CN105732129A - Production method for nanometer humic acid chelated zinc fertilizer - Google Patents
Production method for nanometer humic acid chelated zinc fertilizer Download PDFInfo
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- CN105732129A CN105732129A CN201610103349.7A CN201610103349A CN105732129A CN 105732129 A CN105732129 A CN 105732129A CN 201610103349 A CN201610103349 A CN 201610103349A CN 105732129 A CN105732129 A CN 105732129A
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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
- C05D9/02—Other inorganic fertilisers containing trace elements
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
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Abstract
The invention relates to a production method for nanometer humic acid chelated zinc fertilizer and belongs to the technical field of fertilizer manufacture. According to the method, a surfactant is added in cooperation with the high-speed stirring technique and the ultrasonic technique to perform nano-modification on humic acid; compared with ordinary humic acid, active groups and active loci of nanometer humic acid are exposed in a water solution more fully, the frequency of contact between humic acid and zinc ions can be effectively increased, and the chelating performance is greatly improved; besides, nanometer humic acid chelated zinc can be directly absorbed by the root system of a plant, so that the utilization rate of the fertilizer is increased; growth of the plant can be stimulated, and the crop yield can be increased. The method has the advantages that the production process is simple, operation is flexible, and production cost is low, and therefore the method has high superiority with respect to production processes and economy.
Description
Technical field
The present invention relates to the production method of a kind of nanometer of humic acid chelating zinc fertilizer, belong to technical field of fertilizer manufacture, what be specifically related to is the technical method manufacturing nanometer humic acid chelating zinc fertilizer with humic acids, zinc sulfate or zinc chloride for raw material.
Background technology
Zinc is one of required trace element of plant growing, is the constituent of more than the 80 kind of enzymes such as carbonic anhydrase, participates in the synthesis of auxin (IAA), promotes photosynthesis, and participates in synthesis and the cell division of protein.The soil erosion of China's zinc deficiency has reached 4860 × 104Ha, account for the whole nation cultivated area more than half.Zinc deficient soil executes zinc fertilizer, it is possible to overcoming the diseases such as Semen Maydis " white bud ", " stripe mosaic is sick ", Oryza sativa L. " seat pocket ", " stiff Seedling ", Fructus Mali pumilae, Citrus, peach tree " little leaf ", thus improving the growth and development state of crop, improving crop yield and quality.
Common zinc fertilizer includes Inorganic Zn fertilizer and organic zinc fertilizer.Inorganic Zn fertilizer includes zinc sulfate, basic zinc sulfate, zinc chloride, zinc oxide, zinc sulfide, zinc phosphate, basic zinc carbonate, zinc vitreous body etc..Although Inorganic Zn fertilizer price is relatively low; but very easily run off after using; range of application is narrower, inefficiency; it is unfavorable for Crop, and due to self alkaline reaction of soil and redox reaction, so as to form the hydroxide etc. of indissoluble; reduce its biologic activity; not only do not have the effect of trace element supplement, but also soil compaction can be caused, be unfavorable for environmental conservation and the sustainable development of agricultural；Organic zinc fertilizer includes lignin zinc carbonate, zinc naphthenate Emulsion and EDTA chelated zinc, humic acid chelating zinc, zinc-amino acid chelate etc., and wherein fertilizer of chelated zinc is not easily fixed in soil, and mobility and absorbance in plant are better than far away Inorganic Zn fertilizer.Both can individually use, it is possible to mix with other solid-state or liquid fertilizer and use, it is possible to as the raw material of Bulk Blending Fertilizer, and promote the utilization of other fertilizer.
Nano material refers to the size of its construction unit material between 1～100nm scope, nano material has the fundamental characteristics such as small-size effect, surface-interface effect, quantum size effect and quantum tunneling effect, obtains Preliminary Applications in new material, new forms of energy, biomedicine, space industry and agriculture field.Nanometer humic acids is by adopting the technology such as modern ultralow temperature, micronizing, hyperfiltration treatment that humic acids carries out nano modification, compared with common humic acids, active group and the avtive spot of nanometer humic acids are exposed more fully in aqueous, being effectively increased the contact frequency of humic acids and chelating ion, chelating ability is greatly improved；Additionally, the effective ingredient of nanometer humic acid chelating thing can easily penetrate in plant or animal body, participate in cell composition and metabolic process, produce good plant effect and biological effect.At present, the production method of nanometer humic acid chelating zinc and have not been reported for agricultural production as trace-element fertilizer.
