SE409203B - Integrerat forfarande for framstellning av karbamid - Google Patents
Integrerat forfarande for framstellning av karbamidInfo
- Publication number
- SE409203B SE409203B SE7111146A SE1114671A SE409203B SE 409203 B SE409203 B SE 409203B SE 7111146 A SE7111146 A SE 7111146A SE 1114671 A SE1114671 A SE 1114671A SE 409203 B SE409203 B SE 409203B
- Authority
- SE
- Sweden
- Prior art keywords
- urea
- ammonia
- solution
- synthesis
- reactor
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 38
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 203
- 239000007789 gas Substances 0.000 claims description 85
- 229910021529 ammonia Inorganic materials 0.000 claims description 82
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 80
- 239000004202 carbamide Substances 0.000 claims description 80
- 230000015572 biosynthetic process Effects 0.000 claims description 60
- 238000003786 synthesis reaction Methods 0.000 claims description 52
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 42
- 239000000243 solution Substances 0.000 claims description 39
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 23
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 22
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 22
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 19
- 239000001569 carbon dioxide Substances 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 229910000069 nitrogen hydride Inorganic materials 0.000 claims description 15
- 238000000354 decomposition reaction Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000002250 absorbent Substances 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 9
- 238000011282 treatment Methods 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 6
- 238000006297 dehydration reaction Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 2
- 238000000629 steam reforming Methods 0.000 claims description 2
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 238000005194 fractionation Methods 0.000 claims 1
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000011084 recovery Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical compound N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004143 urea cycle Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002912 waste gas Substances 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
-
- 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
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2929570 | 1970-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE409203B true SE409203B (sv) | 1979-08-06 |
Family
ID=11226704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7111146A SE409203B (sv) | 1970-09-03 | 1971-09-02 | Integrerat forfarande for framstellning av karbamid |
Country Status (25)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2617708B1 (en) * | 2012-01-17 | 2017-08-16 | General Electric Technology GmbH | A method of forming urea by integration of an ammonia production process in a urea production process and a system therefor |
| US9428449B2 (en) * | 2013-01-16 | 2016-08-30 | Alstom Technology Ltd | Method of forming urea by integration of an ammonia production process in a urea production process and a system therefor |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT216006B (de) * | 1960-12-15 | 1961-07-10 | Stamicarbon | Verfahren zur Herstellung von Harnstoff |
| AT235305B (de) * | 1961-03-29 | 1964-08-25 | Montedison Spa | Verfahren zur Herstellung von Harnstoff |
| US3281464A (en) * | 1961-09-08 | 1966-10-25 | Lummus Co | Urea purification with recovery of ammonia and carbon dioxide |
| DE1468245A1 (de) * | 1962-02-28 | 1968-12-19 | Montedison Spa | Verfahren zur Rueckfuehrung von nicht umgesetztem Carbamat bei der Harnstoffsynthese aus Ammoniak und Kohlendioxyd |
| US3303215A (en) * | 1962-03-09 | 1967-02-07 | Toyo Koatsu Ind Inc | Synthesis of urea |
| NL290346A (enrdf_load_stackoverflow) * | 1962-03-22 | 1900-01-01 | ||
| AT244984B (de) * | 1962-03-22 | 1966-02-10 | Snam Spa | Verfahren zur Herstellung von Harnstoff aus Kohlendioxyd und Ammoniak |
| US3349126A (en) * | 1962-09-10 | 1967-10-24 | Pullman Inc | Integrated ammonia and urea process |
| NL127236C (enrdf_load_stackoverflow) * | 1964-05-29 | |||
| IL27267A (en) * | 1966-01-21 | 1970-10-30 | Montedison Spa | Process for the synthesis of urea from ammonia and carbon dioxide |
| NL148878B (nl) * | 1966-04-22 | 1976-03-15 | Stamicarbon | Werkwijze voor de continue bereiding van ureum. |
| YU34282B (en) * | 1967-12-14 | 1979-04-30 | Snam Progetti | Process for the decomposition and recyclation of unreacted ammonium carbamate into the reactor for the synthesis of carbamide |
| NL153857B (nl) * | 1967-12-21 | 1977-07-15 | Stamicarbon | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
| NL159960C (nl) * | 1967-12-21 | 1979-09-17 | Stamicarbon | Werkwijze voor de bereiding van ureum in combinatie met de synthese van ammoniak. |
| JPS4832091B1 (enrdf_load_stackoverflow) * | 1968-02-12 | 1973-10-04 | ||
| BE758646A (fr) * | 1969-11-15 | 1971-04-16 | Snam Progetti | Procede de traitement des gaz de synthese de l'ammoniac |
-
1971
- 1971-07-20 PH PH12708A patent/PH12569A/en unknown
- 1971-07-22 GB GB3453971A patent/GB1359715A/en not_active Expired
- 1971-07-26 IE IE947/71A patent/IE35705B1/xx unknown
- 1971-07-28 RO RO7167829A patent/RO69642A/ro unknown
- 1971-07-28 CA CA119,361A patent/CA997369A/en not_active Expired
- 1971-07-29 YU YU1977/71A patent/YU35112B/xx unknown
- 1971-08-06 AU AU32091/71A patent/AU473454B2/en not_active Expired
- 1971-08-19 ZA ZA715560A patent/ZA715560B/xx unknown
- 1971-08-25 CS CS6089A patent/CS178090B2/cs unknown
- 1971-08-27 FR FR7131097A patent/FR2109719A5/fr not_active Expired
- 1971-08-30 ES ES395094A patent/ES395094A1/es not_active Expired
- 1971-08-31 DE DE2143583A patent/DE2143583C3/de not_active Expired
- 1971-08-31 BE BE771979A patent/BE771979A/xx not_active IP Right Cessation
- 1971-09-01 PL PL1971150295A patent/PL94001B1/pl unknown
- 1971-09-02 LU LU63821D patent/LU63821A1/xx unknown
- 1971-09-02 TR TR17294A patent/TR17294A/xx unknown
- 1971-09-02 HU HU71SA00002336A patent/HU171341B/hu unknown
- 1971-09-02 DK DK432371AA patent/DK138849B/da not_active IP Right Cessation
- 1971-09-02 SE SE7111146A patent/SE409203B/sv unknown
- 1971-09-03 CH CH1293871A patent/CH551953A/fr not_active IP Right Cessation
- 1971-09-03 NO NO3285/71A patent/NO139959C/no unknown
- 1971-09-03 AT AT771171A patent/AT332420B/de not_active IP Right Cessation
- 1971-09-03 JP JP7167538A patent/JPS5320013B1/ja active Pending
- 1971-09-03 NL NLAANVRAGE7112192,A patent/NL178250C/xx not_active IP Right Cessation
-
1977
- 1977-12-30 MY MY248/77A patent/MY7700248A/xx unknown
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