GB157047A - Improvements in or relating to the manufacture of formic aldehyde or methyl alcohol or mixtures thereof - Google Patents
Improvements in or relating to the manufacture of formic aldehyde or methyl alcohol or mixtures thereofInfo
- Publication number
- GB157047A GB157047A GB12234/17A GB1223417A GB157047A GB 157047 A GB157047 A GB 157047A GB 12234/17 A GB12234/17 A GB 12234/17A GB 1223417 A GB1223417 A GB 1223417A GB 157047 A GB157047 A GB 157047A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nickel
- catalyst
- solution
- platinum
- precipitating
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/49—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reaction with carbon monoxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
In the production of formaldehyde or methyl alcohol or mixtures thereof by catalytic hydrogenation of carbon monoxide or dioxide, the catalyst may be platinum black obtained by reducing chloroplatinates with formaldehyde and precipitating with alkali, or nickel obtained by precipitating the nitrate with alkali and reducing at temperatures below 100 DEG C. Or a nickel, platinum, &c. catalyst may be supported on a porous carrier; for example, pumice is impregnated with a solution of a nickel or platinum salt, dried and reduced; or nickel nitrate solution is mixed with a solution of sodium silicate or magnesium sulphate, the mixture evaporated to dryness, heated, and reduced. The hydrogenation may be effected in iron cylinders containing the porous material impregnated with catalyst; the mixture of carbon monoxide and hydrogen is preferably admitted at the bottom and the products distil off at the top. Or a series of vertical iron tubes connected at top and bottom to a collector may be used, the ends of the tubes being provided with perforated plates to ensure proper distribution of the reacting gases. Specification 108,855, [Class 2 (iii), Dyes &c.], is referred to.ALSO:In the production of formaldehyde or methyl alcohol or mixtures thereof by catalytic hydrogenation of carbon monoxide or dioxide, the catalyst may be platinum black obtained by reducing chloroplatinates with formaldehyde and precipitating with alkali, or nickel obtained by precipitating the nitrate with alkali and reducing at temperatures below 100 DEG C. Or a nickel, platinum, &c. catalyst may be supported on a porous carrier; for example, pumice is impregnated with a solution of a nickel or platinum salt, dried and reduced; or nickel nitrate solution is mixed with a solution of sodium silicate or magnesium sulphate, the mixture evaporated to dryness, heated, and reduced. The hydrogenation may be effected in iron cylinders containing the porous material impregnated with catalyst; the mixture of carbon monoxide and hydrogen is preferably admitted at the bottom and the products distil off at the top. Or a series of vertical iron tubes connected at top and bottom to a collector may be used, the ends of the tubes being provided with perforated plates to ensure proper distribution of the reacting gases. Specification 108,855 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR157047X | 1917-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB157047A true GB157047A (en) | 1921-01-20 |
Family
ID=8876251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB12234/17A Expired GB157047A (en) | 1917-03-22 | 1917-08-25 | Improvements in or relating to the manufacture of formic aldehyde or methyl alcohol or mixtures thereof |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB157047A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114950477A (en) * | 2022-06-28 | 2022-08-30 | 苏州金宏气体股份有限公司 | Catalyst for preparing formaldehyde from carbon dioxide and preparation method thereof |
-
1917
- 1917-08-25 GB GB12234/17A patent/GB157047A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114950477A (en) * | 2022-06-28 | 2022-08-30 | 苏州金宏气体股份有限公司 | Catalyst for preparing formaldehyde from carbon dioxide and preparation method thereof |
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