Selectable Microporous Carbons Derived from Poplar Wood by Three Preparation Routes for CO₂ Capture.

ABSTRACT: Biomass-derived porous carbons are one kind of sustainable, extensive, and flexible carbon material for CO₂ capture. Here, we prepared several microporous carbons from poplar wood by three preparation routes. Especially, the residues of the poplar wood after the bioethanol process were explored as precursors to prepare activated carbon by KOH and ZnCl₂ activation. By the adjustment of the preparation routes and the optimization of the activation conditions, these porous carbons exhibited diversified morphology (sponge, nanosheets, and honeycomb structure), tunable porosity (specific surface areas: 511-2153 m²/g), and narrow micropore distribution (0.55-1.2 nm). These carbons had a high CO₂ uptake of up to 217 mg/g at 273 K and 1 bar, which was co

SUBMITTER: Shao L 

PROVIDER: S-EPMC7377076 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature