CN102240565A - Method for preparing hydrogenation catalyst - Google Patents
Method for preparing hydrogenation catalyst Download PDFInfo
- Publication number
- CN102240565A CN102240565A CN2010101720849A CN201010172084A CN102240565A CN 102240565 A CN102240565 A CN 102240565A CN 2010101720849 A CN2010101720849 A CN 2010101720849A CN 201010172084 A CN201010172084 A CN 201010172084A CN 102240565 A CN102240565 A CN 102240565A
- Authority
- CN
- China
- Prior art keywords
- hydrogenation catalyst
- palladium
- weight ratio
- inertial base
- catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a method for preparing a hydrogenation catalyst. The hydrogenation catalyst comprises an inert basal body, an alumina coating and a catalytic active metal. The preparation method comprises the following steps of: (1) preparing alumina size; (2) spraying the obtained size onto the surface of the inert basal body, wherein the usage of the inert basal body meets the requirement that the weight ratio of the alumina dry powder in the step (1) to the inert basal body is 0.1-0.5, then drying and roasting to obtain the inert basal body provided with the alumina coating; and (3) simultaneously spraying a palladium-containing solution and a promoter-containing solution onto the alumina coating of the inert basal body or spraying the palladium-containing solution and the promoter-containing solution on the insert basal body step by step, and drying and roasting to obtain the hydrogenation catalyst. In the preparation method, the thickness of the coating can be accurately regulated and controlled according to the aim of hydrogenation, and the obtained catalyst coating is uniform and smooth and has good adhesion performance and high shock resistance and abrasion resistance, the weight lost by abrasion is less than 4% of the weight of the coating.
Description
Technical field
The present invention relates to a kind of hydrogenization catalyst preparation method.In particular, the present invention relates to a kind of preparation method who contains palladium hydrogenation catalyst who has aluminum oxide coating layer.
Background technology
In petrochemical industry is produced, cracking gas C
2-C
4Cut is a primary raw material of producing ethene, propylene, butylene, butadiene, and common cracking gas all contains the various impurity of influential further processing, for example: C
2The acetylene, the C that contain 0.3-2.5 (mol) % in the cut
3Contain the propine of 1-5 (mol) % and allene, C in the cut
4The allylene, ethyl acetylene and the vinylacetylene that contain 0.5-2.0 (wt) % in the cut, when producing polymer grade ethylene, propylene, butylene, butadiene, must carry out hydrotreatment for removing these impurity, and the employed catalyst of hydrogenation is generally noble metal catalyst.In addition, high-carbon chain hydrocarbon C
4～C
10In also use noble metal catalyst when removing the hydrogenation reaction of alkynes and alkadienes usually.
For reducing the cost of noble metal catalyst, reduce the consumption of expensive noble metal, improve the dispersiveness and the utilization rate of noble metal, improve the selectivity of hydrogenation products, noble metal catalyst concentrates on 90% active component in 10～500 microns thin layers of catalyst coating usually, promptly is prepared into egg-shell catalyst.Present industrial employed noble metal egg-shell catalyst adopts the salt solution impregnation porous carrier of active component more and makes.
US6239322 discloses a kind of selection hydrogenation catalyst and preparation and application that contains palladium and be selected from least a element in tin, the lead, wherein at least 80% palladium concentrate on outer surface from catalyst granules to granule interior in the scope of the 0.8 times of particle radius in particle center, the degree of depth is about 500 μ m.
US6127310 discloses a kind of palladium hydrogenation catalyst that contains, and palladium is present near in the top layer on spinelle surface, and this skin depth is between about 1～1000 μ m.
US6239322 discloses a kind of hydrogenation catalyst, and its principal character is distributed in the carrier 150 μ m thickness skins for major catalyst Pd, and the Pd layer is very thin on the carrier, thereby improves the utilization rate of Pd, reduces green oil generating amount.
WO2006023142A1 discloses a kind of Pd-Ag catalyst that is applicable to the low surface area carrier of alkynes and diolefin hydrogenate, and the degree of depth that Pd gos deep into carrier is: at least 90% Pd is positioned at apart from catalyst surface 250 μ m thickness.
WO2004108638A discloses a kind of carbon two front-end hydrogenation catalyst, this catalyst is selected hydrogenation catalyst for the Pd-rare earth bimetal, wherein Pd content is 50-1000ppm, rare earth element is Ce, content 50-5000ppm, Pd/Ce is 1: 1～1: 3.5, and Pd and Ce are distributed between the alumina catalyst support shell 0-500 μ m.
CN1253853 discloses a kind of Catalyst and process to the selection of the unsaturated compound in hydrocarbon material flow hydrogenation, and palladium metal mainly concentrates on the skin near carrier surface, and it is to be no more than in the layer of 300 μ m that about 95% palladium is present in thickness.
CN1955256 discloses a kind of selective acetylene hydrocarbon hydrogenation catalyst and preparation method thereof, has found a kind of elder generation to handle by sensitization, pre-activated, then realizes the method for the chemical palladium-plating of trace again, and palladium metal is distributed between carrier shell 0～200 μ m.
Though above-mentioned these catalyst all belong to egg-shell catalyst, the thickness of eggshell can not be according to the needs of hydrogenation reaction and design arbitrarily.For overcoming this defective, in recent years, the researcher has invented coated catalysts again, as being coated with the aluminum oxide coating layer that contains catalytic active component on ceramic honey comb or the metallic carrier, is used for the purification of automobile and exhaust gases of internal combustion engines.
US6177381 discloses the stratiform combination catalyst of a kind of precious metals pt, promoter metal Sn and modifier metal Li, and kernel adopts α-Al
2O
3, the outer γ-Al that adopts
2O
3, its abrasion loss weight accounts for the ratio of outer stratum total near 10%.
CN1419474A discloses a kind of the have core and the preparation technology of the coated catalysts of one deck shell at least.This invention is the container that the talcum ball of diameter 2.5～3mm is placed rotation as core, spray the powdery carrier mass with a feeding line and form shell, another root feeding line spraying liquid adhesive, catalytically-active metals or precursor compound can be dispersed in the powder carrier thing, also can be dissolved or suspended in the adhesive.Form the stacked shell of multilayer around repeatedly being sprayed on core, comprise different catalytically-active metals in each layer shell, or the concentration difference of the interior catalytically-active metals of adjacent shell.
Defectives such as there is complex technical process in the preparation method of above-mentioned coated catalysts, and coating layer thickness can not be controlled arbitrarily, and the coating adhesion property is poor, and the abrasion vector is big.
CN100512955C discloses a kind of aluminum oxide coating layer Preparation of catalysts method, by impregnated alumina colloid on inertial base, obtains aluminum oxide coating layer through behind the drying and roasting again, and coating obtains catalyst behind load active component.The containing the palladium coating layer thickness and can not regulate and control of the catalyst that this method obtains, and coating easily comes off, firmness is relatively poor, and activity of such catalysts is lower, and the maximum conversion of acetylene is generally less than 90%.
Summary of the invention
For solving the problems referred to above that prior art floating coat catalyst exists, the inventor develops a kind of new coated catalysts preparation method, this preparation method recently controls shell thickness by the weight of regulating aluminium oxide and inertial base, the coating of the catalyst that makes is uniform and smooth, adhesion property is good, shock resistance and wear resistance are strong, and the weight of abrasion loss accounts for the ratio of coating weight less than 4%.
The purpose of this invention is to provide a kind of hydrogenization catalyst preparation method, this hydrogenation catalyst comprises inertial base, aluminum oxide coating layer and catalytically-active metals, and described preparation method may further comprise the steps:
(1) aluminium oxide dry powder and boehmite and deionized water are mixed after, add aluminium colloidal sol, obtain slurries, aluminium oxide dry powder wherein: boehmite: the weight ratio of aluminium colloidal sol is (10～20): (1～5): (10～30), preferred weight ratio are (10～15): (1～3): (10～20);
(2) slurries that step (1) is obtained spray to the inertial base surface, the consumption of inertial base wherein, should make the aluminium oxide dry powder in the step (1) and the weight ratio of inertial base is 0.1～0.5, preferred weight ratio is 0.1～0.3, after drying, the roasting, obtain having the inertial base of aluminum oxide coating layer then;
(3) with containing palladium solution, containing that cocatalyst component solution sprays simultaneously or substep sprays on the aluminum oxide coating layer of inertial base,, obtain hydrogenation catalyst through 100～300 ℃ of dryings, 350～650 ℃ of roastings; The consumption of palladium wherein, should make that the weight ratio of palladium and inertial base is 0.001～2% in the catalyst, preferred weight ratio is 0.01～0.05%, the consumption of cocatalyst component, should make that the weight ratio of cocatalyst component and inertial base is 0～14% in the catalyst, preferred weight ratio is 0.002～8%.
Inertial base of the present invention is selected from a kind of in carborundum, talcum, hydrotalcite, seat clay, float stone and the cordierite, and its shape is selected from sphere, profile of tooth, annular, tooth sphere, granular, sheet, strip or column, and its specific surface is less than 10m
2/ g.Preferred carborundum of inertial base or talcum, its shape are preferably spherical, annular, tooth is spherical, granular or strip, and its specific surface is preferably less than 5m
2/ g.
The present invention is by the weight ratio of control aluminium oxide dry powder and inertial base, and can obtain thickness is 10～500 μ m, and specific surface is 1～200m
2/ g, pore volume are the aluminum oxide coating layer of 0.1～0.9ml/g, and preferably obtaining thickness is 10～300 μ m, and specific surface is 5～120m
2/ g, the aluminum oxide coating layer of pore volume 0.2～0.8ml/g.Aluminum oxide coating layer of the present invention is preferably α-Al
2O
3
Cocatalyst component of the present invention, be selected from least a in Ag, Bi, Mn, Mo, W, Cu, Zn, alkali metal, alkaline-earth metal, the rare earth element, alkali metal can be K, Na, Rb, Cs, alkaline-earth metal can be Ca, Mg, Sr, Ba, and rare earth element can be La, Ce, Pr, Nd.
Palladium solution of the present invention is selected from palladium bichloride, palladium nitrate or palladium, and cocatalyst component solution is selected from corresponding nitrate, acetate or chloride;
The hydrogenation catalyst that the present invention makes can be applied to the C of cracking separative element in the petrochemical industry
2Remove acetylene reaction (comprising front-end hydrogenation flow process, back end hydrogenation flow process), C in the cut
3Remove the reaction of propine and allene, C in the cut
4Remove allylene, ethyl acetylene and vinylacetylene reaction in the cut, and high-carbon chain hydrocarbon C
4～C
10In remove the reaction of alkynes and alkadienes.
Compare with the preparation technology of existing coated catalysts, coating hydrogenation catalyst of the present invention has: advantages such as preparation process is simple, and coating is uniform and smooth, and thickness is accurately adjustable, and adhesion property is good, and shock resistance and wear resistance are strong, and the abrasion vector is little.And because traditional porous carrier is not used in the catalyst inside that the present invention makes, as aluminium oxide etc., and the more cheap inertial base of use ratio aluminum oxide, not only effectively block the penetration depth of active component palladium, also significantly reduced the consumption of aluminium oxide, compare with existing commercial catalyst, can reduce about 20% manufacturing cost.
Description of drawings
Fig. 1. the TEM photo of Pd particle on the hydrogenation catalyst coating of the present invention
Fig. 2. the SEM photo of the embodiment of the invention 1 catalyst coat thickness
Fig. 3. the SEM photo of the embodiment of the invention 2 catalyst coat thickness
Fig. 4. the SEM photo of the embodiment of the invention 3 catalyst coat thickness
Fig. 5. the SEM photo of the embodiment of the invention 4 catalyst coat thickness
Fig. 6. the SEM photo of the embodiment of the invention 5 catalyst coat thickness
Fig. 7. the SEM photo of the embodiment of the invention 6 catalyst coat thickness
Fig. 8. the SEM photo of the embodiment of the invention 7 catalyst coat thickness
Fig. 9. the SEM photo of the embodiment of the invention 8 catalyst coat thickness
The specific embodiment
Below in conjunction with embodiment, further specify the present invention, but the present invention is not limited to these embodiment.In the present invention, percentage all is weight percentage.
