CN110423148A - A method of amino acid Water soluble fertilizer is prepared using High-Mg phosphate tailings - Google Patents
A method of amino acid Water soluble fertilizer is prepared using High-Mg phosphate tailings Download PDFInfo
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- CN110423148A CN110423148A CN201811424286.0A CN201811424286A CN110423148A CN 110423148 A CN110423148 A CN 110423148A CN 201811424286 A CN201811424286 A CN 201811424286A CN 110423148 A CN110423148 A CN 110423148A
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- amino acid
- phosphate tailings
- soluble fertilizer
- water soluble
- concentrate
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of methods for preparing amino acid Water soluble fertilizer using High-Mg phosphate tailings, comprising the following steps: S1, the 40%-60% that amino acid waste liquid is concentrated into original volume obtain amino acid concentrate through decoloration, and amino acid content is in 8%-15% in amino acid waste liquid；S2, by amino acid concentrate under condition of heating and stirring with inorganic acid for adjusting pH value to 2.5-4.5, the temperature of amino acid concentrate is controlled at 55-95 DEG C；S3, High-Mg phosphate tailings are added into the amino acid concentrate for having adjusted pH, High-Mg phosphate tailings are that 1:4-8 feeds intake according to the weight ratio of High-Mg phosphate tailings and amino acid concentrate in reaction kettle, then room temperature filtering is down to after constant temperature stirring 4-8h, filtrate and filter residue are obtained, filtrate obtains the amino acid Water soluble fertilizer containing middle microelement after filling.The quality of Water soluble fertilizer containing amino acid that this method is produced is good, and added value is high, fully meets related fertilizer standard requirements.
Description
Technical field
The present invention relates to chemical industry fertilizer field, in particular to a kind of side that amino acid Water soluble fertilizer is prepared using High-Mg phosphate tailings
Method.
Background technique
Phosphor resource is the basis for ensureing national food security production as a kind of non-renewable nonmetallic quarry.Generation
Boundary's phosphor resource tends to dilution by chronically exploitation, and high-grade phosphorus ore gradually decreases.Phosphorus tailing is that phosphorus ore raw ore sorts as essence
Byproduct after mine, the metallic elements such as a large amount of magnesium contained therein, calcium constituent and a small amount of iron, aluminium are all good plant nutrients.
Element valuable in phosphorus tailing is recycled, high-end water-soluble fertilizer is processed into, is met " minimizing, innoxious, sharp again
With, recycling " comprehensive utilization principle, with good economic efficiency and social effect.
Rational exploitation and utilization phosphorus tailing can accumulate land occupation to avoid it and to the pollution of ecological environment, realize waste resource
Secondary use reduces the wasting of resources.Such as CN106365747A discloses a kind of method that phosphorus tailing directly produces compound fertilizer,
CN101747090A discloses a kind of method for preparing calcium magnesium phosphate using phosphate ore flotation tailings blast furnace process, and CN102408264A is public
A kind of organic fertilizer and preparation method thereof using waste phosphate tailing powder preparation is opened, CN104326771A discloses a kind of utilization
The method that phosphorus tailing prepares nitric acid ca and mg fertilizer, CN101618981 disclose a kind of utilization high magnesium mine tailings of phosphorus spoil reclaming by-product
The method for producing phosphorus magnesium compound fertilizer, CN101747091A disclose one kind and prepare calcium by raw material cyclone furnace method of phosphorus ore floating washing tailing
The method of magnesium-phosphorus fertilizer, CN102584389A disclose a kind of preparation method of phosphorus-containing organic compound fertilizer, and CN102557834A is disclosed
A kind of method using phosphorite tailings production composite fertilizer fillers, CN104387121A disclose a kind of side for preparing phosphorus fertiliser containing magnesium
Method, CN104860287A disclose a kind of method for preparing ammonium magnesium phosphate and ammonium nitrate magnesium using phosphorus tailing.The above phosphorus tailing is comprehensive
The most operating process complexity of the research utilized, the high requirements on the equipment are closed, energy consumption is high, it is difficult to be applied to actual industrial production.
In view of the problems of the existing technology, in line with comprehensive utilization of resources and saving production cost, the present inventor is ground by experiment
Study carefully and analyze, completes the present invention.
Summary of the invention
The object of the present invention is to provide it is a kind of using phosphorus tailing production amino acid water-soluble fertilizer method, using phosphorus tailing with
Amino acid waste liquid reaction, produces amino acid water-soluble fertilizer, efficiently solves the global questions such as the accumulation of phosphorus tailing, pollution environment,
Non-renewable resources are made full use of, are turned waste into wealth, the comprehensive utilization ratio of phosphorus ore associated resources is improved；What the technique was produced contains
Amino acid water-soluble fertilizer quality is good, and added value is high, fully meets related fertilizer standard requirements.
To achieve the above object, the technical solution adopted by the present invention are as follows:
A method of amino acid Water soluble fertilizer is prepared using High-Mg phosphate tailings, comprising the following steps:
Then S1, the 40%-60% that amino acid waste liquid is concentrated into original volume obtain amino acid concentrate, the amino through decoloration
Amino acid content is in 8%-15% in acid waste liquid；
S2, by amino acid concentrate obtained in S1 under condition of heating and stirring with inorganic acid for adjusting pH value to 2.5-4.5, amino
The temperature of sour concentrate is controlled at 55-95 DEG C；
S3, it has been adjusted into S2 in the amino acid concentrate of pH High-Mg phosphate tailings is added, High-Mg phosphate tailings are according to High-Mg phosphate tailings
Weight ratio with amino acid concentrate in reaction kettle is that 1:4-8 feeds intake, and is then down to room temperature filtering after constant temperature stirring 4-8h,
Filtrate and filter residue are obtained, filtrate obtains the amino acid Water soluble fertilizer containing middle microelement after filling.
Inorganic acid described in S2 is one or more of phosphoric acid, sulfuric acid, hydrochloric acid, nitric acid.
The fineness of High-Mg phosphate tailings described in S3 crosses 100 mesh Tyler screens, content of magnesia in High-Mg phosphate tailings for 95% or more
It is not less than 28% not less than 15%, calcium oxide content.
Advantages of the present invention: being reacted using High-Mg phosphate tailings with amino acid waste liquid, is produced amino acid water-soluble fertilizer, is effectively solved
It has determined High-Mg phosphate tailings accumulation, the pollution global questions such as environment, has made full use of non-renewable resources, turn waste into wealth, improve phosphorus
The comprehensive utilization ratio of mine associated resources；The quality of Water soluble fertilizer containing amino acid that this method is produced is good, and added value is high, fully meets
Related fertilizer standard requirements.
Specific embodiment
A method of amino acid Water soluble fertilizer is prepared using High-Mg phosphate tailings, comprising the following steps:
Then S1, the 40%-60% that amino acid waste liquid is concentrated into original volume obtain amino acid concentrate, the amino through decoloration
Acid waste liquid includes a variety of amino acid such as glutamic acid, glycine, asparatate, and amino acid content is in 8%- in amino acid waste liquid
15%；
S2, by amino acid concentrate obtained in S1 under condition of heating and stirring with inorganic acid for adjusting pH value to 2.5-4.5, amino
The temperature of sour concentrate is controlled at 55-95 DEG C；
S3, addition High-Mg phosphate tailings in the amino acid concentrate of pH have been adjusted into S2, and (fineness of High-Mg phosphate tailings is 95% or more
100 mesh Tyler screens are crossed, in High-Mg phosphate tailings 28%) content of magnesia is not less than not less than 15%, calcium oxide content, High-Mg phosphate tailings
Weight ratio according to High-Mg phosphate tailings and amino acid concentrate in reaction kettle is that 1:4-8 feeds intake, and then constant temperature stirs 4-8h
After be down to room temperature filtering, obtain filtrate and filter residue, filtrate obtains the amino acid Water soluble fertilizer containing middle microelement after filling.
According to above-mentioned filtrate result of laboratory test and amino acid Water soluble fertilizer (moderate-element type) liquid product technical indicator want
It asks, the nutritional ingredients such as a small amount of amino acid or calcium, magnesium can be added into filtrate.
According to crop nutrition content and functional requirements, the present invention can also add micronutrient fertiliser, corruption into filtrate
Grow acid, alginic acid, plant growth regulator or pesticide.The micronutrient fertiliser be copper, manganese, zinc, iron, boron, molybdenum, sodium or
The inorganic water-soluble salt or organic water dissolved salt or organic chelate of nickel, these nutrient salt or chelate are all technical field of fertilizers
Usually used, in current market sales of product.The plant growth regulator is ethylene, methyl α-naphthyl acetate, chloropyuril, multiple nitre
Phenol sodium, brassin, 6- benzylaminopurine.Other than above-mentioned plant growth regulator, all composite plant growing demands and ring
The plant growth regulator that border requires may be used to the present invention, these plant growth regulator are also in protection scope of the present invention
Within.Those skilled in the art of the present technique can be according to plant growth stage and plant growth situation to these plant growth regulator
And its dosage is adjusted.Plant growth regulator used in the present invention is all that technical field of fertilizers is usually used, in mesh
Preceding product available on the market.The pesticide is organic phosphates, organic nitrogen, carbamates, organic sulfur class, amides kill
Worm agent, fungicide or herbicide.Other than above-mentioned pesticide, all other pesticides for meeting plant growth requirement can be used for this
Invention, these pesticides are also all within the scope of the present invention.Those skilled in the art of the present technique can be according to crop disease and insect calamity
Feelings carry out selection adjustment to these pesticides and its dosage.Pesticide used in the present invention is all that technical field of fertilizers is usually used
, in current market sales of product.
