HYDROGEN PEROXIDE UTILISATION AND BIO-STIMULATION OF PETROLEUM HYDROCARBON CONTAMINATED SOIL FROM CAPE THREE POINTS, GHANA

Masen K. Koranteng, Daniel Nukpezah, Jonathan N. Hogarh

Research output: Contribution to journalArticlepeer-review

Abstract

This study investigated the employment/use of H2O2 and bio-stimulation in crude oil clean up in coastal soil. It identified the optimal percentage concentration of H2O2, needed to oxidise petroleum hydrocarbon contamination in coastal soil from the Ahanta West District of Ghana. The potential of enhancing the soil treatment process by bio-stimulating the pre-oxidised contaminated soil using chemical fertilizer was also evaluated. Pristine coastal soil from Cape Three Points in the Western Region of Ghana was contaminated with crude oil from the TEN oil field. Treatment with different concentrations of H2O2 (at 6%, 30%, and 60%), as well as a combination of each H2O2 concentration and a chemical fertiliser as bio-stimulant was undertaken. Laboratory tests were conducted on soil samples over a 24-day period on petroleum hydrocarbon (C9-C44) levels (GC-MS), polycyclic aromatic hydrocarbon levels (GC-MS), and nutrient levels (nitrogen, phosphorus and potassium). The study found that treatment of petroleum hydrocarbon contaminated coastal soil with 30% or 60% H2O2 over a 3-day period was a very effective and timely remediation approach. The use of 6% H2O2 was also effective but required a relatively long period of time (24 days). In addition, bio-stimulating the contaminated soil pretreated with hydrogen peroxide improved the efficiency of treating the contaminated soil.

Original languageEnglish
Pages (from-to)17-28
Number of pages12
JournalJournal of the Ghana Science Association
Volume18
Issue number2
Publication statusPublished - Dec 2019

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