CN108479785A - A kind of anti-applications catalyst of high-temperature water gas conversion and its manufacturing method - Google Patents
A kind of anti-applications catalyst of high-temperature water gas conversion and its manufacturing method Download PDFInfo
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- 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
- B01J23/80—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 zinc, cadmium or mercury
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- 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
- B01J23/74—Iron group metals
- B01J23/755—Nickel
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
- C01B3/16—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
- C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
- C01B3/40—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts characterised by the catalyst
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K3/00—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide
- C10K3/02—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide by catalytic treatment
- C10K3/04—Modifying the chemical composition of combustible gases containing carbon monoxide to produce an improved fuel, e.g. one of different calorific value, which may be free from carbon monoxide by catalytic treatment reducing the carbon monoxide content, e.g. water-gas shift [WGS]
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- 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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Abstract
The invention discloses a kind of anti-applications catalysts of high-temperature water gas conversion, are made of two ingredients and iron that are selected in nickel, cobalt and zinc；When preparation, iron presoma is added into distilled water, mixes to close by magnetic stirrer and stir, is stirred for after two ingredient additions are selected in nickel presoma, cobalt precursor and zinc precursor；Distilled water and sodium carbonate mixed liquor are added, it is rear dry；Distilled water and sodium hydroxide mixed liquor, washing, the solid drying after washing are added, then cracks processing.The present invention catalyst be include iron, and two ingredients are selected from nickel, cobalt and zinc, not comprising chromium three compositions system composite catalyst, in being reacted applied to high-temperature water gas conversion, compared with the Fe-Cr-Al electrical heating alloy used before, have the advantages that the efficiency of carbon monoxide is high, the noble metal of high price is replaced using base metal, economy and practicability are more preferable.
Description
Technical field
The present invention relates to a kind of catalyst, the anti-applications catalyst of specifically a kind of high-temperature water gas conversion and its manufacturer
Method.
Background technology
Nearest Many researchers and futurist think that the energy that replaces of lack of energy problem is hydrogen.Very at present
More researchers are carrying out about the research of hydrogen, and the engineering in general producing hydrogen is fuel reforming, high-temperature water gas conversion
Reaction, low-temperature water gas shift reaction, is formed by the Selective Oxidation of carbon monoxide.
Although pure hydrogen is the optimal energy in energy resource system of new generation, due to safety and storage problem,
It uses extremely difficult.Therefore, be actively being implemented research, with natural-gas such as Reformed Gasoline or alcohol, to production and
Utilize hydrogen fuel.By reforming hydrogen, hydrogen is not only needed, but also will produce the oxidation that fuel cell is driven with byproduct
Carbon.
The carbon monoxide of generation is reacted by water-gas, and a part is transformed to carbon dioxide, but a no oxygen of transformation
It is necessary additional oxidation or removal to change carbon.
Iron-chromium-based catalysts are to possess relatively high activity in high-temperature water gas conversion reaction, are mainly made up to now
With.Iron-chromium-based catalysts are using there are the Cr VIs of 1 weight % in rear catalyst.Cr VI is harmful substance,
Cr VI is counted as toxicant by the U.S., the developed countries such as Europe.It it requires high-temperature water gas of the exploitation not comprising chromium
Transformationreation catalyst.It is reported that the catalyst including noble metal is very high with catalyst activity to water gas shift reaction recently,
But the selling at exorbitant prices of noble metal, it is therefore desirable to exploitation active high catalyst not comprising noble metal.
Invention content
The purpose of the present invention is to provide a kind of anti-applied catalysis of non-chromium high-temperature water gas conversion of removal carbon monoxide
Agent and its manufacturing method, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of anti-applications catalyst of high-temperature water gas conversion is made of two ingredients and iron that are selected in nickel, cobalt and zinc.
As a further solution of the present invention：
The anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 82-
96%, nickel 3-15%, zinc 1-3%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma, nickel presoma, cobalt precursor and zinc precursor as raw material respectively, according to the metal
The above-mentioned presoma dosage of range computation of the weight percent of content simultaneously takes the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 180-220mL, mixes to close by magnetic stirrer and stir, before nickel
It drives in body, cobalt precursor and zinc precursor and is stirred for after two ingredient additions of selection；
(3) above-mentioned aqueous solution is stirred into 1-1.2h, adjusts its pH value to 2.5-3 is reached, adds 90-110mL distilled water
With 9-11g sodium carbonate mixed liquors, the dry 0.8-1.2h at 65-75 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to 7-8 is reached, and adds 90-110mL distilled water and 9-11g hydrogen-oxygens
Change sodium mixed liquor, recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 95-105 DEG C of oven dry 15-17h, is positioned over again after taking-up
Cracking processing 4.5-5.5h obtains finished catalyst in 400-600 DEG C of electric furnace.
