Zagklis Dimitris, Katrivesis Fotios K, Sygouni Varvara, Tsarouchi Lamprini, Tsigkou Konstantina, Kornaros Michael, Paraskeva Christakis A
Laboratory of Transport Phenomena and Physicochemical Hydrodynamics (LTPPH), Department of Chemical Engineering, University of Patras, GR26504 Patras, Greece.
Department of Environmental Engineering, University of Patras, GR30100 Agrinio, Greece.
Membranes (Basel). 2021 Aug 28;11(9):663. doi: 10.3390/membranes11090663.
Fresh water shortages affect larger areas each year due to the increased human population combined with climate change. Reuse of treated sewage water (mostly for nonpotable uses) can have a significant impact on reducing water scarcity. Ultrafiltration membranes are widely considered as a very good candidate for the remediation of this type of water. The case of Patras' sewage treatment plant was examined for the treatment of its secondary settling tank effluent using a pilot ultrafiltration unit to produce permeate water suitable for reuse according to Greek legislation. The physicochemical characteristics of the membrane permeate stream showed significant improvements in the quality of the produced water. Turbidity was reduced by 99%, total suspended solids were decreased by more than 94%, while COD was reduced by 37%. and were detected at high concentrations in the feed stream but were eliminated in the membrane permeate. The results presented herein indicate that the installed equipment is capable of producing improved quality water suitable for reuse even with the strictest limits imposed by Greek legislation.
由于人口增长与气候变化相互作用，每年淡水短缺影响的区域越来越大。经处理的污水回用（主要用于非饮用水用途）对于缓解水资源短缺会产生重大影响。超滤膜被广泛认为是处理这类水的理想选择。对帕特雷污水处理厂的情况进行了研究，使用中试超滤装置处理其二沉池出水，以生产符合希腊法律规定可回用的渗透水。膜渗透液流的物理化学特性表明，产水质量有显著改善。浊度降低了99%，总悬浮固体减少了94%以上，化学需氧量降低了37%。进水水流中检测到高浓度的[具体物质未给出]，但在膜渗透液中被去除。本文给出的结果表明，即使在希腊法律规定的最严格限制条件下，所安装的设备也能够生产出质量更高、适合回用的水。
