期刊
JOURNAL OF CHROMATOGRAPHY A
卷 1216, 期 31, 页码 5807-5818出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2009.06.001
关键词
Reverse osmosis; Water reuse; Indirect potable reuse systems; Pharmaceuticals; LC-MS; Solid-phase extraction (SPE); Wastewater
A solid-phase extraction (SPE) LC-MS/MS method for 18 commercial drugs in secondary wastewater and product water from water recycling plants using microfiltration (MF) and reverse osmosis (RO) has been developed, optimised and validated. The method incorporates a range of multi-class pharmaceuticals including lipid lowering agents, analgesics, antipyretics, non-steroidal anti-inflammatory drugs, antidepressants, anticoagulants, tranquilizers, cytostatic agents, and antiepileptics. Method limits of quantitation (MLQs) in secondary wastewater ranged from 15 to 250 ng/L, while MLQs in post-RO water ranged from 1 to 25 ng/L. Results from analysis of secondary wastewater from Western Australia are presented, and represent the largest survey of non-antibiotic pharmaceuticals within Australia to date. Analysis of post-RO water from two MF/RO water recycling facilities also demonstrate that MF/RO treatment removes most pharmaceuticals to below the analytical limits of detection, and more importantly, up to seven orders of magnitude below health-based guideline values. (C) 2009 Elsevier B.V. All rights reserved.
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