Biochar Used as Low-Cost Adsorbent for Aqueous Heavy Metal Removal: A Review Paper
Keywords:
Black Carbon, Charcoal, Trace Element, Pyrogenic Carbon, and WastewaterAbstract
Biochar may be utilized as a reduced adsorption for wastewater treatment, especially in the treatment of heavy metals in sewage. A number of studies have shown that biochar may effectively remove heavy metals from water and, in certain instances, that biochar’s are superior to activated carbons. The adsorption ability of biochars is influenced by a number of variables, one of which is the feedstock materials. To determine the complete adsorption behavior of toxic substances on charcoal adsorbent materials, this review integrates current research. Heavy metal may be removed by a variety of processes, including Depending on the soil type, oxidation / reduction, conceptual sorption, precipitating, and positive ions occur. To fully understand how successful biochar is in iron removal and to stimulate the use of pyrolysis in treating wastewater, stochastic sorption algorithms may be utilized.
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