Adsorbent capable of separating heating element cesium and strontium at the same time and its preparation method and application
A simultaneous separation and adsorbent technology, applied in the direction of chemical instruments and methods, non-metallic elements, and other chemical processes, to achieve the effects of increased desorption rate, sufficient safety, and high adsorption capacity
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[0048] Example 1 Preparation of adsorbent
[0049] Dissolve 100 grams of Calix[4]arene with structural formula (II) and 48 grams of 4,4',-bis(tert-butylcyclohexyl)-18-crown-6 in 1000mL of dichloromethane, mix well; add 300 grams Macroporous SiO coated polymer 2 (SiO 2 -P) Stir evenly to evaporate most of the dichloromethane until the material is nearly dry, and then dry the material in the nearly dry state under vacuum at 45°C for 24 hours. (1∶2)
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[0050] Example 2 Preparation of adsorbent
[0051] Dissolve 100 grams of Calix[4]arene with structural formula (II) and 24 grams of 4,5′,-bis(ter-butylcyclohexyl)-18-crown-6 in 1500mL of dichloromethane, mix well; add 600 grams Macroporous SiO coated polymer 2 (SiO 2 -P) Stir evenly to evaporate most of the dichloromethane until the material is nearly dry, and then dry the material in the nearly dry state under vacuum at 45°C for 24 hours.
Example Embodiment
[0052] Example 3 Preparation of adsorbent
[0053] Dissolve 100 grams of Calix[4]arene with structural formula (II) and 100 grams of 4,4',-bis(tert-butylcyclohexyl)-18-crown-6 in 3000mL of dichloromethane, mix well; add 1500 grams Macroporous SiO coated polymer 2 (SiO 2 -P) Stir evenly to evaporate most of the dichloromethane until the material is nearly dry, and then dry the material in the nearly dry state under vacuum at 45°C for 24 hours.
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