CN104557287A - Green ecological potash fertilizer and preparation method thereof - Google Patents
Green ecological potash fertilizer and preparation method thereof Download PDFInfo
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- CN104557287A CN104557287A CN201410823963.1A CN201410823963A CN104557287A CN 104557287 A CN104557287 A CN 104557287A CN 201410823963 A CN201410823963 A CN 201410823963A CN 104557287 A CN104557287 A CN 104557287A
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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
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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 belongs to the field of crop fertilizers, and particularly relates to a green ecological potash fertilizer and a preparation method thereof. The green ecological potash fertilizer is mainly prepared from a potash fertilizer, water hyacinth, phosphate ore and an active conditioner, and prepared by the following steps: firstly removing heavy metals from the water hyacinth, and then mixing the processed water hyacinth with the potash fertilizer and the active conditioner. According to the green ecological potash fertilizer, the water hyacinth is used as a main organic matter, so that the leaching loss of the potash fertilizer in the soil can be avoided, meanwhile, the soil is improved, soil hardening is reduced, the organic matter in the soil is increased, the microbial activity is improved, and the stress resistance and the disease resistance of the crops are improved; while the potash fertilizer is provided, the water hyacinth which has a certain negative effect on the environment is reasonably utilized, so that the environment burden can be reduced; the green ecological potash fertilizer is an environment-friendly ecological fertilizer which is safe and non-toxic to people and livestock, and environment-friendly.
Description
Technical field
The invention belongs to the fertilizer field of farm crop, ecological potash fertilizer more precisely relating to a kind of environmental protection and preparation method thereof.
Background technology
Ecological fertilizer is a kind of environmental friendly fertilizer, and it contains a large amount of organic matters, can promote the activity of Soil Microorganism in being manured into soil, strengthen the degeneration-resistant resistance against diseases of crop, reduce continuous cropping, use year after year and greatly can alleviate continuous cropping obstacle, promote quality of agricultural product; Also can improve Soil structure, increase the porosity of soil, keep soil from packing together; Water loss and evaporation can be reduced simultaneously, alleviate arid pressure, fertilizer conservation, minimizing chemical fertilizer, alleviate saline and alkaline infringement, promote soil fertility, reach while nutrition is provided, improve the effect of soil.
Along with increasing of world population, grain yield problem is an important topic in agriculture production.In order to improve grain yield, the use of chemical fertilizer is essential, is mainly the use of N P and K in chemical fertilizer, and wherein the growth tool of potash fertilizer to crop plays a very important role.Potash fertilizer exists with the form of ion at soil, and potash fertilizer small part is absorbed by crops, and rest part leaching runs off, and the calcium ion in its subsidiary sulfate radical or chlorion and soil forms calcium sulfate or calcium chloride, reduce calcium contents in soil, cause soil compaction, reduce soil fertility.Therefore the not scientifical use of chemical fertilizer has caused natural ecological environment pollution in various degree and destruction.Food safety has become an important topic of current livelihood issues, people to the serious hope of pollution-free ecological environment and the demand of green food more and more urgent.
Herba Eichhorniae is a kind of waterplant, and it has the ability of nitrogen phosphorus nutrient in stronger absorption water body and soil pick-up, and the heavy metal simultaneously in Absorbable rod water body is effective plant of water ecology reparation and prevention and cure of pollution.But the reproduction speed of Herba Eichhorniae in water is very fast, as cleared up not in time, will block river course, affect traffic, and it takies a large amount of nutrient, causes the extinction of waterplant and animal in river, destroy the ecotope in river course.The Herba Eichhorniae salvaged at present is on a small quantity as fodder additives, and major part is idle throws away, and causes secondary pollution.Also the report utilizing producing organic fertilizer by using water hyacinth is had in recent years.Chinese invention patent publication number CN101962308A discloses a kind of method utilizing waterplant to prepare water keeping fertilizer, for raw material with Herba Eichhorniae class waterplant, obtain having the waterplant fiber of water suction and water-retentivity performance by modification, then mix with chemical fertilizer etc. and generate a kind of fertilizer with water retention property.Containing a large amount of heavy metals in Herba Eichhorniae, this invention not heavy metal processes, and in being manured into soil, all causes Heavy Metal Pollution to plants and soil.Chinese invention patent publication number CN102674934A discloses water-maintaining amino acid bio-organic fertilizer prepared by a kind of Herba Eichhorniae, fresh new Herba Eichhorniae is pulverized, adds probiotics, add brown coal, conventional organic materials and agricultural rare-earth mixing after mixing, fermentation and ferment again, sub-sieve, obtained finished product.Chinese invention patent publication number CN103601566A discloses a kind of Water hyacinth organic fertilizer, and it is by Herba Eichhorniae dry product, biological bacteria, the peat composed of rotten mosses, mineral fertilizer mixed fermentation gained.Chinese invention patent publication number CN101913932A discloses a kind of method for producing organic phosphorus fertilizer by water hyacinth acid making, this invention adopts vegetable acid bacterial strain mother liquor to obtain acid solution with the fresh Herba Eichhorniae mixing secondary fermentation of chopping, more obtained organic phosphatic fertiliser after adding Rock Phosphate (72Min BPL) mixing and stirring.Above patent is all carried out the production of fertilizer by the process means of hyacinth fermentation, does not process the heavy metal in Herba Eichhorniae, all can cause Heavy Metal Pollution to crop and soil.
