CN109320379A - A kind of phosphorus ammonium preparation method containing alginic acid synergistic carrier suitable for basic soil - Google Patents
A kind of phosphorus ammonium preparation method containing alginic acid synergistic carrier suitable for basic soil Download PDFInfo
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- CN109320379A CN109320379A CN201811328528.6A CN201811328528A CN109320379A CN 109320379 A CN109320379 A CN 109320379A CN 201811328528 A CN201811328528 A CN 201811328528A CN 109320379 A CN109320379 A CN 109320379A
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- alginic acid
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
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Abstract
The present invention relates to a kind of phosphorus ammonium preparation method containing alginic acid synergistic carrier suitable for basic soil, which includes the preparation of alginic acid organic extractant, the preparation of alginic acid extracting solution, the preparation of alginic acid synergistic carrier and the phosphorus ammonium preparation of the synergistic carrier containing alginic acid.Phosphorus ammonium containing alginic acid synergistic carrier can significantly slow the fixation of phosphorus ammonium in alkaline soils, improve P availability, supplement Available phosphate.The more commercially available phosphorus ammonium of soil pH in fertile border 1cm reduces by 0.3~1.2 unit, and soil available phosphorus content is averagely higher than commercially available phosphorus ammonium processing 57.5% in fertile border 2cm, illustrates that the fixed speed of alginic acid phosphorus ammonium obviously slows down；Soil Ca2- P and Ca8- P distinguishes the commercially available phosphorus ammonium of average specific and improves 23% and 15%.Wheat root weight and vigor improve 35% or more, and 12% or more output increased, phosphate fertilizer utilization efficiency improves 9%.
Description
[technical field]
The invention belongs to technical field of fertilizer production.More particularly it relates to a kind of containing suitable for basic soil
The phosphorus ammonium preparation method of alginic acid synergistic carrier.
[background technique]
The 5.5% of the world phosphor resource reserves Jin Zhan of China gross reserves, the per-capita quantity of the resources is only the 39% of world average level.
Phosphorus ammonium is the most important phosphate fertilizer variety in China, but because its enter soil after easily fixed by metal ions such as calcium, magnesium, iron, aluminium, this season
Utilization rate only 20% or so, causes huge economic loss and the wasting of resources.Soil is only in the case where 6~7 pH, effectively
Phosphorus concentration highest.The calcium and magnesium ion content of basic soil is high, after phosphorus enters soil, 80% or more is fixed in 3 days, cannot
It is absorbed by crops utilization.By greatly improving phosphate fertilizer utilization efficiency, Phosphorus Fertilizer Rates are reduced, are to promote the sustainable benefit of China's phosphate fertilizer resource
With important technology approach.
Reducing the approach that phosphate fertilizer utilization efficiency was fixed, improved to phosphorus mainly has the metal adjusted in soil pH, reduction phosphorus and soil
Ions binding quantity promotes crop to absorb.The acidic functionalities such as carboxyl rich in, phenolic hydroxyl group in alginic acid, can be certain
Phosphorus is reduced in degree to fix, and improves phosphorus amount.But the extracting method of traditional alginic acid mainly utilizes sodium hydroxide, hydrogen-oxygen
Change the inorganic bases such as potassium, ammonium hydroxide to extract, forms water soluble algae hydrochlorate through kickback, alginic acid original structure is destroyed, simultaneously
Since alkalinity is stronger, should not generally be applied on basic soil.
CN102701866A discloses a kind of fermentation liquid seaweed extract material synergist and its production method and purposes, with natural sea
Algae is raw material, through microbial fermentation, then taken with alkali carries, the processes such as filters pressing produce seaweed extracted liquor, then to adding chela in liquid
State microelement is closed, fermentation alga liquid fertilizer synergist is obtained.CN107236766A discloses a kind of whole biologic enzymolysis method preparation
The method of seaweed plants growth regulator, including preparation, the pretreatment of raw material, level-one enzymatic hydrolysis, enzymolysis liquid removal of impurities, enzymatic hydrolysis before producing
Liquid homogeneous, secondary enzymolysis, post-processing, the isolating and purifying of somatotropin, fertilizer are matched eventually.But it has no with strong points, is applicable in
In the alginic acid phosphorus ammonium patent application of basic soil.
Therefore, the present inventor, for technical problem of the existing technology, passes through on the basis for summarizing the prior art
Lot of experiments and analysis work, complete the present invention finally.
[summary of the invention]
[technical problems to be solved]
The object of the present invention is to provide a kind of phosphorus ammonium preparation methods containing alginic acid synergistic carrier suitable for basic soil.
[technical solution]
The present invention is achieved through the following technical solutions.
The present invention relates to a kind of phosphorus ammonium preparation methods containing alginic acid synergistic carrier suitable for basic soil.
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
By 20~50 parts by weight hydramine, 5~10 parts by weight of lemon acid potassium, 5~10 parts by weight potassium salicylates and 5~10 weight
Part ethylene glycol is added in the water that 1000~2000 parts by weight temperature are 60~70 DEG C, and stirring and dissolving is cooling, obtains the seaweed
Sour organic extractant；
B, prepared by alginic acid extracting solution
100 parts by weight seawood meals are added to the alginic acid organic extractant that 800~1500 parts by weight are obtained in step A
In, its temperature is then gradually increased to 70~90 DEG C under stiring, and keep 6~12h at this temperature, is then cooled to room
Temperature, centrifuge separation, sediment discard, and obtain the alginic acid extracting solution；
C, prepared by alginic acid synergistic carrier
10~20 parts by weight benzene carboxylic acids, 5~10 parts by weight sulfonic acid and 0.02~0.05 parts by weight polyethylene glycol are added to
100 parts by weight are heated to temperature 50 C in the alginic acid extracting solution that step B is obtained, and add 2~3 parts by weight peroxidating two
Isopropylbenzene is then heated to 100 DEG C of temperature, reacts 60~120min at this temperature, adds 2~6 parts by weight polyoxy second
Alkene ether, cooling, its pH value is adjusted to 4.5~5.5, obtains a kind of alginic acid synergistic carrier by used phosphate aqueous solution；
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 10~100 parts by weight step C is added to
It in 1000 parts by weight of phosphoric acid cleaning solutions, is reacted in tubular reactor with liquefied ammonia, obtains the synergistic carrier containing alginic acid
Phosphorus ammonium.
A preferred embodiment of the invention, in step, the hydramine are one or more to be selected from a second
Hydramine, diethanol amine, triethanolamine or N methyldiethanol amine hydramine.
According to another preferred method of implementation of the present invention, in step, it will be stirred under conditions of 60~180rpm of revolving speed
It mixes the solution that dissolution obtains and is cooled to 35 DEG C of temperature or less.
According to another preferred method of implementation of the present invention, in step, hydramine, potassium citrate, potassium salicylate, second two
The weight ratio of alcohol and water is 28~42:6~9:6~9:6~9:1200~1800.
According to another preferred method of implementation of the present invention, in stepb, the seawood meal is brown alga, bulk kelp or bubble
The granularity of Ye Zao, the seawood meal are less than 2mm.
According to another preferred method of implementation of the present invention, in stepb, under conditions of 1000~5000rpm of revolving speed
It is centrifugated 5~30min.
According to another preferred method of implementation of the present invention, in step C, the benzene carboxylic acid be benzoic acid, phenylacetic acid,
Salicylic acid or acetylsalicylic acid.
According to another preferred method of implementation of the present invention, in step C, the sulfonic acid is benzene sulfonic acid, naphthalene sulfonic acids, first
Base sulfonic acid or tarine.
According to another preferred method of implementation of the present invention, in step C, the concentration of the peroxophosphoric acid aqueous solution is 1~
5mol/L。
According to another preferred method of implementation of the present invention, after addition polyoxyethylene ether that its solution is cooling in step C
To 10~40 DEG C of temperature.
The present invention is described in more detail below.
The present invention relates to a kind of phosphorus ammonium preparation methods containing alginic acid synergistic carrier suitable for basic soil.
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
By 20~50 parts by weight hydramine, 5~10 parts by weight of lemon acid potassium, 5~10 parts by weight potassium salicylates and 5~10 weight
Part ethylene glycol is added in the water that 1000~2000 parts by weight temperature are 60~70 DEG C, and stirring and dissolving is cooling, obtains the seaweed
Sour organic extractant；
The hydramine that the present invention uses is a kind of using the nitrogen-atoms of ammonia as core, and the chemical combination that the hydrogen atom of ammonia is replaced by alcohol
Object, it can be chelated with calcium, magnesium, the iron plasma in seaweed powder raw material, the water solubility of this raw material be improved, to help to improve
The recovery rate of alginic acid is extracted from seaweed powder raw material.
The hydramine is one or more selected from monoethanolamine, diethanol amine, triethanolamine or N methyldiethanol amine
Hydramine.The hydramine is all current market sales of product, such as by Shanghai Min Chen Chemical Co., Ltd. with trade name
Monoethanolamine (MEA) sale product, by Chemical Co., Ltd. of Guoan of Zouping County with trade name N methyldiethanol amine (MDEA)
The product of sale.
Potassium citrate is to increase alginic acid COO preparing the basic role in alginic acid organic extractant-Functional group improves
Alginic acid recovery rate.The potassium citrate that the present invention uses is current market sales of product, such as by Xi'an favour nation biology work
The product that journey Co., Ltd is sold with trade name potassium citrate.
Potassium salicylate is to increase the carboxyl structure containing aromatic ring preparing the basic role in alginic acid organic extractant, makes sea
Alginic acid carrier has anti-adversity.The potassium salicylate that the present invention uses is current market sales of product, such as by Wuhan shellfish
The product that Er Ka biological medicine Co., Ltd is sold with trade name potassium salicylate.
Ethylene glycol can enhance alginic acid organic extractant liquid stabilising due to the good intersolubility of water and low temperature resistance
Property and mobility.The ethylene glycol that the present invention uses is current market sales of product, such as is just rising chemical products by Zhengzhou and have
The product that limit company is sold with trade name anti-icing fluid spent glycol.
In the present invention, when other raw material dosages are in the range, if the dosage of hydramine is lower than 20 parts by weight,
Alginic acid recovery rate can then be reduced；If the dosage of hydramine is higher than 50 parts by weight, it is excessive to will lead to alginic acid liquid bubble,
Tiny impurity is mixed in alginic acid liquid, the alginic acid purity liquid decline of extraction；Therefore, the dosage of hydramine is 20~50 weights
Amount part is suitable, preferably 28~42 parts by weight, more preferably 30~36 parts by weight.
It, can be to mentioning if the dosage of potassium citrate is lower than 5 parts by weight when other raw material dosages are in the range
High alginic acid extraction rate impact is unobvious；If the dosage of potassium citrate is higher than 10 parts by weight, it is organic to will lead to alginic acid
Extractant alkalinity is excessively high；Therefore, it is appropriate, preferably 6~9 parts by weight that the dosage of potassium citrate, which is 5~10 parts by weight,.
It, can be to increasing if the dosage of potassium salicylate is lower than 5 parts by weight when other raw material dosages are in the range
Strong alginic acid carrier effect effect is limited；If the dosage of potassium salicylate is higher than 10 parts by weight, it is organic alginic acid to be improved
The alkalinity of extractant, and increased costs；Therefore, the dosage of potassium salicylate be 5~10 parts by weight be it is appropriate, preferably 6~9
Parts by weight.
It, can be to low temperature if the dosage of ethylene glycol is lower than 5 parts by weight when other raw material dosages are in the range
Shi Tigao alginic acid extracting solution stabilizing effect is unobvious；It, can be because of hydroxyl if the dosage of ethylene glycol is higher than 10 parts by weight
Content is higher, may cause part alginic acid precipitating with storage time extension；Therefore, the dosage of ethylene glycol is 5~10 parts by weight
It is suitable, preferably 6~9 parts by weight.
It, can be because of seaweed if the dosage of water is lower than 1000 parts by weight when other raw material dosages are in the range
Sour organic extractant excessive concentration, water consumption is low, and solubility is limited, extracts the decline of alginic acid efficiency；If the dosage of water is higher than
, then can be too low because of alginic acid organic extractant concentration when 2000 parts by weight, also result in the decline of alginic acid recovery rate；Therefore, water
Dosage be 1000~2000 parts by weight be suitable, preferably 1200~1800 parts by weight, more preferably 1400~
1600 parts by weight.
