The coupled trickling filter-activated sludge process
Subtitle: design and performance
By: by Richard J. Stenquist, Denny S. Parker.
Contributors: Parker, Denny S.; Municipal Environmental Research Laboratory.
Series: Environmental protection technology series ; EPA-600/2-78-116; Research reporting series -- EPA-600/2-78-116.
Publisher: Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory; for sale by the National Technical Information Service
Published: 1978
Place of publication: Cincinnati, Ohio; Springfield, Va
Language: eng
Number of pages: 236
Subjects: Nitrification.; Sewage -- Purification -- Activated sludge process.
Notes: Contract no. 68-3-2175.

Issued July 1978.

Bibliography: p. 158-159.