Journal
ENVIRONMENTAL RESEARCH
Volume 224, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2023.115533
Keywords
Biomass; Bamboo; Adsorption; Biochar; Carbon-based materials
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This review summarizes recent findings on the application of bamboo-based adsorbents in the removal of organic, inorganic, or gaseous pollutants. It discusses the preparation methods, surface modification methodologies, and effects on the adsorbent properties. The review also evaluates the adsorption capacities, mechanisms, and models for heavy metals, organics, and gaseous substances by bamboo-based adsorbents, and proposes directions for future research.
The bamboo family of plants is one of the fastest-growing species in the world. As such, there is an abundance of bamboo residues available for exploitation, especially in southeast Asian, central African and south American regions. The preparation of efficient adsorbents from bamboo residues is an emerging exploitation pathway. Biochars, activated carbons or raw bamboo fibers embedded with nanoparticles, each class of materials has been shown to be highly efficient in adsorption processes. This review aims to summarize recent findings in the application of bamboo-based adsorbents in the removal of organic, inorganic, or gaseous pollutants. Therefore, this review first discusses the preparation methods and surface modification methodologies and their effects on the adsorbent elemental content and other basic properties. The following sections assess the recent progress in the adsorption of heavy metals, organics, and gaseous substances by bamboo-based adsorbents, focusing on the optimum adsorption capacities, adsorption mechanisms and the optimum-fitting kinetic models and isotherms. Finally, research gaps were identified and directions for future research are proposed.
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