CN106944108A - The preparation of ternary non-crystaline amorphous metal/nano titania catalytic composite material and its application in photolysis water hydrogen - Google Patents

The preparation of ternary non-crystaline amorphous metal/nano titania catalytic composite material and its application in photolysis water hydrogen Download PDF

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CN106944108A
CN106944108A CN201710163176.2A CN201710163176A CN106944108A CN 106944108 A CN106944108 A CN 106944108A CN 201710163176 A CN201710163176 A CN 201710163176A CN 106944108 A CN106944108 A CN 106944108A
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amorphous metal
crystaline amorphous
solution
titanic oxide
oxide nano
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不公告发明人
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Southwest Petroleum University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/185Phosphorus; Compounds thereof with iron group metals or platinum group metals
    • B01J27/1856Phosphorus; Compounds thereof with iron group metals or platinum group metals with platinum group metals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/14Phosphorus; Compounds thereof
    • B01J27/185Phosphorus; Compounds thereof with iron group metals or platinum group metals
    • B01J27/1853Phosphorus; Compounds thereof with iron group metals or platinum group metals with iron, cobalt or nickel
    • B01J35/39
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0027Powdering
    • B01J37/0036Grinding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08Heat treatment
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/04Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
    • C01B3/042Decomposition of water
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02Processes for making hydrogen or synthesis gas
    • C01B2203/0266Processes for making hydrogen or synthesis gas containing a decomposition step
    • C01B2203/0277Processes for making hydrogen or synthesis gas containing a decomposition step containing a catalytic decomposition step
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041Composition of the catalyst
    • C01B2203/1047Group VIII metal catalysts
    • C01B2203/1052Nickel or cobalt catalysts
    • C01B2203/1058Nickel catalysts
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/10Catalysts for performing the hydrogen forming reactions
    • C01B2203/1041Composition of the catalyst
    • C01B2203/1047Group VIII metal catalysts
    • C01B2203/1064Platinum group metal catalysts
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Abstract

The invention discloses a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst and its application in photolysis water hydrogen.Described ternary non-crystaline amorphous metal is Pd Ni P alloys prepared by electroless plating method, and ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst is prepared by low-temperature solid-phase method.The nano composite photo-catalyst of the present invention shows higher hydrogen-producing speed during photocatalytic water.Compared with prior art, the hydrogen-producing speed of photochemical catalyst of the invention is 3.5 times of nano titanium dioxide powder hydrogen-producing speed under the same terms.The nano composite photo-catalyst of the present invention effectively increases photocatalytic activity using Pd Ni P ternary non-crystaline amorphous metals.The present invention prepares composite photo-catalyst using low-temperature solid-phase method, with technique is simple, equipment is simple, simple operation and other advantages, is applicable industrialized production.

Description

The preparation of ternary non-crystaline amorphous metal/nano titania catalytic composite material and its Application in photolysis water hydrogen
Technical field
The invention belongs to photocatalysis technology field, it is related to a kind of Pd-Ni-P ternarys non-crystaline amorphous metal and nano titanium oxide The preparation method of composite photo-catalyst and its application in light decomposes aquatic products hydrogen.
Background technology
(1) non-crystaline amorphous metal has excellent mechanical property, electric property, magnetic performance and chemical property.Research shows, Amorphous alloy has obvious catalytic action to some chemical reactions.Pd-Ni-P alloys can shape in very wide compositing range Into amorphous structure, its excellent physical-chemical performance all has a good application prospect in terms of machinery, electro-catalysis.This Invention prepares Pd-Ni-P ternary non-crystaline amorphous metals using electroless plating method, and its process is simple, and equipment requirement is simple.
(2) with expanding economy and the growth of population, traditional fossil fuel result in a series of pollution problem, sternly The sustainable development of human society is threaten again.Therefore, facing mankind huge energy crisis and environmental problem.Hydrogen is not only With cleaning, reproducible advantage, had good burning performance, the features such as energy conversion rate is high while also having, be considered as optimal Clean energy resource.In recent years, photocatalytic hydrogen production by water decomposition is increasingly paid close attention to by researcher.The invention provides a kind of new light The preparation method of catalyst, obtains the nano composite photo-catalyst of a class better performances.
(3) nano titanium oxide is a kind of new high-performance inorganic nanometer materials, is both had with general nano material Standby skin effect, quantum size effect and macro quanta tunnel effect, has the unique photocatalytic of semi-conducting material, light again The premium properties such as electric transformational and photocatalysis stability, so nano titanium oxide is the conductor photocatalysis material of most study Material.Novel photocatalyst is developed, it is all possessed good photocatalysis Decomposition aquatic products hydrogen under ultraviolet light and radiation of visible light Performance, tool is of great significance.Ternary non-crystaline amorphous metal/nano titania that the present invention is prepared using low-temperature solid-phase method is multiple The speed that closing light catalyst decomposes aquatic products hydrogen is higher.
The content of the invention
It is an object of the invention to provide a kind of Pd-Ni-P ternarys non-crystaline amorphous metal/titanic oxide nano compound photocatalyst Preparation method.Ternary non-crystaline amorphous metal is obtained by electroless plating method, then ternary non-crystaline amorphous metal/dioxy is prepared using low-temperature solid-phase method Change titanium nano composite photo-catalyst.This method is simple to operate, and can be realized by adjusting technological parameter to ternary non-crystaline amorphous metal The precise control of non-crystaline amorphous metal content in component and nano composite photo-catalyst.
The preparation method of novel photocatalyst of the present invention comprises the following steps:
(1) 0.5~10g hypophosphites is added into 10~200mL to go from obtained solution A in water;
(2) it is slowly added dropwise in the inorganic palladium salts of 0.01~0.2g after 0.1~5.0mL concentrated hydrochloric acids, 10~60min of stirring, drop Plus 0.5~10mL ammonia spirits, continue to stir after 10~60min, solution becomes colorless, obtained solution B;
(3) l0~200mL deionized waters are heated to after 40~80 DEG C in water-bath, sequentially add 0.5~10g boron Solids is treated in acid, 0.5~10g inorganic nickels, 0.5~10g sodium citrates, 0.5~5g ammonium chlorides, 0.5~5g ammonium sulfate, stirring Matter is completely dissolved rear obtained solution C;
(4) solution B and solution C are mixed, by add sodium hydroxide solution adjust the pH value of mixed solution for 7.0~ 9.0 scopes, obtained solution D;
(5) solution A is added in solution D, 1~12h is reacted at room temperature, solid matter is put into 60 DEG C of baking after filtering Dried in case after 1~10h, obtain non-crystaline amorphous metal;
(6) obtained non-crystaline amorphous metal is put into nano titanium dioxide powder according to 0.1~5.0wt% mass percent Ball milling in ball grinder, controls drum's speed of rotation for 100~1000r/min, after 30~300min of ball milling, is made three before heat treatment First non-crystaline amorphous metal/titanic oxide nano compound material;
(7) obtained ternary non-crystaline amorphous metal/titanic oxide nano compound material in step (6) is put into high temperature process furnances In, in 99.99% high pure nitrogen (flow is 1~5L/min), 300~500 DEG C of scopes are heated to, and be incubated 0.5~6h. After furnace cooling, final ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst is obtained.
Hypophosphites described in step (1) is one kind in preferred sodium hypophosphite, potassium hypophosphite.Described in step (2) Inorganic palladium salt be one or more of any combination in preferred palladium bichloride, palladium nitrate, palladium sulfate.Described in step (3) Inorganic nickel is one or more of any combination in preferred nickel chloride, nickel sulfate, nickel nitrate.
Compared with the conventional method, the invention has the advantages that:
(1) photochemical catalyst prepared by the present invention has good photocatalysis hydrogen production performance, and hydrogen-producing speed is higher;
(2) present invention prepares photochemical catalyst using low-temperature solid-phase method, and technique is simple, equipment is simple, simple to operate.
Brief description of the drawings
Fig. 1 is X-ray diffractogram spectrogram, and Fig. 2 is hydrogen-producing speed curve map.Curve 1, curve 2, curve 3 are respectively in Fig. 1 The ternary non-crystaline amorphous metal of preparation, nano titanium dioxide powder, the X of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst X ray diffraction collection of illustrative plates.Curve 1, curve 2, curve 3 respectively ternary non-crystaline amorphous metal, nano titanium dioxide powder, ternary are non-in Fig. 2 The hydrogen-producing speed curve of peritectic alloy/titanic oxide nano compound photocatalyst (embodiment 1).
Embodiment
Below by embodiment, the present invention will be further described, and its purpose, which is only that, more fully understands present disclosure The protection domain being not intended to limit the present invention.
Embodiment 1:
(1) 1g potassium hypophosphites are added to obtained solution A in 25mL deionized waters.
(2) it is slowly added dropwise in 0.016g palladium nitrates after 0.4mL concentrated hydrochloric acids, stirring 10min, 0.75mL ammoniacal liquor is added dropwise molten Liquid, continues to stir after 20min, solution becomes colorless, obtained solution B.
(3) 20mL deionized waters are heated to after 50 DEG C in water-bath, sequentially add 1g boric acid, 1g nickel sulfate hexahydrates, 1g sodium citrates, 0.75g ammonium chlorides, 0.75g ammonium sulfate, stirring obtained solution C after solid matter is completely dissolved.
(4) solution B and solution C are mixed, the pH value that mixed solution is adjusted by adding sodium hydroxide solution is 8.0, system Obtain solution D.
(5) solution A is added in solution D, 4h is reacted at room temperature, solid matter is put into 60 DEG C of baking oven after filtering Dry after 3h, obtain non-crystaline amorphous metal.
(6) obtained non-crystaline amorphous metal and nano titanium dioxide powder are put into ball milling according to 1.2wt% mass percent Ball milling in tank, controls drum's speed of rotation for 400r/min, and after ball milling 60min, ternary non-crystaline amorphous metal/dioxy before heat treatment is made Change titanium nanometer composite material.
(7) obtained ternary non-crystaline amorphous metal/titanic oxide nano compound material in step (6) is put into high temperature process furnances In, in 99.99% high pure nitrogen (flow is 2L/min), 300 DEG C are heated to, and be incubated 1h.After furnace cooling, obtain Final ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst.
Photocatalytic hydrogen production by water decomposition performance test is carried out at room temperature:99.99% height is passed through into 30% methanol solution Pure nitrogen gas deoxygenation 50min, in this, as sacrifice agent.The methanol solutions of 100mL 30% of deoxygenation are taken, and it is non-to add 20mg ternarys Moved into after peritectic alloy/titanic oxide nano compound photocatalyst, ultrasonic 30min in quartz glass reactor.In 500W mercury lamps Under irradiation, using drainage, relation curve such as Fig. 2 curve 3 institute of the hydrogen-producing speed with the photocatalytic degradation time is obtained by calculating Show.
Embodiment 2:
(1) 2g sodium hypophosphites are added to obtained solution A in 50mL deionized waters.
(2) it is slowly added dropwise in 0.028g palladium bichlorides after 0.8mL concentrated hydrochloric acids, stirring 20min, 1.5mL ammonia spirits is added dropwise, Continue to stir after 30min, solution becomes colorless, obtained solution B.
(3) 40mL deionized waters are heated to after 60 DEG C in water-bath, sequentially add 2g boric acid, 2g nickel nitrates, 2g lemons Lemon acid sodium, 1.5g ammonium chlorides, 1.5g ammonium sulfate, stirring obtained solution C after solid matter is completely dissolved.
(4) solution B and solution C are mixed, by adding the pH value that flaky sodium hydrate adjusts mixed solution to be 7.5, are made Solution D.
(5) solution A is added in solution D, 4h is reacted at room temperature, solid matter is put into 60 DEG C of baking oven after filtering Dry after 3h, obtain non-crystaline amorphous metal.
(6) obtained non-crystaline amorphous metal and nano titanium dioxide powder are put into ball milling according to 2.0wt% mass percent Ball milling in tank, controls drum's speed of rotation for 400r/min, and after ball milling 120min, ternary non-crystaline amorphous metal/bis- before heat treatment are made TiOx nano composite.
(7) obtained ternary non-crystaline amorphous metal/titanic oxide nano compound material in step (6) is put into high temperature process furnances In, in 99.99% high pure nitrogen (flow is 2L/min), 400 DEG C are heated to, and be incubated 2h.After furnace cooling, obtain most Whole ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst.
Photocatalytic hydrogen production by water decomposition performance test is carried out at room temperature:99.99% height is passed through into 30% methanol solution Pure nitrogen gas deoxygenation 50min, in this, as sacrifice agent.The methanol solutions of 100mL 30% of deoxygenation are taken, and it is non-to add 20mg ternarys Moved into after peritectic alloy/titanic oxide nano compound photocatalyst, ultrasonic 30min in quartz glass reactor.In 500W mercury lamps Under irradiation, the hydrogen produced by being collected using drainage obtains relation of the hydrogen-producing speed with the photocatalytic degradation time by calculating Curve.
