نتایج جستجو برای: electrokinetic remediation
تعداد نتایج: 12939 فیلتر نتایج به سال:
Electrokinetic remediation technology is one of the developing technologies that offers great promise for the cleanup of soils contaminated with heavy metals. However, the performance of an electrokinetic remediation system depends on the interaction of a complex set of interrelated system variables and parameters. Many of these interactions were addressed in this study by incorporating geochem...
hexavalent chromium is mobile and hazardous in the environment. electrokinetic remediationof chromium (iv)-contaminated soils is intended either to remove or to reduce cr (vi) to cr (iii). this studyexamines the effectiveness of utilizing edta and acetic acid solutions as alternative electrolytes in theelectrokinetic (ek) process, with coupled nano-scale zero-valent iron (nzvi) as a barrier for...
hexavalent chromium is mobile and hazardous in the environment. electrokinetic remediationof chromium (iv)-contaminated soils is intended either to remove or to reduce cr (vi) to cr (iii). this studyexamines the effectiveness of utilizing edta and acetic acid solutions as alternative electrolytes in theelectrokinetic (ek) process, with coupled nano-scale zero-valent iron (nzvi) as a barrier for...
during the last decade, the expansion of urbanization and industrial activities caused serious environmental problems such as soil pollution. novel technologies are required to remediate soil contamination with toxic contaminants, including heavy metals and organic pollutants. in recent years, there have been increasing attempts to improve soil remediation efficiency. electrokinetic (ek) is an ...
use of electrokinetic technique for remediation of contaminated soils has recently been highly attended to, but there are still concerns regarding the effect of this process on soil microbial activity. in this study, changes in concentration of heavy metals extractable through 4n nitric acid, microbial biomass-c, and microbial coefficient, following electrokinetic remediation of a native soil c...
Overall, investigations about the utilization of electrokinetic technology alone or in combination with other processes have attracted particular attention recent years for remediation soils contaminated heavy metals and organic compounds. This fact is due to its peculiar benefits together capability operating a fine low-permeability matrix. review aimed ascertain most developments on commonly ...
This investigation was undertaken to determine the factors influencing electrokinetic remediation of soils from petroleum pollutants. The remediation method was applied in two versions: (i) static and (ii) flowing, when a sample was washed with leaching solution. It was found that all the soils studied can be purified using this technique. It was also observed that the mineral and grain-size co...
..................................................................................................................................... ix Chapter 1 : Introduction .............................................................................................................. 1 1.1 Chapter 1 References ....................................................................................................
Electrokinetically enhanced remediation is an innovative technology that has the potential to remediate hydrophobic organic compound (HOC) contamination in soils and groundwater. A surfactant/cosolvent is used to increase HOC desorption and solubilization, and an applied electric potential facilitates contaminant transport primarily by electroosmosis and/or electrophoresis. Electroosmotic flow ...
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