JP2000327463A - Method for stabilizing paste fertilizer - Google Patents
Method for stabilizing paste fertilizerInfo
- Publication number
- JP2000327463A JP2000327463A JP11142897A JP14289799A JP2000327463A JP 2000327463 A JP2000327463 A JP 2000327463A JP 11142897 A JP11142897 A JP 11142897A JP 14289799 A JP14289799 A JP 14289799A JP 2000327463 A JP2000327463 A JP 2000327463A
- Authority
- JP
- Japan
- Prior art keywords
- water
- soluble
- phosphoric acid
- fertilizer
- salt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000000087 stabilizing effect Effects 0.000 title claims description 14
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 56
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 28
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 150000002505 iron Chemical class 0.000 claims abstract description 17
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 13
- 239000010452 phosphate Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 abstract description 14
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract description 8
- 239000004202 carbamide Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000000725 suspension Substances 0.000 abstract description 7
- 238000010298 pulverizing process Methods 0.000 abstract description 5
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 abstract description 3
- -1 CDU Chemical class 0.000 abstract description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 abstract description 3
- 229910017464 nitrogen compound Inorganic materials 0.000 abstract description 3
- 150000002830 nitrogen compounds Chemical class 0.000 abstract description 3
- 239000004254 Ammonium phosphate Substances 0.000 abstract description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 abstract description 2
- 235000019289 ammonium phosphates Nutrition 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- 235000013877 carbamide Nutrition 0.000 abstract 1
- 235000011007 phosphoric acid Nutrition 0.000 abstract 1
- 239000001103 potassium chloride Substances 0.000 abstract 1
- 235000011164 potassium chloride Nutrition 0.000 abstract 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 abstract 1
- 229910052939 potassium sulfate Inorganic materials 0.000 abstract 1
- 235000011151 potassium sulphates Nutrition 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 11
- 235000021317 phosphate Nutrition 0.000 description 9
- 239000007788 liquid Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
- 229910000358 iron sulfate Inorganic materials 0.000 description 4
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000001612 separation test Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- VKFFEYLSKIYTSJ-UHFFFAOYSA-N tetraazanium;phosphonato phosphate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])(=O)OP([O-])([O-])=O VKFFEYLSKIYTSJ-UHFFFAOYSA-N 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 150000001447 alkali salts Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 2
- 239000004034 viscosity adjusting agent Substances 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- SQSPRWMERUQXNE-UHFFFAOYSA-N Guanylurea Chemical compound NC(=N)NC(N)=O SQSPRWMERUQXNE-UHFFFAOYSA-N 0.000 description 1
- 101000635799 Homo sapiens Run domain Beclin-1-interacting and cysteine-rich domain-containing protein Proteins 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 102100030852 Run domain Beclin-1-interacting and cysteine-rich domain-containing protein Human genes 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- KJAZZOWIUGBRCT-UHFFFAOYSA-K aluminum;iron(2+);phosphate Chemical compound [Al+3].[Fe+2].[O-]P([O-])([O-])=O KJAZZOWIUGBRCT-UHFFFAOYSA-K 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 239000001254 oxidized starch Substances 0.000 description 1
- 235000013808 oxidized starch Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/27—Dispersions, e.g. suspensions or emulsions
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はペースト肥料の安定化方
法に関する。詳しくは、りん酸と水溶性アルミニウム塩
と水溶性鉄塩を利用することにより取扱いが容易で、か
つ、安定なペースト肥料の安定化方法に関する。The present invention relates to a method for stabilizing paste fertilizer. More specifically, the present invention relates to a method for stabilizing a paste fertilizer which is easy to handle and stable by utilizing phosphoric acid, a water-soluble aluminum salt and a water-soluble iron salt.
【０００２】[0002]
【従来の技術】ペースト肥料は固体肥料と液体肥料の中
間的性状を有し、湛水された水田の土壌中の所定位置
に、所定量の肥料が確実に施用できることから、ペース
ト肥料施肥機技術の進展及び農家の省力化要請と相俟っ
て、また環境保全意識の高まりから、近年ペースト肥料
の使用量は急激な伸びを示している。ペースト肥料は一
般に尿素、りん安、塩加、硫安、硝安、水酸化加里等の
水可溶性塩類を必要に応じ粉砕し又はそのまま水に溶解
あるいは懸濁させ、使用目的によりウレアホルム、Ｉ
Ｂ、ＣＤＵ、グアニル尿素等の緩効性窒素化合物を加え
更に、デンプン、糖蜜アルコール発酵副産物、ＣＭＣ、
ベントナイト、アパタルジャイト、ポリエチレングリコ
ール、アルギン酸ナトリウム等の粘度調節剤、即ちペー
スト肥料の安定化剤を加え、攪拌、必要により湿式粉砕
を行って製造している。2. Description of the Related Art Paste fertilizers have intermediate properties between solid fertilizers and liquid fertilizers, and can reliably apply a predetermined amount of fertilizer to a predetermined position in flooded paddy soil. In recent years, the use of paste fertilizer has increased sharply in recent years, along with the demand for labor saving by farmers and the growing awareness of environmental conservation. Paste fertilizers are generally prepared by pulverizing water-soluble salts such as urea, ammonium phosphate, salt addition, ammonium sulfate, ammonium nitrate, and potassium hydroxide, or dissolving or suspending them in water as needed.
B, CDU, guanylurea and other slow-release nitrogen compounds, and further added starch, molasses alcohol fermentation by-products, CMC,
It is manufactured by adding a viscosity modifier such as bentonite, apattalite, polyethylene glycol, sodium alginate, etc., that is, a stabilizer for paste fertilizer, stirring and, if necessary, wet grinding.
【０００３】ペースト肥料は通常、可溶性肥料塩類が過
飽和状態で使用されるため、多量のコロイド状物質、未
溶解塩類を含み、加えて気温の変化により可溶肥料塩が
結晶を析出するため製造直後、あるいは保管中に沈殿物
を生成する。沈殿物生成による固−液分離を防止するた
めに前記各種の粘度調節剤、即ち安定化剤が使用されて
いるが、高価であることに加えて、必ずしも沈殿防止、
固−液分離防止効果が充分でない。[0003] Paste fertilizers usually contain a large amount of colloidal substances and undissolved salts because soluble fertilizer salts are used in a supersaturated state. In addition, soluble fertilizer salts precipitate crystals due to a change in temperature, so that immediately after production, Or forms a precipitate during storage. In order to prevent solid-liquid separation due to the formation of precipitates, the above-mentioned various viscosity modifiers, that is, stabilizers, are used.
The effect of preventing solid-liquid separation is not sufficient.
【０００４】[0004]
【発明が解決しようとする課題】かかる現状に鑑み、本
発明者らは沈殿、固−液分離を見ないペースト肥料の安
定化方法について鋭意研究を重ねた結果、以下に詳記す
る本発明を完成したものである。In view of this situation, the present inventors have conducted intensive studies on a method for stabilizing a paste fertilizer without sedimentation or solid-liquid separation, and as a result, the present invention described in detail below has been obtained. It is completed.
【０００５】[0005]
【課題を解決するための手段】即ち、本発明はりん酸及
び／又は水溶性りん酸塩を使用するペースト肥料に於い
て、水溶性アルミニウム塩と水溶性鉄塩とを使用するこ
とからなるペースト肥料の安定化方法に関する。That is, the present invention relates to a paste fertilizer using phosphoric acid and / or a water-soluble phosphate, the paste comprising using a water-soluble aluminum salt and a water-soluble iron salt. The present invention relates to a method for stabilizing fertilizer.
【０００６】本発明に於いて重要なことは、ペースト肥
料原料としてりん酸及び／又は水溶性りん酸塩を使用す
ることであり、水溶性りん酸塩としてはりん酸ナトリウ
ム、りん酸カリウム、りん酸アンモニウム等が好例とし
て挙げられるがこれらに限定されるものではない。ペー
スト肥料中のりん酸濃度（Ｐ2Ｏ5）は１０重量％以上で
ある。即ち１０重量％以下であると、後述する水溶性ア
ルミニウム塩及び水溶性鉄塩との関係に於いて、充分な
沈殿防止、固−液分離防止を期待することができない。
上限に関してはペースト肥料の安定化にあまり大きな影
響はなく、所望する範囲の濃度とすればよい。一般的に
Ｐ2Ｏ5として１２重量％以上である。What is important in the present invention is the use of phosphoric acid and / or a water-soluble phosphate as a raw material for paste fertilizer, and the water-soluble phosphates include sodium phosphate, potassium phosphate, and phosphorus. Preferred examples include ammonium acid, but are not limited thereto. The concentration of phosphoric acid (P 2 O 5 ) in the paste fertilizer is 10% by weight or more. That is, if the content is 10% by weight or less, sufficient prevention of precipitation and prevention of solid-liquid separation cannot be expected in relation to a water-soluble aluminum salt and a water-soluble iron salt described below.
