CN108264427A - A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue - Google Patents
A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue Download PDFInfo
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- CN108264427A CN108264427A CN201711479262.0A CN201711479262A CN108264427A CN 108264427 A CN108264427 A CN 108264427A CN 201711479262 A CN201711479262 A CN 201711479262A CN 108264427 A CN108264427 A CN 108264427A
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- Prior art keywords
- pal
- materials
- plant residue
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- renovation agent
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
-
- 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
- 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of methods that cultivated soil renovation agent is prepared based on PAL M materials and plant residue, belong to functional soil-repairing agent technical field, the preparation method first uses PAL using the method that lye and ultrasound are combined and pre-processes, then by pretreated PAL materials and silane coupling agent, polyvinylpyrrolidone and thiocarbamide carry out ultrasonic reaction and prepare PAL M materials, finally by PAL M materials, activated sludge, plant residue and EM bacterium carry out mixing granulation fermentation, and particle surface sprinkling gelatin solution after fermentation, particle is made to show to form reticular protection film.The renovation agent of preparation there is fertilizer and repair it is dual a little, the reticular protection film of formation also makes renovation agent have the performance of sustained release.Improve the utilization rate of renovation agent.
Description
Technical field
The invention belongs to functional soil-repairing agent technical fields, and in particular to one kind is residual based on PAL-M materials and plant
The method that body prepares cultivated soil renovation agent.
Background technology
Due to the application of chemical fertilizer, cause current soil pollution more serious, it is main to the restorative procedure of soil at present
It is that physics, chemistry and biological three categories restorative procedure, Physical are suitable for accident contamination, chemical method is more economically efficient, raw
Object method is more environmentally-friendly.The development trend of current heavily contaminated soil remediation is that the prior art is used in combination.Such as Chinese patent publication No.
CN107324957A carries out hydro-thermal reaction using ethyl alcohol, amino acid and is modified PAL (palygorskite) material, then by modified PAL materials
Material and lactic acid, sulfate carry out branch knot polymerisation, are finally prepared for PAL soil-repairing agents.But in the preparation of modified PAL materials
Process is complex, must further be improved.
Attapulgite, is commonly called as palygorskite, and attapulgite is a kind of nonmetallic mineral resource with soil and stone characteristic.It
It is a kind of fibrous crystal comprising layer, chain structure, there is larger specific surface area, include nanochannel, there is stronger ion
Exchange capacity and good adsorptivity, slow release, suspension.As a kind of mineral clay substance, attapulgite has good
Water suction and water-retaining property, and it should not be reduced after absorbent drying, there is preferable stabilization under brine and hot environment.It is concave-convex
Stick soil is also rich in the trace element needed for plant growth, such as Si, A1, Mg, Fe, K, Ca and Mn.
Activated sludge adsorbed by microorganism and its extracellular polymeric (EPS) and from waste water or flocculated inorganic particle and
The material compositions such as organic granular, the flocculation structure of activated sludge have important shadow to the detergent power and repair process of soil
It rings, is the hot spot studied at present.
Invention content
According to more than the deficiencies in the prior art, the technical problems to be solved by the invention are to propose one kind based on PAL-M materials
The method that material and plant residue prepare cultivated soil renovation agent, in order to solve the above-mentioned technical problem, the technical side that the present invention uses
Case is：
A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, the specific steps of preparation are such as
Under：
1) preparation of PAL-M materials：PAL (palygorskite) powder is uniformly mixed with NaOH solution, then at ultrasound
40-50min is managed, is washed to neutrality, then addition silane coupling agent, polyvinylpyrrolidone and thiocarbamide, ultrasonic reaction 1.5-2h,
The PAL-M materials of preparation；
2) PAL-M materials, activated sludge and plant residue progress high speed dispersion are uniformly mixed, then add in the stirring of EM bacterium
After mixing, extruder grain is carried out, then the spontaneous fermentation at 50-55 DEG C of temperature, after fermentation, is sprayed in particle surface
Gelatin solution, and spontaneously dry.
Preferably, the grain size of the PAL powder is 200-300 mesh, the circular granular being granulated as grain size 1-1.5cm.
Preferably, a concentration of 1.5-2mol/L of the NaOH solution, volume are 0.3-0.5 times of PAL powder.
Preferably, the power of the ultrasound is 300-400w, frequency 30-50Hz.
Preferably, it is 1-1.5 that the silane coupling agent, which is mass ratio,:The mixing from coupling agent KH550 and KH570 of 0.8-1
Close object.
Preferably, the weight ratio of the PAL powder, silane coupling agent, polyvinylpyrrolidone and thiocarbamide is 1:0.1-
0.2:0.05-0.08:0.3-0.8。
Preferably, the PAL-M materials, activated sludge, plant residue, gelatin and the parts by weight of EM bacterium are PAL-M materials
1-3 parts of 30-45 parts of material, 15-25 parts of activated sludge, 15-25 parts of plant residue, 5-8 parts of gelatin and EM bacterium.
Preferably, PAL-M materials, activated sludge, plant residue, gelatin and the parts by weight of EM bacterium are PAL-M materials 40
Part, 20 parts of activated sludge, 25 parts of plant residue, 6.5 parts of gelatin and 2 parts of EM bacterium.
Compared with prior art, beneficial effects of the present invention：
1. the present invention is handled PAL materials using the method for ultrasound and alkali process, increase the internal holes of PAL materials
Road is conducive to the promotion of adsorption capacity, increases repair of the PAL materials to soil.
2. soil-repairing agent prepared by the raw material being combined in the present invention using PAL-M and activated sludge and being rich in nutrition,
Again have absorption and cohesion, have fertilizer and repair it is dual a little.
3. renovation agent prepared by the present invention forms netted protective film using gelatin in particle surface, prevent particle from transporting
Process it is loose, lead to the waste of fertilizer, after have sustained release effectiveness..
Specific embodiment
It below by the description to embodiment, is described in further detail, to help those skilled in the art to this hair
Bright inventive concept, technical solution have more complete, accurate and deep understanding.
Embodiment 1
A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, the specific steps of preparation are such as
Under：
1) by the PAL powder of 300 mesh of grain size and concentration 2mol/L, volume is that the NaOH solution of 0.5 times of PAL powder volumes is stirred
It mixes uniformly mixed, mixed alkalinity PAL powder is then ultrasonically treated 45min under power 350w, frequency 40Hz, is washed with water
PAL powder to neutrality, the then drying at 150 DEG C is conducive to getting through and formed and removing PAL powder for PAL powder interior bores
Then pretreated PAL powder, silane coupling agent, polyvinylpyrrolidone and thiocarbamide are 1 in mass ratio by impurity in end:
0.15:0.06:0.6 is uniformly mixed, and then in the ultrasonic reaction 100min under power 350w, frequency 40Hz, ultrasound breaks through standby
PAL-M materials, wherein the silane coupling agent selected be by mass ratio be 1.2:0.8 mixing from coupling agent KH550 and KH570
Object；
2) height is carried out under rotating speed 1200r/min with PAL-M materials, activated sludge after plant residue being dried crushing
Fast dispersion mixing is uniform, then adds in after EM bacterium are uniformly mixed, and carries out extruder grain into the circular granular of grain size 1cm, so
Afterwards by the particle made spontaneous fermentation at 55 DEG C of temperature, after fermentation, gelatin solution is sprayed in particle surface, gelatin solution
Viscosity is 2%, and is spontaneously dried；
Wherein, PAL-M materials, activated sludge, plant residue, gelatin and the parts by weight of EM bacterium for 40 parts of PAL-M materials,
2 parts of 20 parts of activated sludge, 25 parts of plant residue, 6.5 parts of gelatin and EM bacterium.
Embodiment 2
The present embodiment is with embodiment 1, the difference is that PAL-M materials, activated sludge, plant residue, gelatin in the present embodiment
And the parts by weight of EM bacterium are 1 part of 30 parts of PAL-M materials, 25 parts of activated sludge, 15 parts of plant residue, 8 parts of gelatin and EM bacterium.
