Humidity Effect on Diffusion and Structure of a Moisture-Swing CO2 Sorbent Article Swipe

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Xiaoyang Shi , Hang Xiao , Xi Chen , Tao Wang , Klaus S. Lackner ·

YOU? · · 2017 · Open Access · · DOI: https://doi.org/10.48550/arxiv.1702.06534

Ion hydrations are ubiquitous in natural and fundamental processes. A quantitative analysis of a novel CO2 sorbent driven by ion hydrations was presented by molecular dynamics (MD). We explored the humidity effect on the diffusion and structure of ion hydrations in CO2 sorbent, as well as the working mechanism of the moisture-swing CO2 sorbent. The discovery of the diffusion coefficients of ions at different humidity levels can be applied to design a new CO2 sorbent with superior performance. The molecular structure analysis shows a higher precipitation rate of HCO3- ions than CO32- ions in a dry surrounding, which leads to a more alkaline surrounding on CO2 sorbent that may promote the absorption of CO2.

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Radiation-Absorbent Material

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Sorbent Humidity Diffusion Ion Chemistry Moisture Inorganic chemistry Chemical engineering Materials science Physical chemistry Thermodynamics Adsorption Organic chemistry Physics Engineering

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/1702.06534
PDF: https://arxiv.org/pdf/1702.06534
OA Status: green
Cited By: 1
Related Works: 10
OpenAlex ID: https://openalex.org/W2590107026

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DOI: https://doi.org/10.48550/arxiv.1702.06534

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Title: Humidity Effect on Diffusion and Structure of a Moisture-Swing CO2 Sorbent

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Type: preprint

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Language: en

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Publication year: 2017

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Publication date: 2017-02-21

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Authors: Xiaoyang Shi, Hang Xiao, Xi Chen, Tao Wang, Klaus S. Lackner

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Landing page: https://arxiv.org/abs/1702.06534

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PDF URL: https://arxiv.org/pdf/1702.06534

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Concepts: Sorbent, Humidity, Diffusion, Ion, Chemistry, Moisture, Inorganic chemistry, Chemical engineering, Materials science, Physical chemistry, Thermodynamics, Adsorption, Organic chemistry, Physics, Engineering

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Cited by: 1

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Related works (count): 10

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