Embodiment 3:
(1) 5g potassium hypophosphites are added to obtained solution A in 125mL deionized waters.
(2) it is slowly added dropwise in 0.056g palladium sulfates after 3.2mL concentrated hydrochloric acids, stirring 30min, 6mL ammonia spirits is added dropwise, after After continuous stirring 40min, solution becomes colorless, obtained solution B.
(3) 100mL deionized waters are heated to after 70 DEG C in water-bath, sequentially add 5g boric acid, 5g nickel chlorides, 5g lemons Lemon acid sodium, 3.75g ammonium chlorides, 3.75g ammonium sulfate, stirring obtained solution C after solid matter is completely dissolved.
(4) solution B and solution C are mixed, by adding the pH value that flaky sodium hydrate adjusts mixed solution to be 7.0, are made Solution D.
(5) solution A is added in solution D, 6h is reacted at room temperature, solid matter is put into 60 DEG C of baking oven after filtering Dry after 5h, obtain non-crystaline amorphous metal.
(6) obtained non-crystaline amorphous metal and nano titanium dioxide powder are put into ball milling according to 0.6wt% mass percent Ball milling in tank, controls drum's speed of rotation for 500r/min, and after ball milling 200min, ternary non-crystaline amorphous metal/bis- before heat treatment are made TiOx nano composite.
(7) obtained ternary non-crystaline amorphous metal/titanic oxide nano compound material in step (6) is put into high temperature process furnances In, in 99.99% high pure nitrogen (flow is 3L/min), 350 DEG C are heated to, and be incubated 3h.After furnace cooling, obtain most Whole ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst.
Photocatalytic hydrogen production by water decomposition performance test is carried out at room temperature:99.99% height is passed through into 30% methanol solution Pure nitrogen gas deoxygenation 50min, in this, as sacrifice agent.The methanol solutions of 100mL 30% of deoxygenation are taken, and it is non-to add 20mg ternarys Moved into after peritectic alloy/titanic oxide nano compound photocatalyst, ultrasonic 30min in quartz glass reactor.In 500W mercury lamps Under irradiation, the hydrogen produced by being collected using drainage obtains relation of the hydrogen-producing speed with the photocatalytic degradation time by calculating Curve.
Embodiment 4:
(1) 10g sodium hypophosphites are added to obtained solution A in 200mL deionized waters.
(2) it is slowly added dropwise in 0.02g palladium bichlorides after 4.5mL concentrated hydrochloric acids, stirring 50min, 8.5mL ammonia spirits is added dropwise, Continue to stir after 60min, solution becomes colorless, obtained solution B.
(3) 200mL deionized waters are heated to after 80 DEG C in water-bath, sequentially add 10g boric acid, the water sulfuric acid of 10g six Nickel, 10g sodium citrates, 5g ammonium chlorides, 5g ammonium sulfate, stirring obtained solution C after solid matter is completely dissolved.
(4) solution B and solution C are mixed, by adding the pH value that flaky sodium hydrate adjusts mixed solution to be 9.0, are made Solution D.
(5) solution A is added in solution D, 12h is reacted at room temperature, solid matter is put into 60 DEG C of baking oven after filtering After middle dry 8h, non-crystaline amorphous metal is obtained.
(6) obtained non-crystaline amorphous metal and nano titanium dioxide powder are put into ball milling according to 5.0wt% mass percent Ball milling in tank, controls drum's speed of rotation for 600r/min, and after ball milling 240min, ternary non-crystaline amorphous metal/bis- before heat treatment are made TiOx nano composite.
(7) obtained ternary non-crystaline amorphous metal/titanic oxide nano compound material in step (6) is put into high temperature process furnances In, in 99.99% high pure nitrogen (flow is 5L/min), 450 DEG C are heated to, and be incubated 5h.After furnace cooling, obtain most Whole ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst.
Photocatalytic hydrogen production by water decomposition performance test is carried out at room temperature:99.99% height is passed through into 30% methanol solution Pure nitrogen gas deoxygenation 50min, in this, as sacrifice agent.The methanol solutions of 100mL 30% of deoxygenation are taken, and it is non-to add 20mg ternarys Moved into after peritectic alloy/titanic oxide nano compound photocatalyst, ultrasonic 30min in quartz glass reactor.In 500W mercury lamps Under irradiation, the hydrogen produced by being collected using drainage obtains relation of the hydrogen-producing speed with the photocatalytic degradation time by calculating Curve.

Claims (9)

1. a kind of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst, it is characterised in that:Three are obtained by electroless plating method First non-crystaline amorphous metal, then ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst, the photocatalysis is prepared using low-temperature solid-phase method Agent has preferable hydrogen-producing speed.
2. the preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 1, its feature It is to comprise the following steps:
(1) hypophosphites is added to from obtained solution A in water;
(2) appropriate concentrated hydrochloric acid is slowly added dropwise in inorganic palladium salt, after stirring a period of time, ammonia spirit is added dropwise, continues to stir one After the section time, solution becomes colorless, obtained solution B;
(3) certain deionized water is heated to after uniform temperature in water-bath, sequentially adds boric acid, inorganic nickel, lemon Sour sodium, ammonium chloride, ammonium sulfate, stirring obtained solution C after solid matter is completely dissolved;
(4) solution B and solution C are mixed, the pH value of mixed solution, obtained solution D is adjusted by adding sodium hydroxide solution;
(5) solution A is added in solution D, reacted at room temperature certain time, solid matter is put into baking oven after filtering and done It is dry, obtain non-crystaline amorphous metal;
(6) obtained non-crystaline amorphous metal and nano titanium dioxide powder are put into ball in ball grinder according to certain mass percent Mill, control drum's speed of rotation, ball milling for a period of time after, be made heat treatment before ternary non-crystaline amorphous metal/nano titania be combined Material;
(7) obtained ternary non-crystaline amorphous metal/titanic oxide nano compound material in step (6) is put into high temperature process furnances, In high pure nitrogen, uniform temperature, and held for some time are heated to, after furnace cooling, final ternary non-crystaline amorphous metal/bis- are obtained TiOx nano composite photo-catalyst.
3. a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 2, its Be characterised by that the hypophosphites described in step (1) is one kind in preferred sodium hypophosphite, potassium hypophosphite, solution A be 10~ 200mL goes what is obtained from dissolving 0.5~10g hypophosphites in water.
4. a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 2, its It is one or more of any in preferred palladium bichloride, palladium nitrate, palladium sulfate to be characterised by the inorganic palladium salt described in step (2) Combination, is slowly added dropwise in the inorganic palladium salts of 0.01~0.2g after 0.1~5.0mL concentrated hydrochloric acids, 10~60min of stirring, and dropwise addition 0.5~ 10mL ammonia spirits, continue to stir after 10~60min, solution becomes colorless, obtained solution B.
5. a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 2, its It is one or more of any in preferred nickel chloride, nickel sulfate, nickel nitrate to be characterised by the inorganic nickel described in step (3) Combination, l0~200mL deionized waters are heated to after 40~80 DEG C in water-bath, sequentially add 0.5~10g boric acid, 0.5~ 10g inorganic nickels, 0.5~10g sodium citrates, 0.5~5g ammonium chlorides, 0.5~5g ammonium sulfate, stirring treat that solid matter is completely molten Obtained solution C after solution.
6. a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 2, its It is characterised by step (4), the pH value by mixed solution adjusts most 7.0~9.0 scopes, obtained solution D.
7. a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 2, its 1~12h of reaction at room temperature described in step (5) is characterised by, solid matter is put into 60 DEG C of baking oven after filtering and done After dry 1~10h, non-crystaline amorphous metal is obtained.
8. a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 2, its Be characterised by described in step (6) by the matter of obtained non-crystaline amorphous metal and nano titanium dioxide powder according to 0.1~5.0wt% Amount percentage is put into ball milling in ball grinder, controls drum's speed of rotation for 100~1000r/min, after 30~300min of ball milling, is made Ternary non-crystaline amorphous metal/titanic oxide nano compound material before heat treatment.
9. a kind of preparation method of ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst as claimed in claim 2, its It is characterised by being put into obtained ternary non-crystaline amorphous metal/titanic oxide nano compound material in step (6) described in step (7) In high temperature process furnances, in 99.99% high pure nitrogen (flow is 1~5L/min), 300~500 DEG C of scopes are heated to, and protect 0.5~6h of temperature, after furnace cooling, obtains final ternary non-crystaline amorphous metal/titanic oxide nano compound photocatalyst.
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Cited By (2)

* Cited by examiner, † Cited by third party
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CN108671925A (en) * 2018-05-28 2018-10-19 国网山东省电力公司电力科学研究院 Nano-TiO2Amorphous acid bronze alloy composite photocatalyst material and preparation method thereof and purposes
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