SEARCH Articles Figures Tables A process for recovering uranium from mine waters. The absorption column is 2.16 m dia, water flow rate is 28.5 m hr, resin transfer off the top of the absorption column is 87 L every 3 hr, inlet concentration 3-6mgU L, outlet 0.002-0.009 mg U L . [Publishers Imprint] See Also: A process for recovering uranium from mine waters. The absorption column is 2.16 m dia, water flow rate is 28.5 m hr, resin transfer off the top of the absorption column is 87 L every 3 hr, inlet concentration 3-6mgU L, outlet 0.002-0.009 mg U L .