High-strength gas purifying and separating adsorbent as well as preparation and application thereof
A gas purification and adsorbent technology, applied in separation methods, dispersed particle separation, chemical instruments and methods, etc., can solve the problems of uneven ion monolayer dispersion, complex process, easy slag drop, etc., and achieve economical practicability and high strength. , high-efficiency separation characteristics, economical and practical effect
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Embodiment 1
[0038] Weigh 220 grams of NaY fine powder, dissolve in 0.1-0.2mol concentration of Cu(NO 3 ) 2 Exchange fluid, at room temperature, after 3-4 times of exchange, filtration and washing. The filter cake is dried at 120°C for 24 hours, then programmed to heat up to 500°C at 10°C / min, and roasted for 1-2 hours for later use, which is recorded as Cu(II)-Y;
[0039] Weigh 28.2 grams of roasted sample Cu(II)-Y, mix with 20.3 grams of cuprous chloride (analytical pure), and then mix with 0.56 grams of sheepsweet soil with a solid content of 80%, 13.2 grams of pseudoboehmite, 2 grams of CeCl 3 .7H 2 O mix, grind and mix, and add 26ml of hydrochloric acid solution with a mass concentration of 2%, knead, extrude, then dry at 120°C, and roast at 400°C for 4 hours. The adsorbent is designated as HCU-1. The analysis results are shown in Tables 1 and 3.
Embodiment 2
[0041] Weigh 938.5 grams of NaY fine powder, 15 grams of attapulgite, CuCl 2 670 grams of reagents, 440 grams of aluminum glue (solid content 70%) are mixed evenly, and 150 grams of mixed rare earth chlorides rich in cerium oxide (by weight percentage, wherein CeO 2 Content 60%, LaO 3 content of 30%, and the remaining 10% is Pr, Nd, Sm, Eu, etc.) dissolved in hydrochloric acid aqueous solution with a mass concentration of 2%, added to the mixture, kneaded, extruded, and formed into a diameter of Ф1.5mm and a length of 2-3mm The strips were dried at 110°C for 24 hours, then heated to 450°C at a rate of 10°C / min, and roasted for 4 hours. The adsorbent sample was designated as HCU-2. The analysis and evaluation results are shown in Tables 1 and 3.
Embodiment 3
[0043] Weigh 13.2 grams of pseudo-boehmite, 2 grams of kaolin, 29.2 grams of NaY powder, and Cu(NO 3 ) 2 .3H 2 Mix 45 grams of O reagent, after grinding and refining, add nitric acid solution with a mass concentration of 3% and knead to shape, extrude and dry in the air, dry at 120°C for 24 hours, and then use CeCl 3 .7H 2 O, CeCl at a concentration of 0.05 mol 3 After soaking and drying the solution for many times, the temperature was programmed to rise to 380°C at a rate of 10°C / min and roasted for 4 hours in a muffle furnace.
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