DE69520486D1 - Verfahren zur herstellung von schwefelbeschichteten harnstoffdüngemitteln mit langsamer abgabe - Google Patents

Verfahren zur herstellung von schwefelbeschichteten harnstoffdüngemitteln mit langsamer abgabe

Info

Publication number
DE69520486D1
DE69520486D1 DE69520486T DE69520486T DE69520486D1 DE 69520486 D1 DE69520486 D1 DE 69520486D1 DE 69520486 T DE69520486 T DE 69520486T DE 69520486 T DE69520486 T DE 69520486T DE 69520486 D1 DE69520486 D1 DE 69520486D1
Authority
DE
Germany
Prior art keywords
sulfur
coated urea
producing sulfur
slow delivery
urea fertilizers
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
Application number
DE69520486T
Other languages
English (en)
Other versions
DE69520486T2 (de
Inventor
John H Detrick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RLC Technologies LLC
Original Assignee
RLC Technologies LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by RLC Technologies LLC filed Critical RLC Technologies LLC
Publication of DE69520486D1 publication Critical patent/DE69520486D1/de
Application granted granted Critical
Publication of DE69520486T2 publication Critical patent/DE69520486T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Fertilizers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
DE69520486T 1994-09-23 1995-09-22 Verfahren zur herstellung von schwefelbeschichteten harnstoffdüngemitteln mit langsamer abgabe Expired - Lifetime DE69520486T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/311,672 US5599374A (en) 1994-09-23 1994-09-23 Process for producing improved sulfur-coated urea slow release fertilizers
PCT/US1995/012060 WO1996009267A1 (en) 1994-09-23 1995-09-22 Process for producing improved sulfur-coated urea slow release fertilizers

Publications (2)

Publication Number Publication Date
DE69520486D1 true DE69520486D1 (de) 2001-05-03
DE69520486T2 DE69520486T2 (de) 2001-08-09

Family

ID=23207948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69520486T Expired - Lifetime DE69520486T2 (de) 1994-09-23 1995-09-22 Verfahren zur herstellung von schwefelbeschichteten harnstoffdüngemitteln mit langsamer abgabe

Country Status (16)

Country Link
US (1) US5599374A (de)
EP (1) EP0730565B9 (de)
JP (1) JP3006774B2 (de)
KR (1) KR100381995B1 (de)
CN (1) CN1072196C (de)
AT (1) ATE200071T1 (de)
AU (1) AU688602B2 (de)
DE (1) DE69520486T2 (de)
DK (1) DK0730565T3 (de)
ES (1) ES2157347T3 (de)
GR (1) GR3036059T3 (de)
MX (1) MX9601630A (de)
NO (1) NO316510B1 (de)
NZ (1) NZ294141A (de)
PT (1) PT730565E (de)
WO (1) WO1996009267A1 (de)

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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
US5984994A (en) * 1998-01-16 1999-11-16 Hudson; Alice P. Sulfur coated fertilizers with improved abrasion resistance
US6001147A (en) * 1998-07-23 1999-12-14 Bayer Corporation Unsymmetrical polyureaurethane fertilizer encapsulation
US6165550A (en) * 1998-07-23 2000-12-26 Bayer Corporation Symmetrical Polyurea-urethane fertilizer encapsulation
US6152981A (en) * 1998-07-23 2000-11-28 Bayer Corporation Sulfur containing isocyanate compositions
US6338746B1 (en) * 1999-07-23 2002-01-15 Rlc Technologies, L.L.C. Polymer-sulfur-polymer coated fertilizers
US6364925B1 (en) 1999-12-10 2002-04-02 Bayer Corporation Polyurethane encapsulated fertilizer having improved slow-release properties
CA2300237A1 (en) * 2000-03-09 2001-09-09 Mikhail Pildysh A coated substrate having controlled release properties and a method for the production thereof
BR0117303B1 (pt) 2000-05-17 2012-05-29 processos de preparação de uma composição fertilizante compreendendo uma pluralidade de partìculas e de liberação de enxofre para o solo.
US6358296B1 (en) 2000-07-11 2002-03-19 Bayer Corporation Slow-release polyurethane encapsulated fertilizer using oleo polyols
NZ511606A (en) * 2001-05-09 2002-11-26 Summit Quinphos Nz Ltd Fertiliser compositions comprising urea granules coated with wet ground sulphur
US6617412B2 (en) 2001-10-12 2003-09-09 Bayer Corporation Fertilizer encapsulation using sulfur containing polyols
US6787234B2 (en) 2002-05-15 2004-09-07 Oms Investments, Inc. Triggered start products and processes for the production and use thereof
RO121734B1 (ro) * 2002-06-17 2008-03-28 Norsk Hydro Asa Îngrăşământ pe bază de uree şi sulf elementar, şi procedeu de obţinere a acestuia
US7416785B2 (en) * 2004-05-26 2008-08-26 Basf Corporation Polyurethane-encapsulated particle comprising polyol derived from aromatic amine-based initiator
US7494525B2 (en) * 2005-02-22 2009-02-24 Tessenderlo Kerley, Inc. Calcium polysulfide, potassium polysulfide, calcium thiosulfate, and magnesium thiosulfate as urease inhibitors
CN100540512C (zh) * 2005-08-26 2009-09-16 南京理工大学 环保复合包膜型缓释肥料
CN100475749C (zh) * 2005-08-26 2009-04-08 南京理工大学 含硫混合物膜层的涂覆方法
CN100369871C (zh) * 2005-12-08 2008-02-20 华南农业大学 一种肥料的包膜组合物与使用这种组合物生产包膜肥料的方法与所得到的包膜肥料
CN101100405B (zh) * 2006-07-06 2011-12-07 南京理工大学 含硫包膜型缓释化肥
US7834269B2 (en) * 2006-08-31 2010-11-16 Niles Martin S Protection of electrical power transmission systems
US7862642B2 (en) * 2006-12-14 2011-01-04 Georgia-Pacific Chemicals Llc Extended-release urea-based granular fertilizer
WO2008098409A1 (fr) * 2007-02-12 2008-08-21 Nanjing University Of Science And Technology Procédé d'enrobage d'un film composite contenant du soufre
US7771505B2 (en) * 2008-07-16 2010-08-10 Agrium Inc. Controlled release fertilizer composition
MY181825A (en) 2010-11-10 2021-01-08 Agrium U S Inc Cross-linked polyols for controlled release fertilizers
WO2012064705A1 (en) 2010-11-10 2012-05-18 Agrium Advanced Technologies Cross-linked modified waxes for controlled release fertilizers
CN103314036B (zh) 2010-11-10 2015-08-12 安格瑞沐先进技术（美国）公司 由交联甘油酯混合物制备的控释肥料
US8329072B2 (en) 2010-11-24 2012-12-11 Brimrock International Inc. Method and system for generating sulfur seeds and granules
PL2718340T3 (pl) 2011-06-13 2017-12-29 Invista Technologies S.À.R.L. Alifatyczne poliole poliestrowe ze strumieni produktu ubocznego utleniania cykloheksanu jako prekursory dla polimerów poliuretanowych i poliizocyjanuratowych
WO2013030127A1 (en) 2011-08-26 2013-03-07 Ekompany Agro B.V. Process for producing a coated fertilizer comprising boron
ES2637663T3 (es) 2011-08-26 2017-10-16 Ekompany International B.V. Proceso para la producción de un fertilizante recubierto
WO2013090287A1 (en) 2011-12-12 2013-06-20 Koch Agronomic Services, Llc Conditioned urea-based granular fertilizers and methods of making thereof
JP2015528025A (ja) 2012-05-18 2015-09-24 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 粉塵抑制凝集体
MY170274A (en) 2012-05-18 2019-07-16 Basf Se Encapsulated particle
US8986581B2 (en) 2012-07-27 2015-03-24 Carbron Basis Company Ltd. Biochar products and method of manufacture thereof
CN104853606A (zh) 2012-11-16 2015-08-19 巴斯夫欧洲公司 包含杀虫剂的包封肥料颗粒
US9321699B2 (en) * 2012-11-21 2016-04-26 The Mosaic Company Granular fertilizers having improved dust control
US9174885B2 (en) 2013-03-15 2015-11-03 University Of Kentucky Research Foundation Nitrogen fertilizer composition and method to improve detection and lessen the explosive potential of nitrogen-based fertilizers
CA3096074C (en) 2013-11-12 2022-11-22 Nous, Llc System for coating granular materials
US10330654B2 (en) * 2014-07-20 2019-06-25 Sabic Global Technologies B.V. Methods for determining low sulfate concentrations in synthetic urea samples, produced in a manufacturing process and containing high levels of impurities
US10501383B2 (en) 2014-10-31 2019-12-10 Koch Agronomic Services, Llc Nitrification inhibitor compositions and methods of making thereof
MA42900A (fr) 2015-07-07 2018-05-16 Yara Int Asa Procédé de fabrication de matériau particulaire à base d'urée contenant du soufre élémentaire
CN105001023B (zh) * 2015-07-14 2018-01-16 吉林云天化农业发展有限公司 硫酸脲包膜尿素缓释颗粒肥及其制备方法
WO2017059536A1 (en) 2015-10-08 2017-04-13 The Carbon Basis Company Ltd. Biochar products and method of manufacture thereof
US10273194B2 (en) 2016-07-04 2019-04-30 Gary David McKnight Process to conserve cyano-function and improve performance of low molecular weight nitrification inhibitors to improve fertilizer efficiency
CN109843833A (zh) * 2016-10-05 2019-06-04 努斯有限责任公司 用于粒状材料的包覆物的系统
JOP20190274A1 (ar) 2017-05-23 2019-11-24 Mosaic Co حبيبات أسمدة متضخمة تحتوي على الكبريت المعدني مع زيادة معدلات الأكسدة
CN108424267A (zh) * 2018-05-22 2018-08-21 苏州硒谷科技有限公司 一种淀粉改性聚氨酯包膜缓释硒肥及其制备方法
MX2022003991A (es) 2019-10-03 2022-06-16 Carbo Ceramics Inc Particulas de compuesto nucleo-cubierta y metodos para hacerlas.
CN211005182U (zh) * 2019-11-27 2020-07-14 湖北富邦科技股份有限公司 一种用于颗粒肥料外包喷涂液体硫磺的装置
EP4365155A1 (de) 2022-11-07 2024-05-08 Fertilizantes Gombau, S.L. Düngemittelzusammensetzungen auf harnstoffbasis mit schwefel sowie verfahren und system dafür

Family Cites Families (4)

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JPS5238361A (en) * 1975-09-22 1977-03-24 Ube Industries Slowly available coated granular fertilizer
US4969947A (en) * 1988-04-12 1990-11-13 Melamine Chemicals, Inc. One-step method of coating nutrient particles
US5219465A (en) * 1991-03-08 1993-06-15 The O.M. Scott & Sons Company Sulfur coated fertilizers and process for the preparation thereof
DE4127459A1 (de) * 1991-08-20 1993-02-25 Aglukon Spezialduenger Gmbh Verfahren zur herstellung von membranumhuellten duengemittelgranulaten

Also Published As

Publication number Publication date
JP3006774B2 (ja) 2000-02-07
NO962090D0 (no) 1996-05-22
ES2157347T3 (es) 2001-08-16
NO316510B1 (no) 2004-02-02
EP0730565B9 (de) 2002-05-08
AU3681195A (en) 1996-04-09
DK0730565T3 (da) 2001-07-16
KR100381995B1 (ko) 2003-07-18
KR960705758A (ko) 1996-11-08
CN1072196C (zh) 2001-10-03
PT730565E (pt) 2001-07-31
AU688602B2 (en) 1998-03-12
GR3036059T3 (en) 2001-09-28
NO962090L (no) 1996-06-21
US5599374A (en) 1997-02-04
DE69520486T2 (de) 2001-08-09
EP0730565B1 (de) 2001-03-28
WO1996009267A1 (en) 1996-03-28
MX9601630A (es) 1997-05-31
EP0730565A1 (de) 1996-09-11
CN1135745A (zh) 1996-11-13
EP0730565A4 (de) 1998-01-07
JPH10513144A (ja) 1998-12-15
NZ294141A (en) 1999-03-29
ATE200071T1 (de) 2001-04-15

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