CN106883858A - It is a kind of to add modified soil conditioner straw biomass charcoal of rhizobium powder and preparation method thereof - Google Patents
It is a kind of to add modified soil conditioner straw biomass charcoal of rhizobium powder and preparation method thereof Download PDFInfo
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- CN106883858A CN106883858A CN201710094666.1A CN201710094666A CN106883858A CN 106883858 A CN106883858 A CN 106883858A CN 201710094666 A CN201710094666 A CN 201710094666A CN 106883858 A CN106883858 A CN 106883858A
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- rhizobium
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Fertilizers (AREA)
Abstract
The modified soil conditioner straw biomass charcoal of rhizobium powder is added the invention discloses a kind of, is made from the following raw materials in parts by weight：Wheat stalk 85 87, coconut shell powder 13 15, calcium chloride 3.6 3.9, ammonium molybdate 0.5 0.8, urea 1.1 1.3, calcium carbonate 8 10, shitosan 35, humic acid 24, neem oil 13, rhizobium powder 1.5 1.8, polyvinyl alcohol 2.3 2.6,10wt.% sodium hydroxide solution is appropriate, appropriate mix acid liquor, appropriate deionized water, obtained straw biomass charcoal of the invention is used to that during soil conditioner rhizobium can be generated on carbon surface, so as to form the agricultural soil of suitable plant culture, in addition, soil ph can also be changed, increase soil CO2Content, poisonous metal in absorption soil, improves vigor of edaphon etc..
Description
Technical field
The present invention relates to the preparing technical field of biomass carbon, more particularly to a kind of modified soil of addition rhizobium powder
Modifying agent straw biomass charcoal and preparation method thereof.
Background technology
Agricultural crop straw is a kind of valuable renewable resource, but for a long time due to by consumption idea, life style and
The influence of the factors such as agricultural production time, agricultural straw resource is completely in consumption high, high pollution, the situation of low output, phase
When many a part of agricultural crop straws go out of use or burn, rational exploitation and utilization is not obtained, both caused the serious wave of resource
Take, serious environmental pollution is caused again, serious harm is caused to human health and safety, it has also become a great society problem.For
This, national departments concerned has done substantial amounts of work, and takes taboo to burn stalk control measures, but cures the symptoms, not the disease, thus to existing
Agricultural crop straw comprehensive utilization treatment enjoys the concern of domestic and international expert.The such as straw power generation, natural pond taken both at home and abroad at present
There is application limitation and be difficult to promote on a large scale in various processing methods such as gas fermentation, compost and measure.Biomass carbon is that have
A kind of rich carbon slightly solubility solid matter that machine material is produced in anoxic or anaerobic environment through high temperature pyrolysis.Its quite stable, it is difficult
With degraded and compared with other any type of organic matters, biomass carbon has the function of superpower withholding nutrient.Therefore make it
A kind of utilization for soil conditioner and carbon sequestration material in farmland soil is possibly realized.
Data has shown that since the 50's of 20th century, China's applying quantity of chemical fertilizer occupies the 1st, the world according to statistics.Chemical fertilizer
Grain yield largely is significantly increased, on the other hand also results in a large amount of P, N, K elements not utilized and is enriched with soil.
However, because the global cycle period of P element is more much longer than other elements (N, K), thus in most of ecosystems,
P element becomes the restricted element of growth of microorganism, is also the main cause for causing body eutrophication and soil depletion.
And have that specific surface area is generally less than normal as soil conditioner by the use of biomass carbon, the relatively weak deficiency of adsorption capacity, therefore inhale
Phosphorus efficiency is low to be unfavorable for agricultural production, therefore, document《The preparation technology and its suction phosphorus of calcium chloride activation rice straw biomass carbon
Performance study》With rice straw as raw material, the calcium chloride of mass fraction 10% prepares active bio matter charcoal for activator, used as control
The suction P materials of widespread pollution from the overuse of fertilizers and pesticides in rural area processed.Result of the test shows：P clearances can reach 97%, and pH value of solution rises to 9.52 from 6.87.
