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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