Conversion of solid wastes and natural biomass for deciphering the valorization of biochar in pollution abatement: A review on the thermo-chemical processes

Chemosphere. 2023 Oct:339:139760. doi: 10.1016/j.chemosphere.2023.139760. Epub 2023 Aug 10.

Abstract

This overview addresses the formation of solid trash and the various forms of waste from a variety of industries, which environmentalists have embraced. The paper investigates the negative effects on the environment caused by unsustainable management of municipal solid trash as well as the opportunities presented by the formal system. This examination looks at the origins of solid waste as well as the typical treatment methods. Pyrolysis methods, feedstock pyrolysis, and lignocellulosic biomass pyrolysis were highlighted. Explain in detail the various thermochemical processes that take place during the pyrolysis of biomass. Due to its carbon content, low cost, accessibility, ubiquitousness, renewable nature, and environmental friendliness, biomass waste is a unique biochar precursor. This study looks at the different types of biomass waste that are available for treating wastewater. This study discussed a wide variety of reactors. Adsorption is the standard method that is used the most frequently to remove hazardous organic, dye, and inorganic pollutants from wastewater. These pollutants cause damage to the environment and water supplies, thus it is important to remove them. Adsorption is both simple and inexpensive to utilize. Temperature-dependent conversions explain the kinetic theories of biomaterial biochemical degradation. This article presents a review that explains how pyrolytic breakdown char materials can be used to reduce pollution and improve environmental management.

Keywords: Biochar; Pyrolysis; Remediation; Solid wastes; Thermo-chemical; Valorization.

Publication types

  • Review

MeSH terms

  • Biomass
  • Charcoal / chemistry
  • Environmental Pollutants*
  • Pyrolysis
  • Solid Waste*
  • Wastewater

Substances

  • biochar
  • Solid Waste
  • Wastewater
  • Charcoal
  • Environmental Pollutants