AT363954B - METHOD FOR THE PRODUCTION OF UREA GRAINS - Google Patents

METHOD FOR THE PRODUCTION OF UREA GRAINS

Info

Publication number
AT363954B
AT363954B AT0356078A AT356078A AT363954B AT 363954 B AT363954 B AT 363954B AT 0356078 A AT0356078 A AT 0356078A AT 356078 A AT356078 A AT 356078A AT 363954 B AT363954 B AT 363954B
Authority
AT
Austria
Prior art keywords
production
urea grains
grains
urea
Prior art date
Application number
AT0356078A
Other languages
German (de)
Other versions
ATA356078A (en
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 ATA356078A publication Critical patent/ATA356078A/en
Application granted granted Critical
Publication of AT363954B publication Critical patent/AT363954B/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)
  • Manufacturing Of Micro-Capsules (AREA)
  • Glanulating (AREA)
  • Medicinal Preparation (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
AT0356078A 1977-06-09 1978-05-17 METHOD FOR THE PRODUCTION OF UREA GRAINS AT363954B (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
ATA356078A ATA356078A (en) 1981-02-15
AT363954B true AT363954B (en) 1981-09-10

Family

ID=26251359

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0356078A AT363954B (en) 1977-06-09 1978-05-17 METHOD FOR THE PRODUCTION OF UREA GRAINS

Country Status (15)

Country Link
JP (1) JPS5416427A (en)
AT (1) AT363954B (en)
CA (1) CA1101641A (en)
DE (1) DE2825039B2 (en)
ES (1) ES470676A1 (en)
FI (1) FI65713C (en)
FR (1) FR2393779A1 (en)
GR (1) GR66015B (en)
IE (1) IE46841B1 (en)
IT (1) IT1096385B (en)
MX (1) MX5671E (en)
NL (1) NL173714C (en)
NO (1) NO151786C (en)
PT (1) PT68149A (en)
SE (1) SE432362B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5855807B2 (en) * 1979-10-08 1983-12-12 三井東圧化学株式会社 Granulation method
JPS5921650B2 (en) * 1979-11-29 1984-05-21 東洋エンジニアリング株式会社 Granulation method
JPS56100756A (en) * 1980-01-16 1981-08-12 Chisso Corp Granulation of urea
NL191557C (en) * 1980-05-12 1995-09-19 Azote Sa Cie Neerlandaise A method for manufacturing granules built up from a core and an envelope.
NL8502838A (en) * 1985-10-17 1987-05-18 Azote Sa Cie Neerlandaise METHOD FOR MANUFACTURING UREA AND AMMONIUM SULFATE CONTAINING FERTILIZER GRAINS.
NL8700913A (en) * 1987-04-16 1988-11-16 Nl Stikstof METHOD FOR MANUFACTURING FERTILIZER GRANULES
DE4000572C1 (en) * 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 (en) * 1996-02-01 2005-07-06 東洋エンジニアリング株式会社 Method for producing granular urea
NL1002862C2 (en) * 1996-04-15 1997-10-17 Dsm Nv Method for preparing granules.
NO312712B1 (en) * 1999-12-15 2002-06-24 Norsk Hydro As A sorting fluid bed granulator and method of fluid bed granulation
JP2002037689A (en) * 2000-07-24 2002-02-06 Chisso Corp Coated covering granular fertilizer
NL1017130C2 (en) * 2001-01-17 2002-07-18 Dsm Nv Process for preparing 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 (en) * 2003-03-27 2010-01-20 三菱ふそうトラック・バス株式会社 Urea water for reducing denitration and denitration apparatus using the same
DE10346519A1 (en) * 2003-10-02 2005-05-04 Uhde Gmbh Process for the removal of ammonia and dust from an exhaust gas resulting from the production of fertilizers
DE102004005907B4 (en) * 2004-02-05 2006-01-05 Uhde Gmbh Plant for the production of biuretarmem urea-containing fertilizer granules
NL1025805C2 (en) * 2004-03-25 2005-09-27 Dsm Ip Assets Bv Process for the granulation of urea.
JP4852270B2 (en) * 2005-07-13 2012-01-11 東洋エンジニアリング株式会社 Method for producing granular urea product
DE102005037750A1 (en) * 2005-08-10 2007-02-22 Glatt Ingenieurtechnik Gmbh Process for the production of urea pellets
JP4455643B2 (en) 2007-10-30 2010-04-21 東洋エンジニアリング株式会社 Granulating apparatus and granulating method using the same
EP2305371A1 (en) 2009-09-10 2011-04-06 Stamicarbon B.V. Process for producing granules
JP2012046381A (en) * 2010-08-27 2012-03-08 Sumitomo Chemical Co Ltd Method for producing resin-coated granular fertilizer
MY177074A (en) * 2011-10-14 2020-09-04 Stamicarbon Urea finishing method
WO2017220308A1 (en) * 2016-06-20 2017-12-28 Basf Se Powders and granules and process for making such powders and granules
AU2017297784B2 (en) * 2016-07-15 2020-02-20 Thyssenkrupp Ag Use of a urea composition to produce diesel exhaust fluid (AUS 32)
WO2019215193A1 (en) * 2018-05-08 2019-11-14 Thyssenkrupp Fertilizer Technology Gmbh Internal cooling system for fluid-bed granulation plants
DE102019118702A1 (en) 2019-07-10 2021-01-14 Thyssenkrupp Ag REDUCING BIURET GENERATION IN UREA PRODUCTION

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1123488A (en) * 1954-05-05 1956-09-21 Ici Ltd Production of urea in granulated form
CH431576A (en) * 1964-01-07 1967-03-15 Inventa Ag Process for granulating nitrogenous fertilizers
NL149089B (en) * 1965-12-27 1976-04-15 Chemical & Ind Corp METHOD AND DEVICE FOR PREPARING SOLID, HARD FERTILIZER PELLETS OF AMMONIUM NITRATE OR UREA.
NL147404C (en) * 1970-08-06 1975-05-15
NL7114771A (en) * 1971-10-27 1973-05-02

Also Published As

Publication number Publication date
DE2825039B2 (en) 1981-01-08
GR66015B (en) 1981-01-13
PT68149A (en) 1978-07-01
SE432362B (en) 1984-04-02
CA1101641A (en) 1981-05-26
ES470676A1 (en) 1979-02-16
FI781699A (en) 1978-12-10
FR2393779B1 (en) 1982-12-10
NO151786C (en) 1985-06-05
DE2825039C3 (en) 1987-04-16
ATA356078A (en) 1981-02-15
IE46841B1 (en) 1983-10-05
NL173714C (en) 1984-03-01
IT1096385B (en) 1985-08-26
NO781952L (en) 1978-12-12
DE2825039A1 (en) 1978-12-21
NL7806213A (en) 1978-12-12
SE7806601L (en) 1978-12-10
JPS5416427A (en) 1979-02-07
IE780991L (en) 1978-12-09
IT7824325A0 (en) 1978-06-08
MX5671E (en) 1983-12-08
FI65713B (en) 1984-03-30
FR2393779A1 (en) 1979-01-05
JPS5647181B2 (en) 1981-11-07
NO151786B (en) 1985-02-25
FI65713C (en) 1984-07-10

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time
ELA Expired due to lapse of time