Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/9618
Title: Closing the water cycle for industrial laundries: An operational performance and techno-economic evaluation of a full-scale membrane bioreactor system
Authors: Nicolaidis, Charalambos 
Vyrides, Ioannis 
Major Field of Science: Natural Sciences
Field Category: Earth and Related Environmental Sciences
Keywords: Biodegradation;Laundry wastewater;Membrane retention;Payback;Recycling;Submerged membrane bioreactor
Issue Date: Nov-2014
Source: Resources, Conservation and Recycling, 2014, vol. 92, pp. 128-135
Volume: 92
Start page: 128
End page: 135
Journal: Resources, Conservation and Recycling 
Abstract: To reduce the consumption of freshwater in the laundry industry, a new trend of closing the water cycle has resulted in the reuse/recycling of water. In this study, the performance of a full-scale submerged aerobic membrane bioreactor (9 m3) used to treat/reuse industrial laundry wastewater was examined over a period of 288 days. The turbidity and total solids (TS) were reduced by 99%, and the chemical oxygen demand (COD) effluent removal efficiencies were between 70% and 99%. The levels of COD removed by the membrane were significantly greater than the levels of biodegraded COD. This enabled the bioreactor to sustain COD levels that were below 100 mg/L, even during periods of low wastewater biodegradation due to bioreactor sludge. An economic evaluation of the membrane bioreactor (MBR) system showed a savings of 1.13 € per 1 m3 of water. The payback period for this system is approximately 6 years. The energy and maintenance costs represent only 5% of the total cost of the MBR system.
URI: https://hdl.handle.net/20.500.14279/9618
ISSN: 09213449
DOI: 10.1016/j.resconrec.2014.09.001
Rights: © Elsevier
Type: Article
Affiliation : Cyprus University of Technology 
Publication Type: Peer Reviewed
Appears in Collections:Άρθρα/Articles

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