FR1335801A - Granules d'urée pauvres en biuret - Google Patents
Granules d'urée pauvres en biuretInfo
- Publication number
- FR1335801A FR1335801A FR911620A FR911620A FR1335801A FR 1335801 A FR1335801 A FR 1335801A FR 911620 A FR911620 A FR 911620A FR 911620 A FR911620 A FR 911620A FR 1335801 A FR1335801 A FR 1335801A
- Authority
- FR
- France
- Prior art keywords
- biuret
- urea granules
- granules low
- low
- urea
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- B01J2/02—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
- 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
- C07C273/14—Separation; Purification; Stabilisation; Use of additives
- C07C273/16—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DENDAT1168416D DE1168416B (de) | 1962-10-08 | Verfahren zur Herstellung biuretarmer Harnstoffprills | |
BE623265D BE623265A (fr) | 1962-10-08 | ||
NL270116D NL270116A (fr) | 1962-10-08 | ||
FR911620A FR1335801A (fr) | 1962-10-08 | 1962-10-08 | Granules d'urée pauvres en biuret |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR911620A FR1335801A (fr) | 1962-10-08 | 1962-10-08 | Granules d'urée pauvres en biuret |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1335801A true FR1335801A (fr) | 1963-08-23 |
Family
ID=8788280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR911620A Expired FR1335801A (fr) | 1962-10-08 | 1962-10-08 | Granules d'urée pauvres en biuret |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE623265A (fr) |
DE (1) | DE1168416B (fr) |
FR (1) | FR1335801A (fr) |
NL (1) | NL270116A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4424072A (en) * | 1982-07-01 | 1984-01-03 | Lerner Bernard J | Prilling |
-
0
- DE DENDAT1168416D patent/DE1168416B/de active Pending
- BE BE623265D patent/BE623265A/xx unknown
- NL NL270116D patent/NL270116A/xx unknown
-
1962
- 1962-10-08 FR FR911620A patent/FR1335801A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL270116A (fr) | |
BE623265A (fr) | |
DE1168416B (de) | 1964-04-23 |
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