Device and method for producing hydrogen by photocatalytic decomposition of water through wastewater recycling

By using the reaction between water vapor and catalyst in the photocatalytic decomposition aquatic hydrogen plant, the problems of waste of water resources and high water quality requirements in the prior art are solved, and efficient and applicable wastewater resource treatment is achieved, which is suitable for a variety of water sources.

CN119215822APending Publication Date: 2024-12-31NANKAI UNIV
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Patent Information

Application Number
CN202411333737.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2024-12-31

AI Technical Summary

Technical Problem

The existing photocatalytic decomposition of aquatic hydrogen technology wastes water resources and has high requirements for water quality, so it is impossible to effectively utilize low-priced seawater, lake water and other water sources.

Method used

A photocatalytic decomposition of aquatic hydrogen production device for wastewater resource is designed, including a reactor, a reaction substrate and an environmental controller. By hanging a reaction substrate coated with a catalyst in the reactor and a transparent panel, the reaction between water vapor and catalyst is utilized. , control humidity conditions to achieve hydrogen generation, avoiding water quality requirements and waste of water resources.

Benefits of technology

It realizes efficient decomposition of aquatic hydrogen from multiple water sources without wasting water resources, which improves the efficiency and applicability of photocatalytic decomposition of aquatic hydrogen. It is suitable for a variety of water sources, saves water consumption, and improves the device's Practicality and applicability.

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Abstract

The invention provides a device and a method for producing hydrogen through photocatalytic decomposition of water in wastewater recycling, and the device is provided with a reactor for accommodating water, a reaction substrate for coating a catalyst, and an environment controller communicated with the interior of the reactor for controlling the interior of the reactor to reach a corresponding humidity condition. Furthermore, water vapor in the reactor and a catalyst on the reaction substrate are subjected to a chemical reaction under the catalytic action of light irradiated into the reactor through the transparent panel to generate hydrogen, a sacrificial reagent does not need to be added into water in the process, water resources are not wasted, and the catalyst reacts with the water vapor in the air, so that the hydrogen production efficiency is improved. The device has no requirement on the water quality of water stored in the reactor, is suitable for various water sources, and is improved in applicability and practicability.
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