CA2115998C - Process for the manufacture of membrane-covered fertilizer granules - Google Patents
Process for the manufacture of membrane-covered fertilizer granules Download PDFInfo
- Publication number
- CA2115998C CA2115998C CA002115998A CA2115998A CA2115998C CA 2115998 C CA2115998 C CA 2115998C CA 002115998 A CA002115998 A CA 002115998A CA 2115998 A CA2115998 A CA 2115998A CA 2115998 C CA2115998 C CA 2115998C
- Authority
- CA
- Canada
- Prior art keywords
- coating
- membrane
- granules
- release
- amine
- 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 - Lifetime
Links
- 239000008187 granular material Substances 0.000 title claims abstract description 36
- 239000003337 fertilizer Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000008569 process Effects 0.000 title claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 5
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 4
- 229920005862 polyol Polymers 0.000 claims abstract description 4
- 150000003077 polyols Chemical class 0.000 claims abstract description 4
- 150000001412 amines Chemical class 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 abstract description 34
- 239000011248 coating agent Substances 0.000 abstract description 29
- 150000001875 compounds Chemical class 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 229910052700 potassium Inorganic materials 0.000 abstract description 2
- 239000011591 potassium Substances 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 description 19
- 235000015097 nutrients Nutrition 0.000 description 18
- 239000002245 particle Substances 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000009826 distribution Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 238000005273 aeration Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007931 coated granule Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VMOWKUTXPNPTEN-UHFFFAOYSA-N n,n-dimethylpropan-2-amine Chemical compound CC(C)N(C)C VMOWKUTXPNPTEN-UHFFFAOYSA-N 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000002477 conductometry Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000007704 transition Effects 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
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
- C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4127459.8 | 1991-08-20 | ||
| DE4127459A DE4127459A1 (de) | 1991-08-20 | 1991-08-20 | Verfahren zur herstellung von membranumhuellten duengemittelgranulaten |
| PCT/DE1992/000697 WO1993004017A1 (de) | 1991-08-20 | 1992-08-18 | Verfahren zur herstellung von membranumhüllten düngemittelgranulaten |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2115998A1 CA2115998A1 (en) | 1993-03-04 |
| CA2115998C true CA2115998C (en) | 2003-07-29 |
Family
ID=6438646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002115998A Expired - Lifetime CA2115998C (en) | 1991-08-20 | 1992-08-18 | Process for the manufacture of membrane-covered fertilizer granules |
Country Status (19)
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE153326T1 (de) * | 1991-02-14 | 1997-06-15 | Oms Investments Inc | Verschleissfeste überzüge für dünger |
| JP3291077B2 (ja) * | 1993-07-21 | 2002-06-10 | 旭化成株式会社 | 分解速度の異なる被膜材よりなる多層被覆粒状肥料 |
| US5599374A (en) * | 1994-09-23 | 1997-02-04 | Rlc Technologies, L.L.C. | Process for producing improved sulfur-coated urea slow release fertilizers |
| GB9504875D0 (en) * | 1995-03-10 | 1995-04-26 | Sherritt Inc | A polymerically coated fertilizer |
| JPH09202683A (ja) * | 1996-01-23 | 1997-08-05 | Sumitomo Chem Co Ltd | 被覆肥料の製造方法 |
| TW349082B (en) * | 1996-02-08 | 1999-01-01 | Sumitomo Chemical Co | Coated fertilizer |
| US6503288B1 (en) * | 1996-12-30 | 2003-01-07 | Bayer Corporation | Process for the production of biodegradable encapsulated fertilizers |
| MY120571A (en) | 1998-05-22 | 2005-11-30 | Sumitomo Chemical Co | Granular coated fertilizer and method for producing the same |
| US6841515B2 (en) * | 2001-01-22 | 2005-01-11 | Unified Enviromental Services Group, L.L.C. | Production and use of biosolid granules |
| US8105413B2 (en) | 2005-02-23 | 2012-01-31 | Vitag Corporation | Manufacturing of bioorganic-augmented high nitrogen-containing inorganic fertilizer |
| US8192519B2 (en) | 2005-03-09 | 2012-06-05 | Vitag Corporation | Beneficiated, heat-dried biosolid pellets |
| AU2006292505B2 (en) | 2005-09-15 | 2011-09-22 | Profile Products Llc | Organic containing sludge to fertilizer alkaline conversion process |
| US9695092B2 (en) | 2006-02-23 | 2017-07-04 | Anuvia Plant Nutrients Corporation | Process for treating sludge and manufacturing bioorganically-augmented high nitrogen-containing inorganic fertilizer |
| MX2009008761A (es) | 2007-02-16 | 2010-03-01 | Vitag Corp | Procedimiento para tratar fango y fabricacion de un fertilizante inorganico con alto contenido de nitrogeno bio-organicamente aumentado. |
| JP5760357B2 (ja) | 2009-10-06 | 2015-08-12 | セントラル硝子株式会社 | 被覆水溶性粒状体の製造方法 |
| EP2519484B1 (en) | 2009-12-30 | 2019-07-24 | Anuvia Plant Nutrients Holdings LLC | Bioorganically-augmented high value fertilizer |
| EP2672813B1 (en) | 2011-02-09 | 2020-08-19 | Everris International B.V. | Methods and systems for coating granular substrates |
| RU2013145625A (ru) | 2011-03-28 | 2015-05-10 | Витаг Холдингз Ллс | Высококачественные неорганические удобрения, обогащенные органическими веществами |
| US10870609B2 (en) | 2018-08-16 | 2020-12-22 | Anuvia Plant Nutrients Corporation | Reactive inorganic coatings for agricultural fertilizers |
| BR112021009417A2 (pt) | 2018-11-14 | 2021-08-17 | Anuvia Plant Nutrients Holdings Inc. | entrega de moléculas bioativas em revestimentos ou camadas superficiais de fertilizantes inorgânicos aprimorados organicamente |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3223518A (en) * | 1961-08-18 | 1965-12-14 | Archer Daniels Midland | Granular fertilizer having a plurality of coatings and the process of making |
| NL292143A (enrdf_load_stackoverflow) * | 1962-05-01 | |||
| US3264088A (en) * | 1965-12-08 | 1966-08-02 | Archer Daniels Midland Co | Slow release fertilizer granule having a plurality of epoxy resin coatings |
| US3264089A (en) * | 1965-12-10 | 1966-08-02 | Archer Daniels Midland Co | Slow release fertilizer granule having a plurality of urethane resin coatings |
| JPS603040B2 (ja) * | 1978-01-09 | 1985-01-25 | チツソ旭肥料株式会社 | 被覆肥料とその製造法 |
| DE3544451C1 (de) * | 1985-12-16 | 1987-01-15 | Ashland Suedchemie Kernfest | Verfahren zum Erzeugen einer wasserdurchlaessigen Umhuellung auf koernigen,wasserloeslichen Stoffen und seine Anwendung |
| US4711659A (en) * | 1986-08-18 | 1987-12-08 | Moore William P | Attrition resistant controlled release fertilizers |
| IL81311A (en) * | 1987-01-20 | 1990-11-29 | Haifa Chemicals Ltd | Method for the manufacture of slow release fertilizers |
-
1991
- 1991-08-20 DE DE4127459A patent/DE4127459A1/de active Granted
-
1992
- 1992-08-18 RU RU9294015604A patent/RU2091357C1/ru not_active IP Right Cessation
- 1992-08-18 AT AT92917606T patent/ATE154341T1/de active
- 1992-08-18 JP JP5504031A patent/JPH07500560A/ja active Pending
- 1992-08-18 ES ES92917606T patent/ES2104939T3/es not_active Expired - Lifetime
- 1992-08-18 CA CA002115998A patent/CA2115998C/en not_active Expired - Lifetime
- 1992-08-18 CZ CZ94367A patent/CZ282958B6/cs not_active IP Right Cessation
- 1992-08-18 DE DE59208613T patent/DE59208613D1/de not_active Expired - Lifetime
- 1992-08-18 WO PCT/DE1992/000697 patent/WO1993004017A1/de active IP Right Grant
- 1992-08-18 HU HU9400479A patent/HU218166B/hu not_active IP Right Cessation
- 1992-08-18 DK DK92917606.3T patent/DK0599927T3/da active
- 1992-08-18 AU AU24399/92A patent/AU652663B2/en not_active Ceased
- 1992-08-18 EP EP92917606A patent/EP0599927B1/de not_active Expired - Lifetime
- 1992-08-19 PT PT100787A patent/PT100787B/pt not_active IP Right Cessation
- 1992-08-19 NZ NZ244013A patent/NZ244013A/en not_active IP Right Cessation
- 1992-08-19 IL IL10286892A patent/IL102868A/en not_active IP Right Cessation
- 1992-08-20 ZA ZA926284A patent/ZA926284B/xx unknown
-
1994
- 1994-02-07 NO NO940386A patent/NO303908B1/no not_active IP Right Cessation
- 1994-02-18 FI FI940776A patent/FI114703B/fi not_active IP Right Cessation
-
1997
- 1997-07-22 GR GR970401834T patent/GR3024189T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CZ36794A3 (en) | 1994-07-13 |
| RU2091357C1 (ru) | 1997-09-27 |
| JPH07500560A (ja) | 1995-01-19 |
| AU2439992A (en) | 1993-03-16 |
| HUT70289A (en) | 1995-09-28 |
| GR3024189T3 (en) | 1997-10-31 |
| EP0599927A1 (de) | 1994-06-08 |
| IL102868A0 (en) | 1993-01-31 |
| EP0599927B1 (de) | 1997-06-11 |
| HU9400479D0 (en) | 1994-06-28 |
| CZ282958B6 (cs) | 1997-11-12 |
| DE4127459A1 (de) | 1993-02-25 |
| FI940776A0 (fi) | 1994-02-18 |
| HU218166B (hu) | 2000-06-28 |
| NO940386D0 (no) | 1994-02-07 |
| AU652663B2 (en) | 1994-09-01 |
| NO940386L (no) | 1994-02-07 |
| IL102868A (en) | 1995-10-31 |
| FI940776L (fi) | 1994-02-18 |
| DK0599927T3 (da) | 1997-12-29 |
| ATE154341T1 (de) | 1997-06-15 |
| NO303908B1 (no) | 1998-09-21 |
| ZA926284B (en) | 1993-05-18 |
| DE4127459C2 (enrdf_load_stackoverflow) | 1993-07-29 |
| NZ244013A (en) | 1995-02-24 |
| ES2104939T3 (es) | 1997-10-16 |
| WO1993004017A1 (de) | 1993-03-04 |
| RU94015604A (ru) | 1996-04-10 |
| FI114703B (fi) | 2004-12-15 |
| CA2115998A1 (en) | 1993-03-04 |
| DE59208613D1 (de) | 1997-07-17 |
| PT100787A (pt) | 1993-09-30 |
| PT100787B (pt) | 1999-07-30 |
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| CS251969B1 (cs) | Stabilně suspenzné dusíkaté hnojivo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed | ||
| MKEC | Expiry (correction) |
Effective date: 20121202 |