JPS6058228B2 - 尿素の製造と水の純化とを実施する方法 - Google Patents
尿素の製造と水の純化とを実施する方法Info
- Publication number
- JPS6058228B2 JPS6058228B2 JP52105969A JP10596977A JPS6058228B2 JP S6058228 B2 JPS6058228 B2 JP S6058228B2 JP 52105969 A JP52105969 A JP 52105969A JP 10596977 A JP10596977 A JP 10596977A JP S6058228 B2 JPS6058228 B2 JP S6058228B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- decomposer
- condenser
- ammonia
- urea
- 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 description 63
- 239000004202 carbamide Substances 0.000 title claims description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 34
- 229910001868 water Inorganic materials 0.000 title claims description 28
- 238000000034 method Methods 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000746 purification Methods 0.000 title claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 91
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 64
- 239000000243 solution Substances 0.000 claims description 61
- 229910021529 ammonia Inorganic materials 0.000 claims description 42
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 32
- 239000001569 carbon dioxide Substances 0.000 claims description 30
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 24
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 24
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 21
- 239000001099 ammonium carbonate Substances 0.000 claims description 21
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 21
- 239000000047 product Substances 0.000 claims description 20
- 239000007789 gas Substances 0.000 claims description 13
- 239000011261 inert gas Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 238000003786 synthesis reaction Methods 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000007791 liquid phase Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims 1
- 239000012263 liquid product Substances 0.000 claims 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 6
- 238000000354 decomposition reaction Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/025—Thermal hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
- C02F11/08—Wet air oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/824,951 US4140408A (en) | 1976-08-20 | 1977-08-15 | Push type mechanical pencil |
| GB34881/77A GB1529117A (en) | 1976-08-20 | 1977-08-19 | Push type mechanical pencil |
| DE2737538A DE2737538C2 (de) | 1976-08-20 | 1977-08-19 | Druckstift |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT27024A/76 | 1976-09-09 | ||
| IT27024/76A IT1068268B (it) | 1976-09-09 | 1976-09-09 | Procedimento per la produzione di urea e purificazione delle acque |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5334721A JPS5334721A (en) | 1978-03-31 |
| JPS6058228B2 true JPS6058228B2 (ja) | 1985-12-19 |
Family
ID=11220800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP52105969A Expired JPS6058228B2 (ja) | 1976-08-20 | 1977-09-05 | 尿素の製造と水の純化とを実施する方法 |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US4314077A (en, 2012) |
| JP (1) | JPS6058228B2 (en, 2012) |
| AR (1) | AR219502A1 (en, 2012) |
| AU (1) | AU511880B2 (en, 2012) |
| BE (1) | BE858574A (en, 2012) |
| BR (1) | BR7706063A (en, 2012) |
| CA (1) | CA1106404A (en, 2012) |
| CH (1) | CH625505A5 (en, 2012) |
| CS (1) | CS205083B2 (en, 2012) |
| DD (1) | DD133091A5 (en, 2012) |
| DE (1) | DE2740358C2 (en, 2012) |
| DK (1) | DK399577A (en, 2012) |
| ES (1) | ES462234A1 (en, 2012) |
| FR (1) | FR2364203A1 (en, 2012) |
| GB (1) | GB1542371A (en, 2012) |
| IE (1) | IE45681B1 (en, 2012) |
| IN (1) | IN147029B (en, 2012) |
| IT (1) | IT1068268B (en, 2012) |
| LU (1) | LU78097A1 (en, 2012) |
| MX (1) | MX150529A (en, 2012) |
| NL (1) | NL7709968A (en, 2012) |
| PL (1) | PL116475B1 (en, 2012) |
| SE (1) | SE425972B (en, 2012) |
| YU (1) | YU39132B (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10651280B2 (en) | 2018-03-02 | 2020-05-12 | Kabushiki Kaisha Toshiba | Silicon carbide semiconductor device |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1141030B (it) * | 1980-08-29 | 1986-10-01 | Snam Progetti | Procedimento per la produzione di urea |
| NL8102391A (nl) * | 1981-05-15 | 1982-12-01 | Unie Van Kunstmestfab Bv | Werkwijze voor het winnen van waardevolle bestanddelen uit de afvalstromen verkregen bij de ureumbereiding. |
| IT1211125B (it) * | 1981-10-16 | 1989-09-29 | Ortu Francesco | Composti azotati. processo per la preparazione di |
| JPS5867661A (ja) * | 1981-10-16 | 1983-04-22 | Mitsui Toatsu Chem Inc | 尿素合成法 |
| JPS61109760A (ja) * | 1984-11-02 | 1986-05-28 | Toyo Eng Corp | 尿素製造法 |
| NL8502227A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| NL8502228A (nl) * | 1985-08-12 | 1987-03-02 | Unie Van Kunstmestfab Bv | Werkwijze voor de bereiding van ureum. |
| JPS63112552A (ja) * | 1986-10-30 | 1988-05-17 | Toyo Eng Corp | 未転化物の分離方法 |
| IT1232669B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la produzione di urea con elevato rendimento energetico. |
| IT1232670B (it) * | 1989-09-15 | 1992-03-02 | Snam Progetti | Procedimento per la purificazione delle acque reflue prodotte dagli impianti di produzione dell'urea. |
| JP2000054950A (ja) * | 1998-06-05 | 2000-02-22 | Hanako Narutomi | 常温度熱機関 |
| US6511644B1 (en) | 2000-08-28 | 2003-01-28 | The Chemithon Corporation | Method for removing contaminants in reactors |
| US6761868B2 (en) * | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
| NL1019848C2 (nl) * | 2002-01-28 | 2003-07-30 | Dsm Nv | Werkwijze voor de bereiding van ureum. |
| US6887449B2 (en) * | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
| US6990691B2 (en) * | 2003-07-18 | 2006-01-31 | Depuy Products, Inc. | Head gear apparatus |
| EP1918273A1 (en) * | 2006-11-04 | 2008-05-07 | Urea Casale S.A. | Process for urea production and related plant |
| EP2128129A1 (en) | 2008-05-20 | 2009-12-02 | Urea Casale S.A. | Method for the modernization of a urea production plant |
| EP2199279A1 (en) | 2008-12-17 | 2010-06-23 | Urea Casale S.A. | Improvement to the high-pressure loop in a process for synthesis of urea |
| EP2397463A1 (en) * | 2010-06-16 | 2011-12-21 | Urea Casale SA | Method for revamping a self-stripping urea plant |
| EP2502881A1 (en) | 2011-03-24 | 2012-09-26 | Urea Casale S.A. | Process and plant for ammonia-urea production |
| ITMI20120013A1 (it) | 2012-01-09 | 2013-07-10 | Saipem Spa | Procedimento per la sintesi di urea comprendente un flusso di passivazione a fondo stripper |
| EP2784062A1 (en) | 2013-03-27 | 2014-10-01 | Urea Casale SA | Method for revamping a self-stripping urea plant |
| EP3436430B1 (en) | 2016-03-30 | 2020-09-16 | Stamicarbon B.V. | Urea production with bi-pressurized synthesis |
| LT3452212T (lt) | 2016-05-03 | 2020-04-10 | Stamicarbon B.V. | Karbamido gamyba su kontroliuojamu biuretu |
| CN109153638B (zh) | 2016-05-03 | 2019-10-01 | 斯塔米卡邦有限公司 | 尿素生产中控制缩二脲 |
| JP7088770B2 (ja) | 2018-07-26 | 2022-06-21 | 東洋エンジニアリング株式会社 | 尿素製造方法および装置 |
| JP7094453B2 (ja) * | 2018-12-21 | 2022-07-01 | スタミカーボン・ベー・フェー | 尿素製造プロセス及び低圧回収部における熱統合を有するプラント |
| CN113603113B (zh) * | 2021-09-17 | 2024-08-02 | 浙江建业微电子材料有限公司 | 一种适用于电子级氨气与氨水的生产装置及其生产方法 |
| EP4482822A1 (en) | 2022-02-21 | 2025-01-01 | Stamicarbon B.V. | Low biuret urea production |
| WO2024172703A1 (ru) * | 2023-02-16 | 2024-08-22 | Акционерное общество "Научно-исследовательский и проектный институт карбамида и продуктов органического синтеза" (АО "НИИК") | Способ и установка для получения карбамида |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE581293A (en, 2012) * | 1958-08-08 | 1900-01-01 | ||
| CH468356A (de) * | 1966-04-05 | 1969-02-15 | Inventa Ag | Verfahren zur Aufarbeitung des bei der Synthese von Harnstoff aus Ammoniak und Kohlendioxyd in einem Synthesereaktor bei erhöhtem Druck und erhöhter Temperatur erhaltenen Synthesegemisches |
