The catalyst for deep oxidation of organic compounds and carbon monoxide in the gas emissions and the method of its production (options)

 

(57) Abstract:

The invention relates to catalysts and methods of producing oxide catalysts used in the processes of deep oxidation of organic compounds and carbon monoxide in the gas emissions from industrial productions. The described catalysts for deep oxidation of organic compounds and carbon monoxide in the gas emissions, including oxides of chromium, copper, aluminium oxide, further connection, the promoter. The catalyst composition contains alumina with at least one additional connection element from the group of alkali and alkaline-earth metals, silicon, iron, magnesium, titanium, zirconium, cerium in an amount of 0.01 to 45 wt.% and the promoter is at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium in an amount of 2-15 wt.%, and the catalyst has the following composition in terms of oxides, wt.%: the chromium oxide 2-15, copper oxide 2-15, the oxide of at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium 2-15, the oxide of at least one additional connecting element from the group of alkali and alkaline-earth metals, silicon, iron, magnesium, titanium, zirconium, cerium is La deep oxidation of organic compounds and carbon monoxide in the gas emissions. The first method consists in mixing chromium compounds, copper, aluminum hydroxide, additional connections, promoter, followed by molding, drying and calcination. The second way of obtaining catalysts for deep oxidation of organic compounds and carbon monoxide in gas emissions is the impregnation of a carrier comprising alumina, an additional connection, a solution containing compounds of chromium, copper and promoter, drying and calcination. Effect: the catalyst has a higher catalytic activity in the above oxidation reactions, mechanical strength and retains high activity in the presence of sulfur compounds in comparison with the prototype. 3 S. and 7 C.p. f-crystals, 2 tab., 1 Il.

The invention relates to catalysts and methods of producing oxide catalysts used in the processes of deep oxidation of organic compounds and carbon monoxide in the gas emissions from industrial productions.

Known high-temperature oxidation catalyst (U.S. Patent 4968661, IPC5B 01 J 21/06, B 01 J 23/02, 1990), having the formula [Au-MOw(DOx)(EOy)a]zwhere a is an alkaline or alkaline-earth m is the elements; E - CA, Mg, Sr, BA, Y, La, Yb, Sm, Gd, Nd, Sc, V, Bi, Ce, Pr, Eu, Tb, Dy, Ho, Er, Tm, Lu or a mixture of two or more items; a=0-0,2; u=0-1; z=10-100; w is the number of oxygen atoms necessary to ensure the required valence of a and M; x is the number of oxygen atoms necessary to ensure the desired valency D; y is the number of oxygen atoms, necessary to ensure the desired valency E.

The catalyst does not have a sufficiently high activity and resistance to catalytic poisons.

Known catalyst for purification of gases from carbon monoxide and organic compounds (RF Patent 2002498, IPC B 01 J 23/84, B 02 D 53/36, 1993), containing spinel of the General formula AB2ABOUT4where a and b include the cations of copper and chromium, oxygen. As the catalyst contains cations of zinc, cadmium, iron, cobalt, and as In - chrome and additional cations such as iron, Nickel, and copper. When this catalyst is a solid solution of spinel content simultaneously present in it of metal cations.

The lack of a catalyst of low activity.

Known catalyst of low-temperature oxidation (Application of UK 2234450, IPC B 01 J 23/40, 1991), containing at least one noble metal (platinum, the SUB>O3, ZrO2, CuO, rare-earth metal oxides, MnO2V2O5and Cr2ABOUT3. Active ingredient (noble metal and is able to recover the metal oxide) may be deposited on an inert substrate, such as alumina or carbon cloth.

The disadvantage of the catalyst is the presence in its composition of platinum metals and rare earth groups that are susceptible to poisoning of catalytic poisons.

A known catalyst for purification of gas emissions (Japan's Bid 59-44897, IPC3B 01 J 23/89// B 01 D 53/36, 1984), which contains a platinum group metal supported on a carrier containing calcium aluminate, a metal oxide such as Mn, Cu, Co, Ni, Cr and Fe, and complex oxides, for example ZnFe2O3and MnFe2O3.

The disadvantage of the catalyst is the presence in its composition of platinum group metals that are resistant to poisoning of catalytic poisons.

The closest technical solution is the catalyst for purification of gases from carbon monoxide (Ed. mon. The USSR 1121032, IPC B 01 J 23/86, 1984), which includes CuO and Cr2ABOUT3and further comprises manganese dioxide and the media fire when the trail is 1,6

Fireclay - Rest

The disadvantage of this method is that the resulting catalyst does not have a sufficiently high catalytic activity, mechanical strength and stability.