Summary of the invention
In order to improve the utilization ratio of potash fertilizer, solve the harm to crop and soil of heavy metal in Herba Eichhorniae, the present invention proposes a kind of green ecological potash fertilizer, this green ecological potash fertilizer is that Herba Eichhorniae is carried out removal heavy metal process, combine under the effect of tensio-active agent with potash fertilizer again, the leaching of potash fertilizer in soil can be effectively prevented to run off, improve the utilization ratio of potash fertilizer, also soil can be improved simultaneously, prevent the heavy metal contamination in soil, organic matter in increase soil and the fertility of soil, improve microorganism active, promote the product quality of farm crop, a kind of to crop and all harmless green ecological potash fertilizer of soil.
Invention further provides a kind of preparation method of green ecological potash fertilizer, the method is first pulverized by Herba Eichhorniae, removal heavy metal again, potash fertilizer and activation amendment is being added after filtration, nutritive substance in potash fertilizer and Herba Eichhorniae is combined, generates a kind of green ecological potash fertilizer with sustained release performance.
A kind of green ecological potash fertilizer of the present invention, is characterized in that: its each material consists of following weight part:
Potash fertilizer: 20 ~ 30 parts,
Herba Eichhorniae: 30 ~ 50 parts,
Activation amendment: 15 ~ 30 parts,
Rock Phosphate (72Min BPL): 5 ~ 10 parts,
Tensio-active agent: 2 ~ 5 parts,
Potash fertilizer described above be following any one or a few: potassium sulfate, Repone K, saltpetre, potassium primary phosphate.Herba Eichhorniae be in river course or pond May to the October fresh water cucurbit salvaged.After Herba Eichhorniae is salvaged from river course or pond, small part is as fodder additives, and major part is then idle, causes the waste of space and resource, also will cause secondary pollution simultaneously.Containing abundant polysaccharide, protein, fat, amino acid, brass and trace element etc. in Herba Eichhorniae, polysaccharose substance becomes small molecules carbohydrate by microbial decomposition in soil, can directly be absorbed by crop root, for crop provides C, H, O, promote to do carbohydrate synthesis in object, promote plant growth.Protein, amino acid and brass are natural plant-growth regulator, and the various enzymic activitys in object are made in direct activation, promote that crop is to the absorption of nutritive ingredient and utilization.Herba Eichhorniae also has certain absorption property simultaneously, can when keeping potassium ion not run off, and the various nutritive ingredients in Enriching soil, for Crop.Herba Eichhorniae is fast to the nitrogen phosphorus nutrient uptake and utilization in water body, therefore in its body, the compound of Nitrogen-and Phosphorus-containing is more, these compounds are converted into various small organic molecule by Herba Eichhorniae mostly, apply in soil as fertilizer, crop can be total to directly absorb, for crop provides nitrogen phosphorus nutrient, thus promote the growth of crop.
Activation amendment described above is following material composition: natural mineral and gelatin waste, and its ratio is natural mineral: the wherein said natural mineral of gelatin waste=2 ~ 4:1. is one or more mixtures in following several material: wilkinite, kaolin, diatomite, attapulgite, sepiolite and medical stone.Containing the trace element needed for plant and rare earth element in these natural mineral, can plant growth be promoted, improve the disease-resistant degeneration-resistant insect-resistance of crop, improve the quality of crop; Also there is certain absorption property simultaneously, can k adsorption ion, prevent potassium ion to be leached loss; Also can improve soil simultaneously, increase the crumb structure of soil and the quantity of soil micelle, promote microbic activity, improve the fertility of soil, promote the growth of crop.Containing the organism, amino acid etc. in a large amount of animal bone powders and animal body in gelatin waste described above, these wastes can be used as the growth raw material of Soil Microorganism, promote microbial growth, improve microbic activity, thus improve as the absorption to nutritive ingredient, increase soil fertility.
Tensio-active agent described above is any one in following material: poly-propylhomoserin, toxilic acid, xanthan gum, hyaluronic acid, rhamnosyl.These tensio-active agents can change Herba Eichhorniae surface tension, can combine with potassium ion, and fixing potassium ion, prevents the leaching of potassium ion to run off, reach the object of slowly-releasing, improves the utilization ratio of potassium ion.
The preparation method of a kind of green ecological potash fertilizer of the present invention, is characterized in that: comprise the following steps:
(1), after being rinsed well by mud with clear water by the fresh water cucurbit of salvaging, pulverizer is utilized to be crushed to 5 ~ 10cm size, for subsequent use;
(2) be added in reactive tank by the Herba Eichhorniae after pulverizing, add clear water simultaneously and flood solid water cucurbit, add acid-base modifier adjust ph to 5 ~ 7, setting temperature of reaction is 30 DEG C, after keeping 2 ~ 4 days with this understanding, filters to obtain solid;
(3) being carried out by the solid water cucurbit in step (2) dewatering to moisture content is 20% ~ 25%, and it is 50 ~ 100 orders that recycling pulverizer is crushed to granularity;
(4) be added in stirred autoclave by the solid obtained in step (3), add potash fertilizer, Rock Phosphate (72Min BPL) and tensio-active agent simultaneously, adjusted to ph is 5 ~ 7, abundant hybrid reaction 9 ~ 11h;
(5) add activation amendment, after continuing stirring 3 ~ 5h, being dried to moisture content is 3% ~ 5%, a kind of green ecological potash fertilizer.
In acid-base modifier in above-mentioned steps (2) and (4), wherein acidity regulator is nitric acid (HNO
3) and sodium hydroxide (NaOH), it is 30 DEG C in temperature, pH value is under the clear water condition of 5 ~ 7, most of heavy metal in Herba Eichhorniae can dissociate out, is dissolved in clear water, by filtering, can go out plurality of heavy metal, reducing the content of heavy metal in Herba Eichhorniae, avoiding Herba Eichhorniae for causing heavy metal contamination to crop and soil in fertilizer, harm humans health and edatope.
A kind of green ecological potash fertilizer of the present invention and preparation method thereof, utilize the main carriers of Herba Eichhorniae as potash fertilizer of high organism and absorption property, tensio-active agent is utilized organic matter and inorganic fertilizer to be combined, the leaching of potash fertilizer effectively can be prevented to run off and surrounded by soil mesosilicic acid salt fixing, can sustained release performance be reached simultaneously, improve the utilization ratio of potash fertilizer.Can be again plant provides macroelement and medium trace element simultaneously, and its absorption property can absorb moisture, and preserves, and can reach water conservation object.This fertilizer also can increase the crumb structure of soil, improves hardening of soil, increases the transparent performance of soil, promotes soil microorganisms and plant root activity, promotes that crop is to the absorption of nutrient, strengthens the degeneration-resistant disease resistance of crop, promotes the quality of crop.The present invention also can prevent heavy metal contamination crop and soil, reduces the heavy metal content in soil, protects edatope, improve soil fertility.
A kind of green ecotypical potassium of the present invention and preparation method thereof, its outstanding feature and beneficial effect are:
1, utilization is bred Herba Eichhorniae rapidly and is provided organic, is combined, prevents the leaching of potash fertilizer to run off, can reach the object of potash fertilizer slow releasing, improve the utilization ratio of potash fertilizer with potash fertilizer;
2, improve soil compaction situation, increase the crumb structure of soil, improve Soil Microorganism active, strengthen the degeneration-resistant disease resistance of crop, increase organic carbon content in soil, promote soil fertility.
