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Removal of radionuclides in wastewaters utilizing potassium ferrate (VI)

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Abstract:

ABSTRACT:

Jar tests were performed to demonstrate the applicability of using potassium ferrate (VI) [K2Fe04] to treat wastewaters containing americium and plutonium. Jar test treatment of tap water spiked with americium and plutonium with potassium ferrate lowered the gross alpha activity from 3.0 × 106 pCi/L to 6 000 pCi/L. An optimum treatment pH of 11.5 to 12.0 was found. At a Department of Energy (DOE) Facility demonstration, potassium ferrate treatment lowered gross alpha activity from 37 000 pCi/L to 40 pCi/L utilizing a two-step treatment process. The tests performed demonstrated that using potassium ferrate in the aqueous treatment plant at the DOE facility instead of the current treatment chemicals would ensure treatment requirements and discharge limits are met.

Keywords: coagulation; flocculation; potassium ferrate(VI); radioactive wastewater; solid-liquid separation

Document Type: Research Article

DOI: https://doi.org/10.2175/WER.66.2.3

Publication date: 1994-03-01

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  • Water Environment Research (WER) is published monthly, including an annual Literature Review. A subscription to WER includes access to the latest content back to 1992, as well as access to fast track articles. An individual subscription is valid for 12 months from month of purchase.

    Water Environment Research (WER) publishes peer-reviewed research papers, research notes, state-of-the-art and critical reviews on original, fundamental and applied research in all scientific and technical areas related to water quality, pollution control, and management. An annual Literature Review provides a review of published books and articles on water quality topics from the previous year.

    Published as: Sewage Works Journal, 1928 - 1949; Sewage and Industrial Wastes, 1950 - 1959; Journal Water Pollution Control Federation, 1959 - Oct 1989; Research Journal Water Pollution Control Federation, Nov 1989 - 1991; Water Environment Research, 1992 - present.
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