CH431576A - Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln - Google Patents

Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln

Info

Publication number
CH431576A
CH431576A CH5964A CH5964A CH431576A CH 431576 A CH431576 A CH 431576A CH 5964 A CH5964 A CH 5964A CH 5964 A CH5964 A CH 5964A CH 431576 A CH431576 A CH 431576A
Authority
CH
Switzerland
Prior art keywords
granulating
nitrogenous fertilizers
nitrogenous
fertilizers
granulating nitrogenous
Prior art date
Application number
CH5964A
Other languages
English (en)
Inventor
Paul Dr Seifert
Chen Lung Pao
Original Assignee
Inventa Ag
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 Inventa Ag filed Critical Inventa Ag
Priority to CH5964A priority Critical patent/CH431576A/de
Priority to US420630A priority patent/US3475132A/en
Priority to DE19641592672 priority patent/DE1592672A1/de
Priority to FR894A priority patent/FR1419500A/fr
Priority to GB7?0/65A priority patent/GB1076583A/en
Priority to NL6500137A priority patent/NL6500137A/xx
Publication of CH431576A publication Critical patent/CH431576A/de

Links

Classifications

    • 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
    • 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
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C1/00—Ammonium nitrate fertilisers
    • C05C1/02—Granulation; Pelletisation; Stabilisation; Colouring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)
CH5964A 1964-01-07 1964-01-07 Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln CH431576A (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH5964A CH431576A (de) 1964-01-07 1964-01-07 Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln
US420630A US3475132A (en) 1964-01-07 1964-12-23 Fluidized bed for the granulation of fertilizers
DE19641592672 DE1592672A1 (de) 1964-01-07 1964-12-29 Vorrichtung und Verfahren zum Trocknen und Prillieren von konzenrierten waessrigen Loesungen von Harnstoff,Ammoniumnitrat oder Ammoniumsulfat
FR894A FR1419500A (fr) 1964-01-07 1965-01-05 Procédé pour la granulation d'engrais azotés et de produits analogues
GB7?0/65A GB1076583A (en) 1964-01-07 1965-01-07 Improvements in the granulation of nitrogenous fertilizers
NL6500137A NL6500137A (de) 1964-01-07 1965-01-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5964A CH431576A (de) 1964-01-07 1964-01-07 Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln

Publications (1)

Publication Number Publication Date
CH431576A true CH431576A (de) 1967-03-15

Family

ID=4178372

Family Applications (1)

Application Number Title Priority Date Filing Date
CH5964A CH431576A (de) 1964-01-07 1964-01-07 Verfahren zum Granulieren von stickstoffhaltigen Düngemitteln

Country Status (6)

Country Link
US (1) US3475132A (de)
CH (1) CH431576A (de)
DE (1) DE1592672A1 (de)
FR (1) FR1419500A (de)
GB (1) GB1076583A (de)
NL (1) NL6500137A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1227133A (de) * 1967-04-18 1971-04-07
US3625887A (en) * 1968-03-15 1971-12-07 Grace W R & Co Noncaking urea composition containing asbestos, alumina or silica having an ultimate particle size of 2{14 20 microns and the method of preparation
US3849233A (en) * 1970-06-17 1974-11-19 M Lykov Method of production of granulated product
DE2263968C3 (de) * 1972-12-29 1984-09-13 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von nichtstaubenden oder praktisch nichtstaubenden Farbstoffkörnern
IT1004432B (it) * 1974-03-28 1976-07-10 Snam Progetti Procedimento per il recupero di pol veri ottenute da apparecchiature per il trattamento di materiali li quidi o solidi
CA1101641A (en) * 1977-06-09 1981-05-26 Anton Niks Urea granulation
JPS6034517B2 (ja) * 1978-03-03 1985-08-09 宇部興産株式会社 流動層で尿素を造粒する方法
NL173387C (nl) * 1979-03-15 1984-01-16 Azote Sa Cie Neerlandaise Werkwijze voor het maken van stabiele, ammoniumnitraat bevattende meststofkorrels.
NL8001874A (nl) * 1980-03-29 1981-11-02 Stamicarbon Inrichting voor het versproeien van een vloeistof met behulp van een gas.
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.
US4399633A (en) * 1981-04-09 1983-08-23 Interox Chemicals Limited Production of alkali metal or alkaline earth metal peroxides
NL8502838A (nl) * 1985-10-17 1987-05-18 Azote Sa Cie Neerlandaise Werkwijze ter vervaardiging van ureum en ammoniumsulfaat bevattende meststofkorrels.
IT1216890B (it) * 1987-02-13 1990-03-14 Palermo Enichem Agricoltura S Procedimento per la produzione di calcourea.
US5044093A (en) * 1988-03-30 1991-09-03 Ohkawara Kakohki Co., Ltd. Spray-drying granulation apparatus
IT1262932B (it) * 1992-01-27 1996-07-22 Procedimento migliorato per la produzione di calcourea
DE10256530A1 (de) * 2002-12-04 2004-06-24 Degussa Ag Verfahren zur Herstellung von wasserfreiem Alkalisulfid
NL1023941C2 (nl) * 2003-07-17 2005-01-18 Dsm Ip Assets Bv Werkwijze voor het bereiden van ureum granules.
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
US8551429B2 (en) 2011-11-14 2013-10-08 Intercontinental Potash Corp. (Usa) Methods of processing polyhalite ore, methods of producing potassium sulfate, and related systems
US8802048B2 (en) 2012-09-12 2014-08-12 Intercontinental Potash Corp. (Usa) Methods of processing solutions of potassium sulfate and magnesium sulfate, methods of producing potassium sulfate, and related systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2635684A (en) * 1949-05-24 1953-04-21 Ici Ltd Manufacture of caustic soda granules
US3212197A (en) * 1961-06-08 1965-10-19 James R Crawford Drying method and apparatus
US3255036A (en) * 1962-01-02 1966-06-07 Wyandotte Chemicals Corp Method of preparing pellets
US3130225A (en) * 1962-02-12 1964-04-21 Pullman Inc Urea production

Also Published As

Publication number Publication date
US3475132A (en) 1969-10-28
FR1419500A (fr) 1965-11-26
GB1076583A (en) 1967-07-19
DE1592672A1 (de) 1971-02-04
NL6500137A (de) 1965-07-08

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