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水玻璃,铝酸钠,氢氧化钠合成13X分子筛?

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水玻璃,铝酸钠,氢氧化钠合成13X分子筛?

哪位大神有知道 以水玻璃,铝酸钠,氢氧化钠合成13X分子筛,的具体配比,和合成工序那,,求告知!  查了很多文献,都说的很模糊,搞不清楚具体怎样合成!

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,机修 2019-11-01回答
你上国际沸石分子筛协会网站,上面有标准配方。这个是协会网站http://www.iza-online.org/
这个是合成配方的网址 http://www.iza-online.org/synthesis/default.htm
FAU

Linde Type X     Si(55), Al(45)

Contributed by Hans Lechert and Philip Staelin

Verified by D. Ginter, by E. Basaldella, and by E. Fallabella Sousa-Aguiar

Type Material Na86Al86Si106O384 : wH2O (w ~ 260)

Method H. Lechert, H. Kacirek

Batch Composition NaAlO2 : 4 SiO2 : 16 NaOH : 325 H2Oa,b

Source Materials

distilled water
sodium hydroxide (99+% NaOH)
alumina trihydrate (Merck, 65% Al2O3) c
sodium silicate solution (27.35% SiO2, 8.30% Na2O, 1.37 g/mL)
Batch Preparation (for 42 g product)

(1)        , stir until dissolved
(2)        , stir at 100¡C until dissolved, cool to 25¡C
(3)        , mix
(4)        , mix until dissolved
(5)        , mix until dissolved
(7)        , combine quickly and stir for 30 minutesd
Crystallization

Vessel:        polyethylene bottles
Temperature: 90¡C
Time: 8 hours
Agitation: none
Product Recovery

(1)        Filter and wash to pH < 10
(2)        Dry at 1000C, equilibrate over saturated aqueous NaCl
(3)        Yield: near 100% on Al2O3
Product Characterization

XRD 100% FAU, a0 = 24.92 Å, competing phases: LTA, GIS, ANA, SOD
Elemental Analysis: NaAlO2. 1.24 SiO2f
Crystal Size and Habit: spherical aggregates, 0.8 um dia.
,销售 2019-11-01回答
万分感谢!

 
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