CN104310353A - Method for preparing sodium dihydrogen phosphate and preparing special fertilizer for Rosa roxbunghii as byproduct - Google Patents
Method for preparing sodium dihydrogen phosphate and preparing special fertilizer for Rosa roxbunghii as byproduct Download PDFInfo
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- CN104310353A CN104310353A CN201410478407.5A CN201410478407A CN104310353A CN 104310353 A CN104310353 A CN 104310353A CN 201410478407 A CN201410478407 A CN 201410478407A CN 104310353 A CN104310353 A CN 104310353A
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- rosa roxburghii
- monobasic
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Abstract
The invention relates to the technical field of chemical industry, and discloses a method for preparing sodium dihydrogen phosphate and preparing a special fertilizer for Rosa roxbunghii as a byproduct. The method comprises the following steps: reacting phosphoric acid with carbomite by analyzing nutritional elements required by Rosa roxbunghii to prepare an intermediate, reacting the intermediate with an alkaline sodium salt to prepare sodium dihydrogen phosphate, controlling the content ratio of nutrients in a filtrate in the sodium dihydrogen phosphate crystallizing process, and adding potassium and other trace element compounds to the sodium dihydrogen phosphate separated filtrate in order to prepare the special fertilizer for Rosa roxbunghii. The prepared special fertilizer for Rosa roxbunghii can improves the output of Rosa roxbunghii, and the prepared sodium dihydrogen phosphate has a high purity and a relatively low cost.
Description
Technical field
The present invention relates to chemical technology field, especially relate to and a kind ofly prepare SODIUM PHOSPHATE, MONOBASIC and the method for by-product Rosa roxburghii special fertilizer.
Background technology
Rosa roxburghii is the distinctive wild resource of the Yunnan-Guizhou Plateau and Plateau of Western Sichuan, China, is locally known as " prunus spinosa ".Have another name called thatch pears, oblonga, another name send the spring to return, stings sour pear, nine-headed bird, Wen Xianguo, is the precious fruit of nutrition of healthcare.The harvesting time of Rosa roxburghii was less than 30 days.Rosa roxburghii fruit maturation in eight to September, yellow, be sometimes with blush.Pulp is crisp, has dense aromatising flavour after maturation.The little corn of close life on pericarp, custom is referred to as " Rosa roxburghii ".Containing abundant vitamins C in fruit, be called as " king of Vc ".The pharmaceutical use of Rosa roxburghii is very high, and its flower, Ye Guo, seed can be used as medicine, and have stomach invigorating, help digestion, nourish, effect of antidiarrheal.Particularly Rosa roxburghii is rich in superoxide-dismutase, is internationally recognizedly to have active substance that is anti-ageing, protective effect on cancer risk, also has antiviral, radiation-resistant effect, in cardiovascular, Digestive tract and various tumor disease are prevented and treated, applies very extensive.The fruit of Rosa roxburghii is also the first-class raw material of processing health food simultaneously, ripe Rosa roxburghii meat plumpness, sweet and sour, fruit are rich in sugar, VITAMIN, carotene, organic acid and 20 multiple amino acids, more than 10 plants the trace element useful to human body, and superoxide dismutase.According to expert's tests such as nineteen ninety-five Guizhou Agriculture College Wu Li husband and Beijing Medical University Song Pu chrysanthemums, find that Sucus Rosae Normalis can block the formation of the carcinogenic substance N-nitrous proline(Pro) of body endogenous synthesis effectively, liver cancer, neural system cancer and lung, the generation of kidney cancer can be prevented.Rosa roxburghii is not only for alcoholic, and be also used to produce preserved fruit in a large number, market demand is very big.Therefore, current various places just actively expand the cultivation of Rosa roxburghii.
Rosa roxburghii is in cultivating process, absorb a large amount of nitrogen, phosphorus, potassium and medium trace element compound, at present, what the fertilizer used to Rosa roxburghii was conventional is instant nitrogenousfertilizer, if amount of application is few, this fertilizer can meet buckwheat under the demand prerequisite of nitrogen element, is difficult to meet the demand of buckwheat to phosphorus and potassium element, if amount of application is too much, then have nitrogen element to accumulate in soil, the cost that not only applies fertilizer is higher, and can change Soil structure, is unfavorable for long-run development.By at internet retrieval, application number is 201210482135.7 to disclose " a kind of breeding method of Rosa roxburghii ", but does not see the patent documentation about Rosa roxburghii special fertilizer or its preparation method or report.
SODIUM PHOSPHATE, MONOBASIC is the raw material manufacturing Sodium hexametaphosphate 99 and trisodium phosphate, be mainly used in process hides, process feedwater, as quality improver and baking powder processed, and in foodstuffs industry, fermentation industry, make buffer reagent and saleratus raw material, be also used as fodder additives, washing composition and dye auxiliary agent etc.SODIUM PHOSPHATE, MONOBASIC is colourless crystallization or white crystalline powder, odorless, and taste is salty, acid.Be heated to 100 DEG C and lose whole crystal water, scorching hotly become sodium-metaphosphate.Soluble in water, be dissolved in ethanol hardly, its aqueous solution is in acid.At present, the conventional method preparing SODIUM PHOSPHATE, MONOBASIC has two kinds, and one is SODIUM PHOSPHATE, MONOBASIC neutralisation, and another kind is alkali neutralisation.SODIUM PHOSPHATE, MONOBASIC neutralisation is dissolved at SODIUM PHOSPHATE, MONOBASIC, adds the phosphoric acid neutralization of metering, through condensing crystal, and dry product; Alkali neutralisation uses phosphoric acid and sodium carbonate or sodium hydroxide to neutralize, and pH value is adjusted to 4.4-4.6 and filters, and filtrate condensing crystal is dry obtains product.Above two kinds of methods phosphoric acid used is thermal phosphoric acid or Wet Phosphoric Acid Market, and need concentrating unit, production cost is higher.The shortcoming of thermal phosphoric acid is that in production process, energy consumption is high, pollutes large.The weak point of Wet Phosphoric Acid Market is that operational path is long, and plant construction investment is large.
The improvement of above technology still also exists larger problems, and its process regulation is bad, then can generate other other products in the reaction, meanwhile, also has a large amount of waste and old mass emissions in whole production technique, is difficult to the zero release problem of address contamination; And, SODIUM PHOSPHATE, MONOBASIC product is also difficult to separate out completely in the process of crystallization, but be in the saturated solution of state of saturation all the time, then content is larger in the solution to make SODIUM PHOSPHATE, MONOBASIC, if degree of depth crystallization, the purity of the SODIUM PHOSPHATE, MONOBASIC product then obtained is poor, affects the quality of SODIUM PHOSPHATE, MONOBASIC product.Such as, application for a patent for invention number is 201310044745.3 to disclose " a kind of method of polyphosphoric acid and sodium formiate reaction dense, the high-purity formic acid of coproduction height and SODIUM PHOSPHATE, MONOBASIC ", its be by preparing sodium formiate synthesis liquid, dry sodium formiate synthesis liquid, polyphosphoric acid added stir in acidifying still after add again sodium formiate under negative pressure hybrid reaction, reaction mass is carried out distill again, dedusting, purification, washing, rectifying, dehydration, condensation, freezing rear obtained high-purity formic acid.The weak point of the method is: operational path is longer, and facility investment is large, and production cost is higher.
Summary of the invention
In view of this, the invention provides and a kind ofly prepare SODIUM PHOSPHATE, MONOBASIC and the method for by-product Rosa roxburghii special fertilizer, to solve at present in cultivation Rosa roxburghii process, the chemical fertilizer used to pear tree is nitrogen manure, the ratio of this Nitrogen, phosphorus, potassium needs the ratio absorbed from soil when not meeting pears growth, thus the cost that not only applies fertilizer is high, and part fertilizer can continue to stay in soil, brings pollution to soil.Solve in the process of preparation SODIUM PHOSPHATE, MONOBASIC product simultaneously, the waste of a large amount of SODIUM PHOSPHATE, MONOBASIC that SODIUM PHOSPHATE, MONOBASIC crystallization not exclusively can cause, SODIUM PHOSPHATE, MONOBASIC crystallization brings a large amount of impurity into can to excessively again SODIUM PHOSPHATE, MONOBASIC product, then makes the technical problem that the purity of SODIUM PHOSPHATE, MONOBASIC product is lower.
