950 resultados para Sewage purification
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A process has been developed for the removal of chromium, copper, iron, manganese, nickel, lead, tin, and zinc impurities from an acid aqueous solution of americium chloride using a mercury cathode cell operating at 5-10 amperes and 16-18 volts. The americium is not affected. The process may also be used to remove other impurity elements.
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"Contract AT (29-1)-1106."
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Mode of access: Internet.
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"A-13*"
Hydrologic effects of storing liquified sewage sludge on strip-mined land, Fulton County, Illinois /
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Prepared by information specialists at NTIS; Edward J. Lehmann, editor.
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"No. 24."
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