A new double-skin façade system integrated with TiO2 plates for decomposing BTEX

Li, He; Zhong, Ke; Zhai, Zhiqiang

doi:10.1016/j.buildenv.2020.107037

Cited by 11 publications

(2 citation statements)

References 39 publications

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“…The concept mentioned in the above studies is also consistent with the research concept of the present study, i.e., the full use of the airflow movement inside the double-skin façade system to realize the zero-energy control of particulate matter. The circulating ventilation volume in the double-skin façade system can reach 150~450 m 3 /h [23]. Therefore, the characteristics of high urban building density and large total area of glass curtain walls can be transformed into available resources, providing favorable conditions for the in situ purification of particulate matter in the external environment of a building.…”

Section: Introductionmentioning

confidence: 99%

Zero-Energy Purification of Ambient Particulate Matter Using a Novel Double-Skin Façade System Integrated with Porous Materials

Li,

Guo,

et al. 2024

Sustainability

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This study introduces an innovative double-skin façade system integrated with porous materials (DSF-PM) designed to combat air pollution by purifying atmospheric particulate matter without energy consumption. By evaluating three installation strategies—vertical, horizontal, and cross placement—and examining porous materials with pore sizes of 0.5 mm, 1 mm, and 2 mm through a validated computational fluid dynamics (CFD) model, we optimized the DSF-PM system for enhanced particulate matter purification. Our findings reveal that positioning the porous material on both airflow sides with a pore size of 1 mm yields the best purification performance. The seasonal performance analysis demonstrates that the DSF-PM system achieves an average annual purification efficiency of 26.24% for particles larger than 5 µm, surpassing 20% efficiency, comparable to primary filters in global standards, with zero energy input. This passive double-skin façade system, leveraging solar-driven natural convection, emerges as a sustainable solution for ambient air purification in urban environments.

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Section: Introductionmentioning

confidence: 99%

Zero-Energy Purification of Ambient Particulate Matter Using a Novel Double-Skin Façade System Integrated with Porous Materials

Li,

Guo,

et al. 2024

Sustainability

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“…The oxidative photocatalytic process using semiconductor catalysts has been attractively used to control a range of gas-phase pollutants, because it predominantly converts gas-phase pollutants to innoxious products under normal pressure and temperature environments [9][10][11][12][13][14][15]. Graphic carbon nitride (g-C 3 N 4 ), which is a popular visible-light-active semiconductor photocatalyst, exhibits numerous attractive advantages in the oxidative photocatalytic processes, such as outstanding chemical resistance, eminent electronic properties, and a exible two-dimensional morphology.…”

Section: Introductionmentioning

confidence: 99%

High-Performance 3D Semiconductor-Based Heterostructure Photocatalyst in Sustained Control of Harmful Gas-Phase Pollutants Under Visible-Light Illumination

Lee

Bae

2021

Preprint

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Herein, a highly efficient three-dimensional (3D) semiconductor-based heterostructure photocatalyst (i.e., WO3–g-C3N4 monolithic architecture; WOCNM) was developed by immobilizing a WO3–g-C3N4 heterostructure powder on a melamine foam (MF) framework. Subsequently, the sustained control of two harmful model gas-phase pollutants (i.e., n-butanol and o-xylene) over WOCNM and selected monolithic counterparts (i.e., MF-supported WO3 monolith and MF-supported g-C3N4 monolith) was investigated under visible-light irradiation. WOCNM exhibited higher photocatalytic capabilities in the sustained control of the two model pollutants than those of individual WO3 and g-C3N4 monoliths because the WO3–g-C3N4 heterojunction enhanced its charge-separation ability. Notably, WOCNM exhibited highly efficient photocatalytic capabilities in the sustained control of n-butanol (up to 97%) and o-xylene (up to 86%). Moreover, no noticeable changes were observed in the WOCNM photocatalytic capability after the final run of successive applications. The fresh and successively used WOCNMs were nearly identical, and the photocatalyst powder was not observed in the reaction chamber after its successive application. As a result, WOCNM was a highly efficient and stable 3D heterostructure photocatalyst for the sustained control of gas-phase n-butanol and o-xylene, without significant catalyst powder loss. Promisingly, this study will expedite the future development of 3D photocatalysts for the sustained control of harmful gas-phase pollutants.

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The viability of double-skin façade systems in the 21st century: A systematic review and meta-analysis of the nexus of factors affecting ventilation and thermal performance, and building integration

Pelletier

Wood

Calautit

et al. 2023

Building and Environment

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A new double-skin façade system integrated with TiO2 plates for decomposing BTEX

Cited by 11 publications

References 39 publications

Zero-Energy Purification of Ambient Particulate Matter Using a Novel Double-Skin Façade System Integrated with Porous Materials

Zero-Energy Purification of Ambient Particulate Matter Using a Novel Double-Skin Façade System Integrated with Porous Materials

High-Performance 3D Semiconductor-Based Heterostructure Photocatalyst in Sustained Control of Harmful Gas-Phase Pollutants Under Visible-Light Illumination

The viability of double-skin façade systems in the 21st century: A systematic review and meta-analysis of the nexus of factors affecting ventilation and thermal performance, and building integration

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