Treatment of Wastewater in Oil Fields Is Failing, Raising the Risk of Health Hazards... TC_Africa: Nigeria ClimateAction AfricaClimateEmergency
reservoirs in the Niger Delta oil fields
are in a mature stage of their productive life. This means they tend to produce less oil and more water. So they could discharge more toxic contaminants into the environment, doing more ecological harm. There are no regulatory guidelines to guarantee that an increase in produced water does not cause additional environmental and health hazards. There is also very little data available about the quality of existing produced water. Without this sort of information, it's impossible to scientifically evaluate the risks and potentially negative effects of produced water in the region. That's what prompted our research.
The comparison of the concentration with allowable discharge standards showed that produced water contained several different contaminants with varying concentrations before and after treatment as a result of inadequate treatment from the treatment facility. One worrying finding was that phenol discharge was four times greater than the globally set limit. Phenols are aromatic compounds that act as carcinogens in the human body; even at low concentrations they can damage red blood cells and the liver. They're also potentially deadly for aquatic creatures.Get the latest in African news delivered straight to your inbox
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