Joint synthesis of Zeolite A-LDH from mineral industry waste
Source abstract
Abstract
Abstract This study evaluated the use of waste from the copper concentration process and kaolin processing for the combined synthesis of Zeolite A and layered double hydroxide (LDH). The synthesis occurred in two stages: synthesis of LDH by coprecipitation and submersion in a hydrothermal bath and then the addition of metakaolin for the synthesis of Zeolite A. The synthesized ZA-LDH sample was characterized by X-ray diffraction (XRD), scanning electron microscopy coupled with X-ray energy dispersive spectroscopy (SEM-EDS), N2 physisorption and point of zero charge (PZC). X-ray diffraction detected phases of high structural order, quantified by the Rietveld method in 90.57 Zeolite A, 9.21 pyroaurite and 0.22 anatase (% mass). In adsorption tests, the ZA-LDH showed greater efficiency in dye removal than commercial zeolite.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Layered Double Hydroxides Synthesis and Applications · Magnesium Oxide Properties and Applications · Zeolite Catalysis and Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (34)
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