Journal
CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
Volume 51, Issue 20, Pages 2295-2328Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10643389.2020.1780102
Keywords
Green and sustainable remediation; clean water and sanitation; electrode material
Categories
Funding
- Hydrogen Energy Innovation Technology Development Program of the National Research Foundation of Korea (NRF) - Korean government (Ministry of Science and ICT (MSIT)) [NRF-2019M3E6A1064197]
- National Natural Science Foundations of China [21677137]
- National Science and Technology Major Projects for Water Pollution Control and Treatment [2017ZX07201004]
- Fundamental Research Funds for the Central Universities [2019FZJD007]
- National Research Foundation of Korea [4120200313708] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Hierarchical porous carbon (HPC) materials, with unique structural features, show great potential in removing organic pollutants from water due to their high affinity to hydrophobic contaminants. Further research is needed to optimize the synthesis and modification methods of HPC for enhancing their efficiency in removing aqueous organic contaminants.
Hierarchical porous carbon (HPC) materials have found advanced applications in energy storage, adsorption, and catalysis in recent years. The HPC can be synthesized from a vast range of inexpensive carbon precursors, and contain unique structural features, such as nano-scale dimension, high porosity, high surface area, and tunable pore surfaces. These materials hold immense potential for removing contaminants from water and wastewater. However, this area is severely under-explored yet. In this review, we have discussed the recent advances of synthesis, modification, and application of HPC for the removal of pollutants from water, especially focusing on organic pollutants. Owing to their intrinsic hydrophobic nature and unique interconnected porous structure, HPC demonstrates a high affinity to hydrophobic organic contaminants, which can be enhanced many folds by target-specific chemical activation. Successful high-performance removal of contaminants by pristine and modified HPC includes plastic-derived (e.g. bisphenol A), pharmaceutical (e.g. antibiotics), dye (e.g. methylene blue) and pesticide micro-pollutants. Future research is warranted to find optimal and effective HPC synthesis and modification methods for further improving their ability to remove aqueous organic contaminants as a low-cost and energy-inexpensive remediation technology.
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