CN1172879C - Utilizing phosphogypsum and fly ash to produce silicon-calcium-sulfur fertilizer and method thereof - Google Patents
Utilizing phosphogypsum and fly ash to produce silicon-calcium-sulfur fertilizer and method thereof Download PDFInfo
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- CN1172879C CN1172879C CNB011395249A CN01139524A CN1172879C CN 1172879 C CN1172879 C CN 1172879C CN B011395249 A CNB011395249 A CN B011395249A CN 01139524 A CN01139524 A CN 01139524A CN 1172879 C CN1172879 C CN 1172879C
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- Prior art keywords
- fertilizer
- phosphogypsum
- calcium
- fly ash
- powder
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- Expired - Fee Related
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 38
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 35
- BGBARFFABAUNTO-UHFFFAOYSA-N [Si].[Ca].[S] Chemical compound [Si].[Ca].[S] BGBARFFABAUNTO-UHFFFAOYSA-N 0.000 title claims abstract 8
- 239000010881 fly ash Substances 0.000 title claims description 31
- 238000000034 method Methods 0.000 title description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims description 12
- 229910021538 borax Inorganic materials 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 229910000514 dolomite Inorganic materials 0.000 claims description 5
- 239000010459 dolomite Substances 0.000 claims description 5
- 239000004328 sodium tetraborate Substances 0.000 claims description 5
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- 239000011609 ammonium molybdate Substances 0.000 claims description 4
- 235000018660 ammonium molybdate Nutrition 0.000 claims description 4
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 claims description 4
- 229940010552 ammonium molybdate Drugs 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 3
- 239000011707 mineral Substances 0.000 claims 3
- 235000010755 mineral Nutrition 0.000 claims 3
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims 2
- 239000011684 sodium molybdate Substances 0.000 claims 2
- 235000015393 sodium molybdate Nutrition 0.000 claims 2
- VSOYJNRFGMJBAV-UHFFFAOYSA-N N.[Mo+4] Chemical compound N.[Mo+4] VSOYJNRFGMJBAV-UHFFFAOYSA-N 0.000 claims 1
- 208000004078 Snake Bites Diseases 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 239000004615 ingredient Substances 0.000 claims 1
- 239000011812 mixed powder Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 17
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000047 product Substances 0.000 abstract description 10
- 239000011575 calcium Substances 0.000 abstract description 7
- 229910052791 calcium Inorganic materials 0.000 abstract description 7
- 239000011777 magnesium Substances 0.000 abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract description 5
- 229910052710 silicon Inorganic materials 0.000 abstract description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 4
- 229910052749 magnesium Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 239000002910 solid waste Substances 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229910052717 sulfur Inorganic materials 0.000 abstract description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052796 boron Inorganic materials 0.000 abstract description 2
- 239000006227 byproduct Substances 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 235000015097 nutrients Nutrition 0.000 abstract description 2
- 239000011701 zinc Substances 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract description 2
- 239000010883 coal ash Substances 0.000 abstract 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 abstract 1
- 239000003895 organic fertilizer Substances 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 5
- 239000005864 Sulphur Substances 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035558 fertility Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 208000035719 Maculopathy Diseases 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 208000000509 infertility Diseases 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 231100000535 infertility Toxicity 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 208000002780 macular degeneration Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 1
- 229910052939 potassium sulfate Inorganic materials 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The present invention relates to a calcium silicon sulfur fertilizer scientifically prepared and directly produced by utilizing phosphogypsum and pulverized coal ash as main raw materials, the phosphogypsum is a by-product of a phosphoric acid plant, and the pulverized coal ash is a solid waste of a coal fired thermal power plant. The present invention solves the problems that the phosphogypsum can only be used for alkaline soil owing to high acidity when the phosphogypsum as a fertilizer is directly applied, the fertilizer effect of the pulverized coal ash separately applied is low, etc. The calcium silicon sulfur fertilizer produced comprises abundant medium nutrient elements, such as silicon, calcium, sulfur, etc., and various microelements, such as ferrum, magnesium, copper, zinc, boron, etc. The calcium silicon sulfur fertilizer which is neutral belongs to a citrate acid soluble fertilizer which can be applied to various types of soil and various crops, and the calcium silicon sulfur fertilizer has the obvious effects of soil improvement, fertilizer cultivation, yield increase and quality improvement. The product has the advantage of low price. The product can be used as a fertilizer and a soil improvement agent to be directly applied and can also be used as an additive agent to be used in the production of a compound fertilizer and the production of an organic fertilizer.
Description
Technical field
The present invention relates to two kinds of solid waste phosphogypsums and flyash and produce the preparation method of silico n calcium sulfur fertilizer and this fertilizer.
