Although the treatment technology of sulfamethoxazole has been investigated widely, there are various issues such as the high cost, inefficiency, and secondary pollution which restricted its application. Bioflocculant, as a novel method, is proposed to improve the removal efficiency of PPCPs, which has an advantage over other methods. Bioflocculant MFX, composed by high polymer polysaccharide and protein, is the metabolism product generated and secreted by Klebsiella sp. In this paper, MFX is added to 1 mg/L sulfanilamide aqueous solution substrate, and the removal ratio is evaluated. According to literatures review, for MFX absorption of sulfanilamide, flocculant dosage, coagulant-aid dosage, pH, reaction time, and temperature are considered as influence parameters. The result shows that the optimum condition is 5 mg/L bioflocculant MFX, 0.5 mg/L coagulant aid, initial pH 5, and 1 h reaction time, and the removal efficiency could reach 67.82%. In this condition, MFX could remove 53.27% sulfamethoxazole in domestic wastewater, and the process obeys Freundlich equation. R(2) value equals 0.9641. It is inferred that hydrophobic partitioning is an important factor in determining the adsorption capacity of MFX for sulfamethoxazole solutes in water; meanwhile, some chemical reaction probably occurs.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3588202 | PMC |
| http://dx.doi.org/10.1155/2013/568614 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
A chemometric approach to the interaction of hydrogen peroxide and thermally activated persulfate in the removal of aromatic compounds.
J Environ Manage
December 2024
Department of Chemistry and Biology "Adolfo Zambelli", University of Salerno, via Giovanni Paolo II 132, 84084, Fisciano, SA, Italy.
This study evaluates the combined use of H₂O₂ and thermally activated S₂O₈⁻ (T-PDS) for the degradation of phenolic compounds (PhOH) in wastewater, aiming to limit or eliminate sludge production. Phenolic compounds are common in industrial effluents, and their effective removal is crucial for reducing environmental impact. The study employs Response Surface Methodology (RSM) and Principal Component Analysis (PCA) to optimise critical variables such as temperature, pH, and oxidant concentrations.
View Article and Find Full Text PDFGlyphosate binding and speciation at the water-goethite interface: A surface complexation model consistent with IR spectroscopy and MO/DFT.
Water Res
December 2024
Soil Chemistry and Chemical Soil Quality Group, Wageningen University & Research, PO BOX 47, Wageningen 6700 AA, the Netherlands.
Binding of glyphosate (PMG) to metal (hydr)oxides controls its availability and mobility in natural waters and soils, and these minerals are often suggested for the removal of PMG from wastewaters. However, a solid mechanistic and quantitative description of the adsorption behavior and surface speciation on these surfaces is still lacking, while it is essential for understanding PMG behavior in aquatic and terrestrial systems. This study gives new insights through advanced surface complexation modeling of new and previously published adsorption data, supplemented with MO/DFT calculations of the geometry, thermochemistry and theoretical infrared (IR) spectra of the surface complexes.
View Article and Find Full Text PDFRecent progress, challenges, and future prospects in constructed wetlands employing biochar as a substrate: a comprehensive review.
Environ Sci Pollut Res Int
December 2024
Department of Environmental Sciences, Maharshi Dayanand University, Rohtak, 124001, Haryana, India.
Constructed wetlands (CWs) are a cost-effective, efficient, and long-term wastewater treatment solution in various countries. The efficacy and performance of constructed wetlands are greatly influenced by the substrate. Recently, biochar as a substrate, along with sand and gravel in constructed wetlands, has gained importance due to its various physical, chemical, and biological properties.
View Article and Find Full Text PDFHarnessing microbes for heavy metal remediation: mechanisms and prospects.
Environ Monit Assess
December 2024
Department of Plant Pathology and Entomology, VIT-School of Agricultural Innovation and Advanced Learning, Vellore Institute of Technology, 632014, Vellore, Tamil Nadu, India.
Contamination by heavy metals (HMs) poses a significant threat to the ecosystem and its associated micro and macroorganisms, leading to ill effects on humans which necessitate the requirement of effective remediation strategies. Microbial remediation leverages the natural metabolic abilities of microbes to overcome heavy metal pollution effectively. Some of the mechanisms that aids in the removal of heavy metals includes bioaccumulation, biosorption, and biomineralization.
View Article and Find Full Text PDFRobust and efficient separation of white blood cells from blood using a microfluidic chip with a pair of linearly tapered crossflow filter arrays.
Mikrochim Acta
December 2024
Frontier Research Centre, Songshan Lake Materials Laboratory, Dongguan, 523830, Guangdong, China.
Clinical and immunological assays of white blood cells (WBCs) in human peripheral blood are of significance for disease diagnosis and immunological studies. However, separating WBCs from blood with high recovery and high purity remains challenging. In this study, by incorporating a pair of linearly tapered filter arrays, a crossflow filtration-based microfluidic chip was designed and fabricated for separation of WBCs from blood.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!