CA1136381A - Procede catalyse d'obtention d'uree et de cyanate d'ammonium - Google Patents
Procede catalyse d'obtention d'uree et de cyanate d'ammoniumInfo
- Publication number
- CA1136381A CA1136381A CA000295840A CA295840A CA1136381A CA 1136381 A CA1136381 A CA 1136381A CA 000295840 A CA000295840 A CA 000295840A CA 295840 A CA295840 A CA 295840A CA 1136381 A CA1136381 A CA 1136381A
- Authority
- CA
- Canada
- Prior art keywords
- degrees
- nox
- urea
- process according
- catalyst
- 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
- 238000000034 method Methods 0.000 title claims abstract description 31
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000004202 carbamide Substances 0.000 title claims abstract description 30
- 230000008569 process Effects 0.000 title claims abstract description 26
- QYTOONVFPBUIJG-UHFFFAOYSA-N azane;cyanic acid Chemical compound [NH4+].[O-]C#N QYTOONVFPBUIJG-UHFFFAOYSA-N 0.000 title claims description 7
- 230000003197 catalytic effect Effects 0.000 title abstract description 3
- 238000004519 manufacturing process Methods 0.000 title description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims abstract description 42
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000001257 hydrogen Substances 0.000 claims abstract description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 15
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 7
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052703 rhodium Inorganic materials 0.000 claims description 5
- 239000010948 rhodium Substances 0.000 claims description 5
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 5
- 229910000792 Monel Inorganic materials 0.000 claims description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 29
- 239000000376 reactant Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 239000011261 inert gas Substances 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- -1 H2O or H2 Chemical class 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010574 gas phase reaction Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000013022 venting 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/20—Thiocyanic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77678777A | 1977-03-11 | 1977-03-11 | |
| US776,787 | 1977-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1136381A true CA1136381A (fr) | 1982-11-30 |
Family
ID=25108363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000295840A Expired CA1136381A (fr) | 1977-03-11 | 1978-01-27 | Procede catalyse d'obtention d'uree et de cyanate d'ammonium |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5814364B2 (fr) |
| AT (1) | AT360036B (fr) |
| AU (1) | AU520029B2 (fr) |
| BE (1) | BE864762A (fr) |
| CA (1) | CA1136381A (fr) |
| CH (1) | CH633496A5 (fr) |
| DE (1) | DE2809858C2 (fr) |
| FR (1) | FR2383168B1 (fr) |
| GB (1) | GB1593561A (fr) |
| IL (1) | IL54196A (fr) |
| IT (1) | IT7867534A0 (fr) |
| NL (1) | NL7802410A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4174377A (en) * | 1978-05-25 | 1979-11-13 | Bell Telephone Laboratories, Incorporated | Formation of cyanate compounds |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR540543A (fr) * | 1921-08-19 | 1922-07-12 | Procédé de production d'alcools, d'aldéhydes et d'acides à partir de mélanges gazeux maintenus sous pression et soumis à l'action d'agents catalytiques ou de l'électricité | |
| JPS5014238A (fr) * | 1973-06-06 | 1975-02-14 | ||
| JPS6029464B2 (ja) * | 1978-06-07 | 1985-07-10 | ゼネラル・フ−ヅ・コ−ポレ−シヨン | 吸湿性の低い安定な粉末果汁およびその製造方法 |
-
1978
- 1978-01-13 GB GB1485/78A patent/GB1593561A/en not_active Expired
- 1978-01-27 CA CA000295840A patent/CA1136381A/fr not_active Expired
- 1978-03-03 NL NL7802410A patent/NL7802410A/xx not_active Application Discontinuation
- 1978-03-06 IL IL54196A patent/IL54196A/xx unknown
- 1978-03-06 FR FR7806312A patent/FR2383168B1/fr not_active Expired
- 1978-03-07 AU AU33903/78A patent/AU520029B2/en not_active Expired
- 1978-03-07 DE DE2809858A patent/DE2809858C2/de not_active Expired
- 1978-03-10 CH CH266678A patent/CH633496A5/de not_active IP Right Cessation
- 1978-03-10 BE BE185821A patent/BE864762A/fr not_active IP Right Cessation
- 1978-03-10 AT AT173978A patent/AT360036B/de not_active IP Right Cessation
- 1978-03-10 JP JP53026759A patent/JPS5814364B2/ja not_active Expired
- 1978-03-10 IT IT7867534A patent/IT7867534A0/it unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5814364B2 (ja) | 1983-03-18 |
| FR2383168A1 (fr) | 1978-10-06 |
| IL54196A (en) | 1982-03-31 |
| AU3390378A (en) | 1979-09-13 |
| IL54196A0 (en) | 1978-06-15 |
| DE2809858C2 (de) | 1982-09-30 |
| AU520029B2 (en) | 1982-01-14 |
| DE2809858A1 (de) | 1978-09-14 |
| CH633496A5 (en) | 1982-12-15 |
| ATA173978A (de) | 1980-05-15 |
| BE864762A (fr) | 1978-07-03 |
| GB1593561A (en) | 1981-07-22 |
| IT7867534A0 (it) | 1978-03-10 |
| JPS53137916A (en) | 1978-12-01 |
| AT360036B (de) | 1980-12-10 |
| NL7802410A (nl) | 1978-09-13 |
| FR2383168B1 (fr) | 1981-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |