Biochar is produced as a charred material with high surface area and abundant functional groups by pyrolysis, which refers to the process of thermochemical decomposition of organic material at elev...

Multifunctional applications of biochar beyond carbon storage

A critical review on arsenic removal from water using biochar-based sorbents: The significance of modification and redox reactions

Iron-modified biochar and water management regime-induced changes in plant growth, enzyme activities, and phytoavailability of arsenic, cadmium and lead in a paddy soil.

Nano-zerovalent manganese/biochar composite for the adsorptive and oxidative removal of Congo-red dye from aqueous solutions.

Abstract The chemical regeneration process has been extensively applied to reactivate biochar, supporting its reusability and leading to significant operating cost reduction. However, no recent review discusses the effectiveness of biochar chemical regeneration. Thus, this article comprehensively reviews the chemical regeneration of biochar contaminated with organic and inorganic pollutants. Performance of the chemical regeneration depends on adsorption mechanism, functional groups, adsorbent pore structure, and changes in active adsorbent sites. Secondary contamination is one of the challenges facing the sustainable adaptation of the chemical regeneration process in the industry. The paper discusses these challenges and draws a roadmap for future research to support sustainable wastewater treatment by biochar. 

https://www.nature.com/articles/s41545-022-00172-3.pdf

A comprehensive review on the chemical regeneration of biochar adsorbent for sustainable wastewater treatment

Arsenic Removal from Water Using Biochar-Based Sorbents : Production, Characterization, and Sequestration Mechanisms

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A critical review on arsenic removal from water using biochar-based sorbents: The significance of modification and redox reactions

Arsenic Removal from Water Using Biochar-Based Sorbents : Production, Characterization, and Sequestration Mechanisms