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The SDS is investigated as a surfactant for heavy metal ion removal via micellar enhanced ultrafiltration (MEUF). It is important to recover and reuse surfactant from the retentate stream due to the high cost of surfactant. Repeated acidification is a new way to recover and reuse surfactant. The effects of pH, the initial surfactant concentration of simulated retentate solution, the volume of concentrated...
Humic acid-coated Fe 3 O 4 (HA-Fe 3 O 4 ) nanoparticles as magnetic adsorbents were prepared with co-precipitation of humic acids and Fe 3 O 4 nanoparticles. TEM analysis indicated that the average diameter of the spherical HA-Fe 3 O 4 core was about 15nm. TGA characterization showed that the HA-Fe 3 O 4 nanoparticles...
A novel biosorbent was successfully prepared by the immobilization of Phanerochaete chrysosporium with iron oxide magnetic nanoparticles (MNPs) and Ca-alginate, which was confirmed by ESEM, EDS, FTIR and XRD characterization. Optimum biosorption conditions were determined as a function of pH, contact time and initial concentration of Pb(II). The maximum biosorption efficiency of Pb(II) was obtained...
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