CN106008094A - Seaweed potassium fertilizer and preparation method thereof - Google Patents
Seaweed potassium fertilizer and preparation method thereof Download PDFInfo
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- CN106008094A CN106008094A CN201610342056.4A CN201610342056A CN106008094A CN 106008094 A CN106008094 A CN 106008094A CN 201610342056 A CN201610342056 A CN 201610342056A CN 106008094 A CN106008094 A CN 106008094A
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- sargassum
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
- C05D1/02—Manufacture from potassium chloride or sulfate or double or mixed salts thereof
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a seaweed potassium fertilizer and a preparation method thereof. The seaweed potassium fertilizer has the characteristics that the seaweed potassium fertilizer is prepared by directly concentrating and drying a seaweed degradation solution and is named as a type I seaweed low-potassium fertilizer; or the seaweed potassium fertilizer is prepared by mixing the type I seaweed low-potassium fertilizer with a potassium fertilizer and is named as a type II seaweed high-potassium fertilizer. The seaweed degradation solution is obtained by extracting through a chemical method or an enzyme hydrolysis method. The seaweed potassium fertilizer combines seaweed polysaccharides with the potassium fertilizer and the absorption rate and utilization rate of the potassium fertilizer by crops can be effectively improved; soil hardening caused by the application of the potassium fertilizer is improved and a farmland ecological environment is optimized; the preparation method has a simple and reasonable process.
Description
Technical field
The invention belongs to technical field of chemical fertilizer production, relate to the production technology that Sargassum moccasin is fertile, specifically a kind of Sargassum potash fertilizer and preparation method thereof.
Background technology
Sargassum application technology in fertilizer is more at present, and wherein the technology such as seaweed urea, seaweed ammonium phosphate fertilizer the most commercially achieves and preferably applies effect, and does not the most also have patent or the application technology of Sargassum potash fertilizer.How a kind of Sargassum potash fertilizer preparation method simple, efficient is provided, make Sargassum polysaccharides combine with potash fertilizer, be effectively improved crop to the absorbance of potash fertilizer and utilization rate, improve and use the soil compaction that single chemical industry potash fertilizer causes, improving farmland ecological environment, this is problems faced of the present invention.
Summary of the invention
The present invention solves the problems referred to above that prior art exists, a kind of Sargassum potash fertilizer and preparation method thereof is provided, is effectively improved crop to the absorbance of potash fertilizer and utilization rate, improves and use the soil compaction that simple potash fertilizer causes, optimizing farmland ecological environment, preparation method technique is simple, rationally.
It is an object of the invention to be achieved through the following technical solutions: a kind of Sargassum potash fertilizer, it is characterised in that made the I low potash fertilizer of type Sargassum by Sargassum degradation solution concentrate drying.
Further improvement to technique scheme: prepare the potash fertilizer used in II type Sargassum height potash fertilizer and include one or more in potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate, flue ash potash.
Further improvement to technique scheme: ratio by mass part that the described I low potash fertilizer of type Sargassum mixes with described potash fertilizer is: 1-20:100.
Further improvement to technique scheme: described Sargassum degradation solution is to be extracted by Thallus Laminariae (Thallus Eckloniae), Entermorpha, Alga Sgrgassi Enerves or Macrocystis pyrifera (L.) Ag. by chemical method or enzymatic isolation method and obtained.
The preparation method of a kind of Sargassum potash fertilizer, it is characterised in that made the I low potash fertilizer of type Sargassum by the direct concentrate drying of Sargassum degradation solution.
The first of technique scheme is improved: described Sargassum degradation solution uses potassium hydroxide or potassium alkaline to extract, and after neutralization, concentrate drying is prepared from, if neutralizing with sulphuric acid, being potassium sulfate type, if being neutralized with hydrochloric acid, being potassium chloride type.
The second of technique scheme being improved: described Sargassum degradation solution uses acidic extraction, being prepared from, if with sulphuric acid extraction, being potassium sulfate type, if with hydrochloric acid extraction, being potassium chloride type with rear concentrate drying with in potassium hydroxide.
The third of technique scheme is improved: described Sargassum degradation solution uses enzymatic isolation method to extract, described Sargassum is Brown algae or green algae, and Brown algae uses algin catenase, and green algae uses cellulase, after enzymatic isolation method extracts, compounding a certain amount of potash fertilizer concentrate drying forms.
Further improvement to technique scheme: utilizing the I low potash fertilizer of type Sargassum, itself and potash fertilizer are mixed with II type Sargassum height potash fertilizer, ratio by mass part that the described I low potash fertilizer of type Sargassum mixes with potash fertilizer is: 1-20:100；Described potash fertilizer includes one or more in potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate, flue ash potash.
The present invention compared with prior art has the advantage that and good effect:
The Sargassum potash fertilizer that the present invention provides can be effectively improved crop to the absorbance of potash fertilizer and utilization rate, improves and uses the soil compaction that simple potash fertilizer causes, optimizes farmland ecological environment；The preparation method technique of the present invention is simple, rationally.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail:
The detailed description of the invention of the present invention a kind of Sargassum potash fertilizer, is made the I low potash fertilizer of type Sargassum by Sargassum degradation solution concentrate drying.It is mixed with by the described I low potash fertilizer of type Sargassum and potash fertilizer and makes II type Sargassum height potash fertilizer, prepare the potash fertilizer used in II type Sargassum height potash fertilizer and include one or more in potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate, flue ash potash.The described I low potash fertilizer of type Sargassum with ratio by mass part of the mixing of potash fertilizer is: 1-20:100.Described Sargassum degradation solution is to be extracted by Thallus Laminariae (Thallus Eckloniae), Entermorpha, Alga Sgrgassi Enerves or Macrocystis pyrifera (L.) Ag. by chemical method or enzymatic isolation method and obtained.
The detailed description of the invention of the present invention a kind of Sargassum potash fertilizer preparation method, can be realized by two kinds of approach: one is that the direct concentrate drying of Sargassum degradation solution forms, it is referred to as the I low potash fertilizer of type Sargassum, it can be prepared by three kinds of modes: 1. seaweed alkaline (referring mainly to potassium hydroxide, potassium carbonate etc.) extracts, after neutralization, concentrate drying is prepared from, if neutralizing with sulphuric acid, being potassium sulfate type, if being neutralized with hydrochloric acid, being potassium chloride type；2. Sargassum acidic extraction, neutralizes (referring mainly to potassium hydroxide) concentrate drying afterwards and is prepared from, if with sulphuric acid extraction, being potassium sulfate type, if with hydrochloric acid extraction, being potassium chloride type；3. Sargassum enzymatic isolation method extracts, and Brown algae uses algin catenase, and green algae uses cellulase etc..After enzymatic isolation method extracts, compounding a certain amount of potash fertilizer concentrate drying forms, and potash fertilizer used includes one or more in potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate, flue ash potash.Such I type Sargassum low potash fertilizer products Sargassum polysaccharides content is higher, and potassium content is relatively low, and its index is: chemical reaction flows prepares product Sargassum polysaccharides >=15%, K2O >=20%；Product Sargassum polysaccharides >=30%, K2O >=10% are prepared in enzymatic isolation method extraction.
Two is to utilize the I low potash fertilizer of type Sargassum, and itself and potash fertilizer are mixed with II type Sargassum height potash fertilizer, and potash fertilizer used includes one or more in potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate, flue ash potash.This series products potassium content is of a relatively high, and Sargassum polysaccharides content is relatively low.The low potash fertilizer of I type Sargassum mixes with potash fertilizer, the most limited by cost, and ratio by mass part that the low potash fertilizer of I type Sargassum mixes with potash fertilizer is: 1-20:100, I type Sargassum low potash fertilizer additional proportion increases, and the cost of product increases the most accordingly.Preparing the I low potash fertilizer of type Sargassum according to chemical reaction flows, mix with potash fertilizer, the technical specification of products obtained therefrom is: Sargassum polysaccharides >=0.15%, K2O >=40%；Extracting according to enzymatic isolation method and prepare the low potash fertilizer of Sargassum, mix with potash fertilizer, the technical specification of products obtained therefrom is: Sargassum polysaccharides >=0.3%, K2O >=40%.
Above-mentioned Sargassum is the large-scale economic algaes such as Thallus Laminariae (Thallus Eckloniae), Entermorpha, Alga Sgrgassi Enerves or Macrocystis pyrifera (L.) Ag..