As further scheme of the invention：
The iron presoma is Fe(NO3)39H2O, and nickel presoma is Nickelous nitrate hexahydrate, and cobalt precursor is six hydrations
Cobalt nitrate, zinc precursor are zinc nitrate hexahydrate.
Compared with prior art, the beneficial effects of the invention are as follows：
The catalyst of the present invention be include iron, and select two ingredients from nickel, cobalt and zinc, do not include three groups of chromium fissions
Series composite catalyst is applied in high-temperature water gas conversion reaction, compared with the iron-chromium-based catalysts used before, has one
The high advantage of the efficiency of carbonoxide, the noble metal of high price is replaced using base metal, economy and practicability are more preferable.
Description of the drawings
Fig. 1 is the schematic diagram according to the reaction equipment of the high-temperature water gas conversion reaction of the present invention.
Fig. 2 is the carbon monoxide transition rate signal of the catalyst of bicomponent system when showing different temperatures according to the present invention
Figure.
Fig. 3 is an oxidation of the catalyst of three-component system and custom catalysts when showing different temperatures according to the present invention
The schematic diagram of carbon transition rate.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-3, a kind of anti-applications catalyst of high-temperature water gas conversion, by selected in nickel, cobalt and zinc two at
Divide and iron forms.
Embodiment 1
A kind of anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 96%,
Nickel 3%, zinc 1%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma, nickel presoma and zinc precursor as raw material respectively, according to the weight of the tenor
The above-mentioned presoma dosage of range computation of percentage simultaneously takes the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 180mL, mixes to close by magnetic stirrer and stir, by nickel presoma
It is stirred for after being added with zinc precursor；
(3) above-mentioned aqueous solution is stirred into 1h, adjusts its pH value to reaching 2.5, adds 90mL distilled water and 9g sodium carbonate
Mixed liquor, the dry 0.8h at 65 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to reaching 7, adds 90mL distilled water and the mixing of 9g sodium hydroxides
Liquid recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 95 DEG C of oven dry 15h, is positioned over 400 DEG C after taking-up again
Cracking processing 4.5h obtains finished catalyst in electric furnace.
Embodiment 2
A kind of anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 88%,
Cobalt 10%, zinc 2%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma, cobalt precursor and zinc precursor as raw material respectively, according to the weight of the tenor
The above-mentioned presoma dosage of range computation of percentage simultaneously takes the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 200mL, mix by magnetic stirrer close stirring, by cobalt precursor,
It is stirred for after zinc precursor addition；
(3) above-mentioned aqueous solution is stirred into 1.1h, adjusts its pH value to reaching 2.75, adds 100mL distilled water and 10g carbon
Sour sodium mixed liquor, the dry 1h at 70 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to reaching 7.5, adds 100mL distilled water and 10g sodium hydroxides are mixed
Liquid is closed, recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 100 DEG C of oven dry 16h, is positioned over 500 DEG C after taking-up again
Cracking processing 5h obtains finished catalyst in electric furnace.
Embodiment 3
A kind of anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 82%,
Nickel 15%, cobalt 3%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma, nickel presoma, cobalt precursor as raw material respectively, according to the weight of the tenor
The above-mentioned presoma dosage of range computation of percentage simultaneously takes the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 220mL, mix by magnetic stirrer close stirring, by nickel presoma,
It is stirred for after cobalt precursor addition；
(3) above-mentioned aqueous solution is stirred into 1.2h, adjusts its pH value to reaching 3, adds 110mL distilled water and 11g carbonic acid
Sodium mixed liquor, the dry 1.2h at 75 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to reaching 8, adds 110mL distilled water and the mixing of 11g sodium hydroxides
Liquid recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 105 DEG C of oven dry 17h, is positioned over 600 DEG C after taking-up again
Cracking processing 5.5h obtains finished catalyst in electric furnace.
