CN103598401A - Process for extracting feed nutrition liquid by utilizing potato starch wastewater - Google Patents
Process for extracting feed nutrition liquid by utilizing potato starch wastewater Download PDFInfo
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- CN103598401A CN103598401A CN201310524305.8A CN201310524305A CN103598401A CN 103598401 A CN103598401 A CN 103598401A CN 201310524305 A CN201310524305 A CN 201310524305A CN 103598401 A CN103598401 A CN 103598401A
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- potato starch
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- starch wastewater
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Abstract
The invention discloses a process for extracting a feed nutrition liquid by utilizing potato starch wastewater, and is characterized in that the process comprises the steps: precipitating the potato starch wastewater, filtering, and regulating the pH value to be acidic; then filtering, and regulating the pH value to be alkaline; followed by filtering, adding enzyme producing nitrifying bacteria, carrying out high-temperature boiling, and regulating the pH value to be neutral; and finally cooperating with a feed to be fed to livestock. The process used for treating the potato starch wastewater has sophisticated crafts, thoroughly removes impurities, does not introduce harmful substances, and is non-toxic and harmless, healthy and safe.
Description
Technical field
The invention belongs to water pollution control technical field, particularly utilize potato starch wastewater to extract the technique of feed nutrition liquid.
Background technology
In recent years, the increase day by day with the market demand of updating along with foods processing technique, the potato deep processing industry development of China is very fast, although potato deep process technology can increase value-added content of product, obtain larger economic benefit, but the wastewater flow rate producing is the more than 7 times of potato amount, has increased production cost, and environment has been caused to very large pollution in farina production process.
The main three class waste water that produce in farina production process: first kind waste water is mainly subject to the pollution of suspension (silt), also contain charlotte or fritter potato class, bud, grass, leaf, root etc.: Equations of The Second Kind waste water mainly contains organic compound, as carbohydrate and albumen, quite muddy, except the organic matter dissolving, also contain considerable insoluble matter, as starch particulate, cell, potato kind bud small pieces, root fiber and leaf etc.; The 3rd class, waste water (cooling water) is actually unpolluted water, cooling rear reusable edible.Therefore, actual waste water to be processed is first and second class waste water.
Because first kind waste water is mainly suspension, can adopt filter method to process, in Equations of The Second Kind waste water, contain protein, carbohydrate and mineral matter, it is the indispensable nutritional labeling of animal body, if harmful substance can be removed, retain its nutritional labeling, the economic worth that will greatly promote potato starch wastewater, realizes secondary utilization, turns waste into wealth.
Summary of the invention
The invention provides a kind of technique of utilizing potato starch wastewater to extract feed nutrition liquid, solve the problem of potato starch wastewater contaminated environment, realize cycling utilization of wastewater, promote economic benefit.
To achieve these goals, the technical solution used in the present invention is:
Utilize potato starch wastewater to extract the technique of feed nutrition liquid, comprise the following steps:
(1) precipitation and filtration, first standing in sedimentation basin by potato waste water, then filter by screen centrifuge, collects gained liquid;
(2) add acid for adjusting pH value, in the waste water after step (1) precipitation, filtration, add acid reagent to regulate pH below 2, to it is characterized in that: sour reagent used is tartaric acid;
(3) precipitation and filtration, will be standing in sedimentation basin through step (2) potato acid waste water, then filter by screen centrifuge, collect gained liquid;
(4) adding alkali and regulate pH value, is 8 to adding alkaline reagent adjusting pH in the waste water after step (3) precipitation, filtration, it is characterized in that: alkaline reagent used is Na
2cO
3;
(5) precipitation and filtration, will be standing in sedimentation basin through step (4) potato alkaline waste water, then filter by screen centrifuge, collect gained liquid;
(6) in the liquid of collecting to step (5), drop into and produce enzyme nitrifier, the amount of input is calculated according to the amount of adding a slice in 300ml liquid, and for producing the growth and breeding phase of enzyme nitrifier, incubation time is 3 hours subsequently;
(7) step (6) product enzyme nitrifier is aerobic bacteria, produces competitive reaction with other bacteriums, makes other harmful bacterias dead due to anoxic, removes subsequently and produces enzyme nitrifier, it is characterized in that: the method for employing is high-temperature boiling;
(8) by the liquid boiling with weak acid for adjusting pH value to neutral, then boil a period of time, can store stand-byly, it is characterized in that: acid reagent used is watery hydrochloric acid, watery hydrochloric acid concentration is 2molL
-1.
Process potato starch wastewater technique with prior art and compare, the present invention uses winestone acid for adjusting pH value to acid, and it is nontoxic without injury as food additives; Regulating liquid is that acid postprecipitation filters, and can remove alkaline microsolubility material; Use Na
2cO
3regulate pH value to alkalescence, after filtration, remove and CO
3 -2harmful cation of precipitation, when step (8) regulates pH value to neutrality, easily removes CO
3 -2; In step (8), heating is boiled, and makes protein inactivation, after livestock diet, can improve digestibility; In step (6), add and produce enzyme nitrifier, it is edible nitrifier, both can remove the harmful bacteria in potato starch wastewater, the nutritive value of the liquid that also can have additional nutrients.
The specific embodiment
Below in conjunction with the specific embodiment, further illustrate preparation technology of the present invention.
