Bioremediation strategies with biochar for polychlorinated biphenyls (PCBs)-contaminated soils: A review

Soheil Valizadeh, Sang Soo Lee, Kitae Baek, Yong Jun Choi, Byong Hun Jeon, Gwang Hoon Rhee, Kun Yi Andrew Lin, Young Kwon Park

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Polychlorinated biphenyls (PCBs) are hazardous organic contaminants threatening human health and environmental safety due to their toxicity and carcinogenicity. Biochar (BC) is an eco-friendly carbonaceous material that can extensively be utilized for the remediation of PCBs-contaminated soils. In the last decade, many studies reported that BC is beneficial for soil quality enhancement and agricultural productivity based on its physicochemical characteristics. In this review, the potential of BC application in PCBs-contaminated soils is elaborated as biological strategies (e.g., bioremediation and phytoremediation) and specific mechanisms are also comprehensively demonstrated. Further, the synergy effects of BC application on PCBs-contaminated soils are discussed, in view of eco-friendly, beneficial, and productive aspects.

Original languageEnglish
Article number111757
JournalEnvironmental research
Volume200
DOIs
StatePublished - 2021 Sep

Keywords

  • Biochar
  • Bioremediation
  • PCBs
  • Phytoremediation
  • Soil remediation

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