But the method for modifying in document is more single, function is also single, obtained biomass carbon only in soil not
The phosphorus for utilizing has preferable adsorption effect, but, with the fast development of modern industrialization, a large amount of industrial wastewaters blindly enter agriculture
Field, and the chemical fertilizer of heavy dose is excessively used, and excessive heavy metal ion influence plant growth is largely enriched with soil, and also indirect
Influence human health, simultaneously because biomass carbon surface carries negative electrical charge, for the heavy metal adsorption existed with anionic form
Effect is poor, uses retain water and nutrients and other effects of taking root also poor as soil conditioner, so that being improved existing process.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of modified soil of addition rhizobium powder
Modifying agent straw biomass charcoal and preparation method thereof.
The present invention is achieved by the following technical solutions：
It is a kind of to add the modified soil conditioner straw biomass charcoal of rhizobium powder, it is made from the following raw materials in parts by weight：
Wheat stalk 85-87, coconut shell powder 13-15, calcium chloride 3.6-3.9, ammonium molybdate 0.5-0.8, urea 1.1-1.3, calcium carbonate 8-
10th, shitosan 3-5, humic acid 2-4, neem oil 1-3, rhizobium powder 1.5-1.8, the hydrogen of polyvinyl alcohol 2.3-2.6,10wt.%
Appropriate sodium hydroxide solution, appropriate mix acid liquor, appropriate deionized water.
A kind of preparation method of the modified soil conditioner straw biomass charcoal of described addition rhizobium powder, including
Following steps：
（1）Calcium chloride, ammonium molybdate, urea are stirred and evenly mixed, is ground 20-30 minutes, add deionized water to be configured to mass fraction
Hybrid activator for 10% is standby；
（2）Wheat stalk drying is cut into 2 cms adds coconut shell powder to be well mixed, and is placed in the NaOH of 10wt.%
Solution is soaked 48 hours, and taking-up is washed with deionized to neutrality, with step（1）Hybrid activator according to impregnating ratio 1: 0.5
Immersion 24 hours, filtering, the 105-110 DEG C of drying in baking oven；
（3）By step（2）Material is put into tube furnace, under nitrogen protection with 20 DEG C of min- 1The rate of heat addition be warming up to 700-
720 DEG C, keeping temperature charing process 60 minutes is cooled to room temperature under nitrogen protection, adds mix acid liquor ultrasonic oscillation 8-
Supernatant is outwelled in centrifugation after 10 hours, is washed with deionized to neutrality, adds shitosan, neem oil to pulverize；
（4）By polyvinyl alcohol plus appropriate amount of deionized water heating stirring to dissolving, step is added（3）Material, calcium carbonate, root nodule bacterium powder
End and other residual components are ground, and granulate, and cross 2-4mm and sift out material.
Described mix acid liquor is 1mol L- 1Volume ratio for 1: 1 hydrochloric acid-hydrofluoric acid solution.
It is an advantage of the invention that：The present invention is first by wheat stalk, coconut shell powder sodium hydroxide solution immersion treatment removing
Go the wax of material surface, ash content and other be dissolved in the impurity of water, then with the compound admixture activation of calcium chloride, ammonium molybdate, urea
The means treatment such as high temperature carbonization, pickling after agent immersion, pickling dramatically increases specific surface area, pore volume and the aperture point of biomass carbon
Cloth, greatly improves the adsorption capacity of biomass carbon so that in the Ca of straw charcoal inner surface2+With reference to hydroxyl can quickly by soil
In unnecessary phosphate anion substitution, inhale phosphorus efficiency high, and the straw biological obtained in composition such as composite calcium carbonate, rhizobium powder
Matter charcoal is used to that during soil conditioner rhizobium can be generated on carbon surface, so that the agricultural soil of suitable plant culture is formed,
In addition, can also change soil ph, increase soil CO2Content, poisonous metal in absorption soil, improves the work of edaphon
Power etc..
