Synthesis, characterization, morphology control of poly (p-phenylenediamine)-Fe3O4 magnetic micro-composite and their application for the removal of Cr2O72− from water
Source abstract
Abstract
Abstract In this paper, poly (p-phenylenediamine)-Fe 3 O 4 (PpPD-Fe 3 O 4 ) magnetic micro-composite was synthesized via chemical oxidation polymerization of p-phenylenediamine (pPD) monomers with (NH 4 ) 2 S 2 O 8 (APS) and Fe(NO 3 ) 3 at room temperature. The results demonstrated that the morphologies of this magnetic micro-composite were varied by tuning the consistence of Fe(NO 3 ) 3 in solution. The structures, morphologies and properties of the composites were characterized with IR, Raman spectroscopy, XRD, X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM), and flame atomic absorption spectrometry (FAAS). This magnetic composite showed excellent ability on absorption of Cr 2 O 7 2− . This magnetic composite is low cost, easy to operate and separate from solution. The mechanism research shows that the chemical adsorption and physical adsorption exist at the same time in adsorption process.
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Research context
OpenAlex topics: Nanomaterials for catalytic reactions · Adsorption and biosorption for pollutant removal · Metal-Organic Frameworks: Synthesis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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