JPS629301Y2 - - Google Patents
Info
- Publication number
- JPS629301Y2 JPS629301Y2 JP1984178278U JP17827884U JPS629301Y2 JP S629301 Y2 JPS629301 Y2 JP S629301Y2 JP 1984178278 U JP1984178278 U JP 1984178278U JP 17827884 U JP17827884 U JP 17827884U JP S629301 Y2 JPS629301 Y2 JP S629301Y2
- Authority
- JP
- Japan
- Prior art keywords
- ammonia
- urea
- gas
- zone
- decarboxylation
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 102
- 229910021529 ammonia Inorganic materials 0.000 claims description 44
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 37
- 239000004202 carbamide Substances 0.000 claims description 37
- 230000015572 biosynthetic process Effects 0.000 claims description 25
- 238000003786 synthesis reaction Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000010521 absorption reaction Methods 0.000 claims description 21
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 11
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 8
- 238000006114 decarboxylation reaction Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 46
- 239000000203 mixture Substances 0.000 description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- 238000002407 reforming Methods 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 235000012501 ammonium carbonate Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- PPBAJDRXASKAGH-UHFFFAOYSA-N azane;urea Chemical class N.NC(N)=O PPBAJDRXASKAGH-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002211 methanization Effects 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005406 washing 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
- C07C273/10—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
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0458—Separation of NH3
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0488—Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation
-
- 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
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21778/75A IT1034674B (it) | 1975-03-28 | 1975-03-28 | Processo flessibile intergrato per la produzione di ammoniaca edurea |
IT21778-A/75 | 1975-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60113340U JPS60113340U (ja) | 1985-07-31 |
JPS629301Y2 true JPS629301Y2 ( ) | 1987-03-04 |
Family
ID=11186718
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51032741A Pending JPS51118725A (en) | 1975-03-28 | 1976-03-26 | Combined process for manufacture of flexible ammonia and urea |
JP1984178278U Granted JPS60113340U (ja) | 1975-03-28 | 1984-11-26 | アンモニアおよび尿素の一体製造装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51032741A Pending JPS51118725A (en) | 1975-03-28 | 1976-03-26 | Combined process for manufacture of flexible ammonia and urea |
Country Status (34)
Country | Link |
---|---|
US (1) | US4320103A ( ) |
JP (2) | JPS51118725A ( ) |
AR (1) | AR208429A1 ( ) |
BE (1) | BE840105A ( ) |
BG (1) | BG28258A3 ( ) |
BR (1) | BR7601880A ( ) |
CA (1) | CA1120693A ( ) |
CH (1) | CH620902A5 ( ) |
CS (1) | CS238355B2 ( ) |
DD (1) | DD123594A5 ( ) |
DE (1) | DE2613102C2 ( ) |
DK (1) | DK142361B ( ) |
EG (1) | EG12091A ( ) |
ES (1) | ES446621A1 ( ) |
FR (1) | FR2305391A1 ( ) |
GB (1) | GB1520561A ( ) |
HU (1) | HU179298B ( ) |
IE (1) | IE43359B1 ( ) |
IL (1) | IL49300A ( ) |
IN (1) | IN144386B ( ) |
IT (1) | IT1034674B ( ) |
LU (1) | LU74662A1 ( ) |
MW (1) | MW976A1 ( ) |
MY (1) | MY8100068A ( ) |
NL (1) | NL169178C ( ) |
NO (1) | NO150557C ( ) |
PH (1) | PH13180A ( ) |
PL (1) | PL106566B1 ( ) |
PT (1) | PT64955B ( ) |
SE (1) | SE423539B ( ) |
TR (1) | TR18737A ( ) |
YU (1) | YU40644B ( ) |
ZA (1) | ZA761794B ( ) |
ZM (1) | ZM3776A1 ( ) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1115610B (it) * | 1977-03-03 | 1986-02-03 | Snam Progetti | Procedimento integrato urea-ammoniaca |
IT1094295B (it) * | 1978-04-05 | 1985-07-26 | Snam Progetti | Procedimento integrato ammoniaca-urea |
US4869887A (en) * | 1987-10-30 | 1989-09-26 | Dijk Christiaan P Van | Integrated ammonia-urea process |
US4988491A (en) * | 1989-04-11 | 1991-01-29 | Christiaan Van Dijk | Flexible integration of the production of ammonia and urea |
EP0891968B1 (en) * | 1997-06-26 | 2003-06-04 | Urea Casale S.A. | Process for reducing the residual free ammonia emissions from an urea production plant |
EP0905127B1 (en) * | 1997-09-20 | 2001-11-28 | Urea Casale S.A. | Process for combined production of ammonia and urea |
