Mercury behaviour in flue gas from sewage sludge incinerators and melting furnace

Water Science and Technology : a Journal of the International Association on Water Pollution Research
Masaki TakaokaKoji Tanida

Abstract

Thermal conversion of sewage sludge can be a clean source of renewable energy if the emission of air pollutants from the source is controlled. In 2013, the Minamata Convention on Mercury was adopted, placing greater emphasis on the control of mercury emissions, including mercury emissions from sewage sludge incinerators. To characterise the behaviour of mercury in flue gas, particulate and gaseous mercury concentrations in two incinerators and a melting furnace were measured by manual sampling. In a third facility, continuous emission monitoring was used to characterise temporal trends in gaseous mercury concentrations. Wet scrubbers were determined to be effective air pollution control devices suitable for mercury removal. Stack mercury concentrations were found to be <10 μg/Nm3, which meets the mercury emission standard for existing plants (50 μg/Nm3).

References

Jul 26, 2006·Water Science and Technology : a Journal of the International Association on Water Pollution Research·M OzakiY Suzuki
Sep 25, 2007·The Science of the Total Environment·Steven J Balogh, Yabing H Nollet
Aug 9, 2013·Journal of Environmental Sciences (China)·Jianguo JiangChang Zhang

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Citations

Aug 23, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Kari Fitzmorris Brisolara, John Bourgeois

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