نتایج جستجو برای: zerovalent iron

تعداد نتایج: 142601  

Journal: :Water 2023

In the present study, a magnetic nanocomposite based on biochar (BC) derived from sugarcane bagasse, nanoscale zerovalent iron (nZVI), and chitosan (CS) was fabricated to investigate its efficacy for removal of two widely used pharmaceutically active compounds (PhACs), namely aspirin (ASA) carbamazepine (CBZ). The synthesized (BC-CS@nZVI) characterized using XRD, FTIR, FESEM-EDX. Response Surfa...

Journal: :Journal of Polymers and The Environment 2021

This investigation compared the adsorption behavior of humic acid (HA) on cellulose, chitosan and nano zerovalent iron/chitosan (nZVI/chitosan). Results show that nZVI/chitosan is very effective in HA from aqueous media. The feasibility using as an adsorbent for simultaneous removal nitrate media was also studied. Structural analyses samples were identified by TEM, FT-IR, EDX, XRD N2 isotherms....

Journal: :Journal of environmental quality 2009
M Waria S D Comfort S Onanong T Satapanajaru H Boparai C Harris D D Snow D A Cassada

A former agrichemical dealership in western Nebraska was suspected of having contaminated soil. Our objective was to characterize and remediate the contaminated site by a combined chemical-biological approach. This was accomplished by creating contour maps of the on-site contamination, placing the top 60 cm of contaminated soil in windrows and mixing with a mechanical high-speed mixer. Homogeni...

2017
Haijiao Lu Jingkang Wang Hongxun Hao Ting Wang

With a large specific surface area, high reactivity, and excellent adsorption properties, nano zerovalent iron (nZVI) can degrade a wide variety of contaminants in wastewater. However, aggregation, oxidation, and separation issues greatly impede its wide application. In this study, MoS₂/Fe₃O₄/nZVI nanocomposites were successfully synthesized by a facile step-by-step approach to overcome these p...

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