CN107188659A - A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer - Google Patents
A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer Download PDFInfo
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- CN107188659A CN107188659A CN201710308469.5A CN201710308469A CN107188659A CN 107188659 A CN107188659 A CN 107188659A CN 201710308469 A CN201710308469 A CN 201710308469A CN 107188659 A CN107188659 A CN 107188659A
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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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
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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
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
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Abstract
The invention discloses a kind of preparation method of inexpensive chicken manure Slow release organic fertilizer, by weight by 15 25 parts of galapectites, 45 85 parts of water mixing, then 220 260 DEG C of 34h of hydro-thermal reaction 22, centrifuge, dry, add 25 55 parts of hydrochloric acid and stir 25 55min, stand 25 45h, centrifugation, washing, dry, add 35 65 parts of water, 36 parts of celluloses, 0.4 0.8 parts of catalyst stirrings, then 220 260 DEG C of 20min of hydro-thermal reaction 10, centrifuge, washing, add 37 parts of prefabricated microballoons, 25 55 parts of water, 15 45 parts of absolute ethyl alcohol mixing, 60 70 DEG C of dryings, grind into powder, add 100 parts of pre fermentation chicken manures, 1.5 2.5 parts of bactericidal deodorants, water content is adjusted to 7 9wt%, it is crushed to 60 mesh, blending is uniform, granulation, 45 55 DEG C of drying obtain inexpensive chicken manure Slow release organic fertilizer.
Description
Technical field
The present invention relates to organic fertilizer technical field, more particularly to a kind of preparation method of inexpensive chicken manure Slow release organic fertilizer.
Background technology
Scale of being raised chickens with the development of agricultural industrialization, in aquaculture goes from strength to strength, the chicken manure of cultivation base
Gradually increase, the natural stacking of chicken manure, if do not made harmless treatment, the ecological environment to surrounding area is polluted.With chicken
Excrement is that the biological organic fertilizer that raw material is produced not only kills most of pathogen and worm's ovum, reduces pest and disease damage, and be produced into
This is low, cheap；But the biological organic fertilizer slow release effect produced at present by raw material of chicken manure is poor, and retain water and nutrients ability is urgently
Improve.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of preparation of inexpensive chicken manure Slow release organic fertilizer
Method, gained organic fertilizer can be effectively improved the physicochemical character of the soil hardening that chemical fertilizer causes and soil, enhancing soil water-retaining, protect
Fertilizer, feeder capability, enhancing crop is degeneration-resistant, resistance against diseases, and slow release effect is excellent, and continuous cropping obstacle can be alleviated significantly by applying year after year, be made
Thing effect of increasing production is good, and can effectively improve quality of agricultural product.
A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer proposed by the present invention, comprises the following steps：By weight
15-25 parts of galapectites, 45-85 parts of water are mixed into 45-85min, then 220-260 DEG C of hydro-thermal reaction 22-34h, centrifugation point
From, it is dry, hydrochloric acid stirring 25-55min of the 25-55 parts of concentration for 1-1.4mol/L is added, 25-45h is stood, centrifuges, washing is extremely
Neutrality, is dried, and is added 35-65 parts of water, 3-6 parts of celluloses, 0.4-0.8 parts of catalyst and is stirred 30-60min, then 220-260 DEG C
Hydro-thermal reaction 10-20min, is centrifuged, washing, is added 3-7 parts of prefabricated microballoons, 25-55 parts of water, 15-45 parts of absolute ethyl alcohols and is mixed
Stirring 10-18min is closed, 60-70 DEG C of drying, grind into powder adds 100 parts of pre fermentation chicken manures, 1.5-2.5 parts of deodorization and sterilizations
Agent, regulation water content is crushed to 60 mesh to 7-9wt%, and blending is uniform, granulation, and 45-55 DEG C of drying obtains inexpensive chicken manure sustained release
Organic fertilizer.
Preferably, the preparation method of pre fermentation chicken manure is as follows：By chicken manure, zeolite powder, vinasse, fishbone dust, cottonseed cake, rotten plant
Stirred in acid, EM bacteria agent, soil conditioner, water feeding fermentation vat, sealing and fermenting is dried to water content and obtained for 4-6wt%
To pre fermentation chicken manure.
Preferably, the preparation method of pre fermentation chicken manure is as follows：By weight by 50-90 parts of chicken manures, 20-40 parts of zeolite powders,
3-7 parts of vinasse, 8-12 parts of fishbone dusts, 4-8 parts of cottonseed cakes, 8-14 parts of humic acids, 0.6-1.2 parts of EM bacteria agents, 1.5-2.5 parts of soil
Stirred in conditioner, 30-70 parts of water feeding fermentation vats, sealing and fermenting, it is that 4-6wt% obtains pre fermentation to dry to water content
Chicken manure.
