Factors affecting treatment of TFT-LCD wastewater by fenton and electro-fenton processes

doi:10.1002/ep.12229

CNU IR > College of Sustainable Environment and Recreation > Dept. of Environmental Resources Management > Periodical Articles > Item 310902800/31049

Please use this identifier to cite or link to this item: https://ir.cnu.edu.tw/handle/310902800/31049

Title:	Factors affecting treatment of TFT-LCD wastewater by fenton and electro-fenton processes
Authors:	Methatham, Thanakorn Bellotindos, Luzvisminda M. Chen, Ten-En Lu, Ming-Chun
Contributors:	MWA Head Off, Policy & Strategy Dept, Investment Planning Div, Line Deputy Governor Planning & Dev Univ Zamboanga, Archie Eustaquio Res Lab Chia Nan Univ Pharm & Sci, Dept Environm Resources Management
Keywords:	thin-film transistor liquid crystal display wastewater COD Fenton electro-Fenton
Date:	2016-03
Issue Date:	2018-01-18 11:40:35 (UTC+8)
Publisher:	Wiley
Abstract:	The TFT-LCD screen (thin film transistor liquid crystal display) industry has been growing rapidly in Taiwan in recent years. The wastewater from this industry contains many non-biodegradable pollutants and high strength nitrogen and sulfur containing compounds which are difficult to degrade. Fenton and electro-Fenton with double-cathode processes were used to treat the high COD content of real TFT-LCD wastewater which cannot be removed by conventional processes. The effect of operating parameters such as pH, Fe2+, H2O2 concentration and electrical current on COD removal were determined. The electro-Fenton process rapidly degraded the TFT-LCD wastewater in the first 20 minutes while in the Fenton process, the rapid degradation occurred in the first 60 min. This showed that electro-Fenton process could degrade the TFT-LCD wastewater faster than the Fenton process. The highest COD removal efficiency was found to be 100% at 120 min at pH=4, [Fe2+]=3.5 mM, [H2O2]=285 mM and 1.5 A of electrical current of electro-Fenton process. (c) 2015 American Institute of Chemical Engineers Environ Prog, 35: 368-373, 2016
Relation:	Environmental Progress & Sustainable Energy, v.35 n.2, pp.368-373
Appears in Collections:	[Dept. of Environmental Resources Management] Periodical Articles

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