Abstract
Plant-derived biochar is derived from biomass as a carbon source. It has a
large specific surface area, high pore capacity, adjustable surface functional groups,
and good environmental compatibility. Its raw material, plant-derived biomass, is
widely available and renewable. It is a cheap and efficient adsorbent. Most biochar
contains more than 70 percent carbon. Biochar can adsorb heavy metal ions, hormones,
and organic pollutants. It can also be used for soil improvement, carbon sequestration,
and the development of new materials with BC as the main component. In this chapter,
biochar preparation and plants’ selection are introduced. How to characterize biochar is
also discussed. In addition, biochar adsorption applications in different fields are also
introduced.
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