Eight embodiments being below Sargassum potash fertilizer preparation method of the present invention are as follows:
Embodiment 1:
Take the dry Thallus Laminariae (Thallus Eckloniae) of 50kg, add 700kg water, be subsequently adding 20kg potassium hydroxide, insulated and stirred 4 hours under the conditions of 120 DEG C, with in sulphuric acid and pH to 6.0-8.0, filter, Sargassum polysaccharides >=1.5% in gained extracting solution, K2O >=2.0%, by extracting solution concentrate drying, obtaining the I low potash fertilizer of type Sargassum, technical target of the product is as follows: Sargassum polysaccharides >=15%, K2O >=20%.
Embodiment 2:
Take the dry Thallus Laminariae (Thallus Eckloniae) of 50kg, add 300kg water, be subsequently adding 8.5kg hydrochloric acid, insulated and stirred 4 hours under the conditions of 120 DEG C, with in potassium hydroxide and pH to 6.0-8.0, filter, Sargassum polysaccharides >=1.5% in gained extracting solution, K2O >=2.0%, by extracting solution concentrate drying, obtaining the I low potash fertilizer of type Sargassum, technical target of the product is as follows: Sargassum polysaccharides >=15%, K2O >=20%.
Embodiment 3:
Take the dry Entermorpha of 50kg, add 300kg water, be subsequently adding cellulase 1 kilogram, insulated and stirred 3 hours under the conditions of 50 ± 5 DEG C, filter, compounding potassium sulfate 6kg, Sargassum polysaccharides >=2.5% in gained solution, K2O >=1.0%, by solution concentrate drying, obtaining the I low potash fertilizer of type Sargassum, technical target of the product is as follows: Sargassum polysaccharides >=30%, K2O >=10%.
Embodiment 4:
Take the dry Thallus Laminariae (Thallus Eckloniae) of 50kg to pulverize, add 500kg water, be subsequently adding the algin catenases such as 0.5kg, insulated and stirred 3 hours under the conditions of 45 ± 5 DEG C, filter, compounding potassium chloride 5kg, Sargassum polysaccharides >=1.5% in gained solution, K2O >=0.6%, by solution concentrate drying, obtaining the I low potash fertilizer of type Sargassum, technical target of the product is as follows: Sargassum polysaccharides >=30%, K2O >=10%.
Embodiment 5:
Take the dry Thallus Laminariae (Thallus Eckloniae) of 50kg, add 600kg water, be subsequently adding 10kg potassium carbonate, insulated and stirred 2 hours under the conditions of 95 ± 5 DEG C DEG C, with in sulphuric acid and pH to 6.0-8.0, filter, Sargassum polysaccharides >=1.0% in gained extracting solution, K2O >=1.0%, by extracting solution concentrate drying, obtain the I low potash fertilizer of type Sargassum, its technical specification is: Sargassum polysaccharides >=15%, K2O >=20%, it is mixed by 10:100 with potassium sulfate, gained II type Sargassum high potash fertilizer products technical specification is as follows: Sargassum polysaccharides >=1.5%, K2O >=45%.
Embodiment 6:
Take addition 300kg water, it is subsequently adding concentrated sulphuric acid 45 kilograms, it is subsequently adding the dry Entermorpha of 50kg, insulated and stirred 3 hours under the conditions of 120 ± 5 DEG C, it is neutralized with hydrochloric acid pH to 6.0-8.0, filter, Sargassum polysaccharides >=2.0% in gained extracting solution, K2O >=2.0%, by extracting solution concentrate drying, obtain the I low potash fertilizer of type Sargassum, its technical specification is: Sargassum polysaccharides >=15%, K2O >=20%, it is mixed by 1:100 with potassium chloride, gained II type Sargassum high potash fertilizer products technical specification is as follows: Sargassum polysaccharides >=0.15%, K2O >=60%.
Embodiment 7:
Take the dry Entermorpha of 50kg, add 300kg water, be subsequently adding cellulase 1 kilogram, insulated and stirred 3 hours under the conditions of 50 ± 5 DEG C, filter, compounding potassium chloride 5kg, Sargassum polysaccharides >=2.5% in gained extracting solution, K2O >=1.0%, by solution concentrate drying, obtain the I low potash fertilizer of type Sargassum, its technical specification is: Sargassum polysaccharides >=30%, K2O >=10%, it is mixed by 5:100 with potassium chloride, gained II type Sargassum high potash fertilizer products technical specification is as follows: Sargassum polysaccharides >=1.5%, K2O >=55%.
Embodiment 8:
Take the dry Thallus Laminariae (Thallus Eckloniae) of 50kg to pulverize, add 500kg water, be subsequently adding the algin catenases such as 0.5kg, insulated and stirred 3 hours under the conditions of 45 ± 5 DEG C, filter, compounding potassium sulfate 6kg, Sargassum polysaccharides >=1.5% in gained solution, K2O >=0.6%, by solution concentrate drying, obtain the I low potash fertilizer of type Sargassum, its technical specification is: Sargassum polysaccharides >=30%, K2O >=10%, it is mixed by 20:100 with potassium sulfate, gained II type Sargassum high potash fertilizer products technical specification is as follows: Sargassum polysaccharides >=6%, K2O >=40%.
Certainly, described above is not limitation of the present invention, and the present invention is not limited to the example above, those skilled in the art, in the essential scope of the present invention, the change made, retrofits, adds or replaces, all should belong to protection scope of the present invention.
Claims (10)
1. a Sargassum potash fertilizer, it is characterised in that made the I low potash fertilizer of type Sargassum by Sargassum degradation solution concentrate drying.
2. according to the Sargassum potash fertilizer described in claim 1, it is characterised in that be mixed with by the described I low potash fertilizer of type Sargassum and potash fertilizer and make II type Sargassum height potash fertilizer.
3. according to the Sargassum potash fertilizer described in claim 2, it is characterised in that prepare the potash fertilizer used in II type Sargassum height potash fertilizer and include one or more in potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate, flue ash potash.
4. according to the Sargassum potash fertilizer described in claim 3, it is characterised in that ratio by mass part that the described I low potash fertilizer of type Sargassum mixes with described potash fertilizer is: 1-20:100.
5. according to the Sargassum potash fertilizer described in claim 1-4, it is characterised in that described Sargassum degradation solution is to be extracted by Thallus Laminariae (Thallus Eckloniae), Entermorpha, Alga Sgrgassi Enerves or Macrocystis pyrifera (L.) Ag. by chemical method or enzymatic isolation method and obtained.
6. the preparation method of a Sargassum potash fertilizer, it is characterised in that made the I low potash fertilizer of type Sargassum by the direct concentrate drying of Sargassum degradation solution.
7. according to the preparation method of the Sargassum potash fertilizer described in claim 6, it is characterized in that, described Sargassum degradation solution uses potassium hydroxide or potassium alkaline to extract, and after neutralization, concentrate drying is prepared from, if neutralizing with sulphuric acid, being potassium sulfate type, if being neutralized with hydrochloric acid, being potassium chloride type.
8. according to the preparation method of the Sargassum potash fertilizer described in claim 6, it is characterized in that, described Sargassum degradation solution uses acidic extraction, is prepared from rear concentrate drying with in potassium hydroxide, if with sulphuric acid extraction, being potassium sulfate type, if with hydrochloric acid extraction, being potassium chloride type.
9. according to the preparation method of the Sargassum potash fertilizer described in claim 6, it is characterized in that, described Sargassum degradation solution uses enzymatic isolation method to extract, described Sargassum is Brown algae or green algae, Brown algae uses algin catenase, green algae uses cellulase, and after enzymatic isolation method extracts, compounding a certain amount of potash fertilizer concentrate drying forms.
10. according to the preparation method of the Sargassum potash fertilizer described in any one of claim 6-9, it is characterized in that, utilizing the I low potash fertilizer of type Sargassum, itself and potash fertilizer are mixed with II type Sargassum height potash fertilizer, ratio by mass part that the described I low potash fertilizer of type Sargassum mixes with potash fertilizer is: 1-20:100；Described potash fertilizer includes one or more in potassium chloride, potassium sulfate, potassium dihydrogen phosphate, sylvite, potassium magnesium salt, carnallite, potassium nitrate, flue ash potash.
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Cited By (3)
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| CN107573170A (en) * | 2017-10-09 | 2018-01-12 | 山东沃科奇实业有限公司 | Seaweed bio-organic fertilizer prepared by parallel enzymolysis process and preparation method thereof |
| CN110483212A (en) * | 2019-09-12 | 2019-11-22 | 四川农业大学 | A kind of organic fertilizer and its method of administration can promote peach high yield upgrading |
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