CH620221A5 - Process for regenerating an alkali-metal-alkylamide-containing system - Google Patents
Process for regenerating an alkali-metal-alkylamide-containing system Download PDFInfo
- Publication number
- CH620221A5 CH620221A5 CH593075A CH593075A CH620221A5 CH 620221 A5 CH620221 A5 CH 620221A5 CH 593075 A CH593075 A CH 593075A CH 593075 A CH593075 A CH 593075A CH 620221 A5 CH620221 A5 CH 620221A5
- Authority
- CH
- Switzerland
- Prior art keywords
- ammonia
- solution
- methylamine
- alkali metal
- potassium
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 47
- 230000001172 regenerating effect Effects 0.000 title description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 174
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 claims description 125
- 229910021529 ammonia Inorganic materials 0.000 claims description 85
- 229910052783 alkali metal Inorganic materials 0.000 claims description 68
- -1 alkali metal alkyl amide Chemical class 0.000 claims description 60
- BRUZZEMTHTULBO-UHFFFAOYSA-N potassium;methylazanide Chemical compound [K+].[NH-]C BRUZZEMTHTULBO-UHFFFAOYSA-N 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 32
- ZFFBIQMNKOJDJE-UHFFFAOYSA-N 2-bromo-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(Br)C(=O)C1=CC=CC=C1 ZFFBIQMNKOJDJE-UHFFFAOYSA-N 0.000 claims description 26
- 239000000047 product Substances 0.000 claims description 22
- 238000000354 decomposition reaction Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000003054 catalyst Substances 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 16
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 15
- 229910052805 deuterium Inorganic materials 0.000 claims description 15
- 238000005194 fractionation Methods 0.000 claims description 11
- 150000001340 alkali metals Chemical class 0.000 claims description 10
- 238000004821 distillation Methods 0.000 claims description 10
- 239000012452 mother liquor Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
- 229910052744 lithium Inorganic materials 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 150000003973 alkyl amines Chemical class 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 claims description 5
- 238000011069 regeneration method Methods 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- MGJXBDMLVWIYOQ-UHFFFAOYSA-N methylazanide Chemical compound [NH-]C MGJXBDMLVWIYOQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 238000004508 fractional distillation Methods 0.000 claims 2
- 239000007858 starting material Substances 0.000 claims 2
- 239000000243 solution Substances 0.000 description 61
- CRMWDHWPEFVLOU-UHFFFAOYSA-N n,n'-dimethylmethanimidamide Chemical compound CNC=NC CRMWDHWPEFVLOU-UHFFFAOYSA-N 0.000 description 8
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- JMNBVZIBJMAJJU-UHFFFAOYSA-N lithium;methylazanide Chemical compound [Li+].[NH-]C JMNBVZIBJMAJJU-UHFFFAOYSA-N 0.000 description 3
- DSWNRHCOGVRDOE-UHFFFAOYSA-N n,n-dimethylmethanimidamide Chemical compound CN(C)C=N DSWNRHCOGVRDOE-UHFFFAOYSA-N 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- 229910021055 KNH2 Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical compound [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- FEMRXDWBWXQOGV-UHFFFAOYSA-N potassium amide Chemical class [NH2-].[K+] FEMRXDWBWXQOGV-UHFFFAOYSA-N 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- IPMJRVMJHRNXES-UHFFFAOYSA-N potassium;methanamine;methylazanide Chemical compound [K+].NC.[NH-]C IPMJRVMJHRNXES-UHFFFAOYSA-N 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/40—Regeneration or reactivation
- B01J31/4015—Regeneration or reactivation of catalysts containing metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0252—Nitrogen containing compounds with a metal-nitrogen link, e.g. metal amides, metal guanidides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/087—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms
- C01B21/092—Compounds containing nitrogen and non-metals and optionally metals containing one or more hydrogen atoms containing also one or more metal atoms
- C01B21/0923—Metal imides or amides
- C01B21/0926—Metal imides or amides of alkali metals
-
- 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
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA199,202A CA1024530A (fr) | 1974-05-07 | 1974-05-07 | Procede de recuperation des alkylamides de metaux alcalins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH620221A5 true CH620221A5 (en) | 1980-11-14 |
Family
ID=4099944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH593075A CH620221A5 (en) | 1974-05-07 | 1975-05-07 | Process for regenerating an alkali-metal-alkylamide-containing system |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5618599B2 (fr) |
| BE (1) | BE828827A (fr) |
| BR (1) | BR7502766A (fr) |
| CA (1) | CA1024530A (fr) |
| CH (1) | CH620221A5 (fr) |
| DE (1) | DE2519383C3 (fr) |
| FR (1) | FR2278627A1 (fr) |
| GB (1) | GB1475267A (fr) |
| IT (1) | IT1060378B (fr) |
| NL (1) | NL7505338A (fr) |
| RO (1) | RO73525A (fr) |
| SE (1) | SE7505269L (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10111725C1 (de) * | 2001-03-09 | 2002-07-25 | Chemetall Gmbh | Verfahren zur Herstellung von Lithiumamid |
-
1974
- 1974-05-07 CA CA199,202A patent/CA1024530A/fr not_active Expired
-
1975
- 1975-04-24 RO RO7582073A patent/RO73525A/fr unknown
- 1975-04-30 DE DE2519383A patent/DE2519383C3/de not_active Expired
- 1975-05-02 GB GB1832975A patent/GB1475267A/en not_active Expired
- 1975-05-05 FR FR7513920A patent/FR2278627A1/fr active Granted
- 1975-05-06 NL NL7505338A patent/NL7505338A/xx unknown
- 1975-05-06 JP JP5415275A patent/JPS5618599B2/ja not_active Expired
- 1975-05-06 IT IT23045/75A patent/IT1060378B/it active
- 1975-05-06 SE SE7505269A patent/SE7505269L/xx unknown
- 1975-05-07 BR BR3529/75A patent/BR7502766A/pt unknown
- 1975-05-07 BE BE156143A patent/BE828827A/fr unknown
- 1975-05-07 CH CH593075A patent/CH620221A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2519383B2 (de) | 1979-05-03 |
| BR7502766A (pt) | 1976-03-16 |
| AU8046575A (en) | 1976-10-28 |
| GB1475267A (en) | 1977-06-01 |
| JPS5618599B2 (fr) | 1981-04-30 |
| JPS5129399A (fr) | 1976-03-12 |
| RO73525A (fr) | 1980-11-30 |
| SE7505269L (sv) | 1975-11-10 |
| FR2278627B1 (fr) | 1980-08-08 |
| CA1024530A (fr) | 1978-01-17 |
| IT1060378B (it) | 1982-07-10 |
| DE2519383C3 (de) | 1980-01-31 |
| NL7505338A (nl) | 1975-11-11 |
| FR2278627A1 (fr) | 1976-02-13 |
| DE2519383A1 (de) | 1975-11-20 |
| BE828827A (fr) | 1975-09-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |