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排序方式: 共有203条查询结果,搜索用时 15 毫秒
201.
Removal of PFOS, PFOA and other perfluoroalkyl acids at water reclamation plants in South East Queensland Australia 总被引:3,自引:0,他引:3
Thompson J Eaglesham G Reungoat J Poussade Y Bartkow M Lawrence M Mueller JF 《Chemosphere》2011,82(1):9-17
This paper examines the fate of perfluorinated sulfonates (PFSAs) and carboxylic acids (PFCAs) in two water reclamation plants in Australia. Both facilities take treated water directly from WWTPs and treat it further to produce high quality recycled water. The first plant utilizes adsorption and filtration methods alongside ozonation, whilst the second uses membrane processes and advanced oxidation to produce purified recycled water. At both facilities perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), perfluorohexanoic acid (PFHxA) and perfluorooctanoic acid (PFOA) were the most frequently detected PFCs. Concentrations of PFOS and PFOA in influent (WWTP effluent) ranged up to 3.7 and 16 ng L−1 respectively, and were reduced to 0.7 and 12 ng L−1 in the finished water of the ozonation plant. Throughout this facility, concentrations of most of the detected perfluoroalkyl compounds (PFCs) remained relatively unchanged with each successive treatment step. PFOS was an exception to this, with some removal following coagulation and dissolved air flotation/sand filtration (DAFF). At the second plant, influent concentrations of PFOS and PFOA ranged up to 39 and 29 ng L−1. All PFCs present were removed from the finished water by reverse osmosis (RO) to concentrations below detection and reporting limits (0.4-1.5 ng L−1). At both plants the observed concentrations were in the low parts per trillion range, well below provisional health based drinking water guidelines suggested for PFOS and PFOA. 相似文献
202.
Adeniyi Lateef Adeleke Afon Abel Omoniyi 《Journal of Material Cycles and Waste Management》2022,24(3):1172-1181
Journal of Material Cycles and Waste Management - This research investigates the types and quantity of different components of solid waste produced at Obafemi Awolowo University, Ile-Ife (OAU)... 相似文献
203.
Nega Worku Balew Abel 《Environmental science and pollution research international》2022,29(28):42493-42508
Environmental Science and Pollution Research - The land surface temperature (LST) has been increased worldwide from time to time with the rapid increase of impervious surfaces such as built-up... 相似文献