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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/31628

    標題: Recycling of biological secondary effluents in petrochemical industry using submerged microfiltration and reverse osmosis - pilot study and economic evaluation
    作者: Ni, Chen-Hua
    Lin, Yu-Chung
    Chang, Chia-Yuan
    Lin, Justin Chun-Te
    貢獻者: Ecodigital Technol Inc
    EigenGreen Int Inc
    Chia Nan Univ Pharm & Sci, Dept Environm Engn & Sci
    Feng Chia Univ, Dept Environm Engn & Sci
    關鍵字: Petrochemical wastewater recycling
    Biological secondary effluents
    Submerged microfiltration
    Reverse osmosis
    Integrated membrane system
    Economic evaluation (CAPEX and OPEX)
    日期: 2017-11
    上傳時間: 2018-11-30 15:50:47 (UTC+8)
    出版者: Desalination Publ
    摘要: Two critical issues determining success of a wastewater reclamation project from petrochemical biological secondary effluents (BSE) were technical feasibility and cost-effectiveness. The former required qualified effluents for capable using in desired recycling purposes, and needed to demonstrate stability of the proposed system under extreme conditions. A mobile pilot plant composed of submerged microfiltration (sMF) and reverse osmosis (RO) membranes was applied to commit aforementioned issues in recycling BSE on site. Even an emergent shutdown caused by typhoon (shock chemical oxygen demand was more than three times, 210 m.L-1, of normal BSE, 85.7 mg.L-1), excellent water quality still fulfilled requirements for cooling water make-up or process water in petrochemical manufacturing. Stability of the integrated membrane system (IMS) was therefore proved, average flow rates of sMF and RO were, respectively, 10.40 +/- 0.29 and 4.47 +/- 0.41 L min(-1), as well as effective membrane fouling control was implemented. Economic attractive of the proposed IMS was presented by evaluating capital (CAPEX) and operational expenditures (OPEX) of the sMF-one pass RO (0.45 USD.m(-3) for OPEX and 0.28 USD.m(-3) for CAPEX) and further upgrading to sMF-two pass RO (0.52 and 0.32 USD.m(-3), respectively) for full-scale reclamation project.
    關聯: Desalination and Water Treatment, v.96, pp.45-54
    Appears in Collections:[環境工程與科學系(所)] 期刊論文

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