CN114853528A - Method for producing foliar fertilizer containing organic matters by using corn soaking solution - Google Patents
Method for producing foliar fertilizer containing organic matters by using corn soaking solution Download PDFInfo
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- CN114853528A CN114853528A CN202210232363.2A CN202210232363A CN114853528A CN 114853528 A CN114853528 A CN 114853528A CN 202210232363 A CN202210232363 A CN 202210232363A CN 114853528 A CN114853528 A CN 114853528A
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- China
- Prior art keywords
- corn soaking
- soaking solution
- corn
- centrifugate
- adjusting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/60—Biocides or preservatives, e.g. disinfectants, pesticides or herbicides; Pest repellants or attractants
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
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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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Plant Pathology (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a method for producing foliar fertilizer containing organic matters by using corn soaking solution, which comprises the steps of adjusting the concentration of the corn soaking solution, and adjusting the concentration of the corn soaking solution to 20-40% by adding deionized water and distilled water or an evaporator; dropwise adding 20% concentration liquid caustic soda into the corn soaking solution, and adjusting the pH to 7.0-9.5; controlling the temperature of the corn soaking liquid to 10-40 ℃; standing the corn soaking solution for 20-50 minutes; centrifuging the corn soaking solution by using a horizontal decanter centrifuge to obtain protein and centrifugate; drying the protein to obtain corn soaking liquid composite protein powder; adjusting the pH of the centrifugate to 4.0-5.5 by using hydrochloric acid; adding a metal compound into the centrifugate after the pH value is adjusted, and uniformly mixing; and filling the centrifugate to obtain the foliar fertilizer containing the organic matters. The method can comprehensively utilize all the corn soaking liquid, has simple process and short operation flow, does not generate wastewater, can really solve the problem of difficult wastewater treatment of enterprises, and brings great benefits to the enterprises.
Description
Technical Field
The invention relates to the field of foliar fertilizers, in particular to a method for producing an organic foliar fertilizer by using corn soaking liquid.
Background
The corn starch produced by the wet method contains components such as protein, amino acid, ash and lactic acid, the corn soaking liquid is difficult to treat, and the corn starch is discharged as waste water or simply concentrated for sale by general enterprises without using the value of the corn soaking liquid. The corn soaking liquid is currently utilized as follows: protein and phytin are extracted, feed yeast is produced, and the like, and the modes can enable the corn soaking solution to generate partial utilization value, but no matter the protein is extracted or the yeast is produced by fermentation, a large amount of waste water can be generated after the processes are carried out, enterprises cannot process the waste water, and the problem of comprehensive utilization of the corn soaking solution is not really solved; therefore, the method for producing the foliar fertilizer containing the organic matters by using the corn soaking solution is provided.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for producing a foliar fertilizer containing organic matters by using a corn soaking solution so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for producing foliar fertilizer containing organic matters by using corn soaking solution comprises the following specific steps:
s1, adjusting the concentration of the corn soaking solution, and adjusting the concentration of the corn soaking solution to 20-40% by adding deionized water and distilled water or by an evaporator;
s2, dropwise adding 20% concentration caustic soda liquid into the corn soaking liquid in the S1, and adjusting the pH value to 7.0-9.5;
s3, controlling the temperature of the corn steep liquor in the S2 to be 10-40 ℃;
s4, standing the corn soaking solution in the S3 for 20-50 minutes;
s5, centrifuging the corn soaking solution in the S4 by using a horizontal decanter centrifuge, and centrifuging to obtain protein and a centrifugate;
drying the proteins in the S6 and S5 to obtain corn soaking liquid compound protein powder;
s7, adjusting the pH of the centrifugate in the S5 to 4.0-5.5 by using hydrochloric acid;
s8, adding a metal compound into the centrifugate after the pH is adjusted, and uniformly mixing;
and S9, filling the centrifugate in the S8 to obtain the foliar fertilizer containing the organic matters.
