CH645614A5 - Procedimento per eliminare l'esplosivita dei gas di spurgo da impianti per la produzione di urea. - Google Patents
Procedimento per eliminare l'esplosivita dei gas di spurgo da impianti per la produzione di urea. Download PDFInfo
- Publication number
- CH645614A5 CH645614A5 CH618280A CH618280A CH645614A5 CH 645614 A5 CH645614 A5 CH 645614A5 CH 618280 A CH618280 A CH 618280A CH 618280 A CH618280 A CH 618280A CH 645614 A5 CH645614 A5 CH 645614A5
- Authority
- CH
- Switzerland
- Prior art keywords
- ammonia
- plants
- production
- urea
- gases
- Prior art date
Links
- 239000007789 gas Substances 0.000 title claims description 39
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 15
- 239000004202 carbamide Substances 0.000 title claims description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 238000000034 method Methods 0.000 title claims description 5
- 230000000740 bleeding effect Effects 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 73
- 229910021529 ammonia Inorganic materials 0.000 claims description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 238000010926 purge Methods 0.000 claims description 7
- 238000000629 steam reforming Methods 0.000 claims description 5
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000003345 natural gas Substances 0.000 claims description 2
- 150000002829 nitrogen Chemical class 0.000 claims description 2
- 239000000470 constituent Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 239000002360 explosive Substances 0.000 description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 description 9
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 4
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 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
- C07C273/10—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 combined with the synthesis of ammonia
-
- 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)
- Treating Waste Gases (AREA)
- Measuring Volume Flow (AREA)
- Gas Separation By Absorption (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT26546/79A IT1193245B (it) | 1979-10-17 | 1979-10-17 | Procedimento per eliminare l'esplosivita' dei gas di spurgo da impianti per la produzione di urea |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH645614A5 true CH645614A5 (it) | 1984-10-15 |
Family
ID=11219741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH618280A CH645614A5 (it) | 1979-10-17 | 1980-08-15 | Procedimento per eliminare l'esplosivita dei gas di spurgo da impianti per la produzione di urea. |
Country Status (34)
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1457776A (fr) * | 1964-10-16 | 1966-01-24 | Allied Chem | Procédé pour réduire la corrosion dans un épurateur de gaz au cours de la séparation de l'anhydride carbonique et de l'ammoniac de leurs mélanges avec la vapeur d'eau |
| NL165712C (nl) * | 1970-05-30 | 1981-05-15 | Stamicarbon | Werkwijze en inrichting voor het bij synthesedruk terug- winnen van ammoniak en kooldioxyde uit het spuigas van een ureumsynthese. |
| JPS54151917A (en) * | 1978-05-20 | 1979-11-29 | Mitsui Toatsu Chem Inc | Elimination of explosiveness of tail gas of urea preparation process |
-
1979
- 1979-10-17 IT IT26546/79A patent/IT1193245B/it active
-
1980
- 1980-08-07 AU AU61159/80A patent/AU531020B2/en not_active Ceased
- 1980-08-11 ZA ZA00804883A patent/ZA804883B/xx unknown
- 1980-08-11 CA CA357,996A patent/CA1132798A/en not_active Expired
- 1980-08-12 AT AT0413380A patent/AT373233B/de not_active IP Right Cessation
- 1980-08-12 GR GR62650A patent/GR69799B/el unknown
- 1980-08-13 GB GB8026434A patent/GB2060614B/en not_active Expired
- 1980-08-15 CH CH618280A patent/CH645614A5/it not_active IP Right Cessation
- 1980-08-15 ZW ZW191/80A patent/ZW19180A1/xx unknown
- 1980-08-16 IN IN934/CAL/80A patent/IN155187B/en unknown
- 1980-08-19 LU LU82721A patent/LU82721A1/fr unknown
- 1980-08-19 IL IL60869A patent/IL60869A/xx unknown
- 1980-08-19 MW MW32/80A patent/MW3280A1/xx unknown
- 1980-08-20 EG EG80511A patent/EG14581A/xx active
- 1980-08-20 FR FR8018243A patent/FR2467844A1/fr not_active Withdrawn
- 1980-08-21 NO NO802480A patent/NO150720C/no unknown
- 1980-08-21 RO RO80102019A patent/RO80862A/ro unknown
- 1980-08-22 PH PH24478A patent/PH16344A/en unknown
- 1980-08-25 JP JP11604680A patent/JPS5663951A/ja active Pending
- 1980-08-26 TR TR21459A patent/TR21459A/xx unknown
- 1980-08-26 DE DE3032175A patent/DE3032175C2/de not_active Expired
- 1980-08-27 PT PT71749A patent/PT71749B/pt unknown
- 1980-08-27 AR AR282329A patent/AR221169A1/es active
- 1980-08-27 SE SE8006001A patent/SE439009B/sv unknown
- 1980-08-27 PL PL1980226435A patent/PL125631B1/pl unknown
- 1980-08-28 BR BR8005542A patent/BR8005542A/pt unknown
- 1980-08-28 DK DK367280A patent/DK367280A/da not_active Application Discontinuation
- 1980-08-28 ZM ZM69/80A patent/ZM6980A1/xx unknown
- 1980-08-28 CS CS805887A patent/CS222660B2/cs unknown
- 1980-08-29 DD DD80223619A patent/DD156596A5/de unknown
- 1980-08-29 BE BE0/201914A patent/BE884987A/fr not_active IP Right Cessation
- 1980-08-29 NL NL8004942A patent/NL8004942A/nl not_active Application Discontinuation
- 1980-08-29 ES ES495042A patent/ES495042A0/es active Granted
-
1985
- 1985-12-30 MY MY105/85A patent/MY8500105A/xx unknown
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |