Microbial Degradation of Asphalt.
Organisms of the genera Pseudomonas, Chromobacterium, and Bacillus capable of degrading asphalt were isolated by enrichment cultures. The asphalt degradation by these organisms varied from 3 to 25% after incubation for 1 week. The effects of temperature, pH, and atmosphere of incubation on asphalt degradation were investigated and were shown to vary with different organisms on the same substrate.
Phillips
U A
UA
Department of Bacteriology, University of Southwestern Louisiana, Lafayette, Louisiana.
Traxler
R W
RW