As a preferred embodiment of the present invention, the metal compound in S8 includes, but is not limited to: diborane, borax, sodium spraying acid and boric acid; zinc chloride, zinc sulfate; oxides, hydroxides, manganese salts of manganese; ferric oxide, ferroferric oxide, ferric hydroxide, ferrous hydroxide, ferric chloride and ferrous chloride; cuprous chloride, cupric sulfate hydrate, cupric sulfate pentahydrate; molybdenum trioxide, molybdenum trichloride, molybdenum pentachloride and molybdenum trisulfide.
The invention has the beneficial effects that: according to the invention, by utilizing the characteristics of the corn soaking solution, through researching the isoelectric point of the corn soaking solution, under the proper isoelectric point, the protein in the corn soaking solution is precipitated, the protein in the corn soaking solution is extracted by using a centrifugal method, the components of the supernatant are researched, and the centrifuged supernatant meets the requirement of organic foliar fertilizer by adding several kinds of auxiliary agents, and is directly used for producing the organic foliar fertilizer, so that the corn soaking solution is completely utilized, no wastewater is generated, and the defects in the prior art are overcome;
the method can comprehensively utilize all the corn soaking liquid, has simple process and short operation flow, does not generate wastewater, can really solve the problem of difficult wastewater treatment of enterprises, and brings great benefits to the enterprises.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the present invention more comprehensible and clear for those skilled in the art, and thus define the scope of the present invention more clearly.
Example (b): referring to fig. 1, the present invention provides a technical solution: a method for producing foliar fertilizer containing organic matters by using corn soaking solution comprises the following specific steps:
s1, adjusting the concentration of the corn soaking solution, and adjusting the concentration of the corn soaking solution to 20-40% by adding deionized water and distilled water or by an evaporator;
s2, dropwise adding 20% concentration caustic soda liquid into the corn soaking liquid in the S1, and adjusting the pH value to 7.0-9.5;
s3, controlling the temperature of the corn steep liquor in the S2 to be 10-40 ℃;
s4, standing the corn soaking solution in the S3 for 20-50 minutes;
s5, centrifuging the corn soaking solution in the S4 by using a horizontal decanter centrifuge, and centrifuging to obtain protein and a centrifugate;
drying the proteins in the S6 and S5 to obtain corn soaking liquid compound protein powder;
s7, adjusting the pH of the centrifugate in the S5 to 4.0-5.5 by using hydrochloric acid;
s8, adding metal compounds to the centrifugate after pH adjustment, and uniformly mixing, wherein the metal compounds include but are not limited to: diborane, borax, sodium spraying acid and boric acid; zinc chloride, zinc sulfate; oxides, hydroxides, manganese salts of manganese; ferric oxide, ferroferric oxide, ferric hydroxide, ferrous hydroxide, ferric chloride and ferrous chloride; cuprous chloride, cupric sulfate hydrate, cupric sulfate pentahydrate; molybdenum trioxide, molybdenum trichloride, molybdenum pentachloride, molybdenum trisulfide;
and S9, filling the centrifugate in the S8 to obtain the foliar fertilizer containing the organic matters.
