Wastewater treatment plants ‘produce’ a cleaned water stream and a dewatered sewage sludge product. To dispose of the sludge, many wastewater treatment facilities employ a sewage sludge incinerator (SSI). The types of SSIs used at wastewater treatment facilities include fluidized bed incinerators and multiple hearth furnaces. USEPA regulates air pollutant emissions from SSIs at wastewater […]
