Abstract:BACKGROUND AND PURPOSEThe golden age of the multiple hearth furnace (MHF) for burning sewage solids appears to have been the latter part of the 20 th century when most of the units were put into service. Can a 20 th century technology be viable for the 21 st century? The Green Bay Metropolitan Sewerage District (District) has made that commitment with the renewal of their MHFs which originally went into service in the early 1970s. The MHFs were upgraded in 2006 for improved emissions control, enhanced processi… Show more
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