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Reclamation and reuse of wastewater by membrane-based processes in a typical midstream petrochemical factory: a techno-economic analysis

Author

Listed:
  • Cheng-Wei Lin

    (China Petrochemical Development Corporation)

  • Hai Nguyen Tran

    (Duy Tan University
    Duy Tan University)

  • Ruey-Shin Juang

    (Chang Gung University
    Chang Gung Memorial Hospital
    Ming Chi University of Technology)

Abstract

In the present study, a techno-economic analysis for the reclamation of wastewater in a midstream petrochemical factory (the Miaoli factory of the China Petrochemical Development Company in Taiwan) was investigated. Caprolactam is the main product in this factory. The wastewater to be reclaimed and recycled as cooling water replenishment was the effluent from organic- and inorganic-based wastewater treatment plants, the concentrate from cooling tower units, and water for rinsing use from other units. In addition to the current primary treatment process (Scheme 1), other treatment methods involving various combinations of membrane-based processes of microfiltration (MF), ultrafiltration (UF), reverse osmosis (RO), and electrodialysis reversal (EDR) were proposed, depending on the quality of the wastewater. The three schemes include the combination of MF and EDR (Scheme 2), UF and RO (Scheme 3), and MF, UF and RO (Scheme 4). Based on the capacities and operating costs of various membrane modules, an economic analysis on Schemes 2–4 by the net present worth method demonstrated that Scheme 3 was the best choice under the range of source water price studied (U$ 0.45–0.62/m3). In this case, the total amount of wastewater reclaimed notably increased from 6.6% by the current treatment scheme (Scheme 1) to 30.9% by Schemes1 and 3. Moreover, Scheme 3 had an advantage over Scheme 1 when the source water price exceeds U$ 0.51/m3.

Suggested Citation

  • Cheng-Wei Lin & Hai Nguyen Tran & Ruey-Shin Juang, 2024. "Reclamation and reuse of wastewater by membrane-based processes in a typical midstream petrochemical factory: a techno-economic analysis," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 26(2), pages 5419-5430, February.
    • Handle: RePEc:spr:endesu:v:26:y:2024:i:2:d:10.1007_s10668-022-02880-9
    DOI: 10.1007/s10668-022-02880-9
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    References listed on IDEAS

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    1. David Han-Min Wang & Chih-Yuan Huang, 2018. "Construction and Application of Water Resource Accounting Information System in Taiwan," International Journal of Business, Economics and Management, Conscientia Beam, vol. 5(1), pages 1-15.
    2. R. R. Weerasooriya & L. P. K. Liyanage & R. H. K. Rathnappriya & W. B. M. A. C. Bandara & T. A. N. T. Perera & M. H. J. P. Gunarathna & G. Y. Jayasinghe, 2021. "Industrial water conservation by water footprint and sustainable development goals: a review," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 23(9), pages 12661-12709, September.
    3. David Han-Min Wang & Chih-Yuan Huang, 2018. "Construction and Application of Water Resource Accounting Information System in Taiwan," International Journal of Business, Economics and Management, Conscientia Beam, vol. 5(1), pages 1-15.
    4. Vergili, Ilda & Kaya, Yasemin & Sen, Unal & Gönder, Zeren Beril & Aydiner, Coskun, 2012. "Techno-economic analysis of textile dye bath wastewater treatment by integrated membrane processes under the zero liquid discharge approach," Resources, Conservation & Recycling, Elsevier, vol. 58(C), pages 25-35.
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