CN113479842A - Method for preparing hydrogen by using active metal - Google Patents
Method for preparing hydrogen by using active metal Download PDFInfo
- Publication number
- CN113479842A CN113479842A CN202110832731.2A CN202110832731A CN113479842A CN 113479842 A CN113479842 A CN 113479842A CN 202110832731 A CN202110832731 A CN 202110832731A CN 113479842 A CN113479842 A CN 113479842A
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- China
- Prior art keywords
- hydrogen
- aluminum
- sodium
- water
- active metal
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/52—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with liquids; Regeneration of used liquids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/0415—Purification by absorption in liquids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/06—Integration with other chemical processes
- C01B2203/066—Integration with other chemical processes with fuel cells
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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
Abstract
The invention discloses a method for preparing hydrogen by using active metal, which is characterized in that sodium and water react in a kerosene medium to prepare the hydrogen, the sodium is wrapped by aluminum to prepare an aluminum bar, and the aluminum bar is provided with small holes. According to the invention, sodium-coated aluminum reacts with water in a kerosene medium, the contact between sodium and trace water is controlled through the small holes on the coated aluminum, and the reaction rate of sodium and water is further controlled, so that the hydrogen can be continuously, safely prepared for a long time, and the aluminum-containing alkaline liquid after the hydrogen is prepared can be recycled through different means, so that the environmental pollution can be avoided, and the method has an environmental protection significance.
Description
Technical Field
The invention relates to the technical field of energy processing, in particular to a method for preparing hydrogen by using active metal.
Background
The traditional petrochemical energy is non-renewable energy, and along with continuous exploitation, the storage capacity of the petrochemical energy is continuously reduced, and all countries in the world face energy crisis over time. In order to deal with the energy crisis, various countries are continuously searching for replaceable new energy sources, such as wind power, photovoltaic and the like, hydrogen only generates water during combustion, has the advantages of high combustion heat value, good combustibility, no toxicity, no pollution, less transportation loss, capability of being stored in various forms and the like, can reduce the greenhouse effect to the maximum extent by replacing fossil fuels, and three important links on the industrial chain of the development of the hydrogen energy source are hydrogen production, hydrogen storage and fuel cell application respectively.
At present, several main ways for preparing hydrogen include byproduct hydrogen in chlor-alkali industry, hydrogen production by water electrolysis, hydrogen production from chemical raw materials (methanol cracking, ethanol cracking, liquid ammonia cracking, and the like), hydrogen production from petrochemical resources (petroleum cracking, water gas method, and the like), and novel hydrogen production methods (biomass, photochemistry, and the like), but for byproduct hydrogen in chlor-alkali industry, the cost and pressure of hydrogen which may be increased by remote transportation need to be considered, and hydrogen production by water electrolysis has the problems of high manufacturing cost, high liquefaction cost, difficulty in storage, and the like.
Disclosure of Invention
Therefore, based on the above background, the invention provides a method for preparing hydrogen by using an active metal, and provides a new idea for industrial preparation of hydrogen.
The technical scheme of the invention is as follows:
a method for preparing hydrogen by using active metal comprises the steps of reacting sodium with water in a kerosene medium to prepare hydrogen, wherein the sodium is wrapped by aluminum to prepare an aluminum bar, and the aluminum bar is provided with small holes; the water volume ratio is 6-12%.
Furthermore, the prepared hydrogen can be used as hydrogen for a hydrogen fuel cell after being sequentially filtered by acid-containing mixed liquid and purified water.
Further, the small hole is horn-shaped.
Further, the aluminum-containing alkaline liquid after hydrogen preparation can be injected with grease to prepare a road building material or electrolyzed for recycling.
At present, sodium electrolysis and aluminum electrolysis are mature industries, and the preparation cost of sodium and aluminum is greatly reduced, so that the cost of preparing hydrogen by using sodium and aluminum can be greatly reduced compared with the preparation method of electrolytic hydrogen, and compared with other preparation methods, the early investment cost is lower, the production by short-distance investment equipment can be realized, and the long-distance transportation cost of hydrogen is reduced.
The invention has the advantages that:
according to the invention, sodium-coated aluminum reacts with water in a kerosene medium, the contact between sodium and trace water is controlled through the small holes of the coated aluminum, so that the reaction rate of sodium and water is controlled, and the hydrogen can be continuously, safely prepared for a long time, and the aluminum-containing alkaline liquid after the hydrogen is prepared can be recycled through different means, so that the environmental pollution can be avoided, and the method has an environmental protection significance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a simplified schematic diagram of a hydrogen production experiment according to example 1 of the present invention;
in the figure: 1-a reaction vessel; 2-an aluminum bar; 3-aqueous layer; 4-coal oil layer.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
Example 1: a method for preparing hydrogen by using active metal comprises the steps of reacting sodium with water in a kerosene medium to prepare hydrogen, wherein the sodium is wrapped by aluminum to prepare an aluminum bar, and the aluminum bar is provided with small holes; the water volume ratio is 6-12%.
In specific implementation, referring to the attached drawing 1, the aluminum bar 2 internally wrapped with sodium is longitudinally placed in a reaction container 1, the aluminum bar is made of 120g of aluminum wrapping 2-6g of sodium, holes are uniformly formed in the surface of the aluminum bar, 50ml of kerosene is placed in the reaction container, the aluminum bar is immersed in a kerosene layer 4, 3ml of water is slowly injected into the kerosene, the water is separated from the kerosene and is positioned below the kerosene to form a water layer 3, the kerosene is positioned above the water, and when the sodium in the aluminum bar wrapping contacts with trace water, the water reacts with the sodium to release hydrogen.
In specific implementation, the hydrogen prepared by the method is used as a hydrogen source of the hydrogen fuel cell after being sequentially filtered by acid-containing mixed liquid and purified water.
Compared with other hydrogen production methods, the preparation method provided by the invention has the advantages that the initial investment is small, the hydrogen can be prepared in a short distance or a near distance, the cost of transporting the hydrogen in a long distance can be reduced, potential safety hazards possibly generated in the process of transporting the hydrogen can be reduced, and the safety is higher.
The invention and its embodiments have been described above, without this being limitative. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A method for preparing hydrogen by using active metal is characterized in that sodium and water react in a kerosene medium to prepare hydrogen, the sodium is wrapped by aluminum to prepare an aluminum bar, and the aluminum bar is provided with small holes; the water volume ratio is 6-12%.
2. The method for preparing hydrogen by using active metals according to claim 1, wherein the prepared hydrogen can be used as hydrogen for a hydrogen fuel cell after being sequentially filtered by acid-containing mixed liquid and purified water.
3. The method for preparing hydrogen gas using an active metal according to claim 1, wherein the small hole is horn-shaped.
4. The method for preparing hydrogen by using active metal as claimed in claim 1, wherein the alkaline liquid containing aluminum after preparing hydrogen can be injected with grease to prepare road building material or electrolyzed for recycling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110832731.2A CN113479842A (en) | 2021-07-22 | 2021-07-22 | Method for preparing hydrogen by using active metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110832731.2A CN113479842A (en) | 2021-07-22 | 2021-07-22 | Method for preparing hydrogen by using active metal |
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| Publication Number | Publication Date |
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| CN113479842A true CN113479842A (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110832731.2A Pending CN113479842A (en) | 2021-07-22 | 2021-07-22 | Method for preparing hydrogen by using active metal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026111A (en) * | 2022-06-24 | 2022-09-09 | 珠海市斗门区永兴盛环保工业废弃物回收综合处理有限公司 | Waste active metal recovery processing device and use method |
Citations (9)
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| CN102127670A (en) * | 2011-02-15 | 2011-07-20 | 白朴存 | Na-Al composite material and preparation method thereof |
| CN202196538U (en) * | 2011-09-21 | 2012-04-18 | 李庆德 | Experiment device for chemical reaction between sodium and water |
| CN202976636U (en) * | 2012-12-26 | 2013-06-05 | 叶永谦 | Sodium and water reaction experiment device |
| CN203159207U (en) * | 2013-03-15 | 2013-08-28 | 中国计量学院 | Hydrogen production generator based on aluminum and aqueous alkali reaction |
| CN203552565U (en) * | 2013-10-16 | 2014-04-16 | 杨奕杰 | Experimental device for active metal reacting with water |
| CN104370275A (en) * | 2014-10-23 | 2015-02-25 | 杨传保 | Method for producing hydrogen gas by reacting hydrous methanol or ethanol with sodium |
| CN106276791A (en) * | 2016-10-10 | 2017-01-04 | 杭州氢源科技有限公司 | A kind of portable aluminium alkali reaction device for producing hydrogen and control method thereof |
| CN109205557A (en) * | 2017-07-04 | 2019-01-15 | 王治军 | A kind of preparation method of water hydrogen fuel |
| CN111498803A (en) * | 2020-05-22 | 2020-08-07 | 苏州思美特表面材料科技有限公司 | Hydrogen production method |
-
2021
- 2021-07-22 CN CN202110832731.2A patent/CN113479842A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127670A (en) * | 2011-02-15 | 2011-07-20 | 白朴存 | Na-Al composite material and preparation method thereof |
| CN202196538U (en) * | 2011-09-21 | 2012-04-18 | 李庆德 | Experiment device for chemical reaction between sodium and water |
| CN202976636U (en) * | 2012-12-26 | 2013-06-05 | 叶永谦 | Sodium and water reaction experiment device |
| CN203159207U (en) * | 2013-03-15 | 2013-08-28 | 中国计量学院 | Hydrogen production generator based on aluminum and aqueous alkali reaction |
| CN203552565U (en) * | 2013-10-16 | 2014-04-16 | 杨奕杰 | Experimental device for active metal reacting with water |
| CN104370275A (en) * | 2014-10-23 | 2015-02-25 | 杨传保 | Method for producing hydrogen gas by reacting hydrous methanol or ethanol with sodium |
| CN106276791A (en) * | 2016-10-10 | 2017-01-04 | 杭州氢源科技有限公司 | A kind of portable aluminium alkali reaction device for producing hydrogen and control method thereof |
| CN109205557A (en) * | 2017-07-04 | 2019-01-15 | 王治军 | A kind of preparation method of water hydrogen fuel |
| CN111498803A (en) * | 2020-05-22 | 2020-08-07 | 苏州思美特表面材料科技有限公司 | Hydrogen production method |
Non-Patent Citations (1)
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| 成苏炜;吴绍维;田福平;阎阳起;范文杰;谭大志;: "安全简单消解钠的方法", 化学教育(中英文), no. 22 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115026111A (en) * | 2022-06-24 | 2022-09-09 | 珠海市斗门区永兴盛环保工业废弃物回收综合处理有限公司 | Waste active metal recovery processing device and use method |
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