CN101337849A - Method for producing potassium sulfate organic chelating liquid flushing fertilization by waste liquid of gourmet powder - Google Patents
Method for producing potassium sulfate organic chelating liquid flushing fertilization by waste liquid of gourmet powder Download PDFInfo
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- CN101337849A CN101337849A CNA2008101346637A CN200810134663A CN101337849A CN 101337849 A CN101337849 A CN 101337849A CN A2008101346637 A CNA2008101346637 A CN A2008101346637A CN 200810134663 A CN200810134663 A CN 200810134663A CN 101337849 A CN101337849 A CN 101337849A
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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
Abstract
The invention discloses a method for producing a chelated organic potassium sulfate liquid flush fertilizer by using monosodium glutamate wastewater, which comprises the following steps: (1) concentrating the monosodium glutamate wastewater; (2) mixing potassium chloride and sulfuric acid according to a molar ratio, introducing vapor, and reacting to obtain potassium bisulfate and hydrogen chloride gas; (3) mixing the concentrated solution 70 to 90% with the potassium bisulfate 10 to 30%; (4) carrying out a neutralization reaction of mixed acid and gaseous ammonia and controlling the neutralization degree at 1.1 to 1.3; and (5) adding trace element compounds including magnesium sulfate, zinc sulfate, borax, manganese sulfate and ferrous sulfate. The method can transform potassium chloride fertilizer into potassium sulfate fertilizer and fully utilize amino acids and organic matters in the monosodium glutamate to chelate with trace elements added therein such as magnesium, zinc, boron, iron and manganese. The fertilizer is a full-nutrition liquid fertilizer to overcome the disadvantages of potassium sulfate solid fertilizer that cannot produce high-nitrogen and high-potassium additional fertilizer, and is specifically suitable for drip irrigation.
Description
Technical field
The present invention relates to produce the method for agricultural fertilizer, exactly is to utilize monosodium glutamate waste liquid to produce the method that potassium sulfate organic chelating liquid dashes fertilising.
Background technology
The monosodium glutamate waste liquor is a kind of high concentrated organic wastewater, pollution to environment is very big, contain rich nutrient substances in the waste liquor, can fully utilize and produce feedstuff protein, Yeast Nucleic Acid, compoiste fertilizer, disinfectant use in agriculture and recovery nutrition etc., reach the double effects of administering and fully utilizing.
Literature search is the result show, domestic bibliographical information that utilizes monosodium glutamate waste liquid to produce composite organic-inorganic fertilizer of seeing more, as: " the compound organic and inorganic fertilizer and the production method thereof that the monosodium glutamate tail washings is produced " of Lianhua Chemical Co., Ltd., Henan, CN1288877,2001-03-28, be the same urea of making by monosodium glutamate waste liquid of dry powder, monoammonium phosphate, Repone K, the carbon ammonium, terra alba is made, its production method is to make dry powder earlier, dry powder is to add liquefied ammonia adjust pH to 5～5.5 with monosodium glutamate waste liquid, the reconcentration oven dry, dehydration forms, dry powder is mixed and evenly is a granulated into qualified particle with the proportioning raw material tablets press of packing into, the monosodium glutamate tail washings is effectively handled, had the double effects of organic and inorganic fertilizer; And for example: " a kind of pollution free organic fertilizer that utilizes monosodium glutamate waste liquid production and preparation method thereof " of Inst. of Soil ﹠ Fertilizer, Shandong Prov. Academy of Agricultural Sciences, CN101045657,2007-10-03, utilizing monosodium glutamate waste liquid, lignin by acid separation, weathered coal, monoammonium phosphate, Repone K, trace element etc. is raw material, pass through curing reaction, steps such as extruding granulation are produced organic fertilizer, product is the cylindrical particle form, and organic fertilizer contains trace elements such as the needed multiple amino acids of plant growth, humic acid, nitrogen, phosphorus, potassium and iron, zinc, magnesium, molybdenum, boron; And can produce owing to chelating (or complexing) reaction forms and contain easily by the amino-acid chelate of the trace element of plant absorbing, can be dissolved in water rapidly, greatly improved the organic fertilizer nutrient availability.But pertinent literature does not all relate to the research that potassium sulfate organic chelating liquid dashes fertilising.
Summary of the invention
At the deficiency that prior art exists, the present invention aims to provide a kind of monosodium glutamate waste liquid that utilizes and produces the method that potassium sulfate organic chelating liquid dashes fertilising.
