A combination method to study the effects of petroleum on soil microbial activity.

Wen Wen She, Jun Yao, Fei Wang, Min Min Cai, Jing Wei Wang, Chang Shun Song

School of Civil and Environmental Engineering, National International Cooperation Base on Environment and Energy, University of Science and Technology Beijing, Beijing, 100083, People's Republic of China.

Bulletin of environmental contamination and toxicology 2013 Jan

filter terms:

TAM III multi-channel calorimetry was applied to study the effect of different concentrations petroleum on soil microbial activity and community. The microbial activities of the soil samples were recorded as power-time curves. The thermokinetic parameters such as microbial growth rate constant k, total heat evolution Q(T), metabolic enthalpy ∆H (met) and mass specific heat rate J(Q/S) were calculated. Results showed that petroleum had a certain extent effects to soil microorganisms. The results indicate that the soil microbial activity was promoted with a petroleum concentration lower than 0.52 % ± 0.24 %, but inhibited with further increase in petroleum.

Citation

Wen Wen She, Jun Yao, Fei Wang, Min Min Cai, Jing Wei Wang, Chang Shun Song. A combination method to study the effects of petroleum on soil microbial activity. Bulletin of environmental contamination and toxicology. 2013 Jan;90(1):34-8