The present invention solves the problems of the technologies described above by the following technical programs:
Prepare SODIUM PHOSPHATE, MONOBASIC and a method for by-product Rosa roxburghii special fertilizer, comprise the following steps:
(1) raw material hybrid reaction: be (1.1-1.3) with carboxamide with mol ratio by phosphoric acid: 1 is added in reactor and mixes, then with the heat-up rate of 5 DEG C/min, the temperature of two mixtures is elevated to 90-120 DEG C, stirring reaction 90-120min, then temperature is cooled to 35-45 DEG C, then centrifugation obtains intermediate;
(2) SODIUM PHOSPHATE, MONOBASIC is prepared: be 1:(1.1-1.3 by the intermediate that obtains in step (1) and alkaline sodium salt with mol ratio) hybrid reaction in a kettle., take stirring velocity as 200-250r/min stirring reaction 40-60min, adjustment temperature of reaction is 60-80 DEG C, and the pH value regulating reaction is 8.5-9.5, after reaction terminates, this slip is placed in the process of cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when nitrogen in filtrate and the content ratio of phosphorus are (6-8): time (1-3), stop crystallization and filter, filter cake is SODIUM PHOSPHATE, MONOBASIC product,
(3) Rosa roxburghii special fertilizer is prepared: in the filtrate after filtering SODIUM PHOSPHATE, MONOBASIC in step (2), add the first finished product that alkaline potassium salt and other medium trace element compounds are adjusted to Rosa roxburghii special fertilizer, first finished product is placed in baker, heat-up rate is adopted to be that 5 DEG C/min is warming up to 25-30 DEG C, after dry 40-60min, adjustment moisture content is 3-4%, can obtain Rosa roxburghii special fertilizer.
Described intermediate is Ureaphil.
In described Rosa roxburghii special fertilizer, nitrogen content is 6-8%, phosphorus content is 1-3%, potassium content is 10-12.
Described alkaline sodium salt is sodium hydroxide.
Described medium trace element compound is CaSO
4, MgSO
4, ZnSO
4, Fe
2 +inner complex, H
3bO
3in one or more mixtures.
The mol ratio of described intermediate and alkaline sodium salt is 1:1.2.
Described Rosa roxburghii special fertilizer is chemical combination state Chemical Mixed Fertilizer.
Containing following N P and K chemical combination state structural formula in described chemical combination state Chemical Mixed Fertilizer composition:
wherein, the dotted line between carbon atom and Sauerstoffatom represents to there is coordinate bond between C atom and O atom.
Beneficial effect of the present invention is:
(1) by analyzing carrying out detection to effective absorbed dose of n-p-k element in Rosa roxburghii process of growth, and carry out regulating to the constituent content in production process and arrange in pairs or groups, make the special fertilizer of the chemical combination state prepared can meet demand to nutritive element in Rosa roxburghii process of growth to greatest extent, thus avoid in common chemical fertilizers production because element mismatch, the high cost caused, further avoid too much element to drop among soil, cause soil to solidify and contaminate environment.
(2) by controlling the processing condition of producing, make in Rosa roxburghii special fertilizer preparation process, highly purified SODIUM PHOSPHATE, MONOBASIC product can be produced, compensate for removal of impurities cost during traditional preparation SODIUM PHOSPHATE, MONOBASIC product, make the purity of the SODIUM PHOSPHATE, MONOBASIC product prepared higher, production cost is lower, has significant economic benefit.
(3) by production process, the mol ratio of raw material, in crystallisation step, the accurate analysis of filtrate and detection, make the quality of the Rosa roxburghii special fertilizer produced be guaranteed, and with adjusting the mode of filtrate component content, using the raw material that the waste liquid in Chemicals production process is produced as special fertilizer, avoid the discharge of waste liquid, reduce special fertilizer production cost, there is the significant value of environmental protection and economic benefit.