The upper limit does not significantly affect the stabilization of the paste fertilizer, and the concentration may be in a desired range. Generally, it is 12% by weight or more as P 2 O 5 .
【０００７】次に安定化のために使用する水溶性アルミ
ニウム塩としては、塩化アルミニウム、硝酸アルミニウ
ム、硫酸アルミニウム及びこれらの塩基性塩が好例とし
て挙げられる。また水溶性アルミニウム塩と共に使用す
る水溶性鉄塩としては、塩化鉄、硝酸鉄、硫酸鉄及びこ
れらの塩基性塩が好例として挙げられる。またこれらを
同時に二種類以上使用することを妨げるものではない。[0007] As the water-soluble aluminum salt used for stabilization, aluminum chloride, aluminum nitrate, aluminum sulfate and basic salts thereof are mentioned as preferred examples. Preferred examples of the water-soluble iron salt used together with the water-soluble aluminum salt include iron chloride, iron nitrate, iron sulfate, and basic salts thereof. Also, it does not prevent the use of two or more of these at the same time.
【０００８】さて、次に水溶性アルミニウム塩と水溶性
鉄塩との使用割合いについて言えば、Ａｌ2Ｏ3／Ｆｅ2
Ｏ3（モル比）＝１．０〜１０である。理由は明らかで
はないが、この範囲を逸脱すると充分な沈殿防止、固−
液分離防止効果が得られない。また、水溶性アルミニウ
ム塩及び水溶性鉄塩のりん酸及び／又は水溶性りん酸塩
に対する使用割合について言えば、Ａｌ2Ｏ3＋Ｆｅ2Ｏ3
／Ｐ2Ｏ5（モル比）＝０．０１〜０．０８である。この
範囲を逸脱すると上記と同様充分な沈殿防止、個−液分
離防止効果が得られない。Next, regarding the use ratio of the water-soluble aluminum salt and the water-soluble iron salt, Al 2 O 3 / Fe 2
O 3 (molar ratio) = 1.0-10. Although the reason is not clear, if it deviates from this range, sufficient precipitation prevention and solid
The effect of preventing liquid separation cannot be obtained. Further, regarding the ratio of water-soluble aluminum salt and water-soluble iron salt to phosphoric acid and / or water-soluble phosphate, Al 2 O 3 + Fe 2 O 3
/ P 2 O 5 (molar ratio) is = 0.01 to 0.08. If the ratio is out of this range, sufficient effects of preventing precipitation and preventing individual-liquid separation cannot be obtained.
【０００９】本発明のペースト肥料の安定化方法につい
て更に詳しく述べると、反応槽に所望する成分となるよ
うに水及び尿素、塩加、硫加、りん酸、りん安、硝安、
塩化マグネシウム、硫酸マグネシウム等の可溶性肥料塩
類、ＩＢ、ＣＤＵ等の緩効性窒素化合物を加え肥料懸濁
液をつくる。尚、肥料懸濁液をつくるに当たり、必ずし
も所望する成分の全量を加える必要はなく、半量程度で
も良い。The method for stabilizing a paste fertilizer of the present invention will be described in more detail. Water and urea, salt addition, sulfur addition, phosphoric acid, phosphoric acid, ammonium nitrate, water and urea so as to have the desired components in a reaction vessel.
A fertilizer suspension is prepared by adding soluble fertilizer salts such as magnesium chloride and magnesium sulfate and slow-release nitrogen compounds such as IB and CDU. In preparing the fertilizer suspension, it is not always necessary to add the whole amount of the desired component, and it may be about half.
【００１０】次に肥料懸濁液に所定量の水溶性アルミニ
ウム塩及び水溶性鉄塩を加え、ボールミル等で湿式粉砕
する。粉砕は固形分の平均粒子径が２００μｍ以下にな
るように粉砕することが望ましい。粉砕により肥料懸濁
液は次第に増粘し、均質なペースト肥料となる。尚、肥
料塩類を予め粉砕し、これを水に懸濁させることもでき
る。Next, a predetermined amount of a water-soluble aluminum salt and a water-soluble iron salt are added to the fertilizer suspension, and wet-ground with a ball mill or the like. The pulverization is desirably performed so that the average particle diameter of the solid content is 200 μm or less. Due to the pulverization, the fertilizer suspension gradually thickens to a homogeneous paste fertilizer. Incidentally, the fertilizer salts may be ground in advance and suspended in water.
【００１１】本発明ペースト肥料の安定化機構について
は必ずしも明らかではないが、りん酸及び／又は水溶性
りん酸塩と水溶性アルミニウム塩と水溶性鉄塩との使用
によりりん酸アルミニウム鉄のゲル状物が生成し、ペー
スト肥料を安定化しているものと推定される。従って、
りん酸及び／又は水溶性りん酸塩の濃度が高く、Ａｌ 2
Ｏ3＋Ｆｅ2Ｏ3／Ｐ2Ｏ5（モル比）の値が大きい程ペー
スト肥料の粘性は大きくなり、安定化も大きくなる。し
かし前記の範囲を超えるべきではない。[0011] Stabilizing mechanism of the paste fertilizer of the present invention
Is not always clear, but phosphoric acid and / or water-soluble
Use of phosphates, water-soluble aluminum salts and water-soluble iron salts
As a result, a gel of aluminum iron phosphate is formed,
It is estimated that the fertilizer has stabilized. Therefore,
High concentration of phosphoric acid and / or water-soluble phosphate, Al Two
OThree+ FeTwoOThree/ PTwoOFive(Molar ratio)
The viscosity of the fertilizer increases and the stabilization also increases. I
However, it should not exceed the above range.
【００１２】本発明ペースト肥料安定化の別法として、
りん酸及び／又は水溶性りん酸塩に水溶性アルミニウム
塩と水溶性鉄塩を加え、あるいは水溶性アルミニウム塩
と水溶性鉄塩にりん酸及び／または水溶性りん酸塩を加
えた後、これに肥料塩を加え肥料懸濁液をつくり、湿式
粉砕しペースト肥料を製造することもできるが前記の方
法に比べて安定化効果は小さい。即ち、肥料塩類の存在
下でゲル状物を生成させることが望ましい。以下に本発
明の実施例挙げてを更に詳しく説明するが、本発明はこ
れら実施例に限定されるものではない。また、特に断ら
ない限り％は全て重量％を表す。As another method for stabilizing the paste fertilizer of the present invention,
After adding water-soluble aluminum salt and water-soluble iron salt to phosphoric acid and / or water-soluble phosphate, or adding phosphoric acid and / or water-soluble phosphate to water-soluble aluminum salt and water-soluble iron salt, A fertilizer suspension can be prepared by adding a fertilizer salt to the mixture, and wet pulverization can be performed to produce a paste fertilizer, but the stabilizing effect is smaller than that of the above method. That is, it is desirable to generate a gel in the presence of fertilizer salts. Hereinafter, examples of the present invention will be described in more detail, but the present invention is not limited to these examples. Unless otherwise specified, all percentages represent% by weight.
【００１３】[0013]
【実施例】[実施例１]尿素１８５部、第二りん酸アンモ
ニウム（Ｐ2Ｏ5４６％）１９５部、塩加２００部、りん
酸（Ｐ2Ｏ5５４％）６０部を３３８部の水に分散させた
後、塩基性塩化アルミニウム溶液（Ａｌ2Ｏ3１０％、Ｃ
ｌ８．０％）２０部及び塩基性硫酸鉄溶液（Ｆｅ2Ｏ3１
６％、ＳＯ4２７％）２部を混合し、湿式粉砕機で固形
分の平均粒子径が２００μｍ以下になるまで粉砕し、ペ
ースト肥料を製造した。尚、この場合における第二りん
酸アンモニウムとりん酸との含量Ｐ2Ｏ5濃度は１２．２
％、Ａｌ2Ｏ3／Ｆｅ2Ｏ3（モル比）＝９．８、Ａｌ2Ｏ3
＋Ｆｅ2Ｏ3／Ｐ2Ｏ5（モル比）＝０．０２５である。こ
のペースト肥料（粘度８００ｃｐ）を２０Ｋｇ用バック
インボックス〔小泉製麻(株)製（バロンボックスソフト
グリッパーＴＣ）〕に充填し、５０個を１０ｔトラック
に積載し、兵庫県加古川市の多木化学(株)本社工場から
新潟県直江津市まで往復輸送し、個−液分離状態を観察
したがいずれのバックインボックスも分離残渣は全く見
られなかった。EXAMPLES Example 1 185 parts of urea, 195 parts of ammonium diphosphate (46% of P 2 O 5 ), 200 parts of salt, and 338 parts of 60 parts of phosphoric acid (54% of P 2 O 5 ) After dispersing in water, a basic aluminum chloride solution (Al 2 O 3 10%, C
20% and a basic iron sulfate solution (Fe 2 O 3 1
(6%, SO 4 27%) were mixed and pulverized by a wet pulverizer until the average particle diameter of the solid content became 200 μm or less to produce a paste fertilizer. In this case, the content P 2 O 5 concentration of ammonium diphosphate and phosphoric acid was 12.2.
%, Al 2 O 3 / Fe 2 O 3 (molar ratio) = 9.8, Al 2 O 3
+ Fe 2 O 3 / P 2 O 5 (molar ratio) = 0.025. This paste fertilizer (viscosity 800 cp) was filled into a 20 kg back-in box [Koizumi Seisaku Co., Ltd. (Baron Box Soft Gripper TC)], and 50 were loaded on a 10-ton truck. It was transported back and forth from the head office factory to Naoetsu City, Niigata Prefecture, and the state of individual-liquid separation was observed, but no separation residue was found in any of the back-in boxes.
【００１４】[実施例２]尿素１００部、りん酸（Ｐ2Ｏ5
５４％）６０部、塩加１００部、第二りん酸アンモニウ
ム（Ｐ2Ｏ5４６％）１９５部を３３３部の水に溶解させ
た後、硫酸アルミニウム溶液（Ａｌ2Ｏ3８％）２５部、
硫酸第二鉄溶液（Ｆｅ2Ｏ3１６％）２部をよく混合し、
湿式粉砕機で固形分の平均粒子径が４００μｍになるま
で粉砕した。これに尿素８５部、塩加１００部を加えて
再度湿式粉砕機で固形分の平均粒子径が２００μｍ以下
になるまで粉砕した。尚、この場合におけるりん酸濃度
（Ｐ 2Ｏ5）は１２．２％、Ａｌ2Ｏ3／Ｆｅ2Ｏ3（モル
比）＝９．８、Ａｌ2Ｏ3＋Ｆｅ 2Ｏ3／Ｐ2Ｏ5（モル比）
＝０．０２５である。このペースト肥料（７５０ｃｐ）
を実施例１のバックインボックスに充填し、実施例１と
同じ方法で輸送分離試験を行ったが分離残渣は全く見ら
れなかった。Example 2 100 parts of urea, phosphoric acid (PTwoOFive
54%) 60 parts, salted 100 parts, ammonium phosphate dibasic
(PTwoOFive195 parts dissolved in 333 parts of water
After that, the aluminum sulfate solution (AlTwoOThree8%) 25 parts,
Ferric sulfate solution (FeTwoOThree16%) mix 2 parts well,
Use a wet grinder until the average particle size of the solids reaches 400 μm.
And crushed. Add 85 parts of urea and 100 parts of salt
The average particle diameter of the solid content is 200 μm or less again with the wet mill.
And crushed. In this case, the phosphoric acid concentration
(P TwoOFive) Is 12.2%, AlTwoOThree/ FeTwoOThree(Mol
Ratio) = 9.8, AlTwoOThree+ Fe TwoOThree/ PTwoOFive(Molar ratio)
= 0.025. This paste fertilizer (750cp)
Into the back-in box of Example 1,
A transport separation test was performed using the same method, but no separation residue was found.
Was not.
【００１５】[実施例３]尿素１８５部、塩加２００部、
表１に示す所定量のりん酸（Ｐ2Ｏ5５４％）、第二りん
酸アンモニウム（Ｐ2Ｏ5４６％）１９５部を水所定量に
分散させた後、表１に示す所定量の硫酸アルミニウム溶
液（Ａｌ2Ｏ3８％）及び塩基性硫酸鉄溶液（Ｆｅ2Ｏ3１
６％、ＳＯ4２７％）をよく混合し、湿式粉砕機で固形
分の平均粒子径が２００μｍ以下になるまで粉砕し、ペ
ースト肥料を製造した。このペースト肥料を実施例１の
バックインボックスに充填し、実施例１と同じ方法で輸
送分離試験を行った。その結果を表２に示す。Example 3 185 parts urea, 200 parts salted,
A predetermined amount of phosphoric acid (P 2 O 5 54%) and 195 parts of ammonium diphosphate (P 2 O 5 46%) shown in Table 1 were dispersed in a predetermined amount of water. Aluminum sulfate solution (Al 2 O 3 8%) and basic iron sulfate solution (Fe 2 O 3 1
6% and SO 4 27%), and the mixture was pulverized with a wet pulverizer until the average particle diameter of the solid content became 200 μm or less, to produce a paste fertilizer. This paste fertilizer was filled in the back-in box of Example 1, and a transport separation test was performed in the same manner as in Example 1. Table 2 shows the results.