Embodiment 3
The present embodiment is with embodiment 1, the difference is that PAL-M materials, activated sludge, plant residue, gelatin in the present embodiment
And the parts by weight of EM bacterium are 3 parts of 45 parts of PAL-M materials, 15 parts of activated sludge, 15 parts of plant residue, 5 parts of gelatin and EM bacterium.
It measures embodiment 1-3 process values and obtained influence of the renovation agent to the gas porosity of soil, and with using general fertilizers
Loosing soil degree and do not apply any fertilizer loosing soil degree as a comparison, test result is as follows：
It is found by comparison, renovation agent prepared by embodiment 1-3 has adjustment effect to the gas porosity of soil.
The present invention is exemplarily described above in conjunction with specific embodiment, it is clear that present invention specific implementation is not by upper
State the limitation of mode, if employ the inventive concept and technical scheme of the present invention progress various unsubstantialities improvement or
It is not improved by the present invention design and technical solution directly apply to other occasions, protection scope of the present invention it
It is interior.Protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (8)
- A kind of 1. method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, which is characterized in that the tool of preparation Body step is as follows：1) preparation of PAL-M materials：PAL (palygorskite) powder with NaOH solution is uniformly mixed, is then ultrasonically treated 40- 50min is washed to neutrality, then adds in silane coupling agent, polyvinylpyrrolidone and thiocarbamide, prepared by ultrasonic reaction 1.5-2h PAL-M materials；2) PAL-M materials, activated sludge and plant residue progress high speed dispersion are uniformly mixed, then add in EM bacterium and be stirred After uniformly, extruder grain is carried out, then the spontaneous fermentation at 50-55 DEG C of temperature, after fermentation, spray gelatin in particle surface Solution, and spontaneously dry.
- 2. the method according to claim 1 that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, special Sign is that the grain size of the PAL powder is 200-300 mesh, the circular granular being granulated as grain size 1-1.5cm.
- 3. the method according to claim 1 that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, special Sign is that a concentration of 1.5-2mol/L of the NaOH solution, volume is 0.3-0.5 times of PAL powder.
- 4. the method according to claim 1 that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, special Sign is that the power of the ultrasound is 300-400w, frequency 30-50Hz.
- 5. the method according to claim 1 that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, special Sign is that the silane coupling agent is that mass ratio is 1-1.5:The mixture from coupling agent KH550 and KH570 of 0.8-1.
- 6. the method according to claim 1 that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, special Sign is, the PAL powder, silane coupling agent, polyvinylpyrrolidone and thiocarbamide weight ratio be 1:0.1-0.2:0.05- 0.08:0.3-0.8。
- 7. the method according to claim 1 that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, special Sign is that PAL-M materials, activated sludge, plant residue, gelatin and the parts by weight of EM bacterium are 30-45 parts of PAL-M materials, live Property 1-3 parts of 15-25 parts of sludge, 15-25 parts of plant residue, 5-8 parts of gelatin and EM bacterium.
- 8. the method according to claim 1 that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue, special Sign is that PAL-M materials, activated sludge, plant residue, gelatin and the parts by weight of EM bacterium are 40 parts of PAL-M materials, activity is dirty 2 parts of 20 parts of mud, 25 parts of plant residue, 6.5 parts of gelatin and EM bacterium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479262.0A CN108264427A (en) | 2017-12-29 | 2017-12-29 | A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479262.0A CN108264427A (en) | 2017-12-29 | 2017-12-29 | A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue |
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| Publication Number | Publication Date |
|---|---|
| CN108264427A true CN108264427A (en) | 2018-07-10 |
Family
ID=62773084
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|---|---|---|---|
| CN201711479262.0A Pending CN108264427A (en) | 2017-12-29 | 2017-12-29 | A kind of method that cultivated soil renovation agent is prepared based on PAL-M materials and plant residue |
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