CA1040215A - Method of controlling water content in urea reactions - Google Patents
Method of controlling water content in urea reactionsInfo
- Publication number
- CA1040215A CA1040215A CA209,047A CA209047A CA1040215A CA 1040215 A CA1040215 A CA 1040215A CA 209047 A CA209047 A CA 209047A CA 1040215 A CA1040215 A CA 1040215A
- Authority
- CA
- Canada
- Prior art keywords
- urea
- reactor
- gases
- water
- melt
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000004202 carbamide Substances 0.000 title claims abstract description 44
- 229910001868 water Inorganic materials 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000006243 chemical reaction Methods 0.000 title abstract description 37
- 239000007789 gas Substances 0.000 claims abstract description 39
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 48
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 46
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 31
- 239000000155 melt Substances 0.000 claims description 14
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 239000001569 carbon dioxide Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 description 13
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 13
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 7
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 description 6
- 239000000470 constituent Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000010626 work up procedure Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 241000272470 Circus Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- C07C273/04—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 from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1317473A CH581612A5 (enrdf_load_html_response) | 1973-09-13 | 1973-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1040215A true CA1040215A (en) | 1978-10-10 |
Family
ID=4389996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA209,047A Expired CA1040215A (en) | 1973-09-13 | 1974-09-12 | Method of controlling water content in urea reactions |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT344721B (enrdf_load_html_response) |
| BR (1) | BR7407575D0 (enrdf_load_html_response) |
| CA (1) | CA1040215A (enrdf_load_html_response) |
| CH (1) | CH581612A5 (enrdf_load_html_response) |
| NL (1) | NL7412073A (enrdf_load_html_response) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989001468A1 (en) * | 1987-08-13 | 1989-02-23 | Austral-Pacific Fertilizers Ltd. | Process for enhanced urea production |
-
1973
- 1973-09-13 CH CH1317473A patent/CH581612A5/xx not_active IP Right Cessation
-
1974
- 1974-04-02 AT AT273774A patent/AT344721B/de not_active IP Right Cessation
- 1974-09-11 BR BR7575/74A patent/BR7407575D0/pt unknown
- 1974-09-11 NL NL7412073A patent/NL7412073A/xx not_active Application Discontinuation
- 1974-09-12 CA CA209,047A patent/CA1040215A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989001468A1 (en) * | 1987-08-13 | 1989-02-23 | Austral-Pacific Fertilizers Ltd. | Process for enhanced urea production |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7412073A (nl) | 1975-03-17 |
| CH581612A5 (enrdf_load_html_response) | 1976-11-15 |
| DE2438685B2 (de) | 1975-12-04 |
| AT344721B (de) | 1978-08-10 |
| AU7063474A (en) | 1976-01-08 |
| ATA273774A (de) | 1977-12-15 |
| BR7407575D0 (pt) | 1975-07-08 |
| DE2438685A1 (de) | 1975-04-10 |
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