The technical solution used in the present invention is:
A kind of monosodium glutamate waste liquid that utilizes is produced the method that potassium sulfate organic chelating liquid dashes fertilising, comprises following manufacture craft:
1. monosodium glutamate waste liquid is concentrated, solid content is concentrated into 30～40% by 8%, is referred to as concentrated solution;
2. with Repone K and 1: 1.05 in molar ratio batching of sulfuric acid, feed steam and react generation sal enixum and hydrogen chloride gas down at 120～130 ℃, the hydrogen chloride gas water absorbs into 31% technical hydrochloric acid;
3. with concentrated solution by 70～90%, sal enixum prepares burden by 10～30%, is referred to as nitration mixture;
4. nitration mixture and gas ammonia are carried out neutralization reaction, the control degree of neutralization is 1.1～1.3, and the material after the neutralization is referred to as feed liquid;
5. add trace compound in feed liquid, ratio is feed liquid 85～95%, sal epsom 1～5%, zinc sulfate 1～3%, borax 1～3%, manganous sulfate 1～2%, ferrous sulfate 1～3%, and this fertilizer is finished product high nitrogen and potassium type sequester liquids towards revolving fertilizer.
Further, the monosodium glutamate waste liquid solid content of described step in 1. is concentrated into 30% by 8%, the 2. middle temperature of reaction that generates sal enixum and hydrogen chloride gas of step is 120 ℃, the concentrated solution of step in 3. by 70%, sal enixum prepares burden by 30%, the degree of neutralization of step in 4. is 1.1, and the feed liquid of step in 5. accounts for 85%, sal epsom accounts for 5%, zinc sulfate accounts for 3%, borax accounts for 3%, manganous sulfate accounts for 2%, ferrous sulfate accounts for 2%.
Further, the monosodium glutamate waste liquid solid content of described step in 1. is concentrated into 35% by 8%, the 2. middle temperature of reaction that generates sal enixum and hydrogen chloride gas of step is 125 ℃, the concentrated solution of step in 3. by 80%, sal enixum prepares burden by 20%, the degree of neutralization of step in 4. is 1.2, and the feed liquid of step in 5. accounts for 90%, sal epsom accounts for 2%, zinc sulfate accounts for 2%, borax accounts for 2%, manganous sulfate accounts for 1%, ferrous sulfate accounts for 3%.
Further, the monosodium glutamate waste liquid solid content of described step in 1. is concentrated into 40% by 8%, the 2. middle temperature of reaction that generates sal enixum and hydrogen chloride gas of step is 130 ℃, the concentrated solution of step in 3. by 90%, sal enixum prepares burden by 10%, the degree of neutralization of step in 4. is 1.3, and the feed liquid of step in 5. accounts for 95%, sal epsom accounts for 1%, zinc sulfate accounts for 1%, borax accounts for 1%, manganous sulfate accounts for 1%, ferrous sulfate accounts for 1%.
Further, in fertilising, add potassium primary phosphate production nitrogen phosphorus potassium ternary sequester liquids again in above-mentioned high nitrogen and potassium type sequester liquids towards fertilising.
The present invention changes into potassium sulphate fertilizer with potassium chloride fertilizer, make full use of amino acid in the monosodium glutamate waste liquid, organic matter simultaneously, chelating add trace element in wherein magnesium, zinc, boron, iron, the manganese etc., produce the potassium sulfate type sequester liquids and dash fertilising, it is a kind of liquid fertilizer of all nutrition type, this fertilizer has remedied the vitriolate of tartar solid fertilizer can not produce the defective that the high nitrogen and potassium type topdresses, and suitable especially drip irrigation special fertilizer has following beneficial effect:
(1) in the monosodium glutamate concentrated solution, adds the Repone K and the vitriol oil and react the sal enixum that generates down at 20 ℃, feeding gas ammonia then carries out neutralization reaction and forms uniform liquid, Repone K is changed into vitriolate of tartar, solved the difficult problem that solid potash fertilizer is insoluble in monosodium glutamate waste liquid simultaneously;
(2) in above-mentioned feed liquid, add trace element fertilizer in zinc sulfate, borax, ferrous sulfate, manganous sulfate, the sal epsom etc., make tens seed amino acids that are present in the monosodium glutamate waste liquid and ammonium radical ion and the sal epsom that is added, zinc sulfate, borax, ferrous sulfate, manganous sulfate generation chelatropic reaction and form and contain easily by the amino-acid chelate of the above-mentioned trace element of plant absorbing;
(3) through above-mentioned two procedures produce contain multiple in, trace element, organic, amino acid whose high nitrogen and potassium sequester liquids dash fertilising, this liquid fertilizer has solved the difficult problem that high nitrogen, high potash fertilizer can't spray granulating be produced particle fertilizer, nitrogen content can reach 150g/L in this liquid fertilizer, and potassium content can reach 150g/L;
(4) this liquid fertilizer has solved the problem of organic matter when utilizing monosodium glutamate waste liquid to produce solid fertilizer, amino acid charing reduction fertilizer efficiency, has solved the problem of environmental pollution that the smell of burning in the exhaust emissions causes simultaneously;
(5) also can in monosodium glutamate waste liquid, add the various formulations of liquid fertilizer of fertiliser production such as urea, ammonium nitrate, monoammonium phosphate again according to the prescription needs.
