A cellulose acetate/: Amygdalus pedunculata shell-derived activated carbon composite monolith for phenol adsorption

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Abstract

Amygdalus pedunculata is expected to be a good candidate plant for desert reclamation ("greening") since it has notable tolerance to cold and drought and can grow in a wide range of areas with different soil types and moisture contents. In this study, we have developed a single-step method to fabricate a cellulose acetate (CA)/A. pedunculata shell (APS)-derived activated carbon (AC) composite monolith by thermally induced phase separation (TIPS) for removal of toxic phenol from aqueous solution. The composite monolith was easily fabricated by TIPS of a CA solution in the presence of the dispersed AC, in which AC was well loaded onto the monolithic skeleton of CA. The as-obtained monolith showed a maximum adsorption capacity of 45 mg g-1 at the initial phenol concentration of 0.8 mg mL-1. The present composite can be prepared with an arbitrary shape by a facile method from cheap materials, and is more convenient to recycle than powder adsorbents. Therefore, the present CA/APS-derived AC composite monolith has great potential as a promising adsorbent of low cost with convenient separation for toxic phenol-containing wastewater.

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Xiong, Q., Bai, Q., Li, C., He, Y., Shen, Y., & Uyama, H. (2018). A cellulose acetate/: Amygdalus pedunculata shell-derived activated carbon composite monolith for phenol adsorption. RSC Advances, 8(14), 7599–7605. https://doi.org/10.1039/c7ra13017a

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