Embodiment 1
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the carborundum ring of 350g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst A, and its coating layer thickness is seen Fig. 2.
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the carborundum ring of 400g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst B, and its coating layer thickness is seen Fig. 3.
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the carborundum ring of 500g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst C, and its coating layer thickness is seen Fig. 4.
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the carborundum ring of 600g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst D, and its coating layer thickness is seen Fig. 5.
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the carborundum ring of 750g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst E, and its coating layer thickness is seen Fig. 6.
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the carborundum ring of 1000g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst F, and its coating layer thickness is seen Fig. 7.
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the talcum ring of 350g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst G, and its coating layer thickness is seen Fig. 8.
Embodiment 8
α-Al with 100g
2O
3Powder, 10g boehmite and 320ml deionized water fully mix, and add 240ml aluminium colloidal sol again, promptly obtain the aluminium oxide slurries.The slurries that prepare are sprayed on the talcum ring of 500g,, obtain coated carrier through 1000 ℃ of roasting 4h.Getting concentration is the Pd (NO of 10mgPd/ml
3)
2Solution 10.5ml is diluted to 35ml with deionized water, sprays on the coated carrier that 300g prepares, and 120 ℃ of dry 4h, 500 ℃ of roasting 4h obtain catalyst H, and its coating layer thickness is seen Fig. 9.
The coating layer thickness that embodiment 1-8 prepares the gained catalyst sees Table 1, and from the data of table 1 as can be seen, the weight ratio of control aluminium oxide dry powder and inertial base just can obtain accurate coating layer thickness.As can be seen from Figure 1, hydrogenation catalyst precious metals pd particle of the present invention is evenly distributed on aluminum oxide coating layer, and the precious metals pd grain diameter can provide more activated centre all less than 10nm.
The catalyst of embodiment 1-8 preparation is used for carbon two selection hydrogenation and removing acetylene reactions, and reaction condition is as follows:
The 1ml catalyst is packed in the tubular reactor, and beds is filled the porcelain ball up and down, behind nitrogen replacement, use hydrogen reducing again, will join behind the hydrogen from top to down by reactor from the unstripped gas on dethanizer top then, hydrogen alkynes is than 1.6, inlet concentration of acetylene 0.5mol%, air speed 10000hr
-1, catalyst A-H is carried out the hydrogenation examination under different temperatures, the acetylene maximum conversion reaches more than 90%, and corresponding ethylene selectivity is about 40%, and coated catalysts of the present invention has good hydrogenation performance.
Table 1
| The embodiment sequence number | Catalyst | Basic material | Aluminium oxide dry powder/matrix weight ratio | Coating layer thickness (μ m) |
| 1 | A | The SiC annular | 0.286 | 260～290 |
| 2 | B | The SiC annular | 0.250 | 220～240 |
| 3 | C | The SiC annular | 0.200 | 185～195 |
| 4 | D | The SiC annular | 0.167 | 150～160 |
| 5 | E | The SiC annular | 0.133 | 110～120 |
| 6 | F | The SiC annular | 0.100 | 50～65 |
| 7 | G | The talcum annular | 0.286 | 270～290 |
| 8 | H | The talcum annular | 0.200 | 170～180 |
Claims (8)
1. hydrogenization catalyst preparation method, this hydrogenation catalyst comprises inertial base, aluminum oxide coating layer and catalytically-active metals, described preparation method may further comprise the steps:
(1) aluminium oxide dry powder, boehmite and deionized water are mixed after, add aluminium colloidal sol, obtain slurries, wherein aluminium oxide dry powder: boehmite: the weight ratio of aluminium colloidal sol is (10～20): (1～5): (10～30);
(2) slurries that step (1) is obtained spray to the inertial base surface, the consumption of inertial base wherein, should make the aluminium oxide dry powder in the step (1) and the weight ratio of inertial base is 0.1～0.5, after drying, the roasting, obtains having the inertial base of aluminum oxide coating layer then;
(3) with containing palladium solution, containing that cocatalyst component solution sprays simultaneously or substep sprays on the aluminum oxide coating layer of inertial base,, obtain hydrogenation catalyst through 100～300 ℃ of dryings, 350～650 ℃ of roastings; The consumption of palladium wherein, should make that the weight ratio of palladium and inertial base is 0.001～2% in the catalyst, preferred weight ratio is 0.01～0.05%, the consumption of cocatalyst component, should make that the weight ratio of cocatalyst component and inertial base is 0～14% in the catalyst, preferred weight ratio is 0.002～8%.
