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GFH Media Removes Arsenic in Arizona Water Supply
Like many communities in the desert southwest, Phoenix, Arizona’s water supply includes wells with arsenic concentrations exceeding 10 ppb. Long before the USEPA revised the arsenic rule from 50 parts per billion (ppb) to 10, the City of Phoenix began bench and pilot scale studies for arsenic removal options. Early investigations focused on well-known processes like activated alumina and ion exchange as well as less proven concepts such as coagulation-assisted microfiltration. Later, they added adsorption media technology to the study. The City considered cost as well as other factors like ease of operation, lower required operator attention and reduced waste generation. They were leaning toward iron media adsorption as their technology of choice.
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Monosep™ High-Flow Walnut Shell Filtration