Preferably, in the preparation method of pre fermentation chicken manure, the time of sealing and fermenting is 18-24 days, the temperature of sealing and fermenting
For 38-45 DEG C.
Preferably, the preparation method of prefabricated microballoon is as follows：Styrene, acrylic acid are well mixed and obtain the first prefabricated material；
Potassium peroxydisulfate is soluble in water, lead to nitrogen and remove air, add the first prefabricated material, heating stirring, centrifugation demulsification, washing, ultrasound point
It is dispersed in butanol solution, adds toluene, normal heptane stirring, centrifugation, washing obtains prefabricated microballoon.
Preferably, the preparation method of prefabricated microballoon is as follows：Styrene, acrylic acid are well mixed and obtain the first prefabricated material；
Potassium peroxydisulfate is soluble in water, lead to nitrogen and remove air, add the first prefabricated material, be heated to 70-80 DEG C of stirring 10-20h, stirring speed
Spend for 150-350r/min, centrifugation demulsification, washing, ultrasonic disperse is in concentration in 50-70wt% butanol solution, to add first
Benzene, normal heptane stirring 15-25min, centrifugation, washing obtain prefabricated microballoon.
Preferably, the preparation method of prefabricated microballoon is as follows：By weight by 10-25 parts of styrene, 1.5-3.5 parts of acrylic acid
It is well mixed to obtain the first prefabricated material；0.4-0.8 parts of potassium peroxydisulfates are dissolved in 60-90 parts of water, leads to nitrogen and removes air, add the
One prefabricated material, is heated to 70-80 DEG C of stirring 10-20h, mixing speed is 150-350r/min, centrifugation demulsification, washing, ultrasound point
It is dispersed in the butanol solution that 50-70 parts of concentration are 50-70wt%, adds 1.5-2.5 parts of toluene, 4-8 parts of normal heptane stirring 15-
25min, centrifugation, washing obtains prefabricated microballoon.
Gained organic fertilizer of the invention can be effectively improved the physicochemical character of the soil hardening that chemical fertilizer causes and soil, strengthen soil
Water conservation, fertilizer conservation, feeder capability, enhancing crop is degeneration-resistant, resistance against diseases, and slow release effect is excellent, and continuous cropping can be alleviated significantly by applying year after year
Obstacle, crop yield effect is good, and can effectively improve quality of agricultural product；Wherein it is used as by adding EM bacterium solutions during the fermentation
Fermented bacterium, and humic acid mating reaction is not only nutritious, and can environment purification, reduce environmental pollution.
Galapectite passes through after HCl treatment, and impurity is few, using hydro-thermal method, and cellulose is carbon source, and galapectite has tubulose
Structure and big draw ratio, tubular construction surface distributed are uniform, and cellulose hydrothermal carbonization is covered in the surface of galapectite into little particle,
Close-packed arrays are formed carbon-coating between little particle, obtained surface of material rich in the organo-functional group such as C-H, further with it is prefabricated
Microballoon mating reaction, because prefabricated microballoon specific surface area is big, by controlling reaction condition to fit the hole depth of prefabricated microballoon and aperture
In, can be adsorbed on said products surface, and fertilizer conservation water holding capacity is strong, gained be modified galapectite and proper fermentation zeolite powder and
Vinasse, fishbone dust mating reaction, had good sustained release effect, simultaneously because modified galapectite specific area is big, adsorbance is high, to nutrients
The slow release effect of matter is fabulous, can not only improve chicken manure fertilizer efficiency, while improving soil is used for a long time the soil hardening that chemical fertilizer is caused, increases
Plus the permeability of soil, cost is low, and it is notable that crop yield increases matter effect.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer, comprises the following steps：By weight by 15 parts of galapectites,
85 parts of water mix 45min, then 260 DEG C of hydro-thermal reaction 22h, centrifuge, and dry, and it is 1mol/L's to add 55 parts of concentration
Hydrochloric acid stirs 55min, stands 25h, and centrifugation, washing to neutrality is dried, and is added 65 parts of water, 3 parts of celluloses, 0.8 part of catalyst and is stirred
Mix 30min, then 260 DEG C of hydro-thermal reaction 10min, centrifuge, washing, add 7 parts of prefabricated microballoons, 25 parts of water, 45 parts it is anhydrous
Ethanol mixes 10min, and 70 DEG C of dryings, grind into powder adds 100 parts of pre fermentation chicken manures, 1.5 parts of bactericidal deodorants, adjusted
Water content is saved to 9wt%, 60 mesh are crushed to, blending is uniform, and granulation, 45 DEG C of drying obtain inexpensive chicken manure Slow release organic fertilizer.
