DE69520486T2 - Verfahren zur herstellung von schwefelbeschichteten harnstoffdüngemitteln mit langsamer abgabe - Google Patents

Verfahren zur herstellung von schwefelbeschichteten harnstoffdüngemitteln mit langsamer abgabe

Info

Publication number
DE69520486T2
DE69520486T2 DE69520486T DE69520486T DE69520486T2 DE 69520486 T2 DE69520486 T2 DE 69520486T2 DE 69520486 T DE69520486 T DE 69520486T DE 69520486 T DE69520486 T DE 69520486T DE 69520486 T2 DE69520486 T2 DE 69520486T2
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
DE69520486D1 (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
Application granted granted Critical
Publication of DE69520486D1 publication Critical patent/DE69520486D1/de
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 DE69520486D1 (de) 2001-05-03
DE69520486T2 true 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
US6165550A (en) * 1998-07-23 2000-12-26 Bayer Corporation Symmetrical Polyurea-urethane fertilizer encapsulation
US6001147A (en) * 1998-07-23 1999-12-14 Bayer Corporation Unsymmetrical polyureaurethane 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
EP2248790A1 (de) 2000-05-17 2010-11-10 The Mosaic Company Schwefel-enthaltende Düngemittelzusammensetzung und Verfahren zur Herstellung derselben
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
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
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
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
CA2817737C (en) 2010-11-10 2018-11-27 Romem Avdala Controlled release fertilizers made from cross-linked glyceride mixtures
WO2012064705A1 (en) 2010-11-10 2012-05-18 Agrium Advanced Technologies Cross-linked modified waxes for controlled release fertilizers
EP2637990B1 (de) 2010-11-10 2021-05-26 Agrium U.S. Inc. Vernetzte polyolbeschichtete dünger mit kontrollierter freisetzung und verfahren zur herstellung
US8329072B2 (en) 2010-11-24 2012-12-11 Brimrock International Inc. Method and system for generating sulfur seeds and granules
EP2718340B1 (de) 2011-06-13 2017-08-09 Invista Technologies S.à.r.l. Aliphatische polyesterpolyole aus cyclohexan-oxidationsnebenproduktströmen als vorläufer für polyurethan- und polyisocyanuratpolymere
US9090518B2 (en) 2011-08-26 2015-07-28 Ekompany Agro B.V. Process for producing a coated fertilizer comprising boron
WO2013030118A1 (en) 2011-08-26 2013-03-07 Ekompany Agro B.V. Process for producing a coated fertilizer
AR089194A1 (es) 2011-12-12 2014-08-06 Koch Agronomic Services Llc Fertilizantes granulados basados en urea reacondicionados y metodos para su preparacion
KR20150013300A (ko) 2012-05-18 2015-02-04 바스프 에스이 분진 억제 응집체
CN104394977B (zh) 2012-05-18 2017-03-22 巴斯夫欧洲公司 包封颗粒
US8986581B2 (en) 2012-07-27 2015-03-24 Carbron Basis Company Ltd. Biochar products and method of manufacture thereof
WO2014078642A1 (en) 2012-11-16 2014-05-22 Basf Se An encapsulated fertilizer particle containing pesticide
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
CA2928871C (en) 2013-11-12 2020-11-24 Nous, Llc System for coating granular materials
WO2016012925A1 (en) * 2014-07-20 2016-01-28 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
EP3212592A1 (de) 2014-10-31 2017-09-06 Koch Agronomic Services, LLC Nitrifikationshemmerzusammensetzungen und verfahren zur herstellung davon
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
EP3359617A4 (de) 2015-10-08 2019-08-14 The Carbon Basis Company Ltd. Biokohleprodukte und verfahren zur herstellung davon
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
US10563089B2 (en) * 2016-10-05 2020-02-18 Nous, Llc System for coatings for granular materials
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
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR960705758A (ko) 1996-11-08
EP0730565B9 (de) 2002-05-08
AU688602B2 (en) 1998-03-12
GR3036059T3 (en) 2001-09-28
PT730565E (pt) 2001-07-31
DE69520486D1 (de) 2001-05-03
EP0730565B1 (de) 2001-03-28
NZ294141A (en) 1999-03-29
CN1072196C (zh) 2001-10-03
JPH10513144A (ja) 1998-12-15
ES2157347T3 (es) 2001-08-16
DK0730565T3 (da) 2001-07-16
KR100381995B1 (ko) 2003-07-18
WO1996009267A1 (en) 1996-03-28
NO962090L (no) 1996-06-21
NO962090D0 (no) 1996-05-22
US5599374A (en) 1997-02-04
MX9601630A (es) 1997-05-31
EP0730565A1 (de) 1996-09-11
CN1135745A (zh) 1996-11-13
ATE200071T1 (de) 2001-04-15
EP0730565A4 (de) 1998-01-07
NO316510B1 (no) 2004-02-02
JP3006774B2 (ja) 2000-02-07
AU3681195A (en) 1996-04-09

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