DE69908548T2 (de) | 1999-03-31 | 2004-04-29 | Urea Casale S.A. | Verfahren zur gleichzeitigen Modernisierung einer Ammoniakherstellungsanlage und einer Harnstoffherstellungsanlage |
US6511644B1 (en) * | 2000-08-28 | 2003-01-28 | The Chemithon Corporation | Method for removing contaminants in reactors |
EP1188710A3 (en) * | 2000-09-15 | 2003-10-29 | Haldor Topsoe A/S | Process for the integrated preparation of ammonia and urea |
RU2460569C1 (ru) * | 2011-02-10 | 2012-09-10 | Эдуард Владимирович Юрьев | Способ модернизации сепарационного узла газового (варианты) и сепаратор газовый (варианты) |
US8987513B2 (en) | 2011-12-15 | 2015-03-24 | Mitsubishi Heavy Industries, Ltd. | Operation method of urea production plant including multiple systems |
AU2013282904B2 (en) | 2012-06-27 | 2016-11-03 | Grannus, Llc | Polygeneration production of power and fertilizer through emissions capture |
WO2017096337A1 (en) | 2015-12-04 | 2017-06-08 | Grannus, Llc | Polygeneration production of hydrogen for use in various industrial processes |
DE102015121756A1 (de) | 2015-12-14 | 2017-06-14 | Thyssenkrupp Ag | Verfahren zur Bereitstellung von Kohlendioxid für die Synthese von Harnstoff |
DE102016203277A1 (de) | 2016-02-29 | 2017-08-31 | Thyssenkrupp Ag | Integrierte Synthese von Ammoniak und Harnstoff |
DE102016122374A1 (de) | 2016-11-21 | 2018-05-24 | Thyssenkrupp Ag | Vollintegrierter Ammoniak-Harnstoff-Komplex |
EP3366645A1 (en) | 2017-02-28 | 2018-08-29 | Casale Sa | Ammonia-urea integrated process and plant |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303215A (en) * | 1962-03-09 | 1967-02-07 | Toyo Koatsu Ind Inc | Synthesis of urea |
US3349126A (en) * | 1962-09-10 | 1967-10-24 | Pullman Inc | Integrated ammonia and urea process |
US3310376A (en) * | 1963-09-09 | 1967-03-21 | Chemical Construction Corp | Process for combined production of ammonia and urea |
JPS4830258B1 ( ) * | 1969-02-08 | 1973-09-18 | ||
JPS496297B1 ( ) * | 1969-03-15 | 1974-02-13 | ||
BE758646A (fr) * | 1969-11-15 | 1971-04-16 | Snam Progetti | Procede de traitement des gaz de synthese de l'ammoniac |
US4013718A (en) * | 1970-09-03 | 1977-03-22 | Snam Progetti S.P.A. | Integrated process for the production of urea |
IT1014987B (it) * | 1974-06-12 | 1977-04-30 | Snam Progetti | Procedimento integrato urea am moniaca |
-
1975
- 1975-03-28 IT IT21778/75A patent/IT1034674B/it active
-
1976
- 1976-01-01 AR AR262729A patent/AR208429A1/es active
- 1976-03-24 ZA ZA761794A patent/ZA761794B/xx unknown
- 1976-03-25 CH CH376076A patent/CH620902A5/it not_active IP Right Cessation
- 1976-03-25 DK DK132476AA patent/DK142361B/da not_active IP Right Cessation
- 1976-03-26 HU HU76SA2909A patent/HU179298B/hu unknown
- 1976-03-26 JP JP51032741A patent/JPS51118725A/ja active Pending
- 1976-03-26 TR TR18737A patent/TR18737A/xx unknown
- 1976-03-26 NO NO761071A patent/NO150557C/no unknown
- 1976-03-26 YU YU799/76A patent/YU40644B/xx unknown
- 1976-03-26 BG BG032716A patent/BG28258A3/xx unknown
- 1976-03-26 BE BE165624A patent/BE840105A/xx not_active IP Right Cessation
- 1976-03-26 PT PT64955A patent/PT64955B/pt unknown
- 1976-03-26 SE SE7603707A patent/SE423539B/xx not_active IP Right Cessation
- 1976-03-26 BR BR7601880A patent/BR7601880A/pt unknown
- 1976-03-26 IE IE647/76A patent/IE43359B1/en unknown
- 1976-03-26 ES ES446621A patent/ES446621A1/es not_active Expired
- 1976-03-26 CA CA000249107A patent/CA1120693A/en not_active Expired
- 1976-03-26 FR FR7608882A patent/FR2305391A1/fr active Granted
- 1976-03-26 DE DE2613102A patent/DE2613102C2/de not_active Expired
- 1976-03-27 PL PL1976188289A patent/PL106566B1/pl unknown
- 1976-03-27 IN IN534/CAL/76A patent/IN144386B/en unknown
- 1976-03-28 EG EG187/76A patent/EG12091A/xx active
- 1976-03-28 CS CS761975A patent/CS238355B2/cs unknown
- 1976-03-28 IL IL49300A patent/IL49300A/xx unknown
- 1976-03-29 ZM ZM37/76A patent/ZM3776A1/xx unknown
- 1976-03-29 NL NLAANVRAGE7603280,A patent/NL169178C/xx not_active IP Right Cessation
- 1976-03-29 DD DD192098A patent/DD123594A5/xx unknown
- 1976-03-29 PH PH18270A patent/PH13180A/en unknown
- 1976-03-29 MW MW9/76A patent/MW976A1/xx unknown
- 1976-03-29 LU LU74662A patent/LU74662A1/xx unknown
- 1976-03-29 GB GB12622/76A patent/GB1520561A/en not_active Expired
-
1980
- 1980-09-04 US US06/184,175 patent/US4320103A/en not_active Expired - Lifetime
-
1981
- 1981-12-30 MY MY68/81A patent/MY8100068A/xx unknown
-
1984
- 1984-11-26 JP JP1984178278U patent/JPS60113340U/ja active Granted
Also Published As
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