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Article
Resource Recovery from Wastewater Treatment Sludge Containing Gypsum
Proceedings of the 1984 National Waste Processing Conference
  • L.L. Smith, Hercules Incorporated
  • M.L. Fortney, Hercules Incorporated
  • C.E. Morris, Iowa State University
  • Thomas D. Wheelock, Iowa State University
  • J.A. Carrazza, United States Army and Research Development Center
Document Type
Conference Proceeding
Conference
1984 National Waste Processing Conference
Publication Version
Published Version
Publication Date
1-1-1984
Conference Title
1984 National Waste Processing Conference
Conference Date
June 3-6, 1984
Geolocation
(28.5383355, -81.37923649999999)
Abstract

The disposal of wastewater treatment sludge generated at the Radford Army Ammunition Plant (RAAP) is a serious problem. The sludge is produced by neutralizing spent acid contained in the wastewater with lime, and consists principally of very finely divided wet gypsum (calcium sulfate dihydrate). Although the sludge is presently being disposed of in a landfill, the sludge is difficult to handle and convert into a load-bearing material. Therefore an alternative method of disposal is being developed and evaluated.

The alternative method involves drying and granulating the sludge, followed by high temperature calcination in a fluidized bed reactor to recover usable sulfur dioxide and lime. If the method is adopted, these products would be used within the plant with considerable cost savings. The sulfur dioxide would be added to the feed stream of an oleum manufacturing facility and the lime would be reused in wastewater treatment.

Comments

This is a conference proceeding from Proceedings of the 1984 National Waste Processing Conference (1984): 441. Posted with permission.

Rights
Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.
Language
en
File Format
application/pdf
Citation Information
L.L. Smith, M.L. Fortney, C.E. Morris, Thomas D. Wheelock, et al.. "Resource Recovery from Wastewater Treatment Sludge Containing Gypsum" Orlando, FLProceedings of the 1984 National Waste Processing Conference (1984) p. 441 - 450
Available at: http://works.bepress.com/thomas-wheelock/39/