(4) by technical parameter in chemical combination state special fertilizer production technique, namely be exactly temperature, the control of material concentration and proportioning, after making phosphoric acid and urea reaction, generate Ureaphil product, Ureaphil product itself has stronger acidity, and between phosphoric acid and urea, be the chemical combination state double salt be combined together to form by the mode of coordinate bond, also be fertile as crop in conventional art, and crop is to the specific absorption comparison urea of this chemical combination state double salt, volatile salt, the unitary such as ammonium nitrate, binary fertilizer specific absorption is a kind of chemical combination state special fertilizer all preferably, but, under the environment that this chemical combination state double salt exists at phosphoric acid, at the temperature of 80-250 DEG C, complicated decomposition polyreaction can be there is, Ureaphil is made to form (H
2pO
4)
-(H
2nCONH
3)
+two ions, (H
2nCONH
3)
+ion and phosphoric acid close, and be under the environment of 80-160 DEG C in temperature, formed
intermediate-ion and dihydrogen phosphate, and coordinate bond is formed between C and O, this intermediate-ion can form multielement intermediate-ion with centering element compound chelating, and then the compound electronegative with other can be continued or ion forms inner complex, improve constituent content in double salt, and then the nutrient content in the double salt of this ion existence can be adjusted, simultaneously, this inner complex can be hydrolyzed again and by crop, and then can provide fertilizer efficiency for crop effectively for a long time.
The main chemical reactions equation that the present invention relates to is:
Reaction formula one:
CO(NH
2)
2+H
3PO
4→CO(NH
2)
2.H
3PO
4
Reaction formula two:
Reaction formula three:
Wherein, the dotted line between carbon atom and Sauerstoffatom represents to there is coordinate bond between C atom and O atom.
Reaction formula four:
Wherein, the dotted line between carbon atom and Sauerstoffatom represents to there is coordinate bond between C atom and O atom.
Embodiment
Conveniently those skilled in the art will recognize that the present invention will be further described below in conjunction with embodiment.Embodiment is only illustrating this invention, is not limitation of the invention, and the step not doing in embodiment to illustrate is all prior arts, is not described in detail at this.
The present invention carries out research and discussion by the mechanism of reacting phosphoric acid and carboxamide, and arrives in conjunction with prior art literature, and phosphoric acid and carboxamide react and generate Ureaphil, and its molecular formula is: CO (NH
2)
2.h
3pO
4under the environment of comparatively high temps, the chemical bond meeting dialysis between H and O in phosphoric acid, hydrogen ion is combined the ionic state formed containing positive charge with urea, the ion double salt making Ureaphil form a kind of positive and negative charge to attract mutually, its mechanism structural response following expression: CO (NH
2)
2.h
3pO
4→ (H
2pO
4)
-. (H
2nCONH
3)
+.
Further, under the environment that Ureaphil ion double salt exists at phosphoric acid, (H wherein
2nCONH
3)
+positive ion and phosphoric acid close, form the intermediate-ion of C → O coordinate bond, be (CO
5pN
2h
8)
+, and then make in Ureaphil intermediate containing a large amount of (H
2pO
4)
-(CO
5pN
2h
8)
+ion, when adding excessive and appropriate potassium ion, dihydrogen phosphate and potassium ion form biphosphate sodium crystal and are precipitated, unnecessary potassium ion and (CO
5pN
2h
8)
+ionic reaction, and displace part NH
4 +, make in solution containing (CO
5pNH
4k)
+double salt ion, and analyze by detecting and control the content of N in solution, P, K element, the chemical combination state composite fertilizer containing N, P, K element can be obtained at heat drying.
Embodiment one
A kind ofly prepare SODIUM PHOSPHATE, MONOBASIC and the method for by-product Rosa roxburghii special fertilizer, adopt phosphoric acid and carboxamide to add in reactor with the mol ratio of 1.1:1 to mix, then with the heat-up rate of 5 DEG C/min, the temperature of two mixtures is elevated to 90 DEG C, stirring reaction 120min, then with the speed of 3 DEG C/min, temperature is cooled to 35 DEG C, then centrifugation obtains Ureaphil intermediate; Be that 1:1.1 joins hybrid reaction in reactor by this intermediate and sodium hydroxide with mol ratio, the pH value regulating reaction is 8.5, take stirring velocity as 200r/min stirring reaction 60min, after reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing potassium, this slip is placed in the process of cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when in filtrate, the mol ratio of nitrogen, phosphorus is 6:1, stop crystallization and filter, filter cake is SODIUM PHOSPHATE, MONOBASIC product; Potassium hydroxide and CaSO is added in filtrate
4, MgSO
4, ZnSO
4, Fe
2 +inner complex, H
3bO
3multiple mixture is adjusted to the first finished product of Rosa roxburghii special fertilizer, and first finished product is placed in baker, adopts heat-up rate to be that 5 DEG C/min is warming up to 25 DEG C, and after dry 60min, adjustment moisture content is 3%, can obtain Rosa roxburghii special fertilizer.
In described Rosa roxburghii special fertilizer, nitrogen content is 6%, phosphorus content is 1%, potassium content is 10%, calcium contents is 3%, Mg content is 0.04%, Boron contents is 0.03%, Zn content is 0.02%, iron level is 0.02%, sodium content is 0.9%.
Embodiment two
A kind ofly prepare SODIUM PHOSPHATE, MONOBASIC and the method for by-product Rosa roxburghii special fertilizer, adopt phosphoric acid and carboxamide to add in reactor with the mol ratio of 1.3:1 to mix, then with the heat-up rate of 5 DEG C/min, the temperature of two mixtures is elevated to 120 DEG C, stirring reaction 90min, then with the speed of 3 DEG C/min, temperature is cooled to 45 DEG C, then centrifugation obtains Ureaphil intermediate; Be that 1:1.3 joins hybrid reaction in reactor by this intermediate and sodium hydroxide with mol ratio, the pH value regulating reaction is 9.5, stirring velocity is 250r/min stirring reaction 40min, after reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing potassium, this slip is placed in the process of cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when in filtrate, the mol ratio of nitrogen, phosphorus is 8:3, stop crystallization and filter, filter cake is SODIUM PHOSPHATE, MONOBASIC product; Potassium hydroxide and CaSO is added in filtrate
4, MgSO
4, ZnSO
4, Fe
2 +inner complex, H
3bO
3multiple mixture is adjusted to the first finished product of Rosa roxburghii special fertilizer, and first finished product is placed in baker, adopts heat-up rate to be that 5 DEG C/min is warming up to 30 DEG C, and after dry 40min, adjustment moisture content is 4%, can obtain Rosa roxburghii special fertilizer.
In described Rosa roxburghii special fertilizer, nitrogen content is 8%, phosphorus content is 3%, potassium content is 12%, calcium contents is 1.2%, Mg content is 0.03%, Boron contents is 0.01%, Zn content is 0.02%, iron level is 0.02%, sodium content is 1.3%.
Embodiment three
A kind ofly prepare SODIUM PHOSPHATE, MONOBASIC and the method for by-product Rosa roxburghii special fertilizer, adopt phosphoric acid and carboxamide to add in reactor with the mol ratio of 1.2:1 to mix, then with the heat-up rate of 5 DEG C/min, the temperature of two mixtures is elevated to 110 DEG C, stirring reaction 110min, then with the speed of 3 DEG C/min, temperature is cooled to 40 DEG C, then centrifugation obtains Ureaphil intermediate; Be that 1:1.2 joins hybrid reaction in reactor by this intermediate and sodium hydroxide with mol ratio, the pH value regulating reaction is 9, stirring velocity is after 220r/min stirring reaction 50min reaction terminates, obtain the slip of Nitrogen-and Phosphorus-containing potassium, this slip is placed in the process of cooling crystallizer circulation crystallization, detects simultaneously and analyze filtrate, when the mol ratio of nitrogen, phosphorus is 7:2 in filtrate, stop crystallization and filter, filter cake is SODIUM PHOSPHATE, MONOBASIC product; Potassium hydroxide and CaSO is added in filtrate
4, MgSO
4, ZnSO
4, Fe
2 +inner complex, H
3bO
3multiple mixture is adjusted to the first finished product of Rosa roxburghii special fertilizer, and first finished product is placed in baker, adopts heat-up rate to be that 5 DEG C/min is warming up to 28 DEG C, and after dry 50min, adjustment moisture content is 3.5%, can obtain Rosa roxburghii special fertilizer.
