CN103553739B - Production method for liquid organic fertilizer by using starch wastewater - Google Patents
Production method for liquid organic fertilizer by using starch wastewater Download PDFInfo
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- CN103553739B CN103553739B CN201310468266.4A CN201310468266A CN103553739B CN 103553739 B CN103553739 B CN 103553739B CN 201310468266 A CN201310468266 A CN 201310468266A CN 103553739 B CN103553739 B CN 103553739B
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- wastewater
- organic fertilizer
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- starch
- fermentation
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention provides a production method for a liquid organic fertilizer by using starch wastewater. The method comprises the following steps: step 1, filtering wastewater discharged during production of corn starch or wheat starch to remove foreign materials and adding the wastewater having undergone filtration into an enclosed container; step 2, inoculating a starter accounting for 5 to 10% of the weight of the wastewater for anaerobic fermentation, wherein the starter is prepared from lactobacillus acidophilus and saccharomyces cerevisiae in a weight ratio of 1: 1, fermentation temperature is 30 to 35 DEG C, and fermentation is completed when the pH value of fermentation broth decreases to less than 3.5 according to detection results; and step 3, adding 3 to 5 wt% of ferrous sulphate into the fermentation broth. The method provided by the invention can both effectively mitigate pollution of the wastewater to the environment and realize utilization of the waste, and the prepared liquid organic fertilizer has the advantages of small investment, simple process, substantial fertilizer efficiency, low production cost, remarkable competitive advantages and great market potential.
Description
Technical field
The present invention relates to a kind of production method of agricultural fertilizer, be specifically related to a kind of method utilizing starch wastewater to produce liquid organic fertilizer.
Background technology
Wheat starch and W-Gum extensively use in industrial production and daily life, but a large amount of waste water can be produced in its production process, containing organic constituents such as a certain amount of starch, piperylene, protein in waste water, direct discharge can cause serious environmental pollution.The treatment process of current starch wastewater all adopts the treatment process of sanitary sewage, i.e. activated sludge process, can discharge after COD is up to standard.The research of utilization of starch wastewater is a lot, and as utilized starch wastewater to produce biogas, because natural pond liquid cannot effectively utilize and process, the treatment process of this maturation is also gradually abandoned.Utilize starch wastewater to produce microbial flocculant, single cell protein, pulullan polysaccharide, microbial pesticide etc. in addition, because complex process, the reasons such as product cost is high also cannot be implemented.
Summary of the invention
The technical problem that the present invention solves: a kind of method utilizing starch wastewater to produce liquid organic fertilizer is provided, overcome the defect of above-mentioned prior art, effectively can alleviate the pollution of waste water to environment, can realize utilization of waste material again, and invest little, technique is simple, fertilizer efficiency is remarkable, production cost is low, and competitive edge is strong, and market potential is large.
The present invention is achieved through the following technical solutions:
Step 1: are added in encloses container after the waste water filtering foreign material that production W-Gum or wheat starch are discharged;
Step 2: carry out anaerobically fermenting by the 5-10% inoculating starter adding waste water weight, it is formulated that described starter presses 1:1 weight ratio by Lactobacterium acidophilum, yeast saccharomyces cerevisiae, leavening temperature 30-35 DEG C, when detecting fermented liquid pH and dropping to below 3.5, fermenting process completes;
Step 3: press 3-5% weight ratio and add ferrous sulfate in above-mentioned fermented liquid.
The discharge of wastewater time used in described step 1 is no more than 2 hours.
The stainless steel mesh filtering foreign material using sieve aperture to be 2-3mm in described step 1.
The advantage that the present invention has and effect:
1, the present invention is by starch wastewater through the metabolism of microorganism and conversion, finally becomes the liquid microbe fertilizer being rich in beneficial microbe colony and multiple secondary metabolite.
2, the liquid organic fertilizer containing milk-acid bacteria, organic acid (based on lactic acid), ferrous sulfate of the present invention's production, can Promoting plant growth, regulating plant rhizosphere PH, promote the release of soil phosphorus, potassium, calcium and various trace elements, have additional nutrients the validity of element, directly can also supplement highly active ferro element.
3, the present invention effectively can alleviate the pollution of waste water to environment, can realize utilization of waste material again, and invest little, and technique is simple, and production cost is low, and market potential is large, has competitive edge.
Embodiment
Step 1: be added in encloses container after the waste water producing W-Gum or wheat starch discharge is used the stainless steel mesh filtering foreign material that sieve aperture is 2-3mm;
Step 2: carry out anaerobically fermenting by 8% inoculating starter adding waste water weight, it is formulated that described starter presses 1:1 weight ratio by Lactobacterium acidophilum, yeast saccharomyces cerevisiae, leavening temperature 30-35 DEG C, when detecting fermented liquid pH and dropping to below 3.5, fermenting process completes;
Step 3: add ferrous sulfate by 4% weight ratio in above-mentioned fermented liquid.
The discharge of wastewater time used in described step 1 is no more than 2 hours.Because it is too many that the starch wastewater more than more than 2 hours grows miscellaneous bacteria quantity, can not use as fermentation raw material.
