IE46841B1 - Improvements in or relating to urea granulation - Google Patents

Improvements in or relating to urea granulation

Info

Publication number
IE46841B1
IE46841B1 IE991/78A IE99178A IE46841B1 IE 46841 B1 IE46841 B1 IE 46841B1 IE 991/78 A IE991/78 A IE 991/78A IE 99178 A IE99178 A IE 99178A IE 46841 B1 IE46841 B1 IE 46841B1
Authority
IE
Ireland
Prior art keywords
urea
granules
process according
weight
formaldehyde
Prior art date
Application number
IE991/78A
Other languages
English (en)
Other versions
IE780991L (en
Inventor
Anton Sledderlo Bij Genk Be Niks
Willy Henry Prudent Van Assenede Be Hijfte
Rafael Arsene Jozef Ertvelde Be Goethals
Original Assignee
Azote Sa Cie Neerlandaise
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
Priority claimed from GB24160/77A external-priority patent/GB1581761A/en
Application filed by Azote Sa Cie Neerlandaise filed Critical Azote Sa Cie Neerlandaise
Publication of IE780991L publication Critical patent/IE780991L/xx
Publication of IE46841B1 publication Critical patent/IE46841B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/005—Post-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/16—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Glanulating (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
IE991/78A 1977-06-09 1978-05-17 Improvements in or relating to urea granulation IE46841B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB24160/77A GB1581761A (en) 1977-06-09 1977-06-09 Urea granulation
GB1552978 1978-04-19

Publications (2)

Publication Number Publication Date
IE780991L IE780991L (en) 1978-12-09
IE46841B1 true IE46841B1 (en) 1983-10-05

Family

ID=26251359

Family Applications (1)

Application Number Title Priority Date Filing Date
IE991/78A IE46841B1 (en) 1977-06-09 1978-05-17 Improvements in or relating to urea granulation

Country Status (15)

Country Link
JP (1) JPS5416427A (it)
AT (1) AT363954B (it)
CA (1) CA1101641A (it)
DE (1) DE2825039C3 (it)
ES (1) ES470676A1 (it)
FI (1) FI65713C (it)
FR (1) FR2393779A1 (it)
GR (1) GR66015B (it)
IE (1) IE46841B1 (it)
IT (1) IT1096385B (it)
MX (1) MX5671E (it)
NL (1) NL173714C (it)
NO (1) NO151786C (it)
PT (1) PT68149A (it)
SE (1) SE432362B (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7264746B2 (en) 2002-10-18 2007-09-04 Basic Solutions Limited Urea based granule blend for ice-melting and reducing granule caking

