CN110950700A - Preparation method of carbon-based efficient compound fertilizer - Google Patents
Preparation method of carbon-based efficient compound fertilizer Download PDFInfo
- Publication number
- CN110950700A CN110950700A CN201911417709.0A CN201911417709A CN110950700A CN 110950700 A CN110950700 A CN 110950700A CN 201911417709 A CN201911417709 A CN 201911417709A CN 110950700 A CN110950700 A CN 110950700A
- Authority
- CN
- China
- Prior art keywords
- parts
- mixing
- carbon
- mass ratio
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a preparation method of a carbon-based efficient compound fertilizer, and belongs to the technical field of carbon-based fertilizers. The invention uses weak acidic hot dipping liquid to soak and activate the pretreated kitchen waste, increases the activity of protein in the kitchen waste, improves the combination efficiency of radicals, is mixed with urea, accumulates more nitrogen-containing compounds, is blended and embedded with protein and fiber components, can be used as a fertilizer effect slow release carrier, enhances the fertilizer effect, is added with a lichen component to improve the affinity with soil, can stably chelate mineral nutrient ions in partial soil by matching with a fulvic acid component, is fixed in a plant rhizosphere area on the surface layer of the soil to prevent the precipitation and leaching of the mineral ions, can improve the utilization efficiency of the fertilizer, avoids the generation of mineral precipitates, and is beneficial to the persistence of the fertilizer effect. The invention solves the problems of poor fertilizer efficiency and low utilization rate of common carbon-based fertilizers, has obvious improvement effect and good application prospect.
Description
Technical Field
The invention relates to the technical field of carbon-based fertilizers, in particular to a preparation method of a carbon-based efficient compound fertilizer.
Background
The carbon-based fertilizer (tanjifei) is an ecological environment-friendly fertilizer prepared by adding organic matters or/and inorganic matters into biomass carbon serving as a matrix according to the characteristics of land in different areas, the growth characteristics of different crops and a scientific fertilization principle. The fertilizer is also called carbon-based fertilizer in the industry at present.
At present, the common carbon-based fertilizer has the main defects of low utilization rate and short fertilizer efficiency of the traditional inorganic fertilizer; meanwhile, a large amount of agricultural wastes (such as crop straws, branches, fruit peels and the like) in China are not effectively utilized, and an improper utilization mode causes no small environmental pollution. Therefore, agricultural wastes are fully utilized, and the development of a novel carbon-based fertilizer with lasting fertilizer efficiency and high utilization rate is necessary, and the novel carbon-based fertilizer has a good application prospect.
Disclosure of Invention
The invention aims to provide a preparation method of a carbon-based efficient compound fertilizer, which aims to solve the problems of poor fertilizer efficiency and low utilization rate of common carbon-based fertilizers.
In order to achieve the purpose, the invention provides the following technical scheme:
a preparation method of a carbon-based efficient compound fertilizer comprises the following steps:
(1) according to the mass ratio of 1: 5-9, mixing the pretreated kitchen waste and hot dipping liquid, preserving heat at 50-65 ℃, adding urea accounting for 15-25% of the mass of the pretreated kitchen waste and an additive accounting for 2-5% of the mass of the pretreated kitchen waste, pressurizing at 2.7-4.2 MPa, heating to 160-180 ℃, preserving heat, cooling, and performing reduced pressure evaporation to obtain a concentrate, washing the concentrate with an ethanol solution, collecting the washed matter, and performing freeze drying to obtain a freeze-dried material;
(2) taking 55-80 parts by weight of water, 20-30 parts by weight of freeze-dried material, 4-8 parts by weight of pentaerythritol and 1-3 parts by weight of auxiliary agent, stirring and mixing to obtain a mixture, taking the mixture, keeping the temperature and stirring at 110-130 ℃, cooling to 55-70 ℃, standing, filtering, collecting and drying a filter cake to obtain a base material, taking 80-100 parts by weight of base material, 30-35 parts by weight of polyvinyl alcohol, 5-8 parts by weight of toluene diisocyanate, 3-7 parts by weight of sodium methylene dinaphthalene sulfonate, 3-7 parts by weight of guar gum and 80-110 parts by weight of water, mixing at 40-55 ℃, keeping the temperature, stirring, adding 4-8% by weight of base material of N, N-dimethylformamide, mixing, and heating to 70-85 ℃ to obtain a reaction material;
(3) according to the mass parts, 45-60 parts of reaction materials, 12-20 parts of plant ash, 7-14 parts of lichen, 4-8 parts of fulvic acid and 3-6 parts of synergist are mixed and stirred, melted and granulated, and granules are collected, cooled and screened to obtain the carbon-based efficient compound fertilizer.
Further, the preparation of the pretreated kitchen waste in the step (1): taking the kitchen waste according to the mass ratio of 1: 7-13: 0.01, adding water and a surfactant, mixing and stirring, standing, filtering, collecting a filter cake, drying to obtain a dried substance, and taking the dried substance according to a mass ratio of 7-12: and 3, adding auxiliary materials and grinding to obtain the pretreated kitchen waste.
Further, the auxiliary materials: according to the mass ratio of 5-8: 2, mixing the soybean meal and alfalfa roots, crushing and sieving, collecting and sieving particles according to a mass ratio of 1: and 7-12, adding a ferric sulfate solution, mixing and stirring, filtering, collecting a filter cake, and drying to obtain the auxiliary material.
Further, the surfactant: and mixing sodium laureth sulfate and a surfactant according to the mass ratio of 2-5: 1 to obtain the surfactant.
Further, the hot dipping liquid in the step (1): according to the mass ratio of 3: 1-2: 15-24, mixing 1-ethyl-3-methyl-imidazole, ammonium chloride and water to obtain the hot immersion liquid.
Further, the additive in the step (1): and mixing sodium silicate and alumina according to the mass ratio of 6-10: 1 to obtain the catalyst.
Further, the synergist in the step (3): and mixing the diethylaminoethanol caproate and the sodium nitrophenolate in a mass ratio of 3-7: 1 to obtain the synergist.
Further, the melting temperature in the step (3) is 120-145 ℃, and the temperature during granulation is 65-80 ℃.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention takes the kitchen waste containing a large amount of protein and fiber components as raw materials, firstly uses a surfactant for activation and washing to remove partial grease, then is compounded and ground with auxiliary materials to mix the fiber and the protein components, wherein, in the preparation process of the auxiliary materials, the soybean meal and alfalfa roots are mechanically crushed to destroy tissues, partial rupture is generated on the surface of cell walls, active hydroxyl groups are exposed, and Fe in ferric sulfate solution is added3+Then canWith OH-Complexing, reducing the number of hydrophilic functional groups associated with water, avoiding the premature dispersion and loss of hydrophilicity, preventing the loss of the efficacy of fertilizer particles to a certain extent, ensuring the lasting fertilizer efficiency, and in addition, soaking and activating the pretreated kitchen waste by using a weakly acidic hot-dipping solution, increasing the activity of protein in the kitchen waste, improving the combination efficiency of groups, mixing the kitchen waste with urea, accumulating more nitrogen-containing compounds, blending and embedding the kitchen waste with protein and fiber components, and being capable of serving as a fertilizer efficiency slow-release carrier to enhance the fertilizer efficiency;
(2) according to the invention, through the action of polyvinyl alcohol, toluene diisocyanate, guar gum and the like, the polymer is polymerized into a macromolecular reaction material, the prepared freeze-dried material is wrapped, and finally, other nutrient components are embedded, so that the nutrient components of the compound fertilizer are concentrated by self strong adsorption, and the slow release effect is achieved, thus the compound fertilizer is very beneficial to the growth of crops, the release of fertilizer nutrients is delayed, and the loss of the fertilizer and soil nutrients is reduced; the diethylaminoethanol caproate in the synergist can cooperate with the sodium nitrophenolate to improve the nutrient utilization rate, promote the carbon and nitrogen metabolism of plants, enhance the absorption of the plants on water and fertilizer and the accumulation of dry matters, ensure that the slowly-released and retained nutrients can be smoothly circulated, add the lichen component to improve the affinity with the soil, cooperate with the fulvic acid component to stably chelate mineral nutrient ions in part of the soil, fix the plant rhizosphere area on the surface layer of the soil to prevent the mineral ions from being deposited and leached, improve the utilization rate of the fertilizer, avoid the generation of mineral precipitates and be beneficial to the persistence of the fertilizer efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A preparation method of a carbon-based efficient compound fertilizer specifically comprises the following steps:
(1) according to the mass ratio of 1: 5-9, mixing the pretreated kitchen waste and hot dipping liquid, preserving heat for 30-55 min at 50-65 ℃, adding urea accounting for 15-25% of the mass of the pretreated kitchen waste and an additive accounting for 2-5% of the mass of the pretreated kitchen waste, pressurizing at 2.7-4.2 MPa, heating to 160-180 ℃, preserving heat for 1-2 h, naturally cooling to room temperature, decompressing and evaporating to constant weight to obtain a concentrate, washing the concentrate for 2-4 times by using an ethanol solution with the volume fraction of 70%, collecting the washing, and freeze-drying to constant weight to obtain a freeze-dried material;
(2) taking 55-80 parts of water, 20-30 parts of freeze-dried materials, 4-8 parts of pentaerythritol and 1-3 parts of auxiliary agents, stirring and mixing for 30-55 min to obtain a mixture, taking the mixture, keeping the temperature of 110-130 ℃ and stirring for 2-4 h, naturally cooling to 55-70 ℃, standing for 1-3 h, filtering, collecting a filter cake, drying to obtain a base material, taking 80-100 parts of base material, 30-35 parts of polyvinyl alcohol, 5-8 parts of toluene diisocyanate, 3-7 parts of sodium methylene dinaphthalene sulfonate, 3-7 parts of guar gum and 80-110 parts of water by weight, mixing in a container, keeping the temperature for 2-4 h at 40-55 ℃, mixing and stirring, adding 4-8% of N, N-dimethylformamide by mass of the base material, mixing for 2-4 h, and heating to 70-85 ℃ to obtain a reaction material;
(3) according to the mass parts, 45-60 parts of reaction materials, 12-20 parts of plant ash, 7-14 parts of lichen, 4-8 parts of fulvic acid and 3-6 parts of synergist are mixed in a reaction kettle, and are magnetically stirred for 30-55 min at the speed of 500-800 r/min, and then the mixture is melted, granulated, collected into granules, cooled under negative pressure and screened, so that the carbon-based efficient compound fertilizer is obtained.
The preparation of the pretreated kitchen waste material comprises the following steps: taking the kitchen waste according to the mass ratio of 1: 7-13: 0.01, adding water and a surfactant, mixing and stirring for 30-55 min, standing for 1-2 h, filtering, collecting a filter cake, drying at 55-70 ℃ to obtain a dried substance, and taking the dried substance according to a mass ratio of 7-12: and 3, adding auxiliary materials into the mortar to grind for 1-2 hours to obtain the pretreated kitchen waste.
The auxiliary materials are as follows: according to the mass ratio of 5-8: 2, mixing the bean pulp and alfalfa roots, crushing the mixture in a crusher, sieving the crushed mixture by a sieve of 60 meshes, collecting sieved particles, and mixing the sieved particles according to a mass ratio of 1: and 7-12, adding 8% of ferric sulfate solution by mass, mixing and stirring for 40-60 min, filtering, collecting filter cakes, and drying to obtain the auxiliary material.
The surfactant: and mixing sodium laureth sulfate and a surfactant according to the mass ratio of 2-5: 1 to obtain the surfactant.
The hot immersion liquid: according to the mass ratio of 3: 1-2: 15-24, mixing 1-ethyl-3-methyl-imidazole, ammonium chloride and water to obtain the hot immersion liquid.
The additive is as follows: and mixing sodium silicate and alumina according to the mass ratio of 6-10: 1 to obtain the catalyst.
The synergist is as follows: and mixing the diethylaminoethanol caproate and the sodium nitrophenolate in a mass ratio of 3-7: 1 to obtain the synergist.
The melting temperature in the step (3) is 120-145 ℃, and the temperature during granulation is 65-80 ℃.
Example 1
A preparation method of a carbon-based efficient compound fertilizer specifically comprises the following steps:
(1) according to the mass ratio of 1: 5 mixing the pretreated kitchen waste and the hot dipping liquid, keeping the temperature for 30min at 50 ℃, adding urea accounting for 15% of the mass of the pretreated kitchen waste and additives accounting for 2% of the mass of the pretreated kitchen waste, pressurizing to 2.7MPa, heating to 160 ℃, keeping the temperature for 1h, naturally cooling to room temperature, decompressing and evaporating to constant weight to obtain a concentrate, washing the concentrate for 2 times by using an ethanol solution with the volume fraction of 70%, collecting the washed matter, and freeze-drying to constant weight to obtain a freeze-dried material;
(2) taking 55 parts of water, 20 parts of freeze-dried material, 4 parts of pentaerythritol and 1 part of auxiliary agent, stirring and mixing for 30min to obtain a mixed material, taking the mixed material, keeping the temperature and stirring for 2h at 110 ℃, naturally cooling to 55 ℃, standing for 1h, filtering, collecting and drying a filter cake to obtain a base material, taking 80 parts of base material, 30 parts of polyvinyl alcohol, 5 parts of toluene diisocyanate, 3 parts of sodium methylene dinaphthalene sulfonate, 3 parts of guar gum and 80-110 parts of water, putting into a container, mixing, keeping the temperature for 2h at 40 ℃, mixing and stirring, adding N, N-dimethylformamide with the mass being 4% of the base material, mixing for 2h, and heating to 70 ℃ to obtain a reaction material;
(3) according to the mass parts, 45 parts of reaction materials, 12 parts of plant ash, 7 parts of lichen, 4 parts of fulvic acid and 3 parts of synergist are mixed in a reaction kettle, and are magnetically stirred for 30min at 500r/min, melted and granulated, and granules are collected, cooled under negative pressure and screened to obtain the carbon-based efficient compound fertilizer.
The preparation of the pretreated kitchen waste material comprises the following steps: taking the kitchen waste according to the mass ratio of 1: 7: 0.01, adding water and a surfactant, mixing and stirring for 30min, standing for 1h, filtering, collecting a filter cake, drying at 55 ℃ to obtain a dried substance, and taking the dried substance according to a mass ratio of 7: and 3, adding auxiliary materials into the mortar for grinding for 1 hour to obtain the pretreated kitchen waste.
The auxiliary materials are as follows: according to the mass ratio of 5: 2, mixing the bean pulp and alfalfa roots, crushing the mixture in a crusher, sieving the crushed mixture by a sieve of 60 meshes, collecting sieved particles, and mixing the sieved particles according to a mass ratio of 1: and 7-12, adding 8% of ferric sulfate solution by mass, mixing and stirring for 40min, filtering, collecting filter cakes, and drying to obtain the auxiliary material.
The surfactant: and mixing the sodium laureth sulfate and the surfactant according to the mass ratio of 2:1 to obtain the surfactant.
The hot immersion liquid: according to the mass ratio of 3: 1: 15 mixing 1-ethyl-3-methyl-imidazole, ammonium chloride and water to obtain the hot immersion liquid.
The additive is as follows: mixing sodium silicate and alumina according to the mass ratio of 6:1 to obtain the catalyst.
The synergist is as follows: mixing the diethylaminoethanol caproate and the sodium nitrophenolate according to the mass ratio of 3:1 to obtain the synergist.
The melting temperature in the step (3) is 120 ℃, and the temperature during granulation is 65 ℃.
Example 2
A preparation method of a carbon-based efficient compound fertilizer specifically comprises the following steps:
(1) according to the mass ratio of 1: 9, mixing the pretreated kitchen waste and hot dipping liquid, keeping the temperature for 55min at 65 ℃, adding urea accounting for 25% of the mass of the pretreated kitchen waste and additives accounting for 5% of the mass of the pretreated kitchen waste, pressurizing to 4.2MPa, heating to 180 ℃, keeping the temperature for 2h, naturally cooling to room temperature, decompressing and evaporating to constant weight to obtain a concentrate, washing the concentrate for 4 times by using an ethanol solution with the volume fraction of 70%, collecting the washed matter, and freeze-drying to constant weight to obtain a freeze-dried material;
(2) taking 80 parts of water, 30 parts of freeze-dried material, 8 parts of pentaerythritol and 3 parts of auxiliary agent, stirring and mixing for 55min to obtain a mixed material, taking the mixed material, preserving heat and stirring for 4h at 130 ℃, naturally cooling to 70 ℃, standing for 3h, filtering, collecting and drying a filter cake to obtain a base material, taking 100 parts of base material, 35 parts of polyvinyl alcohol, 8 parts of toluene diisocyanate, 7 parts of sodium methylene dinaphthalene sulfonate, 7 parts of guar gum and 110 parts of water, putting into a container, mixing, preserving heat for 4h at 55 ℃, mixing and stirring, adding 8 mass percent of N, N-dimethylformamide of the base material, mixing for 4h, and heating to 85 ℃ to obtain a reaction material;
(3) according to the mass parts, 60 parts of reaction materials, 20 parts of plant ash, 14 parts of lichen, 8 parts of fulvic acid and 6 parts of synergist are mixed in a reaction kettle, magnetic stirring is carried out for 55min at 800r/min, melting and granulation are carried out, granules are collected, negative pressure cooling is carried out, and screening is carried out, thus obtaining the carbon-based efficient compound fertilizer.
The preparation of the pretreated kitchen waste material comprises the following steps: taking the kitchen waste according to the mass ratio of 1: 13: 0.01, adding water and a surfactant, mixing and stirring for 55min, standing for 2h, filtering, collecting a filter cake, drying at 55-70 ℃ to obtain a dried substance, and taking the dried substance according to a mass ratio of 12: and 3, adding auxiliary materials into the mortar for grinding for 2 hours to obtain the pretreated kitchen waste.
The auxiliary materials are as follows: according to the mass ratio of 8: 2, mixing the bean pulp and alfalfa roots, crushing the mixture in a crusher, sieving the crushed mixture by a sieve of 60 meshes, collecting sieved particles, and mixing the sieved particles according to a mass ratio of 1: 12 adding 8% of ferric sulfate solution, mixing and stirring for 60min, filtering, collecting filter cake, and drying to obtain the auxiliary material.
The surfactant: and mixing the sodium laureth sulfate and the surfactant according to the mass ratio of 5:1 to obtain the surfactant.
The hot immersion liquid: according to the mass ratio of 3: 2: and 24, mixing the 1-ethyl-3-methyl-imidazole, ammonium chloride and water to obtain the hot immersion liquid.
The additive is as follows: mixing sodium silicate and alumina according to the mass ratio of 10:1 to obtain the catalyst.
The synergist is as follows: mixing the diethylaminoethanol caproate and the sodium nitrophenolate according to the mass ratio of 7:1 to obtain the synergist.
The melting temperature in the step (3) is 145 ℃, and the temperature during granulation is 80 ℃.
Example 3
A preparation method of a carbon-based efficient compound fertilizer specifically comprises the following steps:
(1) according to the mass ratio of 1: 8, mixing the pretreated kitchen waste and the hot dipping liquid, preserving heat for 40min at 60 ℃, adding urea which accounts for 20% of the mass of the pretreated kitchen waste and additives which account for 3% of the mass of the pretreated kitchen waste, pressurizing to 3.2MPa, heating to 170 ℃, preserving heat for 1.2h, naturally cooling to room temperature, decompressing and evaporating to constant weight to obtain a concentrate, washing the concentrate for 3 times by using an ethanol solution with the volume fraction of 70%, collecting the washed matter, and freeze-drying to constant weight to obtain a freeze-dried material;
(2) taking 70 parts of water, 25 parts of freeze-dried material, 6 parts of pentaerythritol and 2 parts of auxiliary agent, stirring and mixing for 45min to obtain a mixed material, taking the mixed material, preserving heat and stirring for 3h at 120 ℃, naturally cooling to 60 ℃, standing for 2h, filtering, collecting and drying a filter cake to obtain a base material, taking 90 parts of base material, 32 parts of polyvinyl alcohol, 7 parts of toluene diisocyanate, 5 parts of sodium methylene dinaphthalene sulfonate, 5 parts of guar gum and 80 parts of water, putting into a container, mixing, preserving heat for 3h at 50 ℃, mixing and stirring, adding N, N-dimethylformamide with 6% of the mass of the base material, mixing for 3h, and heating to 80 ℃ to obtain a reaction material;
(3) according to the mass parts, 50 parts of reaction materials, 16 parts of plant ash, 12 parts of lichen, 6 parts of fulvic acid and 5 parts of synergist are mixed in a reaction kettle, and are magnetically stirred for 45min at 600r/min, melted and granulated, and granules are collected, cooled under negative pressure and screened to obtain the carbon-based efficient compound fertilizer.
The preparation of the pretreated kitchen waste material comprises the following steps: taking the kitchen waste according to the mass ratio of 1: 10: 0.01, adding water and a surfactant, mixing and stirring for 45min, standing for 1.2h, filtering, collecting a filter cake, drying at 60 ℃ to obtain a dried substance, and taking the dried substance according to a mass ratio of 10: and 3, adding auxiliary materials into the mortar to grind for 1.2h to obtain the pretreated kitchen waste.
