CA1144512A - After-treatment processes and apparatus especially for urea and ammonium nitrate plants - Google Patents
After-treatment processes and apparatus especially for urea and ammonium nitrate plantsInfo
- Publication number
- CA1144512A CA1144512A CA000344565A CA344565A CA1144512A CA 1144512 A CA1144512 A CA 1144512A CA 000344565 A CA000344565 A CA 000344565A CA 344565 A CA344565 A CA 344565A CA 1144512 A CA1144512 A CA 1144512A
- Authority
- CA
- Canada
- Prior art keywords
- stream
- condensate
- evaporator
- section
- product
- 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 60
- 239000004202 carbamide Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 41
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000012546 transfer Methods 0.000 claims abstract description 35
- 238000007711 solidification Methods 0.000 claims abstract description 28
- 230000008023 solidification Effects 0.000 claims abstract description 28
- 239000007858 starting material Substances 0.000 claims abstract description 27
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 21
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 19
- 239000002904 solvent Substances 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 8
- 239000000047 product Substances 0.000 claims description 31
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000003247 decreasing effect Effects 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 42
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 24
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 18
- 229910001868 water Inorganic materials 0.000 description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000006386 neutralization reaction Methods 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 238000006276 transfer reaction Methods 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/18—Nitrates of ammonium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/18—Nitrates of ammonium
- C01C1/185—Preparation
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/007,748 US4231839A (en) | 1979-01-30 | 1979-01-30 | After-treatment processes and apparatus, especially for urea and ammonium nitrate plants |
| US007,748 | 1979-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1144512A true CA1144512A (en) | 1983-04-12 |
Family
ID=21727928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000344565A Expired CA1144512A (en) | 1979-01-30 | 1980-01-29 | After-treatment processes and apparatus especially for urea and ammonium nitrate plants |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4231839A (enExample) |
| JP (1) | JPS5913892B2 (enExample) |
| BR (1) | BR8000500A (enExample) |
| CA (1) | CA1144512A (enExample) |
| DE (1) | DE3002460A1 (enExample) |
| ES (3) | ES8101545A1 (enExample) |
| FR (1) | FR2450809A1 (enExample) |
| GB (1) | GB2040711B (enExample) |
| IT (1) | IT1129705B (enExample) |
| MX (1) | MX155155A (enExample) |
| NL (1) | NL8000600A (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2517662A1 (fr) * | 1981-12-04 | 1983-06-10 | Kestner App Evaporateurs | Procede de depollution des effluents de la fabrication du nitrate d'ammonium et de recuperation des elements contenus dans lesdits effluents |
| NL8201652A (nl) * | 1982-04-21 | 1983-11-16 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| EP0302213A1 (en) * | 1987-08-04 | 1989-02-08 | Ammonia Casale S.A. | Process for the recovery of urea entrained by vapours in vacuum concentration systems |
| IT1240675B (it) * | 1990-04-24 | 1993-12-17 | Snam Progetti | Procedimento per la concentrazione sotto vuoto di soluzioni di urea |
| US5597454A (en) * | 1995-04-06 | 1997-01-28 | Lee; Jing M. | Process for producing urea |
| US7399344B1 (en) * | 2005-01-28 | 2008-07-15 | Uop Llc | Hydrogen peroxide recovery with hydrophobic membrane |
| DE102007024081A1 (de) * | 2007-05-22 | 2008-11-27 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren und Vorrichtung zum Verdampfen eines Fluides |
