GB839882A - Manufacture of catalysts and carriers therefor - Google Patents
Manufacture of catalysts and carriers thereforInfo
- Publication number
- GB839882A GB839882A GB38483/56A GB3848356A GB839882A GB 839882 A GB839882 A GB 839882A GB 38483/56 A GB38483/56 A GB 38483/56A GB 3848356 A GB3848356 A GB 3848356A GB 839882 A GB839882 A GB 839882A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thermoplast
- mixture
- heating
- metal
- tablets
- 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
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
A catalyst or a carrier is made by mixing silica or metal oxide with a thermoplast a binder, shaping the mixture and heating to decompose the thermoplast. Metal oxides specified are Al, Zn, Ni, Ti, W, Cu, Cr, Fe, or carbonates of these yielding oxides on heating. Thermoplasts specified are polymers of vinyl compounds, e.g. polyvinyl chloride, alcohol or acetate, styrene, acrylic acid ester, or acrylonitrile, and these may be incorporated in the form of an aqueous dispersion. The shaped product may be heated to a temperature sufficient to carbonize the thermoplast, or at a higher temperature to form carbon, or the carbon may be burnt out and the inorganic support partly sintered. In examples, kieselguhr, titanium oxide, or a mixture of iron oxide and hydrated titanium dioxide, is mixed with an aqueous dispersion of polyvinyl acetate or chloride; the mixture is pressed and dried. The resulting powder is formed into tablets which are heated at 700 DEG to 800 DEG C. in an inert gas, e.g. CO2 or N. Alternatively they are ignited in a current of air or oxygen, followed if desired by heating in air at 1000 DEG C. or more. The tablets may be then impregnated with metal or other compounds as catalysts, e.g. phosphoric acid, salts of W, V, or Cr.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE839882X | 1955-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB839882A true GB839882A (en) | 1960-06-29 |
Family
ID=6762061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB38483/56A Expired GB839882A (en) | 1955-12-16 | 1956-12-17 | Manufacture of catalysts and carriers therefor |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR1162498A (en) |
| GB (1) | GB839882A (en) |
-
1956
- 1956-12-17 GB GB38483/56A patent/GB839882A/en not_active Expired
- 1956-12-17 FR FR1162498D patent/FR1162498A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1162498A (en) | 1958-09-15 |
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