The auxiliary materials are as follows: according to the mass ratio of 7: 2, mixing the bean pulp and alfalfa roots, crushing the mixture in a crusher, sieving the crushed mixture by a sieve of 60 meshes, collecting sieved particles, and mixing the sieved particles according to a mass ratio of 1: 8, adding 8% of ferric sulfate solution, mixing and stirring for 50min, filtering, collecting filter cakes and drying to obtain the auxiliary material.
The surfactant: and mixing the sodium laureth sulfate and the surfactant according to the mass ratio of 3:1 to obtain the surfactant.
The hot immersion liquid: according to the mass ratio of 3: 1.2: 18 mixing 1-ethyl-3-methyl-imidazole, ammonium chloride and water to obtain hot immersion liquid.
The additive is as follows: mixing sodium silicate and alumina according to the mass ratio of 8:1 to obtain the catalyst.
The synergist is as follows: mixing the diethylaminoethanol caproate and the sodium nitrophenolate according to the mass ratio of 5:1 to obtain the synergist.
The melting temperature in the step (3) is 135 ℃, and the temperature during granulation is 70 ℃.
Comparative example 1: compared with the embodiment 3, the kitchen waste is adopted to replace the pre-treated kitchen waste, and other raw materials and treatment processes are unchanged.
Comparative example 2: compared with the example 3, the auxiliary materials are lacked, and other raw materials and treatment processes are unchanged.
Comparative example 3: in contrast to example 3, the absence of hot dip, other raw materials and treatment processes were unchanged.
Comparative example 4: carbon-based compound fertilizer (main components of biochar, organic matters and nitrogen, phosphorus and potassium) is sold by a certain company in Shandong.
Comparative example 5: blank experiment (Rice, corn, soybean)
Fertilizer efficiency growth promotion test: 24 test intervals are taken in a test field with uniform soil, the carbon-based compound fertilizers provided in examples 1 to 3 and comparative examples 1 to 5 are applied to the test field intervals respectively for testing (the results of comparative example 5 are used as a comparison, and the growth rate is calculated), and the obtained crop yield growth rate is shown in table 1.
TABLE 1 growth promotion test results
As can be seen from Table 1, the fertilizer efficiency of the carbon-based efficient compound fertilizer provided in examples 1-3 is significantly higher than that of the compound fertilizer provided in comparative example 4; compared with the embodiment 3, the comparative example 1 adopts the kitchen waste to replace the pre-treated kitchen waste, other raw materials and treatment processes are unchanged, so that the fertilizer efficiency is reduced to a certain extent, but the comparative example 4 is still adopted; compared with the example 3, the comparative example 2 lacks auxiliary materials, other raw materials and treatment processes are unchanged, so that the fertilizer efficiency is reduced to a certain extent; comparative example 3 in comparison with example 3, the absence of hot-dip, other raw materials and treatment process were unchanged, so that the fertilizer efficiency was greatly reduced.
In conclusion, the carbon-based efficient compound fertilizer provided by the invention has good fertilizer efficiency and wide application prospect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference thereto is therefore intended to be embraced therein.
Claims (8)
1. A preparation method of a carbon-based efficient compound fertilizer is characterized by comprising the following steps:
(1) according to the mass ratio of 1: 5-9, mixing the pretreated kitchen waste and hot dipping liquid, preserving heat at 50-65 ℃, adding urea accounting for 15-25% of the mass of the pretreated kitchen waste and an additive accounting for 2-5% of the mass of the pretreated kitchen waste, pressurizing at 2.7-4.2 MPa, heating to 160-180 ℃, preserving heat, cooling, and performing reduced pressure evaporation to obtain a concentrate, washing the concentrate with an ethanol solution, collecting the washed matter, and performing freeze drying to obtain a freeze-dried material;
(2) taking 55-80 parts by weight of water, 20-30 parts by weight of freeze-dried material, 4-8 parts by weight of pentaerythritol and 1-3 parts by weight of auxiliary agent, stirring and mixing to obtain a mixture, taking the mixture, keeping the temperature and stirring at 110-130 ℃, cooling to 55-70 ℃, standing, filtering, collecting and drying a filter cake to obtain a base material, taking 80-100 parts by weight of base material, 30-35 parts by weight of polyvinyl alcohol, 5-8 parts by weight of toluene diisocyanate, 3-7 parts by weight of sodium methylene dinaphthalene sulfonate, 3-7 parts by weight of guar gum and 80-110 parts by weight of water, mixing at 40-55 ℃, keeping the temperature, stirring, adding 4-8% by weight of base material of N, N-dimethylformamide, mixing, and heating to 70-85 ℃ to obtain a reaction material;
(3) according to the mass parts, 45-60 parts of reaction materials, 12-20 parts of plant ash, 7-14 parts of lichen, 4-8 parts of fulvic acid and 3-6 parts of synergist are mixed and stirred, melted, granulated, collected, cooled and screened, and the carbon-based efficient compound fertilizer is obtained.
2. The preparation method of carbon-based high-efficiency compound fertilizer as claimed in claim 1, wherein the preparation of the kitchen waste pretreatment in the step (1): taking the kitchen waste according to the mass ratio of 1: 7-13: 0.01, adding water and a surfactant, mixing and stirring, standing, filtering, collecting a filter cake, drying to obtain a dried substance, and taking the dried substance according to a mass ratio of 7-12: and 3, adding auxiliary materials and grinding to obtain the pretreated kitchen waste.
3. The preparation method of the carbon-based high-efficiency compound fertilizer as claimed in claim 2, wherein the auxiliary materials are as follows: according to the mass ratio of 5-8: 2, mixing the soybean meal and alfalfa roots, crushing and sieving, collecting and sieving particles according to a mass ratio of 1: and 7-12, adding a ferric sulfate solution, mixing and stirring, filtering, collecting a filter cake, and drying to obtain the auxiliary material.
4. The preparation method of the carbon-based high-efficiency compound fertilizer as claimed in claim 2, wherein the surfactant: and mixing sodium laureth sulfate and a surfactant according to the mass ratio of 2-5: 1 to obtain the surfactant.
5. The method for preparing carbon-based high-efficiency compound fertilizer according to claim 1, wherein the heat immersion liquid in the step (1): according to the mass ratio of 3: 1-2: 15-24, mixing 1-ethyl-3-methyl-imidazole, ammonium chloride and water to obtain the hot immersion liquid.
6. The method for preparing carbon-based high-efficiency compound fertilizer according to claim 1, wherein the additive in the step (1): and mixing sodium silicate and alumina according to the mass ratio of 6-10: 1 to obtain the catalyst.
7. The method for preparing carbon-based high-efficiency compound fertilizer as claimed in claim 1, wherein the synergist in the step (3): and mixing the diethylaminoethanol caproate and the sodium nitrophenolate in a mass ratio of 3-7: 1 to obtain the synergist.
8. The preparation method of the carbon-based efficient compound fertilizer as claimed in claim 1, wherein the melting temperature in the step (3) is 120-145 ℃, and the temperature during the granulation is 65-80 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417709.0A CN110950700A (en) | 2019-12-31 | 2019-12-31 | Preparation method of carbon-based efficient compound fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911417709.0A CN110950700A (en) | 2019-12-31 | 2019-12-31 | Preparation method of carbon-based efficient compound fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110950700A true CN110950700A (en) | 2020-04-03 |
Family
ID=69985313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911417709.0A Withdrawn CN110950700A (en) | 2019-12-31 | 2019-12-31 | Preparation method of carbon-based efficient compound fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110950700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112425479A (en) * | 2020-12-08 | 2021-03-02 | 中国水稻研究所 | Rice carbon-based filter cake matrix and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703514A (en) * | 2012-05-24 | 2012-10-03 | 无锡丰陆环保科技有限公司 | Kitchen waste disposal method and anaerobic fermentation reaction device |
| CN104817383A (en) * | 2015-04-20 | 2015-08-05 | 广东大众农业科技股份有限公司 | Garden waste biomass charcoal-based compound fertilizer and preparation method thereof |
| CN104923552A (en) * | 2015-07-09 | 2015-09-23 | 青海洁神环境能源产业有限公司 | Method for sub-critical treatment of kitchen waste |
| CN106242704A (en) * | 2016-08-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | The preparation method of a kind of water-soluble humic acid inorganic compound fertilizer and using method |
| CN107698326A (en) * | 2017-10-26 | 2018-02-16 | 唐翔 | A kind of slow-release fertilizer and preparation method thereof |
| CN108114967A (en) * | 2017-12-20 | 2018-06-05 | 吴豪 | A kind of method that environmental protective soap and sustained release fertilizer are produced using kitchen garbage |
-
2019
- 2019-12-31 CN CN201911417709.0A patent/CN110950700A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102703514A (en) * | 2012-05-24 | 2012-10-03 | 无锡丰陆环保科技有限公司 | Kitchen waste disposal method and anaerobic fermentation reaction device |
| CN104817383A (en) * | 2015-04-20 | 2015-08-05 | 广东大众农业科技股份有限公司 | Garden waste biomass charcoal-based compound fertilizer and preparation method thereof |
| CN104923552A (en) * | 2015-07-09 | 2015-09-23 | 青海洁神环境能源产业有限公司 | Method for sub-critical treatment of kitchen waste |
| CN106242704A (en) * | 2016-08-30 | 2016-12-21 | 山东胜伟园林科技有限公司 | The preparation method of a kind of water-soluble humic acid inorganic compound fertilizer and using method |
| CN107698326A (en) * | 2017-10-26 | 2018-02-16 | 唐翔 | A kind of slow-release fertilizer and preparation method thereof |
| CN108114967A (en) * | 2017-12-20 | 2018-06-05 | 吴豪 | A kind of method that environmental protective soap and sustained release fertilizer are produced using kitchen garbage |
Non-Patent Citations (1)
| Title |
|---|
| 陈茂铨等: "《合成革工业溶剂二甲基甲酰胺、甲苯对木荷的生理效应》", 《中国农学通报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112425479A (en) * | 2020-12-08 | 2021-03-02 | 中国水稻研究所 | Rice carbon-based filter cake matrix and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103589435B (en) | For administering native regulatory agent of farmland soil heavy metals pollution and preparation method thereof | |
| CN104193539A (en) | Organic grape fertilizer with strong water-retaining and fertilizer-retaining capability and preparation method of organic grape fertilizer | |
| CN114890842B (en) | Environment-friendly slow-release phosphate fertilizer based on agricultural solid waste value-added utilization and preparation method thereof | |
| CN110790607A (en) | Acidic biochar fertilizer suitable for saline-alkali soil and preparation method thereof | |
| CN112094155B (en) | Synergistic phosphate fertilizer and preparation method and application thereof | |
| CN113214000A (en) | Composite microbial fertilizer and preparation method thereof | |
| CN110734339A (en) | fertilizer slow-release material with soil improvement function and preparation method and application thereof | |
| CN117209338B (en) | Ammonium polyphosphate type organic fertilizer containing amino acid and preparation method thereof | |
| CN112707763B (en) | Organic fertilizer with long-acting slow-release effect and preparation method thereof | |
| CN114276197A (en) | Method for producing synergistic fertilizer by using food waste | |
| CN110950700A (en) | Preparation method of carbon-based efficient compound fertilizer | |
| CN113024311A (en) | Boron-magnesium-calcium soil conditioner and preparation method thereof | |
| CN110028358B (en) | Coastal saline-alkali soil salt-control alkali-reduction soil improvement method based on dominant compatibility of controlled release fertilizer, plant immunity inducer and organic fertilizer | |
| CN112374948A (en) | Composite modifier for acid soil and preparation method thereof | |
| CN114736064B (en) | Microbial compound fertilizer and preparation method thereof | |
| CN114790393B (en) | Soil conditioner and preparation method and application thereof | |
| CN110483187B (en) | Tobacco powder biological organic fertilizer for inhibiting crop diseases and insect pests | |
| WO2022222357A1 (en) | Soil conditioner and preparation method therefor | |
| CN106116976A (en) | Jerusalem artichoke straw fertilizer and preparation method thereof | |
| CN101891529B (en) | Method for preparing microelement fertilizer | |
| CN111848309A (en) | Preparation method of biological fertilizer for konjak cultivation | |
| CN114195600B (en) | Organic-inorganic compound fertilizer granulating binder and preparation method and application thereof | |
| CN118439904B (en) | Biogas slurry fertilizer preparation process | |
| CN114538992B (en) | Efficient water-soluble microbial compound fertilizer | |
| CN118580130B (en) | Fly ash-based saline-alkali soil conditioner and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200403 |