the zero-emission method of Chinese yam, specifically realize by following steps:
(1), raw materials for production pre-treatment: wash silt, pulverize, grind pulping with paste roller mill again with pulverizer.
(2), precipitation separation: above-mentioned slurries are removed Mierocrystalline cellulose with bolting, and sieve slurries post precipitation is down isolated supernatant liquor.
(3), saccharification:, transform saccharogenesis with amylase and saccharifying enzyme again with throw out heating, gelatinization.
(4), alcoholic fermentation: the saccharification material is cooled to 28-35, adds distiller's yeast fermentation 48 hours.
(5), separate fermentation liquid: isolate above-mentioned fermented liquid, throw out with machinery or manually concentrate.
(6), acidolysis, extraction:, through super-dry, extraction, crystallization, centrifugal, dry, obtain the diosgenin finished product again with the enriched material acid hydrolysis.
(7), the processing of supernatant liquor: apply mechanically after supernatant liquor directly applied mechanically or handle.
(8), the processing of fermented liquid: go out ethanol with fermented distilled, raffinate is applied mechanically after treatment.
(9), the processing of acid hydrolysis solution: the hydrolysis acid solution is added the alkali neutralization, precipitate and separate, filtrate is applied mechanically.
2, the zero-emission method of production diosgenin according to claim 1, it specifically was characterized as the technological process of alcoholic fermentation in the step (4), specifically is to add distiller's yeast in the saccharification material, 28-35 condition bottom fermentation 48 hours.Separate then, acidolysis.
3, the zero-emission method of production diosgenin according to claim 1, it specifically is characterized as the processing of supernatant liquor in the step (7), and specifically: supernatant liquor directly applied mechanically or is heated to precipitation more than 60, separate, filtrate recirculation is applied mechanically.
4, the zero-emission method of production diosgenin according to claim 1, it specifically is characterized as the processing of fermented liquid in the step (8), specifically be that the raffinate after the distillation is added alkali (calcium hydroxide the best) to meta-alkalescence, after precipitation, the separation, liquid recycles after being neutralized to neutrality.
5, the zero-emission method of production diosgenin according to claim 1, it specifically is characterized as the processing of acid hydrolysis solution in the step (9), specifically is that acid hydrolysis solution is added alkali (calcium hydroxide the best) to meta-alkalescence, produces precipitation, behind the precipitation separation, liquid recycles after being neutralized to neutrality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710004641 CN101016559A (en) | 2007-01-13 | 2007-01-13 | Method of producing yam saponin with zero discharge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710004641 CN101016559A (en) | 2007-01-13 | 2007-01-13 | Method of producing yam saponin with zero discharge |
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| CN101016559A true CN101016559A (en) | 2007-08-15 |
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| CN 200710004641 Pending CN101016559A (en) | 2007-01-13 | 2007-01-13 | Method of producing yam saponin with zero discharge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336804A (en) * | 2010-07-19 | 2012-02-01 | 重庆华邦制药股份有限公司 | Method for extraction of diosgenin via steam explosion |
| CN101731748B (en) * | 2008-11-05 | 2012-07-18 | 湖北中烟工业有限责任公司 | Method for extracting Dendranthema indium leaves and application of extractive thereof in cigarettes |
-
2007
- 2007-01-13 CN CN 200710004641 patent/CN101016559A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101731748B (en) * | 2008-11-05 | 2012-07-18 | 湖北中烟工业有限责任公司 | Method for extracting Dendranthema indium leaves and application of extractive thereof in cigarettes |
| CN102336804A (en) * | 2010-07-19 | 2012-02-01 | 重庆华邦制药股份有限公司 | Method for extraction of diosgenin via steam explosion |
| CN102336804B (en) * | 2010-07-19 | 2015-06-03 | 重庆华邦制药有限公司 | Method for extraction of diosgenin via steam explosion |
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Open date: 20070815 |