DE1916368A1 - Langsam wirkende Duengemittel - Google Patents
Langsam wirkende DuengemittelInfo
- Publication number
- DE1916368A1 DE1916368A1 DE19691916368 DE1916368A DE1916368A1 DE 1916368 A1 DE1916368 A1 DE 1916368A1 DE 19691916368 DE19691916368 DE 19691916368 DE 1916368 A DE1916368 A DE 1916368A DE 1916368 A1 DE1916368 A1 DE 1916368A1
- Authority
- DE
- Germany
- Prior art keywords
- granules
- aldehydes
- urea
- gaseous
- fertilizers
- 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.)
- Pending
Links
- 239000003337 fertilizer Substances 0.000 title claims description 21
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 35
- 239000008187 granular material Substances 0.000 claims description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 19
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 19
- 239000004202 carbamide Substances 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000003570 air Substances 0.000 claims description 3
- 239000012159 carrier gas Substances 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims 5
- JJMDTERTPNYIGZ-UHFFFAOYSA-N 2-cyclohexylacetaldehyde Chemical compound O=CCC1CCCCC1 JJMDTERTPNYIGZ-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 9
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 8
- 239000007789 gas Substances 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000008098 formaldehyde solution Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
-
- 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
- B01J2/003—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic followed by coating of the granules
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
- C05C9/005—Post-treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Fertilizers (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691916368 DE1916368A1 (de) | 1969-03-29 | 1969-03-29 | Langsam wirkende Duengemittel |
| AT101070A AT297062B (de) | 1969-03-29 | 1970-02-04 | Verfahren zur Herstellung von langsam wirkenden Düngemitteln |
| NL7002249A NL7002249A (enrdf_load_stackoverflow) | 1969-03-29 | 1970-02-18 | |
| FR7008741A FR2035983B1 (enrdf_load_stackoverflow) | 1969-03-29 | 1970-03-11 | |
| GB1456670A GB1304587A (enrdf_load_stackoverflow) | 1969-03-29 | 1970-03-25 | |
| BE748111D BE748111A (fr) | 1969-03-29 | 1970-03-27 | Fumure a action lente et procede pour sa fabrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691916368 DE1916368A1 (de) | 1969-03-29 | 1969-03-29 | Langsam wirkende Duengemittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1916368A1 true DE1916368A1 (de) | 1970-10-01 |
Family
ID=5729845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691916368 Pending DE1916368A1 (de) | 1969-03-29 | 1969-03-29 | Langsam wirkende Duengemittel |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT297062B (enrdf_load_stackoverflow) |
| BE (1) | BE748111A (enrdf_load_stackoverflow) |
| DE (1) | DE1916368A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2035983B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1304587A (enrdf_load_stackoverflow) |
| NL (1) | NL7002249A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO148744C (no) * | 1977-09-19 | 1983-12-07 | Norsk Hydro As | Fremgangsmaate til fremstilling av urea med hoey mekanisk styrke |
| NL1025805C2 (nl) * | 2004-03-25 | 2005-09-27 | Dsm Ip Assets Bv | Werkwijze voor de granulatie van ureum. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB944875A (en) * | 1959-09-14 | 1963-12-18 | Ici Ltd | Improvements in and relating to urea |
-
1969
- 1969-03-29 DE DE19691916368 patent/DE1916368A1/de active Pending
-
1970
- 1970-02-04 AT AT101070A patent/AT297062B/de not_active IP Right Cessation
- 1970-02-18 NL NL7002249A patent/NL7002249A/xx unknown
- 1970-03-11 FR FR7008741A patent/FR2035983B1/fr not_active Expired
- 1970-03-25 GB GB1456670A patent/GB1304587A/en not_active Expired
- 1970-03-27 BE BE748111D patent/BE748111A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2035983A1 (enrdf_load_stackoverflow) | 1970-12-24 |
| NL7002249A (enrdf_load_stackoverflow) | 1970-10-01 |
| BE748111A (fr) | 1970-08-31 |
| FR2035983B1 (enrdf_load_stackoverflow) | 1974-05-03 |
| AT297062B (de) | 1972-03-10 |
| GB1304587A (enrdf_load_stackoverflow) | 1973-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHW | Rejection |