From the soil, different microorganisms were isolated after enrichment growth on the following medium: NH,NO, O.lyo, K,HPO, 0.025%, MgSO, .7H,O 0.025%, FeSO, a 7 H,O 0.0001 yo, cholesterol 0.1 yo, distilled water 100 ml. 10 g of soil were added to 190 ml of this sterilized medium. The cholesterol wa
Microbial degradation of asphalt
β Scribed by R. W. Traxler
- Publisher
- John Wiley and Sons
- Year
- 1962
- Tongue
- English
- Weight
- 308 KB
- Volume
- 4
- Category
- Article
- ISSN
- 0006-3592
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β¦ Synopsis
Abstract
It would appear from these data that indeed asphalt degradation by bacteria does occur and can be rather rapid under laboratory conditions. The types of bacteria capable of degrading asphalt are diverse. The effects of temperature, pH, and oxygen tension on asphalt degradation are important but not always critical. The optimum conditions vary for different organisms. There are differences in the mechanisms of asphalt assimilation and degradation. There is a specificity of action by different bacteria which most likely involves the chemical components of the asphalts and the enzymatic action of the microorganism.
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