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Adsorptivity and Kinetics for Low Concentration of Gaseous Formaldehyde on Bamboo-based Activated Carbon Loaded with Ammonium Acetate Particles by Chaomin Duan; Mianwu Meng; Huang Huang; Heng Wang; Hua Ding; Qi Zhang is a Environmental Science article available to read on EtoBox.

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The highly promising formaldehyde (HCHO)-removing materials are essential for eliminating interior pollution to safeguard the public's health with increasing indoor HCHO contamination situations being recorded on a global scale. In the paper, bamboo charcoal (BC) was activated with boric acid to prepare bamboo-based activated carbon (BAC), and then impregnated with ammonium acetate solution to successfully develop porous adsorbent with ammonium acetate particles (N/BAC), which was applied to remove low concentration of HCHO at room temperature. The adsorption performance for HCHO was systematically investigated while the surface chemical properties and microstructure of the as-prepared adsorbents were described and analyzed. The specific surface area, total pore volume and microporous volume of N/BAC sample were 240.09 m 2 /g, 0.27 cm 3 /g and 0.12 cm 3 /g, which increased by 42.40 m 2 /g, 0.15 cm 3 /g and 0.03 cm 3 /g compared with BAC sample, respectively. The specific surface area and the microporous volume, as well as the content of oxygen-and nitrogencontaining functional groups of N/BAC sample were augmented by contrast with other samples, and numerous ammonium acetate partic

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Author

Chaomin Duan; Mianwu Meng; Huang Huang; Heng Wang; Hua Ding; Qi Zhang

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Environmental Science (Physical Sciences)