Boron-containing radioactive waste liquid treatment device and method
A radioactive waste liquid and radionuclide technology, which is applied in the field of boron-containing radioactive waste liquid treatment devices, can solve the problems of boric acid waste, low solubility, and increase the burden of storing radioactive solid waste, and achieve the effect of recycling
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[0064] Example 1
[0065] The boron-containing radioactive waste liquid treatment device used in this embodiment and image 3 The difference in the device shown is that there is no activated carbon filter 101 and security filter 202, and other components are image 3 The devices shown are the same. The reverse osmosis equipment 200 is a series of three reverse osmosis membrane modules. Each reverse osmosis membrane module is equipped with a Dow LE reverse osmosis membrane element. The Dow LE reverse osmosis membrane is 2+ The rejection rates of silicon dioxide and boric acid are 98%, 99.5% and 40% respectively. The equipment, components, and materials used in the device are shown in the following table:
[0066]
[0067] The boron-containing radioactive waste liquid processed in this embodiment is simulated radioactive waste water, which contains Co 2+ 2000μg / L, boric acid 2000mg / L, silicon dioxide 2mg / L.
[0068] The design capacity of the boron-containing radioactive waste liquid ...
Example Embodiment
[0074] Example 2
[0075] The boron-containing radioactive waste treatment device used in this example is basically the same as that used in Example 1. The difference is that a Dow BW30 reverse osmosis membrane element is provided in the reverse osmosis membrane module, and the Dow BW30 reverse osmosis membrane element is 2+ The rejection rates of silicon dioxide and boric acid are 93%, 99% and 60% respectively. The equipment, components, and materials used in the device are shown in the following table:
[0076]
[0077]
[0078] The boron-containing radioactive waste liquid processed in this embodiment is simulated radioactive waste water, which contains Co 2+ 2000μg / L, boric acid 2000mg / L, silicon dioxide 2mg / L.
[0079] The design capacity of the boron-containing radioactive waste liquid treatment device is 1m 3 / h.
[0080] The operating pressure of the high-pressure pump 203 is 3 MPa, and the simulated radioactive waste water is sent to the reverse osmosis equipment 200 through ...
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