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- W4281782858 abstract "Abstract The emission of air pollutants from various industries is a major contributor to environmental pollution. The removal of these pollutants before they are discharged into the environment has become an important means of controlling air pollution. Biochar has attracted increasing attention because of its low cost, high porosity, large specific surface area, abundant surface functional groups, and high removal capacity. The physicochemical properties of biochar are greatly affected by feedstock types, preparation, and modification conditions. For this reason, the capacity and propensity of biochar for removing air pollutants are rather variable. To understand the existing research status and grasp the latest research progress, a systematic review on the removal of different air pollutants by biochar is highly needed. Based on the recent research, this paper systematically analyzes and summarizes the preparation and modification methods of biochar commonly used for the removal of six air pollutants (SO 2 , H 2 S, CO 2 , Hg 0 , VOCs, and NH 3 ), as well as the removal performance and mechanisms. Then, the potential influencing factors (preparation parameters, physicochemical characteristics of biochar, and removal conditions) are discussed. Finally, the regeneration of biochar, suggestions, and future perspectives are proposed. Graphical Abstract" @default.
- W4281782858 created "2022-06-13" @default.
- W4281782858 creator A5004662248 @default.
- W4281782858 creator A5005682554 @default.
- W4281782858 creator A5018041880 @default.
- W4281782858 creator A5034650553 @default.
- W4281782858 creator A5039896971 @default.
- W4281782858 creator A5068586571 @default.
- W4281782858 creator A5080954793 @default.
- W4281782858 date "2022-05-30" @default.
- W4281782858 modified "2023-10-11" @default.
- W4281782858 title "Removal performance, mechanisms, and influencing factors of biochar for air pollutants: a critical review" @default.
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