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a use of k 2 nif 4 Apparatus and method for producing hydrogen by splitting water with structural oxygen-permeable membrane material

An oxygen-permeable membrane and water-splitting technology, applied in chemical instruments and methods, hydrogen production, hydrogen and other directions, can solve problems such as the difficulty of continuous hydrogen production by product separation, and achieve the effect of natural separation and separation.

Active Publication Date: 2017-09-22
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At this stage, due to the use of Redox-OEM hydrogen production, there are problems of product separation (product and OEM) and continuous hydrogen production.

Method used

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  • a use of k <sub>2</sub> nif <sub>4</sub> Apparatus and method for producing hydrogen by splitting water with structural oxygen-permeable membrane material
  • a use of k <sub>2</sub> nif <sub>4</sub> Apparatus and method for producing hydrogen by splitting water with structural oxygen-permeable membrane material

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Such as figure 2 As shown, the use of K 2 NiF 4 A device for decomposing water to produce hydrogen with structural oxygen-permeable membrane materials, including reducing gas inlet 1, synthesis gas outlet 2, silver sealing ring 3, K 2 NiF 4 Structural oxygen permeable membrane 4, quartz reactor 5, hydrogen outlet 6 and water vapor inlet 7, quartz reactor 5 is a vertical reactor, and the middle position of quartz reactor 5 is provided with K 2 NiF 4 Structural Oxygen Permeable Membrane 4, K 2 NiF 4 The upper and lower sides of the structure oxygen permeable membrane 4 are provided with silver sealing rings 3, the upper half of the quartz reactor 5 is inserted into the reducing gas inlet pipe from the top, the lower half is inserted into the water vapor inlet pipe from the bottom, and the top of the methane inlet pipe is provided with a reducing gas inlet pipe. Inert gas inlet 1, water vapor inlet 7 at the bottom of the water vapor inlet pipe, synthesis gas outlet ...

Embodiment 2

[0029] Such as figure 2 As shown, the use of K 2 NiF 4 A device for decomposing water to produce hydrogen with structural oxygen-permeable membrane materials, including reducing gas inlet 1, synthesis gas outlet 2, silver sealing ring 3, K 2 NiF 4 Structural oxygen permeable membrane 4, quartz reactor 5, hydrogen outlet 6 and water vapor inlet 7, quartz reactor 5 is a vertical reactor, and the middle position of quartz reactor 5 is provided with K 2 NiF 4 Structural Oxygen Permeable Membrane 4, K 2 NiF 4 The upper and lower sides of the structure oxygen permeable membrane 4 are provided with silver sealing rings 3, the upper half of the quartz reactor 5 is inserted into the reducing gas inlet pipe from the top, the lower half is inserted into the water vapor inlet pipe from the bottom, and the top of the methane inlet pipe is provided with a reducing gas inlet pipe. Inert gas inlet 1, water vapor inlet 7 at the bottom of the water vapor inlet pipe, synthesis gas outlet ...

Embodiment 3

[0034] Such as figure 2 As shown, the use of K 2 NiF 4 A device for decomposing water to produce hydrogen with structural oxygen-permeable membrane materials, including reducing gas inlet 1, synthesis gas outlet 2, silver sealing ring 3, K 2 NiF 4 Structural oxygen permeable membrane 4, quartz reactor 5, hydrogen outlet 6 and water vapor inlet 7, quartz reactor 5 is a vertical reactor, and the middle position of quartz reactor 5 is provided with K 2 NiF 4 Structural Oxygen Permeable Membrane 4, K 2 NiF 4 The upper and lower sides of the structure oxygen permeable membrane 4 are provided with silver sealing rings 3, the upper half of the quartz reactor 5 is inserted into the reducing gas inlet pipe from the top, the lower half is inserted into the water vapor inlet pipe from the bottom, and the top of the methane inlet pipe is provided with a reducing gas inlet pipe. Inert gas inlet 1, water vapor inlet 7 at the bottom of the water vapor inlet pipe, synthesis gas outlet ...

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Abstract

The invention relates to a device and method for decomposing water through a K2NiF4 structure oxygen permeable film material to produce hydrogen and belongs to the technical field of energy preparation. Firstly, the K2NiF4 structure oxygen permeable film material is prepared and obtained through a coprecipitation method; the prepared K2NiF4 structure oxygen permeable film material is combined with a device (membrane reactor) for decomposing water to produce hydrogen; reduction gas CH4 (synthesis gas, coke oven gas and the like) and water vapor are introduced to the two sides (an oxidization side and a reduction side) of a membrane of the membrane reactor, temperature rising is performed, the operation of decomposing water to produce hydrogen is achieved in the process, and meanwhile produced oxygen is used for performing catalytic oxidization on reduction gas. According to the method, continuous hydrogen manufacturing can be achieved through the membrane reactor, and natural separation of products can be effectively achieved.

Description

technical field [0001] The present invention relates to a method utilizing K 2 NiF 4 The invention relates to a device and method for decomposing water to produce hydrogen by structural oxygen-permeable membrane materials, belonging to the technical field of energy preparation. Background technique [0002] Energy is an important issue facing the sustainable development of mankind. With the rapid development of the economy, the consumption of fossil energy such as oil and natural gas has increased sharply, and the fossil energy is gradually being exhausted. And the burning of fossil energy will cause serious environmental and ecological problems, such as "smog", "greenhouse effect" and so on. [0003] Considering environmental and ecological issues from the perspective of energy, hydrogen energy is an ideal way to solve energy problems. Hydrogen energy is an ideal low-pollution or zero-pollution clean and renewable energy. With the rapid development of modern industry, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/04
CPCC01B3/042Y02E60/36
Inventor 王华施从志祝星李孔斋翟康曾良鹏李宏程魏永刚曾春华郑敏
Owner KUNMING UNIV OF SCI & TECH
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