Plant-assisted remediation of hydrocarbons in water and soil: Application, mechanisms, challenges and opportunities

Siti Rozaimah Sheikh Abdullah, Israa Abdulwahab Al-Baldawi*, Asia Fadhile Almansoory, Ipung Fitri Purwanti, Nadya Hussin Al-Sbani, Siti Shilatul Najwa Sharuddin

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

126 Citations (Scopus)

Abstract

Due to the increasing importance of diesel and petroleum for industrial development during the last century, petrochemical effluents have significantly contributed to the pollution of aquatic and soil environments. The contamination generated by petroleum hydrocarbons can endanger not only humans but also the environment. Phytoremediation or plant-assisted remediation can be considered one of the best technologies to manage petroleum product-contaminated water and soil. The main advantages of this method are that it is environmentally-friendly, potentially cost-effective and does not require specialised equipment. The scope of this review includes a description of hydrocarbon pollutants from petrochemical industries, their toxicity impacts and methods of treatment and degradation. The major emphasis is on phytodegradation (phytotransformation) and rhizodegradation since these mechanisms are the most favourable alternatives for soil and water reclamation of hydrocarbons using tropical plants. In addressing these issues, this review also covers challenges to retrieve the environment (soil and water) from petroleum contaminations through phytoremediation, and its opportunities to remove or reduce the negative environmental impacts of petroleum contaminations and restore damaged ecosystems with sustainable ways to keep healthy life for the future.

Original languageEnglish
Article number125932
JournalChemosphere
Volume247
DOIs
Publication statusPublished - May 2020

Keywords

  • Petroleum hydrocarbons
  • Phytoremediation
  • Phytotechnology
  • Plants
  • Rhizobacteria
  • Wetlands

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