IT1262932B - Procedimento migliorato per la produzione di calcourea - Google Patents

Procedimento migliorato per la produzione di calcourea

Info

Publication number
IT1262932B
IT1262932B ITMI920134A ITMI920134A IT1262932B IT 1262932 B IT1262932 B IT 1262932B IT MI920134 A ITMI920134 A IT MI920134A IT MI920134 A ITMI920134 A IT MI920134A IT 1262932 B IT1262932 B IT 1262932B
Authority
IT
Italy
Prior art keywords
calcourea
production
improved procedure
sending
formula
Prior art date
Application number
ITMI920134A
Other languages
English (en)
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 filed Critical
Publication of ITMI920134A0 publication Critical patent/ITMI920134A0/it
Priority to ITMI920134A priority Critical patent/IT1262932B/it
Priority to DE69305661T priority patent/DE69305661T2/de
Priority to EP93200168A priority patent/EP0553921B1/en
Priority to DK93200168.8T priority patent/DK0553921T3/da
Priority to ES93200168T priority patent/ES2093910T3/es
Priority to AT93200168T priority patent/ATE144760T1/de
Priority to NO930241A priority patent/NO304225B1/no
Priority to FI930308A priority patent/FI104067B/fi
Priority to JP5029915A priority patent/JPH05339086A/ja
Publication of ITMI920134A1 publication Critical patent/ITMI920134A1/it
Priority to US08/351,541 priority patent/US5716591A/en
Application granted granted Critical
Publication of IT1262932B publication Critical patent/IT1262932B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/24—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by shooting or throwing the materials, e.g. after which the materials are subject to impact
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C5/00—Fertilisers containing other nitrates
    • C05C5/005—Post-treatment
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C5/00—Fertilisers containing other nitrates
    • C05C5/04—Fertilisers containing other nitrates containing calcium nitrate
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds

Abstract

Calcourea, un prodotto di formula (FORMULA), viene ottenuta attraverso un procedimento che prevede fondamentalmente i seguenti stadi:- miscelazione di urea fusa e di nitrato di calcio;- invio della soluzione così ottenuta ad un turbo-essiccatore; - invio del sale fuso formatosi ad un tamburo granulatore;- recupero della calcourea.
ITMI920134A 1992-01-27 1992-01-27 Procedimento migliorato per la produzione di calcourea IT1262932B (it)

Priority Applications (10)

Application Number Priority Date Filing Date Title
ITMI920134A IT1262932B (it) 1992-01-27 1992-01-27 Procedimento migliorato per la produzione di calcourea
ES93200168T ES2093910T3 (es) 1992-01-27 1993-01-23 Procedimiento mejorado para producir aducto de nitrato calcico-urea.
EP93200168A EP0553921B1 (en) 1992-01-27 1993-01-23 Improved process for producing calcium nitrate-urea adduct
DK93200168.8T DK0553921T3 (da) 1992-01-27 1993-01-23 Fremgangsmåde til fremstilling af calciumnitrat-urinstofaddukter
DE69305661T DE69305661T2 (de) 1992-01-27 1993-01-23 Verfahren zur Herstellung von Calciumnitrat-Harnstoff Addukten
AT93200168T ATE144760T1 (de) 1992-01-27 1993-01-23 Verfahren zur herstellung von calciumnitrat- harnstoff addukten
NO930241A NO304225B1 (no) 1992-01-27 1993-01-25 FremgangsmÕte for fremstilling av kalsiumnitraturea som et granulµrt, fritt-str°mmende fast stoff
FI930308A FI104067B (fi) 1992-01-27 1993-01-26 Parannettu menetelmä kalsuimnitraatti-virtsa-aine adduktin valmistamiseksi
JP5029915A JPH05339086A (ja) 1992-01-27 1993-01-26 硝酸カルシウム−尿素付加物の製法
US08/351,541 US5716591A (en) 1992-01-27 1994-12-07 Process for producing calcium nitrate-urea adduct

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI920134A IT1262932B (it) 1992-01-27 1992-01-27 Procedimento migliorato per la produzione di calcourea

Publications (3)

Publication Number Publication Date
ITMI920134A0 ITMI920134A0 (it) 1992-01-27
ITMI920134A1 ITMI920134A1 (it) 1993-07-27
IT1262932B true IT1262932B (it) 1996-07-22