Summary of the invention
Present invention aim at provide a kind of nanometer of humic acid chelating zinc fertilizer production method, for achieving the goal, the present invention by the following technical solutions:
(1) preparation of nitro humic acid: humic acid powder is broken to by 80 mesh sieves, the humic acids weighing certain mass is put in reactor A, add 40wt% salpeter solution, humic acids and salpeter solution mass ratio are 1:(0.3～0.5), carrying out aoxidizing and nitration reaction, the response time is 15～30min, after reaction terminates, filter, with water by insoluble matter washing to neutral；
(2) nitro humic acid is dissolved in aqueous slkali: insoluble matter is transferred to reactor B, and the mass ratio adding 4wt%NaOH solution, humic acids and sodium hydroxide solution is 1:10～15, and mixing speed is 300～500r/min, stirs 20～40min；
(3) preparation of chelated zinc and spray-drying process: regulating (2) gained pH value of solution with 1mol/L sulfuric acid solution is 6～8, add surfactant, high-speed stirred under ul-trasonic irradiation, mixing speed is 3000～5000r/min, ultrasonic frequency is 40kHz, 10wt% zinc sulfate or liquor zinci chloridi it is uniformly added into pump, the mass ratio of humic acids and zinc sulfate or zinc chloride is 1.2～5:1,30min adds complete, in reactor, solution temperature ranges is 50～90 DEG C, high-speed stirred 1～3h, obtains the suspension containing nanometer zinc humic acid；Carrying out spray drying under ul-trasonic irradiation, ultrasonic frequency is 40kHz, and inlet temperature is 180～200 DEG C, and leaving air temp is 80～100 DEG C, obtains a nanometer humic acid chelating zinc powder.
Described surfactant is: 1-isobutyl-3,5-dimethylhexylphosphoric acid potassium, 1-isobutyl-3,5-dimethylhexylphosphoric acid triethanolamine, Dodecyl Polyoxyethylene Ether sulfo group carboplatin acid esters disodium, polyoxyethylene 20 sorbitan monolaurate, one or more in polyoxyethylene 20 sorbitan monostearate carry out composite in proportion.
In the present invention make consumption be product quality the 0.1～0.8% of surfactant.
In the present invention, the Zn content of nanometer humic acid chelating zinc is between 2～16wt%.
Present invention process technology has the advantage that
1, the present invention finds a kind of new method producing nanometer humic acid chelating zinc fertilizer, utilizes this explained hereafter nanometer humic acid chelating zinc and has no report as trace-element fertilizer for agricultural production.
2, nanometer humic acid chelating zinc that the present invention produces, owing to humic acids is carried out nano modification, compared with common humic acids, its active group and avtive spot are exposed more fully in aqueous, being effectively increased the contact frequency of humic acids and zinc ion, chelating ability is greatly improved.
3 compared with common humic acid chelating zinc fertilizer, nanometer humic acid chelating zinc that the present invention produces, and size is little, and activity is high, it is possible to directly absorbed by root system of plant, thus improve utilization rate of fertilizer；Plant growing can also be stimulated, improve the activity of multiple enzyme in plant, improve crop yield.
4, present invention process has the advantage that production technology is simple, easy to operate, production cost is low.Therefore the present invention in production technology and economically all has greater advantage.
Equilibrium relation between the demand of zinc, nutrient reasonably should be used by the use of nanometer zinc humic acid according to soil characteristic, crop.Base fertilizer should be made use at topsoil, it is possible to npk fertilizer compounding application.
Soil zinc-supplying capacity can be divided into extremely low (<0.5mg/kg) by the content according to Soil Available Zinc, low (0.5mg/kg～1.0mg/kg), medium (1.1mg/kg～2.0mg/kg), high (2.1mg/kg～4.0mg/kg), high (>4.0mg/kg).Soil zinc-supplying capacity is medium and should execute a nanometer humic acid chelating zinc fertilizer below；The soil that particularly pH value is high, quality is low compared with sand or the content of organic matter, should use a nanometer humic acid chelating zinc fertilizer.
Base is executed: spread manuer in holes or row replacement as base manure after fully being mixed with chemical fertilizer or appropriate fine earth by nanometer zinc humic acid at seeding time.When using as base fertilizer, crop recommends consumption in Table 1.
Table 1: crop recommends consumption * (folding Znkg/hm2)
| Soil zinc-supplying capacity | To the extremely sensitive crop of zinc | To zinc sensitive crop | To the insensitive crop of zinc |
| Extremely low | 1.0 | 0.5～1 | 0.25～0.5 |
| Low | 0.5～1.0 | 0.25～0.5 | |
| Medium | 0.25～0.5 |
Detailed description of the invention
By following instance, the process of the present invention is described.But, example is not limitation of the present invention.
Example 1.
(1) preparation of nitro humic acid: be broken to humic acid powder by 80 mesh sieves, weighs 10kg humic acids and puts in reactor A, adds 3.2kg40wt% salpeter solution, carrying out aoxidizing and nitration reaction, the response time is 15min, after reaction terminates, filter, with water by insoluble matter washing to neutral；
(2) nitro humic acid is dissolved in aqueous slkali: insoluble matter is transferred to reactor B, adds 110kg4wt%NaOH solution, and mixing speed is 350r/min, and mixing time is 25min；
(3) preparation of chelated zinc and spray-drying process: regulating (2) gained pH value of solution with 1mol/L sulfuric acid solution is 6.5, add the mixture of 24.78g 1-isobutyl-3,5-dimethylhexylphosphoric acid potassium and 1-isobutyl-3,5-dimethylhexylphosphoric acid triethanolamine, both mass ratioes are 1:1, high-speed stirred under ul-trasonic irradiation, mixing speed is 3500r/min, ultrasonic frequency is 40kHz, it is uniformly added into 19.35kg10wt% solution of zinc sulfate with pump, this solution is prepared by zinc sulphate heptahydrate and water, 30min adds complete, in reactor, solution temperature ranges is 70 DEG C, high-speed stirred 1.5h, obtain containing a nanometer suspension for humic acid chelating zinc；Carrying out spray drying under ul-trasonic irradiation, ultrasonic frequency is 40kHz, and inlet temperature is 180 DEG C, and leaving air temp is 90 DEG C, obtains 7.08kg nanometer of humic acid chelating zinc powder, and Zn content is 4wt%.
Example 2.
(1) preparation of nitro humic acid: be broken to humic acid powder by 80 mesh sieves, weighs 20kg humic acids and puts in reactor A, adds 7.2kg40wt% salpeter solution, carrying out aoxidizing and nitration reaction, the response time is 20min, after reaction terminates, filter, with water by insoluble matter washing to neutral；
(2) nitro humic acid is dissolved in aqueous slkali: insoluble matter is transferred to reactor B, adds 250kg4wt%NaOH solution, and mixing speed is 300r/min, and mixing time is 30min；
(3) preparation of chelated zinc and spray-drying process: regulating (2) gained pH value of solution with 1mol/L sulfuric acid solution is 7.0, add 69.21g Dodecyl Polyoxyethylene Ether sulfo group carboplatin acid esters disodium, high-speed stirred under ul-trasonic irradiation, mixing speed is 3200r/min, ultrasonic frequency is 40kHz, it is uniformly added into 68.18kg10wt% solution of zinc sulfate with pump, this solution is prepared by zinc sulfate monohydrate and water, 30min adds complete, in reactor, solution temperature ranges is 80 DEG C, high-speed stirred 2.5h, obtains containing a nanometer suspension for humic acid chelating zinc；Carrying out spray drying under ul-trasonic irradiation, ultrasonic frequency is 40kHz, and inlet temperature is 190 DEG C, and leaving air temp is 90 DEG C, obtains 15.38kg nanometer of humic acid chelating zinc powder, and Zn content is 9wt%.
Example 3.
(1) preparation of nitro humic acid: be broken to humic acid powder by 80 mesh sieves, weighs 50kg humic acids and puts in reactor A, adds 23kg40wt% salpeter solution, carrying out aoxidizing and nitration reaction, the response time is 25min, after reaction terminates, filter, with water by insoluble matter washing to neutral；
(2) nitro humic acid is dissolved in aqueous slkali: insoluble matter is transferred to reactor B, adds 650kg4wt%NaOH solution, and mixing speed is 450r/min, and mixing time is 40min；
(3) preparation of chelated zinc and spray-drying process: regulating (2) gained pH value of solution with 1mol/L sulfuric acid solution is 7.5, add 286g 1-isobutyl-3,5-dimethylhexylphosphoric acid triethanolamine, the mixture of polyoxyethylene 20 sorbitan monolaurate and polyoxyethylene 20 sorbitan monostearate, three's mass ratio is 1:1:2, high-speed stirred under ul-trasonic irradiation, mixing speed is 4000r/min, ultrasonic frequency is 40kHz, it is uniformly added into 221.4kg10wt% liquor zinci chloridi with pump, 30min adds complete, in reactor, solution temperature is 80 DEG C, high-speed stirred 3h, obtain containing a nanometer suspension for humic acid chelating zinc；Carrying out spray drying under ul-trasonic irradiation, ultrasonic frequency is 40kHz, and inlet temperature is 190 DEG C, and leaving air temp is 100 DEG C, obtains 44kg nanometer of humic acid chelating zinc powder, and Zn content is 15wt%.
