Method for recovering uranium oxide from uranium containing wastewater
A uranium oxide and wastewater technology, applied in chemical instruments and methods, uranium oxides/hydroxides, alkali metal oxides/hydroxides, etc., can solve the problems of low efficiency, difficult industrialization, restrictions, etc., and achieve convenient recovery , The effect of simple process flow and convenient detection
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[0030] First prepare polystyrene aldehyde-based microspheres:
[0031] (1) Mix 18 mL of isopropanol and 2.5 g of polyvinylpyrrolidone PVP dispersant, ultrasonically assist in dissolving, add to a three-neck flask equipped with a condenser, and place it in a constant temperature water bath at 70°C, mechanically stir and keep the speed is 315 r / min;
[0032] (2) Dissolve 0.1g of azobisisobutyronitrile AIBN initiator in 6mL of styrene to prepare a styrene solution in which the initiator is dissolved;
[0033] (3) Add the styrene solution in which the initiator is dissolved in (2) to the system obtained in (1), stir to make it fully mixed for 30 minutes, then add 3 mL of acrolein C 3 h 4 O, react at a constant temperature at 70 °C for 8 h, stop the reaction, and wash with ethanol and water for three times by ultrasonic centrifugation to prepare polystyrene aldehyde-based spherical emulsion, and obtain polystyrene aldehyde-based microspheres after drying.
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