DE2206615B2 - Vorrichtung zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid - Google Patents
Vorrichtung zur Herstellung von Harnstoff aus Ammoniak und KohlendioxidInfo
- Publication number
- DE2206615B2 DE2206615B2 DE2206615A DE2206615A DE2206615B2 DE 2206615 B2 DE2206615 B2 DE 2206615B2 DE 2206615 A DE2206615 A DE 2206615A DE 2206615 A DE2206615 A DE 2206615A DE 2206615 B2 DE2206615 B2 DE 2206615B2
- Authority
- DE
- Germany
- Prior art keywords
- urea
- ammonia
- carbon dioxide
- nickel
- materials
- 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.)
- Withdrawn
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 24
- 239000004202 carbamide Substances 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title description 26
- 229910002092 carbon dioxide Inorganic materials 0.000 title description 16
- 229910021529 ammonia Inorganic materials 0.000 title description 13
- 239000001569 carbon dioxide Substances 0.000 title description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 16
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 16
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 16
- 239000011651 chromium Substances 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 40
- 238000005260 corrosion Methods 0.000 description 14
- 230000007797 corrosion Effects 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 14
- 229910019932 CrNiMo Inorganic materials 0.000 description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 239000001301 oxygen Substances 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- 229910001149 41xx steel Inorganic materials 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000004035 construction material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 150000003464 sulfur compounds Chemical class 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
-
- 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
-
- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/025—Apparatus characterised by their chemically-resistant properties characterised by the construction materials of the reactor vessel proper
- B01J2219/0277—Metal based
- B01J2219/0286—Steel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7101951,A NL169588C (nl) | 1971-02-13 | 1971-02-13 | Werkwijze voor het bij verhoogde van ammoniumcarbamaat bevattende oplossingen. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2206615A1 DE2206615A1 (de) | 1972-08-31 |
| DE2206615B2 true DE2206615B2 (de) | 1980-05-29 |
Family
ID=19812478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2206615A Withdrawn DE2206615B2 (de) | 1971-02-13 | 1972-02-11 | Vorrichtung zur Herstellung von Harnstoff aus Ammoniak und Kohlendioxid |
Country Status (20)
| Country | Link |
|---|---|
| AU (1) | AU463665B2 (enExample) |
| BE (1) | BE779258A (enExample) |
| BR (1) | BR7200837D0 (enExample) |
| CA (1) | CA966638A (enExample) |
| CS (1) | CS163267B2 (enExample) |
| DD (1) | DD95368A5 (enExample) |
| DE (1) | DE2206615B2 (enExample) |
| ES (1) | ES399672A1 (enExample) |
| FR (1) | FR2125445B1 (enExample) |
| GB (1) | GB1333544A (enExample) |
| HU (1) | HU173919B (enExample) |
| IE (1) | IE36076B1 (enExample) |
| IT (1) | IT948491B (enExample) |
| NL (1) | NL169588C (enExample) |
| NO (1) | NO137010C (enExample) |
| RO (1) | RO63301A (enExample) |
| SE (1) | SE387336B (enExample) |
| TR (1) | TR18774A (enExample) |
| ZA (1) | ZA72781B (enExample) |
| ZM (1) | ZM2772A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8304381A (nl) * | 1983-12-21 | 1985-07-16 | Stamicarbon | Werkwijze en inrichting voor het bereiden van melamine. |
| JPS63121641A (ja) * | 1986-11-10 | 1988-05-25 | Nippon Yakin Kogyo Co Ltd | オ−ステナイトステンレス鋼製シ−ズヒ−タ外部被覆 |
| EP1921043B1 (en) | 2006-11-01 | 2012-01-18 | Mitsubishi Gas Chemical Company, Inc. | Method of recovering ammonia and process for producing a nitrile compound making use of the ammonia recovery method |
| CN117165862A (zh) | 2019-07-05 | 2023-12-05 | 斯塔米卡邦有限公司 | 尿素装置中的铁素体钢部件 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1986973A (en) * | 1930-11-17 | 1935-01-08 | Du Pont | Prevention of corrosion in urea synthesis |
| US2129689A (en) * | 1936-12-04 | 1938-09-13 | Du Pont | Urea manufacture |
| US2183715A (en) * | 1938-05-21 | 1939-12-19 | Electro Metallurg Co | Corrosion resistant steel alloy |
| US2624671A (en) * | 1951-01-19 | 1953-01-06 | Union Carbide & Carbon Corp | Ferritic chromium steels |
| GB1183656A (en) * | 1967-03-15 | 1970-03-11 | Du Pont | Ductile Corrosion-Resistant Alloys. |
-
1971
- 1971-02-13 TR TR18774A patent/TR18774A/xx unknown
- 1971-02-13 NL NLAANVRAGE7101951,A patent/NL169588C/xx not_active IP Right Cessation
-
1972
- 1972-02-07 ZA ZA720781A patent/ZA72781B/xx unknown
- 1972-02-08 CA CA134,144A patent/CA966638A/en not_active Expired
- 1972-02-09 GB GB615572A patent/GB1333544A/en not_active Expired
- 1972-02-09 AU AU38813/72A patent/AU463665B2/en not_active Expired
- 1972-02-09 IT IT48234/72A patent/IT948491B/it active
- 1972-02-10 IE IE164/72A patent/IE36076B1/xx unknown
- 1972-02-10 HU HU72SA2312A patent/HU173919B/hu unknown
- 1972-02-10 SE SE7201605A patent/SE387336B/xx unknown
- 1972-02-11 ES ES399672A patent/ES399672A1/es not_active Expired
- 1972-02-11 ZM ZM27/72*UA patent/ZM2772A1/xx unknown
- 1972-02-11 NO NO403/72A patent/NO137010C/no unknown
- 1972-02-11 DD DD160843A patent/DD95368A5/xx unknown
- 1972-02-11 BE BE779258A patent/BE779258A/xx not_active IP Right Cessation
- 1972-02-11 DE DE2206615A patent/DE2206615B2/de not_active Withdrawn
- 1972-02-11 BR BR837/72A patent/BR7200837D0/pt unknown
- 1972-02-14 FR FR7204826A patent/FR2125445B1/fr not_active Expired
- 1972-02-14 CS CS914A patent/CS163267B2/cs unknown
- 1972-02-14 RO RO7200069761A patent/RO63301A/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2125445A1 (enExample) | 1972-09-29 |
| IE36076B1 (en) | 1976-08-04 |
| CS163267B2 (enExample) | 1975-08-29 |
| ZM2772A1 (en) | 1973-02-21 |
| AU3881372A (en) | 1973-08-16 |
| GB1333544A (en) | 1973-10-10 |
| FR2125445B1 (enExample) | 1977-07-15 |
| DE2206615A1 (de) | 1972-08-31 |
| IT948491B (it) | 1973-05-30 |
| NL169588C (nl) | 1982-08-02 |
| NO137010B (no) | 1977-09-05 |
| IE36076L (en) | 1972-08-13 |
| ZA72781B (en) | 1972-10-25 |
| NO137010C (no) | 1977-12-14 |
| AU463665B2 (en) | 1975-07-31 |
| SE387336B (sv) | 1976-09-06 |
| DD95368A5 (enExample) | 1973-02-05 |
| HU173919B (hu) | 1979-09-28 |
| TR18774A (tr) | 1977-08-23 |
| RO63301A (fr) | 1978-07-15 |
| ES399672A1 (es) | 1976-05-01 |
| NL7101951A (enExample) | 1972-08-15 |
| CA966638A (en) | 1975-04-29 |
| NL169588B (nl) | 1982-03-01 |
| BE779258A (fr) | 1972-08-11 |
| BR7200837D0 (pt) | 1973-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8228 | New agent |
Free format text: ZUMSTEIN SEN., F., DR. ASSMANN, E., DIPL.-CHEM. DR.RER.NAT. ZUMSTEIN JUN., F., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
| 8230 | Patent withdrawn |