Embodiment 1
Use nutrient solution collocation feed of the present invention to feed pigs.First, the preparation method of feed nutrition liquid is described:
(1) precipitation and filtration, first standing in sedimentation basin by potato waste water, then filter by screen centrifuge, collects gained liquid; (2) adding acid for adjusting pH value, is below 2 to adding tartaic acid reagent to regulate pH in the waste water through step (1) precipitation, after filtering; (3) precipitation and filtration, will be standing in sedimentation basin through step (2) potato acid waste water, then filter by screen centrifuge, collect gained liquid; (4) add alkali and regulate pH value, in the waste water after step (3) precipitation, filtration, add Na
2cO
3it is 8 that alkaline reagent regulates pH; (5) precipitation and filtration, will be standing in sedimentation basin through step (4) potato alkaline waste water, then filter by screen centrifuge, collect gained liquid; (6) in the liquid of collecting to step (5), drop into and produce enzyme nitrifier, the amount of input is calculated according to the amount of adding a slice in 300ml liquid, and for producing the growth and breeding phase of enzyme nitrifier, incubation time is 3 hours subsequently; (7) step (6) product enzyme nitrifier is aerobic bacteria, produces competitive reaction with other bacteriums, makes other harmful bacterias dead due to anoxic, remove subsequently and produce enzyme nitrifier: the method for employing is high-temperature boiling; (8) with vinegar, regulate pH value to neutral the liquid boiling, then boil a period of time, can store stand-by, will be cooled to nutrient solution and the pig feed collocation of room temperature, its mixed proportion is: pig feed (kg): nutrient solution (L)=1:0.5, can feed pigs after batching stirs.
Embodiment 2
Use nutrient solution collocation feed of the present invention to feed ox, wherein, the preparation method of feed nutrition liquid is with example 1.
By stand-by nutrient solution and forage collocation, its mixed proportion is: forage (kg): nutrient solution (L)=1:0.2, can feed ox after batching stirs.
Embodiment 3
Use nutrient solution collocation feed of the present invention to feed chicken, wherein, the preparation method of feed nutrition liquid is with example 1.
By stand-by nutrient solution and forage collocation, its mixed proportion is: chicken feed (kg): nutrient solution (L)=1:0.3, can feed chicken after batching stirs.
Claims (5)
1. utilize potato starch wastewater to extract the technique of feed nutrition liquid, it is characterized in that: the step of utilizing potato starch wastewater to extract feed nutrition liquid comprises: (1) precipitation and filtration, first that potato waste water is standing in sedimentation basin, then filter by screen centrifuge, gained liquid collected; (2) adding acid for adjusting pH value, is below 2 to adding acid reagent to regulate pH in the waste water through step (1) precipitation, after filtering; (3) precipitation and filtration, will be standing in sedimentation basin through step (2) potato acid waste water, then filter by screen centrifuge, collect gained liquid; (4) adding alkali and regulate pH value, is 8 to adding alkaline reagent adjusting pH in the waste water after step (3) precipitation, filtration; (5) precipitation and filtration, will be standing in sedimentation basin through step (4) potato alkaline waste water, then filter by screen centrifuge, collect gained liquid; (6) in the liquid of collecting to step (5), drop into and produce enzyme nitrifier, the amount of input is calculated according to the amount of adding a slice in 300ml liquid, and for producing the growth and breeding phase of enzyme nitrifier, incubation time is 3 hours subsequently; (7) step (6) product enzyme nitrifier is aerobic bacteria, produces competitive reaction with other bacteriums, makes other harmful bacterias dead due to anoxic, removes subsequently and produces enzyme nitrifier; (8) liquid boiling is extremely neutral with weak acid for adjusting pH value, then boil a period of time, can store.
2. the technique of utilizing potato starch wastewater to extract feed nutrition liquid as claimed in claim 1, is characterized in that: step (2) sour reagent used is tartaric acid.
3. the technique of utilizing potato starch wastewater to extract feed nutrition liquid as claimed in claim 1, is characterized in that: step (4) alkaline reagent used is Na
2cO
3.
4. the technique of utilizing potato starch wastewater to extract feed nutrition liquid as claimed in claim 1, is characterized in that: the method that step (7) is removed the employing of product enzyme nitrifier is high-temperature boiling.
5. the technique of utilizing potato starch wastewater to extract feed nutrition liquid as claimed in claim 1, is characterized in that: step (8) regulates pH to neutral, and the reagent of employing is watery hydrochloric acid, and its concentration is 2molL
-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524305.8A CN103598401A (en) | 2013-10-29 | 2013-10-29 | Process for extracting feed nutrition liquid by utilizing potato starch wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310524305.8A CN103598401A (en) | 2013-10-29 | 2013-10-29 | Process for extracting feed nutrition liquid by utilizing potato starch wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN103598401A true CN103598401A (en) | 2014-02-26 |
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ID=50116715
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|---|---|---|---|
| CN201310524305.8A Pending CN103598401A (en) | 2013-10-29 | 2013-10-29 | Process for extracting feed nutrition liquid by utilizing potato starch wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186362A (en) * | 2016-08-28 | 2016-12-07 | 铜仁市万山区盛和矿业有限责任公司 | A kind of environment-friendly type water purification agent |
-
2013
- 2013-10-29 CN CN201310524305.8A patent/CN103598401A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186362A (en) * | 2016-08-28 | 2016-12-07 | 铜仁市万山区盛和矿业有限责任公司 | A kind of environment-friendly type water purification agent |
| CN106186362B (en) * | 2016-08-28 | 2019-04-16 | 铜仁市万山区盛和矿业有限责任公司 | A kind of environment-friendly type water purification agent |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140226 |