Family

ID=11361666

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI920134A IT1262932B (it) 1992-01-27 1992-01-27 Procedimento migliorato per la produzione di calcourea

Country Status (10)

Country Link
US (1) US5716591A (it)
EP (1) EP0553921B1 (it)
JP (1) JPH05339086A (it)
AT (1) ATE144760T1 (it)
DE (1) DE69305661T2 (it)
DK (1) DK0553921T3 (it)
ES (1) ES2093910T3 (it)
FI (1) FI104067B (it)
IT (1) IT1262932B (it)
NO (1) NO304225B1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5917110A (en) * 1996-10-18 1999-06-29 Tetra Technologies, Inc. Moisture-resistant calcium containing particles
DE102004005907B4 (de) * 2004-02-05 2006-01-05 Uhde Gmbh Anlage zur Herstellung von biuretarmem harnstoffhaltigem Düngemittelgranulat
JP4799136B2 (ja) * 2005-11-14 2011-10-26 日本化薬株式会社 ガス発生剤組成物
WO2008139557A1 (ja) * 2007-05-02 2008-11-20 Nipponkayaku Kabushikikaisha ガス発生剤組成物及びガス発生剤組成物成形体、並びにそれに用いる化合物の製造方法、並びにガス発生器
JP5325099B2 (ja) * 2007-05-02 2013-10-23 日本化薬株式会社 ガス発生剤組成物及びガス発生剤組成物成形体、並びにそれに用いる化合物の製造方法、並びにガス発生器
NO341345B1 (no) 2012-08-29 2017-10-16 Yara Int Asa Fremgangsmåte for å begrense anvendelsen av et ammoniumnitratgjødsel som forløper for et eksplosiv og sammensetning for dette
EP3655378A1 (en) 2017-07-21 2020-05-27 SABIC Global Technologies B.V. Calcium sulfate urea granules and methods for producing and using the same
US20200189987A1 (en) * 2017-08-21 2020-06-18 Lehigh University Solvent free method of producing urea adduct
CN108083877A (zh) * 2017-12-20 2018-05-29 贵州芭田生态工程有限公司 一种以冷冻法硝酸磷肥工艺副产的硝酸钙为原料生产尿素硝酸钙的方法
US20220119320A1 (en) 2018-12-07 2022-04-21 Sabic Global Technologies B.V. Fertilizers containing calcium sulfate urea and methods for producing and using the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH431576A (de) * 1964-01-07 1967-03-15 Inventa Ag Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln
US4091544A (en) * 1977-02-11 1978-05-30 The Procter & Gamble Company Drying process
US4497757A (en) * 1983-01-31 1985-02-05 The Procter & Gamble Company Energy efficient hydration process
CH663273A5 (en) * 1984-12-18 1987-11-30 Fershan Holding S A Method of continuous drying of a powdered substance and apparatus for implementing it
FR2585971A1 (fr) * 1985-08-07 1987-02-13 Kaltenbach Thuring Sa Dispositif et installation de granulation
IE57463B1 (en) * 1985-08-07 1992-11-04 Kaltenbach Thuring Sa Granulating device
IT1216890B (it) * 1987-02-13 1990-03-14 Palermo Enichem Agricoltura S Procedimento per la produzione di calcourea.

Also Published As

Publication number Publication date
DE69305661T2 (de) 1997-04-30
FI104067B1 (fi) 1999-11-15
FI930308A0 (fi) 1993-01-26
NO930241L (no) 1993-07-28
JPH05339086A (ja) 1993-12-21
US5716591A (en) 1998-02-10
EP0553921A1 (en) 1993-08-04
NO930241D0 (no) 1993-01-25
DK0553921T3 (da) 1997-03-17
ATE144760T1 (de) 1996-11-15
ES2093910T3 (es) 1997-01-01
FI930308A (fi) 1993-07-28
EP0553921B1 (en) 1996-10-30
ITMI920134A1 (it) 1993-07-27
NO304225B1 (no) 1998-11-16
ITMI920134A0 (it) 1992-01-27
FI104067B (fi) 1999-11-15
DE69305661D1 (de) 1996-12-05

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950116