Microstructure of Hydroxy-Al Pillared Montmorillonite
Source abstract
Abstract
The pillared montmorillonite was prepared by Al3+ in Keggin ions which has Keggin structure.27Al NMR was used to monitor the environment of Al3+ in solution. The thermal stability ofpillared clays was determined by XRD, IR, DTA, TG and AFM. The results suggest when m=2.4the quantity of Keggin ions in AlCl3 solution is more. In natural state, the d(001) value of pillaredmontmorillonite is 2.53urn, after calcined at 300℃, the hasal interlayer spacing is stabilized 1.83um,with high stability.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Clay minerals and soil interactions · Mesoporous Materials and Catalysis · Zeolite Catalysis and Synthesis
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