CN101982239A - Preparation method of composite metal oxide catalyst for catalytic combustion - Google Patents
Preparation method of composite metal oxide catalyst for catalytic combustion Download PDFInfo
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- CN101982239A CN101982239A CN201010503506.6A CN201010503506A CN101982239A CN 101982239 A CN101982239 A CN 101982239A CN 201010503506 A CN201010503506 A CN 201010503506A CN 101982239 A CN101982239 A CN 101982239A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 79
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 16
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 12
- 150000004706 metal oxides Chemical class 0.000 title abstract description 3
- 239000011259 mixed solution Substances 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 150000007524 organic acids Chemical class 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims description 19
- 239000011572 manganese Substances 0.000 claims description 19
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 18
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 239000000499 gel Substances 0.000 claims description 13
- 238000013467 fragmentation Methods 0.000 claims description 9
- 238000006062 fragmentation reaction Methods 0.000 claims description 9
- 229910021645 metal ion Inorganic materials 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000012266 salt solution Substances 0.000 claims description 8
- 150000002696 manganese Chemical class 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 4
- 229910002651 NO3 Inorganic materials 0.000 claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 150000001879 copper Chemical class 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 241000530268 Lycaena heteronea Species 0.000 claims description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical group [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 2
- 238000000227 grinding Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000003197 catalytic effect Effects 0.000 abstract description 7
- 150000001733 carboxylic acid esters Chemical class 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 21
- 238000006243 chemical reaction Methods 0.000 description 18
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 14
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 238000011156 evaluation Methods 0.000 description 8
- 239000010453 quartz Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000000975 co-precipitation Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 229910017566 Cu-Mn Inorganic materials 0.000 description 1
- 229910017816 Cu—Co Inorganic materials 0.000 description 1
- 229910017871 Cu—Mn Inorganic materials 0.000 description 1
- 229910018663 Mn O Inorganic materials 0.000 description 1
- 229910003176 Mn-O Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000593 microemulsion method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Abstract
The invention relates to a preparation method of a composite metal oxide catalyst for catalytic combustion. The method comprises the following steps: taking Cu and Mn salts and organic acid as raw materials; preparing the raw materials into a mixed solution according to a certain proportion; heating and evaporating the mixed solution at a certain temperature to form gel; and finally drying and roasting the gel to obtain the Cu and Mn composite oxide catalyst. The catalyst obtained by the method has the characteristics of low cost of the raw materials, simple preparation process, high catalytic activity and the like, and the catalyst can realize efficient removal of carboxylic esters by catalytic combustion.
Description
Technical field
The present invention relates to a kind of catalytic combustion O composite metallic oxide catalyst preparation method, relate in particular to a kind of O composite metallic oxide catalyst preparation method who is used for the carboxylic acid esters catalytic combustion, belong to the catalytic combustion environmental protection technical field.
Background technology
Organic exhaust gas is the common pollutant of petroleum chemical industry discharging, often contains hydrocarbon compound, oxygen-containing organic compound, nitrogenous, sulphur, halogen and organic phosphorus compound etc. in the organic exhaust gas.As these waste gas are not added processing, directly enter atmosphere and will cause severe contamination environment, be detrimental to health.
Traditional organic waste-gas purification method comprises absorption method, condensation method and direct firing method etc., these methods often have easy generation secondary pollution, energy consumption big, be subject to shortcomings such as organic exhaust gas concentration and temperature restriction.And catalytic combustion technology has received increasing concern with its treatment effeciency height, the advantage that do not produce secondary pollution and lower energy consumption.
Catalytic combustion is typical gas-solid-phase catalytic reaction, its essence is the deep oxidation effect that active oxygen participates in.In catalyticing combustion process, the effect of catalyst is to reduce activation energy, and catalyst surface has suction-operated simultaneously, makes reactant molecule be enriched in the surface and has improved reaction rate, has accelerated the carrying out of reaction.Can make organic exhaust gas under lower initiation temperature condition by catalyst, flameless combustion takes place, and oxidation Decomposition be CO
2And H
2O emits a large amount of heat energy simultaneously.
