Progress report Waste Resources Utilization Program period ending March 31, 1976. [Radiosterilization of sewage sludge for safe application as fertilizer or animal feed]

Technical Report · Tue Jun 01 04:00:00 EDT 1976

OSTI ID:7356533

This report describes the work on the Waste Resources Utilization Program for the quarter ending March 31, 1976. The purpose of this program is to develop technologies to utilize a /sup 137/Cs ..gamma.. source to modify sewage sludge for safe application as a fertilizer or an animal feed supplement. Results are reported from studies in microbiology, virology, and physical-chemical studies. Determinations were made of inactivation rates for Salmonella species, coliforms, and fecal strep in sewage sludge when radiation and thermoradiation were applied while bubbling oxygen through the sludge. Virology studies were continued investigating virucidal characteristics of anaerobically digested sludge. Another area of study was the dewatering of sewage sludge to reduce the drying time of the sewage sludge in the drying beds. A centrifuge was also installed to dewater treated sludge to approximately 30 percent solids. (auth)

• Research Organization: Sandia Labs., Albuquerque, N.Mex. (USA)
• DOE Contract Number: AT(29-1)-789
• OSTI ID: 7356533
• Report Number(s): SAND-76-0232
• Country of Publication: United States
• Language: English

Related Subjects

560131* -- Radiation Effects on Microorganisms-- Basic Studies-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ANIMAL FEEDS
BACTERIA
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
COLIFORMS
DEHYDRATION
FERTILIZERS
FOOD
GAMMA SOURCES
MICROORGANISMS
PROCESSING
RADIATION EFFECTS
RADIATION SOURCES
RADIOSENSITIVITY
RADIOSTERILIZATION
SALMONELLA
SEWAGE
SEWAGE SLUDGE
STERILIZATION
STREPTOCOCCUS
USES
WASTES