3, utilize Herba Eichhorniae as organic matter, solve the problem that Herba Eichhorniae spreads unchecked in river, idle Herba Eichhorniae is made full use of, reduce heavy metal content in Herba Eichhorniae, prevent crop and soil contaminated by heavy metals, also can balance ecotope as while fertilizer.
4, material that the present invention adopts is environmentally friendly material, can not pollute edatope, and life-time service can improve Soil Environmental Pollution situation, and the present invention is simultaneously applicable to large-scale production.
Embodiment
Below by way of embodiment, the present invention is described in further detail, but should not be construed as scope authority of the present invention and be only limitted to following example.
embodiment 1
A kind of green ecological potash fertilizer, it consists of following substance weight part:
20 parts, potash fertilizer, Herba Eichhorniae 50 parts, activation amendment 20 parts, Rock Phosphate (72Min BPL) 5 parts, 5 parts, tensio-active agent.
Wherein activate amendment composition and ratio is natural mineral: gelatin waste=2:1, natural mineral is kaolin and any ratio of sepiolite.
Wherein tensio-active agent is poly-propylhomoserin.
A preparation method for green ecological potash fertilizer, has following steps:
(1), after being rinsed well by mud with clear water by the fresh water cucurbit of salvaging, pulverizer is utilized to be crushed to 5 ~ 10cm size, for subsequent use;
(2) be added in reactive tank by the Herba Eichhorniae after pulverizing, add clear water simultaneously and flood solid water cucurbit, add acid-base modifier adjust ph to 5 ~ 7, setting temperature of reaction is 30 DEG C, after keeping 2 ~ 4 days with this understanding, filters to obtain solid;
(3) being carried out by the solid water cucurbit in step (2) dewatering to moisture content is 20% ~ 25%, and it is 50 ~ 100 orders that recycling pulverizer is crushed to granularity;
(4) be added in stirred autoclave by the solid obtained in step (3), add potash fertilizer, Rock Phosphate (72Min BPL) and tensio-active agent simultaneously, adjusted to ph is 5 ~ 7, abundant hybrid reaction 9 ~ 11h;
(4) add activation amendment, after continuing stirring 3 ~ 5h, being dried to moisture content is 3% ~ 5%, a kind of green ecological potash fertilizer.
embodiment 2
A kind of green ecological potash fertilizer, it consists of following substance weight part:
25 parts, potash fertilizer, Herba Eichhorniae 40 parts, activation amendment 25 parts, Rock Phosphate (72Min BPL) 7 parts, 3 parts, tensio-active agent.
Wherein activation amendment composition and ratio thereof are natural mineral: gelatin waste=3:1, natural mineral is attapulgite.
Wherein tensio-active agent is toxilic acid.
A preparation method for green ecological potash fertilizer, has following steps:
(1), after being rinsed well by mud with clear water by the fresh water cucurbit of salvaging, pulverizer is utilized to be crushed to 5 ~ 10cm size, for subsequent use;
(2) be added in reactive tank by the Herba Eichhorniae after pulverizing, add clear water simultaneously and flood solid water cucurbit, add acid-base modifier adjust ph to 5 ~ 7, setting temperature of reaction is 30 DEG C, after keeping 2 ~ 4 days with this understanding, filters to obtain solid;
(3) being carried out by the solid water cucurbit in step (2) dewatering to moisture content is 20% ~ 25%, and it is 50 ~ 100 orders that recycling pulverizer is crushed to granularity;
(4) be added in stirred autoclave by the solid obtained in step (3), add potash fertilizer, Rock Phosphate (72Min BPL) and tensio-active agent simultaneously, adjusted to ph is 5 ~ 7, abundant hybrid reaction 9 ~ 11h;
(4) add activation amendment, after continuing stirring 3 ~ 5h, being dried to moisture content is 3% ~ 5%, a kind of green ecological potash fertilizer.
embodiment 3
A kind of green ecological potash fertilizer, it consists of following substance weight part:
30 parts, potash fertilizer, Herba Eichhorniae 35 parts, activation amendment 25 parts, Rock Phosphate (72Min BPL) 6 parts, 4 parts, tensio-active agent.
Wherein activate amendment composition and ratio is natural mineral: gelatin waste=4:1, natural mineral is wilkinite and any ratio of medical stone.
Wherein tensio-active agent is rhamnosyl.
A preparation method for green ecological potash fertilizer, has following steps:
(1), after being rinsed well by mud with clear water by the fresh water cucurbit of salvaging, pulverizer is utilized to be crushed to 5 ~ 10cm size, for subsequent use;
(2) be added in reactive tank by the Herba Eichhorniae after pulverizing, add clear water simultaneously and flood solid water cucurbit, add acid-base modifier adjust ph to 5 ~ 7, setting temperature of reaction is 30 DEG C, after keeping 2 ~ 4 days with this understanding, filters to obtain solid;
(3) being carried out by the solid water cucurbit in step (2) dewatering to moisture content is 20% ~ 25%, and it is 50 ~ 100 orders that recycling pulverizer is crushed to granularity;
(4) be added in stirred autoclave by the solid obtained in step (3), add potash fertilizer, Rock Phosphate (72Min BPL) and tensio-active agent simultaneously, adjusted to ph is 5 ~ 7, abundant hybrid reaction 9 ~ 11h;
(4) add activation amendment, after continuing stirring 3 ~ 5h, being dried to moisture content is 3% ~ 5%, a kind of green ecological potash fertilizer.
embodiment 4
A kind of green ecological potash fertilizer, it consists of following substance weight part:
20 parts, potash fertilizer, Herba Eichhorniae 50 parts, activation amendment 15 parts, Rock Phosphate (72Min BPL) 10 parts, 5 parts, tensio-active agent.
Wherein activation amendment composition and ratio thereof are natural mineral: gelatin waste=3:1, natural mineral is diatomite
Wherein tensio-active agent is xanthan gum.
A preparation method for green ecological potash fertilizer, has following steps:
(1), after being rinsed well by mud with clear water by the fresh water cucurbit of salvaging, pulverizer is utilized to be crushed to 5 ~ 10cm size, for subsequent use;
(2) be added in reactive tank by the Herba Eichhorniae after pulverizing, add clear water simultaneously and flood solid water cucurbit, add acid-base modifier adjust ph to 5 ~ 7, setting temperature of reaction is 30 DEG C, after keeping 2 ~ 4 days with this understanding, filters to obtain solid;
(3) being carried out by the solid water cucurbit in step (2) dewatering to moisture content is 20% ~ 25%, and it is 50 ~ 100 orders that recycling pulverizer is crushed to granularity;
(4) be added in stirred autoclave by the solid obtained in step (3), add potash fertilizer, Rock Phosphate (72Min BPL) and tensio-active agent simultaneously, adjusted to ph is 5 ~ 7, abundant hybrid reaction 9 ~ 11h;
(4) add activation amendment, after continuing stirring 3 ~ 5h, being dried to moisture content is 3% ~ 5%, a kind of green ecological potash fertilizer.
embodiment 5
A kind of green ecological potash fertilizer, it consists of following substance weight part:
30 parts, potash fertilizer, Herba Eichhorniae 30 parts, activation amendment 30 parts, Rock Phosphate (72Min BPL) 8 parts, 2 parts, tensio-active agent.
Wherein activate amendment composition and ratio is natural mineral: gelatin waste=2:1, natural mineral is kaolin and any ratio of sepiolite.
Wherein tensio-active agent is hyaluronic acid.
A preparation method for green ecological potash fertilizer, has following steps:
(1), after being rinsed well by mud with clear water by the fresh water cucurbit of salvaging, pulverizer is utilized to be crushed to 5 ~ 10cm size, for subsequent use;
(2) be added in reactive tank by the Herba Eichhorniae after pulverizing, add clear water simultaneously and flood solid water cucurbit, add acid-base modifier adjust ph to 5 ~ 7, setting temperature of reaction is 30 DEG C, after keeping 2 ~ 4 days with this understanding, filters to obtain solid;
(3) being carried out by the solid water cucurbit in step (2) dewatering to moisture content is 20% ~ 25%, and it is 50 ~ 100 orders that recycling pulverizer is crushed to granularity;
(4) be added in stirred autoclave by the solid obtained in step (3), add potash fertilizer, Rock Phosphate (72Min BPL) and tensio-active agent simultaneously, adjusted to ph is 5 ~ 7, abundant hybrid reaction 9 ~ 11h;
(4) add activation amendment, after continuing stirring 3 ~ 5h, being dried to moisture content is 3% ~ 5%, a kind of green ecological potash fertilizer.
