Abstract: An apparatus for unloading bulk material from a ship floating in a body of water has a carriage displaceable horizontally adjacent the ship, a turntable on the carriage, and a generally upright column having a lower end pivoted on the turntable and an upper end. A column-moving hydraulic cylinder has one end pivoted on the column and another arm pivoted on the turntable and an arm pivoted on the upper end of the column has an outer end above the ship and is provided with a conveyor. An arm-moving hydraulic cylinder has one end pivoted on the arm and another end pivoted on the turntable. An outer vertical conveyor pivoted on the outer arm end has a lower end engaged in the material in the ship for extracting the material from the ship and delivering it to the arm conveyor. A conveyor-moving hydraulic cylinder has one end pivoted on the vertical conveyor and an opposite end pivoted on the arm. A controller is connected to all of the cylinders for actuating same to sweep the lower end along the ship.

Abstract: A process for selectively removing tetravalent and/or hexavalent uranium ions from a solution by using a chelate-forming cation exchanger. The solution may be prepared by contacting uranium bearing ore with either an acid or a dilute carbonate or bicarbonate solution. To facilitate removal of the uranium ions, the solution may have a pH value greater than 1.0 and a redox potential of from -50 to +250 mV.