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The effects of iron species and mineral particles on advanced oxidation processes for the removal of humic acids [An article from: Desalination]
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Book Details
Author(s)
S. Park, T.i. Yoon
Publisher
Elsevier
ISBN / ASIN
B000PDYRJC
ISBN-13
978B000PDYRJ2
Marketplace
Germany 🇩🇪
Description
This digital document is a journal article from Desalination, published by Elsevier in 2007. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
Influence of iron species and mineral particles added on the advanced oxidation processes (AOP) for the humic acids (HA) removal was elucidated. It was observed that decomposition rate of hydrogen peroxide increased when the modified ferrous ion (M-Fe, of which main species are pre-hydrolyzed ferrous species as FeOH^+) was added. Addition of bentonite in the iron-catalyzed oxidation process adversely affected H"2O"2 degradation. Iron salts, were adsorbed onto the surface of bentonite, suppressed the reaction between iron and H"2O"2. In contrast, adding glass powder slightly increased the H"2O"2 degradation rate. In addition, changes in the molecular and structural characteristics of HA and the hydrophobic and hydrophilic fractions of trihalomethanes (THMs) precursors after the Fenton and photo-Fenton oxidation were evaluated by GPC, NMR spectra and Py-GC/MSD.
Description:
Influence of iron species and mineral particles added on the advanced oxidation processes (AOP) for the humic acids (HA) removal was elucidated. It was observed that decomposition rate of hydrogen peroxide increased when the modified ferrous ion (M-Fe, of which main species are pre-hydrolyzed ferrous species as FeOH^+) was added. Addition of bentonite in the iron-catalyzed oxidation process adversely affected H"2O"2 degradation. Iron salts, were adsorbed onto the surface of bentonite, suppressed the reaction between iron and H"2O"2. In contrast, adding glass powder slightly increased the H"2O"2 degradation rate. In addition, changes in the molecular and structural characteristics of HA and the hydrophobic and hydrophilic fractions of trihalomethanes (THMs) precursors after the Fenton and photo-Fenton oxidation were evaluated by GPC, NMR spectra and Py-GC/MSD.
