CN102898195B - Method for preparing biological fertilizers from corn soaking liquid - Google Patents

Method for preparing biological fertilizers from corn soaking liquid Download PDF

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Publication number
CN102898195B
CN102898195B CN201210426241.3A CN201210426241A CN102898195B CN 102898195 B CN102898195 B CN 102898195B CN 201210426241 A CN201210426241 A CN 201210426241A CN 102898195 B CN102898195 B CN 102898195B
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China
Prior art keywords
fermentation
corn steep
steep liquor
soaking liquid
fertilizer
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CN201210426241.3A
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CN102898195A (en
Inventor
曹永兴
梁伟
李宁
周焕霞
张素丽
李霞
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SHANDONG ZHONGGU STARCH SUGAR CO Ltd
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SHANDONG ZHONGGU STARCH SUGAR CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/40Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse

Abstract

The invention relates to the field of agricultural and sideline product deep processing and particularly discloses a method for preparing biological fertilizers from corn soaking liquid. The method uses the corn soaking liquid as raw materials and is characterized in that the corn soaking liquid is concentrated, then, filter mud and alkali liquor are added for neutralization, the pH is regulated to 5 to 6, the corn soaking liquid is thrown into a mixed pre-fermentation device, crushed protein cake, filter mud and fiber slag are added into the fermentation device, and the pre-fermentation is carried out after the full mixing; then, an anaerobic fermentation device is adopted, biological species are added, and the fermentation is carried out again at 28 to 30 DEG C; and fermented products are added with ingredients, then, the drying, the granulation, the cooling and the screening are carried out, and then, products are obtained. The method has the advantages the environment pollution and the environment protection pressure are lightened, the corn soaking liquid and the filter mud of sugar refineries are effectively treated, new products are also developed, the nutrition and irrigation requirements of local farmers are met, and the effect of getting two results from one effort is reached.

Description

Utilize corn steep liquor to make the method for bio-fertilizer
(1) technical field
The present invention relates to processing of agriculture product field, particularly a kind of method of utilizing corn steep liquor to make bio-fertilizer.
(2) background technology
The volume increase of current agricultural generally relies on chemical fertilizer, can cause environmental pollution on the one hand, and in fact Rural Plane Source Pollution is quite serious at present, becomes a thorny difficult problem, also can affect on the other hand the quality of agricultural-food.When using cost, must improve the usage ratio of fertilizer, use bio-feritlizer, can increase production, can improve again quality, play the effect of preserving the ecological environment, and can extensively utilize town and country organic waste.Nearly ten years; many R&D institutions and relevant department's multiple organic waste treatment of cooperative development development utilize equipment and facilities; played a role in various degree at that time, but had limitation, far can not meet the agricultural sustainable development requirement of current environment protection and resource reutilization industrialization.
The corn deep processing great majority of China adopt wet process technique, corn soaking output of fluid is large, difficult treatment, domestic and international starch and β-amylose processing industry problem demanding prompt solution, Zeng You business unit extracts luxuriant and rich with fragrance tincture, inositol, zeaxanthin etc. with it, but industrial scale is less, and technique is immature, production cost is higher, and utilization ratio is low.In corn steep liquor, contain the solid substance of 140 ~ 160g/L, in dry solid substance, approximately contain 40% crude protein, 1 ~ 2% reducing sugar, strong amino acid, hemicellulose, colloid, phytic acid, abundant VITAMIN and trace element etc.These compositions are all good growth of animal nutritional factor except phytic acid, are the good nutrition carriers that is applicable to fermentation.In recent years two, yellow corn steep liquor slurry is fermented, make bio-fertilizer field in conjunction with processings such as organic plant ash, inorganic carbonate calcium and obtained very much progress, comprise and set up liquid biological fertilizer, directly exempt dry and packing, in economic radiation radius, directly irrigate, both effectively improved plant growth, the accumulation and the processing pressure that have solved again enterprise's solid liquid waste, form good Mode of Circular.
In sugar manufacturing process, filter mud is one of large byproduct of sugaring.Large several ten million tons of annual filter mud output, is difficult to process, and piles up and takes up an area, and has wasted huge land resources.Sugaring is to utilize raw sugar processing to purify to produce white sugar etc., the moisture of carbonatation process filter mud and organic nutriment do not reach the standard of bio-fertilizer, this just brings great difficulty for consuming in a large number filter muds, the domestic and international also method of comparatively imperfect this kind of filter mud of disposal and utilization at present.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, and the corn steep liquor that utilizes that provide a kind of science environmental protection, reduces costs is made the method for biological process.
The present invention is achieved through the following technical solutions:
A kind of method of utilizing corn steep liquor to make bio-fertilizer, take corn steep liquor as raw material, it is characterized in that: after corn steep liquor is concentrated, add filter mud and alkali lye neutralization, adjusting pH value is 5 ~ 6, rendered to and mixed in pre-fermentation unit, in fermentation unit, add the meringue, filter mud and the fibrous residue that crush, pre-fermentation after fully mixing; Then adopt anaerobic ferment devices, add 1 ‰ active dry yeast biological inoculums, fermentation again at 28 ~ 30 ℃; Product after fermentation obtains product after adding batching after oven dry, granulation, cooling, screening.
By the research to corn steep liquor, find that its organic composition is very abundant, the materials such as rich in proteins, amino acid, organic acid, starch, soluble sugar, it is the natural nutrition base that microorganism is fermented good, in conjunction with filter mud of sugar refinery, both can antacid corn steep liquor, electrodeless calcium salt can be provided again, can also serve as the solid carrier of microorganism fermentation, utilize synthesization technological development route, effectively break through limitation and the constraint of conventional process mode, be transformed into bio-fertilizer, meet the crop alimentary fertilising in periphery farmland.
More excellent scheme of the present invention is:
After the collecting methane producing in described anaerobic ferment devices fermenting process, enter through water-sealed tank, spark arrester the methane boiler that connects fermentation unit, drying installation and prilling granulator, for said units device provides heat.
Described batching is one or more in straw, stalk, plant ash and the fibrous residue after pulverizing, and according to different soils situation and Different Crop, adds various batchings, makes to contain in fertilizer the various plants required nutritive element of growing.
Described alkali lye is salt of wormwood or ammoniacal liquor.
The present invention adds meringue in corn steep liquor, increase protein quality, made tropina, animals and plants indispensable amino acid as the ratio of Methionin, methionine(Met), Threonine improves, greatly improved the organotrophy composition of fertilizer, some can directly absorb for crop, strengthens fertilizer efficiency.
The present invention has effectively utilized the solid-state rubbish and the pollutent that in enterprise production process, produce, and waste is utilized again, turns waste into wealth; Thoroughly solved the problem of environmental pollution of corn steep liquor, although a large amount of corn steep liquors contains abundant nutritive substance, unprocessed direct discharge can cause serious environmental pollution.
The present invention has certain economic benefit, utilizes corn steep liquor to produce bio-fertilizer, has improved the quality of protein, with the fertile comparision of production of traditional biological, has saved brewing water, and production cost reduces, and economic benefit and social benefit are considerable; And end-use is extensive, be widely used in all kinds of soil properties and various crop, comprise the cultivation of various booth vegetables, fruits and vegetables, economic class crop, food crop and medicinal material, flowers, lawn, nursery stock etc.
The present invention had both alleviated environmental pollution and environmental protection pressure, corn steep liquor and filter mud of sugar refinery are effectively processed, develop new product again and meet nutrition and the irrigation of local peasant household, kill two birds with one stone,, environmental disruption day by day exhausted in resource serious today, efficient comprehensive cyclic utilization corn steep liquor, develop to greatest extent its function and added value, reduce costs and alleviate environmental pollution by the aim and the effective way that are recycling economy, for driving agricultural development, the immeasurable social benefit of having made the rural economy flourish.
(4) embodiment
Embodiment:
Take corn steep liquor as raw material, after being concentrated to one times, corn steep liquor magma adds filter mud and alkali lye neutralization, adjusting pH value is 5 ~ 6, rendered to and mixed in pre-fermentation unit, in fermentation unit, add the meringue, filter mud and the fibrous residue that crush, make solid content be controlled at 5 ~ 10%, pre-fermentation after fully mixing; Then adopt anaerobic ferment devices, add 1 ‰ active dry yeast biological inoculums, fermentation again at 30 ℃; Product after fermentation obtains product after adding batching after oven dry, granulation, cooling, screening; After the collecting methane producing in described anaerobic ferment devices fermenting process, enter through water-sealed tank, spark arrester the methane boiler that connects fermentation unit, drying installation and prilling granulator; Described batching is one or more in straw, stalk, plant ash and the fibrous residue after pulverizing; Described alkali lye is salt of wormwood or ammoniacal liquor.
The method is made bio-fertilizer, and corn steep liquor quantity discharged greatly reduces, and has consumed filter mud of sugar refinery, has solved the pollution of solid liquid waste, has saved environmental protection treatment fund 5,000,000/year.
Carry out contrast test of fertilizer efficiency according to Different Crop, comprise that corn, wheat, tobacco isotype plant carry out the manure trial of seedling stage, florescence and fructescence.Contrast of seedling stage result shows, does not affect the normal growth state of crop, and the blank raising 5% of apply fertilizer of its speed of growth; Biomass increases approximately 10% compared with blank; The thousand seed weight of fruit dry weight and cereal crop increases by 12% compared with blank.This kind of bio-fertilizer is suitable compared with conventional fertilizers fertilizer efficiency.
Applying this kind of biological organic fertilizer can culture fertility, reduce fertilizer amount, reduce nitrate content in the product of rural area, purify crop growth environment, improve agricultural product quality, conscientiously solve the agricultural-food objectionable impurities problem that exceeds standard, make agricultural-food become real green food, for agriculture Sustainable development creates conditions.

