CN1045085A - Production method of potassium dihydrogen phosphate and potassium sulfate - Google Patents
Production method of potassium dihydrogen phosphate and potassium sulfate Download PDFInfo
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- CN1045085A CN1045085A CN 89106858 CN89106858A CN1045085A CN 1045085 A CN1045085 A CN 1045085A CN 89106858 CN89106858 CN 89106858 CN 89106858 A CN89106858 A CN 89106858A CN 1045085 A CN1045085 A CN 1045085A
- Authority
- CN
- China
- Prior art keywords
- fertilizer
- mother liquor
- repone
- ammonium
- tartar
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 58
- 229910000402 monopotassium phosphate Inorganic materials 0.000 title abstract description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 title abstract description 3
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 title abstract description 3
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 title abstract description 3
- 229910052939 potassium sulfate Inorganic materials 0.000 title abstract description 3
- 235000011151 potassium sulphates Nutrition 0.000 title abstract description 3
- 239000003337 fertilizer Substances 0.000 claims abstract description 76
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 51
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims abstract description 49
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 32
- 235000019270 ammonium chloride Nutrition 0.000 claims abstract description 24
- 235000002639 sodium chloride Nutrition 0.000 claims abstract description 20
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 19
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 19
- 239000011780 sodium chloride Substances 0.000 claims abstract description 17
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000006227 byproduct Substances 0.000 claims abstract description 13
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000008399 tap water Substances 0.000 claims abstract description 7
- 235000020679 tap water Nutrition 0.000 claims abstract description 7
- 239000012452 mother liquor Substances 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 35
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 32
- 239000011591 potassium Substances 0.000 claims description 32
- 229910052700 potassium Inorganic materials 0.000 claims description 32
- 229910019142 PO4 Inorganic materials 0.000 claims description 29
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 29
- 239000010452 phosphate Substances 0.000 claims description 29
- 208000006558 Dental Calculus Diseases 0.000 claims description 25
- 239000000047 product Substances 0.000 claims description 13
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 10
- 230000035484 reaction time Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims 6
- 229940001516 sodium nitrate Drugs 0.000 claims 3
- 235000010344 sodium nitrate Nutrition 0.000 claims 3
- 239000004317 sodium nitrate Substances 0.000 claims 3
- 239000000376 reactant Substances 0.000 claims 1
- 239000001103 potassium chloride Substances 0.000 abstract description 13
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 abstract description 3
- 235000019837 monoammonium phosphate Nutrition 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 abstract description 3
- 235000011164 potassium chloride Nutrition 0.000 abstract 2
- 238000000034 method Methods 0.000 description 17
- 238000002425 crystallisation Methods 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 5
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-L Phosphate ion(2-) Chemical compound OP([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-L 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- 235000015320 potassium carbonate Nutrition 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 229940072033 potash Drugs 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 235000016068 Berberis vulgaris Nutrition 0.000 description 1
- 241000335053 Beta vulgaris Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 102000004160 Phosphoric Monoester Hydrolases Human genes 0.000 description 1
- 108090000608 Phosphoric Monoester Hydrolases Proteins 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- PWZFXELTLAQOKC-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide;tetrahydrate Chemical compound O.O.O.O.[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O PWZFXELTLAQOKC-UHFFFAOYSA-A 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- -1 phospho Chemical class 0.000 description 1
- 238000000247 postprecipitation Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
In the production, firstly, fertilizer ammonium nitrate, fertilizer potassium chloride, industrial salt, tap water and fertilizer ammonium dihydrogen phosphate are used to prepare circulating solution, then the circulating solution is circularly acted with fertilizer potassium chloride, fertilizer ammonium dihydrogen phosphate or fertilizer ammonium sulfate and sodium chloride to produce potassium dihydrogen phosphate or potassium sulfate and fertilizer ammonium chloride as by-product.
Description
Knownly produce the production method of potassium primary phosphate with biphosphate ammonium fertilizer and Repone K fertilizer, the yield of its product potassium primary phosphate is: 60～65%, and its ammonium chloride byproduct reclaims through evaporation concentration by separating mother liquor.
The known fertilizer ammonium sulfate of using, fertilizer Repone K is produced the production method of vitriolate of tartar, is to adopt ammonia circulating process potassium sulfate making, and it separates mother liquor and reclaims the ammonium chloride byproduct through evaporation concentration.
The product yield of the production method of existing potassium primary phosphate is lower, and needs evaporation concentration to reclaim byproduct.
The objective of the invention is to improve with the fertilizer monoammonium phosphate, fertilizer Repone K is produced the product yield of potassium primary phosphate, and reclaims the ammonium chloride byproduct at normal temperatures.
The objective of the invention is to simplify to fall to have now with ammonium sulfate fertilizer, Repone K fertilizer is produced the ammonia circulating process of vitriolate of tartar, and reclaims the ammonium chloride byproduct at normal temperatures.
Implementation method of the present invention is as follows:
1. preparation circulate soln:
With fertilizer ammonium nitrate, fertilizer Repone K, industrial table salt, tap water, fertilizer primary ammonium phosphate or fertilizer ammonium sulfate, press column weight amount proportioning, mixed, be heated to 50～70 ℃ and react:
Fertilizer ammonium nitrate: 1100～730 parts; Fertilizer Repone K: 560～310 parts; Industrial table salt: 800～530 parts; 1000 parts in tap water; The fertilizer primary ammonium phosphate: 130 parts, or fertilizer ammonium sulfate: 60 parts.
The chemical equation of reaction is:
Reacted 30～60 minutes, and be cooled to 23～25 ℃, separate the KNO that contains that generates
3, NH
4The precipitation of Cl promptly gets the NaNO that contains that will prepare
3Circulate soln,
2. with circulate soln cyclic production potassium primary phosphate or vitriolate of tartar and ammonium chloride:
(1) with circulate soln and Repone K fertilizer effect precipitated sodium chloride:
1 circulate soln of being prepared is added fertilizer Repone K, and heat temperature raising is with the NaNO in the circulate soln
3Following reaction takes place:
Reaction conditions is:
1. the charging capacity of fertilizer Repone K: 185～125 grams per liters.
2. temperature of reaction: 50～70 ℃, the reaction times: 30～60 minutes.
After reaction finishes, separate and use after the NaCl that generates is left to, will separate mother liquor and be cooled to 35～40 ℃, separate the KCl crystallization that generates, separate mother liquor and enter next step production, use after isolated KCI is left to.
(2) produce potassium primary phosphate or vitriolate of tartar with circulating mother liquor:
The separation mother liquor that to produce in (1) adds biphosphate ammonium fertilizer or ammonium sulfate fertilizer, and following reaction takes place:
Reaction conditions is:
1. the charging capacity of fertilizer phosphoric acid=hydrogen ammonium: 205～115 grams per liters,
Or the charging capacity of fertilizer ammonium sulfate: 120～65 grams per liters,
2. temperature of reaction: 40～45 ℃, the reaction times: 30～60 minutes; Be cooled to 28～32 ℃ after reaction finishes, after reaction finishes, separate the crystal that generates, be potassium primary phosphate or potassium product, separate mother liquor and be used to produce ammonium chloride:
(3) produce ammonium chloride with circulating mother liquor:
To produce in (1) isolating NaCL and put into production in (2) isolating circulating mother liquor, following reaction will take place:
Reaction conditions is:
(1) charging capacity of sodium-chlor: for producing 1.02～1.05 times of isolated NaCL weight in (1).
(2) temperature of reaction: 28～32 ℃, reacted 30～60 minutes, after finishing, reaction is cooled to 23～25 ℃.
After reaction finishes, separate the NH that generates
4The CL precipitation is byproduct fertilizer ammonium chloride.
So far, produce and finished a circulation, this circulation separates NH
4Mother liquor behind the CL drops into Repone K fertilizer (comprising isolating Repone K in the production (1)) again and produces by the method for (1), (2), (3) again, so constantly repeats, and finishes the successive production process.
Example:
1. preparation circulate soln:
Fertilizer ammonium nitrate, fertilizer Repone K, industrial table salt, tap water, fertilizer primary ammonium phosphate or fertilizer ammonium sulfate are pressed mixed, the dissolving of column weight amount proportioning, are heated to 60 ℃, react:
Ammonium nitrate: 816 grams; Repone K: 340.2 grams; Salt: 600 grams; Tap water: 900 grams; Phosphoric acid=hydrogen ammonium: 117 grams or ammonium sulfate 54 grams.
Reacted 30 minutes, and after reaction finishes, be cooled to 23 ℃, isolate and contain KNO
3, NH
4Precipitation 726 grams or 666 grams of CL must separate 1430 milliliters in mother liquor, and this mother liquor is circulate soln.
2. carry out the cyclic production first time:
(1) separate out NaCl with circulate soln and the effect of fertilizer Repone K:
Fertilizer Repone K (KCl that contains 98% weight) 143 grams per liter solution 204.5 are restrained totally, drop in 1 circulate soln of being prepared, be warming up to 60 ℃, reacted 30 minutes, separate the NaCl precipitation, get 84 grams, be cooled to 37 ℃, separate the KCl crystallization, get 58 grams, 1460 milliliters in mother liquor.
(2) produce potassium primary phosphate or vitriolate of tartar:
(purified contains the NH of 97% weight to add the fertilizer primary ammonium phosphate
4H
2PO
4) 155.5 grams per liters totally 227 grams, in producing (1) mother liquor after separating KCl, keep 40 ℃ of reactions 30 minutes, be cooled to 28 ℃, separate the KH that separates out
2PO
4Crystallization gets 262.5 grams, 1435 milliliters in mother liquor.
Or: add the fertilizer ammonium sulfate ((NH that contains 98% weight
4)
2SO
4) 89.2 grams totally 130 grams, in producing (1) mother liquor after separating KCl, keep 40 ℃ of reactions 30 minutes, be cooled to 28 ℃, separate the K that separates out
2SO
4Crystallization gets 155 grams, 1435 milliliters in mother liquor.
(3) produce ammonium chloride:
Add the isolated NaCl of production (1), and excessive 2% 86 restrain in producing (2) isolating mother liquor totally, keep 28 ℃ of reactions 30 minutes, be cooled to 23 ℃, separate the NH that generates
4The Cl precipitation gets 124 grams, 1400 milliliters in mother liquor.
3. carry out the cyclic production second time:
(1) separate out NaCl with circulating mother liquor and the effect of fertilizer Repone K:
The production (3) that will circulate separates NH
4Mother liquor behind the Cl adds fertilizer Repone K, and it measures 152.5 grams per liters totally 214 grams (comprising circulation one production (1) isolating KCl crystallization), is warming up to 65 ℃, reacts 30 minutes, after reaction finishes, separate the NaCl precipitation, get 78 grams, be cooled to 37 ℃, separate the KCl crystallization, get 68 grams, 1455 milliliters in mother liquor.
(2) produce potassium primary phosphate or vitriolate of tartar:
Add fertilizer primary ammonium phosphate 155.5 grams per liters in totally 226 mother liquors that restrain after this cyclic production (1) is separated KCl, keep 40 ℃ of reactions 30 minutes, be cooled to 28 ℃, separate KH
2PO
4Crystal gets 253 grams, 1435 milliliters in mother liquor.
Or: add fertilizer ammonium sulfate 89.2 grams per liters in totally 130 mother liquors that restrain after this cyclic production (1) is separated KCl, keep 40 ℃ of reactions 30 minutes, be cooled to 28 ℃, separate K
2SO
4Crystal gets 155 grams, 1435 milliliters in mother liquor.
(3) produce ammonium chloride:
Add the isolated NaCl of this cyclic production (1), and excessive 2.5% 75 restrain in producing (2) isolating mother liquor totally, keep 28 ℃ of reactions 30 minutes, be cooled to 23 ℃, separate the NH that generates
4The Cl precipitation gets 120 grams, 1400 milliliters in mother liquor.
Later cyclic production is just undertaken by the method for circulation two.
4. production effect:
The production of circulation two:
The product potassium primary phosphate corresponding to the yield of raw material primary ammonium phosphate is: 94.4%
Product K H
2PO
4Content be: the 97.4%(butt), meet agricultural quality standard,
The product vitriolate of tartar is 97.6% corresponding to the yield of raw material sulphuric acid ammonium
K in the product
2SO
4Content be: the 98.5%(butt), meet agricultural quality standard.
The content of NaCl is in the byproduct ammonium chloride: 1.8%, meet the agricultural fertilizer standard.
Potassium primary phosphate is a kind of water-soluble no chlorine phospho potash complex fertilizer that contains high component nutrient for plants, has good performance, physicochemical property are stable, salt index is low, can not burn during use leaf or the root system of crop, its dilute solution is usually used in foliage fertilization, also be the raw material of obtaining liq fertilizer, but, fail on the agricultural at present to widely apply because production cost is higher than other chemical fertilizer, the existing the simplest method of potassium primary phosphate of producing, be neutralisation, but cost is very high, in addition with phosphoric acid and potassium hydroxide or salt of wormwood direct reaction, also has the preparation method of directly removing HCL with the Repone K and the phosphatase reaction of cheapness, but, do not obtain satisfied result so far, the double decomposition close with the inventive method owing to the severe corrosive of reaction medium under the high temperature and the disproportionation under the high temperature, be to carry out metathesis, again at NH with Repone K and primary ammonium phosphate
4-KH
2PO
4-H
2The O system phase diagram is isolated potassium primary phosphate, but yield is not high, and need high temperature evaporation to reclaim the ammonium chloride byproduct, with method of the present invention can be raw material with fertilizer Repone K cheap and easy to get and biphosphate ammonium fertilizer, simply, produce potassium primary phosphate with high yield, and reclaim the ammonium chloride byproduct at normal temperatures, its production technique is simple, production cost is low, can obtain the production cost close with other fertilizer, is a kind of Perfected process of production potassium dihydrogen phosphate product, enforcement of the present invention, can be simply, mass production is potassium primary phosphate cheaply, satisfies the demand of agricultural sector, has significant industry and economic results in society.
Vitriolate of tartar is a potash fertilizer kind maximum except that the chlorination potassic fertilizer, is used for happiness potassium fear-chlorion crops such as tobacco, potato, beet, grape in a large number.China does not have the production of this fertilizer for a long time, in a large number from external import, expend huge foreign exchange, with ammonium sulfate fertilizer and Repone K fertilizer is the traditional technology of raw material production vitriolate of tartar, need the ammonia circulating process to produce vitriolate of tartar, and need high temperature evaporation to concentrate recovery ammonium chloride byproduct, and its complex manufacturing, production cost is higher.Use method of the present invention, can simplify the deammoniation circulating process, and reclaim the ammonium chloride byproduct at normal temperatures, its production technique is simple, and energy consumption is few, and production cost is low, be a kind of with fertilizer ammonium sulfate, fertilizer Repone K is the Perfected process of raw material production vitriolate of tartar, and enforcement of the present invention can be simply, mass production vitriolate of tartar cheaply, substituting import one satisfies the demand of agricultural sector, has significant industry and economic results in society.
Realize that process flow of the present invention has been a mode as described in the accompanying drawing, its worker:
1. prepare the circulate soln operation:
With fertilizer ammonium nitrate a, fertilizer Repone K B, industrial table salt D, tap water C, fertilizer primary ammonium phosphate A or fertilizer ammonium sulfate C drop in the reactive tank 1, react through metering, mixing, heating by aforementioned preparation circulate soln method partly, after reaction finishes, separate the precipitation that generates with pressure filter 2, separate mother liquor and be the circulate soln that to prepare.
2. the production process of sodium-chlor:
The circulate soln of production process 1 preparation is put into reactive tank 3, add fertilizer Repone K F, by aforementioned production method, react, after reaction finishes with circulate soln and fertilizer Repone K effect precipitated sodium chloride part, separate the NaCID that generates with pressure filter 4, this sodium-chlor is used to produce ammonium chloride, separates sodium-chlor post precipitation separation mother liquor and enters in the crystallization groove 5, through cooling, separate the KCl crystallization H that separates out with pressure filter 6, this Repone K is used for the production of sodium-chlor.
3. potassium primary phosphate or vitriolate of tartar production process:
Mother liquor behind the production process 2 separation KCl crystal is squeezed in the reactive tank 7, add fertilizer primary ammonium phosphate A or fertilizer ammonium sulfate C, by the production method of aforementioned potassium primary phosphate or vitriolate of tartar part produce finish after, separate the crystal of separating out with whizzer 8, be potassium primary phosphate M or vitriolate of tartar N finished product.
4. Production of Ammonium Chloride operation:
Mother liquor behind the production process 3 separation finished products is squeezed in the reactive tank 1, added production process 1 isolating sodium-chlor D, produce by the production method of aforementioned ammonium chloride part, after reaction finished, the precipitation with pressure filter 2 separation generate was ammonium chloride finished product E.
More than produce and finished a circulation, later production just constantly repeats by above-mentioned 234 production method, finishes the successive production process.
