CN106466598A - A kind of active carrier for denitrating catalyst and preparation method thereof - Google Patents
A kind of active carrier for denitrating catalyst and preparation method thereof Download PDFInfo
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- CN106466598A CN106466598A CN201610815342.8A CN201610815342A CN106466598A CN 106466598 A CN106466598 A CN 106466598A CN 201610815342 A CN201610815342 A CN 201610815342A CN 106466598 A CN106466598 A CN 106466598A
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- 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
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Abstract
The invention discloses a kind of active carrier for denitrating catalyst and preparation method thereof, in terms of mass fraction, active carrier includes 5～15 parts of ceria, 5～15 parts of Tungstic anhydride. or molybdenum trioxide, 2～20 parts of silicon dioxide, and 50～80 parts of titanium dioxide；Active carrier provided by the present invention for denitrating catalyst, change less with respect to traditional denitrating catalyst preparation technology system, both can serve as traditional vanadium containing catalystses carrier, it is also used as no vanadium environment-friendly catalyst carrier and low-temperature denitration catalyst carrier, be suitable for activator raw material producer and Catalyst Production producer puts into rapidly large-scale production.
Description
Technical field
The invention belongs to atmosphere polluting controling technology field, it is related to a kind of active carrier for denitrating catalyst and its system
Preparation Method.
Background technology
Nitrogen oxide NOx is that mankind's activity is discharged into one of major pollutants in atmospheric environment, to health and life
The huge threat of state environment structure.Coal fired power plant flue gas and Industrial Boiler flue gas account for the overwhelming majority of Chinese NOx emission total amount, because
This, carry out denitration purified treatment for this kind of stationary source flue gas particularly important for In The Atmosphere Over China pollution control.With NH3For reduction
It is good that the denitration technology of agent has efficiency high, a selectivity, the advantage such as with low cost, it has also become most effective is also widely used fixation
Source gas denitrifying technology.
The at present denitrating catalyst V of commercial applications2O5-WO3(MoO3)/TiO2Although, have preferably at 350-420 DEG C
Catalysis activity and N2Selectivity, but this catalyst has following obvious technological deficiency.
1)V2O5There is toxicity, ecological environmental and human health impacts are harmful to.In August, 2014 Environment Protect in China portion issues
《With regard to strengthening the notice of waste flue gas denitration catalyst supervision》, formally vanadium titanium system flue gas catalyst is included hazardous waste
It is managed.This will result directly in the operation of vanadium containing catalystses, cost of disposal goes up.On the other hand, V2O5Easily by SO2Oxidation
Become SO3, lead to flue blocking, corrosion.Therefore, the exploitation of non-vanadium catalyst, and improve non-vanadium catalyst in normal work
The denitration efficiency making temperature window becomes problem demanding prompt solution.
2), before being generally disposed at dedusting and desulfurization equipment due to the denitrating system of stationary source, long-lasting catalytic is led to exist
Run under conditions of severe, the SO of substantial amounts of dust and high concentration2The activity of impact catalyst and life-span.Therefore, improve and take off
The structural strength of denox catalyst, including axial compression strength, radial crushing strength and wear weight loss rate, becomes impact catalyst real
The key of border service life.
3) if after denitration is placed in dedusting and desulfurization, under the conditions of low temperature low dirt low-sulfur, operation is although in very great Cheng
Abrasion and the pollution problem of catalyst avoided on degree, but the activity of (200-250 DEG C) denitrating catalyst at this temperature
Not high.Therefore, the research of low temperature catalyst is become to the new focus of denitrating catalyst research.
Content of the invention
Present invention solves the problem in that providing a kind of active carrier for denitrating catalyst and preparation method thereof, this work
Property denitration catalyst carrier has high intensity high activity, is applicable to no vanadium catalyst, or can further apply cryogenic conditions
Under, can be widely applied for coal-fired power plant, Industrial Boiler and waste incineration.
The present invention is to be achieved through the following technical solutions：
A kind of active carrier for denitrating catalyst, in terms of mass fraction, including 5～15 parts of ceria, 5～15
Part Tungstic anhydride. or molybdenum trioxide, 2～20 parts of silicon dioxide, and 50～80 parts of titanium dioxide.
Titanium dioxide Detitanium-ore-type structure and weak ceria fluorite knot is shown in the XRD result of described active carrier
Structure.
In described active carrier ceria, Tungstic anhydride. and silicon dioxide with unformed form high dispersive in titanium dioxide
Surface.
Described titanium dioxide is to be provided with titanium dioxide for raw material, and silicon dioxide is to be provided with Ludox for raw material, dioxy
Changing cerium is provided with the ammonium salt of cerium or nitrate for raw material, and Tungstic anhydride. is provided with the ammonium salt of tungsten or nitrate for raw material, three oxidations
Molybdenum is provided with the ammonium salt of molybdenum or nitrate for raw material.
A kind of preparation method of the described active carrier for denitrating catalyst, operates including following：
1) titanium dioxide and Ludox are added to the water, are sufficiently stirred for, until titanium dioxide is no longer entirely wetted, making suspension
a；
2) by the cerium salt of solubility and tungsten salt or cerium salt is simultaneously soluble in water with molybdenum salt, it is sufficiently stirred for making solution b；
3) solution b is poured into dipping stirring in suspension a, be subsequently adding strong aqua ammonia, continue stirring to pasty state, after drying
To catalyst active carrier.
The preparation method of the described active carrier for denitrating catalyst, specifically includes following operation：
1) Ludox of titanium dioxide and mass concentration 30～40% is added in deionized water, at 40 DEG C stirring until
Titanium dioxide is no longer entirely wetted, and makes suspension a；
2) by cerous nitrate and ammonium metatungstate, or cerous nitrate and metamolybdic acid ammonium are dissolved in deionized water simultaneously, at 40 DEG C
Solution b is made in stirring；
3) solution b is poured into dipping stirring at 40 DEG C in suspension a, the ammonia adding mass concentration 40～60% in 1～3 hour
Water, is then heated to 80～90 DEG C and continues stirring to pasty state, and the bulk of drying is smashed to pieces, is catalyzed by 120～140 DEG C of drying
Agent active carrier.
In terms of mass fraction, described titanium dioxide is 53～85 parts, and Ludox is 2～20 parts, and deionized water is 2～5 parts；Nitre
Sour cerium is 5～15 parts, and ammonium metatungstate or metamolybdic acid ammonium are 5～15 parts, and deionized water is 2～5 parts, and ammonia is 1～2 part.
The described active carrier for denitrating catalyst preparation containing vanadium denitration catalyst or in application.
Application in preparing non-vanadium denitration catalyst for the described active carrier for denitrating catalyst.
The described out of stock catalyst of non-vanadium is denitrating catalyst containing zirconium or denitrating catalyst containing manganese.
Compared with prior art, the present invention has following beneficial technique effect：
Provided by the present invention for the active carrier of denitrating catalyst, there is high intensity (ratio conventional catalyst support intensity
Improve about 10%, reach 230N/cm3), high activity, bigger serface (95 ± 5m2/ g) characteristic；And prepared using it as carrier
The denitration efficiency of catalyst be above traditional denitrating catalyst, have its catalysis when more than 350 DEG C in the case of partial catalyst
Effect can reach 100%；Its specific surface area, can be applied to the preparation of the SCR catalyst under complicated flue gas condition.
Provided by the present invention for the active carrier of denitrating catalyst, with respect to traditional denitrating catalyst preparation technology system
Change less, both can serve as traditional vanadium containing catalystses carrier it is also possible to be used as no vanadium environment-friendly catalyst carrier and low temperature
Denitration catalyst carrier, is suitable for activator raw material producer and Catalyst Production producer puts into rapidly large-scale production.
Provided by the present invention for the active carrier of denitrating catalyst, the extrusion molding of honeycomb catalyst both can be realized,
The molding of particulate filler formula catalyst can also be adapted to it is adaptable to multiple stationary source denitration, application prospect is extensive.
Brief description
Fig. 1 is the phase structure of the denitration catalyst carrier of the present invention.
Fig. 2 is with one of phase structure of vanadium containing catalystses of catalyst carrier preparation of the present invention.
Fig. 3 is with the two of the phase structure of the vanadium containing catalystses of the catalyst carrier preparation of the present invention.
Fig. 4 is with the phase structure of the non-vanadium high temperature catalyst of the catalyst carrier preparation of the present invention.
Fig. 5 is with the phase structure containing vanadium low temperature catalyst of the catalyst carrier preparation of the present invention.
Fig. 6 is with the phase structure of the non-vanadium low temperature catalyst of the catalyst carrier preparation of the present invention.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, described be explanation of the invention and
It is not to limit.
Provided by the present invention for the active carrier of denitrating catalyst, in terms of mass fraction, including 5～15 parts of titanium dioxide
Cerium, 5～15 parts of Tungstic anhydride. or molybdenum trioxide, 2～20 parts of silicon dioxide, and 50～80 parts of titanium dioxide.
The preparation method of this active carrier, operates including following：
1) titanium dioxide and Ludox are added to the water, are sufficiently stirred for, until titanium dioxide is no longer entirely wetted, making suspension
a；
2) by the cerium salt of solubility and tungsten salt or cerium salt is simultaneously soluble in water with molybdenum salt, it is sufficiently stirred for making solution b；
3) solution b is poured into dipping stirring in suspension a, be subsequently adding strong aqua ammonia, continue stirring to pasty state, after drying
To catalyst active carrier.
Embodiment 1
High intensity high activity denitration catalyst carrier, step is as follows：
Step one：Respectively by 14.000g, the 40wt% Ludox of the titanium dioxide of 13.000g and 12.000g and 10.000g
It is added in 30mL deionized water, continuously stirred under 30～50 DEG C (preferably 40 DEG C) to obtain suspension 1,2 and 3 stand-by.
Step 2：Respectively by 2.254g, 4.508g and 4.508g cerous nitrate and 1.064g, 1.064g and 2.128g metatungstic acid
Ammonium (or 0.432g metamolybdic acid ammonia) is dissolved in 20mL deionized water, and stirring at 40 DEG C becomes solution 1,2 and 3.
Step 3：Respectively solution 1,2 and 3 is poured in suspension 1,2 and 3, dipping stirring at 40 DEG C, add after 2 hours
The ammonia of the mass concentration 60% of 10mL, is then heated to 80 DEG C and continues stirring to pasty state, 120 DEG C of drying.The bulk that will dry
Smash to pieces, obtain catalyst carrier #1,2# and #3.
After catalyst carrier obtained above is calcined 5 hours under the conditions of 500 DEG C, its XRD result figure as shown in figure 1,
Three kinds of support powders all show titanium dioxide Detitanium-ore-type structure and faint ceria fluorite structure, show titanium dioxide
Cerium, Tungstic anhydride. and silicon dioxide are with unformed form high dispersive in titanium dioxide surface.
Embodiment 2
With the vanadium containing catalystses of high intensity high activity carrier preparation, step is as follows：
Step one：Respectively by 0.026g, 0.078g, 0.258g, 0.388g and 0.775g ammonium metavanadate powder body and 1.000g
Oxalic acid is added in 20mL deionized water, and stirring at 60 DEG C is completely dissolved and becomes solution 4,5,6,7 and 8.
Respectively 0.516g ammonium metavanadate powder body and 2.000g oxalic acid are added in 40mL deionized water, stir at 60 DEG C
It is completely dissolved and become solution 9.
Step 2：Respectively by 19.980g, 19.940g, 19.800g, 19.700g and 19.400g catalyst carrier #1 adds
To in solution 4,5,6,7 and 8, dipping stirring 3 hours at 40 DEG C, it is then heated to 80 DEG C and continue stirring to pasty state, 120 DEG C of bakings
Dry.
The catalyst dried is calcined 5 hours under the conditions of 500 DEG C, obtains catalyst #4, #5, #6, #7 and #8.
Solution 9 is divided into 2 parts.Respectively 19.800g catalyst carrier #2 and #3 are added to 40 in aforesaid solution 9
Dipping stirring 3 hours at DEG C, are then heated to 80 DEG C and continue stirring to pasty state, 120 DEG C of drying.By the catalyst dried 500
Calcine 5 hours under the conditions of DEG C, obtain catalyst #9, #10.
Fig. 2 gives catalyst #4, the XRD result of #5, #6, #7 and #8, and Fig. 3 gives catalyst #6, #9's and #10
XRD result.Seven kinds of catalyst fineses only show titanium dioxide Detitanium-ore-type structure and faint ceria fluorite structure, table
Bright vanadic anhydride can be with high dispersive in catalyst surface.The active testing result of catalyst is as shown in table 1, several catalyst
Denitration efficiency is above traditional denitrating catalyst (150 DEG C of denitration efficiencies 10%).
The test condition of denitration reaction is：High temperature catalyst (150～450 DEG C), low temperature catalyst (150～350 DEG C), empty
Fast 60000h-1, NO concentration 500ppm, NH3Concentration 500ppm, O2Concentration 3%, N2For Balance Air.
Denitrating catalyst active testing result in table 1 denitration reaction
Embodiment 3
Non- vanadium high temperature catalyst is prepared with high intensity high activity carrier, step is as follows：
Step one：Respectively by 0.938g, 1.876g, 2.815g zirconium nitrate powder body is added in 50mL deionized water, 60
At DEG C, stirring is completely dissolved and becomes solution 10,11 and 12.
Step 2：Respectively by 19.500g, 19.000g and 18.500g catalyst carrier #1 is added to solution 10,11 and 12
In dipping stirring 3 hours at 40 DEG C, be then heated to 80 DEG C and continue stirring to pasty state, 120 DEG C of drying.The catalyst dried is existed
Calcine 5 hours under the conditions of 500 DEG C, obtain catalyst #11, #12 and #13.
Fig. 4 gives catalyst #11, the XRD result of #12, #13.It is sharp that three kinds of catalyst fineses only show titanium dioxide
Titanium ore type structure and faint ceria fluorite structure, show that zirconium dioxide can be with high dispersive in catalyst surface.Catalyst
Active testing result as shown in table 1, the denitration efficiency of several catalyst is above traditional denitrating catalyst.
Embodiment 4
Low temperature catalyst containing vanadium is prepared with high intensity high activity carrier, step is as follows：
Step one：1.550g ammonium metavanadate powder body and 2.000g oxalic acid are added in 40mL deionized water, at 60 DEG C
Stirring is completely dissolved and becomes solution, is then equally divided into two parts.Respectively by 2.530g and 5.060g ferric nitrate be added to two parts molten
In liquid, stirring at 60 DEG C is completely dissolved and becomes solution 13 and 14.
Step 2：Respectively 18.900g and 18.400g catalyst carrier #1 is added to solution 13, and soaks at 40 DEG C in 14
Stain stirs 3 hours, is then heated to 80 DEG C and continues stirring to pasty state, 120 DEG C of drying.By the catalyst dried in 500 DEG C of conditions
Lower calcining 5 hours, obtains catalyst #14 and #15.
Fig. 5 gives the XRD result of catalyst #14 and #15.Three kinds of catalyst fineses only show titanium dioxide anatase
Type structure and faint ceria fluorite structure, show that vanadic anhydride and iron sesquioxide can be with high dispersive in catalyst tables
Face.As shown in table 1, the denitration efficiency of several catalyst is above traditional denitrating catalyst to the active testing result of catalyst.
Embodiment 5
Non- vanadium low temperature catalyst is prepared with high intensity high activity carrier, step is as follows：
Step one：Respectively 1.029g and 2.058g manganese nitrate powder body is added in 20mL deionized water, stirs at 60 DEG C
Mix to be completely dissolved and become solution 15 and 16.