<embodiment 1>
600 grams of amino acid waste liquid are taken, the 40%-60% of original volume is concentrated into, then amino acid concentrate is obtained through decoloration, with 10%
Dilute hydrochloric acid adjusts pH value to 3.0, is placed in thermostat water bath is warming up to 80-85 DEG C under stiring, be slowly added to 100 grams high magnesium phosphorus
Tailing, constant temperature are taken out after stirring 6 hours, are cooled to room temperature and filtrate is obtained by filtration.Analyze filtrate component: free aminoacid content
116g/L, Ca16.5g/L, Mg26.8g/L, pH value 4.2, water-insoluble 2.3g/L, each component content meets amino acid in filtrate
Water-soluble fertilizer (moderate-element type) liquid product technical indicator.
<embodiment 2>
600 grams of amino acid waste liquid are taken, the 40%-60% of original volume is concentrated into, then amino acid concentrate is obtained through decoloration, with 10%
Dust technology adjusts pH value to 3.5, is placed in thermostat water bath is warming up to 85-90 DEG C under stiring, be slowly added to 120 grams high magnesium phosphorus
Tailing, constant temperature are taken out after stirring 5 hours, are cooled to room temperature and filtrate is obtained by filtration.Analyze filtrate component: free aminoacid content
128g/L, Ca23.4g/L, Mg21.6g/L, pH value 4.6, water-insoluble 3.1g/L, each component content meets amino acid in filtrate
Water-soluble fertilizer (moderate-element type) liquid product technical indicator.
<embodiment 3>
800 grams of amino acid waste liquid are taken, the 40%-60% of original volume is concentrated into, then amino acid concentrate is obtained through decoloration, with 10%
Dust technology adjusts pH value to 4.0, is placed in thermostat water bath is warming up to 90-95 DEG C under stiring, be slowly added to 150 grams high magnesium phosphorus
Tailing, constant temperature are taken out after stirring 5 hours, are cooled to room temperature and filtrate is obtained by filtration.Analyze filtrate component: free aminoacid content
114g/L, Ca18.4g/L, Mg17.6g/L, pH value 5.1, water-insoluble 3.4g/L, each component content meets amino acid in filtrate
Water-soluble fertilizer (moderate-element type) liquid product technical indicator.
Claims (3)
1. a kind of method for preparing amino acid Water soluble fertilizer using High-Mg phosphate tailings, it is characterised in that the following steps are included:
Then S1, the 40%-60% that amino acid waste liquid is concentrated into original volume obtain amino acid concentrate, the amino through decoloration
Amino acid content is in 8%-15% in acid waste liquid；
S2, by amino acid concentrate obtained in S1 under condition of heating and stirring with inorganic acid for adjusting pH value to 2.5-4.5, amino
The temperature of sour concentrate is controlled at 55-95 DEG C；
S3, it has been adjusted into S2 in the amino acid concentrate of pH High-Mg phosphate tailings is added, High-Mg phosphate tailings are according to High-Mg phosphate tailings
Weight ratio with amino acid concentrate in reaction kettle is that 1:4-8 feeds intake, and is then down to room temperature filtering after constant temperature stirring 4-8h,
Filtrate and filter residue are obtained, filtrate obtains the amino acid Water soluble fertilizer containing middle microelement after filling.
2. a kind of method for preparing amino acid Water soluble fertilizer using High-Mg phosphate tailings according to claim 1, it is characterised in that
Inorganic acid described in S2 is one or more of phosphoric acid, sulfuric acid, hydrochloric acid, nitric acid.
3. a kind of method for preparing amino acid Water soluble fertilizer using High-Mg phosphate tailings according to claim 1, it is characterised in that
The fineness of High-Mg phosphate tailings described in S3 crosses 100 mesh Tyler screens for 95% or more, and content of magnesia is not less than in High-Mg phosphate tailings
15%, calcium oxide content is not less than 28%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811424286.0A CN110423148A (en) | 2018-11-27 | 2018-11-27 | A method of amino acid Water soluble fertilizer is prepared using High-Mg phosphate tailings |
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| CN201811424286.0A CN110423148A (en) | 2018-11-27 | 2018-11-27 | A method of amino acid Water soluble fertilizer is prepared using High-Mg phosphate tailings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736061A (en) * | 2022-04-29 | 2022-07-12 | 湖北艾迪普生物科技有限公司 | Method for producing compound fertilizer by using phosphate rock tailings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114736061A (en) * | 2022-04-29 | 2022-07-12 | 湖北艾迪普生物科技有限公司 | Method for producing compound fertilizer by using phosphate rock tailings |
| CN114736061B (en) * | 2022-04-29 | 2024-01-30 | 湖北艾迪普生物科技有限公司 | Method for producing compound fertilizer by using phosphate ore tailings |
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Application publication date: 20191108 |