Embodiment
Embodiment one
The technical process of this embodiment is as follows:
1. monosodium glutamate waste liquid is concentrated, solid content is concentrated into 30% by 8%, is referred to as concentrated solution;
2. with Repone K and 1: 1.05 in molar ratio batching of sulfuric acid, feed steam and react generation sal enixum and hydrogen chloride gas down at 120 ℃, the hydrogen chloride gas water absorbs into 31% technical hydrochloric acid;
3. with concentrated solution by 70%, sal enixum prepares burden by 30%, is referred to as nitration mixture;
4. nitration mixture and gas ammonia are carried out neutralization reaction, the control degree of neutralization is 1.1, and the material after the neutralization is referred to as feed liquid;
5. add trace compound in feed liquid, ratio is feed liquid 85%, sal epsom 5%, zinc sulfate 3%, borax 3%, manganous sulfate 2%, ferrous sulfate 2%, and this fertilizer is finished product high nitrogen and potassium type sequester liquids towards revolving fertilizer.
Embodiment two
The technical process of this embodiment is as follows:
1. monosodium glutamate waste liquid is concentrated, solid content is concentrated into 35% by 8%, is referred to as concentrated solution;
2. with Repone K and 1: 1.05 in molar ratio batching of sulfuric acid, feed steam and react generation sal enixum and hydrogen chloride gas down at 125 ℃, the hydrogen chloride gas water absorbs into 31% technical hydrochloric acid;
3. with concentrated solution by 80%, sal enixum prepares burden by 20%, is referred to as nitration mixture;
4. nitration mixture and gas ammonia are carried out neutralization reaction, the control degree of neutralization is 1.2, and the material after the neutralization is referred to as feed liquid;
5. add trace compound in feed liquid, ratio is feed liquid 90%, sal epsom 1%, zinc sulfate 2%, borax 2%, manganous sulfate 1%, ferrous sulfate 3%, and this fertilizer is finished product high nitrogen and potassium type sequester liquids towards revolving fertilizer.
Embodiment three
The technical process of this embodiment is as follows:
1. monosodium glutamate waste liquid is concentrated, solid content is concentrated into 40% by 8%, is referred to as concentrated solution;
2. with Repone K and 1: 1.05 in molar ratio batching of sulfuric acid, feed steam and react generation sal enixum and hydrogen chloride gas down at 130 ℃, the hydrogen chloride gas water absorbs into 31% technical hydrochloric acid;
3. with concentrated solution by 90%, sal enixum prepares burden by 10%, is referred to as nitration mixture;
4. nitration mixture and gas ammonia are carried out neutralization reaction, the control degree of neutralization is 1.3, and the material after the neutralization is referred to as feed liquid;
5. add trace compound in feed liquid, ratio is feed liquid 95%, sal epsom 1%, zinc sulfate 1%, borax 1%, manganous sulfate 1%, ferrous sulfate 1%, and this fertilizer is finished product high nitrogen and potassium type sequester liquids towards revolving fertilizer.
In addition, add the small amounts of phosphoric acid potassium dihydrogen during the high nitrogen and potassium type sequester liquids that makes is in the above-described embodiments dashed and applied fertilizer again and can produce nitrogen phosphorus potassium ternary sequester liquids towards fertilising.
The present invention dash fertilising have easy to use, characteristics such as fertilizer efficiency is rapid, thus in actual application, generally use as the kind of topdressing at crop growth period, particularly some cash crop such as various vegetables, the fruit tree constant speed is long or the using of large result phase.If at this moment use common fertilizer, because of discharging, nutrient transforms slowly, and fertilizer efficiency is slow, certainly will influence output and quality, particularly in the winter time during the greenhouse cultivation crop because low temperature, sunshine unfavourable condition such as deficiency, use reliable quality and dash fertilising, just can reach good effect.Can produce various formula fertilizers such as broad spectrum type, vegetables tailored version, fruit tree tailored version at this situation the present invention, through using, drop into and reduce 20%, output improves 15-30%, effect highly significant.
1) broad spectrum type
The nutrient proportioning is: nitrogen: 60g/l, phosphorus: 60g/l, potassium: 60g/l, organic matter: 100g/l, amino acid: 60g/l, sulphur: 50g/l, zinc: 5g/l, boron: 5g/l, iron: 5g/l, calcium: 5g/l.
This kind liquid dashes fertilising nitrogen phosphorus potassium proportioning for waiting nutrient proportioning, and nitrogenous source adopts ammonia-state nitrogen and organonitrogen, and the drip irrigation special fertilizer that is suitable as field crop uses.
2) vegetables tailored version
The nutrient proportioning is: nitrogen: 90g/l, and phosphorus: 0g/l, potassium: 90g/l, organic matter: 100g/l, amino acid: 60g/l. sulphur: 40g/l, zinc: 5g/l boron: 10g/l, iron: 5g/l, calcium: 5g/l,
This kind liquid dashes fertilising and dashes fertilising for high nitrogen and potassium, has wherein added nitric nitrogen in the nitrogenous source, and adds trace element, and this kind fertilizer is as the use of topdressing of vegetables, and the fertilizer efficiency highly significant obviously improves quality of vegetable.
3) fruit tree tailored version
The nutrient proportioning is: nitrogen: 70g/l, phosphorus: 20g/l, potassium: 90g/l, organic matter: 100g/l, amino acid: 50/l. sulphur: 60g/l, zinc: 5g/l boron: 5g/l, iron: 5g/l, calcium: 10g/l.
This kind liquid dashes fertilising and dashes fertilising for high nitrogen and potassium is low-phosphorous, wherein adopts ammonia-state nitrogen and organonitrogen in the nitrogenous source, and adds trace element, and this kind fertilizer is as special-purpose fertile use of fruit tree, and the real output of consequences for use improves in a large number, and mouthfeel changes improvement greatly.Effect is very good.
Potassium sulfate organic chelating liquid of the present invention dashes fertilising and is applicable to that various farm crop and cash crop are topdressed and uses, because of it belongs to sulfenyl fertilizer, high nitrogen and potassium and contain organic matter and multiple amino acids, so be specially adapted to cash crop such as tobacco, fruit tree, vegetables, can significantly improve the quality of crop, and play the effect of improving the soil, possess following advantage:
1. comprehensive nutrition: not only nitrogenous phosphorus potassium macroelement, also has each contained in glutamic acid fermentation tail washings seed amino acid, in this liquid, add the trace element back and generate amino acid chelate fertilizer, trace element can directly be absorbed by crop in calcium behind chelatropic reaction, sulphur, magnesium, iron, zinc, the boron etc.;
2. improve Soil structure: promote soil fertility, be rich in organic matter, amino acid in this fertilizer, rapidly activating soil, improve for fertile environment, make that soil property is soft, ventilative, water conservation, guarantor's fertilizer, its excretory colloidality material helps the formation of soil granular, uses continuously to be beneficial to the structure of improving the soil;
3. improve crop quality: can increase the fruit surface glossiness, improve sugar degree and each seed amino acid, the content of VITAMIN, with use chemical fertilizer and compare, can make VC content raising 30-40% in the product, soluble sugar can improve the 1-4 degree, can improve the outward appearance of vegetables and fruit effectively, improve aminoacids content, reduce harmful substance contents such as heavy metal, the product features good taste, fresh keeping time is long, anti-storage, promote product quality and class, meet or exceed outlet, country's pollution-free green food, the quality standard of Organic food, China is greatly developing Organic farming, Organic food market is progressively perfect, outlet increases steadily, and this fertilizer meets development Trend of Organic Agriculture;
4. potassium is released in phosphorus decomposing: this fertilizer can promote the phosphorus, potassium and the middle trace element that are difficult in the soil being absorbed by crop to activate, and makes it to be converted into the effective constituent that crop easily absorbs, and really reaches the effect that potassium is released in phosphorus decomposing;
5. raising fertilizer efficiency: this fertilizer can promote the complementation of photosynthesis and the various nutrients of farm crop, promotes root system development, improves the balanced receptivity of plant to various nutrients, and nitrogen, phosphorus, potassium comprehensive utilization ratio improve 20%-35%.
