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    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
    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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