Claims (3)
1. a green ecological potash fertilizer, is characterized in that: this green ecological potash fertilizer provides organic with the Herba Eichhorniae being rich in polysaccharide and trace element, and it consists of the weight part of following material:
Potash fertilizer: 20 ~ 30 parts,
Herba Eichhorniae: 30 ~ 50 parts,
Activation amendment: 15 ~ 30 parts,
Rock Phosphate (72Min BPL): 5 ~ 10 parts,
Tensio-active agent: 2 ~ 5 parts;
Wherein state the mixture that described activation amendment is natural mineral and gelatin waste, and its ratio is natural mineral: gelatin waste=2 ~ 4:1; Described tensio-active agent is any one in following material: poly-propylhomoserin, toxilic acid, xanthan gum, hyaluronic acid, rhamnosyl.
2. a preparation method for green ecological potash fertilizer, is characterized in that: comprise the following steps:
(1), after being rinsed well by mud with clear water by the fresh water cucurbit of salvaging, pulverizer is utilized to be crushed to 5 ~ 10cm size, for subsequent use;
(2) be added in reactive tank by the Herba Eichhorniae after pulverizing, add clear water simultaneously and flood solid water cucurbit, add acid-base modifier adjust ph to 5 ~ 7, setting temperature of reaction is 30 DEG C, after keeping 2 ~ 4 days with this understanding, filters to obtain solid;
(3) being carried out by the solid water cucurbit in step (2) dewatering to moisture content is 20% ~ 25%, and it is 50 ~ 100 orders that recycling pulverizer is crushed to granularity;
(4) be added in stirred autoclave by the solid obtained in step (3), add potash fertilizer, Rock Phosphate (72Min BPL) and tensio-active agent simultaneously, adjusted to ph is 5 ~ 7, abundant hybrid reaction 9 ~ 11h;
(5) add activation amendment, after continuing stirring 3 ~ 5h, being dried to moisture content is 3% ~ 5%, a kind of green ecological potash fertilizer.
3. the preparation method of a kind of green ecological potash fertilizer according to claim 2, is characterized in that: in the acid-base modifier wherein in step (2) and (4), wherein acidity regulator is nitric acid (HNO
3) and sodium hydroxide (NaOH).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417459A (en) * | 2017-07-15 | 2017-12-01 | 长沙善道新材料科技有限公司 | A kind of organic fertilizer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267655A (en) * | 1999-03-19 | 2000-09-27 | 中国科学院水生生物研究所 | Preparation of re-compounded fertilizer |
| CN101274863A (en) * | 2008-05-08 | 2008-10-01 | 陈桓峰 | Organic fertilizer |
| CN101486613A (en) * | 2009-02-18 | 2009-07-22 | 沃邦（江苏）生态肥业有限公司 | Method for preparing organic fertilizer by mixed fermentation of water hyacinth and dewatered sludge |
| CN101781140A (en) * | 2010-02-03 | 2010-07-21 | 北京海亚地大生化科技有限公司 | Organic fertilizer and preparation method and application thereof |
-
2014
- 2014-12-26 CN CN201410823963.1A patent/CN104557287B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1267655A (en) * | 1999-03-19 | 2000-09-27 | 中国科学院水生生物研究所 | Preparation of re-compounded fertilizer |
| CN101274863A (en) * | 2008-05-08 | 2008-10-01 | 陈桓峰 | Organic fertilizer |
| CN101486613A (en) * | 2009-02-18 | 2009-07-22 | 沃邦（江苏）生态肥业有限公司 | Method for preparing organic fertilizer by mixed fermentation of water hyacinth and dewatered sludge |
| CN101781140A (en) * | 2010-02-03 | 2010-07-21 | 北京海亚地大生化科技有限公司 | Organic fertilizer and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417459A (en) * | 2017-07-15 | 2017-12-01 | 长沙善道新材料科技有限公司 | A kind of organic fertilizer |
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