According to the invention, by utilizing the characteristics of the corn soaking solution, through researching the isoelectric point of the corn soaking solution, under the proper isoelectric point, the protein in the corn soaking solution is precipitated, the protein in the corn soaking solution is extracted by using a centrifugal method, the components of the supernatant are researched, and the centrifuged supernatant meets the requirement of organic foliar fertilizer by adding several kinds of auxiliary agents, and is directly used for producing the organic foliar fertilizer, so that the corn soaking solution is completely utilized, no wastewater is generated, and the defects in the prior art are overcome;
the method can comprehensively utilize all the corn soaking liquid, has simple process and short operation flow, does not generate wastewater, can really solve the problem of difficult wastewater treatment of enterprises, and brings great benefits to the enterprises.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (2)
1. A method for producing foliar fertilizer containing organic matters by using corn soaking liquid is characterized by comprising the following steps: the method comprises the following specific steps:
s1, adjusting the concentration of the corn soaking solution, and adjusting the concentration of the corn soaking solution to 20-40% by adding deionized water and distilled water or by an evaporator;
s2, dropwise adding 20% concentration caustic soda liquid into the corn soaking liquid in the S1, and adjusting the pH value to 7.0-9.5;
s3, controlling the temperature of the corn steep liquor in the S2 to be 10-40 ℃;
s4, standing the corn soaking solution in the S3 for 20-50 minutes;
s5, centrifuging the corn soaking solution in the S4 by using a horizontal decanter centrifuge, and centrifuging to obtain protein and a centrifugate;
drying the proteins in the S6 and S5 to obtain corn soaking liquid compound protein powder;
s7, adjusting the pH of the centrifugate in the S5 to 4.0-5.5 by using hydrochloric acid;
s8, adding a metal compound into the centrifugate after the pH is adjusted, and uniformly mixing;
and S9, filling the centrifugate in the S8 to obtain the foliar fertilizer containing the organic matters.
2. The method for producing the foliar fertilizer containing the organic matter by using the corn steep liquor as claimed in claim 1, wherein the method comprises the following steps: the metal compounds in S8 include, but are not limited to: diborane, borax, sodium spraying acid and boric acid; zinc chloride, zinc sulfate; oxides, hydroxides, manganese salts of manganese; ferric oxide, ferroferric oxide, ferric hydroxide, ferrous hydroxide, ferric chloride and ferrous chloride; cuprous chloride, cupric sulfate hydrate, cupric sulfate pentahydrate; molybdenum trioxide, molybdenum trichloride, molybdenum pentachloride and molybdenum trisulfide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232363.2A CN114853528A (en) | 2022-03-07 | 2022-03-07 | Method for producing foliar fertilizer containing organic matters by using corn soaking solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210232363.2A CN114853528A (en) | 2022-03-07 | 2022-03-07 | Method for producing foliar fertilizer containing organic matters by using corn soaking solution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114853528A true CN114853528A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210232363.2A Pending CN114853528A (en) | 2022-03-07 | 2022-03-07 | Method for producing foliar fertilizer containing organic matters by using corn soaking solution |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121926A (en) * | 1994-10-22 | 1996-05-08 | 王崴 | Process for extraction of plant protein and use thereof |
| US20120011910A1 (en) * | 2010-07-13 | 2012-01-19 | Daniels Ralph S | Organic fertilizer |
| CN102898195A (en) * | 2012-10-31 | 2013-01-30 | 山东中谷淀粉糖有限公司 | Method for preparing biological fertilizers from corn soaking liquid |
| CN107353063A (en) * | 2017-07-28 | 2017-11-17 | 山东省食品发酵工业研究设计院 | The method that biological compound liquid fertilizer is prepared using corn steep liquor |
| CN111606756A (en) * | 2020-06-29 | 2020-09-01 | 黄河三角洲京博化工研究院有限公司 | Method for producing liquid fertilizer by using corn steep liquor |
-
2022
- 2022-03-07 CN CN202210232363.2A patent/CN114853528A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121926A (en) * | 1994-10-22 | 1996-05-08 | 王崴 | Process for extraction of plant protein and use thereof |
| US20120011910A1 (en) * | 2010-07-13 | 2012-01-19 | Daniels Ralph S | Organic fertilizer |
| CN102898195A (en) * | 2012-10-31 | 2013-01-30 | 山东中谷淀粉糖有限公司 | Method for preparing biological fertilizers from corn soaking liquid |
| CN107353063A (en) * | 2017-07-28 | 2017-11-17 | 山东省食品发酵工业研究设计院 | The method that biological compound liquid fertilizer is prepared using corn steep liquor |
| CN111606756A (en) * | 2020-06-29 | 2020-09-01 | 黄河三角洲京博化工研究院有限公司 | Method for producing liquid fertilizer by using corn steep liquor |
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