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HEXAVALENT CHROMIUM TREATMENT TECHNOLOGIES
Korak, J., A. Kennedy, and M. Arias-Paic.
U.S. Department of the Interior, Bureau of Reclamation, Research and Development Office, Final Report ST-2018-9085-01, 105 pp, 2018
The Bureau of Reclamation partnered with two water districts, one in California and one in Oklahoma, to improve treatment process efficiency and reduce the cost for Cr(VI) removal in groundwater used as drinking water, with a treatment goal of 10 µg/L. In California, a pilot-scale strong-base ion exchange (SBA) process was installed at one of the system points of entry. Columns with SBA resin were loaded until exhausted for Cr and then were returned to the Bureau for regeneration and waste minimization process development. A pilot-scale study of stannous chloride reduction-coagulation-filtration was conducted at two wells in California and one well in Oklahoma. All results from this project were published in peer-reviewed journals, and each of the three chapters is a stand-alone study and a reprint of the published article.https://www.usbr.gov/research/projects/download_product.cfm?id=2746
U.S. Department of the Interior, Bureau of Reclamation, Research and Development Office, Final Report ST-2018-9085-01, 105 pp, 2018
The Bureau of Reclamation partnered with two water districts, one in California and one in Oklahoma, to improve treatment process efficiency and reduce the cost for Cr(VI) removal in groundwater used as drinking water, with a treatment goal of 10 µg/L. In California, a pilot-scale strong-base ion exchange (SBA) process was installed at one of the system points of entry. Columns with SBA resin were loaded until exhausted for Cr and then were returned to the Bureau for regeneration and waste minimization process development. A pilot-scale study of stannous chloride reduction-coagulation-filtration was conducted at two wells in California and one well in Oklahoma. All results from this project were published in peer-reviewed journals, and each of the three chapters is a stand-alone study and a reprint of the published article.https://www.usbr.gov/research/projects/download_product.cfm?id=2746
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