期刊
CLEAN-SOIL AIR WATER
卷 37, 期 8, 页码 638-641出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/clen.200900040
关键词
Advanced wastewater treatment; Micropollutants; Nanofiltration; Pharmaceuticals
类别
资金
- federal ministry of education and research in Germany (BMBF) [02WA0821]
Most conventional wastewater treatment plants remove very small amounts of micropollutants, such as pharmaceuticals. Here, the ability of two different types of submerged nanofiltration flat sheet modules to remove pharmaceuticals from wastewater is analyzed. The two nanofiltration membranes were used at relatively low pressures of only 0.3 and 0.7 bar. At such low pressures, the membranes did not retain salts to a great extent. This is advantageous in wastewater treatment because no salt concentrate is produced. Carbamazepine was retained only slightly by the nanofiltration membranes, whereas approximately 60% of diclofenac and naproxen were retained by both membranes. This level of effectiveness might not be enough to justify the use of such a system as an additional treatment step in wastewater treatment plants.
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