Step 2：Respectively 19.500g and 19.000g catalyst carrier #3 is added to solution 15, and soaks at 40 DEG C in 16
Stain stirs 3 hours, is then heated to 80 DEG C and continues stirring to pasty state, 120 DEG C of drying.By the catalyst dried in 500 DEG C of conditions
Lower calcining 5 hours, obtains catalyst #16 and #17.
Fig. 6 gives the XRD result of catalyst #16 and #17.Three kinds of catalyst fineses only show titanium dioxide anatase
Type structure and faint ceria fluorite structure, show that manganese dioxide can be with high dispersive in catalyst surface.The work of catalyst
Property test result as shown in table 1, the denitration efficiency of several catalyst is above traditional denitrating catalyst.
Example given above is to realize the present invention preferably example, the invention is not restricted to above-described embodiment.This area
Technical staff made according to the technical characteristic of technical solution of the present invention any nonessential interpolation, replacement, belong to this
The protection domain of invention.
Claims (10)
1. a kind of active carrier by denitrating catalyst is it is characterised in that in terms of mass fraction, including 5～15 parts of dioxy
Change cerium, 5～15 parts of Tungstic anhydride. or molybdenum trioxide, 2～20 parts of silicon dioxide, and 50～80 parts of titanium dioxide.
2. it is used for as claimed in claim 1 the active carrier of denitrating catalyst it is characterised in that the XRD of described active carrier
Titanium dioxide Detitanium-ore-type structure and weak ceria fluorite structure is shown in result.
3. it is used for as claimed in claim 1 the active carrier of denitrating catalyst it is characterised in that dioxy in described active carrier
Change cerium, Tungstic anhydride. and silicon dioxide with unformed form high dispersive in titanium dioxide surface.
4. be used for as claimed in claim 1 the active carrier of denitrating catalyst it is characterised in that described titanium dioxide be with
Titanium dioxide provides for raw material, and silicon dioxide is to be provided with Ludox for raw material, and ceria is former with the ammonium salt of cerium or nitrate
Material provides, and Tungstic anhydride. is provided with the ammonium salt of tungsten or nitrate for raw material, and molybdenum trioxide is with the ammonium salt of molybdenum or nitrate as raw material
There is provided.
5. the active carrier for denitrating catalyst described in a kind of claim 1 preparation method it is characterised in that include with
Lower operation：
1) titanium dioxide and Ludox are added to the water, are sufficiently stirred for, until titanium dioxide is no longer entirely wetted, making suspension a；
2) by the cerium salt of solubility and tungsten salt or cerium salt is simultaneously soluble in water with molybdenum salt, it is sufficiently stirred for making solution b；
3) solution b is poured into dipping stirring in suspension a, be subsequently adding strong aqua ammonia, continue stirring to pasty state, urged after drying
Agent active carrier.
6. the preparation method of active carrier being used for denitrating catalyst as claimed in claim 5 is it is characterised in that specifically include
Hereinafter operate：
1) Ludox of titanium dioxide and mass concentration 30～40% is added in deionized water, at 30～50 DEG C stirring until
Titanium dioxide is no longer entirely wetted, and makes suspension a；
2) by cerous nitrate and ammonium metatungstate, or cerous nitrate and metamolybdic acid ammonium are dissolved in deionized water simultaneously, stir at 40 DEG C
Make solution b；
3) solution b is poured into dipping at 40 DEG C in suspension a to stir, the ammonia adding mass concentration 40～60% in 1～3 hour,
It is then heated to 80～90 DEG C and continue stirring to pasty state, 120～140 DEG C of drying, the bulk of drying is smashed to pieces, obtains catalyst and live
Property carrier.
7. the preparation method of active carrier being used for denitrating catalyst as claimed in claim 6 is it is characterised in that divided with quality
Number meter, described titanium dioxide is 53～85 parts, and Ludox is 2～20 parts, and deionized water is 2～5 parts；Cerous nitrate is 5～15 parts, partially
Ammonium tungstate or metamolybdic acid ammonium are 5～15 parts, and deionized water is 2～5 parts, and ammonia is 1～2 part.
