CN107879857A - A kind of preparation method of organo-mineral complexing soil conditioner - Google Patents
A kind of preparation method of organo-mineral complexing soil conditioner Download PDFInfo
- Publication number
- CN107879857A CN107879857A CN201711247404.0A CN201711247404A CN107879857A CN 107879857 A CN107879857 A CN 107879857A CN 201711247404 A CN201711247404 A CN 201711247404A CN 107879857 A CN107879857 A CN 107879857A
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- Prior art keywords
- soil conditioner
- preparation
- organo
- fermentation
- soil
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of preparation method of organo-mineral complexing soil conditioner, by clay absorbent, montmorillonite, caustic lime stone drying and crushing, then mixes calcium magnesium phosphate, the organic fertilizer containing humic acid of fermentation dries balling-up and soil conditioner is prepared；The present invention passes through phosphate induced adsorption, precipitation of heavy metals；The present invention passes through organic fertilizer stable soil structure, getting fat soil；The preparation method of the present invention is simple, has preferable practicality.
Description
Technical field
The invention belongs to the technical field of soil conditioner, and in particular to a kind of system of organo-mineral complexing soil conditioner
Preparation Method.
Background technology
As China industrializes, the fast development of urbanization, the improper and a large amount of discharge of pollutant process, unqualified agricultural thing
Use of matter etc., the heavy metal pollution problem of China's agricultural land soil is caused increasingly to highlight.The accumulation of heavy metal in agricultural land soil, no
Crop yield reduction is only resulted in, and crops is constantly absorbed heavy metal in growth course, and heavy metal can pass through food
Thing chain is detrimental to health.Investigation display, China has 66.7 ten thousand hectares of soil to be subject to heavy metal pollution, by cadmium, arsenic, lead, mercury
Nearly 20,000,000 hectares Deng the cultivated area of heavy metal pollution, the 1/5 of total cultivated area is accounted for.
The content of the invention
It is an object of the invention to provide a kind of preparation method of organo-mineral complexing soil conditioner, by adsorption by clay
Agent, montmorillonite, caustic lime stone drying and crushing, then mix calcium magnesium phosphate, the organic fertilizer containing humic acid of fermentation is dried to
Soil conditioner is prepared in ball；The present invention passes through phosphate induced adsorption, precipitation of heavy metals；The present invention is stable by organic fertilizer
Soil texture, getting fat soil；The preparation method of the present invention is simple, has preferable practicality.
The present invention is achieved through the following technical solutions：A kind of preparation method of organo-mineral complexing soil conditioner,
Mainly include the following steps that：
Step A1：By clay absorbent, montmorillonite, caustic lime stone be separately dried, crush, sieve, be then well mixed；
Step A2：5mm sieves are crossed after rice husk, stalk are crushed, water is added and carries out spontaneous fermentation, fermentation material, Ran Houjia is prepared
Enter pig manure to continue to ferment, with water according to 1 after fermentation：2 mixing, are adjusted to 9-10 by the pH of fermentation material with lime, are prepared
Organic fertilizer；
Step A3：It will be prepared in the clay absorbent being prepared in step A1, montmorillonite, caustic lime stone, step A2
Organic fertilizer, calcium magnesium phosphate be well mixed, dry balling-up obtain soil conditioner.
In order to preferably realize the present invention, further, by clay absorbent, montmorillonite, alkaline stone in the step A1
Lime stone crosses 100 mesh sieves respectively.
In order to preferably realize the present invention, further, 5mm sieves are crossed after crushing rice husk, stalk in the step A2, are added
Enter water and carry out spontaneous fermentation, fermentation material is obtained when fermentation temperature drops below 45 DEG C；Pig manure hair is added in the step A2
Organic fertilizer is prepared in 1-1.5 days in ferment.
In order to preferably realize the present invention, further, a diameter of 1.5-3.5mm of the soil conditioner balling-up.
In order to preferably realize the present invention, further, the water content of the soil conditioner is 15-30wt%.