Embodiment 2
A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer, comprises the following steps：By weight by 25 parts of galapectites,
45 parts of water mix 85min, then 220 DEG C of hydro-thermal reaction 34h, centrifuge, and dry, and it is 1.4mol/L to add 25 parts of concentration
Hydrochloric acid stirring 25min, stand 45h, centrifugation, washing is dried to neutrality, adds 35 parts of water, 6 parts of celluloses, 0.4 part of catalyst
60min is stirred, then 220 DEG C of hydro-thermal reaction 20min, centrifuged, washing adds 3 parts of prefabricated microballoons, 55 parts of water, 15 parts of nothings
Water-ethanol mixes 18min, and 60 DEG C of dryings, grind into powder adds 100 parts of pre fermentation chicken manures, 2.5 parts of bactericidal deodorants,
Water content is adjusted to 7wt%, 60 mesh are crushed to, blending is uniform, and granulation, 55 DEG C of drying obtain inexpensive chicken manure Slow release organic fertilizer.
The preparation method of pre fermentation chicken manure is as follows：By chicken manure, zeolite powder, vinasse, fishbone dust, cottonseed cake, humic acid, EM bacterium
Stirred in agent, soil conditioner, water feeding fermentation vat, sealing and fermenting, it is that 4-6wt% obtains pre fermentation to dry to water content
Chicken manure.
The preparation method of prefabricated microballoon is as follows：Styrene, acrylic acid are well mixed and obtain the first prefabricated material；By persulfuric acid
Potassium is soluble in water, leads to nitrogen and removes air, adds the first prefabricated material, and heating stirring, centrifugation is demulsified, washing, and ultrasonic disperse is in butanol
In solution, toluene, normal heptane stirring are added, centrifugation, washing obtains prefabricated microballoon.
Embodiment 3
A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer, comprises the following steps：By weight by 18 parts of galapectites,
75 parts of water mix 55min, then 250 DEG C of hydro-thermal reaction 26h, centrifuge, and dry, and it is 1.1mol/L to add 45 parts of concentration
Hydrochloric acid stirring 45min, stand 30h, centrifugation, washing is dried to neutrality, adds 55 parts of water, 4 parts of celluloses, 0.7 part of catalyst
35min is stirred, then 250 DEG C of hydro-thermal reaction 12min, centrifuged, washing adds 6 parts of prefabricated microballoons, 35 parts of water, 40 parts of nothings
Water-ethanol mixes 12min, and 68 DEG C of dryings, grind into powder adds 100 parts of pre fermentation chicken manures, 1.8 parts of bactericidal deodorants,
Water content is adjusted to 8.5wt%, 60 mesh are crushed to, blending is uniform, granulation, it is organic that 48 DEG C of drying obtain inexpensive chicken manure sustained release
Fertilizer.
The preparation method of pre fermentation chicken manure is as follows：By weight by 90 parts of chicken manures, 20 portions of zeolite powders, 7 portions of vinasse, 8 portions of fishes
Stir equal in bone meal, 8 parts of cottonseed cakes, 8 parts of humic acids, 1.2 parts of EM bacteria agents, 1.5 parts of soil conditioners, 70 parts of water feeding fermentation vats
It is even, sealing and fermenting 18 days, the temperature of sealing and fermenting is 45 DEG C, and it is that 4wt% obtains pre fermentation chicken manure to dry to water content.
The preparation method of prefabricated microballoon is as follows：The is obtained by 25 parts of styrene, 1.5 parts of acrylic acid are well mixed by weight
One prefabricated material；0.8 part of potassium peroxydisulfate is dissolved in 60 parts of water, leads to nitrogen and removes air, add the first prefabricated material, be heated to 80 DEG C and stir
10h is mixed, mixing speed is 350r/min, centrifugation demulsification, washing, ultrasonic disperse is in the butanol solution that 50 parts of concentration are 70wt%
In, 1.5 parts of toluene, 8 parts of normal heptane stirring 15min are added, centrifugation, washing obtains prefabricated microballoon.
Embodiment 4
A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer, comprises the following steps：By weight by 22 parts of galapectites,
55 parts of water mix 75min, then 230 DEG C of hydro-thermal reaction 30h, centrifuge, and dry, and it is 1.3mol/L to add 35 parts of concentration
Hydrochloric acid stirring 35min, stand 40h, centrifugation, washing is dried to neutrality, adds 45 parts of water, 5 parts of celluloses, 0.5 part of catalyst
55min is stirred, then 230 DEG C of hydro-thermal reaction 18min, centrifuged, washing adds 4 parts of prefabricated microballoons, 45 parts of water, 20 parts of nothings
Water-ethanol mixes 16min, and 62 DEG C of dryings, grind into powder adds 100 parts of pre fermentation chicken manures, 2.2 parts of bactericidal deodorants,
Water content is adjusted to 7.5wt%, 60 mesh are crushed to, blending is uniform, granulation, it is organic that 52 DEG C of drying obtain inexpensive chicken manure sustained release
Fertilizer.
The preparation method of pre fermentation chicken manure is as follows：By weight by 50 parts of chicken manures, 40 portions of zeolite powders, 3 portions of vinasse, 12 portions of fishes
Stirred in bone meal, 4 parts of cottonseed cakes, 14 parts of humic acids, 0.6 part of EM bacteria agent, 2.5 parts of soil conditioners, 30 parts of water feeding fermentation vats
Uniformly, sealing and fermenting 24 days, the temperature of sealing and fermenting is 38 DEG C, and it is that 6wt% obtains pre fermentation chicken manure to dry to water content.
The preparation method of prefabricated microballoon is as follows：The is obtained by 10 parts of styrene, 3.5 parts of acrylic acid are well mixed by weight
One prefabricated material；0.4 part of potassium peroxydisulfate is dissolved in 90 parts of water, leads to nitrogen and removes air, add the first prefabricated material, be heated to 70 DEG C and stir
20h is mixed, mixing speed is 150r/min, centrifugation demulsification, washing, ultrasonic disperse is in the butanol solution that 70 parts of concentration are 50wt%
In, 2.5 parts of toluene, 4 parts of normal heptane stirring 25min are added, centrifugation, washing obtains prefabricated microballoon.
Embodiment 5
A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer, comprises the following steps：By weight by 20 parts of galapectites,
65 parts of water mix 65min, then 240 DEG C of hydro-thermal reaction 28h, centrifuge, and dry, and it is 1.2mol/L to add 40 parts of concentration
Hydrochloric acid stirring 40min, stand 35h, centrifugation, washing is dried to neutrality, add 50 parts of water, 4.5 parts of celluloses, 0.6 part of catalysis
45min, then 240 DEG C of hydro-thermal reaction 15min are stirred in agent, are centrifuged, washing, add 5 parts of prefabricated microballoons, 40 parts of water, 30 parts
Absolute ethyl alcohol mixes 14min, and 65 DEG C of dryings, grind into powder adds 100 parts of pre fermentation chicken manures, 2 parts of bactericidal deodorants,
Water content is adjusted to 8wt%, 60 mesh are crushed to, blending is uniform, and granulation, 50 DEG C of drying obtain inexpensive chicken manure Slow release organic fertilizer.
The preparation method of pre fermentation chicken manure is as follows：By weight by 70 parts of chicken manures, 30 portions of zeolite powders, 5 portions of vinasse, 10 portions of fishes
Stir equal in bone meal, 6 parts of cottonseed cakes, 11 parts of humic acids, 0.9 part of EM bacteria agent, 2 parts of soil conditioners, 50 parts of water feeding fermentation vats
It is even, sealing and fermenting, it is that 5wt% obtains pre fermentation chicken manure to dry to water content.
The preparation method of prefabricated microballoon is as follows：Styrene, acrylic acid are well mixed and obtain the first prefabricated material；By persulfuric acid
Potassium is soluble in water, leads to nitrogen and removes air, adds the first prefabricated material, is heated to 75 DEG C of stirring 15h, mixing speed is 250r/min,
Centrifugation demulsification, washing, ultrasonic disperse adds toluene, normal heptane stirring 20min in the butanol solution that concentration is 60wt%, from
The heart, washing obtains prefabricated microballoon.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (7)
1. a kind of preparation method of inexpensive chicken manure Slow release organic fertilizer, it is characterised in that comprise the following steps：By weight will
15-25 parts of galapectites, 45-85 parts of water mix 45-85min, and then 220-260 DEG C of hydro-thermal reaction 22-34h, is centrifuged,
Dry, add hydrochloric acid stirring 25-55min of the 25-55 parts of concentration for 1-1.4mol/L, stand 25-45h, centrifugation is washed into
Property, dry, add 35-65 parts of water, 3-6 parts of celluloses, 0.4-0.8 parts of catalyst stirring 30-60min, then 220-260 DEG C of water
Thermal response 10-20min, is centrifuged, washing, adds 3-7 parts of prefabricated microballoons, 25-55 parts of water, 15-45 parts of absolute ethyl alcohol mixing
10-18min is stirred, 60-70 DEG C of drying, grind into powder adds 100 parts of pre fermentation chicken manures, 1.5-2.5 parts of bactericidal deodorants,
Water content is adjusted to 7-9wt%, 60 mesh are crushed to, blending is uniform, granulation, 45-55 DEG C of drying, which obtains inexpensive chicken manure sustained release, to be had
Machine fertilizer.
2. the preparation method of inexpensive chicken manure Slow release organic fertilizer according to claim 1, it is characterised in that pre fermentation chicken manure
Preparation method is as follows：By chicken manure, zeolite powder, vinasse, fishbone dust, cottonseed cake, humic acid, EM bacteria agent, soil conditioner, water feeding
Stirred in fermentation vat, sealing and fermenting, it is that 4-6wt% obtains pre fermentation chicken manure to dry to water content.
3. the preparation method of inexpensive chicken manure Slow release organic fertilizer according to claim 1 or claim 2, it is characterised in that pre fermentation chicken
The preparation method of excrement is as follows：By weight by 50-90 parts of chicken manures, 20-40 parts of zeolite powders, 3-7 parts of vinasse, 8-12 portions of fishbone dusts,
4-8 parts of cottonseed cakes, 8-14 parts of humic acids, 0.6-1.2 parts of EM bacteria agents, 1.5-2.5 parts of soil conditioners, 30-70 parts of water feeding hairs
Ferment stirs in pond, sealing and fermenting, and it is that 4-6wt% obtains pre fermentation chicken manure to dry to water content.
4. the preparation method of inexpensive chicken manure Slow release organic fertilizer according to Claims 2 or 3, it is characterised in that pre fermentation chicken
In the preparation method of excrement, the time of sealing and fermenting is 18-24 days, and the temperature of sealing and fermenting is 38-45 DEG C.
5. according to the preparation method of any one of the claim 1-4 inexpensive chicken manure Slow release organic fertilizers, it is characterised in that prefabricated
The preparation method of microballoon is as follows：Styrene, acrylic acid are well mixed and obtain the first prefabricated material；Potassium peroxydisulfate is soluble in water,
Logical nitrogen removes air, adds the first prefabricated material, and heating stirring, centrifugation demulsification, washing, ultrasonic disperse is added in butanol solution
Toluene, normal heptane stirring, centrifugation, washing obtain prefabricated microballoon.
6. according to the preparation method of any one of the claim 1-5 inexpensive chicken manure Slow release organic fertilizers, it is characterised in that prefabricated
The preparation method of microballoon is as follows：Styrene, acrylic acid are well mixed and obtain the first prefabricated material；Potassium peroxydisulfate is soluble in water,
Logical nitrogen removes air, adds the first prefabricated material, is heated to 70-80 DEG C of stirring 10-20h, mixing speed is 150-350r/min, from
The heart is demulsified, washing, and ultrasonic disperse stirs 15- in concentration in 50-70wt% butanol solution, to add toluene, normal heptane
25min, centrifugation, washing obtains prefabricated microballoon.
7. according to the preparation method of any one of the claim 1-6 inexpensive chicken manure Slow release organic fertilizers, it is characterised in that prefabricated
The preparation method of microballoon is as follows：By 10-25 parts of styrene, 1.5-3.5 parts of acrylic acid, well mixed to obtain first pre- by weight
System material；0.4-0.8 parts of potassium peroxydisulfates are dissolved in 60-90 parts of water, leads to nitrogen and removes air, add the first prefabricated material, be heated to 70-
80 DEG C of stirring 10-20h, mixing speed is 150-350r/min, centrifugation demulsification, washing, and ultrasonic disperse is in 50-70 parts of concentration
In 50-70wt% butanol solution, 1.5-2.5 parts of toluene, 4-8 parts of normal heptane stirring 15-25min are added, centrifugation, washing is obtained
Prefabricated microballoon.
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| CN201710308469.5A CN107188659A (en) | 2017-05-04 | 2017-05-04 | A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer |
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| CN201710308469.5A CN107188659A (en) | 2017-05-04 | 2017-05-04 | A kind of preparation method of inexpensive chicken manure Slow release organic fertilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142521A (en) * | 2020-10-06 | 2020-12-29 | 青岛一亩地农业科技有限责任公司 | Environment-friendly multielement slow-release fertilizer and preparation method thereof |
-
2017
- 2017-05-04 CN CN201710308469.5A patent/CN107188659A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112142521A (en) * | 2020-10-06 | 2020-12-29 | 青岛一亩地农业科技有限责任公司 | Environment-friendly multielement slow-release fertilizer and preparation method thereof |
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Application publication date: 20170922 |