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Field column studies and laboratory batch experiments were conducted in order to assess the performance of zero-valent iron in removing arsenic from geothermal waters in agricultural regions where phosphates and nitrates were present. A field pilot study demonstrated that iron filings could remove arsenic, phosphate and nitrate from water. In addition, batch studies were performed to evaluate the...
New membranes containing a few micrograms of various complexing reagents in a Nafion matrix were produced on the surface of quartz glasses (reflectors). The reflectors were immersed in standard water solutions containing various, very low concentrations of lead salts (150ngmL1). The reflectors were left in 5500mL solutions for many hours; when the equilibration stage was complete, they were cleaned...
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