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Reuse and Subsurface Injection of Municipal Sewage Effluent. Two Case Histories.

Donaldson EC; Bayazeed AF
MISSING :20 pages
Bureau of Mines engineers examined the chemical and biological treatment of sewage water designed in one case for reuse and in another for subsurface injection. In the first case discussed, approximately 6 million gallons per day of sewage are treated by the activated sludge process followed by Tertiary treatment that includes ion exchange. The renovated water is used in the industrial complex. Liquid industrial waste is sent to a waste disposal facility where it is treated for injection into a deep subsurface formation. In the second case, a community of 3,000 people is using a lagoon sewage treatment system, followed by subsurface injection of the treated effluent. Subsurface disposal is used to avoid growth of algae and weeds in a nearby lake to which the treated effluent was originally discharged. The renovation of municipal water for reuse provides a source of water for industries in a semi-arid region and may also provide a source for domestic use in densely populated regions where domestic water requirements have priority over industry needs. In addition, both waste treatment systems provide examples of the use of subsurface waste disposal to avoid pollution of surface streams. (Out of print.)
Publication Date
Document Type
IH; Information Circular;
Fiscal Year
Identifying No.
IC 8522
NIOSH Division
Source Name
Page last reviewed: December 10, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division