Effect of pH in preparation and properties of mesoporous sieve from montmorillonite
Source abstract
Abstract
Mesoporous material with dual mesoporous size distribution had been synthesized with montmorillonite as precursor. The materials exhibited two kinds of mesopores: one is mesopore in interlayers of montmorillonite with mean sizes of 2.9 nm, the other is mesopore out of layers of montmorillonite with mean sizes of 3.9 nm. With the increasing of pH values (8.0–11.0), the specific surface area and pore volume of two kinds of mesopores changed regularly. The samples were characterized by XRD, TEM and Nitrogen adsorption/desorption isotherms. The results indicated that higher pH benefits the synthesis of mesoporous montmorillonite with smaller pore and the TOT of montmorillonite had been present as porous wall.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Mesoporous Materials and Catalysis · Zeolite Catalysis and Synthesis · Clay minerals and soil interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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