The organic fertilizer of above-mentioned explained hereafter has following effect and feature:
1, physicochemical property: light brown liquid, has acidic smell, below pH3.5.Main component is milk-acid bacteria, organic acid (based on lactic acid) and ferrous sulfate.
2, primary efficacy:
1) Promoting plant growth: the structure of lactic acid similar plants Endogenous auxin (indolylacetic acid) and effect, milk-acid bacteria is beneficial microbe colony in soil, lactic acid and milk-acid bacteria foliage-spray, filling root, have and promote plant stem-leaf tissue growth, promote the effect of root system development.
2) regulating plant rhizosphere PH, promotes the release of soil phosphorus, potassium, calcium and various trace elements, the validity of the element that has additional nutrients.
3) directly highly active ferro element is supplemented.
3, effect: the soil in NORTHWEST CHINA area mostly is calcareous soil, and soil pH is higher, the fruit trees such as plantation peach, Kiwifruit, apple, the normal fruit tree yellowing disease occurred because iron deficiency, scarce zinc bring out.Current production mainly adopts foliage-spray, method that soil executes ferrous sulfate prevents and treats, but effect is all undesirable.The organic fertilizer that the present invention produces, containing highly active ferrous ion, foliage-spray effectively can supplement ferro element, and filling with root can improve rhizosphere environment.Make a large amount of field test in Mei County, Shaanxi Province, Pucheng County, Liquan County etc. at present.Test-results shows, the organic fertilizer that the present invention produces has significant prevention effect to the yellows of the multiple fruit trees such as Kiwifruit, apple, crisp pears, grape, little leaf disease.
The present invention is wide market compared with prior art, the EM microbial inoculum that current agricultural materials market is sold, in fact be exactly lactic acid bacteria formulation, be that raw material is produced by anaerobically fermenting with edible sugar, 20 yuan/kilogram, market price, and 2 yuan/kilogram, the market price of the organic fertilizer that the present invention utilizes starch wastewater to produce, and lactic acid content is higher than the former, commercially has competitive power.
Above-described embodiment, just preferred embodiment of the present invention, is not used for limiting the scope of the present invention, therefore all equivalent variations done with content described in the claims in the present invention, all should be included within the claims in the present invention scope.
Claims (3)
1. utilize starch wastewater to produce a method for liquid organic fertilizer, it is characterized in that comprising the steps:
Step 1: are added in encloses container after the waste water filtering foreign material that production W-Gum or wheat starch are discharged;
Step 2: carry out anaerobically fermenting by the 5-10% inoculating starter adding waste water weight, it is formulated that described starter presses 1:1 weight ratio by Lactobacterium acidophilum, yeast saccharomyces cerevisiae, leavening temperature 30-35 DEG C, when detecting fermented liquid pH and dropping to below 3.5, fermenting process completes;
Step 3: press 3-5% weight ratio and add ferrous sulfate in above-mentioned fermented liquid.
2., according to the method utilizing starch wastewater to produce liquid organic fertilizer according to claim 1, it is characterized in that: the discharge of wastewater time used in described step 1 is no more than 2 hours.
3. produce the method for liquid organic fertilizer according to the starch wastewater that utilizes described in claim 1 or 2, it is characterized in that: the stainless steel mesh filtering foreign material using sieve aperture to be 2-3mm in described step 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310468266.4A CN103553739B (en) | 2013-09-30 | 2013-09-30 | Production method for liquid organic fertilizer by using starch wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310468266.4A CN103553739B (en) | 2013-09-30 | 2013-09-30 | Production method for liquid organic fertilizer by using starch wastewater |
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| CN103553739A CN103553739A (en) | 2014-02-05 |
| CN103553739B true CN103553739B (en) | 2015-06-10 |
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| CN201310468266.4A Expired - Fee Related CN103553739B (en) | 2013-09-30 | 2013-09-30 | Production method for liquid organic fertilizer by using starch wastewater |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107235801A (en) * | 2017-06-26 | 2017-10-10 | 内蒙古蒙森农业科技股份有限公司 | Potato starch wastewater liquid composite fertilizer |
| CN109380373A (en) * | 2017-08-08 | 2019-02-26 | 贵州美人芋农业发展有限公司 | A method of green ecological non-poisonous pesticides are extracted using banana dasheen waste water |
| CN107673930A (en) * | 2017-11-09 | 2018-02-09 | 山东壹号桌食品股份有限公司 | It is a kind of using yellow seriflux as Liquid Fertilizer of raw material and preparation method thereof |
| CN108329059A (en) * | 2018-02-01 | 2018-07-27 | 鲁东大学 | A kind of soak water of maize and its application |
| CN110452052A (en) * | 2019-08-31 | 2019-11-15 | 新疆生产建设兵团第二师农业科学研究所 | A kind of control method of pear tree yellows |
| CN111056877B (en) * | 2019-12-30 | 2022-04-05 | 湖北田头生物科技有限公司 | Biological liquid fertilizer and preparation method thereof |
| CN111575203A (en) * | 2020-05-18 | 2020-08-25 | 上海净业农业科技发展有限公司 | Agricultural compound microbial agent and preparation method thereof |
| CN113480367A (en) * | 2021-08-23 | 2021-10-08 | 王荣娃 | Acetobacter plant supplement and preparation method and application thereof |
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