CN106540714A - A kind of cerium cobalt complex oxides loaded palladium catalyst and preparation and application for propane catalysis oxidation - Google Patents
A kind of cerium cobalt complex oxides loaded palladium catalyst and preparation and application for propane catalysis oxidation Download PDFInfo
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- CN106540714A CN106540714A CN201610971594.XA CN201610971594A CN106540714A CN 106540714 A CN106540714 A CN 106540714A CN 201610971594 A CN201610971594 A CN 201610971594A CN 106540714 A CN106540714 A CN 106540714A
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- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- 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
- B01J23/89—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals
- B01J23/8933—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/894—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with noble metals also combined with metals, or metal oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with rare earths or actinides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Abstract
The present invention relates to a kind of cerium cobalt complex oxides loaded palladium catalyst and preparation and application for propane catalysis oxidation, the catalyst includes the cerium cobalt metal composite oxide of precious metal palladium and different mol ratio, wherein the mol ratio of palladium (Pd) element and transition metal is 0.005 ~ 0.01, and wherein the mol ratio of transition metal cerium (Ce) and cobalt (Co) is Co/Ce=0.1 ~ 1.0.The advantages of nontoxic raw materials evil that catalyst of the present invention is adopted, preparation method are simple, prepared catalyst for the active height of propane catalysis oxidation, the features such as aoxidize complete, it is adaptable to the catalytic purification of the volatility organic contamination such as propane in industrial waste gas or indoor pollution source.
Description
Technical field
The invention belongs to be catalyzed environmental technology field, and in particular to a kind of cerium cobalt combined oxidation for propane catalysis oxidation
Thing loaded palladium catalyst and preparation method thereof.
Background introduction
In recent years, VOCs control and discharge into Jing be global problem demanding prompt solution.VOCs pollutants have chemistry many
Sample, and discharge of pollutant sources industry is numerous, how the problem of effectively solving VOCs pollution is the problem of current scientists concern.
Industrial discharge VOCs discharges most industries and includes at present：Equipment manufacture application, oil refining and petrochemical industry, chemical, packaging print
The industry such as brush, semiconductor and electronic equipment manufacturing, medication chemistry, plastic products, rubber, artificial leather, wood-based plate, shoemaking.
The species of pollutant is varied, is broadly divided into：NMHC (alkane, alkene, alkynes, aromatic hydrocarbon), oxygen-containing organic are closed
Thing (aldehyde, ketone, alcohol, ether etc.), halogenated hydrocarbons, nitrogen-containing compound, sulphur compound.Different pollutants are directed to using different improvement
Technology, current VOCs Treatment process are broadly divided into recovery technology and destruction technology, wherein recovery technology include adsorbing, absorb, it is cold
Solidifying and membrane separation technique, and destruction technology is divided into combustion method, chemical method, biological oxidation process and ion method.Wherein short chain alkanes are most
For common and intractability is maximum, generally processed using Production by Catalytic Combustion Process.Production by Catalytic Combustion Process has oxidation completely, do not cause secondary
The features such as pollutant, it is typically chosen as one of best approach of alkane pollutant elimination.
Simultaneously as the activation of c h bond is the most key in its catalytic oxidation process in short chain alkanes (methane, propane)
One step, therefore the design for catalyst and performance put forward higher requirement.Currently used for saturated alkane catalytic oxidation activity
Preferably noble metal catalyst be load type palladium catalyst ((1) Top Catal, 2004,28:79;(2) Appl Catal B,
2002,39:1-37).Generally, in load type palladium catalyst, the state of oxidation of palladium is larger for the impact of propane catalytic oxidation activity,
The palladium of partial oxidation contributes to the raising of propane catalysis activity.Different researchs show, in the catalysis oxidation mistake of hydrocarbon
TiO in journey2、ZrO2And SnO2Than γ-Al2O3Be more suitable for palladium catalyst carrier ((3) Catal Lett, 2004,97:99-
103;(4) Appl Catal A, 2002, 227: 159-169; (5)Catal Today,2002,77:167-179), this
It is that the palladium that partial oxidation is more readily formed is carried on this kind of carrier due to palladium.In addition, transition metal the is introduced in carrier
The selection of two active components is also most important for load type palladium catalyst.D orbital electron structure pair in transition metal oxide
Vital effect is played in the activation of c h bond, it is generally recognized that fracture of the c h bond on transition metal oxide is by C-
There is fracture with the direct effect of d orbital electron in transition metal ions in б the and б * of H keys.
