PL116665B1 - Method of manufacture of urea in process combined with ammonia manufacture - Google Patents
Method of manufacture of urea in process combined with ammonia manufacture Download PDFInfo
- Publication number
- PL116665B1 PL116665B1 PL1979214649A PL21464979A PL116665B1 PL 116665 B1 PL116665 B1 PL 116665B1 PL 1979214649 A PL1979214649 A PL 1979214649A PL 21464979 A PL21464979 A PL 21464979A PL 116665 B1 PL116665 B1 PL 116665B1
- Authority
- PL
- Poland
- Prior art keywords
- ammonia
- urea
- solution
- carbamate
- liquid
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims description 127
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 56
- 239000004202 carbamide Substances 0.000 title claims description 56
- 229910021529 ammonia Inorganic materials 0.000 title claims description 49
- 238000000034 method Methods 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 72
- 239000000243 solution Substances 0.000 claims description 49
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 46
- 230000015572 biosynthetic process Effects 0.000 claims description 29
- 238000003786 synthesis reaction Methods 0.000 claims description 29
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 27
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 25
- 239000006096 absorbing agent Substances 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 239000001569 carbon dioxide Substances 0.000 claims description 13
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 12
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 claims description 12
- 239000001099 ammonium carbonate Substances 0.000 claims description 12
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 12
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000000629 steam reforming Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 2
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 24
- 238000000354 decomposition reaction Methods 0.000 description 14
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 12
- 239000000203 mixture Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- -1 carbamate anion Chemical class 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance 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
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 |
|---|---|---|---|
| IT21993/78A IT1094295B (it) | 1978-04-05 | 1978-04-05 | Procedimento integrato ammoniaca-urea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL214649A1 PL214649A1 (pl) | 1979-12-17 |
| PL116665B1 true PL116665B1 (en) | 1981-06-30 |
Family
ID=11189914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1979214649A PL116665B1 (en) | 1978-04-05 | 1979-04-03 | Method of manufacture of urea in process combined with ammonia manufacture |
Country Status (23)
| Country | Link |
|---|---|
| JP (1) | JPS54132525A (it) |
| AU (1) | AU519817B2 (it) |
| BE (1) | BE875346A (it) |
| BR (1) | BR7902122A (it) |
| CA (1) | CA1110659A (it) |
| CH (1) | CH637633A5 (it) |
| CS (1) | CS230563B2 (it) |
| DD (1) | DD142709A5 (it) |
| DE (1) | DE2913793C3 (it) |
| DK (1) | DK139179A (it) |
| EG (1) | EG13847A (it) |
| ES (1) | ES479940A1 (it) |
| FR (1) | FR2421847A1 (it) |
| GB (1) | GB2018249B (it) |
| IE (1) | IE48099B1 (it) |
| IN (1) | IN150631B (it) |
| IT (1) | IT1094295B (it) |
| LU (1) | LU81113A1 (it) |
| MX (1) | MX151216A (it) |
| NL (1) | NL7902566A (it) |
| PL (1) | PL116665B1 (it) |
| SE (1) | SE432591B (it) |
| SU (1) | SU1225485A3 (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4832091B1 (it) * | 1968-02-12 | 1973-10-04 | ||
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
| IT1034674B (it) * | 1975-03-28 | 1979-10-10 | Snam Progetti | Processo flessibile intergrato per la produzione di ammoniaca edurea |
| IT1065422B (it) * | 1976-12-23 | 1985-02-25 | Snam Progetti | Processo ammoniaca-urea integrato per la produzione di urea |
-
1978
- 1978-04-05 IT IT21993/78A patent/IT1094295B/it active
-
1979
- 1979-03-07 AU AU44876/79A patent/AU519817B2/en not_active Ceased
- 1979-03-08 CA CA323,007A patent/CA1110659A/en not_active Expired
- 1979-03-15 GB GB7909086A patent/GB2018249B/en not_active Expired
- 1979-03-24 IN IN289/CAL/79A patent/IN150631B/en unknown
- 1979-03-28 EG EG195/79A patent/EG13847A/xx active
- 1979-03-28 FR FR7907848A patent/FR2421847A1/fr active Granted
- 1979-03-29 JP JP3633279A patent/JPS54132525A/ja active Pending
- 1979-03-30 ES ES479940A patent/ES479940A1/es not_active Expired
- 1979-04-02 NL NL7902566A patent/NL7902566A/xx not_active Application Discontinuation
- 1979-04-03 DD DD79211973A patent/DD142709A5/de unknown
- 1979-04-03 PL PL1979214649A patent/PL116665B1/pl unknown
- 1979-04-03 LU LU81113A patent/LU81113A1/xx unknown
- 1979-04-04 CS CS792292A patent/CS230563B2/cs unknown
- 1979-04-04 CH CH313979A patent/CH637633A5/it not_active IP Right Cessation
- 1979-04-04 MX MX177195A patent/MX151216A/es unknown
- 1979-04-04 SE SE7903018A patent/SE432591B/sv not_active IP Right Cessation
- 1979-04-04 SU SU792749003A patent/SU1225485A3/ru active
- 1979-04-04 DK DK139179A patent/DK139179A/da not_active IP Right Cessation
- 1979-04-05 BE BE0/194424A patent/BE875346A/xx not_active IP Right Cessation
- 1979-04-05 BR BR7902122A patent/BR7902122A/pt unknown
- 1979-04-05 DE DE2913793A patent/DE2913793C3/de not_active Expired
- 1979-08-08 IE IE706/79A patent/IE48099B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7902122A (pt) | 1979-12-04 |
| IT7821993A0 (it) | 1978-04-05 |
| GB2018249A (en) | 1979-10-17 |
| JPS54132525A (en) | 1979-10-15 |
| ES479940A1 (es) | 1979-12-01 |
| DK139179A (da) | 1979-10-06 |
| MX151216A (es) | 1984-10-11 |
| CH637633A5 (it) | 1983-08-15 |
| IE790706L (en) | 1979-10-05 |
| FR2421847A1 (fr) | 1979-11-02 |
| NL7902566A (nl) | 1979-10-09 |
| SE7903018L (sv) | 1979-10-06 |
| AU519817B2 (en) | 1981-12-24 |
| GB2018249B (en) | 1982-09-02 |
| EG13847A (en) | 1982-12-31 |
| CS230563B2 (en) | 1984-08-13 |
| DE2913793C3 (de) | 1981-05-27 |
| SU1225485A3 (ru) | 1986-04-15 |
| SE432591B (sv) | 1984-04-09 |
| IN150631B (it) | 1982-11-20 |
| DE2913793A1 (de) | 1979-10-11 |
| AU4487679A (en) | 1979-10-18 |
| DD142709A5 (de) | 1980-07-09 |
| FR2421847B1 (it) | 1982-10-22 |
| IE48099B1 (en) | 1984-09-19 |
| IT1094295B (it) | 1985-07-26 |
| DE2913793B2 (de) | 1980-06-04 |
| LU81113A1 (fr) | 1979-06-19 |
| CA1110659A (en) | 1981-10-13 |
| PL214649A1 (pl) | 1979-12-17 |
| BE875346A (fr) | 1979-10-05 |
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