CN108911835A - A method of compound fertilizer is prepared using monosodium glutamate waste liquid - Google Patents
A method of compound fertilizer is prepared using monosodium glutamate waste liquid Download PDFInfo
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- CN108911835A CN108911835A CN201810690563.6A CN201810690563A CN108911835A CN 108911835 A CN108911835 A CN 108911835A CN 201810690563 A CN201810690563 A CN 201810690563A CN 108911835 A CN108911835 A CN 108911835A
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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
- C05G3/80—Soil conditioners
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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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
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Abstract
The invention belongs to environmental protection technical fields, specifically disclose a kind of method using monosodium glutamate waste liquid preparation compound fertilizer, specific step is as follows：The processing of S1 monosodium glutamate waste liquid；S2 prepares fermentation material；S3 prepares granular compound fertilizer：Fermentation material is subjected to extruding granulating with fertiliser granulates extruder, granular compound fertilizer is made, and manufactured granular compound fertilizer diameter is 3-4.5mm；S4 prepares the compound fertilizer containing monosodium glutamate waste liquid raw material：Granular compound fertilizer extexine is wrapped up into coated compound fertilizer, then after package water conservation coating, the compound fertilizer containing monosodium glutamate waste liquid raw material can be obtained.The invention this have the advantage that：By the processing method of the application a new way to turn waste into wealth can not only be provided to waste, and the compound fertilizer specially designs according to oil tea crop regulation of fertilizer requirement, it is with strong points, guarantee the oil tea time of infertility not nutritional deficiency, nutrient does not waste, utilization rate of fertilizer is utmostly improved, is reduced environmental pollution, the effect of increasing income is obvious.
Description
【Technical field】
The invention belongs to environmental protection technical fields, and in particular to a kind of side using monosodium glutamate waste liquid preparation compound fertilizer
Method.
【Background technique】
China is glutamate production big country, and annual output occupies first of the world, and monosodium glutamate per ton in process of production, can all discharge 15 tons
The organic tail washings of high concentration, in monosodium glutamate tail washings containing 8% or more solid content, wherein N, P, K, S and organic matter amino acid for containing
Deng can be made full use of by agricultural, increase yield, improvement soil, and gourmet powder waste water pollution can be made to be governed.
Oil tea, also known as ribes tree, tea oil tree, white flower tea, oil tea category Theaceae, evergreen dungarunga, seed can extract oil (tea
Oil) it is edible.Tea oil color clear flavor incense, full of nutrition, storage tolerance are high quality food oils.It is distributed mainly on the multiple provinces of south China
Part, using the mountainous regions such as Guangxi, Yunnan, Hunan, Hubei, Guizhou, knob as emphasis producing region.
Oil tea Cultivate administration is extensive at present, and Fertilization Level is not high, causes the relatively low phenomenon of yield serious because lacking nutrient.It is first
First, conventional chemical fertilizers are easy to happen leaching, volatilization in the soil, cause fertilizer nutrient to be lost serious, environmental pollution is brought to ask
Topic.Secondly, fertilising difficulty is big, and labor of fertilizer application power is at high cost again because of oil tea plantation more relatively mountain areas, hills.Again, it also passes through mostly
Often there is weather factor of drought, causes fertilizer nutrient to absorb low conducive to rate, the tea-oil tree yield underproduction.
Currently, had the technical research for carrying out being processed into fertilizer using monosodium glutamate waste liquid, but pertinent literature is not yet
It is a kind of for tea-oil tree yield improve and design it is a kind of using monosodium glutamate waste liquid be raw material made of fertilizer.
【Summary of the invention】
Goal of the invention of the invention is：Compound fertilizer is prepared using monosodium glutamate waste liquid the object of the present invention is to provide a kind of
Method can not only provide a new way to turn waste into wealth, and compound fertilizer's root by the processing method of the application to waste
It is specially designed according to oil tea crop regulation of fertilizer requirement, it is with strong points, guarantee that the oil tea time of infertility, nutritional deficiency, nutrient did not wasted, maximum journey
Degree improves utilization rate of fertilizer, reduces environmental pollution, the effect of increasing income is obvious.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A method of compound fertilizer being prepared using monosodium glutamate waste liquid, specific step is as follows：
The processing of S1 monosodium glutamate waste liquid：
The monosodium glutamate waste liquid of pH value to 3.0-3.2 is added in electrolytic cell after carrying out electrolysis 1-2 minutes and is stopped, being subsequently added into
Barium carbonate, until monosodium glutamate waste liquid pH value is to 6.5-7.0, then filtering removal precipitating, takes filtered monosodium glutamate waste liquid；Then
After concentrating the filtrate to 1.12-1.15 times of original volume, then puts into spray dryer to be spray-dried and discard monosodium glutamate
Liquid is granulated to obtain nutritional granular, and nutritional granular is shaken after taking out in spray dryer using the ultrasonic wave of 200-300W
It swings 5-10 minutes；
S2 prepares fermentation material：
In parts by weight, it is sieved with 100 mesh sieve after the grinding of steel slag 5-15 parts by weight, by fresh purple perilla straw 10-20 weight
Part, fresh soya bean shell 10-20 parts by weight of crushed, then with the nutritional granular 10-15 parts by weight after ultrasonication in S1, sugarcane
Filter mud 8-15 parts by weight are mixed to get mixture, are put into fermentation vat inner cover and ferment, the temperature in fermentation vat is warming up to
After 60-65 DEG C, uncap, stirring to fermentation vat center temperature to after 35-40 DEG C, be added candida valida 3-5 parts by weight,
Lactobacillus buchneri 5-8 parts by weight carry out uncapping after mixing evenly and continue fermentation 20-25 days, fermentation material can be obtained；
S3 prepares granular compound fertilizer：
Fermentation material is subjected to extruding granulating with fertiliser granulates extruder, granular compound fertilizer, and manufactured Particles dispersed is made
Fertile diameter is 3-4.5mm；
S4 prepares the compound fertilizer containing monosodium glutamate waste liquid raw material：
Granular compound fertilizer extexine is wrapped up into coated compound fertilizer, then after package water conservation coating, can be obtained containing monosodium glutamate
The compound fertilizer of waste liquid raw material；
The water conservation coating is that 340-380 parts of polylysine, 620-660 parts of sulfomethylation polyacrylamide is taken to stir through crushing
Gelatinization is stirred after preheating after mixing.
Further illustrate, the coated compound fertilizer be by sodium iron ethylene diamine tetra acetate, amino acid powder, polyethylene, polypropylene,
Talcum powder, pigment, tetrachloro-ethylene be material, the dispersing liquid of coated fertilizer is prepared after magnetizing, after in granular compound fertilizer appearance
Bread, which is wrapped up in, to be prepared.
It further illustrates, coated compound fertilizer is prepared by following technique：
By weight, take 0.1-0.5 parts of sodium iron ethylene diamine tetra acetate, 0.5-1 parts of amino acid powder, 10-21 parts of polyethylene,
10-17 parts of polypropylene, 5-13 parts of talcum powder, 0-0.5 parts of pigment are uniformly mixed, are placed in sealed plastic container, plastic containers
Overhung electromagnet sucker, electromagnet energization 5-10min magnetize raw material, and magnetic field strength controls 1000-3000Gs；Again
It is 100g by mixed material weight and tetrachloro-ethylene volume ratio：Mixed material after above-mentioned magnetization is added to four by 0.9-1.1L
In vinyl chloride, and constantly heating stirring makes it dissolve, and 105-110 DEG C of heating and temperature control, coated fertilizer is made after being completely dissolved
Dispersing liquid.
It further illustrates, in S4, concrete operations are：
By the weight ratio 1 of coated compound fertilizer and granular compound fertilizer:6-9, it is while hot that coating is compound after coated compound fertilizer dissolution
Fertile dispersing liquid even application finally removes organic solvent with seasoning and coating is made in granular compound fertilizer surface, natural cooling
Compound fertilizer, drying temperature control 50-60 DEG C.
It further illustrates, the viable count of the candida valida is the work of 2.36-2.94 hundred million CFU/mL, lactobacillus buchneri
Bacterium number is hundred million CFU/mL of 3.21-3.85.
It further illustrates, the monosodium glutamate waste liquid solid content is 40-50%.
