CN105601445A - Preparation method of slow release fertilizer containing difurfurylidene triurethane and obtained slow release fertilizer - Google Patents
Preparation method of slow release fertilizer containing difurfurylidene triurethane and obtained slow release fertilizer Download PDFInfo
- Publication number
- CN105601445A CN105601445A CN201610135080.0A CN201610135080A CN105601445A CN 105601445 A CN105601445 A CN 105601445A CN 201610135080 A CN201610135080 A CN 201610135080A CN 105601445 A CN105601445 A CN 105601445A
- Authority
- CN
- China
- Prior art keywords
- preparation
- release fertilizer
- liquid
- slow release
- aldehyde
- 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.)
- Pending
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention belongs to the technical field of fertilizers, and particularly relates to a slow release fertilizer containing difurfurylidene triurethane and a preparation method thereof. The slow release fertilizer is prepared from, by weight, 28-32 parts of a product containing difurfurylidene triurethane, 0.1-0.3 part of gibberellin, 0.08-0.12 part of heteroauxin, 0.5-0.7 part of methionine and 50-70 parts of cyclodextrin. Furfural residues are utilized for preparing the slow release fertilizer, the slow release fertilizer contains abundant vitamins, xylogen and the like, organic substances are comprehensively utilized, waste materials are recycled, environmental pollution is reduced, and the economic added value is improved; the obtained slow release fertilizer is long in fertilizer efficiency, small in fertilizing amount and small in frequency, improves the soil quality and has the water retention effect.
Description
Technical field
The invention belongs to technical field of fertilizers, be specifically related to a kind of preparation side of the slow-release fertilizer that contains two furfurylidene three aldehyde ureasMethod and products obtained therefrom.
Background technology
Slow-release fertilizer, the compound that contains nutrient in its fertilizer in soil rate of release slowly or nutrient releasing speed canWith control to a certain extent for Crop utilization. This fertilizer have improve chemical fertilizer utilization ratio, reduce use amount withFertilizer application frequency, reduce production costs, reduce environmental pollution, improve the advantages such as crop products quality. Two furfurylidene three aldehyde ureas areA novel high-end endoplasm slow-release fertilizer, its great advantage is can be for plant provides nutrition, without inhaling in the time that plant absorbs nutrientAdopt timesharing, nutrient can be retained in soil and not run off, and improves the value of fertilizer. At present, about two furfurylidene three aldehydeThe report of urea is less.
Summary of the invention
For the problem of prior art existence, the invention provides a kind of system of the slow-release fertilizer that contains two furfurylidene three aldehyde ureasPreparation Method, slow-release fertilizer fertilizer efficiency prepared by the method is long, and dose is few and number of times is few, improves soil quality.
The technical scheme that the present invention adopted is to achieve these goals:
The preparation method who the invention provides a kind of slow-release fertilizer that contains two furfurylidene three aldehyde ureas, comprises the following steps:
(1) will in furfural dregs, add water to regulate water content to 40%, regulating pH value be 6.8-7.2, obtains liquid A;
(2) urea is soluble in water, regulates pH value to 7.2-8, then adds sucrose monoester, after stirring, obtains liquid B;
(3) 1/3 liquid A is added in liquid B, after stirring, then add remaining liquid A, be heated to 50-54 DEG C, insulation reaction35-40min, is then warming up to 65 DEG C, and insulation 20min, after reaction finishes, is cooled to room temperature, after oven dry, must contain two AsiasThe product of furfuryl group three aldehyde ureas;
(4) will in above-mentioned product, add gibberellin, heteroauxin, methionine and cyclodextrin, after stirring, granulation obtains slowRelease fertilizer.
Further, in step (1), the reagent of described adjusting pH value is that pH value is glycine-NaOH of 9.0-9.4Buffer solution.
Further, in step (2), the solid-liquid ratio of described urea and water is 1g:10ml.
Further, in step (2), it is that pH value is borax-borate buffer of 7.8-8.0 that described adjusting pH value obtains reagentLiquid.
Further, in step (2), the addition of described sucrose monoester accounts for 2% of weight of urea.
Further, in step (3), the mass ratio of described liquid A and liquid B is 1:4.
The concrete constituent content of slow-release fertilizer that the present invention utilizes said method to prepare is: contain two furfurylidene three aldehyde ureasProduct 28-32 part, gibberellin 0.1-0.3 part, heteroauxin 0.08-0.12 part, methionine 0.5-0.7 part, cyclodextrin 50-70 parts.
The slow-release fertilizer that contains two furfurylidene three aldehyde ureas preparing according to above-mentioned preparation method is also in protection of the present inventionWithin scope.
Advantage of the present invention and beneficial effect are:
(1) the present invention utilizes furfural dregs to prepare slow-release fertilizer, wherein contains abundant vitamin, lignin etc., and organic substance is enteredRow comprehensive utilization, turns waste into wealth, and reduces environmental pollution, increases its economic value added;
(2) the slow-release fertilizer fertilizer efficiency that prepared by the present invention is long, and dose is few and number of times is few, improves soil quality, has water conservation effect.
Detailed description of the invention
Below by specific embodiment, technical scheme of the present invention is done to further explaination.
Embodiment 1
A preparation method for the slow-release fertilizer that contains two furfurylidene three aldehyde ureas, concrete steps are:
(1) will in furfural dregs, add water to regulate water content to 40%, adding pH value be glycine-NaOH buffering of 9.0-9.4It is 6.8-7.2 that liquid regulates pH value, obtains liquid A;
(2) urea adds water according to solid-liquid ratio 1g:10ml, and adding pH value is borax-borate buffer adjusting pH value of 7.8-8.0To 7.2-8, then add the sucrose monoester that accounts for weight of urea 2%, after stirring, obtain liquid B;
(3) take liquid A and liquid B according to mass ratio 1:4, first 1/3 liquid A is added in liquid B, after stirring, then add surplusRemaining liquid A, is heated to 50-54 DEG C, and insulation reaction 35-40min, is then warming up to 65 DEG C, and insulation 20min is after reaction finishes, coldBut to room temperature, after oven dry, must contain the product of two furfurylidene three aldehyde ureas;
(4) take 30 parts of above-mentioned products, add 0.3 part of gibberellin, 0.08 part of heteroauxin, 0.5 part of methionine, cyclodextrin 65Part, after stirring, granulation obtains slow-release fertilizer.
Embodiment 2
A slow-release fertilizer that contains two furfurylidene three aldehyde ureas, preparation method is with embodiment 1, and the content of each composition is:
28 parts of the products that contains two furfurylidene three aldehyde ureas, 0.2 part of gibberellin, 0.10 part of heteroauxin, 0.7 part of methionine, ring70 parts, dextrin.
Embodiment 3
A slow-release fertilizer that contains two furfurylidene three aldehyde ureas, preparation method is with embodiment 1, and the content of each composition is:
32 parts of the products that contains two furfurylidene three aldehyde ureas, 0.1 part of gibberellin, 0.12 part of heteroauxin, 0.5 part of methionine, ring50 parts, dextrin.
Effect experiment
1. the slow-release fertilizer of being prepared by embodiment 1-3 utilizes soil eluviation method to simulate its nitrogen leaching rate, and concrete outcome, in table 1, is establishedPut blank group, blank group is urea.
Table 1
2. while the content of each component in the present invention being exceeded to scope provided by the invention, the output of crop improves not obvious, but becomesThis increase; The content of each component is during lower than scope provided by the invention, and crop yield reduces by 15% left and right.
