Biochar as an Eco-Addition in Wastewater and Wastewater Sludge Treatment Processes in Non-Urbanized Areas

Abstract

Especially in non-urbanized areas there is a need to use various waste products, e.g. from agriculture, households, etc. New products that are created in a simple way should be able to be used many times without the use of complicated and expensive technology.
 This article presents the potential of biochar used in wastewater treatment processes and sludge management in small installations - for the maximum maintained number of users equal to 50. The possibilities of two substances used in sewage management processes, such as char and biochar will be presented. These substances, produced from pyrolysis, are stable carbon-rich compounds which have various beneficial applications like soil conditioning, remediation and wastewater treatment. In particular, biochar originating from wastewater sludge pyrolysis, possible to be generated at the place of formation, was taken into account. In addition, ways to increase the reliability of the treatment plant with biochar based filters are described.

Current trends and future directions of global research on wastewater to energy: a bibliometric analysis and review

“…Research shows that biochar can significantly enhance the methane production rate (Wang et al 2020 ). Biochar can also be applied as filters to replace mineral filters for the removal of pharmaceutically active compounds from wastewater (Jakub et al 2019 ). It is particularly effective for onsite household wastewater treatment to treat wastewater that also contains pharmaceuticals and heavy metals.…”