Surfactant-nutrient mix-enhanced bioremediation of soil/aquifers
DOI:
https://doi.org/10.15626/Eco-Tech.2005.001Abstract
Our research involves the development of economically feasible surfactant/surfactant-nutrient
mix (SSNM) - enhanced bioremediation methodology for sustainable, in situ bioremediation
of fuel-contaminated aquifers via in vitro column-based optimization of an effective SSNM
and the study of its effect on the solubilization/mobilization and biodegradation of NAPL
(fuel) in in vitro site/aquifer-simulated bioremediation, The essence of our findings:
kerosene's maximum enhanced mobilization - f= 3,6, compared with that of deionized water,
was achieved with an SSNM having the composition of linear alkylbenzene sulfonate: cocoamphodiacetate: surfactant-nutrient X = 0, I 5: 0, I 5: 0,05 g/L, respectively; 60-64% of the
initial amount of kerosene in the "packed" saturated soil matrix, has been eluted from it
during -30 days, compared with -87% of toluene during the same time period and 68% of
kerosene biodegradation in "vessel" settings, in 21 days, In conclusion: The indigenous
microorganisms present in the vaduse zones of fuel-contaminated sandy soil aquifers are
capable of removing up to ~81 % of the initially contained kerosene in ~42 days, Optimized
SSNMs enhance both, mobilization of the balky NAPLs and the desorbtion/solubilization/
dispersion of the entrapped NAPL which, in tum, facilitate their enhanced biodegradation,
Metrics
References
Bettahar, M,, Shäfer, G,, Baviere, M, 1999, An optimized surfactant formulation for the remediation of diesel oil polluted sandy aquifers, Environ, Sci, Technol 33(3), 1269-1273, https://doi.org/10.1021/es980598z
Cheng, H., Sabatini, D.A., 2002, Simultaneous uptake of nonionic surfactants and micellar-solubilized contaminants using anion-exchange resins. Wat. Res, 36(8), 2062-2076, https://doi.org/10.1016/s0043-1354(01)00411-0
Jain, V., Demond, H., 2002, Conductivity reduction due to emulsification during surfactant enhanced-aquifer remediation. I. Emulsion transport, Environ Sci, Technol 36(24), 5426-5433, https://doi.org/10.1021/es0113955
Lesage, S,, Zoller, U., 2001, What is sustainable remediation? J Environ, Sci, Health A 36(8), vii-xiii,
Lomax, E,, 2001, Resolving property conflicts in surfactant formulations, Chim, Oggi!Chem, Today, June, 47-50,
Rubin, H, Braxein, A, Daniels, H, Rouve, G., 1994. Migration of oil and petroleum pollutants in soils and groundwater. In: Groundwater Contamination and Control, U. Zoller (ed.), Marcel Dekker, Inc, New York, pp. 355-375.
Shih, T, Rong, Y., Hannon, T., Suffet, M,, 2004, Evaluation of the impact of fuel hydrocarbons and oxygenates on groundwater resources. Environ, Sci, Technol 38(1), 42-48, https://doi.org/10.1021/es0304650
Stroo, H.F,, Unger, M., Ward, C.H., Kavanaugh, M.C., Vogel, C., Leeson, A,, Marqusee, J.A., Smith, B.P., 2003. Remediating chlorinated solvent source zones. Environ, Sci, Technol, 37(11), 224A-230A, https://doi.org/10.1021/es032488k
Zheng, Z,, Obbard, J,P,, 2002, Evaluation of an elevated non-ionic surfactant critical micelle concentration in a soil/aqueous system, Wat, Res, 36(1), 2667-2672, https://doi.org/10.1016/S0043-1354(01)00472-9
Zoller, U,, 1998, In-situ bioremediation of residual entrapped NAPL in aquifers by a biodegradable nutrient-surfactant Mix, In: Soil and aquifer pollution, H, Rubin, N, Markis and J, Carberry (eds,), Springer-Verlag, Berlin, Heidelberg, pp, 322-334,
Zoller, U,, Rubin, H,, 2001, Feasibility of in situ NAPL-contaminated aquifer bioremediation by biodegradable nutrient-surfactant mix, J Env, Sci, Health, Part A, A 36(8), 1451-1471, https://doi.org/10.1081/ESE-100105724
Zoller, U,, Reznik, A,, 2005, In-situ surfactant/surfactant/nutrient mix-enhanced bioremediation of NAPL (fuel)-contaminated sandy soil/aquifers, Environ, Sci, Poll, Res, (submitted for Publication),
Downloads
Published
Issue
Section