【００１６】[0016]
【表１】 [Table 1]
【００１７】[0017]
【表２】 [Table 2]
【００１８】［比較例１］実施例３のサンプルＮｏ３に
於いて、硫酸アルミニウム溶液及び塩基性硫酸鉄溶液に
代えて酸化デンプン３０部を使用したことを除いては、
全く同様の方法によりペースト肥料を製造したところ、
輸送分離試験ではケーキ厚み１．５〜２ｃｍの塩加主体
の分離層が見られた。分離層は比較的堅い為、混合分散
するには労力を要するものであった。また酸化デンプン
を使用しない場合は製造後直ちに沈殿物が生成した。Comparative Example 1 In Sample No. 3 of Example 3, except that 30 parts of starch oxide was used instead of the aluminum sulfate solution and the basic iron sulfate solution.
When we produced paste fertilizer by exactly the same method,
In the transport separation test, a salt-based separation layer having a cake thickness of 1.5 to 2 cm was observed. Since the separation layer was relatively hard, it took much effort to mix and disperse. When no oxidized starch was used, a precipitate was formed immediately after the production.
【００１９】[0019]
【発明の効果】本発明はりん酸及び／又は水溶性りん酸
塩を使用するペースト肥料に於いて水溶性アルミニウム
塩と水溶性鉄塩とを使用することによりペースト肥料を
安定化する方法であり、安価で且つ容易に安定化するこ
とができ実用的価値の甚だ高いものである。The present invention is a method for stabilizing a paste fertilizer by using a water-soluble aluminum salt and a water-soluble iron salt in a paste fertilizer using phosphoric acid and / or a water-soluble phosphate. It is inexpensive and can be easily stabilized, and has extremely high practical value.
Claims (4)
するペースト肥料に於いて、水溶性アルミニウム塩と水
溶性鉄塩とを使用することからなるペースト肥料の安定
化方法。1. A method for stabilizing a paste fertilizer, comprising using a water-soluble aluminum salt and a water-soluble iron salt in a paste fertilizer using phosphoric acid and / or a water-soluble phosphate.
するペースト肥料のりん酸濃度（Ｐ2Ｏ5）が１０重量％
以上である請求項１記載のペースト肥料の安定化方法。2. The paste fertilizer using phosphoric acid and / or water-soluble phosphate has a phosphoric acid concentration (P 2 O 5 ) of 10% by weight.
The method for stabilizing paste fertilizer according to claim 1, which is as described above.
使用割合がＡｌ2Ｏ3／Ｆｅ2Ｏ3（モル比）＝１．０〜１
０である請求項１又は２記載のペースト肥料の安定化方
法。3. The use ratio of the water-soluble aluminum salt and the water-soluble iron salt is Al 2 O 3 / Fe 2 O 3 (molar ratio) = 1.0 to 1
The method for stabilizing a paste fertilizer according to claim 1 or 2, wherein the value is 0.
る水溶性アルミニウム塩と水溶性鉄塩との使用割合がＡ
ｌ2Ｏ3＋Ｆｅ2Ｏ3／Ｐ2Ｏ5（モル比）＝０．０１〜０．
０８である請求項１、２又は３記載のペースト肥料の安
定化方法。4. The use ratio of a water-soluble aluminum salt and a water-soluble iron salt to phosphoric acid and / or a water-soluble phosphate is A
l 2 O 3 + Fe 2 O 3 / P 2 O 5 (molar ratio) = 0.01-0.
The method for stabilizing a paste fertilizer according to claim 1, 2, or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11142897A JP2000327463A (en) | 1999-05-24 | 1999-05-24 | Method for stabilizing paste fertilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11142897A JP2000327463A (en) | 1999-05-24 | 1999-05-24 | Method for stabilizing paste fertilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000327463A true JP2000327463A (en) | 2000-11-28 |
Family
ID=15326150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11142897A Pending JP2000327463A (en) | 1999-05-24 | 1999-05-24 | Method for stabilizing paste fertilizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000327463A (en) |
-
1999
- 1999-05-24 JP JP11142897A patent/JP2000327463A/en active Pending
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