| US3876696A (en) * | 1968-09-03 | 1975-04-08 | Snam Progetti | Process for the production of urea having a low carbamate content |
| US4036878A (en) * | 1972-06-12 | 1977-07-19 | Unie Van Kunstmestfabrieken, B.V. | Process for preparing urea |
| US3826815A (en) * | 1972-06-21 | 1974-07-30 | I Mavrovic | Recovery of residual ammonia from weak aqueous solutions thereof |
| JPS5535378B2 (en, 2012) * | 1973-02-14 | 1980-09-12 | ||
| US3922222A (en) * | 1973-02-20 | 1975-11-25 | Cf Ind | Method for treatment of urea crystallizer condensate |
| IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
| US4082797A (en) * | 1975-04-23 | 1978-04-04 | Snamprogetti, S.P.A. | Method for the condensation of carbammate in urea-synthesis installations |
| AR206244A1 (es) * | 1975-05-06 | 1976-07-07 | Mitsui Toatsu Chemicals | Procedimiento para tratar vapor de agua generado al concentrar una solucion acuosa de urea |
| JPS5268129A (en) * | 1975-12-05 | 1977-06-06 | Mitsui Toatsu Chem Inc | Recovery of unreacted material and heat on urea synthesis |
-
1976
- 1976-09-09 IT IT27024/76A patent/IT1068268B/it active
-
1977
- 1977-08-04 CA CA284,053A patent/CA1106404A/en not_active Expired
- 1977-08-05 AU AU27673/77A patent/AU511880B2/en not_active Expired
- 1977-08-18 IN IN1283/CAL/77A patent/IN147029B/en unknown
- 1977-08-31 CS CS775684A patent/CS205083B2/cs unknown
- 1977-08-31 MX MX170424A patent/MX150529A/es unknown
- 1977-09-01 PL PL1977200608A patent/PL116475B1/pl not_active IP Right Cessation
- 1977-09-02 ES ES462234A patent/ES462234A1/es not_active Expired
- 1977-09-05 JP JP52105969A patent/JPS6058228B2/ja not_active Expired
- 1977-09-06 YU YU02125/77A patent/YU39132B/xx unknown
- 1977-09-07 DE DE2740358A patent/DE2740358C2/de not_active Expired
- 1977-09-07 LU LU78097A patent/LU78097A1/xx unknown
- 1977-09-07 DD DD7700200918A patent/DD133091A5/xx unknown
- 1977-09-08 DK DK399577A patent/DK399577A/da not_active Application Discontinuation
- 1977-09-08 FR FR7727215A patent/FR2364203A1/fr active Granted
- 1977-09-08 GB GB7737615A patent/GB1542371A/en not_active Expired
- 1977-09-09 AR AR269158A patent/AR219502A1/es active
- 1977-09-09 BE BE180806A patent/BE858574A/xx not_active IP Right Cessation
- 1977-09-09 BR BR7706063A patent/BR7706063A/pt unknown
- 1977-09-09 NL NL7709968A patent/NL7709968A/xx not_active Application Discontinuation
- 1977-09-09 CH CH1108777A patent/CH625505A5/it not_active IP Right Cessation
- 1977-09-09 SE SE7710151A patent/SE425972B/xx not_active IP Right Cessation
- 1977-09-09 IE IE1872/77A patent/IE45681B1/en unknown
-
1980
- 1980-12-15 US US06/216,303 patent/US4314077A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10651280B2 (en) | 2018-03-02 | 2020-05-12 | Kabushiki Kaisha Toshiba | Silicon carbide semiconductor device |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7709968A (nl) | 1978-03-13 |
| IE45681B1 (en) | 1982-10-20 |
| YU39132B (en) | 1984-06-30 |
| FR2364203B1 (en, 2012) | 1980-03-14 |
| IN147029B (en, 2012) | 1979-10-27 |
| AR219502A1 (es) | 1980-08-29 |
| FR2364203A1 (fr) | 1978-04-07 |
| MX150529A (es) | 1984-05-22 |
| IT1068268B (it) | 1985-03-21 |
| YU212577A (en) | 1982-08-31 |
| LU78097A1 (en, 2012) | 1978-01-23 |
| PL200608A1 (pl) | 1978-05-22 |
| BE858574A (fr) | 1978-03-09 |
| CA1106404A (en) | 1981-08-04 |
| PL116475B1 (en) | 1981-06-30 |
| ES462234A1 (es) | 1978-06-01 |
| DE2740358A1 (de) | 1978-03-16 |
| JPS5334721A (en) | 1978-03-31 |
| CS205083B2 (en) | 1981-04-30 |
| DK399577A (da) | 1978-03-10 |
| DD133091A5 (de) | 1978-12-06 |
| AU511880B2 (en) | 1980-09-11 |
| GB1542371A (en) | 1979-03-21 |
| AU2767377A (en) | 1979-05-03 |
| CH625505A5 (en, 2012) | 1981-09-30 |
| IE45681L (en) | 1978-03-09 |
| SE7710151L (sv) | 1978-03-10 |
| US4314077A (en) | 1982-02-02 |
| BR7706063A (pt) | 1978-06-06 |
| SE425972B (sv) | 1982-11-29 |
| DE2740358C2 (de) | 1982-07-01 |
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