CN106748307A - A kind of biodegradable biomass carbon based slow-release fertilizer and preparation method thereof - Google Patents
A kind of biodegradable biomass carbon based slow-release fertilizer and preparation method thereof Download PDFInfo
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- CN106748307A CN106748307A CN201710092964.7A CN201710092964A CN106748307A CN 106748307 A CN106748307 A CN 106748307A CN 201710092964 A CN201710092964 A CN 201710092964A CN 106748307 A CN106748307 A CN 106748307A
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- Prior art keywords
- biomass carbon
- soil
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- release fertilizer
- carbon based
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of biodegradable biomass carbon based slow-release fertilizer, and its preparation technology, it is characterised in that with rice straw, urea, kaolin, itaconic acid, acrylamide, ammonium ceric nitrate, attapulgite, N, N,Methylene-bisacrylamide, bentonite, humic acid, zeolite, bacillus, shitosan, glycerine, Span80, atoleine, glutaraldehyde etc. are raw material.The present invention with ammonium ceric nitrate as initiator, with N, N,Methylene-bisacrylamide is crosslinking agent, and itaconic acid is prepared for a kind of composite highly-absorbent resin with acrylic amide graft copolymerization, and with good water holding capacity, the addition of attapulgite improves the salt-resistance of high hydroscopic resin.Bentonite can improve soil texture, improve water conservation drought resisting, the fertilizer conservation getting fat ability of soil；It is combined with humic acid, zeolite, bacillus and is prepared for soil conditioner, can be used to adjust soil acidity or alkalinity, buffering soil value, and then improve crop yield.
Description
Technical field
The present invention relates to fertilizer field, and in particular to a kind of biodegradable biomass carbon based slow-release fertilizer, and its system
Standby technique.
Background technology
China is agricultural production big country, and substantial amounts of agricultural crop straw is produced therefrom, and directly burning can cause serious ring
Border problem, such as soil erosion, desertification.And, biomass carbon solid is obtained through pyrolysis by agricultural crop straw under certain condition
Product, the biomass carbon being prepared into using crop straw refuse can be realized being widely applied in agriculture field.
Zhang Wei is in its master thesis《The preparation of rice straw charcoal slow-release fertilizer and performance study》In one text, with paddy rice
Stalk is raw material, and biomass carbon is prepared by continuous pyrolysis device, and biomass carbon base material is prepared by disc granulation.Paddy rice
Stalk, to constant weight, is crushed through 40 DEG C of drying, in input pyrolysis installation, is heated to 400-600 DEG C of pyrolysis, is cooled to room temperature, is obtained
Rice straw biomass carbon.Biomass carbon and urea are distinguished after size-reduced machine is crushed and crosses 40 mesh sieves, mix rearmounted with kaolin
In granulating disc, start granulating disc, rotary speed is adjusted to 30r/min, rotating disk inclination angle is 45o, treats that fertilizer is abundant
After mixing, with sprayer by distilled water（15-20%）Spray into mixing, the rear biomass carbon base urine that stop granulation, will prepare to be formed
Fertilizer takes out from granulating disc, is placed in electric drying oven with forced convection, for doing to constant weight at 40 DEG C, granulated carbon base is obtained
Slow release fertilizer.But there is water-absorbing-retaining scarce capacity.
The present invention with ammonium ceric nitrate as initiator, with N, N,- methylene-bisacrylamide is crosslinking agent, itaconic acid and propylene
Acid amide-grafted copolymerization is prepared for a kind of composite highly-absorbent resin, and with good water holding capacity, the addition of attapulgite is improved
The salt-resistance of high hydroscopic resin.Bentonite can improve the structure of soil, improve water conservation drought resisting, the fertilizer conservation getting fat ability of soil；Together
When, bentonitic addition also improves water absorption rate, water retention property and the heat endurance of high hydroscopic resin；By itself and humic acid, boiling
Stone, bacillus are compound to prepare a kind of soil conditioner, can be used to adjust soil acidity or alkalinity, buffering soil value, Jin Erti
High crop yield.
