Ionothermal Synthesis of AEL-Type Aluminophosphate Molecular Sieve Membrane and Its Formation Mechanism
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چکیده
منابع مشابه
Ionothermal synthesis of a CHA-type aluminophosphate molecular sieve membrane and its formation mechanism
A gas permeable CHA-type aluminophosphate molecular sieve membrane was ionothermally synthesized on a porous d-alumina substrate through the so-called “substrate surface conversion” method. The synthetic conditions for this specific membrane were optimized. The temperature, time and the amounts of H3PO4 and HF in the initial synthesis solution were investigated. X-ray diffraction (XRD), scannin...
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Effects of ionic liquid structures on the aluminophosphate molecular sieve products in ionothermal synthesis process were investigated. The results showed that the possible structure-directing effect of ionic liquid might exist during ionothermal synthesis. Microwave heating was introduced into the ionothermal synthesis, which led to a fast and safe process for preparation of molecular sieves. ...
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Applications of zeolite membranes in separation, chemical sensors, and catalytic membrane reactors have led to extensive studies on their fabrication. To date, mainly silicatebased zeolite membranes of the structure types MFI, DDR, LTA, and FAU have been synthesized on different substrates and evaluated for singleor multiple-gas permeation. Routes for the synthesis of zeolite membranes can be b...
متن کاملThe ionothermal synthesis of SIZ-6--a layered aluminophosphate.
A new layered open framework aluminophosphate has been prepared by ionothermal synthesis using an ionic liquid as the reaction solvent and structure-directing agent.
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Pentaerythritol/quaternary ammonium eutectic mixture as an ionic solvent: the quaternary ammonium cations can be easily controlled to exert their structure-directing effect in ionothermal synthesis of aluminophosphate microporous materials.
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ژورنال
عنوان ژورنال: Acta Chimica Sinica
سال: 2013
ISSN: 0567-7351
DOI: 10.6023/a12121032