Mechanically Coherent Zeolite 13X/Chitosan Aerogel Beads for Effective CO₂ Capture.

ABSTRACT: The constant increase of CO₂ concentration in the atmosphere is recognized worldwide to severely impact the environment and human health. Zeolites possess a high adsorption capacity for CO₂ removal, but their powdery form prevents their use in many practical applications. When binding agents are used, a partial occlusion of the porosity can severely compromise the adsorption capacity. In this regard, a great challenge is producing compact composite adsorbents while maintaining a high specific surface area to preserve the pristine performance of zeolites. Here, this goal was achieved by preparing beads with a high content of zeolite 13X (up to 90 wt %) using a chitosan aerogel as the binding agent. A facile preparation procedure based on the freeze-drying of hydrogel b

SUBMITTER: Luzzi E 

PROVIDER: S-EPMC8289193 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature