SE432362B - Forfarande for framstellning av ureagranuler - Google Patents

Forfarande for framstellning av ureagranuler

Info

Publication number
SE432362B
SE432362B SE7806601A SE7806601A SE432362B SE 432362 B SE432362 B SE 432362B SE 7806601 A SE7806601 A SE 7806601A SE 7806601 A SE7806601 A SE 7806601A SE 432362 B SE432362 B SE 432362B
Authority
SE
Sweden
Prior art keywords
urea
granules
solution
formaldehyde
sprayed
Prior art date
Application number
SE7806601A
Other languages
English (en)
Swedish (sv)
Other versions
SE7806601L (sv
Inventor
A Niks
Hijfte W H P Van
R A J 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 SE7806601L publication Critical patent/SE7806601L/xx
Publication of SE432362B publication Critical patent/SE432362B/sv

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)
  • Manufacturing Of Micro-Capsules (AREA)
  • Glanulating (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
SE7806601A 1977-06-09 1978-06-06 Forfarande for framstellning av ureagranuler SE432362B (sv)

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
SE7806601L SE7806601L (sv) 1978-12-10
SE432362B true SE432362B (sv) 1984-04-02

Family

ID=26251359

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7806601A SE432362B (sv) 1977-06-09 1978-06-06 Forfarande for framstellning av ureagranuler

Country Status (15)

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

Families Citing this family (28)

* 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 (fr) * 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.
GB2394956B (en) 2002-10-18 2004-10-27 Basic Solutions Ltd A urea based granule blend for ice-melting and reducing granule caking
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 (fr) * 2009-09-10 2011-04-06 Stamicarbon B.V. Procédé de production de granulés
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
EP2766341B1 (fr) * 2011-10-14 2018-07-04 Stamicarbon B.V. Procédé de finition de l'urée
BR112018075476B1 (pt) * 2016-06-20 2022-10-04 Basf Se Processo para produção de um pó ou grânulo, pó ou grânulo, e, uso de grânulos e de pós
ES2805071T3 (es) * 2016-07-15 2021-02-10 Thyssenkrupp Fertilizer Tech Gmbh Uso de una composición de urea para la preparación de fluido de escape diésel
WO2019215193A1 (fr) * 2018-05-08 2019-11-14 Thyssenkrupp Fertilizer Technology Gmbh Système de refroidissement interne pour installations de granulation à lit fluidisé
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 (fr) * 1970-08-06 1975-05-15
NL7114771A (fr) * 1971-10-27 1973-05-02

Also Published As

Publication number Publication date
PT68149A (en) 1978-07-01
ATA356078A (de) 1981-02-15
NL173714C (nl) 1984-03-01
NL7806213A (nl) 1978-12-12
IT7824325A0 (it) 1978-06-08
FI65713B (fi) 1984-03-30
GR66015B (fr) 1981-01-13
FI65713C (fi) 1984-07-10
AT363954B (de) 1981-09-10
FI781699A (fi) 1978-12-10
NO781952L (no) 1978-12-12
NO151786C (no) 1985-06-05
DE2825039C3 (de) 1987-04-16
NO151786B (no) 1985-02-25
JPS5647181B2 (fr) 1981-11-07
DE2825039A1 (de) 1978-12-21
IE780991L (en) 1978-12-09
IT1096385B (it) 1985-08-26
IE46841B1 (en) 1983-10-05
SE7806601L (sv) 1978-12-10
FR2393779A1 (fr) 1979-01-05
FR2393779B1 (fr) 1982-12-10
DE2825039B2 (de) 1981-01-08
ES470676A1 (es) 1979-02-16
CA1101641A (fr) 1981-05-26
JPS5416427A (en) 1979-02-07
MX5671E (es) 1983-12-08

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