Claims (3)

1. a method of utilizing corn steep liquor to make bio-fertilizer, take corn steep liquor as raw material, it is characterized in that: after corn steep liquor is concentrated, add filter mud and alkali lye neutralization, adjusting pH value is 5 ~ 6, rendered to and mixed in pre-fermentation unit, in fermentation unit, add the meringue, filter mud and the fibrous residue that crush, pre-fermentation after fully mixing; Then adopt anaerobic ferment devices, add 1 ‰ active dry yeast biological inoculums, fermentation again at 28 ~ 30 ℃; Product after fermentation obtains product after adding batching after oven dry, granulation, cooling, screening; After the collecting methane producing in described anaerobic ferment devices fermenting process, enter through water-sealed tank, spark arrester the methane boiler that connects fermentation unit, drying installation and prilling granulator.
2. the method for utilizing corn steep liquor to make bio-fertilizer according to claim 1, is characterized in that: described batching is one or more in straw, stalk, plant ash and the fibrous residue after pulverizing.
3. the method for utilizing corn steep liquor to make bio-fertilizer according to claim 1, is characterized in that: described alkali lye is salt of wormwood or ammoniacal liquor.
CN201210426241.3A 2012-10-31 2012-10-31 Method for preparing biological fertilizers from corn soaking liquid Active CN102898195B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017180299A3 (en) * 2016-04-13 2018-07-26 True Organic Products, Inc. Ph adjusted organic fertilizer from anaerobic digestate and grain by-products
US11155504B1 (en) 2019-01-10 2021-10-26 True Organic Products, Inc. Combination fertilizer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103304283A (en) * 2013-06-08 2013-09-18 梧州市亿源肥业有限公司 Production method for organic fertilizer
CN105494978A (en) * 2015-12-21 2016-04-20 河南省新大牧业有限公司 Method for preparing fermented pig feed through corn soaking solution and fermented pig feed prepared through method
CN111732468A (en) * 2020-07-01 2020-10-02 上海农乐生物制品股份有限公司 Use of corn by-products in fecal treatment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU605032B2 (en) * 1989-03-31 1991-01-03 Carlton Andrew Burdett Fertiliser
CN1280239C (en) * 2003-12-01 2006-10-18 华中农业大学 Organic fertilizer composed of waste liquid and waste residue and decomposing leaven from sugar refinery and method for preparing the same
US8308838B2 (en) * 2010-07-13 2012-11-13 Daniels Agrosciences, Llc Organic fertilizer
CN102093126A (en) * 2010-12-03 2011-06-15 张新雄 Method for producing bio-fertilizer from waste organic matters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017180299A3 (en) * 2016-04-13 2018-07-26 True Organic Products, Inc. Ph adjusted organic fertilizer from anaerobic digestate and grain by-products
US10301226B2 (en) 2016-04-13 2019-05-28 True Organic Products, Inc. Ph adjusted organic fertilizer from anaerobic digestate and grain by-products
US11155504B1 (en) 2019-01-10 2021-10-26 True Organic Products, Inc. Combination fertilizer

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Denomination of invention: The method of making bio fertilizer with corn soaking solution

Effective date of registration: 20210308

Granted publication date: 20140604

Pledgee: Agricultural Bank of China Limited Leling City sub branch

Pledgor: SHANDONG ZHONGGU STARCH SUGAR Co.,Ltd.

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