Automatic sludge blanket control in an operating gravity thickener
By: by R. C. Polta and D. A. Stulc.
Contributors: Stulc, D. A.; Municipal Environmental Research Laboratory.; Metropolitan Waste Control Commission, St. Paul, Minn.
Series: Environmental protection technology series ; EPA-600/2-79-159; Research reporting series -- EPA-600/2-79-159.
Publisher: Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory; for sale by the National Technical Information Service
Published: 1979
Place of publication: Cincinnati, Ohio; Springfield, Va
Language: eng
Number of pages: 77
Subjects: Sewage disposal -- Minnesota.
Notes: Prepared by Metropolitan Waste Control Commission, under grant no. S803602.

Issued Nov. 1979.

Bibliography: p. 65.