Artificial photosynthesis reaction device and reaction system for enhancing catalytic performance

By activating CO2 under supercritical conditions and using a photocatalyst to promote its reaction with H2 to produce methanol, the problem of low efficiency in the existing CO2 hydrogenation to methanol process is solved, realizing a high-efficiency and low-energy-consumption CO2 to methanol conversion process, and promoting the achievement of carbon neutrality.

CN224442969UActive Publication Date: 2026-07-03BEIJING ZHAOCHUN ENTERPRISE MANAGEMENT PARTNERSHIP (LLP)
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Patent Information

Application Number
CN202520873132.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2026-07-03
Estimated Expiration
2035-04-30

AI Technical Summary

Technical Problem

In existing CO2 hydrogenation to methanol processes, the high-temperature and high-pressure catalytic reaction has low efficiency, and the CO2 activation degree in the photocatalytic method is insufficient, resulting in limited overall conversion rate.

Method used

Design an artificial photosynthesis reaction device with enhanced catalytic performance, including a pretreatment unit, a mixing and transport unit, a photocatalytic regeneration unit, and a separation unit. By activating CO2 under supercritical conditions and using a photocatalyst to promote the reaction of CO2 and H2 to produce methanol under light, the regeneration and recycling of the catalyst is achieved.

Benefits of technology

It improves catalytic reaction efficiency, reduces energy consumption, enhances process stability and resource utilization, achieves efficient CO2 conversion to methanol, reduces atmospheric CO2 concentration, and achieves carbon neutrality.

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Abstract

The utility model provides an artificial photosynthesis reaction device and reaction system capable of enhancing catalytic performance, the reaction device comprises a pretreatment unit, a mixing transmission unit, a photocatalytic regeneration unit and a separation unit, the pretreatment unit is used for activating received carbon dioxide in a supercritical state; the mixing and conveying unit is used for mixing all gas raw materials according to a preset proportion and conveying the mixed gas raw materials to the photocatalytic regeneration unit; the photocatalytic regeneration unit is used for preheating, activating and regenerating a photocatalyst and generating a chemical reaction; and the separation unit is used for separating the reacted mixture and sending the unreacted mixed gas back to the photocatalytic regeneration unit. According to the technical scheme of the utility model, through industrial treatment, the chemical inertness of carbon dioxide is reduced, the reaction energy consumption is reduced, and the catalytic reaction efficiency and the overall conversion rate of chemical reaction are improved.
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