It is the same with the principle of using other fertilizer that the present invention dashes fertilising, also is particular about deep placement and concentrated principle such as use:
1. field crop: adopt drip irrigation mode or ditch spread, can be diluted to certain multiple with dashing to apply fertilizer earlier using before, evenly use;
2. greengrocery and fruit tree kind crop:
1. can dash with water for the crop of some shallow root leaf vegetables crops or when operation inconvenience of topdressing and execute, but will control the water yield, can not be very few or excessive, be evenly distributed to impel nutrient;
2. should carry out ditch spread for some deep-rooted crops such as cucumber, tomato and fruit tree etc. or spread manuer in holes, can be diluted to certain multiple with dashing fertilising earlier before using, be evenly distributed in the ditch or cave that digs in advance, water less water again to get final product;
3. dashing fertilising in use will be according to the soil supplying nutrient capability in the growing area, base fertilizer amount of application and the nutrient uptake feature of being planted, what determine to be fit to dashes the fertilising kind, grasp the fertilizing time, amount of application and the application process that are fit to, in order to avoid cause unnecessary loss.
The present invention is not limited to above-mentioned specific embodiment; anyone can draw other various forms of variations under enlightenment of the present invention; no matter substitute or improve but what kind of is done, every identical with the application or akin technical scheme all drops within protection scope of the present invention.
Claims (5)
1, a kind of monosodium glutamate waste liquid that utilizes is produced the method that potassium sulfate organic chelating liquid dashes fertilising, comprises following manufacture craft:
1. monosodium glutamate waste liquid is concentrated, solid content is concentrated into 30～40% by 8%, is referred to as concentrated solution;
2. with Repone K and 1: 1.05 in molar ratio batching of sulfuric acid, feed steam and react generation sal enixum and hydrogen chloride gas down at 120～130 ℃, the hydrogen chloride gas water absorbs into 31% technical hydrochloric acid;
3. with concentrated solution by 70～90%, sal enixum prepares burden by 10～30%, is referred to as nitration mixture;
4. nitration mixture and gas ammonia are carried out neutralization reaction, the control degree of neutralization is 1.1～1.3, and the material after the neutralization is referred to as feed liquid;
5. add trace compound in feed liquid, ratio is feed liquid 85～95%, sal epsom 1～5%, zinc sulfate 1～3%, borax 1～3%, manganous sulfate 1～2%, ferrous sulfate 1～3%, and this fertilizer is finished product high nitrogen and potassium type sequester liquids towards revolving fertilizer.
2, the monosodium glutamate waste liquid that utilizes according to claim 1 is produced the method that potassium sulfate organic chelating liquid dashes fertilising, it is characterized in that, the monosodium glutamate waste liquid solid content of described step in 1. is concentrated into 30% by 8%, the 2. middle temperature of reaction that generates sal enixum and hydrogen chloride gas of step is 120 ℃, the concentrated solution of step in 3. by 70%, sal enixum prepares burden by 30%, the degree of neutralization of step in 4. is 1.1, and the feed liquid of step in 5. accounts for 85%, sal epsom accounts for 5%, zinc sulfate accounts for 3%, borax accounts for 3%, manganous sulfate accounts for 2%, ferrous sulfate accounts for 2%.
3, the monosodium glutamate waste liquid that utilizes according to claim 1 is produced the method that potassium sulfate organic chelating liquid dashes fertilising, it is characterized in that, the monosodium glutamate waste liquid solid content of described step in 1. is concentrated into 35% by 8%, the 2. middle temperature of reaction that generates sal enixum and hydrogen chloride gas of step is 125 ℃, the concentrated solution of step in 3. by 80%, sal enixum prepares burden by 20%, the degree of neutralization of step in 4. is 1.2, and the feed liquid of step in 5. accounts for 90%, sal epsom accounts for 2%, zinc sulfate accounts for 2%, borax accounts for 2%, manganous sulfate accounts for 1%, ferrous sulfate accounts for 3%.