8. the active carrier for denitrating catalyst described in claim 1 preparation containing vanadium denitration catalyst or in application.
9. application in preparing non-vanadium denitration catalyst for the active carrier for denitrating catalyst described in claim 1.
10. described in claim 9 application it is characterised in that the described out of stock catalyst of non-vanadium be denitrating catalyst containing zirconium or
Denitrating catalyst containing manganese.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469809A (en) * | 2017-09-27 | 2017-12-15 | 安徽元琛环保科技股份有限公司 | A kind of high temperature denitrating catalyst composition and preparation method thereof |
| CN108097235A (en) * | 2017-11-27 | 2018-06-01 | 南京工业大学 | A kind of preparation method of the compound denitrating catalyst of layer structure |
| CN109201042A (en) * | 2018-11-07 | 2019-01-15 | 清华大学盐城环境工程技术研发中心 | A kind of preparation method and application of vanadium doping umbrella manganese-cerium composite oxide catalyst |
| CN114433071A (en) * | 2021-12-29 | 2022-05-06 | 江苏世清环保科技有限公司 | Denitration catalyst prepared by taking attapulgite as carrier and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040180783A1 (en) * | 2003-03-14 | 2004-09-16 | Shigeru Nojima | Flue gas denitration catalyst and preparation process |
| CN103263912A (en) * | 2013-05-27 | 2013-08-28 | 四川中自尾气净化有限公司 | Diesel vehicle tail gas purifying catalyst and preparation method thereof |
| CN103623808A (en) * | 2013-12-10 | 2014-03-12 | 柳景惠 | Selective catalytic reduction (SCR) catalyst and preparation method thereof |
| CN105107514A (en) * | 2015-08-17 | 2015-12-02 | 成都金鑫天蓝科技有限公司 | Honeycomb non-vanadium denitration shaping catalyst, preparation method and application thereof |
-
2016
- 2016-09-09 CN CN201610815342.8A patent/CN106466598A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040180783A1 (en) * | 2003-03-14 | 2004-09-16 | Shigeru Nojima | Flue gas denitration catalyst and preparation process |
| CN103263912A (en) * | 2013-05-27 | 2013-08-28 | 四川中自尾气净化有限公司 | Diesel vehicle tail gas purifying catalyst and preparation method thereof |
| CN103623808A (en) * | 2013-12-10 | 2014-03-12 | 柳景惠 | Selective catalytic reduction (SCR) catalyst and preparation method thereof |
| CN105107514A (en) * | 2015-08-17 | 2015-12-02 | 成都金鑫天蓝科技有限公司 | Honeycomb non-vanadium denitration shaping catalyst, preparation method and application thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469809A (en) * | 2017-09-27 | 2017-12-15 | 安徽元琛环保科技股份有限公司 | A kind of high temperature denitrating catalyst composition and preparation method thereof |
| CN108097235A (en) * | 2017-11-27 | 2018-06-01 | 南京工业大学 | A kind of preparation method of the compound denitrating catalyst of layer structure |
| CN108097235B (en) * | 2017-11-27 | 2021-04-20 | 南京工业大学 | Preparation method of composite denitration catalyst with layered structure |
| CN109201042A (en) * | 2018-11-07 | 2019-01-15 | 清华大学盐城环境工程技术研发中心 | A kind of preparation method and application of vanadium doping umbrella manganese-cerium composite oxide catalyst |
| CN109201042B (en) * | 2018-11-07 | 2021-08-10 | 清华大学盐城环境工程技术研发中心 | Preparation method and application of vanadium-doped umbrella-shaped manganese-cerium composite oxide catalyst |
| CN114433071A (en) * | 2021-12-29 | 2022-05-06 | 江苏世清环保科技有限公司 | Denitration catalyst prepared by taking attapulgite as carrier and preparation method thereof |
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