Claims (2)
1. the production method of one kind of nanometer of humic acid chelating zinc fertilizer, it is characterised in that its preparation process is:
(1) preparation of nitro humic acid: humic acid powder is broken to by 80 mesh sieves, the humic acids weighing certain mass is put in reactor A, add 40wt% salpeter solution, humic acids and salpeter solution mass ratio are 1:(0.3～0.5), carrying out aoxidizing and nitration reaction, the response time is 15～30min, after reaction terminates, filter, with water by insoluble matter washing to neutral；
(2) nitro humic acid is dissolved in aqueous slkali: insoluble matter is transferred to reactor B, and the mass ratio adding 4wt%NaOH solution, humic acids and sodium hydroxide solution is 1:10～15, and mixing speed is 300～500r/min, stirs 20～40min；
(3) preparation of chelated zinc and spray-drying process: regulating (2) gained pH value of solution with 1mol/L sulfuric acid solution is 6～8, add surfactant, high-speed stirred under ul-trasonic irradiation, mixing speed is 3000～5000r/min, ultrasonic frequency is 40kHz, 10wt% zinc sulfate or liquor zinci chloridi it is uniformly added into pump, the mass ratio of humic acids and zinc sulfate or zinc chloride is 1.2～5:1,30min adds complete, in reactor, solution temperature ranges is 50～90 DEG C, high-speed stirred 1～3h, obtains the suspension containing nanometer zinc humic acid；Carrying out spray drying under ul-trasonic irradiation, ultrasonic frequency is 40kHz, and inlet temperature is 180～200 DEG C, and leaving air temp is 80～100 DEG C, obtains a nanometer humic acid chelating zinc powder, and Zn content is adjustable between 2～16wt%；
Described surfactant is: 1-isobutyl-3,5-dimethylhexylphosphoric acid potassium, 1-isobutyl-3,5-dimethylhexylphosphoric acid triethanolamine, Dodecyl Polyoxyethylene Ether sulfo group carboplatin acid esters disodium, polyoxyethylene 20 sorbitan monolaurate, one or more in polyoxyethylene 20 sorbitan monostearate carry out composite in proportion.
2. a production method for as claimed in claim 1 nanometer of humic acid chelating zinc fertilizer, make consumption be product quality the 0.1～0.8% of described surfactant.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771746A (en) * | 2019-10-28 | 2020-02-11 | 高安华达牧业有限公司 | Animal feed additive and feed containing same |
| CN112299915A (en) * | 2020-11-23 | 2021-02-02 | 安徽儒商生物科技有限公司 | Zinc humic acid long-acting formula fertilizer and preparation method thereof |
| CN113662009A (en) * | 2021-08-03 | 2021-11-19 | 青岛苏贝尔作物营养有限公司 | Seed treating agent and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101225005A (en) * | 2008-02-01 | 2008-07-23 | 山东省林业科学研究院 | Humic acid slowly available fertilizer and preparation method thereof |
| CN101768031A (en) * | 2009-12-30 | 2010-07-07 | 马增禄 | Preparation method of humic acid organic fertilizer |
| CN101798246A (en) * | 2010-03-16 | 2010-08-11 | 陕西鼎华慧农生物科技有限公司 | Water-soluble fertilizer by complexing humic acid with plurality of nutrient elements and preparation method thereof |
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2016
- 2016-02-25 CN CN201610103349.7A patent/CN105732129A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101225005A (en) * | 2008-02-01 | 2008-07-23 | 山东省林业科学研究院 | Humic acid slowly available fertilizer and preparation method thereof |
| CN101768031A (en) * | 2009-12-30 | 2010-07-07 | 马增禄 | Preparation method of humic acid organic fertilizer |
| CN101798246A (en) * | 2010-03-16 | 2010-08-11 | 陕西鼎华慧农生物科技有限公司 | Water-soluble fertilizer by complexing humic acid with plurality of nutrient elements and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110771746A (en) * | 2019-10-28 | 2020-02-11 | 高安华达牧业有限公司 | Animal feed additive and feed containing same |
| CN112299915A (en) * | 2020-11-23 | 2021-02-02 | 安徽儒商生物科技有限公司 | Zinc humic acid long-acting formula fertilizer and preparation method thereof |
| CN113662009A (en) * | 2021-08-03 | 2021-11-19 | 青岛苏贝尔作物营养有限公司 | Seed treating agent and preparation method and application thereof |
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Application publication date: 20160706 |