Review of synthetic methods for magnetic biochar and its adsorption mechanism for heavy metals
Magnetic biochar(MBC)has garnered considerable research attention due to its magnetic separation capabilities and wide range of applications.The properties of MBC,such as carbon-based structural characteristics(e.g.,morphology,specific surface area,functional groups,etc.),as well as the morphology and properties of iron oxide within MBC,are influenced by various factors including raw material source,pyrolysis temperature,and synthesis methods.However,further investigation is needed to establish the relationship between MBC properties and synthesis conditions,as well as to understand the mechanism of heavy metal adsorption by MBC.This study aims to describe the impact of synthesis conditions on the characteristics of MBC and its adsorption mechanism for heavy metals.Moreover,scientific questions pertaining to heavy metal adsorption by MBC are raised,which will contribute to a better understanding of MBC persistence.
magnetic biocharsynthesis conditioniron oxideheavy metaladsorption
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