Journal of Hazardous Materials
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Copper removal using bio-inspired polydopamine coated natural zeolites
Journal of Hazardous Materials 273:174 (2014)• Natural zeolites were modified with bio-inspired polydopamine. • A 91.4% increase in Cu(II) ion adsorption capacity was observed....
Oil recovery from refinery oily sludge via ultrasound and freeze/thaw.
The effective disposal of oily sludge generated from the petroleum industry has received increasing concerns, and oil recovery from such waste was considered as one feasible option. In this study, three different approaches for oil recovery were investigated, including ultrasonic tre...
Adsorption equilibrium and kinetics for SO2, NO, CO2 on zeolites FAU and LTA.
In order to develop a single-step process for removing SO(2), NO, CO(2) in flue gas simultaneously by co-adsorption method. Pure component adsorption equilibrium and kinetics of SO(2), NO, and CO(2) on zeolite NaY, NaX, CaA were obtained respectively. Equilibrium data were analyzed b...
Photocatalytic degradation kinetics and mechanism of antivirus drug-lamivudine in TiO"2 dispersion
Photocatalytic degradation kinetics of antivirus drug-lamivudine in aqueous TiO(2) dispersions was systematically optimized by both single-variable-at-a-time and central composite design based on the response surface methodology. Three variables, TiO(2) content, initial pH and lamivu...
Electrochemical study of nitrobenzene reduction on galvanically replaced nanoscale Fe/Au particles
Nanoscale Fe/Au particles were fabricated on glassy carbon substrates by electrodeposition of Fe and the subsequent galvanic replacement with Au. The particles were characterized by scanning electron microscopy and transmission electron microscopy, and a hollow structure was found. T...
Self-assembled mesoporous γ-Al2O3 spherical nanoparticles and their efficiency for the removal of arsenic from water.
We report a highly efficient synthetic strategy for self-assembled mesoporous γ-Al(2)O(3) materials using sodium salicylate as template. The mesoporous γ-Al(2)O(3) samples synthesized following this strategy have high surface areas (231-497m(2)g(-1)), consist of crystalline tiny spherical nanopart...
Ultrasound-assisted synthesis and visible-light-driven photocatalytic activity of Fe-incorporated TiO2 nanotube array photocatalysts.
Fe incorporated TiO(2) nanotube arrays (Fe-TiO(2)NTs) were prepared by an ultrasound-assisted impregnating-calcination method. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and UV-vis diffu...
The contribution of vanadium and titanium on improving methylene blue decolorization through heterogeneous UV-Fenton reaction catalyzed by t...
This study investigated the methylene blue (MB) decolorization through heterogeneous UV-Fenton reaction catalyzed by V-Ti co-doped magnetites, with emphasis on comparing the contribution of V and Ti cations on improving the adsorption and catalytic activity of magnetite. In the well...
Fate and biological effects of silver, titanium dioxide, and C60 (fullerene) nanomaterials during simulated wastewater treatment processes.
As engineered nanomaterials (NMs) become used in industry and commerce their loading to sewage will increase. In this research, sequencing batch reactors (SBRs) were operated with hydraulic (HRT) and sludge (SRT) retention times representative of full-scale biological WWTPs for sever...
Generation of continuous packed bed reactor with PVA-alginate blend immobilized Ochrobactrum sp. DGVK1 cells for effective removal of N,N-di...
Effective removal of dimethylformamide (DMF), the organic solvent found in industrial effluents of textile and pharma industries, was demonstrated by using free and immobilized cells of Ochrobactrum sp. DGVK1, a soil isolate capable of utilizing DMF as a sole source of carbon, nitrog...