The industrialization catalyst for catalytic combustion mainly concentrates on the noble metal catalyst at present, and noble metal is used for the history that catalytic combustion has had decades, is that the Preparation of catalysts or the research of reaction mechanism have all obtained more deep research.The active order of noble metal in oxidation reaction is generally: Ru＜Rh＜Pd＜Os＜Ir＜Pt, consider rare property and high-temperature volatile, use is confined to Pd, Pt, these three kinds of elements of Rh, and for catalytic combustion, Pd and Pt are research and use maximum catalytically-active materials.The major defect of this class catalyst is resource scarcity, costs an arm and a leg, and anti-middle toxicity is poor, and people strive to find substitute always or reduce its consumption as far as possible.
Because the noble metal resource reduces day by day and costs an arm and a leg, the application of oxide in catalytic combustion of non-precious metal catalyst such as Cu, Mn, Co etc. is subjected to extensive attention.Yet single metal oxide catalyst activity is often not ideal enough, need be improved to improve its catalytic activity.O composite metallic oxide catalyst, as Cu-Mn, Cu-Co etc., such catalyst under certain conditions, can reach the catalytic effect of noble metal catalyst, be the focus of catalytic combustion area research, and many high performance composite oxide catalysts are are researched and developed.The supported complex oxide Catalysts Cu Mn/Al that adopted immersion process for preparing such as Huanghai Sea wind (Journal of Chemical Engineering of Chinese Universities 2004 (2), 152～155)
2O
3, prepared the Cu-Mn-O composite oxide catalysts with coprecipitation simultaneously, and investigated catalytic activity toluene.Owing to adopt the composite oxides of traditional infusion process and coprecipitation preparation to be difficult to guarantee multi-component abundant mixing, (Catalysis Today 2004 (93-95) such as Li, 205-209) adopt prepared by reverse microemulsion method and contained Mn catalyst series Mn-Cu, Mn-Zr, Mn-Fe etc., wherein, the Mn-Cu catalyst series is the highest to the catalytic activity of toluene, but this Preparation of catalysts need consume a large amount of organic matters, and preparation process complexity, cost are higher.
Summary of the invention
The objective of the invention is at present O composite metallic oxide catalyst have the preparation process complexity, cost is higher and each component of catalyst is mixed problems such as inhomogeneous, the preparation method of the composite oxide catalysts that a kind of catalytic combustion uses is proposed, it is low that prepared catalyst has a cost of material, preparation technology is simple, the catalytic activity advantages of higher.
Technical scheme of the present invention is: a kind of catalytic combustion preparation method of O composite metallic oxide catalyst, and concrete steps are as follows:
A. prepare the copper salt solution of 0.25～1mol/L, the manganese salt solution of 0.25～1mol/L and the organic acid soln of 0.2～0.5mol/L respectively;
B. copper salt solution, manganese salt solution and organic acid soln are made mixed solution; Wherein the mol ratio of Cu and Mn is 1: 1～7 in the mixed solution, and the mol ratio of organic acid and metal ion is 1～2: 1;
C. with mixed solution heating and be continuously stirring to the generation gel;
D. after gel drying, grinding, the roasting, obtain catalyst fines;
E. with catalyst fines compressing tablet, fragmentation, screening, obtain catalyst sample.
Above-mentioned mantoquita is preferably a kind of in nitrate, sulfate or the acetate of copper; A kind of in nitrate, sulfate or the acetate that preferred described manganese salt is manganese.Preferred described organic acid is a kind of in citric acid, oxalic acid or the glycolic.
The heating-up temperature of mixed solution is 60～90 ℃ among the preferred steps C.
Drying of gels temperature described in the preferred steps D is 100～120 ℃, and be 8～14h drying time; Sintering temperature is 400～700 ℃, and roasting time is 2～5h.
The average grain diameter of the prepared catalyst sample of the present invention is 0.2～0.6mm.
The prepared catalyst of the present invention can be used for the carboxylic acid esters catalytic combustion and removes; Preferred described carboxylate is one or more in methyl acetate, ethyl acetate or the propyl acetate.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Carboxylate concentration is 1～4g/m in the unstripped gas
3, reaction velocity is 12000～48000L/ (kgh).
Beneficial effect:
(1) catalytic combustion of the present invention's proposition is simple with the O composite metallic oxide catalyst preparation method, and raw material sources are extensive, cheap.
(2) catalytic combustion of the present invention preparation is with O composite metallic oxide catalyst catalytic activity height, and the catalytic combustion that can be widely used in carboxylic acid esters such as methyl acetate removes.
The specific embodiment
Embodiment 1
Cu (NO with the 0.5mol/L of 20mL
3)
2Solution, the Mn (NO of the 0.5mol/L of 20mL
3)
2The citric acid solution of the 0.5mol/L of solution and 40mL is made mixed solution, n (Cu): n (Mn)=1: 1 wherein, n (citric acid): n (metal ion (Cu+Mn))=1: 1.Mixed solution is transferred in 60 ℃ of water-baths heating and is continuously stirring to the generation gel, and 100 ℃ of dry 8h at 400 ℃ of roasting 2h, obtain catalyst sample at last.Catalyst is after compressing tablet, fragmentation, screening, and the catalyst that is averaged particle diameter and is 0.2mm is standby.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Reactor inside diameter is 14mm, and loaded catalyst is 0.5g, and methyl acetate concentration is about 4g/m in the unstripped gas
3, air speed 48000L/ (kgh).Reaction temperature is in the time of 500 ℃, and the conversion ratio of methyl acetate is 91.94%.
Embodiment 2
CuSO with the 0.25mol/L of 20mL
4Solution, the MnSO of the 0.25mol/L of 60mL
4The oxalic acid solution of the 0.2mol/L of solution and 120mL is made mixed solution, n (Cu): n (Mn)=1: 3 wherein, n (oxalic acid): n (metal ion)=1.2: 1.Mixed solution is transferred in 80 ℃ of water-baths heating and is continuously stirring to the generation gel, and 100 ℃ of dry 10h at 500 ℃ of roasting 2h, obtain catalyst sample at last.Catalyst is after compressing tablet, fragmentation, screening, and the catalyst that is averaged particle diameter and is 0.3mm is standby.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Reactor inside diameter is 14mm, and loaded catalyst is 0.5g, and methyl acetate concentration is about 2g/m in the unstripped gas
3, air speed 24000L/ (kgh).Reaction temperature is in the time of 500 ℃, and the conversion ratio of methyl acetate is 93.86%.
Embodiment 3
Cu (CH with the 0.25mol/L of 10mL
3COO)
2Solution, the Mn (CH of the 0.25mol/L of 50mL
3COO)
2The glycollic acid solution of the 0.25mol/L of solution and 90mL is made mixed solution, n (Cu): n (Mn)=1: 5 wherein, n (glycolic): n (metal ion)=1.5: 1.Mixed solution is transferred in 70 ℃ of water-baths heating and is continuously stirring to the generation gel, and 110 ℃ of dry 10h at 500 ℃ of roasting 3h, obtain catalyst sample at last.Catalyst is after compressing tablet, fragmentation, screening, and the catalyst that is averaged particle diameter and is 0.4mm is standby.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Reactor inside diameter is 14mm, and loaded catalyst is 0.5g, and methyl acetate concentration is about 2g/m in the unstripped gas
3, air speed 12000L/ (kgh).Reaction temperature is in the time of 500 ℃, and the conversion ratio of methyl acetate is 95.80%.
Embodiment 4
CuSO with the 0.25mol/L of 10mL
4Solution, the MnSO of the 0.25mol/L of 70mL
4The glycollic acid solution of the 0.25mol/L of solution and 96mL is made mixed solution, n (Cu): n (Mn)=1: 7 wherein, n (glycolic): n (metal ion)=1.2: 1.Mixed solution is transferred in 80 ℃ of water-baths heating and is continuously stirring to the generation gel, and 110 ℃ of dry 12h at 500 ℃ of roasting 3h, obtain catalyst sample at last.Catalyst is after compressing tablet, fragmentation, screening, and the catalyst that is averaged particle diameter and is 0.45mm is standby.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Reactor inside diameter is 14mm, and loaded catalyst is 0.5g, and methyl acetate concentration is about 2g/m in the unstripped gas
3, air speed 24000L/ (kgh).Reaction temperature is in the time of 500 ℃, and the conversion ratio of methyl acetate is 95.35%.
Embodiment 5
Cu (NO with the 1mol/L of 5mL
3)
2Solution, the Mn (NO of the 1mol/L of 15mL
3)
2The citric acid solution of the 0.5mol/L of solution and 80mL is made mixed solution, n (Cu): n (Mn)=1: 3 wherein, n (citric acid): n (metal ion)=2: 1.Mixed solution is transferred in 70 ℃ of water-baths heating and is continuously stirring to the generation gel, and 120 ℃ of dry 12h at 600 ℃ of roasting 4h, obtain catalyst sample at last.Catalyst is after compressing tablet, fragmentation, screening, and the catalyst that is averaged particle diameter and is 0.45mm is standby.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Reactor inside diameter is 14mm, and loaded catalyst is 0.5g, and methyl acetate concentration is about 2g/m in the unstripped gas
3, air speed 12000L/ (kgh).Reaction temperature is in the time of 500 ℃, and the conversion ratio of methyl acetate is 94.31%.
Embodiment 6
Cu (NO with the 0.5mol/L of 10mL
3)
2Solution, the Mn (NO of the 0.5mol/L of 50mL
3)
2The oxalic acid solution of the 0.5mol/L of solution and 90mL is made mixed solution, n (Cu): n (Mn)=1: 5 wherein, n (oxalic acid): n (metal ion)=1.5: 1.Mixed solution is transferred in 80 ℃ of water-baths heating and is continuously stirring to the generation gel, and 120 ℃ of dry 14h at 700 ℃ of roasting 4h, obtain catalyst sample at last.Catalyst is after compressing tablet, fragmentation, screening, and the catalyst that is averaged particle diameter and is 0.5mm is standby.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Reactor inside diameter is 14mm, and loaded catalyst is 0.5g, and methyl acetate concentration is about 2g/m in the unstripped gas
3, air speed 12000L/ (kgh).Reaction temperature is in the time of 500 ℃, and the conversion ratio of methyl acetate is 93.46%.
Embodiment 7
Cu (CH with the 0.25mol/L of 10mL
3COO)
2Solution, the Mn (CH of the 0.25mol/L of 70mL
3COO)
2The glycollic acid solution of the 0.5mol/L of solution and 48mL is made mixed solution, n (Cu): n (Mn)=1: 7 wherein, n (glycolic): n (metal ion)=1.2: 1.Mixed solution is transferred in 90 ℃ of water-baths heating and is continuously stirring to the generation gel, and 110 ℃ of dry 12h at 500 ℃ of roasting 5h, obtain catalyst sample at last.Catalyst is after compressing tablet, fragmentation, screening, and the catalyst that is averaged particle diameter and is 0.6mm is standby.
The catalyst activity evaluation is carried out in the continuous-flow fixed-bed quartz reactor.Reactor inside diameter is 14mm, and loaded catalyst is 0.5g, and ethyl acetate concentration is about 1g/m in the unstripped gas
3, air speed 12000L/ (kgh).Reaction temperature is in the time of 500 ℃, and the conversion ratio of ethyl acetate is 96.46%.
Claims (6)
1. a catalytic combustion is with the preparation method of O composite metallic oxide catalyst, and concrete steps are as follows:
A. prepare the copper salt solution of 0.25～1mol/L, the manganese salt solution of 0.25～1mol/L and the organic acid soln of 0.2～0.5mol/L respectively;
B. copper salt solution, manganese salt solution and organic acid soln are made mixed solution; Wherein the mol ratio of Cu and Mn is 1: 1～7 in the mixed solution, and the mol ratio of organic acid and metal ion is 1～2: 1;
C. with mixed solution heating and be continuously stirring to the generation gel;
D. after gel drying, grinding, the roasting, obtain catalyst fines;
E. with catalyst powder art compressing tablet, fragmentation, screening, obtain catalyst sample.
2. preparation method according to claim 1 is characterized in that described mantoquita is a kind of in nitrate, sulfate or the acetate of copper; A kind of in nitrate, sulfate or the acetate that described manganese salt is manganese.
3. preparation method according to claim 1 is characterized in that described organic acid is a kind of in citric acid, oxalic acid or the glycolic.
4. preparation method according to claim 1, the heating-up temperature that it is characterized in that mixed solution among the step C is 60～90 ℃.
5. preparation method according to claim 1 is characterized in that the Drying of gels temperature is 100～120 ℃ among the step D, and be 8～14h drying time; Sintering temperature is 400～700 ℃, and roasting time is 2～5h.
6. preparation method according to claim 1, the average grain diameter that it is characterized in that catalyst sample in the step e is 0.2～0.6mm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319573A (en) * | 2011-07-13 | 2012-01-18 | 东南大学 | Simple and convenient preparation method of copper-manganese compound oxide monolithic catalyst |
| CN102626636A (en) * | 2012-03-22 | 2012-08-08 | 杭州中环化工设备有限公司 | Nanometer manganese dioxide-copper oxide composite catalyst and its application |
| CN106362762A (en) * | 2016-08-10 | 2017-02-01 | 无锡市华星东方电力环保科技有限公司 | Synthetic method for Mn-CuOx catalytic material used in field of SCR denitration |
| CN106540739A (en) * | 2015-09-16 | 2017-03-29 | 中国石化扬子石油化工有限公司 | A kind of preparation method of supported catalyst burning catalyst |
| CN114602490A (en) * | 2022-03-27 | 2022-06-10 | 山东亮剑环保新材料有限公司 | Preparation method of integral catalytic combustion CO catalyst |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472006A (en) * | 2003-07-11 | 2004-02-04 | 清华大学 | Sundex low-temperature catalytic combustion nanometre composite oxide catalyst and preparing method thereof |
| CN1660491A (en) * | 2004-02-26 | 2005-08-31 | 中国科学院大连化学物理研究所 | Catalyst of composite oxides of copper and manganese and application |
| KR20060105906A (en) * | 2005-04-01 | 2006-10-12 | 희성엥겔하드주식회사 | Catalytic compositions for oxidizing particular matters and catalytic soot filters employing the compositions |
| CN101767015A (en) * | 2009-01-06 | 2010-07-07 | 中国科学院成都有机化学有限公司 | Cu-Mn-based catalytic combustion catalyst for treatment of 'triphen' waste gas and preparation method thereof |
-
2010
- 2010-09-30 CN CN2010105035066A patent/CN101982239B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472006A (en) * | 2003-07-11 | 2004-02-04 | 清华大学 | Sundex low-temperature catalytic combustion nanometre composite oxide catalyst and preparing method thereof |
| CN1660491A (en) * | 2004-02-26 | 2005-08-31 | 中国科学院大连化学物理研究所 | Catalyst of composite oxides of copper and manganese and application |
| KR20060105906A (en) * | 2005-04-01 | 2006-10-12 | 희성엥겔하드주식회사 | Catalytic compositions for oxidizing particular matters and catalytic soot filters employing the compositions |
| CN101767015A (en) * | 2009-01-06 | 2010-07-07 | 中国科学院成都有机化学有限公司 | Cu-Mn-based catalytic combustion catalyst for treatment of 'triphen' waste gas and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102319573A (en) * | 2011-07-13 | 2012-01-18 | 东南大学 | Simple and convenient preparation method of copper-manganese compound oxide monolithic catalyst |
| CN102626636A (en) * | 2012-03-22 | 2012-08-08 | 杭州中环化工设备有限公司 | Nanometer manganese dioxide-copper oxide composite catalyst and its application |
| CN106540739A (en) * | 2015-09-16 | 2017-03-29 | 中国石化扬子石油化工有限公司 | A kind of preparation method of supported catalyst burning catalyst |
| CN106362762A (en) * | 2016-08-10 | 2017-02-01 | 无锡市华星东方电力环保科技有限公司 | Synthetic method for Mn-CuOx catalytic material used in field of SCR denitration |
| CN114602490A (en) * | 2022-03-27 | 2022-06-10 | 山东亮剑环保新材料有限公司 | Preparation method of integral catalytic combustion CO catalyst |
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