It further illustrates, the steel slag contains calcium oxide 50-60%, magnesia 3-8%, manganese oxide 1-3%, silica
10-13%.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
The application uses the waste by several industry, agricultural to carry out neutralizing the core using becoming in compound fertilizer, can not only
The new processing road of a waste is enough provided, also, the fertility for the granular compound fertilizer come out that ferments is quite high-quality.In Bai Sejing
The sociales that Xi Shi possesses topography are implanted with a large amount of tea oil tree, and the compound fertilizer that the application prepares can satisfy oil tea to,
Carbon-nitrogen ratio, phosphorus, potassium and middle microelement needs, and the feature lasting with fertilizer efficiency, this point can reduce multiple fertilising
Drain on manpower and material resources, be explicitly shown from test, applied fertilizer using the compound fertilizer of the application to oil tea, additionally it is possible to significantly be mentioned
High tea-oil tree yield reduces 1-2 times/year of fertilizer application frequency on year-on-year basis, single fertilization can be achieved in the anniversary of some areas.
【Specific embodiment】
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below with reference to of the invention specific
Embodiment is described in detail.In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But
It is that the invention can be embodied in many other ways as described herein, those skilled in the art can be without prejudice to originally
Similar improvement is done in the case where invention intension, therefore the present invention is not limited to the specific embodiments disclosed below.
Embodiment 1：
1, raw material preparation：
Coated compound fertilizer is prepared by following technique：
By weight, 0.1 part of sodium iron ethylene diamine tetra acetate, 0.5 part of amino acid powder, 10 parts of polyethylene, polypropylene 10 are taken
Part, 5 parts of talcum powder are uniformly mixed, are placed in sealed plastic container, plastic containers overhung electromagnet sucker, electromagnet
Energization 5min magnetizes raw material, and magnetic field strength controls 1000-3000Gs；Again by mixed material weight and tetrachloro-ethylene volume
Than for 100g：Mixed material after above-mentioned magnetization is added in tetrachloro-ethylene by 0.9L, and constantly heating stirring makes it dissolve,
105 DEG C of heating and temperature control, the dispersing liquid of coated fertilizer is made after being completely dissolved.
2, a kind of method using monosodium glutamate waste liquid preparation compound fertilizer, specific step is as follows：
The processing of S1 monosodium glutamate waste liquid：
PH value to 3.0, the monosodium glutamate waste liquid that solid content is 40% are added in electrolytic cell after carrying out electrolysis 1 minute and stopped
Only, it is subsequently added into barium carbonate, until monosodium glutamate waste liquid pH value is to 6.5, then filtering removal precipitating, takes filtered monosodium glutamate discarded
Liquid；Then it after concentrating the filtrate to 1.12 times of original volume, then puts into spray dryer to be spray-dried and monosodium glutamate gives up
It abandons liquid to be granulated to obtain nutritional granular, nutritional granular is vibrated after taking out in spray dryer using the ultrasonic wave of 200W
5 minutes；
S2 prepares fermentation material：
In parts by weight, containing calcium oxide 50%, magnesia 3%, manganese oxide 1%, silica 10% 5 weight of steel slag
It is sieved with 100 mesh sieve after amount part grinding, by fresh 10 parts by weight of purple perilla straw, fresh 10 parts by weight of crushed of soya bean shell, then and in S1
10 parts by weight of nutritional granular after ultrasonication, 8 parts by weight of filter mud of sugarcane are mixed to get mixture, are put into fermentation vat inner cover
Ferment, after the temperature in fermentation vat is warming up to 60 DEG C, uncap, stirring to fermentation vat center temperature to after 35 DEG C,
Addition viable count is 2.36 hundred million CFU/mL candida valida, 3 parts by weight, viable count is 3.21 hundred million CFU/mL lactobacillus buchneri, 5 weight
Part is measured, carries out uncapping after mixing evenly and continues fermentation 20 days, fermentation material can be obtained；
S3 prepares granular compound fertilizer：
Fermentation material is subjected to extruding granulating with fertiliser granulates extruder, granular compound fertilizer, and manufactured Particles dispersed is made
Fertile diameter is 3mm；
S4 prepares the compound fertilizer containing monosodium glutamate waste liquid raw material：
By the weight ratio 1 of coated compound fertilizer and granular compound fertilizer:6, while hot by coated compound fertilizer after coated compound fertilizer dissolution
It is multiple that coating finally is made with seasoning removing organic solvent in granular compound fertilizer surface, natural cooling in dispersing liquid even application
Hefei, drying temperature control 50 DEG C, and then after package water conservation coating, the compound fertilizer containing monosodium glutamate waste liquid raw material can be obtained；
The water conservation coating be take 340 parts of polylysine, 620 parts of sulfomethylation polyacrylamide preheated after crushing, stirring
Stirring gelatinization afterwards.
Comparative example 1：Processing scheme is substantially same as Example 1, and difference is the processing for not carrying out S1, directly uses taste
Smart waste liquid is as one of the raw material for preparing fermentation material.
Comparative example 2：Processing scheme is substantially same as Example 1, and difference is that the processing of S1 does not carry out ultrasonication.
Verification test one：
The nutritional granular that S1 is finally obtained in comparative example 2, embodiment 1 is carried out to the parameter detecting such as following table：
Table 1
| Group | Conductivity ms/cm |
| Embodiment 1 | 3.24±0.11 |
| Comparative example 2 | 1.58±0.16 |
S2 in comparative example 1, embodiment 1 is prepared into the parameter detecting that fermentation material carries out such as following table：
Table 2
| Classification | pH | C/% | N/% | Ca/% | P2O5/ % | K2O/% | Mn/% | Si/% | Mg/% | Fe/% | Zn/% |
| Embodiment 1 | 6.1 | 41.3 | 17.3 | 8.2 | 7.2 | 9.8 | 9.3 | 8.8 | 4.2 | 1.2 | 0.8 |
| Comparative example 1 | 4.8 | 38.3 | 12.9 | 5.2 | 6.0 | 5.1 | 6.9 | 1.7 | 2.1 | 0.4 | 0.5 |
It is seen by upper table 1 with table 2, the method that monosodium glutamate waste liquid is handled is handled using the application, it first will be in monosodium glutamate waste
The sulfate radical of high concentration content is replaced as barium sulfate precipitate removal, to reduce sulfate radical content, and the structure in particle is logical
After crossing ultrasonication, the bond length between element in particle changes, so that ion activity is stronger to carry out conductivity
Conductivity higher phenomenon is presented when detection；And it is in neutrality after the waste liquid of low ph value capable of being neutralized, after being
The pH value that post-fermentation material is mutually matched when continuous fermentation material is fermented will not be too low, inhibits the ferment generated in fermentation process
The growth of the beneficial bacteriums such as mother, lactic acid bacteria, and make the physics proportion content of fermentation material more moderate, by subsequent examination
The bright absorption that can have the effect of promoting well to tea oil tree is verified to improve tea-oil tree yield.
Embodiment 2：
1, raw material preparation：
Coated compound fertilizer is prepared by following technique：
By weight, take 0.5 part of sodium iron ethylene diamine tetra acetate, 1 part of amino acid powder, 21 parts of polyethylene, 17 parts of polypropylene,
13 parts of talcum powder, 0.5 part of pigment are uniformly mixed, are placed in sealed plastic container, and plastic containers overhung electromagnet is inhaled
Disk, electromagnet energization 10min magnetize raw material, and magnetic field strength controls 3000Gs；Again by mixed material weight and four chloroethenes
Alkene volume ratio is 100g：Mixed material after above-mentioned magnetization is added in tetrachloro-ethylene by 1.1L, and constantly heating stirring makes it
Dissolution, is made the dispersing liquid of coated fertilizer by 110 DEG C of heating and temperature control after being completely dissolved.
2, a kind of method using monosodium glutamate waste liquid preparation compound fertilizer, specific step is as follows：
The processing of S1 monosodium glutamate waste liquid：
PH value to 3.2, the monosodium glutamate waste liquid that solid content is 50% are added in electrolytic cell after carrying out electrolysis 2 minutes and stopped
Only, it is subsequently added into barium carbonate, until monosodium glutamate waste liquid pH value is to 7.0, then filtering removal precipitating, takes filtered monosodium glutamate discarded
Liquid；Then it after concentrating the filtrate to 1.15 times of original volume, then puts into spray dryer to be spray-dried and monosodium glutamate gives up
It abandons liquid to be granulated to obtain nutritional granular, nutritional granular is vibrated after taking out in spray dryer using the ultrasonic wave of 300W
10 minutes；
S2 prepares fermentation material：
In parts by weight, containing calcium oxide 60%, magnesia 8%, manganese oxide 3%, silica 13% steel slag 15
Parts by weight grinding after sieve with 100 mesh sieve, by fresh 20 parts by weight of purple perilla straw, fresh 20 parts by weight of crushed of soya bean shell, then with S1
15 parts by weight of nutritional granular after middle ultrasonication, 15 parts by weight of filter mud of sugarcane are mixed to get mixture, are put into fermentation vat
Capping is fermented, and after the temperature in fermentation vat is warming up to 65 DEG C, is uncapped, and is stirred to fermentation vat center temperature to 40 DEG C
Afterwards, addition viable count is 2.94 hundred million CFU/mL candida valida, 5 parts by weight, viable count is 3.85 hundred million CFU/mL lactobacillus buchneris
8 parts by weight carry out uncapping after mixing evenly and continue fermentation 25 days, fermentation material can be obtained；
S3 prepares granular compound fertilizer：
Fermentation material is subjected to extruding granulating with fertiliser granulates extruder, granular compound fertilizer, and manufactured Particles dispersed is made
Fertile diameter is 4.5mm；
S4 prepares the compound fertilizer containing monosodium glutamate waste liquid raw material：
By the weight ratio 1 of coated compound fertilizer and granular compound fertilizer:9, while hot by coated compound fertilizer after coated compound fertilizer dissolution
It is multiple that coating finally is made with seasoning removing organic solvent in granular compound fertilizer surface, natural cooling in dispersing liquid even application
Hefei, drying temperature control 60 DEG C, and then after package water conservation coating, the compound fertilizer containing monosodium glutamate waste liquid raw material can be obtained；
The water conservation coating be take 380 parts of polylysine, 660 parts of sulfomethylation polyacrylamide preheated after crushing, stirring
Stirring gelatinization afterwards.
The embodiment of table 3 contains the product index of the compound fertilizer of monosodium glutamate waste liquid raw material
| Classification | pH | C/% | N/% | Ca/% | P2O5/ % | K2O/% | Mn/% | Si/% | Mg/% | Fe/% | Zn/% |
| Embodiment 2 | 6.4 | 52.1 | 20.3 | 8.7 | 7.6 | 9.5 | 9.8 | 8.6 | 4.7 | 1.5 | 1.6 |
Embodiment 3：
1, raw material preparation：
Coated compound fertilizer is prepared by following technique：
By weight, 0.3 part of sodium iron ethylene diamine tetra acetate, 0.8 part of amino acid powder, 16 parts of polyethylene, polypropylene 14 are taken
Part, 10 parts of talcum powder, 0.3 part of pigment are uniformly mixed, are placed in sealed plastic container, plastic containers overhung electromagnet
Sucker, electromagnet energization 8min magnetize raw material, and magnetic field strength controls 2000Gs；Again by mixed material weight and four chloroethenes
Alkene volume ratio is 100g：Mixed material after above-mentioned magnetization is added in tetrachloro-ethylene by 1L, and constantly heating stirring keeps its molten
Solution, is made the dispersing liquid of coated fertilizer by 105-110 DEG C of heating and temperature control after being completely dissolved.
2, a kind of method using monosodium glutamate waste liquid preparation compound fertilizer, specific step is as follows：
The processing of S1 monosodium glutamate waste liquid：
PH value to 3.1, the monosodium glutamate waste liquid that solid content is 45% are added in electrolytic cell after carrying out electrolysis 1.5 minutes
Stop, being subsequently added into barium carbonate, until monosodium glutamate waste liquid pH value is to 6.8, then filtering removal precipitating, takes filtered monosodium glutamate useless
Abandon liquid；Then it after concentrating the filtrate to 1.13 times of original volume, then puts into spray dryer and is spray-dried monosodium glutamate
Waste liquid is granulated to obtain nutritional granular, and nutritional granular is shaken after taking out in spray dryer using the ultrasonic wave of 250W
It swings 5-10 minutes；
S2 prepares fermentation material：
In parts by weight, containing calcium oxide 55%, magnesia 5%, manganese oxide 2%, silica 12% steel slag 10
Parts by weight grinding after sieve with 100 mesh sieve, by fresh 15 parts by weight of purple perilla straw, fresh 15 parts by weight of crushed of soya bean shell, then with S1
12 parts by weight of nutritional granular after middle ultrasonication, filter mud of sugarcane 8-15 parts by weight are mixed to get mixture, are put into fermentation vat
Inner cover is fermented, and after the temperature in fermentation vat is warming up to 62 DEG C, is uncapped, and is stirred to fermentation vat center temperature extremely
After 35-40 DEG C, addition viable count is 2.51 hundred million CFU/mL candida valida, 4 parts by weight, viable count is 3.50 hundred million CFU/mL cloth
7 parts by weight of family name's lactobacillus carry out uncapping after mixing evenly and continue fermentation 22 days, fermentation material can be obtained；
S3 prepares granular compound fertilizer：
Fermentation material is subjected to extruding granulating with fertiliser granulates extruder, granular compound fertilizer, and manufactured Particles dispersed is made
Fertile diameter is 3.5mm；
S4 prepares the compound fertilizer containing monosodium glutamate waste liquid raw material：
By the weight ratio 1 of coated compound fertilizer and granular compound fertilizer:7, while hot by coated compound fertilizer after coated compound fertilizer dissolution
It is multiple that coating finally is made with seasoning removing organic solvent in granular compound fertilizer surface, natural cooling in dispersing liquid even application
Hefei, drying temperature control 55 DEG C, and then after package water conservation coating, the compound fertilizer containing monosodium glutamate waste liquid raw material can be obtained；
The water conservation coating be take 355 parts of polylysine, 650 parts of sulfomethylation polyacrylamide preheated after crushing, stirring
Stirring gelatinization afterwards.
The embodiment of table 4 contains the product index of the compound fertilizer of monosodium glutamate waste liquid raw material
| Classification | pH | C/% | N/% | Ca/% | P2O5/ % | K2O/% | Mn/% | Si/% | Mg/% | Fe/% | Zn/% |
| Embodiment 3 | 6.3 | 48.1 | 19.1 | 8.6 | 73 | 9.6 | 9.5 | 8.3 | 4.9 | 1.4 | 1.0 |
The plantation of oil tea is a variety of to plant as hills, mountain area, and irrigation is extremely difficult, lives at the mercy of the elements more, single such as in oil tea garden
Solely application coated compound fertilizer, it is more difficult to guarantee moisture abundance, the release of nutrient certainly will be influenced, finally influence yield；The present invention will wrap
Film compound fertilizer is effectively combined with water conservation coating, is largely solved oil tea garden and is irrigated difficult and influence fertilizer nutrient release and utilize
The problem of, realize that nutrient discharges persistently, completely, fertilizer efficiency is long, effectively reduces fertilizer application frequency, reduces fertilising cost；Oil tea it is effective
Fertilizer index be：Total nutrient >=45%, chlorine≤8%, boracic, magnesium, zinc, microelement in iron, fertilizer releasing period >=180 day are inhaled
Water/self weight >=20.Fertilizer coating technology of the present invention is enterprising in usual resins coating starting components and technique
Improvement is gone；With polyethylene, polypropylene coated fertilizer as main component, natural degradation speed is slow in the soil, when fertilizer is supported
Divide after releasing and still leave for a long time in the soil, up to the several years to many decades, causes Heavy environmental pollution；The present invention is original
In technical foundation, it is added to amino acid powder ingredient, the microbial degradation speed of resin coating material can be accelerated；Amino acid is plant
Necessary nutriment in object growth course after coated compound fertilizer is manured into soil, is easily decomposed by Soil Microorganism and is utilized, accelerates
The stability for destroying resin coating material, effectively shortens the degradation time of resin coating material；Further, since amino acid powder and poly-
The ingredients such as ethylene, polypropylene are cross-linked with each other, and enable microbial degradation slowly stable progress, guarantee that fertilizer nutrient long stable effect is released
It puts, meets oil tea plant growth demand.The present invention also added sodium iron ethylene diamine tetra acetate, and carry out at magnetization to raw material
Reason；Magnetization can make the ingredients such as sodium iron ethylene diamine tetra acetate, talcum powder, pigment have magnetism, can promote to make after being manured into soil
Object root growth, activating soil microorganism improve soil environment, promote crop photosynthesis, improve yield；In addition, ethylenediamine
Tetraacethyl ferrisodium is the melt quality element of Chelating state, is not easy by soil fixing, absorption rate is high.Being retained coating composition is poly- rely
The composition of propylhomoserin and sulfomethylation polyacrylamide.Common agricultural water conservation coating is mainly that acrylamide and acrylic acid salt is total
2 class of poly- cross-linking agent and starch grafted acrylate crosslinking copolymerization object has the advantages that water absorbent rate is high, fireballing, but the period
Property is weak, and water retention property is reduced because degrading year by year, itself cannot be further absorbed and utilized also without nutritional ingredient by crop.It is poly- to rely
Propylhomoserin is the polymer and a kind of polypeptide of lysine, and it is daily that high-hydroscopicity can be usually used in sanltary towel, baby diapers etc.
