The possibility of using the remaining wastewater from biological treatment plants for the purposes of green construction and biological reclamation

Abstract

Various approaches to sewage sludge treatment are actively being implemented at municipal biological wastewater treatment facilities, including thermal utilization technologies such as pyrolysis. The biochar produced through this process is currently underutilized; however, it possesses the unique ability to absorb and effectively sequester CO2 for centuries when incorporated into soil, simultaneously enhancing soil quality and promoting sustainable land use and development. The link between biomass and biochar represents one of the most effective strategies for addressing climate challenges. This triple positive effect makes biochar and its production technologies highly promising in the context of climate policy. As a result, a distinct field known as pyrogenic carbon capture and storage is now emerging.