CN107285963A - The overcritical attapulgite modified method and functional organic fertilizer for preparing functional organic fertilizer - Google Patents
The overcritical attapulgite modified method and functional organic fertilizer for preparing functional organic fertilizer Download PDFInfo
- Publication number
- CN107285963A CN107285963A CN201710683770.4A CN201710683770A CN107285963A CN 107285963 A CN107285963 A CN 107285963A CN 201710683770 A CN201710683770 A CN 201710683770A CN 107285963 A CN107285963 A CN 107285963A
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- China
- Prior art keywords
- attapulgite
- organic fertilizer
- functional organic
- scion grafting
- persulfate
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Classifications
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
The invention discloses a kind of overcritical attapulgite modified method and functional organic fertilizer for preparing functional organic fertilizer, this method includes：1）Attapulgite, ethanol, amino acid, water are subjected to first supercritical processing in closed space, it is attapulgite modified to obtain then to filter to take filter cake；2）Attapulgite modified, lactic acid, persulfate and diethyl ether are subjected to scion grafting polymerisation, filter cake is filtered to take with obtained PLA scion grafting attapulgite；3）PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus are subjected to heap fermentation, then dries, crush that functional organic fertilizer is made.The gas porosity of soil can significantly be improved by functional organic fertilizer made from this method, while the preparation method has the advantages that process is simple and raw material is easy to get.
Description
Technical field
The present invention relates to functional organic fertilizer, overcritical attapulgite modified functional organic fertilizer is prepared in particular it relates to a kind of
Method and functional organic fertilizer.
Background technology
Fertilizer, is to provide nutrient necessary to one or more kinds of plants, improves soil property, increases soil fertility
One class material of level.Wherein, fertilizer can be divided into inorganic fertilizer and organic fertilizer, and inorganic fertilizer is mainly single unit fertilizer
Material（Only contain a kind of nutrient element）And compound fertilizer（Containing two or more nutrient element）；And organic fertilizer is mainly and passed through
The fertilizer that organic matter is prepared from.Inorganic fertilizer has the advantages that fertilizer efficiency is fast, but easily causes hardened suddenly；Organic fertilizer has
There is more environmentally friendly advantage, but it still has certain defect, heavy metal is rich in as, and then result in the plant of cultivation
Content of beary metal it is higher.
The content of the invention
It is an object of the invention to provide a kind of overcritical attapulgite modified method and function for preparing functional organic fertilizer
Organic fertilizer, the gas porosity of soil can be significantly improved by functional organic fertilizer made from this method, while the preparation method
Have the advantages that process is simple and raw material is easy to get.
To achieve these goals, the invention provides a kind of overcritical attapulgite modified side for preparing functional organic fertilizer
Method, this method includes：
1）Attapulgite, ethanol, amino acid, water are subjected to first supercritical processing in closed space, then filter to take filter cake with
Obtain attapulgite modified；
2）Attapulgite modified, lactic acid, persulfate and diethyl ether are subjected to scion grafting polymerisation, filter cake is filtered to take with obtained poly-
Lactic acid scion grafting attapulgite；
3）PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus are subjected to heap fermentation, then
Dry, crush that functional organic fertilizer is made.
Present invention also offers a kind of functional organic fertilizer, the functional organic fertilizer is prepared by above-mentioned method.
In the above-mentioned technical solutions, the present invention first by first supercritical processing attapulgite surface modification amino acid,
Then PLA is formed into PLA scion grafting by amino acid scion grafting on the surface of attapulgite by way of polymerizeing in scion grafting
Attapulgite；PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus are finally subjected to accumulation hair
Ferment obtains functional organic fertilizer；On the one hand the organic fertilizer can provide crop enough fertility, on the other hand, utilize attapulgite
Active physical characteristic and PLA can be with the characteristic of natural decomposition so that soil be able to after fertilising naturally dredge
Pine, and then improve the gas porosity of soil.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The invention provides a kind of overcritical attapulgite modified method for preparing functional organic fertilizer, this method includes：
1）Attapulgite, ethanol, amino acid, water are subjected to first supercritical processing in closed space, then filter to take filter cake with
Obtain attapulgite modified；
2）Attapulgite modified, lactic acid, persulfate and diethyl ether are subjected to scion grafting polymerisation, filter cake is filtered to take with obtained poly-
Lactic acid scion grafting attapulgite；
3）PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus are subjected to heap fermentation, then
Dry, crush that functional organic fertilizer is made.
In the step 1 of above-mentioned preparation method）In, the consumption of each material can be selected in wide scope, but in order that
Obtained functional organic fertilizer can preferably improve the gas porosity of soil, it is preferable that in step 1）In, attapulgite, ethanol, ammonia
Base acid, the weight ratio of water are 1：2-4：0.2-0.5：1-3.
In the step 1 of above-mentioned preparation method）In, the actual conditions of first supercritical processing can be selected in wide scope, but
It is in order that obtained functional organic fertilizer can preferably improve the gas porosity of soil, it is preferable that in step 1）In, overcritical place
Reason at least meets lower condition：Temperature is 380-400 DEG C, and the time is 10-15h.
In the step 1 of above-mentioned preparation method）In, the specific species of amino acid can be selected in wide scope, but be
Obtained functional organic fertilizer is set preferably to improve the gas porosity of soil, it is preferable that in step 1）In, amino acid is selected from benzene
At least one of alanine, tyrosine, tryptophan, valine and aspartic acid.
In the step 2 of above-mentioned preparation method）In, the consumption of each material can be selected in wide scope, but in order that
Obtained functional organic fertilizer can preferably improve the gas porosity of soil, it is preferable that in step 2）In, attapulgite modified, breast
The weight ratio of acid, persulfate and diethyl ether is 1：0.1-0.2：0.005-0.01：5-10.
In the step 2 of above-mentioned preparation method）In, the condition of scion grafting polymerisation can be selected in wide scope, still
In order that obtained functional organic fertilizer can preferably improve the gas porosity of soil, it is preferable that in step 2）In, scion grafting polymerization is anti-
Following condition should at least be met：Reaction temperature is 40-60 DEG C, and the reaction time is 8-10h.
In the step 2 of above-mentioned preparation method）In, the species of persulfate can be selected in wide scope, but in order to
Obtained functional organic fertilizer is set preferably to improve the gas porosity of soil, it is preferable that in step 2）In, persulfate was selected from
At least one of sulfate potassium, persulfate sodium and ammonium persulfate.
In the step 3 of above-mentioned preparation method）In, the consumption of each material can be selected in wide scope, but in order that
Obtained functional organic fertilizer can preferably improve the gas porosity of soil, it is preferable that in step 3）In, PLA scion grafting concave convex rod
Soil, beast poultry manure, dregs of beans, humic acid, cotton seed hulls, wheat bran, the weight ratio of bacillus are 1：3-6：0.5-1.5：0.2-0.5：
1-1.5：2-3：0.08-0.15.
In the step 3 of above-mentioned preparation method）In, the condition of heap fermentation can be selected in wide scope, but in order to
Obtained functional organic fertilizer is set preferably to improve the gas porosity of soil, it is preferable that in step 3）In, heap fermentation is at least full
It is enough lower condition：Fermentation temperature is 50-70 DEG C, and fermentation time is 15-30 days.
In the step 3 of above-mentioned preparation method）In, dry condition can be selected in wide scope, but in order that system
The functional organic fertilizer obtained can preferably improve the gas porosity of soil, it is preferable that drying at least meets following condition：Drying temperature
For 80-100 DEG C, drying time is 12-24h.
Present invention also offers a kind of functional organic fertilizer, the functional organic fertilizer is prepared by above-mentioned method.
The present invention will be described in detail by way of examples below.
Embodiment 1
1）By attapulgite, ethanol, amino acid（Phenylalanine）, water is according to 1：3：0.4：2 weight is than closed in 390 DEG C
First supercritical processing 13h is carried out in space, filter cake is then filtered to take attapulgite modified to obtain；
2）By attapulgite modified, lactic acid, persulfate（Persulfate potassium）With diethyl ether according to 1：0.15：0.008：8 weight
Amount is than in carrying out scion grafting polymerisation 9h, filter to take filter cake so that PLA scion grafting attapulgite is made at 50 DEG C；
3）By PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus according to 1：4：0.8：0.4：
1.3：2.5：0.10 weight ratio is in carrying out heap fermentation 20 days at 60 DEG C, then in dry 20h, crushing at 90 DEG C with obtained work(
Can organic fertilizer A1.
Embodiment 2
1）By attapulgite, ethanol, amino acid（Tyrosine）, water is according to 1：2：0.2：1 weight is than in 380 DEG C of closed sky
Between in carry out first supercritical processing 10h, then filter to take filter cake attapulgite modified to obtain；
2）By attapulgite modified, lactic acid, persulfate（Persulfate sodium）With diethyl ether according to 1：0.1：0.005：5 weight
Than in carrying out scion grafting polymerisation 8h at 40 DEG C, filter to take filter cake so that PLA scion grafting attapulgite is made；
3）By PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus according to 1：3：0.5：0.2：1：
2：0.08 weight ratio is then organic so that function is made in drying 12h, crushing at 80 DEG C in carrying out heap fermentation at 50 DEG C 15 days
Fertile A2.
Embodiment 3
1）By attapulgite, ethanol, amino acid（Valine）, water is according to 1：4：0.5：3 weight is than in 400 DEG C of closed sky
Between in carry out first supercritical processing 15h, then filter to take filter cake attapulgite modified to obtain；
2）By attapulgite modified, lactic acid, persulfate（Ammonium persulfate）With diethyl ether according to 1：0.2：0.01：10 weight ratio
In carrying out scion grafting polymerisation 10h at 60 DEG C, filter to take filter cake so that PLA scion grafting attapulgite is made；
3）By PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus according to 1：6：1.5：0.5：
1.5：3：0.15 weight ratio is in carrying out heap fermentation 30 days at 70 DEG C, then in dry 24h, crushing at 100 DEG C with obtained work(
Can organic fertilizer A3.
Comparative example 1
Method according to embodiment 1 carries out that organic fertilizer B1 is made, unlike, step 1）In be not used amino acid.
Comparative example 2
Method according to embodiment 1 carries out that organic fertilizer B2 is made, unlike, step 1）In be not used lactic acid.
Comparative example 3
Method according to embodiment 1 carries out that organic fertilizer B3 is made, unlike, step 1）In be not used bacillus.
Detect example 1
Commercially available composite fertilizer, organic fertilizer A1-A3, B1-B3 are applied fertilizer to the soil of the same area respectively, then before detection fertilising
Soil total gap rate afterwards, detection method is with reference to Soil K+adsorption series standard（NY/T1121-2006）Middle soil total gap rate
Detection method, concrete outcome is shown in Table 1.
Table 1
By above-described embodiment, comparative example and detection example, the functional organic fertilizer that the present invention is provided can significantly improve soil
The gas porosity of earth.
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of overcritical attapulgite modified method for preparing functional organic fertilizer, it is characterised in that methods described includes：
1）Attapulgite, ethanol, amino acid, water are subjected to first supercritical processing in closed space, then filter to take filter cake with
Obtain attapulgite modified；
2）Attapulgite modified, lactic acid, persulfate and diethyl ether are subjected to scion grafting polymerisation, filter cake is filtered to take with obtained poly-
Lactic acid scion grafting attapulgite；
3）The PLA scion grafting attapulgite, dregs of beans, humic acid, cotton seed hulls, wheat bran, bacillus are subjected to heap fermentation,
Then dry, crush and overcritical attapulgite modified prepare functional organic fertilizer to be made described.
2. according to the method described in claim 1, wherein, in step 1）In, the attapulgite, ethanol, amino acid, the weight of water
Amount is than being 1：2-4：0.2-0.5：1-3.
3. according to the method described in claim 1, wherein, in step 1）In, the first supercritical processing at least meets lower condition：Temperature
Spend for 380-400 DEG C, the time is 10-15h.
4. according to the method described in claim 1, wherein, in step 1）In, the amino acid be selected from phenylalanine, tyrosine,
At least one of tryptophan, valine and aspartic acid.
5. the described method according to any one in claim 1-4, wherein, in step 2）In, the modified attapulgite
Soil, lactic acid, the weight ratio of persulfate and diethyl ether are 1：0.1-0.2：0.005-0.01：5-10.
6. described method according to claim 5, wherein, in step 2）In, the scion grafting polymerisation at least meet with
Lower condition：Reaction temperature is 40-60 DEG C, and the reaction time is 8-10h.
7. described method according to claim 5, wherein, in step 2）In, the persulfate be selected from persulfate potassium,
At least one of persulfate sodium and ammonium persulfate.
8. the described method according to claim 6 or 7, wherein, in step 3）In, the PLA scion grafting attapulgite,
Beast poultry manure, dregs of beans, humic acid, cotton seed hulls, wheat bran, the weight ratio of bacillus are 1：3-6：0.5-1.5：0.2-0.5：1-
1.5：2-3：0.08-0.15.
9. described method according to claim 8, wherein, in step 3）In, the heap fermentation at least meets following bar
Part：Fermentation temperature is 50-70 DEG C, and fermentation time is 15-30 days；
Preferably, the drying at least meets following condition：Drying temperature is 80-100 DEG C, and drying time is 12-24h.
10. a kind of functional organic fertilizer, it is characterised in that the functional organic fertilizer passes through described in any one in claim 1-9
Method be prepared.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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Application publication date: 20171024 |