DE2462792C2 - Process for the production of a supported catalyst - Google Patents
Process for the production of a supported catalystInfo
- Publication number
- DE2462792C2 DE2462792C2 DE19742462792 DE2462792A DE2462792C2 DE 2462792 C2 DE2462792 C2 DE 2462792C2 DE 19742462792 DE19742462792 DE 19742462792 DE 2462792 A DE2462792 A DE 2462792A DE 2462792 C2 DE2462792 C2 DE 2462792C2
- Authority
- DE
- Germany
- Prior art keywords
- temperatures
- aluminum oxide
- annealed
- manganese
- nickel
- 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
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/944—Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/889—Manganese, technetium or rhenium
- B01J23/8892—Manganese
-
- 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)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Description
Temperaturen herangezogen, bei welchen 50 bzw, 90% des CO und des η-Hexans zu CO2 und H3O umgesetzt waren (U» co; U<»co; Uw m»; U9n h?»)·Temperatures used at which 50 or 90% of the CO and the η-hexane were converted to CO 2 and H 3 O (U »co; U <» co; Uw m »; U 9n h?»)
Die Druckfestigkeit der Katalysatoren wurde in Längsrichtung der Formkörper zwischen planparallelen Platten gemessen.The compressive strength of the catalysts was in the longitudinal direction of the shaped body between plane-parallel Plates measured.
Vergleichsbeispiel 1Comparative example 1
Ce(NOj)3 · 6 H;O wurde bis zur beginnenden Nitratzersetzung getrocknet und zu Formkörpern verpreßt. Die Preßlinge wurden nacheinander je 10 Stunden lang unter Luftzutritt auf 500 bzw. 800°C erhitzt. Die Aktivitätsbestimmung ergab:Ce (NOj) 3 · 6 H; O was dried until the nitrate decomposition began and pressed into molded articles. The compacts were heated in succession to 500 and 800 ° C. for 10 hours each with the admission of air. The activity determination showed:
Usoco = 4300C
Usoco = 5400C
U50 Hex = 560° C
= 660° CUsoco = 430 0 C
Usoco = 540 0 C
U 50 Hex = 560 ° C
= 660 ° C
Der Katalysator hatte eine Druckfestigkeit von 0,8 kg/mm.The catalyst had a compressive strength of 0.8 kg / mm.
Vergleichsbeispiei 2Comparative example 2
Alkali- und silikatfreies Aluminiumoxid wurde in Wasser eingerührt und die erhaltene Paste bei 100° C getrocknet Die trockene Masse, wurde vermählen und nach Zusatz von 5 Gew.-% Graphit in zylindrische Formkörper von 3 mm Durchmesser und 3 mm Länge verpreßt Nach Abbrennen des als Preßhilfe zugesetzten Graphits bei 6500C wurden die Formkörper 20 Stunden bei 10000C geglüht Durch Tränken mit einer wäßrigen Metallnitratlösung wurden auf die Formkörper 5,1% Cu, 2,94% Mn und 1,57% Ni aufgetragen. Die aufgetragenen Metallnitrate wurden durch Erhitzen auf 4000C in die Oxide umgesetzt Die metalloxidhaltigen Formkörper wurden 18 Stunden bei 1000° C geglüht. Die Aktivitätsbestimmung ergab:Alkali and silicate-free aluminum oxide was stirred into water and the paste obtained was dried at 100 ° C. The dry mass was ground and, after adding 5% by weight of graphite, pressed into cylindrical shaped bodies 3 mm in diameter and 3 mm in length pressing aid added graphite at 650 0 C, the molding 20 hours at 1000 0 C annealed by soaking with an aqueous metal nitrate solution was applied to the mold body 5.1% Cu, 2.94% Mn and 1.57% Ni. The coated metal nitrates were prepared by heating at 400 0 C in the oxides, the metal oxide reacted moldings were annealed 18 hours at 1000 ° C. The activity determination showed:
Um co
UmcoTo co
Umco
U5O HexU 5 O hex
2000C
285° C
360° C200 0 C
285 ° C
360 ° C
Der Ka-alysator hatte eine Druckfestigkeit von 5,0 kg/mm.The Ka-alysator had a compressive strength of 5.0 kg / mm.
υ Auf den nach Vergleichsbeispiel 2 hergestellten Katalysator wurde durch Tränken mit einer wäßrigen Ccrnitratlösung jeweils 2, 4 oder 6% Ce aufgetragen. Das aufgetragene Cersalz wurde 32 Stunden bei 1400C getrocknet und dann durch dreistündiges Erhitzen auf2, 4 or 6% Ce was applied to the catalyst prepared according to Comparative Example 2 by impregnation with an aqueous solution of nitrate. The coated cerium salt was dried for 32 hours at 140 0 C and then for three hours heating at
in 2500C und durch lOstündiges Erhitzen auf 5000C zersetzt Anschließend wurde 10 Stunden bei 8000C geglüht Aktivität und Druckfestigkeit der so hergestellten Katalysatoren ergeben sich aus der folgenden Tabelle:250 0 C and 500 0 C lOstündiges heating to decompose was then 10 hours at 800 0 C annealed activity and compressive strength of the catalysts so produced will become apparent from the following table:
% Ce% Ce
U50 U 50
U50 Hex Druckfestigkeit
[kg/mm]U 50 Hex compressive strength
[kg / mm]
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742462792 DE2462792C2 (en) | 1973-05-09 | 1974-03-14 | Process for the production of a supported catalyst |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2365880A DE2365880C3 (en) | 1973-05-09 | 1973-05-09 | Process for the production of a supported catalyst |
DE19742462792 DE2462792C2 (en) | 1973-05-09 | 1974-03-14 | Process for the production of a supported catalyst |
DE2412290A DE2412290C3 (en) | 1974-03-14 | 1974-03-14 | Process for the oxidation of carbon monoxide and hydrocarbons |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2462792C2 true DE2462792C2 (en) | 1982-03-11 |
Family
ID=27185706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19742462792 Expired DE2462792C2 (en) | 1973-05-09 | 1974-03-14 | Process for the production of a supported catalyst |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2462792C2 (en) |
-
1974
- 1974-03-14 DE DE19742462792 patent/DE2462792C2/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NICHTS ERMITTELT * |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OI | Miscellaneous see part 1 | ||
OI | Miscellaneous see part 1 | ||
OD | Request for examination | ||
AC | Divided out of |
Ref country code: DE Ref document number: 2412290 Format of ref document f/p: P |
|
AF | Is addition to no. |
Ref country code: DE Ref document number: 2365880 Format of ref document f/p: P |
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D2 | Grant after examination | ||
8340 | Patent of addition ceased/non-payment of fee of main patent |