CN108906029A - A kind of catalyst of transition metal oxide and its forming method - Google Patents
A kind of catalyst of transition metal oxide and its forming method Download PDFInfo
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- CN108906029A CN108906029A CN201810675849.7A CN201810675849A CN108906029A CN 108906029 A CN108906029 A CN 108906029A CN 201810675849 A CN201810675849 A CN 201810675849A CN 108906029 A CN108906029 A CN 108906029A
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- transition metal
- catalyst
- metal oxide
- oxide
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- 239000003054 catalyst Substances 0.000 title claims abstract description 59
- 229910000314 transition metal oxide Inorganic materials 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004898 kneading Methods 0.000 claims abstract description 41
- 239000000843 powder Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004890 Hydrophobing Agent Substances 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000004927 clay Substances 0.000 claims abstract description 15
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract 2
- 229920002401 polyacrylamide Polymers 0.000 claims description 17
- 239000007822 coupling agent Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 4
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium oxide Inorganic materials [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims description 4
- 239000004113 Sepiolite Substances 0.000 claims description 3
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- 229910052624 sepiolite Inorganic materials 0.000 claims description 3
- 235000019355 sepiolite Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 2
- YYLGKUPAFFKGRQ-UHFFFAOYSA-N dimethyldiethoxysilane Chemical compound CCO[Si](C)(C)OCC YYLGKUPAFFKGRQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910003440 dysprosium oxide Inorganic materials 0.000 claims description 2
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 claims description 2
- 229910001938 gadolinium oxide Inorganic materials 0.000 claims description 2
- 229940075613 gadolinium oxide Drugs 0.000 claims description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 claims description 2
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 2
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 2
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 2
- 239000002689 soil Substances 0.000 claims description 2
- 235000010358 acesulfame potassium Nutrition 0.000 claims 1
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 15
- 238000001125 extrusion Methods 0.000 description 12
- 239000011343 solid material Substances 0.000 description 8
- 239000000440 bentonite Substances 0.000 description 7
- 229910000278 bentonite Inorganic materials 0.000 description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910001593 boehmite Inorganic materials 0.000 description 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 description 2
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 2
- 230000001404 mediated effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 241000219793 Trifolium Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007233 catalytic pyrolysis Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- DLPAJFPCOBSODM-UHFFFAOYSA-N oxygen;sulfur dioxide Chemical compound [O].O=S=O DLPAJFPCOBSODM-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- -1 water-washed kaoline Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—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
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—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
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of catalyst of transition metal oxide and its forming method, which is prepared by transition metal oxide powder, clay class binder, lubricant, hydrophobing agent and water.The preparation method of the catalyst includes weighing material component, and the raw material being added outside hydrophobing agent is into kneader and water is added carries out kneading, adds hydrophobing agent, is formed, dries finished product is prepared.Catalyst of transition metal oxide of the invention has at low cost, and intensity and wearability are high, in water not easy disintegrating the advantages that.
Description
Technical field
The present invention relates to a kind of catalyst and its forming method, specifically a kind of catalyst of transition metal oxide and its at
Type method.
Background technique
The powder molding of catalyst is to guarantee that catalyst can put into an important ring for actual production life.Catalyst at
Type will under conditions of guaranteeing the activity of catalyst, selectivity and thermal stability, can have the intensity for meeting application scenarios and
Shape, it is most common to have column, spherical, cloverleaf pattern and sheet.Same catalyst feed powder, different forming operation sides
Method, which will cause the specific surface area of finished catalyst, Kong Rong, pore-size distribution, has huge difference.
Catalytic pyrolysis of the catalyst of transition metal oxide in petrochemical industry plus hydrogen, sulfur dioxide oxygen in sulfuric acid industry
The fields such as chemical conversion sulfur trioxide suffer from relatively broad application.Catalyst of transition metal oxide is generally with higher to compare table
Area, biggish pore volume, existing oxide molding largely require to carry out the roasting under certain temperature or strong acid are added
It is reacted with binder, can be only achieved certain intensity and abrasion require, the characteristic that catalyst has in the process can be by
To large effect.
Clay class binder includes bentonite, sepiolite, palygorskite, calcined kaolin, metakaolin, water-washed kaoline,
Atlapulgite.Clay has a wide range of applications in life, but easily absorbs water in air as binder, so still needing
Calcined under high temperature, can just catalyst be made to maintain intensity, this greatly limits the use of clay class binder, therefore
A kind of simple and convenient cost-effective method is found, makes clay class binder during shaping of catalyst using particularly important.
Summary of the invention
The invention discloses a kind of catalyst of transition metal oxide and its forming methods, according to molding side of the invention
Method, under conditions of not using strong acid and without roasting, the catalyst being prepared has at low cost, intensity and wearability
Height, in water not easy disintegrating the advantages that.
