Preparation method of metal ferricyanide adsorbent particles for liquid rubidium and cesium resource extraction
A technology of adsorbent and metal iron, which is applied in the direction of alkali metal compounds, alkali metal oxides/hydroxides, chemical instruments and methods, etc., can solve the problems of poor water absorption of polyacrylonitrile matrix, reduction of adsorbent adsorption capacity, and complicated preparation process and other problems, to achieve the effect of good water permeability, fast adsorption process and simple preparation process
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Embodiment 1
[0071] A metal feridanide adsorbent particles extracted for liquid 铷 铷 铷 资 附:: 方式:
[0072] In the first step, a polyvinyl alcohol having an alcohol is dissolved in water, and 10% by weight of the aqueous solution of polyvinyl alcohol is prepared.
[0073]In the second step, the polythyl alcohol aqueous solution and the Prussian blue adaptive powder are mixed in mass than 5: 1 ratio, and the three-roll mill is mixed and uniform.
[0074] In the third step, a quantity of the first crosslinking agent solution is added in the mixture obtained in step 2, wherein the mixture is from 1: 3, and the composition of the first crosslinking agent is comprised. 3 wt% boric acid, 1 wt% boron sand, 1 wt% aluminum chloride, 1 wt% calcium chloride, after mechanical agitation, forming a coagulation crosslink product.
[0075] In the fourth step, the granulation of the coagulation cross-linking product of the third step is extruded, the particle size is 2 mm, and drying, the drying temperature is 60...
Embodiment 1
[0079] Example 1 Prussian blue adsorbent particles, finished particle adsorbent content 66.7% (after deduction of moisture), water content 45.6%, Shao A hardness 70. It can be used in the adsorption of 铷 铷 铷 铷 铷 附 附 附 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用 使用
[0080] figure 2 It is a SEM diagram of the Pusher Blue Adaptive Particle Facing Safety, which is prepared by Example 1. The scanning electron microscope is mainly able to see (1) Prussine blue microcrystalline form, the particles are small, while less polymer, the adhesion of the polymer is more Strong, the amount of adsorbent in the particles is large; (3) a large amount of hollow porous structure, adsorbing particles are well water.
Embodiment 2
[0082] A metal feridanide adsorbent particles extracted for liquid 铷 铷 铷 资 附:: 方式:
[0083] In the first step, a polyvinyl alcohol having an alcohol is dissolved in water, and 10% by weight of solution was prepared.
[0084] Step 2, the average molecular weight of 1250,000 polyacrylate is dissolved in water, and a solution having a concentration of 4 wt% is prepared.
[0085] Step 3, the aqueous solution of the polymer prepared by step 2 will be mixed in mass than 10: 1, and the high viscosity mixing paddle is mixed and uniform, resulting in a high viscosity polymer mixed solution.
[0086] In the fourth step, the Prussian blue powder is added to the high viscosity of the high viscosity of step 3, and mixed, stirred or ground to mix evenly.
[0087] Step 5, a quantity of the first crosslinking agent aqueous solution was added to the mixture obtained in step 4, wherein the mixture and the first crosslinking agent solution were 1: 3, and the first crosslinking agent aqueous solution...
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