Specific embodiment
It is a kind of to add the modified soil conditioner straw biomass charcoal of rhizobium powder, by the raw material system of following weight portion
Into：Wheat stalk 85, coconut shell powder 13, calcium chloride 3.6, ammonium molybdate 0.5, urea 1.1, calcium carbonate 8, shitosan 3, humic acid 2,
Neem oil 1, rhizobium powder 1.5, polyvinyl alcohol 2.3,10wt.% sodium hydroxide solution is appropriate, appropriate mix acid liquor, go from
Sub- appropriate amount of water.
A kind of preparation method of the modified soil conditioner straw biomass charcoal of described addition rhizobium powder, including
Following steps：
（1）Calcium chloride, ammonium molybdate, urea are stirred and evenly mixed, is ground 20-30 minutes, add deionized water to be configured to mass fraction
Hybrid activator for 10% is standby；
（2）Wheat stalk drying is cut into 2 cms adds coconut shell powder to be well mixed, and is placed in the NaOH of 10wt.%
Solution is soaked 48 hours, and taking-up is washed with deionized to neutrality, with step（1）Hybrid activator according to impregnating ratio 1: 0.5
Immersion 24 hours, filtering, the 105-110 DEG C of drying in baking oven；
（3）By step（2）Material is put into tube furnace, under nitrogen protection with 20 DEG C of min- 1The rate of heat addition be warming up to 700-
720 DEG C, keeping temperature charing process 60 minutes is cooled to room temperature under nitrogen protection, adds mix acid liquor ultrasonic oscillation 8-
Supernatant is outwelled in centrifugation after 10 hours, is washed with deionized to neutrality, adds shitosan, neem oil to pulverize；
（4）By polyvinyl alcohol plus appropriate amount of deionized water heating stirring to dissolving, step is added（3）Material, calcium carbonate, root nodule bacterium powder
End and other residual components are ground, and granulate, and cross 2-4mm and sift out material.
Described mix acid liquor is 1mol L- 1Volume ratio for 1: 1 hydrochloric acid-hydrofluoric acid solution.
Compared to the prior art, 7.22 times are increased using straw biomass charcoal specific surface area obtained in the present invention, C contains
Amount increased 35.13%, and porosity increase adsorption effect is good, and P clearances can reach 98%.
Claims (3)
1. it is a kind of to add the modified soil conditioner straw biomass charcoal of rhizobium powder, it is characterised in that by following weight
The raw material of part is made：Wheat stalk 85-87, coconut shell powder 13-15, calcium chloride 3.6-3.9, ammonium molybdate 0.5-0.8, urea 1.1-
1.3rd, calcium carbonate 8-10, shitosan 3-5, humic acid 2-4, neem oil 1-3, rhizobium powder 1.5-1.8, polyvinyl alcohol 2.3-
2.6th, the sodium hydroxide solution of 10wt.% is appropriate, appropriate mix acid liquor, appropriate deionized water.
2. a kind of system for adding the modified soil conditioner straw biomass charcoal of rhizobium powder according to claim 1
Make method, it is characterised in that comprise the following steps：
（1）Calcium chloride, ammonium molybdate, urea are stirred and evenly mixed, is ground 20-30 minutes, add deionized water to be configured to mass fraction
Hybrid activator for 10% is standby；
（2）Wheat stalk drying is cut into 2 cms adds coconut shell powder to be well mixed, and is placed in the NaOH of 10wt.%
Solution is soaked 48 hours, and taking-up is washed with deionized to neutrality, with step（1）Hybrid activator according to impregnating ratio 1: 0.5
Immersion 24 hours, filtering, the 105-110 DEG C of drying in baking oven；
（3）By step（2）Material is put into tube furnace, under nitrogen protection with 20 DEG C of min- 1The rate of heat addition be warming up to 700-
720 DEG C, keeping temperature charing process 60 minutes is cooled to room temperature under nitrogen protection, adds mix acid liquor ultrasonic oscillation 8-
Supernatant is outwelled in centrifugation after 10 hours, is washed with deionized to neutrality, adds shitosan, neem oil to pulverize；
（4）By polyvinyl alcohol plus appropriate amount of deionized water heating stirring to dissolving, step is added（3）Material, calcium carbonate, root nodule bacterium powder
End and other residual components are ground, and granulate, and cross 2-4mm and sift out material.
3. the soil conditioner straw biomass charcoal that a kind of addition rhizobium powder according to claim 1 is modified, its
It is characterised by, described mix acid liquor is 1mol L- 1Volume ratio for 1: 1 hydrochloric acid-hydrofluoric acid solution.
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| CN201710094666.1A CN106883858A (en) | 2017-02-22 | 2017-02-22 | It is a kind of to add modified soil conditioner straw biomass charcoal of rhizobium powder and preparation method thereof |
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| CN201710094666.1A CN106883858A (en) | 2017-02-22 | 2017-02-22 | It is a kind of to add modified soil conditioner straw biomass charcoal of rhizobium powder and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502357A (en) * | 2017-07-21 | 2017-12-22 | 南京农业大学 | A kind of heavy metal-polluted soil renovation agent and preparation method thereof |
| CN108358719A (en) * | 2018-05-28 | 2018-08-03 | 霍邱金木鱼农业科技有限公司 | Organic fertilizer and preparation method thereof is made using multiclass stalk |
| CN110156015A (en) * | 2019-06-12 | 2019-08-23 | 北京金格玖畅环保科技有限公司 | A method of active carbon is recycled using microwave method |
| US11124461B2 (en) | 2019-07-04 | 2021-09-21 | Incitec Pivot Limited | Fertilizer |
| CN113582758A (en) * | 2021-08-03 | 2021-11-02 | 武汉博润科技有限公司 | Nutritional composition for crops |
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| CN101475165A (en) * | 2008-12-25 | 2009-07-08 | 东华大学 | Method for preparing active carbon from straw stalk |
| CN104817386A (en) * | 2015-04-20 | 2015-08-05 | 广东大众农业科技股份有限公司 | Straw biomass charcoal based soil conditioner and preparation method thereof |
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- 2017-02-22 CN CN201710094666.1A patent/CN106883858A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475165A (en) * | 2008-12-25 | 2009-07-08 | 东华大学 | Method for preparing active carbon from straw stalk |
| CN104817386A (en) * | 2015-04-20 | 2015-08-05 | 广东大众农业科技股份有限公司 | Straw biomass charcoal based soil conditioner and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107502357A (en) * | 2017-07-21 | 2017-12-22 | 南京农业大学 | A kind of heavy metal-polluted soil renovation agent and preparation method thereof |
| CN108358719A (en) * | 2018-05-28 | 2018-08-03 | 霍邱金木鱼农业科技有限公司 | Organic fertilizer and preparation method thereof is made using multiclass stalk |
| CN110156015A (en) * | 2019-06-12 | 2019-08-23 | 北京金格玖畅环保科技有限公司 | A method of active carbon is recycled using microwave method |
| CN110156015B (en) * | 2019-06-12 | 2021-04-13 | 北京金格玖畅环保科技有限公司 | Method for recovering and treating activated carbon by using microwave method |
| US11124461B2 (en) | 2019-07-04 | 2021-09-21 | Incitec Pivot Limited | Fertilizer |
| US11691929B2 (en) | 2019-07-04 | 2023-07-04 | Incitec Fertilizers Pty Limited | Fertiliser |
| CN113582758A (en) * | 2021-08-03 | 2021-11-02 | 武汉博润科技有限公司 | Nutritional composition for crops |
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Application publication date: 20170623 |
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