One aspect of the present invention provides a kind of catalyst of transition metal oxide, and the catalyst is based on parts by weight by following object
Material is prepared：50-200 parts of transition metal oxide powders, 5-40 parts of clay class binders, 0.1-5 parts of lubricants, 0.1-5
Part hydrophobing agent and 10-40 parts of water.
Further, above-mentioned material preferably 100 parts of transition metal oxide powders, 10 parts of clay class binders, 1 part of lubrication
Agent, 1 part of hydrophobing agent and 20-30 parts of water.
Further, above-mentioned transition metal oxide powder be Cu oxide, Mn oxide, ferriferous oxide, nickel oxide,
One of zinc oxide, cerium oxide, barium oxide, lanthanum-oxides, gadolinium oxide, neodymium oxides and dysprosium oxide are several
Kind.
Further, above-mentioned clay class binder be bentonite, sepiolite, palygorskite, calcined kaolin, metakaolin,
One or more of water-washed kaoline, atlapulgite.
Further, above-mentioned lubricant is one or more of graphite, glycerol, black talc powder.
Further, above-mentioned hydrophobing agent is titanate coupling agent, aluminate coupling agent, polyacrylamide, positive silicic acid tetrem
One or more of ester, dimethyl diethoxysilane, dodecyl sodium sulfate.
Further, the preferred MnO of above-mentioned transition metal oxide powder2Or NiO, above-mentioned clay class binder are most preferably swollen
Profit soil or atlapulgite, above-mentioned hydrophobing agent most preferably titanate coupling agent or polyacrylamide.
The present invention also provides a kind of forming method for preparing above-mentioned catalyst of transition metal oxide, which includes
Following steps：
1) transition metal oxide powder, clay class binder part, lubricant and hydrophobing agent are weighed according to mass fraction；
2) material all outside above-mentioned hydrophobing agent is poured into and carries out kneading in kneader, water, Zhi Daogu are added in kneading
Until body material powders form the pug of plastic shape；
3) it mediates, hydrophobing agent is added in the pug of step 2) on one side on one side, kneading 1-5h is carried out in kneader；
4) the good pug of kneading in step 3) is put into molding machine and is formed；
5) the molding pug of step 4) is put into 80-150 DEG C of baking oven dry 4-20h, obtains transition metal oxide
Catalyst.
Further, above-mentioned hydrophobing agent is added dropwise by rubber head dropper or Sprayable is added in pug.
Further, the molding shape of above-mentioned catalyst of transition metal oxide is column, spherical, sheet or clover
Shape.Beneficial effects of the present invention：
1, it is able to carry out and does not roast molding, additionally it is possible to keep the intensity of shaping of catalyst product.
2, without using the nitric acid of highly acid, sulfuric acid, hydrochloric acid has the adhesive of larger impact to oxide catalyst.
3, relative to boehmite, silica solution, Aluminum sol uses clay class binder inexpensively, reduces catalysis
The cost of agent product, and can guarantee that the intensity of catalyst in air and abrasion do not reduce, it is not disintegrated in water.
Specific embodiment
Principles and features of the present invention are described with reference to embodiments, the given examples are served only to explain the present invention,
It is not intended to limit the scope of the present invention.
Embodiment 1
Catalyst of transition metal oxide 1 is prepared, is carried out in accordance with the following steps：
1) 500gMnO is weighed respectively2Powder, 100g atlapulgite powder, the graphite and 5g titanate coupling agent liquid of 5g,
Its mass ratio is 100：20：1：1.
2) material all in addition to titanate coupling agent by above-mentioned pours into and carries out kneading in the small-sized kneader of 5L, side kneading
A certain amount of water is added in side, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, drip to weighed titanate coupling agent in pug with rubber head dropper (can also be used spraying on one side
Form), in kneader carry out kneading 1-5h.
4) the good pug of kneading is put into descaling extrusion press, controls pressure within 3MPa, carried out extrusion forming and formed
Column.
5) obtained wet cylindrical catalyst is put into 80-150 DEG C of baking oven dry 4-20h, obtains finished product.
Embodiment 2
Catalyst of transition metal oxide 1 is prepared, is carried out in accordance with the following steps：
1) 250gMnO is weighed respectively2Powder, 200g atlapulgite powder, the graphite and 25g titanate coupling agent liquid of 25g
Body, mass ratio 10：8：1：1.
2) material all in addition to titanate coupling agent by above-mentioned pours into and carries out kneading in the small-sized kneader of 5L, side kneading
A certain amount of water is added in side, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, drip to weighed titanate coupling agent in pug with rubber head dropper (can also be used spraying on one side
Form), in kneader carry out kneading 1-5h.
4) the good pug of kneading is put into descaling extrusion press, controls pressure within 3MPa, carried out extrusion forming and formed
Column.
