نتایج جستجو برای: persulfate activation
تعداد نتایج: 428304 فیلتر نتایج به سال:
The desorption of hydrophobic organic compounds (HOCs) and limited mass transfer in soil systems is a significant challenge for efficient remediation by oxidation treatments. utilization sonochemistry promising technology to enhance the decontamination HOCs-polluted soils. In this work, ultrasound (US) was coupled NaOH activating persulfate (PS) real polluted with hexachlorocyclohexanes (HCHs) ...
Magnetic particles (MPs) coated with humic acid (HA) prepared under anoxic atmosphere were tested as heterogeneous photo-Fenton catalyst for the activation of hydrogen peroxide (H2O2) and persulfate (S2O82−) using Bisphenol A (BPA) a model pollutant. The role HA coating, pH value H2O2/S2O82− concentration investigated. positive contribution coating on H2O2 S2O82− was found. highest BPA degradat...
this thesis attempts to investigate the effects of prelistening activities on enhancing iranian efl learners` listening comprehension. the present study investigated ways in which learners` background knowledge could be activated in order to enhance their l2 listening comprehension by limiting the number of possible text interpretations prior to listening. the experiments conducted in this stud...
Iron-based catalysts are widely used in water treatment and environmental remediation due to their abundant content nature ability activate persulfate at room temperature. Here, eggshell biochar-loaded natural iron slag (IO@ESBC) was successfully synthesized remove tetracycline hydrochloride (TCH) by activated persulfate. The morphology, structure chemical composition of IO@ESBC were systematic...
Background and purpose: Using catalysts to enhance the efficiency of the ozonation process (known as catalytic ozonation process) has received much attention in recent years. This study aimed at examining the overall feasibility of using catalysts ozone as catalyst in ozonation process for decolorization and mineralization of a real textile wastewater in presence of persulfate. Materials and...
In the chemical industry, 1,4-diethylene dioxide, commonly called dioxane, is widely used as a solvent well stabilizing agent for chlorinated solvents. Due to its high miscibility, dioxane ubiquitous water contaminant. This study investigates effectiveness of catalyst- and ultrasound (US)-assisted persulfate (PS) activation with regard degrading dioxane. As first step, composite catalyst was pr...
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