3. the slow-release fertilizer of being prepared by embodiment of the present invention 1-3 is applied to Spring Peanut: choose four soil properties, fertility, ringThe Spring Peanut field of the consistent adjacent size such as border, uses slow-release fertilizer prepared by embodiment 1 for first; Use enforcement for secondSlow-release fertilizer prepared by example 2; Use slow-release fertilizer prepared by embodiment 3 for the 3rd; The 4th adopts the general of traditional plantation Spring PeanutLogical fertilizer; The use amount of fertilizer is 70kg/ mu; The P in soil H value on every ground is 7.0 left and right, and ultimate output is unitedMeter, specifically in table 2.
Table 2
Claims (8)
1. a preparation method who contains the slow-release fertilizer of two furfurylidene three aldehyde ureas, is characterized in that, comprises the following steps:
(1) will in furfural dregs, add water to regulate water content to 40%, regulating pH value be 6.8-7.2, obtains liquid A;
(2) urea is soluble in water, regulates pH value to 7.2-8, then adds sucrose monoester, after stirring, obtains liquid B;
(3) 1/3 liquid A is added in liquid B, after stirring, then add remaining liquid A, be heated to 50-54 DEG C, insulation reaction35-40min, is then warming up to 65 DEG C, and insulation 20min, after reaction finishes, is cooled to room temperature, after oven dry, must contain two AsiasThe product of furfuryl group three aldehyde ureas;
(4) will in above-mentioned product, add gibberellin, heteroauxin, methionine and cyclodextrin, after stirring, granulation obtains slowRelease fertilizer.
2. preparation method according to claim 1, is characterized in that, in step (1), the reagent of described adjusting pH value is PHValue is glycine-sodium hydrate buffer solution of 9.0-9.4.
3. preparation method according to claim 1, is characterized in that, in step (2), the solid-liquid ratio of described urea and water is1g：10ml。
4. preparation method according to claim 1, is characterized in that, in step (2), it is PH that described adjusting pH value obtains reagentValue is borax-borate buffer of 7.8-8.0.
5. preparation method according to claim 1, is characterized in that, in step (2), the addition of described sucrose monoester accounts for2% of weight of urea.
6. preparation method according to claim 1, is characterized in that, in step (3), and described liquid A and the total mass ratio of liquid BFor 1:4.
7. according to the preparation method described in claim 1-6 any one, it is characterized in that, the constituent content of described slow-release fertilizer is:Product 28-32 part of containing two furfurylidene three aldehyde ureas, gibberellin 0.1-0.3 part, heteroauxin 0.08-0.12 part, methionine0.5-0.7 part, cyclodextrin 50-70 part.
8. the slowly-releasing that contains two furfurylidene three aldehyde ureas preparing according to the preparation method described in claim 1-7 any oneFertile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135080.0A CN105601445A (en) | 2016-03-10 | 2016-03-10 | Preparation method of slow release fertilizer containing difurfurylidene triurethane and obtained slow release fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610135080.0A CN105601445A (en) | 2016-03-10 | 2016-03-10 | Preparation method of slow release fertilizer containing difurfurylidene triurethane and obtained slow release fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105601445A true CN105601445A (en) | 2016-05-25 |
Family
ID=55981875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610135080.0A Pending CN105601445A (en) | 2016-03-10 | 2016-03-10 | Preparation method of slow release fertilizer containing difurfurylidene triurethane and obtained slow release fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105601445A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111264115A (en) * | 2020-03-04 | 2020-06-12 | 山东省农业科学院农业资源与环境研究所 | Winter wheat topdressing-free fertilization method capable of improving soil fertility |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE684722A (en) * | 1965-07-28 | 1967-01-03 | ||
| DE1543903A1 (en) * | 1966-07-16 | 1970-07-09 | Veba Chemie Ag | Process for the production of condensation products |
| GB1310352A (en) * | 1969-05-23 | 1973-03-21 | Fisons Ltd | Foamed ureaaldehyde condensation product |
| CN104926444A (en) * | 2015-06-05 | 2015-09-23 | 宁夏共享生物化工有限公司 | Method for preparing slow/controlled release fertilizer by use of modified urea resin coating material |
-
2016
- 2016-03-10 CN CN201610135080.0A patent/CN105601445A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE684722A (en) * | 1965-07-28 | 1967-01-03 | ||
| DE1543903A1 (en) * | 1966-07-16 | 1970-07-09 | Veba Chemie Ag | Process for the production of condensation products |
| GB1310352A (en) * | 1969-05-23 | 1973-03-21 | Fisons Ltd | Foamed ureaaldehyde condensation product |
| CN104926444A (en) * | 2015-06-05 | 2015-09-23 | 宁夏共享生物化工有限公司 | Method for preparing slow/controlled release fertilizer by use of modified urea resin coating material |
Non-Patent Citations (1)
| Title |
|---|
| 宋学军，等: "尿素糠醛缩合物缓释化肥的研究", 《环境科学与技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111264115A (en) * | 2020-03-04 | 2020-06-12 | 山东省农业科学院农业资源与环境研究所 | Winter wheat topdressing-free fertilization method capable of improving soil fertility |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102180731B (en) | Polymer emulsion coated slow release fertilizer taking nanomaterial as carrier and preparation method thereof | |
| CN104030800A (en) | High-quality strawberry planting dedicated slow-release compound fertilizer | |
| CN102826890B (en) | Efficient polymorphous fertilizer special for vegetables and preparation method thereof | |
| CN107298609A (en) | It is a kind of to be suitable for long-term effect Rice Ecology special fertilizer that base is applied and preparation method thereof | |
| CN105330427A (en) | Fully-nutritional liquid fertilizer containing organic carbon and preparation method of fully-nutritional liquid fertilizer | |
| CN104177204A (en) | Long-effect slow release strawberry fertilizer and preparation method thereof | |
| CN104058846B (en) | A kind of highly effective slow releasing compound fertilizer containing Herba Boenninghauseniae | |
| CN104311368A (en) | Soil improved organic fertilizer for peanut planting and preparation method thereof | |
| CN107098746A (en) | A kind of capsicum Special compound microbial fertilizer and preparation method thereof | |
| CN104163728A (en) | Double-coated long-acting controlled-release fertilizer and preparation method thereof | |
| CN105000983A (en) | Biological humic acid compound fertilizer, and preparation and using methods thereof | |
| CN104058891A (en) | Microelement-rich compound coated fertilizer for crops and preparation method of compound coated fertilizer | |
| CN109503274A (en) | A kind of bacteria agent synergy inorganic fertilizer and preparation method thereof | |
| CN104478536A (en) | A microorganism composite ecological fertilizer and a preparing method thereof | |
| WO2017206743A1 (en) | Method for rapid manufacturing of novel micronutrient-containing urea | |
| CN104230542A (en) | Slow-release fertilizer for increasing apple yield and preparation method thereof | |
| CN109400391A (en) | A kind of dedicated humic acid type Controlled-release nitrogen potash fertilizer material of crop | |
| CN104163727A (en) | Polyglutamic-acid-containing resin-coated controlled-release fertilizer and preparation method thereof | |
| CN104109048A (en) | Composite coated fertilizer having multiple effects and preparation method thereof | |
| CN109734544A (en) | Dedicated ureaformaldehyde slow release fertilizer of rice side deep fertilizing and preparation method thereof | |
| CN104045483A (en) | Biological organic coated fertilizer for improving soil and preparation method thereof | |
| CN105503368A (en) | High tower biomass carbon-based fertilizer special for potatoes and preparation method of high tower biomass carbon-based fertilizer | |
| CN108440036A (en) | A kind of long-acting environment friendly composite fertilizer and preparation method thereof | |
| CN103224424A (en) | Sustained and controlled release composite fertilizer and preparation method thereof | |
| CN102424641A (en) | Corn slow-release fertilizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160525 |
|
| RJ01 | Rejection of invention patent application after publication |