CN1947845A - Carried catalyst chemical plating method for hydrolyzing hydroborates to produce hydrogen - Google Patents
Carried catalyst chemical plating method for hydrolyzing hydroborates to produce hydrogen Download PDFInfo
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- CN1947845A CN1947845A CNA2005100153900A CN200510015390A CN1947845A CN 1947845 A CN1947845 A CN 1947845A CN A2005100153900 A CNA2005100153900 A CN A2005100153900A CN 200510015390 A CN200510015390 A CN 200510015390A CN 1947845 A CN1947845 A CN 1947845A
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- borohydride
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
A chemicoplated catalyst for preparing H2 from boron hydride by hydrolysis features that its active component is carried through chemicoplating. Its preparing process includes such steps as preparing chemicoplating solution through dissolving metal salt in distilled water respectively the metal ion contained compound and reducer, mixing, adding additive, regulating pH value and heating, chemicoplating the carrier, washing with distilled water, and drying.
Description
Technical Field
The invention belongs to the technical field of hydrogen energy catalysis, and particularly relates to a method for preparing hydrogen by hydrolyzing borohydride and chemically plating an carried catalyst.
Background
In recent years, many scholars at home and abroad research the hydrogen production through the hydrolysis reaction of metal borohydride and apply for some patents. The principle of the method is that the metal borohydride is dissolved in alkaline solution to facilitate storage, and a metal catalyst is added to accelerate the reaction when the metal borohydride is used. The Amendola carries Ru on IRA-400 cation resin as a catalyst to carry out catalytic hydrogen production on metal borohydride. The preparation of the compound is carried out by the processes of dissolution, adsorption, exchange and the like, and the steps are complex and the process is complex. Chinese patent (CN 1565958A) discloses a chemical deposition method, in which a catalyst is deposited on a porous substrate, so that the prepared catalyst can block the pores of the porous carrier, and when a reaction occurs, the gas pressure in the pores rises, and the catalyst is easy to fall off.
Disclosure of Invention
The hydrogen production by borohydride hydrolysis is that metal borohydride is dissolved in alkaline solution, and after the metal borohydride contacts with a catalyst, the metal borohydride undergoes hydrolysis reaction to release hydrogen, which is expressed by the following equation:
m is alkali metal, which may be one or several of Na, K and Li, and under the action of catalyst, the metal borohydride reacts with water to produce metaborate and hydrogen.
The catalyst is loaded inside and on the surface of the porous carrier by electroless plating.
The invention adopts the following technical scheme:
a method for preparing hydrogen by hydrolyzing borohydride and chemically plating an carried catalyst, wherein a metal catalyst is carried in and on a porous carrier by a chemical method, and the preparation process comprises the following steps:
1. preparing chemical plating solution according to the proportion: dissolving 1-100g of metal ion-containing compound and 1-50g of reducing agent in distilled water respectively, mixing the two solutions, stirring uniformly, diluting to 1-10L with distilled water, adding 0.2-2g of additive, adjusting pH value to 8-10, and heating the solution to 30-90 ℃;
wherein: the compound of the metal ions is one or a mixture of a plurality of halides, hydroxides, nitrates and phosphates of palladium, platinum, rhodium, ruthenium, osmium, iridium, nickel or cobalt;
the reducing agent is one or more of hypophosphite, phosphite, hydrazine and hydrazine hydrate;
the additive is one or more of ethylenediamine, 2g/L thiodiglycolic acid, hydrochloric acid with the weight concentration of 30-40%, ammonia water with the weight concentration of 20-30%, ammonium chloride, sodium hydroxide, hydroxylamine hydrochloride and 10-20g/L EDTA;
2. carrying out chemical plating on the catalyst carrier: putting the catalyst carrier into the prepared solution, and standing for 5-200 minutes;
3. cleaning and drying: taking out, washing with distilled water, and drying to obtain the catalyst.
The invention can also adopt the following technical measures:
the method for preparing hydrogen by hydrolyzing borohydride and chemically plating the supported catalyst is characterized by comprising the following steps of: and putting the catalyst carrier into the solution, and standing for 30-120 minutes.
The method for preparing hydrogen by hydrolyzing borohydride and chemically plating the supported catalyst is characterized by comprising the following steps of: adjusting pH to 8-10 with sulfuric acid, sodium hydroxide or ammonia water.
The method for preparing hydrogen by hydrolyzing borohydride and chemically plating the supported catalyst is characterized by comprising the following steps of: the chemical plating carried catalyst is naturally dried.
The method for preparing hydrogen by hydrolyzing borohydride and chemically plating the supported catalyst is characterized by comprising the following steps of: the matrix porous carrier is copper, iron, tin and nickel.
The method for preparing hydrogen by hydrolyzing borohydride and chemically plating the supported catalyst is characterized by comprising the following steps of: the matrix porous carrier is in a sheet shape, a net shape, particles or foam.
The invention has the advantages and positive effects that:
1. the chemical plating method for loading the catalyst has the advantages that the plating layer on the surface of the substrate is very thin, the holes in the porous carrier cannot be filled, the resistance is small when the reaction solution flows through, and the power consumption of the water pump is reduced.
2. The plating layer obtained by chemical plating has small thickness, the catalyst active surface with the same weight is large, and the catalyst utilization rate is high.
3. The catalyst has high adhesion firmness on the substrate and can not fall off.
4. The catalyst is attached to a porous carrier and can be made into various shapes such as a sheet, a net, particles and the like.
5. The preparation method of the catalyst is simple, and the catalyst can be prepared in batches.
Detailed Description
To further clarify the disclosure, features and advantages of the present invention, the following examples are set forth in the appended claims:
example 1
Mixing 10g of Pt (OH)4Dissolving 0.5g hydrazine in distilled water respectively, mixing them uniformly, diluting to 1L with distilled water, adding 2g ethylenediamine, dripping 15 drops of 20% EDTA, heating to 60 deg.C, regulating pH value to 10 with NaOH, cutting copper net into 5 × 5cm pieces2Squareness, placing the solution into the solution for standing for 30 minutes, taking out the solution, washing the solution with distilled water, and naturally drying the solution to obtain the platinum catalyst.
Example 2
5.2g of RuCl2And 5g NaNO2Respectively dissolving in small amount of distilled water, mixing, stirring, diluting with distilled water to 1L, adding 10 drops of ammonia water, heating to 45 deg.C, adjusting pH to 9, and cutting foamed nickel into 5 × 5cm pieces2And putting the square into the solution, standing for 40 minutes, taking out, washing with distilled water, and naturally drying to obtain the ruthenium catalyst.
Example 3
2.5g NaOH was dissolved in 15mL distilled water, and 3.5g NaBH was added4Is added intoThe catalyst prepared by the method can obtain 8.7 liters of hydrogen in 6 minutes, the average rate of the generated hydrogen is 1.45L/min, and no falling catalyst particles exist in the solution after the reaction is finished. The average rate of hydrogen generated by the powdery catalyst generated by direct reduction is 1.51L/min, which proves that the activity of the chemical supported catalyst is good.
Claims (6)
1. A method for preparing hydrogen by hydrolyzing borohydride and chemically plating an carried catalyst, which is characterized in that a metal catalyst is carried inside and on the surface of a porous carrier by a chemical method, and the method for preparing the metal catalyst for preparing hydrogen by catalyzing the hydrolysis of borohydride is characterized by comprising the following steps:
(1) preparing chemical plating solution according to the proportion: dissolving 1-100g of metal ion-containing compound and 1-50g of reducing agent in distilled water respectively, mixing the two solutions, stirring uniformly, diluting to 1-10L with distilled water, adding 0.2-2g of additive, adjusting pH value to 8-10, and heating the solution to 30-90 ℃;
wherein: the compound of the metal ions is one or a mixture of a plurality of halides, hydroxides, nitrates and phosphates of palladium, platinum, rhodium, ruthenium, osmium, iridium, nickel or cobalt;
the reducing agent is one or more of hypophosphite, phosphite, hydrazine and hydrazine hydrate;
the additive is one or more of ethylenediamine, 2g/L thiodiglycolic acid, hydrochloric acid with the weight concentration of 30-40%, ammonia water with the weight concentration of 20-30%, ammonium chloride, sodium hydroxide, hydroxylamine hydrochloride and 10-20g/L EDTA;
(2) carrying out chemical plating on the catalyst carrier: putting the catalyst carrier into the prepared solution, and standing for 5-200 minutes;
(3) cleaning and drying: taking out, washing with distilled water, and drying to obtain the catalyst.
2. The method for preparing hydrogen by borohydride hydrolysis and chemically plating the supported catalyst according to claim 1, which is characterized in that: and putting the catalyst carrier into the solution, and standing for 30-120 minutes.
3. The method for preparing hydrogen by borohydride hydrolysis and chemically plating the supported catalyst according to claim 1, which is characterized in that: adjusting pH to 8-10 with sulfuric acid, sodium hydroxide or ammonia water.
4. The method for preparing hydrogen by borohydride hydrolysis and chemically plating the supported catalyst according to claim 1, which is characterized in that: the chemical plating carried catalyst is naturally dried.
5. The method for preparing hydrogen by borohydride hydrolysis and chemically plating the supported catalyst according to claim 1, which is characterized in that: the matrix porous carrier is copper, iron, tin and nickel.
6. The method for preparing hydrogen by borohydride hydrolysis and chemically plating the supported catalyst according to claim 1, which is characterized in that: the matrix porous carrier is in a sheet shape, a net shape, particles or foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100153900A CN100411740C (en) | 2005-10-14 | 2005-10-14 | Carried catalyst chemical plating method for hydrolyzing hydroborates to produce hydrogen |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100153900A CN100411740C (en) | 2005-10-14 | 2005-10-14 | Carried catalyst chemical plating method for hydrolyzing hydroborates to produce hydrogen |
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| CN1947845A true CN1947845A (en) | 2007-04-18 |
| CN100411740C CN100411740C (en) | 2008-08-20 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102909078A (en) * | 2012-10-25 | 2013-02-06 | 南京大地冷冻食品有限公司 | Non-metallic material chemical plating high-activity palladium catalyst concentrated solution and preparation method thereof |
| CN104014375A (en) * | 2014-05-30 | 2014-09-03 | 绍兴文理学院 | Macromolecule inorganic composite nanosphere supported Ni-B catalyst and preparation method and application thereof |
| CN104148084A (en) * | 2014-07-22 | 2014-11-19 | 桂林电子科技大学 | Preparation of nano porous quaternary alloy catalyst and application thereof in production of hydrogen by virtue of ammonia borane hydrolysis |
| CN104148085A (en) * | 2014-07-22 | 2014-11-19 | 桂林电子科技大学 | Nanoporous quaternary alloy catalyst and preparation method thereof |
| CN104226313A (en) * | 2014-08-26 | 2014-12-24 | 内蒙古工业大学 | Preparation method and application of chemical copper-plated catalyst for cyclohexene oxidization |
| CN106622232A (en) * | 2016-12-26 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Denitration catalyst and preparation method thereof |
| CN110252356A (en) * | 2019-06-11 | 2019-09-20 | 广东国鸿氢能科技有限公司 | A kind of Ru-P catalyst and its preparation method and application |
| CN114682279A (en) * | 2022-04-14 | 2022-07-01 | 辽宁大学 | MXene loaded Co-Ni-P catalyst, preparation method thereof and application thereof in hydrogen production by hydrolysis of sodium borohydride |
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| CN109317163B (en) * | 2018-10-15 | 2021-02-19 | 北京化工大学 | Preparation method of catalyst for hydrogen production by alcoholysis of sodium borohydride |
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| CN1157467C (en) * | 2001-07-02 | 2004-07-14 | 中国石油化工股份有限公司 | Catalyst for preparing liquefied petroleum gas from C4 fraction and its preparing process |
| CN1438169B (en) * | 2003-03-27 | 2010-05-12 | 武汉大学 | Hydrogen preparation method and apparatus |
| CN1536100A (en) * | 2003-04-07 | 2004-10-13 | 李 明 | Environment-protecting catalytic liquor for chemically-plating copper, nikel and phosphorus three-element alloy and its preparation method |
| JP2005054240A (en) * | 2003-08-05 | 2005-03-03 | Fuji Photo Film Co Ltd | Electroconductive film, and its production method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102909078A (en) * | 2012-10-25 | 2013-02-06 | 南京大地冷冻食品有限公司 | Non-metallic material chemical plating high-activity palladium catalyst concentrated solution and preparation method thereof |
| CN102909078B (en) * | 2012-10-25 | 2014-09-24 | 南京大地冷冻食品有限公司 | Non-metallic material chemical plating high-activity palladium catalyst concentrated solution and preparation method thereof |
| CN104014375A (en) * | 2014-05-30 | 2014-09-03 | 绍兴文理学院 | Macromolecule inorganic composite nanosphere supported Ni-B catalyst and preparation method and application thereof |
| CN104148084A (en) * | 2014-07-22 | 2014-11-19 | 桂林电子科技大学 | Preparation of nano porous quaternary alloy catalyst and application thereof in production of hydrogen by virtue of ammonia borane hydrolysis |
| CN104148085A (en) * | 2014-07-22 | 2014-11-19 | 桂林电子科技大学 | Nanoporous quaternary alloy catalyst and preparation method thereof |
| CN104148084B (en) * | 2014-07-22 | 2016-06-01 | 桂林电子科技大学 | The preparation of a kind of nanoporous quad alloy catalyzer and the application in ammonia borane hydrolysis hydrogen manufacturing thereof |
| CN104226313A (en) * | 2014-08-26 | 2014-12-24 | 内蒙古工业大学 | Preparation method and application of chemical copper-plated catalyst for cyclohexene oxidization |
| CN104226313B (en) * | 2014-08-26 | 2017-01-25 | 内蒙古工业大学 | Preparation method and application of chemical copper-plated catalyst for cyclohexene oxidization |
| CN106622232A (en) * | 2016-12-26 | 2017-05-10 | 北京神雾环境能源科技集团股份有限公司 | Denitration catalyst and preparation method thereof |
| CN110252356A (en) * | 2019-06-11 | 2019-09-20 | 广东国鸿氢能科技有限公司 | A kind of Ru-P catalyst and its preparation method and application |
| CN110252356B (en) * | 2019-06-11 | 2022-04-19 | 广东国鸿氢能科技有限公司 | Ru-P catalyst and preparation method and application thereof |
| CN114682279A (en) * | 2022-04-14 | 2022-07-01 | 辽宁大学 | MXene loaded Co-Ni-P catalyst, preparation method thereof and application thereof in hydrogen production by hydrolysis of sodium borohydride |
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| CN100411740C (en) | 2008-08-20 |
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