CA1118225A - High analysis liquid fertilizers - Google Patents
High analysis liquid fertilizersInfo
- Publication number
- CA1118225A CA1118225A CA000322156A CA322156A CA1118225A CA 1118225 A CA1118225 A CA 1118225A CA 000322156 A CA000322156 A CA 000322156A CA 322156 A CA322156 A CA 322156A CA 1118225 A CA1118225 A CA 1118225A
- Authority
- CA
- Canada
- Prior art keywords
- phosphoric acid
- urea
- acid
- fertilizer composition
- process according
- 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.)
- Expired
Links
- 239000003337 fertilizer Substances 0.000 title claims abstract description 103
- 239000007788 liquid Substances 0.000 title claims abstract description 70
- 238000004458 analytical method Methods 0.000 title claims abstract description 63
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 265
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 131
- 239000004202 carbamide Substances 0.000 claims abstract description 119
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 118
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000000034 method Methods 0.000 claims abstract description 75
- 230000008569 process Effects 0.000 claims abstract description 63
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 21
- 229940072033 potash Drugs 0.000 claims abstract description 18
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 18
- 235000015320 potassium carbonate Nutrition 0.000 claims abstract description 18
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 12
- 235000011007 phosphoric acid Nutrition 0.000 claims description 132
- 229960004838 phosphoric acid Drugs 0.000 claims description 127
- 239000000203 mixture Substances 0.000 claims description 102
- 239000002253 acid Substances 0.000 claims description 74
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- 239000000047 product Substances 0.000 claims description 27
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 20
- 150000007513 acids Chemical class 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 18
- 150000003839 salts Chemical class 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- 239000012263 liquid product Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000001103 potassium chloride Substances 0.000 claims description 10
- 235000011164 potassium chloride Nutrition 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 150000002739 metals Chemical class 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000011593 sulfur Substances 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005185 salting out Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 3
- 150000003112 potassium compounds Chemical class 0.000 claims 2
- 239000001117 sulphuric acid Substances 0.000 claims 2
- 235000011149 sulphuric acid Nutrition 0.000 claims 2
- 235000013877 carbamide Nutrition 0.000 claims 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims 1
- 239000011573 trace mineral Substances 0.000 abstract description 6
- 235000013619 trace mineral Nutrition 0.000 abstract description 6
- 239000003349 gelling agent Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 33
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 26
- 238000003756 stirring Methods 0.000 description 18
- 239000013078 crystal Substances 0.000 description 16
- 229910021529 ammonia Inorganic materials 0.000 description 13
- 239000002689 soil Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000000306 component Substances 0.000 description 10
- 239000012530 fluid Substances 0.000 description 10
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 9
- 229910019142 PO4 Inorganic materials 0.000 description 8
- 230000008901 benefit Effects 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 8
- 239000010452 phosphate Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- DZHMRSPXDUUJER-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;dihydrogen phosphate Chemical compound NC(N)=O.OP(O)(O)=O DZHMRSPXDUUJER-UHFFFAOYSA-N 0.000 description 6
- 230000009418 agronomic effect Effects 0.000 description 6
- 229960002816 potassium chloride Drugs 0.000 description 6
- 239000012298 atmosphere Substances 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 235000015097 nutrients Nutrition 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- SSBRSHIQIANGKS-UHFFFAOYSA-N [amino(hydroxy)methylidene]azanium;hydrogen sulfate Chemical compound NC(N)=O.OS(O)(=O)=O SSBRSHIQIANGKS-UHFFFAOYSA-N 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 235000021049 nutrient content Nutrition 0.000 description 3
- 150000003016 phosphoric acids Chemical class 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000004254 Ammonium phosphate Substances 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 2
- 235000019289 ammonium phosphates Nutrition 0.000 description 2
- 238000003556 assay Methods 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
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229920000137 polyphosphoric acid Polymers 0.000 description 2
- 229960003975 potassium Drugs 0.000 description 2
- 235000007686 potassium Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910021654 trace metal Inorganic materials 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 2
- 229960001763 zinc sulfate Drugs 0.000 description 2
- 229910000368 zinc sulfate Inorganic materials 0.000 description 2
- SMNDYUVBFMFKNZ-UHFFFAOYSA-N 2-furoic acid Chemical compound OC(=O)C1=CC=CO1 SMNDYUVBFMFKNZ-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000004114 Ammonium polyphosphate Substances 0.000 description 1
