Hydrogenation and deoxidization method for palladium ion type catalytic resin
A technology for catalytic resin, hydrogenation and deoxygenation, which is applied in the field of water treatment, can solve the problems of complex process and high production cost, and achieve the effects of wide temperature range, good hydraulic properties and large amount of treated water.
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Embodiment 1
[0027] Take 20 grams of PdCl 2 Dissolve in 10 liters of distilled water, stir to make it dissolve completely, then pass the palladium chloride solution through a contact tower equipped with 4 liters of strong acid cation exchange resin at a flow rate of 5m / h, Wash with water to remove Cl - and the replaced Na + , dry the resin at room temperature, and then pass hydrogen into the dried resin for 2.5 hours to reduce.
[0028] The water containing dissolved oxygen is input from the top of the packed tower equipped with Raschig rings, and the water is evenly sprayed to the entire cross-section through the liquid distribution device, and the hydrogen enters the tower from the hydrogen gas distribution device installed at the bottom of the packed tower The upper part flows, and the water sprayed from the top contacts the hydrogen gas from the bottom in reverse, and the gas-liquid mass transfer is realized on the surface of the Raschig ring, and the hydrogen gas dissolves into the ...
Embodiment 2
[0030] Take 200 grams of PdCl 2 Dissolve in 100 liters of distilled water, stir to make it dissolve completely, then pass the palladium chloride solution through a contact tower equipped with 40 liters of strong acid cation exchange resin at a flow rate of 10m / h, and then pass the solution at a flow rate of 10m / h Wash with water to remove Cl - and the replaced Na + , dry the resin at room temperature, and then pass hydrogen into the dried resin for reduction for 4 hours.
[0031] The water containing dissolved oxygen is input from the top of the packed tower equipped with Raschig rings, and the water is evenly sprayed on the entire cross-section through the liquid distribution device, and the hydrogen enters the tower from the hydrogen gas distribution device installed at the bottom of the packed tower The upper part flows, and the water sprayed from the top contacts the hydrogen gas from the bottom in reverse, and the gas-liquid mass transfer is realized on the surface of t...
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