4, the monosodium glutamate waste liquid that utilizes according to claim 1 is produced the method that potassium sulfate organic chelating liquid dashes fertilising, it is characterized in that, the monosodium glutamate waste liquid solid content of described step in 1. is concentrated into 40% by 8%, the 2. middle temperature of reaction that generates sal enixum and hydrogen chloride gas of step is 130 ℃, the concentrated solution of step in 3. by 90%, sal enixum prepares burden by 10%, the degree of neutralization of step in 4. is 1.3, and the feed liquid of step in 5. accounts for 95%, sal epsom accounts for 1%, zinc sulfate accounts for 1%, borax accounts for 1%, manganous sulfate accounts for 1%, ferrous sulfate accounts for 1%.
5, the monosodium glutamate waste liquid that utilizes according to claim 1 is produced the method that potassium sulfate organic chelating liquid dashes fertilising, it is characterized in that, dash in above-mentioned high nitrogen and potassium type sequester liquids and add potassium primary phosphate production nitrogen phosphorus potassium ternary sequester liquids in the fertilising again towards fertilising.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167633A (en) * | 2010-12-29 | 2011-08-31 | 菱花集团有限公司 | Amino acid plant nutrient solution and agricultural applications thereof |
| CN102180732A (en) * | 2011-03-02 | 2011-09-14 | 湖北富邦科技股份有限公司 | Method for controlling fertilizer appearance by using monosodium glutamate waste |
| CN102344314A (en) * | 2011-07-02 | 2012-02-08 | 山东寿光大地绿园肥业有限公司 | Weathered coal-containing potassium sulfate composite fertilizer treated by acidulation and manufacturing method thereof |
| CN102657285A (en) * | 2012-05-30 | 2012-09-12 | 张军民 | Smallpeptide chelate trace element feed additive and production process thereof |
| CN103553756A (en) * | 2013-11-19 | 2014-02-05 | 广西新方向化学工业有限公司 | Liquid fertilizer prepared by utilizing treated industrial waste alcohol and chelating nutrient elements |
| CN104250127A (en) * | 2014-09-09 | 2014-12-31 | 安徽省司尔特肥业股份有限公司 | Fertilizer special for blueberry and preparation method thereof |
| CN107619305A (en) * | 2017-03-29 | 2018-01-23 | 济南航晨生物科技有限公司 | A kind of method that monosodium glutamate waste liquid prepares potassium sulfate powdery fertilizer |
| CN109988042A (en) * | 2019-04-08 | 2019-07-09 | 齐鲁工业大学 | A method of organic fertilizer is manufactured using monosodium glutamate waste liquid |
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2008
- 2008-08-15 CN CN2008101346637A patent/CN101337849B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167633A (en) * | 2010-12-29 | 2011-08-31 | 菱花集团有限公司 | Amino acid plant nutrient solution and agricultural applications thereof |
| CN102180732A (en) * | 2011-03-02 | 2011-09-14 | 湖北富邦科技股份有限公司 | Method for controlling fertilizer appearance by using monosodium glutamate waste |
| CN102344314A (en) * | 2011-07-02 | 2012-02-08 | 山东寿光大地绿园肥业有限公司 | Weathered coal-containing potassium sulfate composite fertilizer treated by acidulation and manufacturing method thereof |
| CN102344314B (en) * | 2011-07-02 | 2013-02-27 | 山东寿光大地绿园肥业有限公司 | Weathered coal-containing potassium sulfate composite fertilizer treated by acidulation and manufacturing method thereof |
| CN102657285A (en) * | 2012-05-30 | 2012-09-12 | 张军民 | Smallpeptide chelate trace element feed additive and production process thereof |
| CN103553756A (en) * | 2013-11-19 | 2014-02-05 | 广西新方向化学工业有限公司 | Liquid fertilizer prepared by utilizing treated industrial waste alcohol and chelating nutrient elements |
| CN104250127A (en) * | 2014-09-09 | 2014-12-31 | 安徽省司尔特肥业股份有限公司 | Fertilizer special for blueberry and preparation method thereof |
| CN107619305A (en) * | 2017-03-29 | 2018-01-23 | 济南航晨生物科技有限公司 | A kind of method that monosodium glutamate waste liquid prepares potassium sulfate powdery fertilizer |
| CN109988042A (en) * | 2019-04-08 | 2019-07-09 | 齐鲁工业大学 | A method of organic fertilizer is manufactured using monosodium glutamate waste liquid |
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Address after: 850033 No. 224 West Beijing Road, Tibet, Lhasa Patentee after: Meihua Biotech Group Co. Ltd. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang No. 66 Patentee before: Meihua Biotech Group Co. Ltd. |