| Title | Hybrid biological, electron beam and zero-valent nano iron treatment of recalcitrant metalworking fluids |
| Publication Type | Journal Article |
| Year of Publication | 2016 |
| Authors | Thill P.G, Ager D.K, Vojnovic B., Tesh S.J, Scott T.B, Thompson I.P |
| Journal | Water Research |
| Volume | 93 |
| Pagination | 214-221 |
| Date Published | Apr |
| Type of Article | Article |
| ISBN Number | 0043-1354 |
| Accession Number | WOS:000372940200024 |
| Keywords | ADVANCED OXIDATION PROCESSES, BIOAVAILABILITY, Biodegradation, Biological treatment, COD, Electron beam irradiation, IRRADIATION, METAL, Metalworking fluid, nanoparticles, remediation, REMOVAL, toxicity, WASTE-WATER TREATMENT, Wastewater treatment, Zero-valent nano iron |
| Abstract | Hybrid approaches for the remediation and detoxification of toxic recalcitrant industrial wastewater were investigated. The focus was waste metalworking fluid, which was selected as a representative model of other waste streams that are toxic, recalcitrant and that require more sustainable routes of safe disposal. The hybrid approaches included biodegradation, electron beam irradiation and zero-valent nano iron advanced oxidation processes that were employed individually and in sequence employing a factorial design. To compare process performance operationally exhausted and pristine metalworking fluid were compared. Sequential hybrid electron beam irradiation, biological, nanoscale zero-valent iron and biological treatment lead to synergistic detoxification and degradation of both recalcitrant streams, as determined by complementary surrogates and lead to overall improved COD removal of 92.8 +/- 1.4% up from 85.9 +/- 3.4% for the pristine metalworking fluid. Electron beam pre-treatment enabled more effective biotreatment, achieving 69.5 +/- 8% (p = 0.005) and 24.6 +/- 4.8% (p = 0.044) COD reductions. (C) 2016 Published by Elsevier Ltd.
|
| Short Title | Water Res.Water Res. |
| Alternate Journal | Water Res. |
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Thill, Patrick G. Ager, Duane K. Vojnovic, Borivoj Tesh, Sarah J. Scott, Thomas B. Thompson, Ian P.
STFC CLASP [ST/K006568/1]
The author would like to thank Robert Newman at the Gray Institute. The Clarendon Fund, EPSRC and New College, University of Oxford fund Patrick G. Thill. This research was supported by an STFC CLASP call (ST/K006568/1).
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