Natural Attenuation of Diesel Pollution in Sand Layer of Vadose Zone

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The natural attenuation process was studied by vadose zone simulating indoor to quantify the adsorption, biodegradation and volatilization of diesel oil. Through adsorption experiment, adsorption equilibrium time of diesel sewage by fine sand was 24 h, and maximum theoretical adsorbance to Total Petroleum Hydrocarbon (TPH) was calculated to 234 mg/kg. Through the contrasts of three columns, the first-order attenuation kinetics equations of biodegradation and volatilization in the diesel polluted sand layer of vadose zone and the half-life time were established. According to the experiments, absorption, biodegradation and volatilization all played important roles, they were very major roles in natural attenuation.

Info:

Periodical:

Advanced Materials Research (Volumes 179-180)

Edited by:

Garry Zhu

Pages:

174-178

DOI:

10.4028/www.scientific.net/AMR.179-180.174

Citation:

B. Wang et al., "Natural Attenuation of Diesel Pollution in Sand Layer of Vadose Zone", Advanced Materials Research, Vols. 179-180, pp. 174-178, 2011

Online since:

January 2011

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Price:

$38.00

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