5) obtained wet cylindrical catalyst is put into 80-150 DEG C of baking oven dry 4-20h, obtains finished product.
Embodiment 3
Catalyst of transition metal oxide 1 is prepared, is carried out in accordance with the following steps：
1) 1000gMnO is weighed respectively2Powder, 25g atlapulgite powder, the graphite and 0.5g titanate coupling agent of 0.5g
Liquid, mass ratio 2000：50：1：1.
2) material all in addition to titanate coupling agent by above-mentioned pours into and carries out kneading in the small-sized kneader of 5L, side kneading
A certain amount of water is added in side, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, drip to weighed titanate coupling agent in pug with rubber head dropper (can also be used spraying on one side
Form), in kneader carry out kneading 1-5h.
4) the good pug of kneading is put into descaling extrusion press, controls pressure within 3MPa, carried out extrusion forming and formed
Column.
5) obtained wet cylindrical catalyst is put into 80-150 DEG C of baking oven dry 4-20h, obtains finished product.
Embodiment 4
Catalyst of transition metal oxide 2 is prepared, is carried out in accordance with the following steps：
1) 500gNiO powder, 100g bentonite powder, the glycerol of 5g polyacrylamide liquid and 5g, matter are weighed respectively
Amount is than being 100：20：1：1.
2) material all in addition to polyacrylamide by above-mentioned, which pours into, carries out kneading in the small-sized kneader of 5L, in kneading
A certain amount of water is added, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, weighed polyacrylamide is dripped in pug with rubber head dropper on one side, is carried out in kneader
Kneading 1h.
4) the good pug of kneading is put into tablet press machine and carries out tabletting, controlled pressure within 3MPa, carry out extrusion forming
Form column.
5) obtained wet cylindrical catalyst is put into 100 DEG C of baking oven dry 4h, obtains finished product.
Embodiment 5
Catalyst of transition metal oxide 2 is prepared, is carried out in accordance with the following steps：
1) 250gNiO powder is weighed respectively, 200g bentonite powder, the glycerol of 25g polyacrylamide liquid and 25g,
Mass ratio is 10：8：1：1.
2) material all in addition to polyacrylamide by above-mentioned, which pours into, carries out kneading in the small-sized kneader of 5L, in kneading
A certain amount of water is added, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, weighed polyacrylamide is dripped in pug with rubber head dropper on one side, is carried out in kneader
Kneading 1h.
4) the good pug of kneading is put into tablet press machine and carries out tabletting, controlled pressure within 3MPa, carry out extrusion forming
Form column.
5) obtained wet cylindrical catalyst is put into 100 DEG C of baking oven dry 4h, obtains finished product.
Embodiment 6
Catalyst of transition metal oxide 2 is prepared, is carried out in accordance with the following steps：
1) 1000gNiO powder is weighed respectively, 25g bentonite powder, the glycerol of 0.5g polyacrylamide liquid and 0.5g,
Its mass ratio is 2000：50：1：1.
2) material all in addition to polyacrylamide by above-mentioned, which pours into, carries out kneading in the small-sized kneader of 5L, in kneading
A certain amount of water is added, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, weighed polyacrylamide is dripped in pug with rubber head dropper on one side, is carried out in kneader
Kneading 1h.
4) the good pug of kneading is put into tablet press machine and carries out tabletting, controlled pressure within 3MPa, carry out extrusion forming
Form column.
5) obtained wet cylindrical catalyst is put into 100 DEG C of baking oven dry 4h, obtains finished product.
Embodiment 7
Catalyst of transition metal oxide 2 is prepared, is carried out in accordance with the following steps：
1) 250gZnO powder, 250gFe are weighed respectively2O3, 50g bentonite powder, 50g calcined kaolin, 3g polyacrylamide
Amine liquid, 2g tetraethyl orthosilicate, 2g graphite and 3g glycerol.
2) material all in addition to polyacrylamide by above-mentioned, which pours into, carries out kneading in the small-sized kneader of 5L, in kneading
A certain amount of water is added, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, weighed polyacrylamide is dripped in pug with rubber head dropper on one side, is carried out in kneader
Kneading 1h.
4) the good pug of kneading is put into tablet press machine and carries out tabletting, controlled pressure within 3MPa, carry out extrusion forming
Form column.
5) obtained wet cylindrical catalyst is put into 100 DEG C of baking oven dry 4h, obtains finished product.
Embodiment 8
Catalyst of transition metal oxide 2 is prepared, is carried out in accordance with the following steps：
1) V of 200g is weighed respectively2O5Powder, the La of 300g2O3Powder, 40g calcined kaolin, 60g water-washed kaoline,
5g dodecyl sodium sulfate and 5g black talc powder.
2) material all in addition to polyacrylamide by above-mentioned, which pours into, carries out kneading in the small-sized kneader of 5L, in kneading
A certain amount of water is added, until solid material powder forms the pug of plastic shape.