Claims (5)
1, potassium primary phosphate, the production method of vitriolate of tartar is characterized in that: at first be mixed with the circulate soln that contains SODIUMNITRATE; This circulate soln of reheat and fertilizer Repone K effect precipitated sodium chloride; Mother liquor behind the separation sodium-chlor cools and separates out Repone K; Potassium primary phosphate or potassium product are produced in mother liquor behind the separation Repone K and fertilizer primary ammonium phosphate or fertilizer ammonium sulfate effect; Mother liquor behind separation potassium primary phosphate or the vitriolate of tartar and production begin to separate out isolating sodium-chlor effect and produce ammonium chloride, and this ammonium chloride is byproduct.Mother liquor behind the separating ammonium chloride contains SODIUMNITRATE, this mother liquor as circulate soln again with the effect of fertilizer Repone K, carry out above-mentioned production again.
2, according to the production method of the described potassium primary phosphate vitriolate of tartar of claim 1, it is characterized in that:
The circulate soln that contains SODIUMNITRATE is mixed with following reactants and weight proportion warp thereof, reacting by heating, and precipitation separation is prepared:
Fertilizer ammonium nitrate: 1100～730 parts; Fertilizer Repone K: 560～310 parts; Industrial table salt: 800～530 parts; Tap water: 1000 parts; Fertilizer primary ammonium phosphate: 130 parts; Or fertilizer ammonium sulfate: 60 parts.
3, according to the described potassium primary phosphate of claim 1, the production method of vitriolate of tartar is characterized in that: with circulate soln and fertilizer Repone K effect precipitated sodium chloride, the mother liquor behind the separation sodium-chlor is separated out Repone K:
(1) charging capacity of fertilizer Repone K: 205～125 grams per liters.
(2) temperature of reaction: 50～70 ℃, the reaction times: 30～60 minutes; After reaction finishes, separate the sodium-chlor of separating out, mother liquor is cooled to 35～40 ℃, separate the Repone K of separating out.
4, according to the described potassium primary phosphate of claim 1, the production method of vitriolate of tartar is characterized in that: separate out mother liquor and primary ammonium phosphate or ammonium sulfate effect production potassium primary phosphate or vitriolate of tartar behind the Repone K with separating;
(1) charging capacity of primary ammonium phosphate: 205～115 grams per liters, or the charging capacity of ammonium sulfate: 120～65 grams per liters.
(2) temperature of reaction: 40～45 ℃, the reaction times: 30～60 minutes, after finishing, reaction is cooled to 28～32 ℃, separate the potassium primary phosphate or the vitriolate of tartar of separating out.
5, according to the described potassium primary phosphate of claim 1, the production method of vitriolate of tartar is characterized in that: produce ammonium chloride with mother liquor and sodium-chlor effect behind separation potassium primary phosphate or the vitriolate of tartar:
(1) drops into participation reaction in the circulating mother liquor with producing the isolating sodium-chlor of beginning excessive 2～5%.
(2) temperature of reaction: 28～32 ℃, the reaction times: 30～60 minutes, after finishing, reaction is cooled to 23～25 ℃, separate the ammonium chloride of separating out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89106858 CN1045085A (en) | 1989-11-23 | 1989-11-23 | Production method of potassium dihydrogen phosphate and potassium sulfate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89106858 CN1045085A (en) | 1989-11-23 | 1989-11-23 | Production method of potassium dihydrogen phosphate and potassium sulfate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1045085A true CN1045085A (en) | 1990-09-05 |
Family
ID=4856929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89106858 Pending CN1045085A (en) | 1989-11-23 | 1989-11-23 | Production method of potassium dihydrogen phosphate and potassium sulfate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1045085A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277901B (en) * | 2005-08-11 | 2013-01-23 | 克鲁有限公司 | Methods of producing fertilizer and CO2 |
| CN101395103B (en) * | 2005-12-01 | 2013-03-13 | 克鲁有限公司 | A method for the combined production of a sulfur oxide containing product and a fertilizer |
| CN106430132A (en) * | 2016-11-04 | 2017-02-22 | 湖北三宁化工股份有限公司 | Method for preparing monopotassium phosphate and co-product ammonium sulfate by circulation method |
-
1989
- 1989-11-23 CN CN 89106858 patent/CN1045085A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101277901B (en) * | 2005-08-11 | 2013-01-23 | 克鲁有限公司 | Methods of producing fertilizer and CO2 |
| CN101395103B (en) * | 2005-12-01 | 2013-03-13 | 克鲁有限公司 | A method for the combined production of a sulfur oxide containing product and a fertilizer |
| CN106430132A (en) * | 2016-11-04 | 2017-02-22 | 湖北三宁化工股份有限公司 | Method for preparing monopotassium phosphate and co-product ammonium sulfate by circulation method |
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