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- DXCJNDWOWCCXJH-UHFFFAOYSA-H P(=O)([O-])([O-])[O-].[K+].[Al+3].[Fe+2].P(=O)([O-])([O-])[O-] Chemical compound P(=O)([O-])([O-])[O-].[K+].[Al+3].[Fe+2].P(=O)([O-])([O-])[O-] DXCJNDWOWCCXJH-UHFFFAOYSA-H 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 235000010210 aluminium Nutrition 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229960000510 ammonia Drugs 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 description 1
- 229920001276 ammonium polyphosphate Polymers 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011785 micronutrient Substances 0.000 description 1
- 235000013369 micronutrients Nutrition 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 235000014786 phosphorus Nutrition 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 229940093932 potassium hydroxide Drugs 0.000 description 1
- JRIMDBCRZBYNJX-UHFFFAOYSA-M potassium;urea;chloride Chemical compound [Cl-].[K+].NC(N)=O JRIMDBCRZBYNJX-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229940045136 urea Drugs 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95473378A | 1978-10-30 | 1978-10-30 | |
| US954,733 | 1980-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1118225A true CA1118225A (en) | 1982-02-16 |
Family
ID=25495856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000322156A Expired CA1118225A (en) | 1978-10-30 | 1979-02-22 | High analysis liquid fertilizers |
Country Status (8)
| Country | Link |
|---|---|
| AU (1) | AU523286B2 (de) |
| BR (1) | BR7901753A (de) |
| CA (1) | CA1118225A (de) |
| DE (1) | DE2902651A1 (de) |
| FR (1) | FR2440346B1 (de) |
| GB (2) | GB2034682B (de) |
| IT (1) | IT1116813B (de) |
| ZA (1) | ZA79607B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3007486C2 (de) * | 1980-02-28 | 1983-08-04 | Ruhrchemie Ag, 4200 Oberhausen | Verfahren zur Erzeugung eines Stickstoffdüngers |
| FI98517C (fi) * | 1994-04-15 | 1997-07-10 | Kemira Agro Oy | Kastelulannoitukseen soveltuva suspensiolannoite ja menetelmä sen valmistamiseksi |
| FI98518C (fi) * | 1995-06-22 | 1997-07-10 | Kemira Agro Oy | Vesisuspensiolannoite |
| EP1094322A1 (de) * | 1999-10-21 | 2001-04-25 | Heinrich Kehlbeck | Messvorrichtung zur Messung der Intensität von schwacher elektromagnetischer Strahlung, Plasmafeldern, Ionenfeldern, Photonenfelder und/oder Elektrosmog |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE286491C (de) * | ||||
| DE530052C (de) * | 1927-08-04 | 1931-07-20 | Fritz Sander Dr Ing | Verfahren zur Herstellung von Harnstoffphosphat-Duengemitteln |
| US2814556A (en) * | 1953-03-06 | 1957-11-26 | Allied Chem & Dye Corp | Fertilizer comprising urea and ammonium hydrogen phosphates |
| US2770538A (en) * | 1954-08-11 | 1956-11-13 | Donald E Vierling | Liquid fertilizers |
| US2881066A (en) * | 1956-03-23 | 1959-04-07 | Southern Lumber Company | Process for producing nitrogenated and phosphorylated fertilizer, mulch and soil conditioner |
| US2869996A (en) * | 1956-10-02 | 1959-01-20 | Donald E Vierling | Liquid fertilizer |
| US3022153A (en) * | 1958-12-08 | 1962-02-20 | Robert C Miller | Method of preparing a stable liquid fertilizer from wet-process phosphoric acid |
| US3096168A (en) * | 1960-05-20 | 1963-07-02 | Allied Chem | Suspensions of ureaform in liquid mixed fertilizers |
| FR1335640A (fr) * | 1962-07-13 | 1963-08-23 | Soc Produits Azotes Sa | Engrais complexe soluble dans l'eau |
| DE1592690B2 (de) * | 1966-04-21 | 1976-12-23 | Kali-Chemie Ag, 3000 Hannover | Verfahren zur herstellung von alkaligluehphosphatduengemitteln |
| GB1149924A (en) * | 1966-11-02 | 1969-04-23 | Power Gas Ltd | Improvements in or relating to the production of urea phosphate |
| US3640698A (en) * | 1970-03-19 | 1972-02-08 | Union Oil Co | Fertilizer urea solutions containing micronutrients |
| US3723086A (en) * | 1971-05-20 | 1973-03-27 | P Poynor | Process for producing ammonium phosphates and polyphosphates |
| IL42624A (en) * | 1973-06-29 | 1976-02-29 | Chem & Phosphates Ltd | A process for the manufacture of crystalline urea phosphate |
| US4175943A (en) * | 1973-12-19 | 1979-11-27 | Triomf Fertilizers | Water-soluble fertilizers |
| US3918952A (en) * | 1974-03-15 | 1975-11-11 | I C Johnson & Son Inc | High analysis clear lawn fertilizer solution |
| IL46307A (en) * | 1974-12-20 | 1977-12-30 | Chem & Phosphates Ltd | Method for preventing creasing in citrus fruit |
| FR2299294A1 (fr) * | 1975-01-28 | 1976-08-27 | Triomf Fertilizer Ltd | Composition solide d'engrais mixte soluble dans l'eau et son procede de fabrication |
| US4116664A (en) * | 1976-11-04 | 1978-09-26 | Jones Leon R | Fertilizer composition and method of making same |
-
1979
- 1979-01-03 GB GB7900196A patent/GB2034682B/en not_active Expired
- 1979-01-17 GB GB7901683A patent/GB2013167B/en not_active Expired
- 1979-01-24 AU AU43627/79A patent/AU523286B2/en not_active Expired
- 1979-01-24 DE DE19792902651 patent/DE2902651A1/de not_active Withdrawn
- 1979-02-12 ZA ZA79607A patent/ZA79607B/xx unknown
- 1979-02-22 CA CA000322156A patent/CA1118225A/en not_active Expired
- 1979-03-21 BR BR7901753A patent/BR7901753A/pt unknown
- 1979-03-29 FR FR7907922A patent/FR2440346B1/fr not_active Expired
- 1979-05-04 IT IT48941/79A patent/IT1116813B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| AU523286B2 (en) | 1982-07-22 |
| IT1116813B (it) | 1986-02-10 |
| IT7948941A0 (it) | 1979-05-04 |
| GB2013167A (en) | 1979-08-08 |
| FR2440346A1 (fr) | 1980-05-30 |
| GB2034682B (en) | 1983-06-15 |
| DE2902651A1 (de) | 1980-05-14 |
| ZA79607B (en) | 1980-06-25 |
| FR2440346B1 (fr) | 1985-06-14 |
| GB2013167B (en) | 1982-11-10 |
| GB2034682A (en) | 1980-06-11 |
| BR7901753A (pt) | 1980-10-07 |
| AU4362779A (en) | 1980-05-08 |
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