The present invention is introduced therein to the second component cobalt, is prepared for a series of loaded palladium catalysts using cerium oxide as carrier,
Attempt to improve which for the activation capacity of c h bond, so that catalyst is improved for the catalytic oxidation activity of hydrocarbons pollutant.This
Bright preparation method is simple, and catalyst shows higher catalytic oxidation activity for propane catalysis oxidation.
The content of the invention
In order to the consumption that is active and reducing precious metal palladium of catalyst is further improved on existing Research foundation, this
It is bright that a kind of cerium cobalt complex oxides loaded palladium catalyst for propane catalysis oxidation and its preparation method and application, its mesh are provided
Be by transition metals cobalt doping improve its for the activation capacity of c h bond, so as to improve its catalytic oxidation activity.
A kind of cerium cobalt complex oxides loaded palladium catalyst for propane catalysis oxidation, it is characterised in that the catalysis
Agent includes the cerium cobalt metal composite oxide of precious metal palladium and different mol ratio, wherein palladium (Pd) element and transition metal
Mol ratio is 0.005 ~ 0.01, and wherein the mol ratio of transition metal cerium (Ce) and cobalt (Co) is Co/Ce=0.1 ~ 1.0.
A kind of preparation method of the cerium cobalt complex oxides loaded palladium catalyst for propane catalysis oxidation, its feature exist
In comprising the steps：
(1) will be the soluble metallic salt of Pd soluble in water, a certain amount of potassium chloride or sodium chloride are added in the aqueous solution and is added
Heat obtains Pd salting liquid A to 50 DEG C or so；
(2) soluble metallic salt with Ce, Co is configured to soluble metal salt solution B as raw material；
(3) the above-mentioned Pd salting liquids A for preparing and metal salt solution B is sufficiently mixed and obtains mixed salt solution C；
(4), with CTAB as template, after fully dissolving under conditions of 40 ~ 60 DEG C of heating water baths, template is added that what is prepared mix
Close in metal salt solution C, 0.5 ~ 2h of stirring, the mol ratio of wherein CTAB and transition metal is 0.8；
(5) sodium hydroxide solution of 2M is dropwise added dropwise under conditions of stirring again thereto, PH to 11 or so is adjusted, continues stirring
0.5~2h；
(6) above-mentioned suspension is transferred in polytetrafluoroethylene (PTFE) hydrothermal reaction kettle, under the conditions of 120 DEG C, keeps 48h；
(7) Jing suction filtrations and washing are precipitated, obtains filter cake；
(8) by 50 ~ 110 DEG C of filter cake Jing drying, in 500 DEG C of 2 ~ 4h of roasting in atmosphere, the cerium cobalt complex oxides are obtained and is born
Carried palladium catalyst.
In the preferred palladium bichloride of soluble metallic salt of Pd described in step (1), two ammonium of palladium nitrate or palladium tetrachloride at least
It is a kind of；In the step (2), Co, Ce soluble metallic salt is nitrate, hydrochloride or sulfate；The preferred cobalt nitrate of cobalt salt, chlorine
Change cobalt or at least one in cobaltous sulfate；One kind in the preferred cerous nitrate of cerium salt, cerous chlorate or cerous sulfate.
A kind of cerium cobalt complex oxides loaded palladium catalyst for propane catalysis oxidation is used for answering for propane catalysis oxidation
With.
Catalyst performance evaluation is carried out in column type fixed-bed micro-reactor, and reaction gas mass space velocity (GHSV) is 30,
000 mL/ (gh), catalyst amount 0.1g, unstripped gas propane concentration are 1000ppm, and air is carrier gas, reaction temperature 80～
400 DEG C, carry out under atmospheric pressure environment.
The advantages of nontoxic raw materials evil that catalyst of the present invention is adopted, preparation method are simple, and prepared catalyst is for propane catalysis
Aoxidize active height, the features such as aoxidize complete, it is adaptable to the organic dirt of volatility such as propane in industrial waste gas or indoor pollution source
The catalytic purification of dye.
Heretofore described catalyst and preparation method thereof compared to it is existing research its feature be：(1) prepared by the present invention
Process is simple, and the palladium catalyst of one-step synthesis cerium cobalt complex oxides load, precious metal palladium need not be by impregnations
Go；(2) present invention introduces transition metals cobalt is used as the second active component, catalyst is improve for the activation of c h bond in propane
Ability.(3) minimal amount of palladium is adopted in the present invention, reduces the consumption of precious metal palladium.
Specific embodiment
Embodiment 1：
Weigh 0.022g palladium bichlorides to be dissolved in 20ml deionized waters, 0.1g sodium chloride is added thereto to after stirring and is heated to
50 DEG C or so, 30ml deionized waters are added thereto to after stirring and obtain Pd salting liquid A；Weigh 10.86g Ce (NO3)3·
6H2O is dissolved in 50ml deionized waters, metal salt solution B；Above-mentioned Pd salting liquids A and metal salt solution B are sufficiently mixed and are mixed
Close metal salt solution C；Weigh 7.29gCTAB fully to dissolve under conditions of 40 ~ 60 DEG C of heating water baths, by the template for having dissolved
In adding the mixed salt solution C for preparing, 1h is stirred；The NaOH that 2M is dropwise added dropwise under conditions of stirring again thereto is molten
Liquid, adjusts PH to 11 or so, continues stirring 1h；Above-mentioned suspension is transferred in polytetrafluoroethylene (PTFE) hydrothermal reaction kettle, 120 DEG C of bars
48h is kept under part；Precipitation Jing suction filtrations and washing, obtain filter cake；By 70 DEG C of filter cake Jing drying, in 500 DEG C of roasting 2h in atmosphere,
The cerium cobalt complex oxides loaded palladium catalyst is obtained, 1%Pd/Ce is denoted as10Co0
Embodiment 2：
Weigh 0.022g palladium bichlorides to be dissolved in 20ml deionized waters, 0.1g sodium chloride is added thereto to after stirring and is heated to
50 DEG C or so, 30ml deionized waters are added thereto to after stirring and obtain Pd salting liquid A；Weigh 0.73g Co (NO3)3·
6H2O and 9.77g Ce (NO3)3·6H2O is dissolved in 50ml deionized waters, metal salt solution B；By above-mentioned Pd salting liquids A and metal
Salting liquid B is sufficiently mixed and obtains mixed salt solution C；Weigh 7.29gCTAB abundant under conditions of 40 ~ 60 DEG C of heating water baths
Dissolving, the template for having dissolved is added in the mixed salt solution C for preparing, 1h is stirred；Under conditions of stirring again thereto
The sodium hydroxide solution of 2M is dropwise added dropwise, PH to 11 or so is adjusted, continues stirring 1h；Above-mentioned suspension is transferred to into polytetrafluoroethyl-ne
In alkene hydrothermal reaction kettle, under the conditions of 120 DEG C, 48h is kept；Precipitation Jing suction filtrations and washing, obtain filter cake；By 70 DEG C of drying of filter cake Jing,
In 500 DEG C of roasting 2h in atmosphere, the cerium cobalt complex oxides loaded palladium catalyst is obtained, 1%Pd/Ce is denoted as9Co1；
Embodiment 3：
Weigh 0.022g palladium bichlorides to be dissolved in 20ml deionized waters, 0.1g sodium chloride is added thereto to after stirring and is heated to
