Direct air capture adsorbent system
By using functionalized CO2 adsorbent particles and membrane structure housing units in the air capture system, the problem of low CO2 capture efficiency in ambient air is solved, achieving stable and efficient CO2 capture and reducing the risk of wear and blockage.
CN122076191APending Publication Date: 2026-05-26ROBERT BOSCH GMBH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ROBERT BOSCH GMBH
- Filing Date
- 2025-11-26
- Publication Date
- 2026-05-26
AI Technical Summary
Technical Problem
Existing technologies are ineffective at capturing carbon dioxide from ambient air, especially at the source of emissions from automobiles and airplanes. Furthermore, traditional adsorbent formulations suffer from wear, clogging, and low efficiency.
Method used
Functionalized CO2 adsorbent particles are filled into spherical and/or ellipsoidal shell units, combined with air-impermeable and air-permeable materials to form a membrane structure, ensuring the stability and efficient flowability of the adsorbent, and capturing CO2 by combining chemical and physical adsorption.
Benefits of technology
It achieves efficient and stable capture of CO2 from ambient air, reduces the risk of wear and clogging, and improves the service life and capture efficiency of the adsorbent.
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Smart Images
Figure CN122076191A_ABST
Abstract
A direct air capture CO2 system includes a CO2 extraction reactor having a chamber defined by a wall; an air inlet formed in the wall; an air outlet formed in the wall; and shell units defining an internal volume arranged in the chamber, at least some of the shell units having a spherical and / or ellipsoidal shape, each internal volume being at least partially filled with functionalized CO2 adsorbent particles.
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