Comparative example 1
A kind of anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 90%,
Nickel 10%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma, nickel presoma as raw material respectively, according to the model of the weight percent of the tenor
It encloses and calculates above-mentioned presoma dosage and take the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 180mL, mixes to close by magnetic stirrer and stir, by nickel presoma
It is stirred for after addition；
(3) above-mentioned aqueous solution is stirred into 1h, adjusts its pH value to reaching 2.5, adds 90mL distilled water and 9g sodium carbonate
Mixed liquor, the dry 0.8h at 65 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to reaching 7, adds 90mL distilled water and the mixing of 9g sodium hydroxides
Liquid recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 95 DEG C of oven dry 15h, is positioned over 400 DEG C after taking-up again
Cracking processing 4.5h obtains finished catalyst in electric furnace.
Comparative example 2
A kind of anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 92%,
Cobalt 8%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma, cobalt precursor as raw material respectively, according to the model of the weight percent of the tenor
It encloses and calculates above-mentioned presoma dosage and take the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 200mL, mixes to close by magnetic stirrer and stir, by cobalt precursor
It is stirred for after addition；
(3) above-mentioned aqueous solution is stirred into 1.1h, adjusts its pH value to reaching 2.75, adds 100mL distilled water and 10g carbon
Sour sodium mixed liquor, the dry 1h at 70 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to reaching 7.5, adds 100mL distilled water and 10g sodium hydroxides are mixed
Liquid is closed, recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 100 DEG C of oven dry 16h, is positioned over 500 DEG C after taking-up again
Cracking processing 5h obtains finished catalyst in electric furnace.
Comparative example 3
A kind of anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 96%,
Zinc 4%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma and zinc precursor as raw material respectively, according to the weight percent of the tenor
The above-mentioned presoma dosage of range computation simultaneously takes the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 220mL, mixes to close by magnetic stirrer and stir, by zinc precursor
It is stirred for after two ingredient additions of middle selection；
(3) above-mentioned aqueous solution is stirred into 1.2h, adjusts its pH value to reaching 3, adds 110mL distilled water and 11g carbonic acid
Sodium mixed liquor, the dry 1.2h at 75 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to 7-8 is reached, and adds 90-110mL distilled water and 9-11g hydrogen-oxygens
Change sodium mixed liquor, recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 105 DEG C of oven dry 17h, is positioned over 600 DEG C after taking-up again
Cracking processing 5.5h obtains finished catalyst in electric furnace.
Comparative example 4
A kind of anti-applications catalyst of high-temperature water gas conversion, is made of the raw material as follows according to weight percent：Iron 90%,
Chromium 8%, copper 2%.
The preparation method of the anti-applications catalyst of high-temperature water gas conversion, is as follows：
(1) take iron presoma, copper presoma, chromium presoma as raw material respectively, according to the weight of the tenor
The above-mentioned presoma dosage of range computation of percentage simultaneously takes the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 200mL, mix by magnetic stirrer close stirring, by copper presoma,
It is stirred for after the addition of chromium presoma；
(3) above-mentioned aqueous solution is stirred into 1.1h, adjusts its pH value to reaching 2.75, adds 100mL distilled water and 10g carbon
Sour sodium mixed liquor, the dry 1h at 70 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to reaching 7.5, adds 100mL distilled water and 10g sodium hydroxides are mixed
Liquid is closed, recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 100 DEG C of oven dry 16h, is positioned over 500 DEG C after taking-up again
Cracking processing 5h obtains finished catalyst in electric furnace.
Existing catalyst is more in LNG access times, but LPG is because reduction radix uses very difficult, work more
Property also low, occurrence features substance or precious metal etc..But the catalyst of the present invention can also be used in LPG, and it is existing
Some catalyst are high compared to activity, practicability, the extraordinary catalyst of economy.The principal component of LPG is propane and butane, with
Reaction coal gas is by the way that preferably production hydrogen and one aoxidizes after steam reforming reaction when LPG is the steam reforming reaction of fuel
The water-gas that carbon is formed, but pass through comprising a small amount of methane and carbon monoxide in the water-gas of steam reforming reaction, also
Moisture.In addition, if reaction only additive amount with steam reforming reaction molar ratio carry out if, it is possible to create undesired carbon and
Catalyst is caused to become inactive, so compared to molar ratio, a large amount of water input steam shift reaction.Such ratio is usual
It is marked with C/H.Therefore 30% propane and 70% butane are LPG combustion gas (the C/H ratios 1 of composition:3) it is used as raw material to carry out water steaming
After vapour reforming reaction, according to unreacted methane and water and side reaction, the water-gas for including carbon monoxide is generated, water vapour is passed through
The water-gas of interconversion rate 85% is equally formed with table 1 after reforming reaction.The experiment method of the present invention has used table 1 to form
Coal gas is reacted, tests the catalyst carbon monodixe conversion rate of the present invention, the existing catalyst of experimental result, which is compared, has higher
Activity.
Table 1 is used as the composition of the gas of reaction
In order to which high-temperature water gas conversion reacts, "-" type stainless steel reactor is set inside electric furnace of the present invention, passes through temperature
It spends adjuster and keeps reaction temperature, the oxidation that reactant is used continuously through the Catalytic Layer in reactor when reaction
The amount of carbon, carbon dioxide, hydrogen, methane is the control of use quality flow regulator, and the amount of water vapour is to be controlled to inject with syringe pump
Speed.The air speed setting 48000ml/g- of reactant is catalyzed h, and water vapour is that the character injection of water is entered, and water is straight at 100 DEG C
It connects and is gasificated into water vapour and sees, reaction equipment devises and other reactant coal gas perfections mixing flow into inside reactors.High temperature
Water gas shift reaction is at 350 DEG C, 375 DEG C, 400 DEG C, 425 DEG C, and 450 DEG C carry out.
The type and amount of product are carbon monodixe conversion rates using following calculation by gas chromatographic analysis：
CO interconversion rates (%)=(discharge CO is confiscated/supply CO and confiscate) * 100%.It can find out with Fig. 3 according to fig. 2, catalyst of the invention
CO transition rates it is more excellent.
The iron presoma is Fe(NO3)39H2O, and nickel presoma is Nickelous nitrate hexahydrate, and cobalt precursor is six hydrations
Cobalt nitrate, zinc precursor are zinc nitrate hexahydrate.The use of the reasons why such metal precursor is the metal for oxide form
That mixing is easy on aqueous solution, the especially presoma of nitrate form has and is easier to buy, relative low price it is excellent
Point.
The catalyst of the present invention be include iron, and select two ingredients from nickel, cobalt and zinc, do not include three groups of chromium fissions
Series composite catalyst is applied in high-temperature water gas conversion reaction, compared with the iron-chromium-based catalysts used before, has one
The high advantage of the efficiency of carbonoxide, the noble metal of high price is replaced using base metal, economy and practicability are more preferable.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (4)
1. a kind of anti-applications catalyst of high-temperature water gas conversion, which is characterized in that by two ingredients being selected in nickel, cobalt and zinc with
And iron composition.
2. the anti-applications catalyst of high-temperature water gas conversion according to claim 1, which is characterized in that by as follows according to weight
The raw material of percentage forms：Iron 82-96%, nickel 3-15%, zinc 1-3%.
3. a kind of preparation method of the anti-applications catalyst of high-temperature water gas conversion as described in claim 1, which is characterized in that tool
Steps are as follows for body：
(1) take iron presoma, nickel presoma, cobalt precursor and zinc precursor as raw material respectively, according to the tenor
Weight percent the above-mentioned presoma dosage of range computation and take the desired amount of presoma spare；
(2) iron presoma is added into the distilled water of 180-220mL, mix by magnetic stirrer close stirring, nickel presoma,
It is stirred for after selecting two ingredient additions in cobalt precursor and zinc precursor；
(3) above-mentioned aqueous solution is stirred into 1-1.2h, adjusts its pH value to 2.5-3 is reached, adds 90-110mL distilled water and 9-
11g sodium carbonate mixed liquors, the dry 0.8-1.2h at 65-75 DEG C；
(4) pH value of the product after above-mentioned drying is adjusted to 7-8 is reached, and adds 90-110mL distilled water and 9-11g sodium hydroxides
Mixed liquor recycles decompression separation machine that sediment is washed with distilled water more than three times；
(5) solid after above-mentioned washing is positioned in 95-105 DEG C of oven dry 15-17h, is positioned over 400- after taking-up again
Cracking processing 4.5-5.5h obtains finished catalyst in 600 DEG C of electric furnace.
4. the preparation method of the anti-applications catalyst of high-temperature water gas conversion according to claim 3, which is characterized in that described
Iron presoma be Fe(NO3)39H2O, nickel presoma be Nickelous nitrate hexahydrate, cobalt precursor is cabaltous nitrate hexahydrate, zinc precursor
Body is zinc nitrate hexahydrate.
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