In daily necessity, water suction stability is strong；Polylysine degradation product is mainly lysine, can be directly absorbed and utilized by crop, right and wrong
Often good environmentally friendly water-absorbent material.It is sulphur methylating reagent to polypropylene that sulfomethylation polyacrylamide, which is using formaldehyde and potassium bisulfite,
Amide has carried out modification, and modified polyacrylamide water absorbing properties are stronger, and degradation time is longer, and water conservation is periodically more
It is good, and the degrade potassium generated, ammonium ion can be further absorbed and utilized by crop.Polylysine and sulfomethylation polyacrylamide group
It closes, extends the time of water conservation coating, slow down the trend that water retention property reduces year by year.
Test proves：
The compound fertilizer containing monosodium glutamate waste liquid raw material that embodiment 1-3 is prepared, market purchase resin lapping
Compound fertilizer (CK1), market purchase sulphur Film laminated fertile (CK2) carry out accumulative nutrient release rate and membrane degradation rate detect into
Following table：
5 unit % of table
| 24h | 30d | 60d | 70d | 120d | 160d | 180d | |
| Embodiment 1 | 5.3 | 19.4 | 26.4 | 49.1 | 64.4 | 82.6 | 95.8 |
| Embodiment 2 | 6.3 | 20.3 | 27.1 | 48.9 | 62.3 | 79.6 | 91.4 |
| Embodiment 3 | 5.8 | 18.9 | 24.5 | 45.8 | 61.2 | 80.4 | 93.6 |
| CK1 | 12.7 | 28.5 | 45.1 | 71.3 | 92.4 | 98.4 | 100 |
| CK2 | 8.99 | 45.2 | 55.3 | 60.3 | 87.2 | 92.3 | 100 |
It can be seen that film-coating technique of the present invention from accumulation nutrient release rate and the release of resin technology fertilizer nutrient be steady
It is fixed, uniform, and the fluctuation of sulfur coating technology nutrients release is big.
6 unit % of table
| 100d | 200d | 300d | 400d | 500d | 600d | |
| Embodiment 1 | 20.3 | 56.8 | 82.1 | 100 | 100 | 100 |
| Embodiment 2 | 24.3 | 59.5 | 82.6 | 100 | 100 | 100 |
| Embodiment 3 | 20.1 | 53.5 | 80.2 | 100 | 100 | 100 |
| CK1 | 2.7 | 7.9 | 16.5 | 21.85 | 34.1 | 48.5 |
| CK2 | 12.9 | 42.0 | 75.1 | 92.6 | 98.1 | 100 |
It can be seen that from membrane degradation rate, film-coating technique and sulfur coating technology of the present invention is easy degradation, and environmental pollution is small, and
Resin technology is not degradable, causes serious pollution to the environment.Above-mentioned data illustrate that fertilizer coating technology of the invention has nutrient
The advantages of release is stablized, uniformly, and coated fertilizer is easy degradation.
To further illustrate fertilizer technology effect produced by the present invention, selects and carried out field with the common fertilizer of market sale
Between comparative test obtain following data：
Experimental period：On November 15, -2017 years on the 15th April in 2017
Test site：The village great Wan of Jingxi city
Test variety：Hunan woods 69
Table 7
From upper table, it can be concluded that, the average soil moisture content for applying fertilizer of the present invention than conventional fertilizer application improves 0.8-1.2%；
Average product increases 65.5-72kg/ mus, and rate of growth reaches 15.4-16.9%；Fertilizer application frequency is reduced 1 time simultaneously, and realization is disposably applied
Fertilizer；The oil content of drier oil tea seed is without significant changes.Above data explanation, the special fertilizer for oil-tea camellia of environment-friendly long-life prepared by the present invention
The advantages that with environmental protection, fertilizer efficiency is long, water holding capacity is strong, can effectively reduce fertilizer application frequency, oil tea increase yield significantly.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitation of the scope of the invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of method using monosodium glutamate waste liquid preparation compound fertilizer, which is characterized in that specific step is as follows：
The processing of S1 monosodium glutamate waste liquid：
The monosodium glutamate waste liquid of pH value to 3.0-3.2 is added in electrolytic cell after carrying out electrolysis 1-2 minutes and is stopped, being subsequently added into carbonic acid
Barium, until monosodium glutamate waste liquid pH value is to 6.5-7.0, then filtering removal precipitating, takes filtered monosodium glutamate waste liquid；It then will filter
After liquid is concentrated into 1.12-1.15 times of original volume, then put into spray dryer in be spray-dried by monosodium glutamate waste liquid into
Row, which is granulated, obtains nutritional granular, and nutritional granular carries out oscillation 5- using the ultrasonic wave of 200-300W after taking out in spray dryer
10 minutes；
S2 prepares fermentation material：
In parts by weight, it is sieved with 100 mesh sieve after the grinding of steel slag 5-15 parts by weight, by fresh purple perilla straw 10-20 parts by weight, newly
Cadmium yellow beans shell 10-20 parts by weight of crushed, then with the nutritional granular 10-15 parts by weight after ultrasonication in S1, filter mud of sugarcane
8-15 parts by weight are mixed to get mixture, are put into fermentation vat inner cover and ferment, the temperature in fermentation vat is warming up to 60-65
It after DEG C, uncaps, candida valida 3-5 parts by weight, Bu Shi are added to after 35-40 DEG C in stirring to fermentation vat center temperature
Lactobacillus 5-8 parts by weight carry out uncapping after mixing evenly and continue fermentation 20-25 days, fermentation material can be obtained；
S3 prepares granular compound fertilizer：
Fermentation material is subjected to extruding granulating with fertiliser granulates extruder, granular compound fertilizer is made, and manufactured granular compound fertilizer is straight
Diameter is 3-4.5mm；
S4 prepares the compound fertilizer containing monosodium glutamate waste liquid raw material：
Granular compound fertilizer extexine is wrapped up into coated compound fertilizer, then after package water conservation coating, can be obtained discarded containing monosodium glutamate
The compound fertilizer of liquid raw material；
The water conservation coating be take 340-380 parts of polylysine, 620-660 parts of sulfomethylation polyacrylamide after crushing, stirring
Gelatinization is stirred after preheating.
2. a kind of method using monosodium glutamate waste liquid preparation compound fertilizer according to claim 1, it is characterised in that：The packet
It is material that film compound fertilizer, which is by sodium iron ethylene diamine tetra acetate, amino acid powder, polyethylene, polypropylene, talcum powder, pigment, tetrachloro-ethylene,
Material, the dispersing liquid of coated fertilizer is prepared after magnetizing, after granular compound fertilizer outer surface package be prepared.
3. a kind of method using monosodium glutamate waste liquid preparation compound fertilizer according to claim 1, it is characterised in that：Coating is multiple
Hefei is prepared by following technique：
By weight, 0.1-0.5 parts of sodium iron ethylene diamine tetra acetate, 0.5-1 parts of amino acid powder, 10-21 parts of polyethylene, poly- third are taken
10-17 parts of alkene, 5-13 parts of talcum powder, 0-0.5 parts of pigment are uniformly mixed, are placed in sealed plastic container, above plastic containers
Electromagnet sucker is hung, electromagnet energization 5-10min magnetizes raw material, and magnetic field strength controls 1000-3000Gs；Again by mixed
It closes weight of material and tetrachloro-ethylene volume ratio is 100g：Mixed material after above-mentioned magnetization is added to four chloroethenes by 0.9-1.1L
In alkene, and constantly heating stirring makes it dissolve, and 105-110 DEG C of heating and temperature control, point of coated fertilizer is made after being completely dissolved
Dispersion liquid body.
4. a kind of method using monosodium glutamate waste liquid preparation compound fertilizer according to claim 1, it is characterised in that：In S4
In, concrete operations are：
By the weight ratio 1 of coated compound fertilizer and granular compound fertilizer:6-9, while hot by coated compound fertilizer point after coated compound fertilizer dissolution
It is compound that coating finally is made with seasoning removing organic solvent in granular compound fertilizer surface, natural cooling in dispersion liquid body even application
Fertilizer, drying temperature control 50-60 DEG C.
5. a kind of method using monosodium glutamate waste liquid preparation compound fertilizer according to claim 1, it is characterised in that：It is described thick
The viable count of shape Candida is hundred million CFU/mL of 2.36-2.94, the viable count of lactobacillus buchneri is hundred million CFU/mL of 3.21-3.85.
6. a kind of method using monosodium glutamate waste liquid preparation compound fertilizer according to claim 1, it is characterised in that：The taste
Smart waste liquid solid content is 40-50%.
7. a kind of method using monosodium glutamate waste liquid preparation compound fertilizer according to claim 1, it is characterised in that：The steel
Slag contains calcium oxide 50-60%, magnesia 3-8%, manganese oxide 1-3%, silica 10-13%.
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Application publication date: 20181130 |