SE456644B - Foerfarande foer framstaellning av granuler innehaallande karbamid samt goeds elmedelsblandning med karbamidhaltiga granuler - Google Patents
Foerfarande foer framstaellning av granuler innehaallande karbamid samt goeds elmedelsblandning med karbamidhaltiga granulerInfo
- Publication number
- SE456644B SE456644B SE8204078A SE8204078A SE456644B SE 456644 B SE456644 B SE 456644B SE 8204078 A SE8204078 A SE 8204078A SE 8204078 A SE8204078 A SE 8204078A SE 456644 B SE456644 B SE 456644B
- Authority
- SE
- Sweden
- Prior art keywords
- granules
- solution
- urea
- melt
- suspension
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8103210A NL8103210A (nl) | 1981-07-03 | 1981-07-03 | Werkwijze voor het maken van ureumkorrels. |
NLAANVRAGE8200552,A NL184769C (nl) | 1981-07-03 | 1982-02-12 | Werkwijze voor het vervaardigen van ureumkorrels. |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8204078D0 SE8204078D0 (sv) | 1982-07-01 |
SE8204078L SE8204078L (fr) | 1983-02-25 |
SE456644B true SE456644B (sv) | 1988-10-24 |
Family
ID=26645713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8204078A SE456644B (sv) | 1981-07-03 | 1982-07-01 | Foerfarande foer framstaellning av granuler innehaallande karbamid samt goeds elmedelsblandning med karbamidhaltiga granuler |
Country Status (26)
Country | Link |
---|---|
US (1) | US4500336A (fr) |
AT (1) | AT382145B (fr) |
BG (1) | BG36929A3 (fr) |
BR (1) | BR8203893A (fr) |
CA (1) | CA1173660A (fr) |
DD (1) | DD202417A5 (fr) |
DE (1) | DE3222157C2 (fr) |
EG (1) | EG15739A (fr) |
ES (1) | ES513685A0 (fr) |
FI (1) | FI72115C (fr) |
FR (1) | FR2508895B1 (fr) |
GB (1) | GB2101129B (fr) |
GR (1) | GR76400B (fr) |
HU (1) | HU190805B (fr) |
IE (1) | IE53202B1 (fr) |
IN (1) | IN157774B (fr) |
IT (1) | IT1156104B (fr) |
MX (1) | MX159932A (fr) |
NL (2) | NL184769C (fr) |
NO (1) | NO154743C (fr) |
PL (1) | PL136353B1 (fr) |
PT (1) | PT75144B (fr) |
RO (1) | RO85735B (fr) |
SE (1) | SE456644B (fr) |
TR (1) | TR23125A (fr) |
YU (1) | YU42777B (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8502838A (nl) * | 1985-10-17 | 1987-05-18 | Azote Sa Cie Neerlandaise | Werkwijze ter vervaardiging van ureum en ammoniumsulfaat bevattende meststofkorrels. |
US4701204A (en) * | 1985-12-12 | 1987-10-20 | Exxon Research And Engineering Company | Composite comprising a substrate coated with polymeric complexes |
US5435821A (en) * | 1985-12-12 | 1995-07-25 | Exxon Research & Engineering Co. | Controlled release vegetation enhancement agents coated with sulfonated polymers, method of production and prcesses of use |
GB9014985D0 (en) * | 1990-07-06 | 1990-08-29 | Dyno Industrier As | Formaldehyde resin curing agents |
AUPM383594A0 (en) * | 1994-02-11 | 1994-03-10 | Incitec Ltd | Granular urea |
US6749660B2 (en) * | 2001-06-04 | 2004-06-15 | Geovation Technologies, Inc. | Solid-chemical composition and method of preparation for the anaerobic bioremediation of environmental contaminants coupled to denitrification |
EP2780286A4 (fr) | 2011-11-14 | 2015-08-12 | Intercontinental Potash Corp Usa | Procédés de traitement d'un minerai de polyhalite, procédés de production de sulfate de potassium, et systèmes associés |
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 |
DE102015108344A1 (de) * | 2015-05-27 | 2016-12-01 | Thyssenkrupp Ag | Granulation von Ammoniumsulfat |
PL3319925T3 (pl) * | 2015-07-06 | 2020-04-30 | Stamicarbon B.V. | Granulacja produktów mocznikowych |
EP3542899A1 (fr) | 2018-03-20 | 2019-09-25 | Yara International ASA | Procédé et réacteur pour produire du sulfate d'ammonium d'urée |
EP3594194A1 (fr) | 2018-07-12 | 2020-01-15 | Casale Sa | Procédé de granulation d'urée |
DE102021108187A1 (de) | 2021-03-31 | 2022-10-06 | Skw Stickstoffwerke Piesteritz Gmbh | Granuliertes pH-neutrales Harnstoff-Ammoniumsulfat-Düngemittel mit Ureaseinhibitor |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE612708C (de) * | 1930-10-21 | 1935-05-03 | I G Farbenindustrie Akt Ges | Verfahren zur Herstellung nicht backender, ammonnitrathaltiger Mischduenger |
DE1024533B (de) * | 1956-10-02 | 1958-02-20 | Basf Ag | Verfahren zur Herstellung von lagerbestaendigem, nicht zusammenbackendem Harnstoff |
GB894773A (en) * | 1958-05-30 | 1962-04-26 | Chemical & Ind Corp | Process for the production of pellets |
GB891562A (en) * | 1959-03-05 | 1962-03-14 | Belge Produits Chimiques Sa | Process for the production of granular ammonium nitrate |
US3130225A (en) * | 1962-02-12 | 1964-04-21 | Pullman Inc | Urea production |
GB1168444A (en) * | 1965-12-08 | 1969-10-22 | Fisons Ltd | Improved Granular Materials |
GB1384384A (en) * | 1971-08-27 | 1975-02-19 | Ici Ltd | Agglomeration of soluble particles |
NO133872C (fr) * | 1974-07-26 | 1976-07-14 | Norsk Hydro As | |
GB1581761A (en) * | 1977-06-09 | 1980-12-17 | Azote Sa Cie Neerlandaise | Urea granulation |
DK531278A (da) * | 1977-12-22 | 1979-06-23 | Fisons Ltd | Middel til formindskelse af ammoniaktab ved anvendelse af urinstof som goedning |
-
1982
- 1982-02-12 NL NLAANVRAGE8200552,A patent/NL184769C/xx not_active IP Right Cessation
- 1982-06-11 IE IE1406/82A patent/IE53202B1/en not_active IP Right Cessation
- 1982-06-11 GB GB08216993A patent/GB2101129B/en not_active Expired
- 1982-06-12 DE DE3222157A patent/DE3222157C2/de not_active Expired
- 1982-06-14 CA CA000405063A patent/CA1173660A/fr not_active Expired
- 1982-06-14 GR GR68439A patent/GR76400B/el unknown
- 1982-06-17 IN IN700/CAL/82A patent/IN157774B/en unknown
- 1982-06-18 US US06/390,044 patent/US4500336A/en not_active Expired - Fee Related
- 1982-06-24 AT AT0244582A patent/AT382145B/de not_active IP Right Cessation
- 1982-06-29 PT PT75144A patent/PT75144B/pt not_active IP Right Cessation
- 1982-06-29 FR FR8211363A patent/FR2508895B1/fr not_active Expired
- 1982-06-30 TR TR4467/82A patent/TR23125A/xx unknown
- 1982-06-30 DD DD82241257A patent/DD202417A5/de not_active IP Right Cessation
- 1982-06-30 NO NO822259A patent/NO154743C/no unknown
- 1982-07-01 SE SE8204078A patent/SE456644B/sv not_active IP Right Cessation
- 1982-07-01 PL PL1982237213A patent/PL136353B1/pl unknown
- 1982-07-01 RO RO108038A patent/RO85735B/ro unknown
- 1982-07-01 FI FI822347A patent/FI72115C/fi not_active IP Right Cessation
- 1982-07-02 ES ES513685A patent/ES513685A0/es active Granted
- 1982-07-02 YU YU1443/82A patent/YU42777B/xx unknown
- 1982-07-02 BR BR8203893A patent/BR8203893A/pt not_active IP Right Cessation
- 1982-07-02 HU HU822178A patent/HU190805B/hu not_active IP Right Cessation
- 1982-07-02 IT IT22205/82A patent/IT1156104B/it active
- 1982-07-02 BG BG057254A patent/BG36929A3/xx unknown
- 1982-07-02 MX MX193430A patent/MX159932A/es unknown
- 1982-07-03 EG EG397/82A patent/EG15739A/xx active
-
1988
- 1988-09-16 NL NL8802299A patent/NL8802299A/nl not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8204078-3 Effective date: 19940210 Format of ref document f/p: F |