Beneficial effects of the present invention：
The present invention is first by clay absorbent, montmorillonite, caustic lime stone drying and crushing, then mixes calcium magnesium phosphate, fermentation
Organic fertilizer containing humic acid dries balling-up and soil conditioner is prepared；The present invention passes through phosphate induced adsorption, precipitation weight
Metal；The present invention passes through organic fertilizer stable soil structure, getting fat soil；The preparation method of the present invention is simple, has preferably real
The property used.
Embodiment
Embodiment 1：
A kind of preparation method of organo-mineral complexing soil conditioner, the dosage of the soil conditioner is 120kg/ mus；It is described
Soil conditioner includes 5 parts of caustic lime stones, 3 parts of clay absorbents, 14 parts of calcium magnesium phosphate, 10 parts of organic fertilizers, 4 parts of montmorillonites.
The basic physical and chemical for examination soil of the present embodiment is as follows：Soil pH=4.32, organic matter 16.6g/kg, total phosphorus
0.66g/kg, total nitrogen 1.42g/kg, total potassium 17.51g/kg, heavy metal weight Cd 1.39mg/kg, Pb 302.67mg/kg, Cu
383.67mg/kg Zn 325.08mg/kg.
A kind of preparation method of organo-mineral complexing soil conditioner, is mainly included the following steps that：
Step A1：By clay absorbent, montmorillonite, caustic lime stone be separately dried, crush, cross 100 mesh sieves, then mixing is equal
It is even；
Step A2：5mm sieves are crossed after rice husk, stalk are crushed, water is added and carries out spontaneous fermentation, when fermentation temperature drops below 45
DEG C when obtain fermentation material, then add pig manure continue fermentation 1 day, with water according to 1 after fermentation：2 mixing, with lime by fermentation material
PH be adjusted to 9, organic fertilizer is prepared；
Step A3：It will be prepared in the clay absorbent being prepared in step A1, montmorillonite, caustic lime stone, step A2
Organic fertilizer, calcium magnesium phosphate be well mixed, dry balling-up obtain soil conditioner；The particle diameter of the soil conditioner is 2.5mm
Left and right, the water content of the soil conditioner is 20wt%.
By pedotheque natural air drying, impurity removing is removed, 2mm sieves are crossed after grinding；Then soil is used for potted plant, every potted plant dress
Native 0.8kg, modifying agent is well mixed with soil, adds deionized water to the 60% of maxmun field capacity, balance 3 at room temperature
Week starts potted plant experiment；By the sowing of water spinach seed in artificial substratum, after seedling grows 4-5 piece true leaves, the transplanting 1 per basin
Strain seedling.In water spinach growth period, add the humidity that distilled water keeps soil, plant growth is after 47 days, harvest water spinach and
Pedotheque.
Using effective zinc in resolution-atomic absorption light spectral method testing soil sample, copper, lead, cadmium content, using dry ash
Zinc, copper, lead effective content in change-aas determination plant, disappeared cooking method-aas determination with wet type
The content of the cadmium of plant.
Obtained after experiment test, the pH of pedotheque is 7.02, and the cadmium, lead, copper, zinc after pedotheque processing are consolidated
Rate is respectively 95.3%, 98.2%, 96.8%, 91.4%；It can thus be appreciated that soil conditioner effectively reduce cadmium in soil, lead, copper,
The effective content of zinc, there is preferable solidification effect；Experiment test finds the content of the top cadmium of water spinach（In terms of fresh weight）For
There is preferable heavy metal to inhale for 0.08mg/kg, the substantially less than higher limit 0.2mg/kg of state food standard, soil conditioner
Attached effect, and the nutrition of plant is ensure that, there is preferable practicality.
Soil modification is alkalescence by caustic lime stone by the present invention, so as to be advantageous in soil conditioner absorption soil
Heavy metal, the present invention are adsorbed heavy metal, the present invention such as Hg, Cd, Pb in soil by clay absorbent, montmorillonite and pass through phosphoric acid
Salt treatment absorption, precipitation of heavy metals；The present invention passes through organic fertilizer stable soil structure, getting fat soil.
Embodiment 2：
A kind of preparation method of organo-mineral complexing soil conditioner, the dosage of the soil conditioner is 135kg/ mus；It is described
Soil conditioner includes 4 parts of caustic lime stones, 3 parts of clay absorbents, 11 parts of calcium magnesium phosphate, 8 parts of organic fertilizers, 3 parts of montmorillonites.
The basic physical and chemical for examination soil of the present embodiment is as follows：Soil pH=4.32, organic matter 16.6g/kg, total phosphorus
0.66g/kg, total nitrogen 1.42g/kg, total potassium 17.51g/kg, heavy metal weight Cd 1.39mg/kg, Pb 302.67mg/kg, Cu
383.67mg/kg Zn 325.08mg/kg.
A kind of preparation method of organo-mineral complexing soil conditioner, is mainly included the following steps that：
Step A1：By clay absorbent, montmorillonite, caustic lime stone be separately dried, crush, cross 100 mesh sieves, then mixing is equal
It is even；
Step A2：5mm sieves are crossed after rice husk, stalk are crushed, water is added and carries out spontaneous fermentation, when fermentation temperature drops below 45
DEG C when obtain fermentation material, then add pig manure continue fermentation 1.5 days, with water according to 1 after fermentation：2 mixing, it will be fermented with lime
The pH of material is adjusted to 9, and organic fertilizer is prepared；
Step A3：It will be prepared in the clay absorbent being prepared in step A1, montmorillonite, caustic lime stone, step A2
Organic fertilizer, calcium magnesium phosphate be well mixed, dry balling-up obtain soil conditioner；The particle diameter of the soil conditioner is 2.5mm
Left and right, the water content of the soil conditioner is 20wt%.
By pedotheque natural air drying, impurity removing is removed, 2mm sieves are crossed after grinding；Then soil is used for potted plant, every potted plant dress
Native 0.8kg, modifying agent is well mixed with soil, adds deionized water to the 60% of maxmun field capacity, balance 3 at room temperature
Week starts potted plant experiment；By the sowing of water spinach seed in artificial substratum, after seedling grows 4-5 piece true leaves, the transplanting 1 per basin
Strain seedling.In water spinach growth period, add the humidity that distilled water keeps soil, plant growth is after 47 days, harvest water spinach and
Pedotheque.
Using effective zinc in resolution-atomic absorption light spectral method testing soil sample, copper, lead, cadmium content, using dry ash
Zinc, copper, lead effective content in change-aas determination plant, disappeared cooking method-aas determination with wet type
The content of the cadmium of plant.
Obtained after experiment test, the pH of pedotheque is 7.25, and the cadmium, lead, copper, zinc after pedotheque processing are consolidated
Rate is respectively 96.1%, 98.5%, 97.1%, 92.3%；It can thus be appreciated that soil conditioner effectively reduce cadmium in soil, lead, copper,
The effective content of zinc, there is preferable solidification effect；Experiment test finds the content of the top cadmium of water spinach（In terms of fresh weight）For
There is preferable heavy metal to inhale for 0.06mg/kg, the substantially less than higher limit 0.2mg/kg of state food standard, soil conditioner
Attached effect, and the nutrition of plant is ensure that, there is preferable practicality.
Soil modification is alkalescence by caustic lime stone by the present invention, so as to be advantageous in soil conditioner absorption soil
Heavy metal, the present invention are adsorbed heavy metal, the present invention such as Hg, Cd, Pb in soil by clay absorbent, montmorillonite and pass through phosphoric acid
Salt treatment absorption, precipitation of heavy metals；The present invention passes through organic fertilizer stable soil structure, getting fat soil.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not done to the present invention, it is every according to
Any simply modification, the equivalent variations made according to the technical spirit of the present invention to above example, each fall within the protection of the present invention
Within the scope of.
Claims (5)
1. a kind of preparation method of organo-mineral complexing soil conditioner, it is characterised in that mainly include the following steps that：
Step A1：By clay absorbent, montmorillonite, caustic lime stone be separately dried, crush, sieve, be then well mixed；
Step A2：5mm sieves are crossed after rice husk, stalk are crushed, water is added and carries out spontaneous fermentation, fermentation material, Ran Houjia is prepared
Enter pig manure to continue to ferment, with water according to 1 after fermentation：2 mixing, are adjusted to 9-10 by the pH of fermentation material with lime, are prepared
Organic fertilizer；
Step A3：It will be prepared in the clay absorbent being prepared in step A1, montmorillonite, caustic lime stone, step A2
Organic fertilizer, calcium magnesium phosphate be well mixed, dry balling-up obtain soil conditioner.
2. the preparation method of a kind of organo-mineral complexing soil conditioner according to claim 1, it is characterised in that described
Clay absorbent, montmorillonite, caustic lime stone are crossed into 100 mesh sieves respectively in step A1.
3. the preparation method of a kind of organo-mineral complexing soil conditioner according to claim 1, it is characterised in that described
5mm sieves are crossed after crushing rice husk, stalk in step A2, water is added and carries out spontaneous fermentation, when fermentation temperature drops below 45 DEG C
When obtain fermentation material；Pig manure fermentation is added in the step A2 and organic fertilizer is prepared within 1-1.5 days.
4. the preparation method of a kind of organo-mineral complexing soil conditioner according to claim 1, it is characterised in that described
A diameter of 1.5-3.5mm of soil conditioner balling-up.
5. the preparation method of a kind of organo-mineral complexing soil conditioner according to claim 4, it is characterised in that described
The water content of soil conditioner is 15-30wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247404.0A CN107879857A (en) | 2017-12-01 | 2017-12-01 | A kind of preparation method of organo-mineral complexing soil conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247404.0A CN107879857A (en) | 2017-12-01 | 2017-12-01 | A kind of preparation method of organo-mineral complexing soil conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107879857A true CN107879857A (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711247404.0A Withdrawn CN107879857A (en) | 2017-12-01 | 2017-12-01 | A kind of preparation method of organo-mineral complexing soil conditioner |
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| CN (1) | CN107879857A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028974A (en) * | 2019-05-09 | 2019-07-19 | 湖南联和环保科技有限公司 | A kind of heavy metal cadmium soil remediation passivator, preparation method and applications |
| CN110129063A (en) * | 2018-08-08 | 2019-08-16 | 环境保护部华南环境科学研究所 | A kind of composite material suitable for heavy-metal composite pollution farmland safe utilization |
| CN112322300A (en) * | 2020-09-29 | 2021-02-05 | 江苏天象生物科技有限公司 | Soil conditioner for treating saline-alkali soil |
| CN113527012A (en) * | 2020-04-17 | 2021-10-22 | 漯河市盛粮生物科技有限公司 | Preparation method and application method of heavy metal curing biofertilizer for soil remediation |
-
2017
- 2017-12-01 CN CN201711247404.0A patent/CN107879857A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110129063A (en) * | 2018-08-08 | 2019-08-16 | 环境保护部华南环境科学研究所 | A kind of composite material suitable for heavy-metal composite pollution farmland safe utilization |
| CN110129063B (en) * | 2018-08-08 | 2020-12-08 | 生态环境部华南环境科学研究所 | Composite material suitable for safe utilization of heavy metal combined pollution farmland |
| CN110028974A (en) * | 2019-05-09 | 2019-07-19 | 湖南联和环保科技有限公司 | A kind of heavy metal cadmium soil remediation passivator, preparation method and applications |
| CN113527012A (en) * | 2020-04-17 | 2021-10-22 | 漯河市盛粮生物科技有限公司 | Preparation method and application method of heavy metal curing biofertilizer for soil remediation |
| CN112322300A (en) * | 2020-09-29 | 2021-02-05 | 江苏天象生物科技有限公司 | Soil conditioner for treating saline-alkali soil |
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Application publication date: 20180406 |