The content of the invention
The present invention solves the technical problem of provide a kind of biodegradable biomass carbon based slow-release fertilizer and its
Preparation technology, the fertilizer prepared according to the technique has good sustained release performance, high-hydroscopicity high-moisture-retention, biodegradable.
The technical problems to be solved by the invention are realized using following technical scheme：
Rice straw 32-44, urea 11-23, kaolin 8-12, itaconic acid 4-9, acrylamide 3-7, ammonium ceric nitrate 2-5 are concavo-convex
Rod soil 4-6, N, N,- methylene-bisacrylamide 2-4, bentonite 5-8, humic acid 6-9, zeolite 3-6, bacillus 6-9, shell gather
Sugared 5-10, glycerine 1-2, Span80 2-4, atoleine 4-9, glutaraldehyde 1-3, NaOH solution, acetic acid, distilled water, isopropanol are fitted
Amount.
A kind of preparation method of biodegradable biomass carbon based slow-release fertilizer, it is characterised in that enter according to the following steps
OK：
A. rice straw is dried to constant weight through 40-60 DEG C, it is 5-10cm to carry out cutting process length with cutting machine, input connects
In continuous pyrolysis installation, 400-600 DEG C of heating charing 3-5h is warming up to, crosses 40-100 mesh sieves, be cooled to room temperature, rice straw is obtained
Biomass carbon；
B. in itaconic acid 1:2-5:20-30 adds NaOH solution, distilled water, stirs, and adds acrylamide, cerous nitrate
Ammonium, after stirring 10-30min, adds attapulgite, the ultrasound 1-2h at 30-40 DEG C to be passed through nitrogen, add N, N,- di-2-ethylhexylphosphine oxide
Acrylamide, lasting stirring, heating water bath, by gained sample in 70-80 DEG C of drying, grinds to 60-70 DEG C of reaction 3-5h,
It is stand-by；
C. bentonite is mixed with humic acid, 1:5-10 adds distilled water, stirs, and tune pH is 8-9, adds zeolite, gemma
Bacillus, sonic oscillation 3-5h, freeze-drying, grind at 25-45 DEG C, cross 100-200 mesh sieves, stand-by；
D. gains in biomass carbon, kaolin and b, c obtained by 40-100 mesh sieves, with a are crossed after the size-reduced machine of urea is crushed
It is placed in granulating disc after material mixing, rotary speed is adjusted to 30-40r/min, rotating disk inclination angle is 40-50o, treats that fertilizer is abundant
After mixing, the distilled water of 10-20% is sprayed into mixing with sprayer, rear stopping granulation to be formed, taking-up is placed in electric heating forced air drying
In case, in 40-50 DEG C of drying to constant weight, a kind of biomass carbon based slow-release fertilizer is obtained；
E. by shitosan 1:10-20 is dissolved in acetic acid, adds glycerine, stirring 1-2h to obtain water phase；Span80 is instilled into atoleine
In, stir, resulting material in water phase and d is slowly added thereto, 40-50 DEG C of water bath with thermostatic control, emulsion reaction 1-2h, add
Glutaraldehyde, cross-linking reaction 1-2h, standing, layering, suction filtration, isopropanol wash 3-5 time, 50-60 DEG C dry, obtain a kind of urea-
Chitosan sustained-release microsphere.
Reaction mechanism of the invention is as follows：
（1）The present invention with ammonium ceric nitrate as initiator, with N, N,- methylene-bisacrylamide is crosslinking agent, itaconic acid and propylene
Acid amide-grafted copolymerization is prepared for a kind of composite highly-absorbent resin, and with good water holding capacity, the addition of attapulgite is improved
The salt-resistance of high hydroscopic resin.
（2）Bentonite can improve the structure of soil, improve water conservation drought resisting, the fertilizer conservation getting fat ability of soil；Meanwhile, bentonite
Addition also improve water absorption rate, water retention property and the heat endurance of high hydroscopic resin；By itself and humic acid, zeolite, gemma bar
Bacterium is compound to prepare a kind of soil conditioner, can be used to adjust soil acidity or alkalinity, buffering soil value, and then produce are made in raising
Amount.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment
A kind of biodegradable biomass carbon based slow-release fertilizer, is obtained by the raw material of following weight parts (g)：
Rice straw 44, urea 23, kaolin 12, itaconic acid 9, acrylamide 7, ammonium ceric nitrate 5, attapulgite 6, N, N,- sub-
Bisacrylamide 4, bentonite 8, humic acid 9, zeolite 6, bacillus 9, shitosan 10, glycerine 2, Span80 4, liquid
Paraffin 9, glutaraldehyde 3, NaOH solution, acetic acid, distilled water, proper amount of isopropanol.
A kind of preparation method of biodegradable biomass carbon based slow-release fertilizer, it is characterised in that enter according to the following steps
OK：
A. rice straw is dried to constant weight through 50-60 DEG C, it is 5-10cm to carry out cutting process length with cutting machine, input connects
In continuous pyrolysis installation, 550-600 DEG C of heating charing 3h is warming up to, crosses 100 mesh sieves, be cooled to room temperature, rice straw is obtained biological
Matter charcoal；
B. in itaconic acid 1:5:30 add NaOH solution, distilled water, stir, and add acrylamide, ammonium ceric nitrate, stir
After mixing 30min, attapulgite, the ultrasound 2h at 30-40 DEG C is added to be passed through nitrogen, add N, N,- methylene-bisacrylamide,
Lasting stirring, heating water bath, by gained sample in 70-80 DEG C of drying, grinds to 60-70 DEG C of reaction 3h, stand-by；
C. bentonite is mixed with humic acid, 1:10 add distilled water, stir, and tune pH is 8-9, adds zeolite, gemma bar
Bacterium, sonic oscillation 3h, freeze-drying, grind at 35-45 DEG C, cross 100 mesh sieves, stand-by；
D. resulting material in biomass carbon, kaolin and b, c obtained by 100 mesh sieves, with a is crossed after the size-reduced machine of urea is crushed
It is placed in granulating disc after mixing, rotary speed is adjusted to 30-40r/min, rotating disk inclination angle is 40-50o, treats that fertilizer is fully mixed
After even, 15% distilled water is sprayed into mixing with sprayer, rear stopping granulation to be formed, taking-up is placed in electric drying oven with forced convection,
In 40-50 DEG C of drying to constant weight, a kind of biomass carbon based slow-release fertilizer is obtained；
E. by shitosan 1:20 are dissolved in acetic acid, add glycerine, stirring 1h to obtain water phase；By in Span80 instillation atoleines, stir
Mix uniform, resulting material in water phase and d be slowly added thereto, 40-50 DEG C of water bath with thermostatic control, emulsion reaction 2h, add glutaraldehyde,
Cross-linking reaction 2h, standing, layering, suction filtration, isopropanol are washed 3 times, and 50-60 DEG C of drying obtains a kind of urea-chitosan sustained-release micro-
Ball.
The performance test results of a kind of biodegradable biomass carbon based slow-release fertilizer prepared by above-described embodiment are as follows
It is shown：
Nitrogen in the fertilizer release rate behind in placing into the soil 1,5 and 30 days is respectively 13%, 24% and 59%；Water absorbent rate reaches
To 428g/g, after 10d, water retention is still >=50%.
Claims (2)
1. a kind of biodegradable biomass carbon based slow-release fertilizer, it is characterised in that be obtained by the raw material of following weight parts：
Rice straw 32-44, urea 11-23, kaolin 8-12, itaconic acid 4-9, acrylamide 3-7, ammonium ceric nitrate 2-5 are concavo-convex
Rod soil 4-6, N, N,- methylene-bisacrylamide 2-4, bentonite 5-8, humic acid 6-9, zeolite 3-6, bacillus 6-9, shell gather
Sugared 5-10, glycerine 1-2, Span80 2-4, atoleine 4-9, glutaraldehyde 1-3, NaOH solution, acetic acid, distilled water, isopropanol are fitted
Amount.
2. a kind of preparation method of biodegradable biomass carbon based slow-release fertilizer according to claim 1, its feature
It is to carry out according to the following steps：
A. rice straw is dried to constant weight through 40-60 DEG C, it is 5-10cm to carry out cutting process length with cutting machine, input connects
In continuous pyrolysis installation, 400-600 DEG C of heating charing 3-5h is warming up to, crosses 40-100 mesh sieves, be cooled to room temperature, rice straw is obtained
Biomass carbon；
B. in itaconic acid 1:2-5:20-30 adds NaOH solution, distilled water, stirs, and adds acrylamide, cerous nitrate
Ammonium, after stirring 10-30min, adds attapulgite, the ultrasound 1-2h at 30-40 DEG C to be passed through nitrogen, add N, N,- di-2-ethylhexylphosphine oxide
Acrylamide, lasting stirring, heating water bath, by gained sample in 70-80 DEG C of drying, grinds to 60-70 DEG C of reaction 3-5h,
It is stand-by；
C. bentonite is mixed with humic acid, 1:5-10 adds distilled water, stirs, and tune pH is 8-9, adds zeolite, gemma
Bacillus, sonic oscillation 3-5h, freeze-drying, grind at 25-45 DEG C, cross 100-200 mesh sieves, stand-by；
D. gains in biomass carbon, kaolin and b, c obtained by 40-100 mesh sieves, with a are crossed after the size-reduced machine of urea is crushed
It is placed in granulating disc after material mixing, rotary speed is adjusted to 30-40r/min, rotating disk inclination angle is 40-50o, treats that fertilizer is abundant
After mixing, the distilled water of 10-20% is sprayed into mixing with sprayer, rear stopping granulation to be formed, taking-up is placed in electric heating forced air drying
In case, in 40-50 DEG C of drying to constant weight, a kind of biomass carbon based slow-release fertilizer is obtained；
E. by shitosan 1:10-20 is dissolved in acetic acid, adds glycerine, stirring 1-2h to obtain water phase；Span80 is instilled into atoleine
In, stir, resulting material in water phase and d is slowly added thereto, 40-50 DEG C of water bath with thermostatic control, emulsion reaction 1-2h, add
Glutaraldehyde, cross-linking reaction 1-2h, standing, layering, suction filtration, isopropanol wash 3-5 time, 50-60 DEG C dry, obtain a kind of urea-
Chitosan sustained-release microsphere.
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| CN201710092964.7A CN106748307A (en) | 2017-02-21 | 2017-02-21 | A kind of biodegradable biomass carbon based slow-release fertilizer and preparation method thereof |
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| CN201710092964.7A CN106748307A (en) | 2017-02-21 | 2017-02-21 | A kind of biodegradable biomass carbon based slow-release fertilizer and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141185A (en) * | 2017-07-12 | 2017-09-08 | 合肥梵腾环保科技有限公司 | A kind of preparation method of straw biomass fertilizer |
| CN107573658A (en) * | 2017-09-07 | 2018-01-12 | 芜湖林电子科技有限公司 | A kind of high slow-released pesticide coating 3D printing material of agricultural |
| CN108178682A (en) * | 2017-12-29 | 2018-06-19 | 广东大众农业科技股份有限公司 | A kind of biomass carbon soil conditioner of siliceous calcium and magnesium and preparation method thereof |
| CN108181207A (en) * | 2017-11-23 | 2018-06-19 | 南昌航空大学 | A kind of hydrophobic degree method of determination and evaluation of the discrete materials such as soil body |
| CN108264427A (en) * | 2017-12-29 | 2018-07-10 | 安徽乐农环保科技有限公司 | A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue |
| CN111285480A (en) * | 2020-04-08 | 2020-06-16 | 福建省环境保护设计院有限公司 | Preparation method of microbial agent for treating soil remediation process wastewater |
| CN111961476A (en) * | 2020-09-01 | 2020-11-20 | 张书军 | Soil passivator for landscaping and preparation method thereof |
| CN114456318A (en) * | 2022-02-24 | 2022-05-10 | 扬州工业职业技术学院 | Chitosan-bentonite-acrylic acid water-absorbent resin and preparation method thereof |
| CN114958482A (en) * | 2022-06-29 | 2022-08-30 | 湖南金宝来香业有限公司 | Preparation method of perfume with lasting fragrance |
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| CN103601832A (en) * | 2013-11-05 | 2014-02-26 | 内蒙古民族大学 | Carbon-based water absorbent and preparation method thereof |
| CN106380272A (en) * | 2016-08-28 | 2017-02-08 | 天长市天兴园林绿化工程有限公司 | Super-absorbent and fertilizer-controlled coated slow-release fertilizer for garden plantation, and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103601832A (en) * | 2013-11-05 | 2014-02-26 | 内蒙古民族大学 | Carbon-based water absorbent and preparation method thereof |
| CN106380272A (en) * | 2016-08-28 | 2017-02-08 | 天长市天兴园林绿化工程有限公司 | Super-absorbent and fertilizer-controlled coated slow-release fertilizer for garden plantation, and preparation method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107141185A (en) * | 2017-07-12 | 2017-09-08 | 合肥梵腾环保科技有限公司 | A kind of preparation method of straw biomass fertilizer |
| CN107573658A (en) * | 2017-09-07 | 2018-01-12 | 芜湖林电子科技有限公司 | A kind of high slow-released pesticide coating 3D printing material of agricultural |
| CN108181207A (en) * | 2017-11-23 | 2018-06-19 | 南昌航空大学 | A kind of hydrophobic degree method of determination and evaluation of the discrete materials such as soil body |
| CN108178682A (en) * | 2017-12-29 | 2018-06-19 | 广东大众农业科技股份有限公司 | A kind of biomass carbon soil conditioner of siliceous calcium and magnesium and preparation method thereof |
| CN108264427A (en) * | 2017-12-29 | 2018-07-10 | 安徽乐农环保科技有限公司 | A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue |
| CN111285480B (en) * | 2020-04-08 | 2022-11-08 | 福建省环境保护设计院有限公司 | Preparation method of microbial agent for treating soil remediation process wastewater |
| CN111285480A (en) * | 2020-04-08 | 2020-06-16 | 福建省环境保护设计院有限公司 | Preparation method of microbial agent for treating soil remediation process wastewater |
| CN111961476A (en) * | 2020-09-01 | 2020-11-20 | 张书军 | Soil passivator for landscaping and preparation method thereof |
| CN111961476B (en) * | 2020-09-01 | 2022-01-14 | 安徽山湖生态建设有限公司 | Soil passivator for landscaping and preparation method thereof |
| CN114456318A (en) * | 2022-02-24 | 2022-05-10 | 扬州工业职业技术学院 | Chitosan-bentonite-acrylic acid water-absorbent resin and preparation method thereof |
| CN114456318B (en) * | 2022-02-24 | 2023-10-27 | 扬州工业职业技术学院 | Chitosan-bentonite-acrylic acid water-absorbent resin and preparation method thereof |
| CN114958482A (en) * | 2022-06-29 | 2022-08-30 | 湖南金宝来香业有限公司 | Preparation method of perfume with lasting fragrance |
| CN114958482B (en) * | 2022-06-29 | 2024-01-30 | 湖南金宝来香业有限公司 | Preparation method of aroma-durable spice |
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