NO125959B - - Google Patents
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- Publication number
- NO125959B NO125959B NO258069A NO258069A NO125959B NO 125959 B NO125959 B NO 125959B NO 258069 A NO258069 A NO 258069A NO 258069 A NO258069 A NO 258069A NO 125959 B NO125959 B NO 125959B
- Authority
- NO
- Norway
- Prior art keywords
- carbamide
- solution
- melt
- evaporator
- evaporation
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 146
- 239000004202 carbamide Substances 0.000 claims description 64
- 235000013877 carbamide Nutrition 0.000 claims description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000000243 solution Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 13
- 230000008020 evaporation Effects 0.000 claims description 13
- 239000000155 melt Substances 0.000 claims description 13
- 239000007787 solid Substances 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 22
- 238000009835 boiling Methods 0.000 description 18
- 229910021529 ammonia Inorganic materials 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000002425 crystallisation Methods 0.000 description 7
- 230000008025 crystallization Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- ULUZGMIUTMRARO-UHFFFAOYSA-N (carbamoylamino)urea Chemical compound NC(=O)NNC(N)=O ULUZGMIUTMRARO-UHFFFAOYSA-N 0.000 description 1
- 235000021537 Beetroot Nutrition 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41G—ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS
- A41G1/00—Artificial flowers, fruit, leaves, or trees; Garlands
- A41G1/007—Artificial trees
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77991668A | 1968-11-29 | 1968-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO125959B true NO125959B (xx) | 1972-12-04 |
Family
ID=25117990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO258069A NO125959B (xx) | 1968-11-29 | 1969-06-23 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS4842597B1 (xx) |
| DE (1) | DE1930646A1 (xx) |
| DK (1) | DK121464B (xx) |
| FR (1) | FR2024453A1 (xx) |
| GB (1) | GB1213950A (xx) |
| NO (1) | NO125959B (xx) |
| SE (1) | SE349470B (xx) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5275395A (en) * | 1976-10-07 | 1977-06-24 | Ono Kiyomitsu | Automatic article taking out machine |
| US4305980A (en) * | 1979-07-17 | 1981-12-15 | American Technical Industries Inc. | Artificial tree |
| JPH0319816Y2 (xx) * | 1986-10-20 | 1991-04-26 |
-
1969
- 1969-06-06 SE SE809269A patent/SE349470B/xx unknown
- 1969-06-12 GB GB2992069A patent/GB1213950A/en not_active Expired
- 1969-06-18 DE DE19691930646 patent/DE1930646A1/de active Pending
- 1969-06-23 NO NO258069A patent/NO125959B/no unknown
- 1969-06-23 FR FR6920888A patent/FR2024453A1/fr not_active Withdrawn
- 1969-06-27 DK DK350769A patent/DK121464B/da unknown
- 1969-08-01 JP JP6048169A patent/JPS4842597B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1930646A1 (de) | 1970-06-04 |
| JPS4842597B1 (xx) | 1973-12-13 |
| DK121464B (da) | 1971-10-18 |
| SE349470B (xx) | 1972-10-02 |
| FR2024453A1 (xx) | 1970-08-28 |
| GB1213950A (en) | 1970-11-25 |
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