Removal of heavy metals from water using biochar
Wang, Linwei (2021)
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Energy crisis and environmental degradation are two major problems facing human society. Porous carbon materials play an important role in energy storage and ecological environment management due to their developed pores, easy-to-adjustable structure and stable chemical properties. Their application performance highly depends on the choice of carbon source and the optimization of synthesis methods and conditions. Biomass is rich in organic carbon elements and has the advantages of low cost and renewable. The use of biomass as a carbon source to construct porous carbon materials conforms to the concept of green chemistry and has the prospect of large-scale industrial applications. By effectively regulating the synthesis method and process, design biochar materials with controllable pore structure and surface chemical properties and show excellent performance in application fields such as energy storage and ecological environment management, effectively realizing the harmonious coexistence of energy resources and the ecological environment. This thesis systematically reviews the purification principle of biochar materials and the impact of experimental environmental conditions, and focuses on the application of biochar in China and Finland, and is useful for the future development of low-cost, high-efficiency, high-performance biomass-based porous carbon materials prospects for the direction of exploration.