50 DEG C or so, 30ml deionized waters are added thereto to after stirring and obtain Pd salting liquid A；Weigh 1.45g Co (NO3)3·
6H2O and 8.68g Ce (NO3)3·6H2O is dissolved in 50ml deionized waters, metal salt solution B；By above-mentioned Pd salting liquids A and metal
Salting liquid B is sufficiently mixed and obtains mixed salt solution C；Weigh 7.29gCTAB abundant under conditions of 40 ~ 60 DEG C of heating water baths
Dissolving, the template for having dissolved is added in the mixed salt solution C for preparing, 1h is stirred；Under conditions of stirring again thereto
The sodium hydroxide solution of 2M is dropwise added dropwise, PH to 11 or so is adjusted, continues stirring 1h；Above-mentioned suspension is transferred to into polytetrafluoroethyl-ne
In alkene hydrothermal reaction kettle, under the conditions of 120 DEG C, 48h is kept；Precipitation Jing suction filtrations and washing, obtain filter cake；By 70 DEG C of drying of filter cake Jing,
In 500 DEG C of roasting 2h in atmosphere, the cerium cobalt complex oxides loaded palladium catalyst is obtained, 1%Pd/Ce is denoted as8Co2；
Embodiment 4：
Weigh 0.022g palladium bichlorides to be dissolved in 20ml deionized waters, 0.1g sodium chloride is added thereto to after stirring and is heated to
50 DEG C or so, 30ml deionized waters are added thereto to after stirring and obtain Pd salting liquid A；Weigh 2.18g Co (NO3)3·
6H2O and 7.60g Ce (NO3)3·6H2O is dissolved in 50ml deionized waters, metal salt solution B；By above-mentioned Pd salting liquids A and metal
Salting liquid B is sufficiently mixed and obtains mixed salt solution C；Weigh 7.29gCTAB abundant under conditions of 40 ~ 60 DEG C of heating water baths
Dissolving, the template for having dissolved is added in the mixed salt solution C for preparing, 1h is stirred；Under conditions of stirring again thereto
The sodium hydroxide solution of 2M is dropwise added dropwise, PH to 11 or so is adjusted, continues stirring 1h；Above-mentioned suspension is transferred to into polytetrafluoroethyl-ne
In alkene hydrothermal reaction kettle, under the conditions of 120 DEG C, 48h is kept；Precipitation Jing suction filtrations and washing, obtain filter cake；By 70 DEG C of drying of filter cake Jing,
In 500 DEG C of roasting 2h in atmosphere, the cerium cobalt complex oxides loaded palladium catalyst is obtained, 1%Pd/Ce is denoted as7Co3；
Embodiment 5：
Weigh 0.022g palladium bichlorides to be dissolved in 20ml deionized waters, 0.1g sodium chloride is added thereto to after stirring and is heated to
50 DEG C or so, 30ml deionized waters are added thereto to after stirring and obtain Pd salting liquid A；Weigh 3.64g Co (NO3)3·
6H2O and 5.43g Ce (NO3)3·6H2O is dissolved in 50ml deionized waters, metal salt solution B；By above-mentioned Pd salting liquids A and metal
Salting liquid B is sufficiently mixed and obtains mixed salt solution C；Weigh 7.29gCTAB abundant under conditions of 40 ~ 60 DEG C of heating water baths
Dissolving, the template for having dissolved is added in the mixed salt solution C for preparing, 1h is stirred；Under conditions of stirring again thereto
The sodium hydroxide solution of 2M is dropwise added dropwise, PH to 11 or so is adjusted, continues stirring 1h；Above-mentioned suspension is transferred to into polytetrafluoroethyl-ne
In alkene hydrothermal reaction kettle, under the conditions of 120 DEG C, 48h is kept；Precipitation Jing suction filtrations and washing, obtain filter cake；By 70 DEG C of drying of filter cake Jing,
In 500 DEG C of roasting 2h in atmosphere, the cerium cobalt complex oxides loaded palladium catalyst is obtained, 1%Pd/Ce is denoted as5Co5；
Embodiment 6：
Weigh 0.011g palladium bichlorides to be dissolved in 20ml deionized waters, 0.1g sodium chloride is added thereto to after stirring and is heated to
50 DEG C or so, 30ml deionized waters are added thereto to after stirring and obtain Pd salting liquid A；Weigh 3.64g Co (NO3)3·
6H2O and 5.43g Ce (NO3)3·6H2O is dissolved in 50ml deionized waters, metal salt solution B；By above-mentioned Pd salting liquids A and metal
Salting liquid B is sufficiently mixed and obtains mixed salt solution C；Weigh 7.29gCTAB abundant under conditions of 40 ~ 60 DEG C of heating water baths
Dissolving, the template for having dissolved is added in the mixed salt solution C for preparing, 1h is stirred；Under conditions of stirring again thereto
The sodium hydroxide solution of 2M is dropwise added dropwise, PH to 11 or so is adjusted, continues stirring 1h；Above-mentioned suspension is transferred to into polytetrafluoroethyl-ne
In alkene hydrothermal reaction kettle, under the conditions of 120 DEG C, 48h is kept；Precipitation Jing suction filtrations and washing, obtain filter cake；By 70 DEG C of drying of filter cake Jing,
In 500 DEG C of roasting 2h in atmosphere, the cerium cobalt complex oxides loaded palladium catalyst is obtained, 0.5%Pd/Ce is denoted as7Co3；
Catalyst activity is tested：
Catalyst activity is evaluated：Carry out in internal diameter 8mm, the quartz tube reactor of long 250mm.Unstripped gas air speed is
30000ml·g-1cat· h-1, propane concentration 1000ppm, using air as Balance Air.Active testing result such as table 1, in table
T10、T50And T90Respectively conversion ratio reaches reaction temperature required when 10%, 50% and 90%, and key reaction product is carbon dioxide
And water.
A series of 1 cerium cobalt complex oxides loaded palladium catalysts of table are used for the initial activity of propane complete catalysts oxidation
1 result of table shows that cerium cobalt complex oxides loaded palladium catalyst is preferably urged for propane complete oxidation shows
Change activity, wherein 1%Pd/Ce7Co3It is active best, 30,000 mlg of air speed–1·h–1, can be by 1000ppm propane at 300 DEG C
Complete catalysts oxidation.Illustrate elimination of the cerium cobalt complex oxides loaded palladium catalyst for hydrocarbons pollutant with have to be excellent
Catalytic oxidation performance.
Claims (4)
1. a kind of cerium cobalt complex oxides loaded palladium catalyst for propane catalysis oxidation, it is characterised in that the catalyst
Including the cerium cobalt metal composite oxide of precious metal palladium and different mol ratio, wherein palladium (Pd) element and transition metal rubs
, than being 0.005 ~ 0.01, wherein the mol ratio of transition metal cerium (Ce) and cobalt (Co) is Co/Ce=0.1 ~ 1.0 for you.
2. as claimed in claim 1 a kind of preparation side of the cerium cobalt complex oxides loaded palladium catalyst for propane catalysis oxidation
Method, it is characterised in that comprise the steps：
(1) will be the soluble metallic salt of Pd soluble in water, a certain amount of potassium chloride or sodium chloride are added in the aqueous solution and is added
Heat obtains Pd salting liquid A to 50 DEG C or so；
(2) soluble metallic salt with Ce, Co is configured to soluble metal salt solution B as raw material；
(3) the above-mentioned Pd salting liquids A for preparing and metal salt solution B is sufficiently mixed and obtains mixed salt solution C；
(4), with CTAB as template, after fully dissolving under conditions of 40 ~ 60 DEG C of heating water baths, template is added that what is prepared mix
Close in metal salt solution C, 0.5 ~ 2h of stirring, the mol ratio of wherein CTAB and transition metal is 0.8；
(5) sodium hydroxide solution of 2M is dropwise added dropwise under conditions of stirring again thereto, PH to 11 or so is adjusted, continues stirring
0.5~2h；
(6) above-mentioned suspension is transferred in polytetrafluoroethylene (PTFE) hydrothermal reaction kettle, under the conditions of 120 DEG C, keeps 48h；
(7) Jing suction filtrations and washing are precipitated, obtains filter cake；
(8) by 50 ~ 110 DEG C of filter cake Jing drying, in 500 DEG C of 2 ~ 4h of roasting in atmosphere, the cerium cobalt complex oxides are obtained and is born
Carried palladium catalyst.
3. as claimed in claim 2 a kind of preparation side of the cerium cobalt complex oxides loaded palladium catalyst for propane catalysis oxidation
Method, it is characterised in that in the preferred palladium bichloride of soluble metallic salt of Pd described in step (1), two ammonium of palladium nitrate or palladium tetrachloride
At least one；In the step (2), Co, Ce soluble metallic salt is nitrate, hydrochloride or sulfate；The preferred nitric acid of cobalt salt
At least one in cobalt, cobalt chloride or cobaltous sulfate；One kind in the preferred cerous nitrate of cerium salt, cerous chlorate or cerous sulfate.
4. the cerium cobalt complex oxides loaded palladium catalyst for being used for propane catalysis oxidation as claimed in claim 1 is catalyzed for propane
The application of oxidation.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537524A (en) * | 2017-10-12 | 2018-01-05 | 浙江师范大学 | A kind of catalyst for propane complete oxidation and preparation method thereof |
| CN109395742A (en) * | 2018-12-21 | 2019-03-01 | 无锡威孚环保催化剂有限公司 | A kind of oxidation catalyst and preparation method thereof of catalysis burning VOCs |
| CN110621399A (en) * | 2017-07-05 | 2019-12-27 | 地方独立行政法人东京都立产业技术研究中心 | Catalyst for VOC treatment |
| CN110694622A (en) * | 2019-09-16 | 2020-01-17 | 山东国瓷功能材料股份有限公司 | Precious metal-loaded cerium-zirconium composite oxide and preparation method and application thereof |
| CN112958113A (en) * | 2021-02-08 | 2021-06-15 | 中国科学院化学研究所 | Cerium-cobalt bimetallic oxide catalyst for VOCs catalytic combustion and preparation method thereof |
| CN114160158A (en) * | 2021-12-08 | 2022-03-11 | 西安交通大学 | Transition metal modified palladium nanocluster loaded on cerium oxide catalytic material, and preparation method and application thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110621399A (en) * | 2017-07-05 | 2019-12-27 | 地方独立行政法人东京都立产业技术研究中心 | Catalyst for VOC treatment |
| CN107537524A (en) * | 2017-10-12 | 2018-01-05 | 浙江师范大学 | A kind of catalyst for propane complete oxidation and preparation method thereof |
| CN107537524B (en) * | 2017-10-12 | 2019-12-31 | 浙江师范大学 | Catalyst for complete oxidation of propane and preparation method thereof |
| CN109395742A (en) * | 2018-12-21 | 2019-03-01 | 无锡威孚环保催化剂有限公司 | A kind of oxidation catalyst and preparation method thereof of catalysis burning VOCs |
| CN110694622A (en) * | 2019-09-16 | 2020-01-17 | 山东国瓷功能材料股份有限公司 | Precious metal-loaded cerium-zirconium composite oxide and preparation method and application thereof |
| CN112958113A (en) * | 2021-02-08 | 2021-06-15 | 中国科学院化学研究所 | Cerium-cobalt bimetallic oxide catalyst for VOCs catalytic combustion and preparation method thereof |
| CN112958113B (en) * | 2021-02-08 | 2022-04-08 | 中国科学院化学研究所 | Cerium-cobalt bimetallic oxide catalyst for VOCs catalytic combustion and preparation method thereof |
| CN114160158A (en) * | 2021-12-08 | 2022-03-11 | 西安交通大学 | Transition metal modified palladium nanocluster loaded on cerium oxide catalytic material, and preparation method and application thereof |
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