Background technology
Phosphogypsum is the byproduct when producing phosphoric acid, and 1 ton of phosphoric acid of every production will discharge 4.5～4.9 tons of phosphogypsums.Surplus about 50,000 tons of China's phosphoric acid by wet process output, phosphogypsum generation 20 ten thousand tons.Utilization about phosphogypsum mainly comprises co-producing sulfuric acid and cement, potassium sulfate making (ammonium), system Calucium Silicate powder and sodium sulfate etc., but because problems such as production technique, product cost and investment, major part is not utilized as yet at present, be stacked in inside and outside the factory, take a large amount of soils and cause environmental pollution, become the problem that puzzlement phosphoric acid factory ordinary production presses for solution.Flyash is the solid waste that coal-fired thermal power factory discharges.China's year discharging flyash is more than 100,000,000 ton at present, how rationally to handle this kind refuse, has become the important topic of power plant.Comprehensive Utilization Ways about flyash has reached kind more than 40, and its Application Areas comprises building materials, chemical industry, metallurgy, agricultural etc.Wherein the building material industry of consumption maximum fails to develop rapidly because the cost height is invested greatly and waited reason slowly with taking effect.Flyash is agricultural then to be the important channel of its development and use, and all pay much attention to countries in the world, and states such as the U.S., Australia, Britain and Russia have obtained many successful experiences aspect the crop yield utilizing flyash to improve the soil to foster and apply fertilizer, improve.But fertilizer efficiency is low, consumption is big, trucking costs is high because flyash exists in agricultural, and easily alkalization and may cause problem such as harmful element accumulation has become the major obstacle that its large-scale popularization is used.
At the problems referred to above, the present invention is carrying out on the basis of multianalysis the chemistry of phosphogypsum and two kinds of solid waste of flyash and physical properties etc., discovery mixes phosphogypsum with flyash, on the one hand the high pH value of flyash and strong adsorptivity can effectively be removed the strongly-acid and the reduction soluble fluoride content of phosphogypsum, thereby have overcome the toxic action of peracidity and fluorine when the phosphogypsum as fertilizer sources is used; Be strongly-acid and contain beneficial elements such as a large amount of calcium, magnesium, silicon, sulphur owing to phosphogypsum on the other hand, the solubility of trace element in silicon in the flyash, calcium, magnesium, zinc, molybdenum, boron, the copper etc. is increased, simultaneously replenished the content of elements such as silicon, calcium, magnesium, sulphur again, hanged down and problems such as consumption is big thereby solved the flyash fertilizer efficiency.
Summary of the invention
The object of the present invention is to provide a kind of trade waste phosphogypsum and flyash of utilizing to produce silico n calcium sulfur fertilizer and production technique thereof, this fertilizer can be applied to various types of soil and various crop, having significantly improves the soil foster and apply fertilizer effect and increasing yield and improving quality effect.
The composition weight part ratio of utilizing phosphogypsum and flyash to produce silico n calcium sulfur fertilizer provided by the invention is counted: phosphogypsum: 35.0～50.0, flyash: 40.0～50.0,80～100 order potassium felspar sand breezes: 2.0～4.0,80～100 order serpentine breezes: 2.0～4.0, dolomite breeze: 5.0～8.0, zinc sulfate: 0.5～1.5, borax or boric acid: 0.2～0.5, ammonium molybdate or Sodium orthomolybdate: 0.1～0.3; The best composition weight part ratio of this fertilizer is counted: phosphogypsum: 40.0, and flyash: 45.0, the potassium felspar sand breeze: 3.0, the serpentine ore powder: 3.0, the dolomite breeze: 7.5, zinc sulfate: 1.0, borax or boric acid: 0.3, ammonium molybdate or Sodium orthomolybdate: 0.2.
In the present invention, the technology of utilizing phosphogypsum and flyash to produce a kind of silico n calcium sulfur fertilizer is: a. with the phosphogypsum of humidity through airing or mechanical drying to moisture≤8%, and then be ground to below 20 orders; B. after weighing by formula ratio, phosphogypsum, flyash and other batch mixes are stirred well to evenly; C. the packing of weighing of the powder after will mixing promptly obtains powdery product.
The product that obtains also can be processed into spherical or cylindrical pellet through tablets press, needs to add an amount of tackiness agent this moment.
Embodiment
Weigh by following formula ratio:
Phosphogypsum 40.0
Flyash 45.0
Potassium felspar sand breeze 3.0
Serpentine ore powder 3.0
Dolomite breeze 7.5
Zinc sulfate 1.0
Borax (boric acid) 0.3
Ammonium molybdate (sodium) 0.2
Phosphogypsum is the weight after the oven dry, and water content≤8% through being ground to below 20 orders, fully stirs phosphogypsum, flyash and other batch mixes by above-mentioned dosage then, and the packing of at last powder of mixture being weighed is dispatched from the factory.
An important feature of the present invention is through foolproof technological process, with flyash and phosphogypsum thorough mixing, through solid state reaction, both can remove the strongly-acid of phosphogypsum, can obtain trace element fertilizer in the abundant silico-calcium sulphur of content again.Since utilize waste do main raw material and producing process simple, therefore, the low cost product of production helps promoting and a large amount of the use.Thereby for the comprehensive utilization of phosphogypsum and flyash provides an effective way.After measured, utilize the effective constituent of little fertilizer in a kind of silico-calcium sulphur of phosphogypsum and flyash production to be:
SiO
2≥25％ CaO≥10％ S≥8％
Element total content 〉=5% such as Fe+Mg+Cu+B+Mn+Mo+Sr+Ni
Fertilizer of the present invention shows to have following advantage through the field application test:
1. can be applied to all kinds soil, can effectively prevent soil acidityization and improve Soil structure, reduce unit weight, increase porosity,, particularly the physical behavior of improving colloid soil be had good effect improving ground temperature.Simultaneously, also have microorganism active and the conversion of promotion npk nutrient, equilibrium water, fertilizer, gas, heat effect in soil moisture retention, the enhancing soil.The effect of fostering and apply fertilizer of improving the soil is obvious.
2. trace element belongs to solubility in citric acid and solubility among Si, Ca, S and Fe, the Mg etc. that contain in the product of the present invention, can directly be absorbed by crop, fairly obvious to various crop yield effects such as paddy rice, corn, soybean, wheat, peanut, cotton, potato class, fruit tree and vegetables, improve output generally more than 15%.Simultaneously short strain disease, Infertility, withered disease, maculopathy, little leaf disease, variegated leaf disease etc. there is certain prevention effect.
3. product fertilizer efficiency of the present invention is long, strengthens soil fertility.This product belongs to controlled availability fertilizer, and effective constituent is non-volatile, is difficult for running off, and can absorb by slow long-acting supply crop, and fertilizer efficiency is sustainable more than 2 years, uses to significantly improve soil fertility year after year.
4. cheap, be easy to be accepted and a large amount of the use by the peasant.Because the main raw material that uses all belongs to waste, production technique is simple in addition, and production cost is low, and therefore, this product can replace farm manure to be used as base fertilizer using in a large number.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011395249A CN1172879C (en) | 2001-11-21 | 2001-11-21 | Utilizing phosphogypsum and fly ash to produce silicon-calcium-sulfur fertilizer and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011395249A CN1172879C (en) | 2001-11-21 | 2001-11-21 | Utilizing phosphogypsum and fly ash to produce silicon-calcium-sulfur fertilizer and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1363538A CN1363538A (en) | 2002-08-14 |
| CN1172879C true CN1172879C (en) | 2004-10-27 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011395249A Expired - Fee Related CN1172879C (en) | 2001-11-21 | 2001-11-21 | Utilizing phosphogypsum and fly ash to produce silicon-calcium-sulfur fertilizer and method thereof |
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| Country | Link |
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| CN (1) | CN1172879C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300065C (en) * | 2003-09-11 | 2007-02-14 | 汪敬恒 | Granular chlorine less potassium calcium silicon magnesium fertilizer and its manufacturing method |
| CN1301235C (en) * | 2004-10-27 | 2007-02-21 | 王刚 | Silicon potassium fertilizer |
| CN100475745C (en) * | 2005-11-25 | 2009-04-08 | 李德昌 | Novel long-acting compound phosphate fertilizer |
| CN101337685B (en) * | 2008-08-11 | 2010-06-02 | 昆明理工大学 | A method for producing calcium carbonate by absorbing carbon dioxide from phosphogypsum decomposition slag |
| CN101838168B (en) * | 2010-03-25 | 2012-09-12 | 辽宁方兴绿色产业集团有机肥有限公司 | Multielement active nutritional agent |
| CN102372527B (en) * | 2010-08-11 | 2013-12-25 | 辽宁省农业科学院环境资源与农村能源研究所 | Si-Ca-Zn-S-Mg fertilizer |
| CN103430678A (en) * | 2013-09-02 | 2013-12-11 | 江苏丘陵地区镇江农业科学研究所 | Application method of sulfur fertilizer for improving gluten content of strong gluten wheat |
| CN105712800A (en) * | 2014-12-01 | 2016-06-29 | 深圳市芭田生态工程股份有限公司 | Agricultural phosphogypsum mixture and preparation method thereof |
| CN105154100B (en) * | 2015-09-02 | 2017-05-24 | 山东农大肥业科技有限公司 | Acid soil improver as well as continuous team-pressure device and method thereof |
| CN113578916B (en) * | 2021-06-23 | 2022-05-10 | 常熟理工学院 | Method for realizing resource utilization of phosphogypsum by utilizing waste incineration fly ash |
| CN115814750B (en) * | 2022-12-15 | 2023-06-30 | 贵州大学 | Method for preparing porous calcium silicate adsorbent from phosphogypsum |
| CN117534523A (en) * | 2023-09-27 | 2024-02-09 | 宜都兴发化工有限公司 | Phosphogypsum crop growth promoter for saline-alkali soil, and preparation and application thereof |
-
2001
- 2001-11-21 CN CNB011395249A patent/CN1172879C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1363538A (en) | 2002-08-14 |
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