3) it mediates on one side, weighed polyacrylamide is dripped in pug with rubber head dropper on one side, is carried out in kneader
Kneading 1h.
4) the good pug of kneading is put into tablet press machine and carries out tabletting, controlled pressure within 3MPa, carry out extrusion forming
Form column.
5) obtained wet cylindrical catalyst is put into 100 DEG C of baking oven dry 4h, obtains finished product.
Comparative example 1
It weighs respectively a certain amount of ZnO (catalyst of transition metal oxide), the mixing of boehmite solid powder will match
The peptizing agent dust technology set is added drop-wise on mixed-powder, is mediated when being added dropwise, until becoming plastic shape, passes through banded extruder
Extrusion is carried out, under 150 degree after freeze-day with constant temperature 8 hours, is raised to 600 DEG C with the heating rate of 50 DEG C/h, heat preservation obtains sample in 2 hours
Product.
Comparative example 2
A certain amount of vanadium pentoxide powder, water-washed kaoline, silica solution or Aluminum sol are weighed respectively, and weighed five are aoxidized
Two vanadium solids and silica solution are mediated in kneader, until it becomes modeling shape, then tabletting are carried out by tablet press machine, 110
8h is dried at DEG C, obtains molded samples.
According to the test effect of above-described embodiment and comparative example, for comparative example 1, forming process need to be under 550 DEG C of high temperature
It is calcined, the specific surface area of catalyst can be made, the generations such as hole appearance centainly change, and energy consumption is larger.It needs using strong acid,
The property that catalyst fines originally have can be changed, operating process has certain risk.For comparative example 2, the drying of shaped article it
Intensity afterwards is higher, but in air after placement a period of time, strength straight line decline.For embodiment 1-8, sample after molding
Intensity it is high, surface is smooth, at low cost, bentonite or be inertia with atlapulgite relative catalyst, does not influence the work of catalyst
Property, higher intensity can still be maintained up to 70 or more in relative humidity, abrasion do not increase, and can be suitble to a variety of different
Molding equipment.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (9)
1. a kind of catalyst of transition metal oxide, it is characterised in that：The catalyst is prepared by following material based on parts by weight
It obtains：50-200 parts of transition metal oxide powders, 5-40 parts of clay class binders, 0.1-5 parts of lubricants, 0.1-5 parts it is hydrophobic
Agent and 10-40 parts of water.
2. catalyst of transition metal oxide according to claim 1, it is characterised in that：The material is based on parts by weight
For：100 parts of transition metal oxide powders, 10 parts of clay class binders, 1 part of lubricant, 1 part of hydrophobing agent and 20-30 parts of water.
3. catalyst of transition metal oxide according to claim 1, it is characterised in that：The transition metal oxide powder
End be Cu oxide, Mn oxide, ferriferous oxide, nickel oxide, zinc oxide, cerium oxide, barium oxide, lanthanum-oxides,
One or more of gadolinium oxide, neodymium oxides and dysprosium oxide.
4. catalyst of transition metal oxide according to claim 1, it is characterised in that：The clay class binder is swollen
Moisten one or more of soil, sepiolite, palygorskite, calcined kaolin, metakaolin, water-washed kaoline, atlapulgite.
5. catalyst of transition metal oxide according to claim 1, it is characterised in that：The lubricant is graphite, sweet
One or more of oil, black talc powder.
6. catalyst of transition metal oxide according to claim 1, it is characterised in that：The hydrophobing agent is that titanate esters are even
Join agent, aluminate coupling agent, polyacrylamide, tetraethyl orthosilicate, dimethyl diethoxysilane, in dodecyl sodium sulfate
One or more.
7. a kind of forming method for preparing catalyst of transition metal oxide as claimed in any one of claims 1 to 6, the molding
Method includes the following steps：
1) transition metal oxide powder, clay class binder part, lubricant and hydrophobing agent are weighed according to mass fraction；
2) material all outside above-mentioned hydrophobing agent is poured into and carries out kneading in kneader, water is added in kneading, until solids
Until feed powder end forms the pug of plastic shape；
3) it mediates, hydrophobing agent is added in the pug of step 2) on one side on one side, kneading 1-5h is carried out in kneader；
4) the good pug of kneading in step 3) is put into molding machine and is formed；
5) the molding pug of step 4) is put into 80-150 DEG C of baking oven dry 4-20h, obtains transition metal oxide oxidation catalyst
Agent.
8. preparation method according to claim 7, it is characterised in that：In step 3), the hydrophobing agent passes through rubber head dropper
It is added dropwise or Sprayable is added in pug.
9. according to the method described in claim 7, it is characterized in that：The molding shape of catalyst of transition metal oxide is
Column, spherical, sheet or cloverleaf pattern.
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