In described Rosa roxburghii special fertilizer, nitrogen content is 7%, phosphorus content is 2%, potassium content is 11%, calcium contents is 1%, Mg content is 0.3%, Boron contents is 0.02%, Zn content is 0.03%, iron level is 0.05%, sodium content is 1.1%.
Below in conjunction with test example, the technique effect of technical solution of the present invention and the quality of SODIUM PHOSPHATE, MONOBASIC product of producing are verified:
Test example one
According to GB25564-2010 " national food safety standard " foodstuff additive SODIUM PHOSPHATE, MONOBASIC test experience method, detect the quality of the product that embodiments of the invention one, embodiment two and embodiment three are produced, its result is as shown in table 1.
The quality measurements of table 1 traditional method and embodiments of the invention production SODIUM PHOSPHATE, MONOBASIC product:
As can be seen from the above table, the SODIUM PHOSPHATE, MONOBASIC product that technical scheme of the present invention is produced is up to state standards above, and the purity of product is also higher, has significant progressive.
Test example two
Choose the good Rosa roxburghii tree of 1000 strain growing way, kind is No. 5, your agriculture, and planting site is Guizhou, is equally divided into five groups, and often organize 200 strains, label is experimental group one, experimental group two, experimental group three, control group one and control group two respectively.Experimental group one uses the fertilizer of the embodiment of the present invention one, and experimental group two uses the fertilizer of the embodiment of the present invention two, and experimental group three uses the fertilizer of the embodiment of the present invention three, and control group one uses common instant nitrogenousfertilizer, control group two application of organic fertilizers.Topdress once in mid-April, topdress once at the beginning of 7 months, each rate of fertilizer application is 0.1kg/ strain, and wherein, the amount of application of fertilizer is 2kg/ strain.Statistics is as following table:
From above-mentioned statistics, this Rosa roxburghii special fertilizer can not only improve the output of Rosa roxburghii, can also improve the quality of Rosa roxburghii, therefore, is worth of widely use.
Claims (8)
1. prepare SODIUM PHOSPHATE, MONOBASIC and a method for by-product Rosa roxburghii special fertilizer, it is characterized in that: comprise the following steps:
(1) raw material hybrid reaction: be (1.1-1.3) with carboxamide with mol ratio by phosphoric acid: 1 is added in reactor and mixes, then with the heat-up rate of 5 DEG C/min, the temperature of two mixtures is elevated to 90-120 DEG C, stirring reaction 90-120min, then temperature is cooled to 35-45 DEG C, then centrifugation obtains intermediate;
(2) SODIUM PHOSPHATE, MONOBASIC is prepared: be 1:(1.1-1.3 by the intermediate that obtains in step (1) and alkaline sodium salt with mol ratio) hybrid reaction in a kettle., take stirring velocity as 200-250r/min stirring reaction 40-60min, adjustment temperature of reaction is 60-80 DEG C, and the pH value regulating reaction is 8.5-9.5, after reaction terminates, this slip is placed in the process of cooling crystallizer circulation crystallization, detect simultaneously and analyze filtrate, when nitrogen in filtrate and the content ratio of phosphorus are (6-8): time (1-3), stop crystallization and filter, filter cake is SODIUM PHOSPHATE, MONOBASIC product,
(3) Rosa roxburghii special fertilizer is prepared: in the filtrate after filtering SODIUM PHOSPHATE, MONOBASIC in step (2), add the first finished product that alkaline potassium salt and other medium trace element compounds are adjusted to Rosa roxburghii special fertilizer, first finished product is placed in baker, heat-up rate is adopted to be that 5 DEG C/min is warming up to 25-30 DEG C, after dry 40-60min, adjustment moisture content is 3-4%, can obtain Rosa roxburghii special fertilizer.
2. preparation SODIUM PHOSPHATE, MONOBASIC according to claim 1 the method for by-product Rosa roxburghii special fertilizer, is characterized in that: described intermediate is Ureaphil.
3. preparation SODIUM PHOSPHATE, MONOBASIC according to claim 1 the method for by-product Rosa roxburghii special fertilizer, is characterized in that: in described Rosa roxburghii special fertilizer, nitrogen content is 6-8%, phosphorus content is 1-3%, potassium content is 10-12.
4. preparation SODIUM PHOSPHATE, MONOBASIC according to claim 1 the method for by-product Rosa roxburghii special fertilizer, is characterized in that: described alkaline sodium salt is sodium hydroxide.
5. preparation SODIUM PHOSPHATE, MONOBASIC according to claim 1 the method for by-product Rosa roxburghii special fertilizer, is characterized in that: described medium trace element compound is CaSO
4, MgSO
4, ZnSO
4, Fe
2 +inner complex, H
3bO
3in one or more mixtures.
6. preparation SODIUM PHOSPHATE, MONOBASIC according to claim 1 the method for by-product Rosa roxburghii special fertilizer, is characterized in that: the mol ratio of described intermediate and alkaline sodium salt is 1:1.2.
7. preparation SODIUM PHOSPHATE, MONOBASIC according to claim 1 the method for by-product Rosa roxburghii special fertilizer, is characterized in that: described Rosa roxburghii special fertilizer is chemical combination state Chemical Mixed Fertilizer.
8. preparation SODIUM PHOSPHATE, MONOBASIC according to claim 7 the method for by-product Rosa roxburghii special fertilizer, is characterized in that: containing following N P and K chemical combination state structural formula in described chemical combination state Chemical Mixed Fertilizer composition:
in, the dotted line between carbon atom and Sauerstoffatom represents to there is coordinate bond between C atom and O atom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478407.5A CN104310353B (en) | 2014-09-19 | 2014-09-19 | A kind of method preparing sodium dihydrogen phosphate by-product Fructus Rosae Normalis special fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410478407.5A CN104310353B (en) | 2014-09-19 | 2014-09-19 | A kind of method preparing sodium dihydrogen phosphate by-product Fructus Rosae Normalis special fertilizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104310353A true CN104310353A (en) | 2015-01-28 |
| CN104310353B CN104310353B (en) | 2016-08-24 |
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ID=52365707
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|---|---|---|---|
| CN201410478407.5A Expired - Fee Related CN104310353B (en) | 2014-09-19 | 2014-09-19 | A kind of method preparing sodium dihydrogen phosphate by-product Fructus Rosae Normalis special fertilizer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060648A (en) * | 1990-10-08 | 1992-04-29 | 邢新华 | Polybasic fertilizer |
| WO2000055104A1 (en) * | 1999-03-18 | 2000-09-21 | Oms Investments, Inc. | Processes for preparing granular composite fertilizer compositions and products produced thereby |
| CN1583681A (en) * | 2004-05-24 | 2005-02-23 | 陈天骏 | Agricultural composite manure and preparing method thereof |
| CN103787293A (en) * | 2014-01-24 | 2014-05-14 | 贵阳中化开磷化肥有限公司 | Method for preparing sodium dihydrogen phosphate by utilizing phosphoric acid by wet process |
-
2014
- 2014-09-19 CN CN201410478407.5A patent/CN104310353B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1060648A (en) * | 1990-10-08 | 1992-04-29 | 邢新华 | Polybasic fertilizer |
| WO2000055104A1 (en) * | 1999-03-18 | 2000-09-21 | Oms Investments, Inc. | Processes for preparing granular composite fertilizer compositions and products produced thereby |
| CN1583681A (en) * | 2004-05-24 | 2005-02-23 | 陈天骏 | Agricultural composite manure and preparing method thereof |
| CN103787293A (en) * | 2014-01-24 | 2014-05-14 | 贵阳中化开磷化肥有限公司 | Method for preparing sodium dihydrogen phosphate by utilizing phosphoric acid by wet process |
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|---|---|
| CN104310353B (en) | 2016-08-24 |
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