| EP3224223B1 (en) * | 2014-11-27 | 2019-04-24 | Stamicarbon B.V. | Method and plant for producing urea-ammonium nitrate (uan) |
| CN108367236B (zh) * | 2015-12-21 | 2019-07-12 | 斯塔米卡邦有限公司 | 尿素硝酸铵生产 |
| IT201700121364A1 (it) * | 2017-10-25 | 2019-04-25 | Saipem Spa | Apparato e metodo per il trattamento di vapori di processo provenienti da una sezione di concentrazione sottovuoto di un impianto urea |
| CN113101682B (zh) * | 2021-05-28 | 2023-03-24 | 新疆心连心能源化工有限公司 | 减少蒸发掉缩合物稳定尿素生产的装置及处理方法 |
| WO2023156360A1 (de) * | 2022-02-18 | 2023-08-24 | Thyssenkrupp Industrial Solutions Ag | Optimierte prozesskondensataufbereitung |
| LU102914B1 (de) * | 2022-02-18 | 2023-08-18 | Thyssenkrupp Ind Solutions Ag | Optimierte Prozesskondensataufbereitung |
| WO2025053758A1 (en) * | 2023-09-08 | 2025-03-13 | Stamicarbon B.V. | Ammonium nitrate production with multiple condensers |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2034864A (en) * | 1933-10-10 | 1936-03-24 | Du Pont | Ammonia recovery process |
| NL102735C (enExample) * | 1956-07-23 | |||
| FR1356054A (fr) * | 1962-05-04 | 1964-03-20 | Ucb Sa | Procédé de fabrication de nitrate d'ammonium |
| US3255246A (en) * | 1963-06-27 | 1966-06-07 | Du Pont | Synthesis and recovery of urea |
| US3371115A (en) * | 1965-02-15 | 1968-02-27 | Chemical Construction Corp | Process for combined production of ammonia and urea |
| FR1539371A (fr) * | 1966-09-29 | 1968-09-13 | Wellman Lord Inc | Procédé de production d'urée cristalline |
| US3585237A (en) * | 1966-09-29 | 1971-06-15 | Wellman Lord Inc | Crystallization of urea |
| US3579636A (en) * | 1968-05-16 | 1971-05-18 | Ivo Mavrovic | Urea synthesis process |
| US3759992A (en) * | 1970-06-29 | 1973-09-18 | I Mavrovic | Urea synthesis |
| US3723430A (en) * | 1970-10-28 | 1973-03-27 | Nissan Chemical Ind Ltd | Method for reclamation of melamine waste gas |
| US3922222A (en) * | 1973-02-20 | 1975-11-25 | Cf Ind | Method for treatment of urea crystallizer condensate |
| CH577333A5 (enExample) * | 1973-10-30 | 1976-07-15 | Luwa Ag | |
| US3985523A (en) * | 1974-09-30 | 1976-10-12 | Foster Wheeler Energy Corporation | Pollution control process for fertilizer plant |
| US4087513A (en) * | 1977-08-12 | 1978-05-02 | Olin Corporation | Method of hydrolyzing urea contained in waste water streams |
-
1979
- 1979-01-30 US US06/007,748 patent/US4231839A/en not_active Expired - Lifetime
-
1980
- 1980-01-18 IT IT19316/80A patent/IT1129705B/it active
- 1980-01-24 DE DE19803002460 patent/DE3002460A1/de not_active Withdrawn
- 1980-01-24 FR FR8001514A patent/FR2450809A1/fr active Granted
- 1980-01-25 BR BR8000500A patent/BR8000500A/pt unknown
- 1980-01-28 MX MX180976A patent/MX155155A/es unknown
- 1980-01-29 CA CA000344565A patent/CA1144512A/en not_active Expired
- 1980-01-29 GB GB8002931A patent/GB2040711B/en not_active Expired
- 1980-01-30 NL NL8000600A patent/NL8000600A/nl not_active Application Discontinuation
- 1980-01-30 JP JP55008847A patent/JPS5913892B2/ja not_active Expired
- 1980-01-31 ES ES488095A patent/ES8101545A1/es not_active Expired
- 1980-09-01 ES ES494688A patent/ES494688A0/es active Granted
- 1980-09-01 ES ES494687A patent/ES8106465A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES8200331A1 (es) | 1981-11-01 |
| NL8000600A (nl) | 1980-08-01 |
| IT8019316A0 (it) | 1980-01-18 |
| JPS5913892B2 (ja) | 1984-04-02 |
| GB2040711A (en) | 1980-09-03 |
| ES494687A0 (es) | 1981-08-16 |
| FR2450809A1 (fr) | 1980-10-03 |
| US4231839A (en) | 1980-11-04 |
| DE3002460A1 (de) | 1980-08-21 |
| GB2040711B (en) | 1983-01-26 |
| ES488095A0 (es) | 1980-12-16 |
| ES494688A0 (es) | 1981-11-01 |
| BR8000500A (pt) | 1980-10-21 |
| FR2450809B1 (enExample) | 1984-05-18 |
| ES8101545A1 (es) | 1980-12-16 |
| JPS55102437A (en) | 1980-08-05 |
| IT1129705B (it) | 1986-06-11 |
| ES8106465A1 (es) | 1981-08-16 |
| MX155155A (es) | 1988-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |