Matches in SemOpenAlex for { <https://semopenalex.org/work/W2898397737> ?p ?o ?g. }
- W2898397737 abstract "Groundwater contamination is expensive to remediate, primarily because of the treatment time required. Increased treatment time can be caused by several contributing factors, such as sequestration in low-permeability regions of an aquifer, which can cause tailing and rebound phenomena. One such region consists of dead-end pores. Once a contaminant enters the dead-end pores, it remains in an eddy and only moves back into well-connected pores, from which it can be advected away, by molecular diffusion. A previous study with computational fluid dynamics suggested that rapidly pulsed flow demonstrated the potential to accelerate contaminant removal from dead-end pores. Here, we tested the recovery of a dissolved contaminant under steady and rapidly pulsed flow from a porous media column with crushed glass, which should have naturally formed dead-end pores. This test simulated the fluid dynamics in a flow constrained by a column without sorption; therefore, this tested the dynamics in the dead-end pores but did not include the complete dynamics of a remediation scheme. The results showed accelerated removal under rapidly pulsed flow, which is consistent with results from the computational model; however, there may be additional or alternative sources of the sequestered contaminant." @default.
- W2898397737 created "2018-11-02" @default.
- W2898397737 creator A5034716112 @default.
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- W2898397737 date "2019-01-01" @default.
- W2898397737 modified "2023-10-16" @default.
- W2898397737 title "Acceleration of Groundwater Remediation by Rapidly Pulsed Pumping: Laboratory Column Tests" @default.
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- W2898397737 doi "https://doi.org/10.1061/(asce)ee.1943-7870.0001479" @default.
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