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YI, Z. -ji, LIAN, B., YANG, Y. -qun, & ZOU, J. -ling. (2009). Treatment of simulated wastewater from in situ leaching uranium mining by zerovalent iron and sulfate reducing bacteria. Transactions of Nonferrous Metals Society of China, 19, 840.
Abstract: Batch and column experiments were conducted to determine whether zerovalent iron (ZVI) and sulfate reducing bacteria (SRB) can function synergistically and accelerate pollutant removal. Batch experiments suggest that combining ZVI with SRB can enhance the removal of U(?) synergistically. The removal rate of U(?) in the ZVI+SRB combining system is obviously higher than the total rate of ZVI system and SRB system with a difference of 13.4% at t=2 h and 29.9% at t=4 h. Column experiments indicate that the reactor filled with both ZVI and SRB biofilms is of better performance than the SRB bioreactor in wastewater basification, desulfurization and U(?) fixation. The results imply that the ZVI+SRB permeable reactive barrier may be a promising method for treating subsurface uranium contamination.
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Leibundgut, C., Maloszewski, P., & Külls, C. (2009). Tracers in Hydrology. John Wiley & Sons, Ltd.
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Külls, C. J., & Zabori, J. (2009). On the representation of hydrological processes in current SVAT schemes-comparison and perspective. In American Geophysical Union Fall Meeting (Vol. 2009, 14).
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Robati, A., & Barani, G. A. (2009). Modeling of water surface profile in subterranean channel by differential quadrature method (DQM). Applied Mathematical Modelling, 33(3), 1295–1305.
Abstract: This study, investigates the hydraulic of flow in a subterranean channel headspring. The continuity and momentum equations of flow in porous media considering real conditions were used and the basic equation of flow in a subterranean channel was resulted. This equation is very similar to the spatially varied flow with increasing discharge. An equation, defining the hydraulic parameters of a subterranean channel section was adopted. Then differential quadrature method (DQM), was applied to the equation of flow in subterranean channel, consequently the water surface profile was resulted. To illustrate the rightness of model, the hydraulic parameters of flow in the Gavgard branch of the Joopar Goharriz Qanat were measured and the water surface profile was determined. This water surface profile was compared to the water surface profile computed by the model, which are in good agreement.
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Klaus, J., & Külls, C. (2009). Integrating residence time data in mixing cell modeling-Application to the Lower Kuiseb Dune area. In EGU Geophysical Abstracts (11026).
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