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Method for performing hydrogenation on liquid-state organic hydrogen storage carrier through batch reaction kettle

A hydrogen storage carrier, intermittent technology, applied in chemical instruments and methods, hydrogen, inorganic chemistry, etc., can solve the problems of high hydrogen storage system, interruption of dehydrogenation reaction, etc., to improve the hydrogenation effect and improve the hydrogenation effect. Effect

Active Publication Date: 2015-12-09
WUHAN HYNERTECH CO LTD
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Problems solved by technology

However, the existing hydrogen storage systems based on chemical reaction methods generally have the following defects: the freezing point (melting point) of the hydrogen storage system itself is too high, and it is solid at room temperature
These condensates are easy to cover the surface of the dehydrogenation catalyst, which leads to the interruption of the dehydrogenation reaction

Method used

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  • Method for performing hydrogenation on liquid-state organic hydrogen storage carrier through batch reaction kettle
  • Method for performing hydrogenation on liquid-state organic hydrogen storage carrier through batch reaction kettle

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with specific examples.

[0021] The liquid organic hydrogen storage carrier is a hydrogen storage system that can be liquid at normal temperature and pressure, including at least two different hydrogen storage components, the hydrogen storage components are unsaturated aromatic hydrocarbons or heterocyclic unsaturated compounds, and at least One hydrogen storage component is a low melting compound having a melting point below 80°C.

[0022] Further, the hydrogen storage component is selected from heterocyclic unsaturated compounds, and the heteroatoms in the heterocyclic unsaturated compounds are one or more of N, S, O and P.

[0023] Further, the total number of heterocycles and aromatic rings in the heterocyclic unsaturated compound is 1-20, and the total number of heteroatoms is 1-20.

[0024] Further, relative to the total mass of the liquid hydrogen storage system, the mass fraction of the low m...

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Abstract

The invention discloses a method for performing catalytic hydrogenation reaction on a liquid-state organic hydrogen storage carrier through a batch high-temperature high-pressure reaction kettle. According to the method, a certain proportion of a supported metal catalyst and selected solvent are added into the batch high-temperature high-pressure reaction kettle to perform catalyst activation; then the liquid-state organic hydrogen storage carrier is added, sealing is performed, and hydrogen is injected three times in sequence to drain air inside the kettle; temperature is increased to a set hydrogenation working temperature, hydrogen is injected, stirring is performed, and hydrogen injection is stopped after reaction is performed for 2-10 h to obtain all-hydrogenated liquid-state hydrogen source materials. By the adoption of the method, the all-hydrogenated rate of the liquid-state hydrogen storage carrier ranges from 85% to 100%.

Description

technical field [0001] The invention belongs to the technical field of hydrogen storage, and in particular relates to a method for hydrogenation reaction of a liquid organic hydrogen storage carrier using a batch reactor. Background technique [0002] As a green energy with abundant reserves, wide sources and high energy density, hydrogen energy has shown good application prospects in fuel cells and replacing fossil fuels. In the actual application process, its storage and transportation are the key. It is even more critical to find efficient, low-cost and large-scale hydrogen storage methods. [0003] The existing hydrogen storage methods can be roughly divided into two types, namely physical methods and chemical methods. Typical physical methods include low-temperature liquid hydrogen storage method and high-pressure gaseous hydrogen storage method. Among them, although the low-temperature liquid hydrogen storage method has a high volumetric energy density, due to the l...

Claims

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Application Information

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IPC IPC(8): C01B3/00B01J23/46
CPCY02E60/32
Inventor 程寒松杨明汪泉周凌
Owner WUHAN HYNERTECH CO LTD
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