Oxidative removal of sulfadiazine using synthetic and natural manganese dioxides

Septian, Ardie; Shin, Won Sik

doi:10.1080/09593330.2019.1699963

Cited by 9 publications

(2 citation statements)

References 32 publications

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“…The EDS analysis results of IOCS and MOCS are shown in Figure 2c,d, respectively. The elemental compositions of IOCS ( Figure 2c) were identical to those reported in the previous studies [15,17], where Fe indicated the presence of iron oxide in the IOSC, and Mn indicated the presence of manganese oxide in the MOSC (Figure 2c) [36].…”

Section: Physicochemical Properties Of Iocs and Mocssupporting

confidence: 82%

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The Influence of Salinity on the Removal of Ni and Zn by Sorption onto Iron Oxide- and Manganese Oxide-Coated Sand

2020

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The influence of salinity on the single and binary sorption of Ni and Zn onto iron oxide- and manganese oxide-coated sand (IOCS and MOCS) was investigated at pH = 5. The single sorption experimental data were fitted to Freundlich, Langmuir, Dubinin–Radushkevich, and Sips models, and a nonlinear sorption isotherm was observed (NF = 0.309–0.567). The higher Brunauer–Emmett–Teller (BET) surface area (ABET) and cation exchange capacity (CEC) of MOCS contributed to the higher maximum sorption capacities (qmL) of Ni and Zn than that of IOCS. The Ni sorption capacities in the single sorption were higher than that in the binary sorption, while the Zn sorption capacities in the single sorption were less than that in the binary sorption. The single and binary sorptions onto both IOCS and MOCS were affected by the salinity, as indicated by the decrease in sorption capacities. Satisfactory predictions were shown by the binary sorption model fitting including P-factor, ideal adsorbed solution theory (IAST)–Freundlich, IAST–Langmuir, and IAST–Sips; among these, the P-factor model showed the best fitting results in predicting the influence of salinity of Ni and Zn in the binary sorption system onto IOCS and MOCS. IOCS and MOCS offer a sustainable reactive media in a permeable reactive barrier (PRB) for removing Ni and Zn in the presence of salinity.

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Section: Physicochemical Properties Of Iocs and Mocssupporting

confidence: 82%

“…In Figure 1b, some weak residual peaks in the range of 50-61 • belonging to the iron oxide [33][34][35] were detected. The residual peaks of manganese oxide [12,35] also appeared in Figure 1c in the range of 30-60 • [36]. Figure 2a,b depict the SEM images of IOSC and MOCS, respectively.…”

Section: Physicochemical Properties Of Iocs and Mocsmentioning

confidence: 85%