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5855807B2 (ja) * 1979-10-08 1983-12-12 三井東圧化学株式会社 造粒方法
JPS5921650B2 (ja) * 1979-11-29 1984-05-21 東洋エンジニアリング株式会社 造粒方法
JPS56100756A (en) * 1980-01-16 1981-08-12 Chisso Corp Granulation of urea
NL191557C (nl) * 1980-05-12 1995-09-19 Azote Sa Cie Neerlandaise Werkwijze voor het vervaardigen van uit een kern en een omhulling opgebouwde korrels.
NL8502838A (nl) * 1985-10-17 1987-05-18 Azote Sa Cie Neerlandaise Werkwijze ter vervaardiging van ureum en ammoniumsulfaat bevattende meststofkorrels.
NL8700913A (nl) * 1987-04-16 1988-11-16 Nl Stikstof Werkwijze voor het vervaardigen van kunstmestgranules.
DE4000572C1 (it) * 1990-01-10 1991-02-21 Herbert 7853 Steinen De Huettlin
GB2248219B (en) * 1990-09-07 1994-06-01 Daifuku Kk Truck having vertically movable goods-receiving portion field of the invention
JP3667418B2 (ja) * 1996-02-01 2005-07-06 東洋エンジニアリング株式会社 粒状尿素の製造方法
NL1002862C2 (nl) * 1996-04-15 1997-10-17 Dsm Nv Werkwijze voor het bereiden van granules.
NO312712B1 (no) * 1999-12-15 2002-06-24 Norsk Hydro As En sorterende fluid bed granulator samt fremgangsmåte for fluid bed granulering
JP2002037689A (ja) * 2000-07-24 2002-02-06 Chisso Corp 被覆粒状肥料
NL1017130C2 (nl) 2001-01-17 2002-07-18 Dsm Nv Werkwijze voor het bereiden van granules.
JP4401669B2 (ja) * 2003-03-27 2010-01-20 三菱ふそうトラック・バス株式会社 還元脱硝用尿素水およびそれを用いた脱硝装置
DE10346519A1 (de) * 2003-10-02 2005-05-04 Uhde Gmbh Verfahren zur Entfernung von Ammoniak und Staub aus einem Abgas, das bei der Herstellung von Düngemitteln anfällt
DE102004005907B4 (de) * 2004-02-05 2006-01-05 Uhde Gmbh Anlage zur Herstellung von biuretarmem harnstoffhaltigem Düngemittelgranulat
NL1025805C2 (nl) * 2004-03-25 2005-09-27 Dsm Ip Assets Bv Werkwijze voor de granulatie van ureum.
JP4852270B2 (ja) * 2005-07-13 2012-01-11 東洋エンジニアリング株式会社 顆粒尿素製品の製造方法
DE102005037750A1 (de) * 2005-08-10 2007-02-22 Glatt Ingenieurtechnik Gmbh Verfahren zur Herstellung von Harnstoffpellets
JP4455643B2 (ja) 2007-10-30 2010-04-21 東洋エンジニアリング株式会社 造粒装置及びそれを用いる造粒方法
EP2305371A1 (en) * 2009-09-10 2011-04-06 Stamicarbon B.V. Process for producing granules
JP2012046381A (ja) * 2010-08-27 2012-03-08 Sumitomo Chemical Co Ltd 樹脂被覆粒状肥料の製造方法
GEP20166499B (en) * 2011-10-14 2016-06-27 Stamicarbon Method for urea final processing
CN109415662A (zh) * 2016-06-20 2019-03-01 巴斯夫欧洲公司 粉末和颗粒以及制备该粉末和颗粒的方法
WO2018011327A1 (de) * 2016-07-15 2018-01-18 Thyssenkrupp Fertilizer Technology Gmbh Verwendung einer harnstoffzusammensetzung zur herstellung von diesel exhaust fluid (aus 32)
JP7201708B2 (ja) * 2018-05-08 2023-01-10 ティッセンクルップ フェルティリツァー テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング 流動層造粒プラントのための内部冷却システム
DE102019118702A1 (de) 2019-07-10 2021-01-14 Thyssenkrupp Ag Reduzierung der biuretgeneration in der harnstoffproduktion

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1123488A (fr) * 1954-05-05 1956-09-21 Ici Ltd Fabrication d'urée à l'état granulé
CH431576A (de) * 1964-01-07 1967-03-15 Inventa Ag Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln
NL149089B (nl) * 1965-12-27 1976-04-15 Chemical & Ind Corp Werkwijze en inrichting voor het bereiden van stevige, harde meststofkorrels van ammoniumnitraat of ureum.
NL147404C (it) * 1970-08-06 1975-05-15
NL7114771A (it) * 1971-10-27 1973-05-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7264746B2 (en) 2002-10-18 2007-09-04 Basic Solutions Limited Urea based granule blend for ice-melting and reducing granule caking

Also Published As

Publication number Publication date
DE2825039B2 (de) 1981-01-08
IT7824325A0 (it) 1978-06-08
NL7806213A (nl) 1978-12-12
MX5671E (es) 1983-12-08
GR66015B (it) 1981-01-13
FR2393779B1 (it) 1982-12-10
DE2825039C3 (de) 1987-04-16
FR2393779A1 (fr) 1979-01-05
JPS5416427A (en) 1979-02-07
FI65713C (fi) 1984-07-10
FI781699A7 (fi) 1978-12-10
AT363954B (de) 1981-09-10
IT1096385B (it) 1985-08-26
PT68149A (en) 1978-07-01
NO781952L (no) 1978-12-12
DE2825039A1 (de) 1978-12-21
NL173714C (nl) 1984-03-01
CA1101641A (en) 1981-05-26
NO151786C (no) 1985-06-05
JPS5647181B2 (it) 1981-11-07
IE780991L (en) 1978-12-09
ES470676A1 (es) 1979-02-16
SE7806601L (sv) 1978-12-10
FI65713B (fi) 1984-03-30
NO151786B (no) 1985-02-25
ATA356078A (de) 1981-02-15
SE432362B (sv) 1984-04-02

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Legal Events

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MK9A Patent expired