The problem solved by the present invention is the development of catalysts for deep oxidation of hydrocarbons and carbon monoxide in the gas emissions with high activity, stability, resistance to catalytic poisons and methods of its production (options).

The problem is solved by using a catalyst for deep oxidation of organic compounds and carbon monoxide in the gas emissions, including compounds of chromium, copper, aluminum, an additional connection, the promoter. The catalyst contains as an additional connection at least one connection element from the group of alkali and alkaline earth metals, silicon, iron, titanium, zirconium, cerium, as a promoter, at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium in the following ratio of components in terms of oxides, wt.%:

The chromium oxide - 2-15

The copper oxide - 2-15

The oxide of at least one compound of metal from groups: MAGN who uppy: alkaline and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium - 0,01-45

Alumina - Rest

The predecessor of the aluminium compound is preferably a product obtained by the rapid dehydration of trihydroxide aluminum and having a composition of Al2O3nH2O, where n=0,03-2,0. The connection of the aluminum may contain at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron in an amount of 0.01 to 2.0, in terms of oxides, wt.% (for example, patent of the Russian Federation 2148017 from 27.04.2000).

The problem is solved by the methods (variants) of obtaining the above-described catalysts for deep oxidation of organic compounds and carbon monoxide in the gas emissions.

The first method consists in mixing the compounds of chromium, copper, aluminium, additional connections, promoter, followed by molding, drying and calcination. As the aluminum compounds used hydrated compound of aluminum composition of Al2O3mo2Oh, where n=0,03-2,0, capable of combining with acids, basic salts of aluminum, which is mixed with at least one additional connection element from the group of alkali and alkaline-earth metals, silicon, euromotor - at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium, then type plasticizer to obtain a plastic mass is formed into subsequent crop has wilted granules, dried, calcined at a temperature of 500-600oWith and receive the catalyst in the following ratio of components in terms of oxides, wt.%:

The chromium oxide - 2-15

The copper oxide - 2-15

The oxide of at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium - 2-15

The oxide of at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium - 0,01-45

Alumina - Rest

As the plasticizer used organic or inorganic acid capable of forming soluble basic aluminium salts.

The predecessor of the aluminium compound is preferably a product obtained by the rapid dehydration of trihydroxide aluminum and having a composition of Al2O3nH2O, where n=0,03-2,0. The connection of the aluminum may contain at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron in an amount of 0.01 to 2.0, Perez is La deep oxidation of organic compounds and carbon monoxide in gas emissions is the impregnation of the carrier, including the connection of aluminum, an additional connection, a solution containing compounds of chromium, copper and promoter, drying and calcination. As the carrier is used the composition of the aluminum compounds with at least one additional connection element from the group of alkali and alkaline-earth metals, silicon, titanium, zirconium, cerium, which is impregnated with a solution containing compounds of chromium, copper and the promoter is at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium, calcined impregnated carrier at a temperature of 500 to 600oWith and receive the catalyst in the following ratio of components in terms of oxides, wt.%:

The chromium oxide - 2-15

The copper oxide - 2-15

The oxide of at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium - 2-15

The oxide of at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium - 0,01-45

Alumina - Rest

The predecessor of the aluminium compound is preferably a product obtained by the rapid dehydration of trihydroxide aluminum and having a composition of Al2O3nHCnie and alkaline-earth metals, silicon, iron in an amount of 0.01 to 2.0, in terms of oxides, wt.% (for example, patent of the Russian Federation 2148017 from 27.04.2000).

Compounds of chromium, copper and promoters introduced into the catalyst by any known means.

The proposed methods allow to obtain the catalyst of different composition, which can be chosen depending on the operating conditions, gas humidity, presence of impurities, etc. When implementing both methods of preparation of the catalyst no toxic gas emissions and waste water.

In the proposed solution for the preparation of the catalyst used hydrated compound of aluminum, which can be obtained by known methods: nitrate, sulfate or aluminate technologies, presidenial, thermoactivation Al(OH)3, rapid dehydration of aluminum hydroxide (hydrargillite, technical alumina), impact of thermal processing hydrargillite etc. But to obtain the preferred catalyst is the product of the composition of Al2O3nH2O, where n=0,03 to 2.0, which is obtained by rapid dehydration of trihydroxide aluminum, has a layered x-ray amorphous structure and capable of combining with acids basic rest the C group: alkali and alkaline-earth metals, silicon, iron in an amount of 0.01 to 2.0, in terms of oxides, wt.% (for example, patent of the Russian Federation 2148017 from 27.04.2000), which can partially be in the original product, or they are administered before a quick partial dehydration by any known means, for example by impregnation or coprecipitation. When the heat treatment of the granules of the catalyst on the basis of such a hydrated aluminum compounds is the formation of the catalyst on the modified surface of the aluminum compounds, which ensures the formation of strong ties aluminum compounds with other components of the catalyst and, as a result, results in a catalyst with higher performance: strength, stability.

The introduction of the proposed catalyst compounds of an element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium in an amount of 0.01-45, in terms of oxides, wt.% leads to increased stability of the catalyst, resistance to catalytic poisons and increases the service life of the catalysts.

The introduction of the proposed promoters in the catalyst leads to an increase in catalytic activity. While the catalysts retain high stability, resistance to kata is high catalytic activity and stability in the oxidation reaction mixture model, containing 0.5 vol. % propane, and a mixture containing 0.5 vol.% propane and 0.1 vol.% SO2compared with the prototype (see drawing).

The catalyst activity was determined on the true grain flow-circulation installed in the process of deep oxidation in oxygen excess on model mixtures containing n-butane or carbon monoxide.

For measure the catalytic activity of the catalyst in the reaction of deep oxidation of n-butane adopted by the reaction rate (cm3C4H10/G cat.C) oxidation of n-butane at 400oC. the higher the speed of reaction of complete oxidation of n-butane corresponds to a more active catalyst.

For measure the catalytic activity of the catalyst in the reaction of deep oxidation of carbon monoxide adopted the temperature at which achieved 85% degree of oxidation of carbon monoxide. The lower the temperature reach 85% degree of oxidation of carbon monoxide, the higher the catalyst activity.

The activity and stability of catalyst with respect to catalytic poisons identified in the oxidation of a model mixture containing 0.5 vol.% propane, and a mixture containing 0.5 vol.% propane + 0,1% vol. SO2in excess oxygen at a temperature of 500o< pellet crush strength by forming was determined on the device MP-9S. For measure the mechanical strength made the ultimate compressive stress, which results in the destruction of granules allocated to the conditional section.

The following examples illustrate the invention.

Example 1

For the preparation of the catalyst used 452 g of hydrated aluminum compounds composition of Al2O3nH2O, where n=2,0. To connect aluminum added 20 g of wood flour, as additional connections 450 g of silicon oxide, shredded, and mixed. Then the composition is administered humidity 131.6 g of oxygen-containing compounds of chromium (chromium oxide), 100 g of copper oxide obtained by thermal decomposition of basic carbonate of copper, added as a promoter of 20 g of vanadium oxide and continue mixing. Plasticization of the catalyst mixture is conducted in an aqueous solution of nitric acid at the rate of 0.2 mol of HNO31 mol of aluminum oxide, followed by extrusion is formed into pellets with a diameter of 4.5 mm carried out the stage of wilting on the air for 10-12 hours, dried at 120oWith 6 hours and calcined at 500oWith 6 hours.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 10,0

m x-ray analysis of the catalyst composition is a structure of simple and complex oxides of elements connection of several elements (aluminum, copper, chromium, vanadium) with the structure of solid solutions.

Example 2

931,5 g of hydrated aluminum compounds (n=1.5), containing a compound of sodium, mixed with 10 g of polyethylene oxide, added as additional connections 80 g of magnesium oxide and 20 g of cerium oxide, and again mix. In the resulting composition is administered to 26.3 g of chromium oxide, 208,6 g basic carbonate of copper, as a promoter of 50 g of manganese dioxide and continue mixing the components. Plasticization of the catalyst mixture is conducted in an aqueous solution of nitric acid from the calculation of Mto=0.15 to plastic state. When ready catalyst mass is formed into pellets with a diameter of 4.5 mm Pellets provalivajut in air, dried and calcined at 600oC.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 2,0

The copper oxide - 15,0

Manganese oxide - 5,0

Magnesium oxide - 8,0

The cerium oxide - 2,0

Alumina - Rest

including

Sodium oxide is 0.01

The phase composition of the catalyst is a structure, including complex oxides of several elements, connection elements crystal is ogino example 2, but the catalyst mixture contains 753,4 g of hydrated aluminum compounds, 50 g of wood flour, as additional connections 200 g of silicon oxide, shredded, 5 g of titanium oxide and 25 g of calcium oxide; 197,4 g of chromium oxide, 20 g of copper oxide, as a promoter of 50 g of cobalt oxide. Plasticization of the catalyst mixture is conducted in an aqueous solution of a mixture of nitric and glacial acetic acid based Mto=0,2.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 15,0

The copper oxide - 2,0

The cobalt oxide - 5,0

The silicon oxide - 20,0

The titanium oxide - 0,5

Calcium oxide - 2,5

Alumina - Rest

The phase composition of the catalyst is a structure consisting of simple and complex oxides of the elements, oxygen-containing compounds of elements (aluminum, cobalt, copper) with the crystal lattice of the spinel type, connection elements with the structure of solid solutions and unidentified compounds.

Example 4

The catalyst is prepared analogously to example 2, but the catalyst mixture contains 835,6 g of hydrated aluminum compounds composition of Al2O3nH2O, where n= 1,0, sterilize and 30 g of Zirconia; 109,8 g of oxygen-containing compounds of chromium (chromium hydroxide, hydrate); and 41.7 g of a basic carbonate of copper, and as promoters of 72.3 g of magnesium hydroxide, 50 g of manganese dioxide and 50 g of iron oxide. Plasticization of the catalyst mixture is conducted in an aqueous solution of a mixture of nitric and oxalic acids from the calculation of Mto= 0,2, then the catalyst mass is formed in the form of rings (diameter 10-15 mm). Conduct stage of wilting in the air, dried at 120oC and calcined at 600oC.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 6,0

The copper oxide - 3,0

Magnesium oxide - 5,0

Manganese oxide - 5,0

Iron oxide - 17,0

Zirconium oxide - 3,0

Alumina - Rest

including

The potassium oxide - 0.02

The barium oxide - 1,98

According to x-ray analysis of the catalyst composition is a structure of simple and complex oxides of elements, compounds of several elements (aluminum, copper, magnesium, manganese) with the structure of solid solutions and unidentified compounds.

Example 5

The catalyst is prepared using 1000 g of hydrated aluminum compounds composition of Al2O3nH2O, where pxid cerium. The composition is thoroughly mixed, then it is injected compounds chromium and copper: 100 g of chromium oxide and the 104.3 g of basic carbonate of copper; as a promoter add 30 g of magnesium oxide and 53,41 g of Nickel acetate and continue mixing. Plastificator catalyst mixture, in an aqueous solution of a mixture of nitric and glacial acetic acid based Mto=0.15 to plastic state. When ready catalyst mass is formed by extrusion into pellets with a diameter of 4.2 mm Granules provalivajut in air, dried and calcined at 550oC.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 10,0

The copper oxide - 7,5

Nickel oxide - 2,5

Magnesium oxide - 3,0

The cerium oxide - 0,01

Alumina - Rest

The phase composition of the catalyst is a simple and complex oxides of the elements, connection elements (aluminum, copper, magnesium, Nickel) with the structure of solid solutions.

Example 6

Using 490,4 g of hydrated aluminum compounds (n=0,03), 50 g of polyethylene oxide and as additional connections 290 g of silicon oxide and 160 g of magnesium oxide, pre-shredded, method of mixing to prepare the composition is m soaked in water holding capacity water solution with concentration of elements, mg/ml: chromium 108,39; copper 33,61; iron (promoter) 28,86. As chromium compounds, copper and iron using acetic acid salt. The carrier impregnated with the solution is carried out at room temperature in propitiated with a rotating drum dried impregnated carrier in a stream of hot air at 120oWith the calcined catalyst at a temperature of up to 550oC.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 12,8

The copper oxide - 3,4

Iron oxide - 3,0

The silicon oxide - 29,0

Magnesium oxide is 16.0

Alumina - Rest

According to x-ray phase analysis of the composition of the proposed catalyst includes simple and complex oxides of the elements and kristallizovannye mixed oxygen-containing compounds of elements (copper, chromium, iron) with the crystal lattice of the spinel type.

Example 7

The catalyst is prepared analogously to example 6, but the composition of the refractory porous media (770 g) prepared by the method of mixing using 1027,4 g of hydrated aluminum compounds containing compounds of sodium, potassium, iron, calcium; 70 g of wood flour and as additional connections 20 g of zirconium dioxide (specific powernote elements, mg/ml: chromium 154, 6mm; copper 20,74; magnesium (promoter) of 28.2. To prepare an impregnating solution using acetic acid salts of chromium, copper, magnesium.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 17,4

The copper oxide - 2,0

Magnesium oxide - 3,6

Zirconium oxide - 2,0

Alumina - Rest

including

The sodium oxide - 0,08

The potassium oxide - 0.02

Iron oxide - 0,9

Calcium oxide - 1,0

According to x-ray phase analysis of the composition of the proposed catalyst is a structure consisting of simple oxides of the elements, connection elements (aluminum, copper, magnesium) type solid solutions and mixed crystalline compound elements (copper, magnesium, chromium) type spinel.

Example 8

Using 1026,71 g of hydrated aluminum compounds containing compounds of magnesium, silicon and barium, 40 g of wood flour and as additional connections 100 g of titanium dioxide, a method of mixing a composition is prepared porous media (849,5 g) (specific surface area of 170 m2/g, a water capacity of 0.9 ml/g, the outer diameter of the rings 10 mm), which is then impregnated at room temperature in stages: first an aqueous solution is at a temperature of up to 200oC for 6 hours, cooled.

Re-impregnation is conducted with an aqueous solution with the concentration of elements (mg/ml: cobalt 31,11 and Nickel 15,39. The impregnated carrier is then dried in a stream of hot air at temperatures up to 120oC for 6 hours and subjected to the heat treatment step to a temperature of 600oC.

As chromium compounds copper and compounds promoters of cobalt and Nickel using acetic acid salt.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 6,70

The copper oxide - 3,50

The cobalt oxide - 3,35

Nickel oxide - 1,50

The titanium oxide - 10,00

Alumina - Rest

including

Magnesium oxide - 0,3

The silicon oxide - 0,1

The barium oxide - 0,5

The phase composition of the catalyst is a complex structure, including the connection of several elements (aluminum, titanium, magnesium, silicon, barium) type solid solutions; complex oxygen-containing oxides of the elements; compounds of elements (aluminum, copper, cobalt, Nickel) with the crystal lattice of the spinel type and unidentified compounds.

Example 9

For the preparation of the catalyst used 62 the additional connections add 113,74 g of hydrated compounds of iron and 289,33 g of hydrated compounds of magnesium. The mixture was thoroughly mixed and added part of the plasticizer (~30-35% of the total volume of an aqueous solution of nitric acid based Mto=0.2) and continue mixing until a homogeneous mass.

Then in the resulting composition is administered 30 g of copper oxide, 20 g of magnesium oxide, 20 g of iron oxide and 230,26 g of chromium oxide. Compounds of magnesium and iron are used as promoters. In catalyst charge is injected the remainder of the plasticizer and mix to a plastic state.

When ready catalyst mass is formed into pellets with a diameter of 4.0 mm Granules provalivajut in air, dried and calcined at 600oC.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide is 17.5

The copper oxide - 3,0

Magnesium oxide - 22,0

The iron oxide to 12.0

Alumina - Rest

The phase composition of the catalyst is a structure consisting of simple oxides of the elements; complex mixed connection elements (aluminum, copper, magnesium, iron, chromium) with the structure of spinel solid solutions and unidentified compounds.

Example 10

The catalyst is prepared analogously to example 6, but as nositelya, containing compounds of magnesium, 50 g of wood flour and as additional connections 430 g of magnesium oxide. The specific surface of the carrier 207 m2/g, a water capacity of 1.0 ml/g, the cylinder diameter of 4.0 mm

Then, 750 g of the carrier impregnated at room temperature on capacity the water-alcohol solution (in a ratio of 4:1) with the concentration of elements (mg/ml: chromium 72,98; copper 21,30 and magnesium (promoter) 120,61. The impregnated carrier is dried in a stream of hot air at temperatures up to 150oWith and subjected to the heat treatment step to temperatures of 600oC.

As chromium compounds and use copper oxides, and compounds of magnesium (promoter) using acetic acid salt.

The proposed catalyst has the following composition in terms of oxides, wt.%:

The chromium oxide - 8,0

The copper oxide - 2,0

Magnesium oxide - 58,0

Alumina - Rest

including

Magnesium oxide - 2,0

The phase composition of the catalyst is a complex structure, including simple and complex oxides of the elements, mixed connection elements (aluminum, copper, magnesium) with the structure of the spinel type, oxygen-containing compounds of elements (aluminum, copper, magnesium, chromium) t is g of manganese dioxide are mixed and moisturize the plasticizer to obtain a homogeneous mass. The resulting mass ekstragiruyut into pellets with a diameter of 6-7 mm, Annealing is carried out at a temperature of 600oWith 6 hours.

The catalyst has the following composition, wt.%:

The copper oxide - 3,0

The chromium oxide - 2,0

Manganese dioxide - 11,0

Fireclay - Rest

Data on the composition of the catalysts according to the given examples are presented in table 1.

Table 2 presents data on the catalytic activity in the reaction of deep oxidation of n-butane and carbon monoxide and the mechanical strength of the inventive catalyst and the prototype. As can be seen from the table, the inventive catalyst has a higher catalytic activity in the above oxidation reaction and mechanical strength compared with the prototype.

The drawing shows the test results of the proposed catalyst solution in the oxidation of propane and a mixture of propane with 0,1% vol. SO2. As can be seen from the drawing, the developed catalysts retain high activity in the presence of sulfur compounds in comparison with the known solution.

1. The catalyst for deep oxidation of organic compounds and carbon monoxide in the gas emissions, including connection is as an additional connection at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium, as the promoter is at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium, with the following ratio of components in terms of oxides, wt.%:

The chromium oxide - 2-15

The copper oxide - 2-15

The oxide of at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium - 2-15

The oxide of at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium - 0,01-45

Alumina - Rest

2. The catalyst p. 1, characterized in that the precursor compound of aluminium is the product obtained by the rapid dehydration of trihydroxide aluminum and having a composition of Al2O3nH2O, where n=0,03-2,0.

3. Catalyst under item 1 or 2, characterized in that the connection of aluminum contains at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron in an amount of 0.01-2.0 wt.% in terms of oxides.

4. A method of producing a catalyst for deep oxidation of organic compounds and carbon monoxide in the gas emissions by mixing compounds of chromium, copper, is different, however, as the aluminum compounds used hydrated compound of aluminum composition of Al2O3nH2O, where n= 0,03-2,0, capable of combining with acids, basic salts of aluminum, which is mixed with at least one additional connection element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium, in the resulting composition add oxygen-containing compounds of chromium, copper and the promoter is at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium, then type plasticizer to obtain a plastic mass is formed into subsequent crop has wilted granules, dried calcined at 500-600oWith, and get the catalyst in the following ratio of components in terms of oxides, wt.%:

The chromium oxide - 2-15

The copper oxide - 2-15

The oxide of at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium - 2-15

The oxide of at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium - 0,01-45

Alumina - Rest

5. The method according to p. 4, characterized in that the plasticizer used="ptx2">

6. The method according to p. 4, characterized in that the hydrated compound of aluminum composition of Al2O3nH2O, where n=0,03-2,0, contains at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron in an amount of 0.01-2.0 wt.% in terms of oxides.

7. The method according to p. 4, characterized in that the precursor compound of aluminium is the product obtained by the rapid dehydration of trihydroxide aluminum, and having a composition of Al2O3nH2O, where n=0,03-2,0.

8. A method of producing a catalyst for deep oxidation of organic compounds and carbon monoxide in the gas emissions by impregnation of the carrier, including the connection of aluminum, an additional connection, a solution containing compounds of chromium, copper and promoter, drying and calcination, characterized in that as the carrier is used the composition of the aluminum compounds with at least one additional connection element from the group of alkali and alkaline earth metals, silicon, iron, titanium, zirconium, cerium, which is impregnated with a solution containing compounds of chromium, copper and the promoter is at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, as the following ratio of components in terms of oxides, wt.%:

The chromium oxide - 2-15

The copper oxide - 2-15

The oxide of at least one compound of a metal from the group of magnesium, Nickel, manganese, cobalt, iron, vanadium - 2-15

The oxide of at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron, titanium, zirconium, cerium - 0,01-45

Alumina - Rest

9. The method according to p. 8, characterized in that the connection of aluminum contains at least one connection element from the group of alkali and alkaline-earth metals, silicon, iron in an amount of 0.01-2.0 wt.% in terms of oxides.

10. The method according to p. 8, characterized in that the precursor compound of aluminium is the product obtained by the rapid dehydration of trihydroxide aluminum and having a composition of Al2O3nH2O, where n=0,03-2,0.

 

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