Preferably, the weight ratio of hydramine, potassium citrate, potassium salicylate, ethylene glycol and water is 28~42:6~9:6~9:6
~9:1200~1800.
In this step, the solution that stirring and dissolving obtains under conditions of 60~180rpm of revolving speed is cooled to temperature 35
DEG C hereinafter, main purpose be guarantee alginic acid organic extractant stability and subsequent quantizatiion preparation.
B, prepared by alginic acid extracting solution
100 parts by weight seawood meals are added to the alginic acid organic extractant that 800~1500 parts by weight are obtained in step A
In, its temperature is then gradually increased to 70~90 DEG C under stiring, and keep 6~12h at this temperature, is then cooled to room
Temperature, centrifuge separation, sediment discard, and obtain the alginic acid extracting solution；
According to the present invention, the seawood meal is brown alga, bulk kelp or yellow tang.The seaweed that the present invention uses all is current city
The product sold on field, for example, the brown alga that uses of the present invention be sold by the friendly company of Yantai Long Island three with trade name kelp it is brown
Algae；The bulk kelp that the present invention uses is the bulk kelp sold by Shaanxi Si Nuote Bioisystech Co., Ltd with trade name bulk kelp original powder.
According to the present invention, brown alga, bulk kelp or yellow tang are crushed using existing conventional crushing plant, collects granularity grain
Seawood meal of the degree less than 2mm prepares alginic acid extracting solution.
In the present invention, when seawood meal is 100 parts by weight, if the alginic acid organic extractant dosage is lower than 800
Parts by weight, then will lead to that liquid is thick to be difficult to carry out subsequent centrifugal treating；If the alginic acid organic extractant dosage is high
It in 1500 parts by weight, then will lead to the alginic acid liquid water content of extraction, influence the application in urea.Therefore, the sea
Alginic acid organic extractant dosage is that 800~1500 parts by weight are appropriate.
In this step, seawood meal and alginic acid organic extractant are mixed in the case where revolving speed is the stirring of 100~200rpm
The temperature for closing object is gradually increased to 70~90 DEG C, and keeps 6~12h at this temperature.Its Extracting temperature is more than with extraction time
The range is worthless.If extraction time is shorter than 6h, alginic acid is extracted not exclusively, and alginic acid is caused to lose；If
Extraction time is more than 12h, then causes the energy consumption for extracting alginic acid to increase, increased costs.Therefore, alginic acid extraction time be 6~
12h is feasible.
According to the present invention, the extract being cooled to room temperature using centrifuge under conditions of 1000~5000rpm of revolving speed from
The heart separates 5~30min.The centrifuge is the product sold on existing market, such as by ShangHai City centrifugal Machine Institute
Co., Ltd separates the product of sleeping spiral shell sedimentation centrifuge sale with trade name two-phase.
C, prepared by alginic acid synergistic carrier
10~20 parts by weight benzene carboxylic acids, 5~10 parts by weight sulfonic acid and 0.02~0.05 parts by weight polyethylene glycol are added to
100 parts by weight are heated to temperature 50 C in the alginic acid extracting solution that step B is obtained, and add 2~3 parts by weight peroxidating two
Isopropylbenzene is then heated to 100 DEG C of temperature, reacts 60~120min at this temperature, adds 2~6 parts by weight polyoxy second
Alkene ether, cooling, its pH value is adjusted to 4.5~5.5, obtains a kind of alginic acid synergistic carrier by used phosphate aqueous solution；
In the present invention, in the presence of with cumyl peroxide initiator and polyglycol surfactants, benzene carboxylic
Acid with step B extract alginic acid be grafted, further increase the acidic functionality type and quantity of alginic acid, the purpose is to phosphorus
Amino reaction bonded in ammonium molecule is even closer, delays the decomposition rate of phosphorus ammonium in the soil.
In the present invention, the benzene carboxylic acid is benzoic acid, phenylacetic acid, salicylic acid or acetylsalicylic acid；They are all mesh
Preceding product available on the market, such as the product sold with trade name benzoic acid by Jiangsu Shun Feng Chemical Co., Ltd., Shandong are new
Product that Hua Longxin Chemical Co., Ltd. is sold with trade name sublimed salicylic acid, by Zhengzhou Jia Hong Chemical Co., Ltd. with trade name
The product of acetylsalicylic acid sale.
Sulfonic acid is one kind organic compound made of sulfo group is connected with alkyl (including aryl), it can enhance alginic acid
The water-soluble and its sequestering power with metal ion.
The sulfonic acid is benzene sulfonic acid, naphthalene sulfonic acids, methane sulfonic acid or tarine, they are all to sell currently on the market
Product, such as sold by Shanghai Yi He Biotechnology Co., Ltd with trade name benzene sulfonic acid product, by Shanghai shriek chemical industry
Product that Co., Ltd is sold with trade name 2- naphthalene sulfonic acids, by Wuhan sea Dehua work Development Co., Ltd with trade name methane sulfonic acid
The product of sale, the product sold by Jiangsu Cai Wei Biotechnology Co., Ltd with trade name β-aminoethanesulfonic acid.
In the present invention, when other raw material dosages are in the range, if benzene carboxylic acid dosage is lower than 10 parts by weight, it
Keep benzene carboxyl functional group incrementss relatively low；If benzene carboxylic acid dosage is higher than 20 parts by weight, it can cause part alginic acid to precipitate；
Therefore, it is appropriate that benzene carboxylic acid dosage, which is 10~20 parts by weight,；
It, can be to raising seaweed sour water if sulfonic acid dosage is lower than 5 parts by weight when other raw material dosages are in the range
Dissolubility effect is unobvious；If sulfonic acid dosage is higher than 10 parts by weight, increased costs can be made excessively high；Therefore, benzene carboxylic acid dosage is 5
~10 parts by weight are appropriate；
It, can be because of dispersion if polyethylene glycol dosage is lower than 0.02 parts by weight when other raw material dosages are in the range
Property is low, and graft effect is undesirable；If polyethylene glycol dosage is higher than 0.05 parts by weight, graft effect will affect；Therefore, benzene carboxylic
Sour dosage is that 0.02~0.05 parts by weight are feasible；
When other raw material dosages are in the range, if cumyl peroxide dosage is lower than 2 parts by weight, it will lead to
Grafting efficiency is low；If cumyl peroxide dosage is higher than 3 parts by weight, it is too fast to will lead to reaction；Therefore, peroxidating two is different
Propyl benzene dosage is that 2~3 parts by weight are appropriate；
This reaction carries out 60~120min at 100 DEG C of temperature, if the reaction time is shorter than 60min, benzene carboxylic acid,
Sulfonic acid and alginic acid combination stability are inadequate；If the reaction time is longer than 120min, energy consumption increases obvious.Therefore, this
Reaction time is that 60~120min is feasible.
Polyoxyethylene ether has both resin and nonionic surfactant performance in the present invention, it can not only be used for stationary phase into
The metal ion that one step slows down, reduces in the soil liquid is contacted with phosphorus ammonium.Peroxophosphoric acid is that one kind contains phosphoric acid and several polyphosphoric acids
Mineral acid, it has extremely strong sequestering power to foreign metal ion, therefore, the pH of its not only adjustable system, but also can
To enhance the stability of alginic acid synergistic carrier by calcium, the magnesium plasma in chelating alginic acid.
In alginic acid synergistic carrier preparation, polyoxyethylene ether dosage is 2~6 parts by weight, if polyoxyethylene ether is used
Amount is lower than 2 parts by weight, then dispersion and permeance property are unobvious；If polyoxyethylene ether dosage is higher than 6 parts by weight, synergistic carrier
Viscosity is excessively high；Therefore, it is appropriate that polyoxyethylene ether dosage, which is 2~6 parts by weight,.
In this step, it is added after polyoxyethylene ether and its solution is cooled to 10~40 DEG C of temperature.
According to the present invention, the concentration of the peroxophosphoric acid aqueous solution is 1~5mol/L.
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 10~100 parts by weight step C is added to
It in 1000 parts by weight of phosphoric acid cleaning solutions, is reacted in tubular reactor with liquefied ammonia, obtains the synergistic carrier containing alginic acid
Phosphorus ammonium.
Existing production of ammonium phosphate process and its equipment used specifically may refer to " Modern Phosphating work technology and application ",
2013, Chemical Industry Press.
In this step, 1000 parts by weight of phosphoric acid cleaning solutions add 10~100 parts by weight alginic acid synergistic carriers.If
Alginic acid synergistic carrier additive amount is lower than 10 parts by weight, then it is not significant to reduce the fixed effect of phosphorus；If alginic acid synergistic carrier
Additive amount is higher than 100 parts by weight, then causes phosphorus ammonium water content excessively high, increases drying process pressure.
The phosphorus ammonium containing alginic acid synergistic carrier that the present invention is suitable for basic soil has the characteristics that following:
1, organic acidity functional group abundant can reduce particle phospho-ammonium fertilizer border pH in the alginic acid synergistic carrier phosphorus ammonium
0.3~1.2 unit, the resiliency of enhanced fertilizer border soil, soil available phosphorus content is averagely higher than at commercially available phosphorus ammonium in fertile border 2cm
Reason 57.5%；
2, the alginic acid synergistic carrier phosphorus ammonium can reduce the fixation of phosphorus in the soil, two phosphorus of soil calcium and eight phosphorus of calcium difference
Improve 23% and 15%, and phosphorus and middle microelement in activating soil.
3, wheat root vigor can be improved 35% or more by the alginic acid synergistic carrier phosphorus ammonium, and yield is mentioned than commercially available phosphorus ammonium
High by 12% or more, phosphate fertilizer utilization efficiency improves 9 percentage points.
[beneficial effect]
The beneficial effects of the present invention are: alginic acid synergistic carrier phosphorus ammonium organic acidity functional group rich in of the present invention,
They can reduce 0.3~1.2 unit of particle phospho-ammonium fertilizer border pH, the resiliency of enhanced fertilizer border soil, soil in fertile border 2cm
Available phosphorus content is averagely higher than commercially available phosphorus ammonium processing 57.5%；Alginic acid synergistic carrier phosphorus ammonium of the present invention can reduce phosphorus in soil
In fixation, 23% and 15% is respectively increased in two phosphorus of soil calcium and eight phosphorus of calcium, and phosphorus and middle microelement in activating soil；
Alginic acid synergistic carrier phosphorus ammonium of the present invention can be improved 35% or more wheat root vigor, and wheat specific yield compares city
It is high by 12% or more to sell phosphorus ammonium, phosphate fertilizer utilization efficiency improves 9% or more.
[specific embodiment]
It will be better understood that the present invention by following embodiments.
One, embodiment is prepared
Embodiment 1: the present invention contains the phosphorus ammonium preparation of alginic acid synergistic carrier
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
By 25 parts by weight N methyldiethanol amine hydramine, 8 parts by weight of lemon acid potassium, 7 parts by weight potassium salicylates and 9 parts by weight
Ethylene glycol is added in the water that 1400 parts by weight temperature are 62 DEG C, by the solution that stirring and dissolving obtains under conditions of revolving speed 80rpm
35 DEG C of temperature is cooled to hereinafter, obtaining the alginic acid organic extractant；
B, prepared by alginic acid extracting solution
100 parts by weight granularities are added to 1000 parts by weight less than 2mm kelp brown alga powder to be had in the alginic acid that step A is obtained
In machine extractant, its temperature is then gradually increased to 90 DEG C in the case where revolving speed is the stirring of 120rpm, and keep at this temperature
10h is then cooled to room temperature, is centrifugated 15min under conditions of revolving speed 2800rpm, and precipitating discards, and obtains the seaweed
Sour extracting solution；
C, prepared by alginic acid synergistic carrier
16 parts by weight, 8 parts by weight benzene sulfonic acids and 0.04 parts by weight polyethylene glycol are added to 100 parts by weight in step
In the alginic acid extracting solution that rapid B is obtained, it is heated to temperature 50 C, 2 parts by weight cumyl peroxides is added, is then heated to
100 DEG C of temperature, 100min is reacted at this temperature, adds 5 parts by weight of polyoxyethylene ethers, is cooled to 18 DEG C of temperature, is used
Concentration is that its pH value is adjusted to 4.5 by the peroxophosphoric acid aqueous solution of 3mol/L, obtains a kind of alginic acid synergistic carrier.
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 30 parts by weight step C is added to 1000 weights
It measures in part phosphoric acid washing liquid, is reacted in tubular reactor with liquefied ammonia, obtain the phosphorus ammonium of the synergistic carrier containing alginic acid.
Embodiment 2: the present invention contains the phosphorus ammonium preparation of alginic acid synergistic carrier
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
36 parts by weight triethanolamines, 5 parts by weight of lemon acid potassium, 6 parts by weight potassium salicylates are added to 5 parts by weight ethylene glycol
In the water that 1200 parts by weight temperature are 60 DEG C, the solution that stirring and dissolving obtains under conditions of revolving speed 140rpm is cooled to temperature
35 DEG C hereinafter, obtain the alginic acid organic extractant；
B, prepared by alginic acid extracting solution
It is organic that the Algemin that 100 parts by weight granularities are less than 2mm is added to the alginic acid that 1000 parts by weight are obtained in step A
In extractant, its temperature is then gradually increased to 70 DEG C in the case where revolving speed is the stirring of 180rpm, and keep at this temperature
12h is then cooled to room temperature, is centrifugated 20min under conditions of revolving speed 1000rpm, and precipitating discards, and obtains the seaweed
Sour extracting solution；
C, prepared by alginic acid synergistic carrier
10 parts by weight phenylacetic acids, 5 parts by weight naphthalene sulfonic acids and 0.05 parts by weight polyethylene glycol are added to 100 parts by weight in step
In the alginic acid extracting solution that rapid B is obtained, it is heated to temperature 50 C, 3 parts by weight cumyl peroxides is added, is then heated to
100 DEG C of temperature, 60min is reacted at this temperature, adds 2 parts by weight of polyoxyethylene ethers, is cooled to 26 DEG C of temperature, use is dense
Degree is that its pH value is adjusted to 4.8 by the peroxophosphoric acid aqueous solution of 1mol/L, obtains a kind of alginic acid synergistic carrier.
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 85 parts by weight step C is added to 1000 weights
It measures in part phosphoric acid washing liquid, is reacted in tubular reactor with liquefied ammonia, obtain the phosphorus ammonium of the synergistic carrier containing alginic acid.
Embodiment 3: the present invention contains the phosphorus ammonium preparation of alginic acid synergistic carrier
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
20 parts by weight diethanol amine, 10 parts by weight of lemon acid potassium, 9 parts by weight potassium salicylates are added with 7 parts by weight ethylene glycol
In the water for being 64 DEG C to 1000 parts by weight temperature, the solution that stirring and dissolving obtains under conditions of revolving speed 60rpm is cooled to temperature
35 DEG C of degree is hereinafter, obtain the alginic acid organic extractant；
B, prepared by alginic acid extracting solution
Yellow tang powder by 100 parts by weight granularities less than 2mm is added to 800 parts by weight to be had in the alginic acid that step A is obtained
In machine extractant, its temperature is then gradually increased to 80 DEG C in the case where revolving speed is the stirring of 100rpm, and keep at this temperature
9h is then cooled to room temperature, is centrifugated 5min under conditions of revolving speed 3500rpm, and precipitating discards, and obtains the alginic acid
Extracting solution；
C, prepared by alginic acid synergistic carrier
18 parts by weight salicylic acids, 10 parts by weight methane sulfonic acids and 0.02 parts by weight polyethylene glycol are added to 100 parts by weight
In the alginic acid extracting solution that step B is obtained, be heated to temperature 50 C, add 2 parts by weight cumyl peroxides, then plus
Heat reacts 80min to 100 DEG C of temperature at this temperature, adds 4 parts by weight of polyoxyethylene ethers, is cooled to 10 DEG C of temperature, makes
Its pH value is adjusted to 5.5 by the peroxophosphoric acid aqueous solution for being 5mol/L with concentration, obtains a kind of alginic acid synergistic carrier.
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 100 parts by weight step C is added to 1000 weights
It measures in part phosphoric acid washing liquid, is reacted in tubular reactor with liquefied ammonia, obtain the phosphorus ammonium of the synergistic carrier containing alginic acid.
Embodiment 4: the present invention contains the phosphorus ammonium preparation of alginic acid synergistic carrier
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
50 parts by weight monoethanolamines, 6 parts by weight of lemon acid potassium, 5 parts by weight potassium salicylates are added to 6 parts by weight ethylene glycol
In the water that 2000 parts by weight temperature are 70 DEG C, the solution that stirring and dissolving obtains under conditions of revolving speed 180rpm is cooled to temperature
35 DEG C hereinafter, obtain the alginic acid organic extractant；
B, prepared by alginic acid extracting solution
It is organic that the Algemin that 100 parts by weight granularities are less than 2mm is added to the alginic acid that 1500 parts by weight are obtained in step A
In extractant, its temperature is then gradually increased to 85 DEG C in the case where revolving speed is the stirring of 200rpm, and keep 6h at this temperature,
It is then cooled to room temperature, is centrifugated 30min under conditions of revolving speed 4200rpm, precipitating discards, and obtains the alginic acid and mentions
Take liquid；
C, prepared by alginic acid synergistic carrier
20 parts by weight acetylsalicylic acid, 6 parts by weight tarines and 0.03 parts by weight polyethylene glycol are added to 100 weights
Part is measured in the alginic acid extracting solution that step B is obtained, temperature 50 C is heated to, adds 3 parts by weight cumyl peroxides, connect
Be heated to 100 DEG C of temperature, react 120min at this temperature, add 6 parts by weight of polyoxyethylene ethers, be cooled to temperature 20
DEG C, its pH value is adjusted to 5.0 using the peroxophosphoric acid aqueous solution that concentration is 2mol/L, obtains a kind of alginic acid synergistic carrier.
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 70 parts by weight step C is added to 1000 weights
It measures in part phosphoric acid washing liquid, is reacted in tubular reactor with liquefied ammonia, obtain the phosphorus ammonium of the synergistic carrier containing alginic acid.
Embodiment 5: the present invention contains the phosphorus ammonium preparation of alginic acid synergistic carrier
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
By 30 parts by weight monoethanolamines and triethanolamine mixture (weight ratio 1:1) hydramine, 9 parts by weight of lemon acid potassium, 10
Parts by weight potassium salicylate and 10 parts by weight ethylene glycol are added in the water that 1800 parts by weight temperature are 68 DEG C, will be revolving speed 100rpm's
Under the conditions of the obtained solution of stirring and dissolving be cooled to 35 DEG C of temperature hereinafter, obtaining the alginic acid organic extractant；
B, prepared by alginic acid extracting solution
Yellow tang powder by 100 parts by weight granularities less than 2mm is added to 1200 parts by weight to be had in the alginic acid that step A is obtained
In machine extractant, its temperature is then gradually increased to 75 DEG C in the case where revolving speed is the stirring of 140rpm, and keep at this temperature
11h is then cooled to room temperature, is centrifugated 10min under conditions of revolving speed 5000rpm, and precipitating discards, and obtains the seaweed
Sour extracting solution；
C, prepared by alginic acid synergistic carrier
By 12 parts by weight and bigcatkin willow acid blend (weight ratio 2:1) benzene carboxylic acid, 9 parts by weight benzene sulfonic acids and naphthalene sulfonic acids
Mixture (weight ratio 3:1) sulfonic acid and 0.04 parts by weight polyethylene glycol are added to 100 parts by weight and mention in the alginic acid that step B is obtained
It takes in liquid, is heated to temperature 50 C, add 2 parts by weight cumyl peroxides, 100 DEG C of temperature are then heated to, at this
At a temperature of react 110min, add 3 parts by weight of polyoxyethylene ethers, be cooled to 35 DEG C of temperature, using concentration be 4mol/L mistake
Its pH value is adjusted to 5.2 by phosphate aqueous solution, obtains a kind of alginic acid synergistic carrier.
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 50 parts by weight step C is added to 1000 weights
It measures in part phosphoric acid washing liquid, is reacted in tubular reactor with liquefied ammonia, obtain the phosphorus ammonium of the synergistic carrier containing alginic acid.
Embodiment 6: the present invention contains the phosphorus ammonium preparation of alginic acid synergistic carrier
The step of preparation method, is as follows:
A, prepared by alginic acid organic extractant
By 42 parts by weight triethanolamines and N methyldiethanol amine mixture (weight ratio 1:2) hydramine, 7 parts by weight of lemon acid
Potassium, 8 parts by weight potassium salicylates and 8 parts by weight ethylene glycol are added in the water that 1600 parts by weight temperature are 66 DEG C, will be in revolving speed
The solution that stirring and dissolving obtains under conditions of 120rpm is cooled to 35 DEG C of temperature hereinafter, obtaining the organic extraction of alginic acid
Agent；
B, prepared by alginic acid extracting solution
Wild kelp brown alga powder by 100 parts by weight granularities less than 2mm is added to 900 parts by weight in the sea that step A is obtained
In alginic acid organic extractant, its temperature is then gradually increased to 85 DEG C in the case where revolving speed is the stirring of 160rpm, and in this temperature
Lower holding 8h, is then cooled to room temperature, is centrifugated 25min under conditions of revolving speed 1800rpm, and precipitating discards, and obtains described
Alginic acid extracting solution；
C, prepared by alginic acid synergistic carrier
By 14 parts by weight salicylic acids and acetyl salicylic acid blend (weight ratio 1:1) benzene carboxylic acid, 7 parts by weight methane sulfonic acids with
Tarine mixture (weight ratio 1:1) and 0.03 parts by weight polyethylene glycol are added to 100 parts by weight in the sea that step B is obtained
In alginic acid extracting solution, it is heated to temperature 50 C, adds 3 parts by weight cumyl peroxides, is then heated to 100 DEG C of temperature,
90min is reacted at this temperature, adds 4 parts by weight of polyoxyethylene ethers, is cooled to 40 DEG C of temperature, the use of concentration is 3mol/L
Peroxophosphoric acid aqueous solution its pH value is adjusted to 5.0, obtain a kind of alginic acid synergistic carrier.
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 10 parts by weight step C is added to 1000 weights
It measures in part phosphoric acid washing liquid, is reacted in tubular reactor with liquefied ammonia, obtain the phosphorus ammonium of the synergistic carrier containing alginic acid.
Two, test example
Test example 1: the fertile border soil pH and available phosphorus of present invention synergistic carrier containing alginic acid phosphorus ammonium and commercially available phosphorus ammonium
Compare
Sample preparation: the phosphorus of synergistic carrier containing alginic acid prepared by 150g embodiment 1, embodiment 2 and embodiment 3 is weighed respectively
Ammonium (abbreviation alginic acid phosphorus ammonium) and commercially available phosphorus ammonium, are placed in length × width × height=5cm × 5cm × 5cm, and aperture is the stainless of 0.5mm
In steel wire mold, square alginic acid phosphorus ammonium A, square alginic acid phosphorus ammonium B, square alginic acid phosphorus ammonium C and just are obtained
Cube phosphorus ammonium (opens phosphorylcholine group, P in Guizhou2O5Content 46%) P is as control sample.
Test procedure: respectively by square phosphorus ammonium P, square alginic acid phosphorus ammonium A, square alginic acid phosphorus ammonium B, square
It is compacting soil to bulk density by weight in 18% Fluvo-Aquic Soils (Shandong Dezhou) that alginic acid phosphorus ammonium C, which is placed in water content,
1.3mg/cm3, cultivated 12 hours at 25 ± 2 DEG C of temperature.After culture, cut out respectively with blade apart from square phosphorus ammonium sample
The soil of product edge 1.5-2.0cm, 1.0-1.5cm, 0.5-1.0cm, 0-0.5cm.According to (for example female " soil agrochemistry point in Shandong
Analysis method " Beijing: Chinese agriculture Science Press, 2000.) standard method of analysis tests these square phospho-ammonium fertilizer border soil
In pH, available phosphorus content.The test result is listed in Table 1 below.
Table 1: the test result of alginic acid phosphorus ammonium of the present invention and commercially available phosphorus ammonium
Fertile border is the initial period of fertilizer conversion, decides the phosphorus fixed ammonium process in later period.These test results show this
The alginic acid synergistic carrier of invention preparation can significantly reduce the soil within phospho-ammonium fertilizer border soil pH, especially reduction fertilizer border 1cm
PH, reduction amplitude are 0.3~1.2 pH unit, i.e., the H in the fertile border soil liquid+Concentration improves 3~12 times；It is native in fertile border 2cm
Earth available phosphorus content is significantly higher than commercially available phosphorus ammonium processing 57.5%, illustrates that the fixed speed of the phosphorus ammonium of synergistic carrier containing alginic acid is obvious
Slow down.
Test example 2: influence of the present invention phosphorus ammonium of synergistic carrier containing alginic acid to soil inorganic P form
The phosphorus ammonium of synergistic carrier containing alginic acid prepared by test example 1 (is opened into phosphorylcholine group, P in Guizhou with commercially available phosphorus ammonium2O5Contain
46%) amount presses equivalent chemical fertilizer phosphorus (0.30gP2O5/ kg wind desiceted soil) the commitment principle design experiment, it will be for examination fertilizer (P, A, B, C) point
2mm sieve is not crossed with 100g and air-dries, loading plastic culture cup uniformly mixed for examination soil (Fluvo-Aquic Soils, Shandong Dezhou).Each
Processing is repeated 4 times, and using adding water weight method that soil moisture content is adjusted to by weight 20%, is sealed culture cup, is placed in temperature
Humidity culture is kept for 25 DEG C of growth cabinets, according to (for example female " soil agrochemistry analysis method " Beijing, Shandong: Chinese agriculture
Industry Science Press, 2000.) standard method of analysis culture the 3rd day, 42 days, 97 days respectively measurement various forms Phos contain
Amount.
Its testing result is listed in Table 2 below.
Table 2: each form content of inorganic phosphorus in soil when cultivating the 3rd day, 42 days, 97 days
In table:
Ca2- P represents available phosphorus, Ca8- P represents potential available phosphorus library, represents soil P supply ability.
The result listed by table 2 is it is found that at the 3rd day, the 42nd day and 97 days of culture, at the phosphorus ammonium of synergistic carrier containing alginic acid
The soil Ca of reason2- P averagely improves 19%, 29% and 22% than commercially available phosphorus ammonium respectively；Ca8- P averagely improves 23.3% respectively.By
This improves soil available phosphorus content, can also supplement soil as it can be seen that the phosphorus of synergistic carrier containing alginic acid ammonium can not only reduce phosphorus fixes
Earth available phosphorus library.
Test example 3: influence of the present invention phosphorus ammonium of synergistic carrier containing alginic acid to growth of wheat roots and vigor
Test specimen: the phosphorus ammonium of synergistic carrier containing alginic acid prepared by embodiment 1, embodiment 2 and embodiment 4.
Test method: additive amount of the synergistic carrier containing alginic acid in Huo Gelan nutrient solution be 0.2g/L, be denoted as respectively A,
B, C, control CK are 0.0g/L.The quartz sand of processing is attached in 500mL culturing pot (drainage hole is arranged at bottom), table on quartz sand
Identity distance is 2~3cm from alms bowl edge.The crop of processing is colonized in the culturing pot, is repeated 6 times.Every 1 nutrient solution of pouring in 4 days,
Each 100mL, to keep certain humidity and nutrient density.
Testing inspection: it samples within the 21st day after crop emergence, according to " plant physiology experiment guidance " (South China Science & Engineering University
Publishing house, 2015) standard method measurement root system fresh weight and TTC vigor.The test result is listed in Table 3 below.
Table 3: the present invention phosphorus ammonium of synergistic carrier containing alginic acid is to growth of wheat roots and effect of vigor
The absorbability of crop root is an important factor for determining utilization rate of fertilizer.The result listed by table 3 is it is found that and CK
Processing is compared, and the wheat root fresh weight and vigor of synergistic carrier containing alginic acid phosphorus ammonium A, B, C processing averagely improve 42.4% respectively
With 35.2%.
Test example 4: influence of the present invention phosphorus ammonium of synergistic carrier containing alginic acid to wheat yield and phosphate fertilizer utilization efficiency
For examination fertilizer Selection experiment embodiment 1 prepare the phosphorus ammonium of synergistic carrier containing alginic acid and commercially available phosphorus ammonium, number and
Test example 1 is identical.
Test uses earth pillar planting type, and selecting internal diameter is the pvc pipe of 25cm and high 100cm, is wholly embedded into soil, suitable for reading
2cm above ground level, to prevent rainfall runoff from flowing into, lower open-ended is directly contacted with natural soils, simulates field cultivation state.
Each earth pillar fills soil 55kg.Present invention synergistic carrier containing alginic acid phosphorus ammonium and commercially available phosphorus ammonium according to etc. full phosphorus amount put into
Principle designs different Supplied P levels, all uniformly mixed to impose in earth pillar 0~30cm soil layer；Nitrogenous fertilizer, potash fertilizer are former according to abundance supply
It then designs, nitrogenous fertilizer selects urea, its amount of application is N 0.2g/kg soil；Potash fertilizer selects potassium sulfate, its amount of application is 0.3g
K2O/kg soil.Nitrogenous fertilizer, potash fertilizer are used as base manure disposably to mix and apply in 0~30cm soil.
Supplied P level is 0.10g P2O5/ kg, if 8 repetitions.Full uniform seed is selected, every column sows 30 Wheat Species
Son, seedling stage carry out thinning, and every basin finally stays 12 plants.
Utilization rate of nitrogen fertilizer is calculated according to following formula:
Phosphate fertilizer utilization efficiency=(apply phosphorus processing P uptake by plants-and do not apply phosphorus processing P uptake by plants)/phosphorus application amount × 100%].
Its test result is listed in Table 4 below.
Table 4: influence of the present invention phosphorus ammonium of synergistic carrier containing alginic acid to wheat yield and phosphate fertilizer utilization efficiency
| Processing | Grain yield (g/pot) | Phosphate fertilizer utilization efficiency (%) |
| P | 71.8 | 27.1 |
| A | 77.5 | 33.4 |
| B | 82 | 41.7 |
| C | 81 | 34.1 |
The result listed by table 4 it is found that compared with commercially available phosphorus ammonium, the present invention phosphorus ammonium of synergistic carrier containing alginic acid A, B, C's
Wheat yield averagely improves 11.7%, and phosphate fertilizer utilization efficiency improves 9.3%.
It can be seen that after alginic acid synergistic carrier prepared by the present invention is in conjunction with phosphorus ammonium, it can be significant by influencing fertilizer border pH
Slow down the fixation of phosphorus ammonium in alkaline soils, improves P availability, Available phosphate can also be supplemented.Promote crop root
Growth improves root activity, by enhancing Nutrient Absorption, improves phosphate fertilizer utilization efficiency.
Claims (10)
1. a kind of phosphorus ammonium preparation method containing alginic acid synergistic carrier suitable for basic soil, it is characterised in that the preparation method
The step of it is as follows:
A, prepared by alginic acid organic extractant
By 20~50 parts by weight hydramine, 5~10 parts by weight of lemon acid potassium, 5~10 parts by weight potassium salicylates and 5~10 parts by weight second
Glycol is added in the water that 1000~2000 parts by weight temperature are 60~70 DEG C, stirring and dissolving, cooling, and obtaining the alginic acid has
Machine extractant；
B, prepared by alginic acid extracting solution
100 parts by weight seawood meals are added to 800~1500 parts by weight in the alginic acid organic extractant that step A is obtained, so
Its temperature is gradually increased to 70~90 DEG C under stiring afterwards, and keeps 6~12h at this temperature, is then cooled to room temperature, from
Heart separation, sediment discard, and obtain the alginic acid extracting solution
C, prepared by alginic acid synergistic carrier
10~20 parts by weight benzene carboxylic acids, 5~10 parts by weight sulfonic acid and 0.02~0.05 parts by weight polyethylene glycol are added to 100 weights
Part is measured in the alginic acid extracting solution that step B is obtained, temperature 50 C is heated to, adds 2~3 parts by weight peroxidating diisopropyls
Benzene is then heated to 100 DEG C of temperature, reacts 60~120min at this temperature, adds 2~6 parts by weight of polyoxyethylene ethers,
Cooling, its pH value is adjusted to 4.5~5.5, obtains a kind of alginic acid synergistic carrier by used phosphate aqueous solution；
D, the phosphorus ammonium preparation of the synergistic carrier containing alginic acid
During existing production of ammonium phosphate, the obtained alginic acid synergistic carrier of 10~100 parts by weight step C is added to 1000 weights
It measures in part phosphoric acid washing liquid, is reacted in tubular reactor with liquefied ammonia, obtain the phosphorus ammonium of the synergistic carrier containing alginic acid.
2. phosphorus ammonium preparation method according to claim 1, it is characterised in that in step, the hydramine be it is a kind of or
A variety of hydramine selected from monoethanolamine, diethanol amine, triethanolamine or N methyldiethanol amine.
3. phosphorus ammonium preparation method according to claim 1, it is characterised in that in step, will be in 60~180rpm of revolving speed
Under conditions of the obtained solution of stirring and dissolving be cooled to 35 DEG C of temperature or less.
4. phosphorus ammonium preparation method according to claim 1, it is characterised in that in step, hydramine, potassium citrate, bigcatkin willow
The weight ratio of sour potassium, ethylene glycol and water is 28~42:6~9:6~9:6~9:1200~1800.
5. phosphorus ammonium preparation method according to claim 1, it is characterised in that in stepb, the seawood meal be brown alga,
The granularity of bulk kelp or yellow tang, the seawood meal is less than 2mm.
6. phosphorus ammonium preparation method according to claim 1, it is characterised in that in stepb, revolving speed 1000~
5~30min is centrifugated under the conditions of 5000rpm.
7. phosphorus ammonium preparation method according to claim 1, it is characterised in that in stepb, the benzene carboxylic acid is benzene first
Acid, phenylacetic acid, salicylic acid or acetylsalicylic acid.
8. phosphorus ammonium preparation method according to claim 1, it is characterised in that in step C, the sulfonic acid be benzene sulfonic acid,
Naphthalene sulfonic acids, methane sulfonic acid or tarine.
9. phosphorus ammonium preparation method according to claim 1, it is characterised in that in step C, the peroxophosphoric acid aqueous solution
Concentration is 1~5mol/L.
10. phosphorus ammonium preparation method according to claim 1, it is characterised in that, will after addition polyoxyethylene ether in step C
Its solution is cooled to 10~40 DEG C of temperature.
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| CN111777460A (en) * | 2020-07-17 | 2020-10-16 | 深圳万禾农业科技有限公司 | Full-water-soluble fertilizer suitable for saline-alkali soil and high-hardness water, and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274852A (en) * | 2013-06-17 | 2013-09-04 | 中国农业科学院农业资源与农业区划研究所 | Algae synergistic ammonium phosphate fertilizer and preparation method thereof |
| CN104478597A (en) * | 2014-12-16 | 2015-04-01 | 五洲丰农业科技有限公司 | Process for producing ureaformaldehyde slow release fertilizer with co-production of alginic acid liquid fertilizer |
| CN107337504A (en) * | 2017-06-13 | 2017-11-10 | 安徽奥利休闲农业发展有限公司 | Excellent magnet organic fertilizer material containing sodium alginate of a kind of retain water and nutrients and preparation method thereof |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103274852A (en) * | 2013-06-17 | 2013-09-04 | 中国农业科学院农业资源与农业区划研究所 | Algae synergistic ammonium phosphate fertilizer and preparation method thereof |
| CN104478597A (en) * | 2014-12-16 | 2015-04-01 | 五洲丰农业科技有限公司 | Process for producing ureaformaldehyde slow release fertilizer with co-production of alginic acid liquid fertilizer |
| CN107337504A (en) * | 2017-06-13 | 2017-11-10 | 安徽奥利休闲农业发展有限公司 | Excellent magnet organic fertilizer material containing sodium alginate of a kind of retain water and nutrients and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111777460A (en) * | 2020-07-17 | 2020-10-16 | 深圳万禾农业科技有限公司 | Full-water-soluble fertilizer suitable for saline-alkali soil and high-hardness water, and preparation method and application thereof |
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