CS239912B2 - Processing of ammonia - Google Patents
Processing of ammonia Download PDFInfo
- Publication number
- CS239912B2 CS239912B2 CS81169A CS16981A CS239912B2 CS 239912 B2 CS239912 B2 CS 239912B2 CS 81169 A CS81169 A CS 81169A CS 16981 A CS16981 A CS 16981A CS 239912 B2 CS239912 B2 CS 239912B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- ammonia
- gas
- phase
- pressure
- molecular sieve
- Prior art date
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 233
- 229910021529 ammonia Inorganic materials 0.000 title claims description 108
- 238000004821 distillation Methods 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims description 118
- 239000002808 molecular sieve Substances 0.000 claims description 74
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 74
- 230000015572 biosynthetic process Effects 0.000 claims description 51
- 238000003786 synthesis reaction Methods 0.000 claims description 51
- 238000010521 absorption reaction Methods 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 41
- 238000002407 reforming Methods 0.000 claims description 39
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 33
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 33
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 33
- 238000001179 sorption measurement Methods 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 24
- 230000008929 regeneration Effects 0.000 claims description 24
- 238000011069 regeneration method Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000629 steam reforming Methods 0.000 claims description 3
- 210000003746 feather Anatomy 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 21
- 239000000243 solution Substances 0.000 description 20
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 241000238876 Acari Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/025—Preparation or purification of gas mixtures for ammonia synthesis
-
- 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
-
- 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
- C01C1/0464—Separation of NH3 by absorption in liquids, e.g. water
-
- 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
- C01C1/047—Separation of NH3 by condensation
-
- 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)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT19075/80A IT1129752B (it) | 1980-01-08 | 1980-01-08 | Procedimento di distillazione di soluzioni ammoniacali |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS16981A2 CS16981A2 (en) | 1984-12-14 |
| CS239912B2 true CS239912B2 (en) | 1986-01-16 |
Family
ID=11154324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS81169A CS239912B2 (en) | 1980-01-08 | 1981-01-08 | Processing of ammonia |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4318782A (it) |
| JP (1) | JPS56109813A (it) |
| BE (1) | BE886991A (it) |
| CA (1) | CA1173401A (it) |
| CS (1) | CS239912B2 (it) |
| IT (1) | IT1129752B (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0093502B2 (en) * | 1982-04-14 | 1988-11-17 | Imperial Chemical Industries Plc | Ammonia production process |
| DE3520934C1 (de) * | 1985-06-12 | 1986-06-05 | Metallgesellschaft Ag, 6000 Frankfurt | Verfahren zum Gewinnen von Ammoniak aus einem NH3,CO2 und H2S enthaltenden Abwasser |
| US7297181B2 (en) * | 2004-07-07 | 2007-11-20 | Air Liquide America L.P. | Purification and transfilling of ammonia |
| US9994457B2 (en) * | 2014-04-07 | 2018-06-12 | The Boeing Company | System and method for ammonia distillation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2501326A (en) * | 1945-07-19 | 1950-03-21 | Frigid Transp Company Inc | Ammonia distillation system |
| US2519451A (en) * | 1946-06-08 | 1950-08-22 | Lummus Co | Ammonia distillation |
-
1980
- 1980-01-08 IT IT19075/80A patent/IT1129752B/it active
-
1981
- 1981-01-06 US US06/222,989 patent/US4318782A/en not_active Expired - Fee Related
- 1981-01-07 JP JP51581A patent/JPS56109813A/ja active Pending
- 1981-01-07 BE BE0/203421A patent/BE886991A/fr unknown
- 1981-01-08 CA CA000368147A patent/CA1173401A/en not_active Expired
- 1981-01-08 CS CS81169A patent/CS239912B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT8019075A0 (it) | 1980-01-08 |
| JPS56109813A (en) | 1981-08-31 |
| CS16981A2 (en) | 1984-12-14 |
| IT1129752B (it) | 1986-06-11 |
| BE886991A (fr) | 1981-07-07 |
| US4318782A (en) | 1982-03-09 |
| CA1173401A (en) | 1984-08-28 |
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