Rubidium ion adsorption microsphere and application thereof
A technology for adsorbing microspheres and rubidium ions, applied in the field of composite materials, can solve the problems of restricting the popularization and application of the rubidium ion exchange adsorption method, poor molding effect and mechanical properties, poor swelling resistance and mechanical properties of particles, etc. , excellent mechanical properties, good hydrophilic effect
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[0048] Example 1
[0049] A kind of rubidium ion adsorption microspheres, comprising a solution prepared according to the following mass percentages:
[0050] Polyvinyl alcohol 14%, sodium alginate 1.5%, sodium silicate 0.4%, ammonium phosphomolybdate 24.1%, water 60%.
[0051] Among them, add 14% polyvinyl alcohol to the water, heat and stir until it melts, then add 1.5% sodium alginate and 0.4% Na 2 SiO 3 , Make a mixed solution and cool it to below 50℃, add 24.1% ammonium phosphomolybdate and mix evenly;
[0052] 50% Na in 100mL 2 SO 4 Add 15g AlCl to the solution 3 (Solid) to obtain a mixed crosslinking agent solution;
[0053] Use a microcapsule granulator to drop the above-mentioned mixed solution into the mixed cross-linking agent solution to obtain yellow spherical particles with a diameter of 2-4mm, and soak in them for 24 hours, wash and dry to obtain rubidium ion Adsorb the microspheres.
Example Embodiment
[0054] Example 2
[0055] A rubidium ion adsorption microsphere, including the following mass percentages of raw materials:
[0056] Polyvinyl alcohol 10%, sodium alginate 1%, graphene oxide 1%, ammonium phosphomolybdate 45%, water 43%;
[0057] Among them, add 10% polyvinyl alcohol to the water, heat and stir until it melts, then add 1% sodium alginate and 1% graphene oxide to make a mixed solution and cool to below 50°C, add 45% ammonium phosphomolybdate to mix Evenly
[0058] Prepare 500mL 1.5% AlCl separately 3 , 500mL50%Na 2 SO 4 Obtain a crosslinking agent solution;
[0059] Use the microcapsule granulator to drop the above mixed solution into AlCl 3 In the crosslinking agent solution, yellow spherical particles with a diameter of 2-5mm are obtained, which are taken out after aging for 1 hour and then immersed in Na 2 SO 4 After cross-linking in the solution, aging for 24 hours, washing and drying, the rubidium ion adsorption microspheres are prepared.
Example Embodiment
[0060] Example 3
[0061] A rubidium ion adsorption microsphere, including the following mass percentages of raw materials:
[0062] Polyvinyl alcohol 6%, sodium alginate 0.8%, graphene oxide 1.5%, ammonium phosphomolybdate 60%, water 31.7%
[0063] Among them, add 6% polyvinyl alcohol to the water and heat and stir until it melts, then add 0.8% sodium alginate and 1.5% graphene oxide to make a mixed solution and cool to below 50°C, add 60% ammonium phosphomolybdate and mix well ;
[0064] 50% Na in 100mL 2 SO 4 Add 15g AlCl to the solution 3 (Solid) to obtain a mixed crosslinking agent solution;
[0065] Use a needle tube to drop the above mixed solution into the prepared cross-linking agent solution to obtain 1.0-2.0mm diameter yellow spherical particles, which are soaked and aged for 24 hours, washed and dried to obtain rubidium ion adsorption Microspheres.
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