Computer Science
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993gecoa..57...37b&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 57, Issue 1, pp.37-46
Computer Science
Scientific paper
Galvanic corrosion in seawater produces metal hydroxides which precipitate along with several ions and submicron particles including radionuclides and bacteria. This process is the basis of a new, efficient method for the extraction of ions and particles from seawater. This technique resembles in some respects that of removal of several dissolved trace elements, e.g., Si, P, Be, Ra, Pb, Th, and U, by adsorption onto ferric hydroxides dispersed on fibers. A distinct advantage of the new galvanic couple method is higher collection efficiency. Recovery of adsorbed material from the sea water-treated redox matrices is uncomplicated. We present results of our studies of trace elements, radionuclides, and bacteria extracted from seawater using Fe/Al, Cu/Al, and Cu/Fe galvanic couples at flow rates of up to 10 liters/min through 1 liter columns. The general method described here can be used for the extraction of a suite of cations and anions as well as charged macromolecules from natural waters.
Arrhenius P.
Azam Farooque
Barg E.
Lal Devendra
Lee Taegweon
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