Removal of Hydrophobic Contaminants from the Soil by Adsorption onto Carbon Materials and Microbial Degradation

Shippi Dewangan, Amarpreet K. Bhatia, Ajaya Kumar Singh, Sonia A. C. Carabineiro

Research output: Contribution to journalArticlepeer-review

Abstract

The pollution of soil is a worldwide concern as it has harmful consequences on the environment and human health. With the continuous expansion of industry and agriculture, the content of hydrophobic organic pollutants in the soil has been increasing, which has caused serious pollution to the soil. The removal of hydrophobic organic contaminants from soil, aiming to recover environmental safety, is an urgent matter to guarantee sufficient food and water for populations. Adsorption has proven to be an effective and economically practicable method for removing organic contaminants. This paper summarizes the use of low-cost adsorbents, such as biochar and activated carbon, for removing hydrophobic organic contaminants from soil. Biochar is usually appropriate for the adsorption of organic contaminants via the adsorption mechanisms of electrostatic interaction, precipitation, and ion exchange. Biochar also has numerous benefits, such as being obtained from several kinds of raw materials, having low costs, recyclability, and potential for environmental treatment. This paper illustrates biochar's adsorption mechanism for organic contaminants and discusses the microbial degradation of hydrophobic organic contaminants.
Original languageEnglish
Article number83
JournalC-JOURNAL OF CARBON RESEARCH
Volume7
Issue number4
DOIs
Publication statusPublished - Dec 2021

Keywords

  • soil pollution
  • hydrophobic organic contaminants
  • adsorption
  • biochar
  • activated carbon
  • microbial degradation

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