2. hydrogenation catalyst preparation method as claimed in claim 1 is characterized in that, aluminium oxide dry powder in the step (1): boehmite: the weight ratio of aluminium colloidal sol is (10～15): (1～3): (10～20).
3. hydrogenation catalyst preparation method as claimed in claim 1, it is characterized in that, inertial base described in the step (2) is carborundum, talcum, hydrotalcite, seat clay, float stone or cordierite, its shape is selected from sphere, profile of tooth, annular, tooth sphere, granular, sheet, strip or column, and its specific surface is less than 10m
2/ g.
4. hydrogenation catalyst preparation method as claimed in claim 3 is characterized in that, described inertial base is carborundum or talcum, and it is shaped as sphere, annular, tooth sphere, granular or strip, and its specific surface is less than 5m
2/ g.
5. hydrogenation catalyst preparation method as claimed in claim 1 is characterized in that, the catalyst component that helps described in the step (3) is selected from least a in Ag, Bi, Mn, Mo, W, Cu, Zn, alkali metal, alkaline-earth metal and the rare earth element.
6. hydrogenation catalyst preparation method as claimed in claim 1 is characterized in that, the consumption of inertial base in the step (3), and should make the aluminium oxide dry powder in the step (1) and the weight ratio of inertial base is 0.1～0.3.
7. hydrogenation catalyst preparation method as claimed in claim 1 is characterized in that, described aluminum oxide coating layer is α-Al
2O
3
8. hydrogenation catalyst preparation method as claimed in claim 1 is characterized in that, the palladium solution described in the step (3) is palladium nitrate, palladium bichloride or palladium, and cocatalyst component solution is corresponding nitrate, acetate or chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101720849A CN102240565B (en) | 2010-05-14 | 2010-05-14 | Method for preparing hydrogenation catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101720849A CN102240565B (en) | 2010-05-14 | 2010-05-14 | Method for preparing hydrogenation catalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102240565A true CN102240565A (en) | 2011-11-16 |
| CN102240565B CN102240565B (en) | 2013-08-14 |
Family
ID=44958921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101720849A Active CN102240565B (en) | 2010-05-14 | 2010-05-14 | Method for preparing hydrogenation catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102240565B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977814A (en) * | 2014-05-14 | 2014-08-13 | 中国科学技术大学 | Size-controllable palladium-cuprous oxide nano catalyst as well as preparation method and catalysis application of catalyst |
| CN108435221A (en) * | 2017-02-16 | 2018-08-24 | 四川润和催化新材料股份有限公司 | A kind of catalyst for dehydrogenation of low-carbon paraffin and its preparation method and application |
| CN110582351A (en) * | 2017-05-01 | 2019-12-17 | 帝斯曼知识产权资产管理有限公司 | Metal powder catalyst for hydrogenation processes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958155A (en) * | 2005-10-31 | 2007-05-09 | 中国石油化工股份有限公司 | Selective hydrogenation catalyst of alkine and diolefin, preparation method and application |
| CN101653724A (en) * | 2009-09-10 | 2010-02-24 | 上海纳米技术及应用国家工程研究中心有限公司 | Ceramics catalyst surface active coating and its preparation method |
-
2010
- 2010-05-14 CN CN2010101720849A patent/CN102240565B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1958155A (en) * | 2005-10-31 | 2007-05-09 | 中国石油化工股份有限公司 | Selective hydrogenation catalyst of alkine and diolefin, preparation method and application |
| CN101653724A (en) * | 2009-09-10 | 2010-02-24 | 上海纳米技术及应用国家工程研究中心有限公司 | Ceramics catalyst surface active coating and its preparation method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103977814A (en) * | 2014-05-14 | 2014-08-13 | 中国科学技术大学 | Size-controllable palladium-cuprous oxide nano catalyst as well as preparation method and catalysis application of catalyst |
| CN103977814B (en) * | 2014-05-14 | 2016-06-22 | 中国科学技术大学 | Palladium-cuprous nano Catalysts and its preparation method that size is controlled and catalytic applications |
| CN108435221A (en) * | 2017-02-16 | 2018-08-24 | 四川润和催化新材料股份有限公司 | A kind of catalyst for dehydrogenation of low-carbon paraffin and its preparation method and application |
| CN108435221B (en) * | 2017-02-16 | 2020-12-18 | 润和催化材料(浙江)有限公司 | Low-carbon alkane dehydrogenation catalyst and preparation method and application thereof |
| CN110582351A (en) * | 2017-05-01 | 2019-12-17 | 帝斯曼知识产权资产管理有限公司 | Metal powder catalyst for hydrogenation processes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102240565B (en) | 2013-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1087279C (en) | Process for preparing olefines by 2C or 3C alkyne gas phase selective hydrogeneration | |
| CN103447031B (en) | Catalyst comprising palladium and silver, and its application for selective hydrogenation | |
| CN101428217B (en) | Catalyst selective oxidation reaction of hydrogen gas | |
| CN100512955C (en) | Selective hydrogenation catalyst of alkine and diolefin, preparation method and application | |
| CN1165503C (en) | Selective hydrogenation process and catalyst therefor | |
| CN102811807B (en) | Hydrogenation catalyst | |
| JP2013248612A5 (en) | ||
| JP2013049696A (en) | Layered composition and process for preparing and using the composition | |
| CN102688783A (en) | Alkyne selective hydrogenation catalyst carrier and preparation method and catalyst thereof | |
| CN109718762B (en) | Catalyst for selective hydrogenation of acetylene to ethylene, preparation method thereof and selective hydrogenation method of acetylene | |
| CN101190413B (en) | Petroleum naphtha reforming catalyst and preparation method thereof | |
| CN101992085B (en) | Catalyst for hydrogen selective combustion reaction and preparation method thereof | |
| CN102240565B (en) | Method for preparing hydrogenation catalyst | |
| CN101491758A (en) | Catalyst for H2 selective oxidation in styrene production | |
| CN107185527A (en) | A kind of preparation method of eggshell type dehydrogenation catalyst | |
| JPH01159057A (en) | Catalyst for selective hydrogenation of unsaturated hydrocarbon | |
| CN103347986A (en) | Thio-resistant catalyst, production method and use thereof in selective hydrogenation | |
| CN112892612B (en) | Catalyst for hydrocarbon conversion reaction | |
| WO2001003829A1 (en) | Selective hydrogenation catalyst system, its preparation and usage | |
| CN101491779A (en) | Catalyst for hydrogen selective catalyst combustion reaction with hydrothermal stability | |
| TW201347847A (en) | Production of shell catalysts in a coating device | |
| CN101850250A (en) | selective hydrogenation catalyst for removing alkadiene in mixed C4 and preparation method thereof | |
| WO2011107565A1 (en) | Hydrogenation catalyst | |
| CN109092298A (en) | For cracking c_4 selective hydrogenation catalyst | |
| CN100417712C (en) | Selective acetylene hydrocarbon hydrogenation catalyst, its production and use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |