Number | Name | Date | Kind |
---|---|---|---|
1250063 | Westling et al. | Dec 1917 | |
3268443 | Cann | Aug 1966 | |
3347786 | Baer et al. | Oct 1967 | |
3575853 | Gaughan et al. | Apr 1971 | |
3725266 | Haviland | Apr 1973 | |
4036941 | Boyles et al. | Jul 1977 |
Entry |
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Giannini et al., "Removal of Heavy Metals From Mining Tailings Wastewater By Electrocoagulation", presented at 3rd Annual Conference, New Advances in Liquid-Solid Separation, Separ/Expo III at Cherry Hill, N.J., Oct. 12, 1977. |