Substance-specific detection and pursuit of non-eliminable compounds during biological treatment of waste water from the pharmaceutical industry |
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| Institution: | 1. LMPHE, (URAC 12), Faculté des Sciences, Université Mohammed V, Rabat, Morocco;2. Laboratoire des Matériaux Nanotechnologies et Environnement, Département de chimie B.P.1014, Faculté des sciences, Rabat, Morocco;3. Laboratory of Water and Environment, Faculty of Sciences of El jadida; BP 20, El jadida 24000, Morocco;1. Laboratoire d’Elaboration et Caractérisation Physico Mécanique et Métallurgique des Matériaux (ECP3M), Département de Génie Electrique, Faculté des Sciences et de la Technologie, Université Abdelhamid Ibn Badis de Mostaganem, 27000 Mostaganem, Algeria;2. Aix-Marseille Université, IM2NP-CNRS UMR 7334, Campus St. Jérôme, Case 142, 13397 Marseille Cedex 20, France;3. Laboratoire de physique computationnelle des matériaux (LPCM), Djillali Liabès University of Sidi Bel-Abbès, 22000, Algeria;1. Department of Chemical Engineering, Lakehead University, 955 Oliver Road, Thunder Bay, ON P7B 5E1, Canada;2. Department of Chemical and Biochemical Engineering, University of Western Ontario, London, ON N6A 5B9, Canada;3. GE Water & Process Technologies, Oakville, ON L6M 4B2, Canada;1. Algal Biomass iKohza, Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100 Kuala Lumpur, Malaysia;2. Department of Environmental Engineering and Green Technology, Malaysia-Japan International Institute of Technology (MJIIT), Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100 Kuala Lumpur, Malaysia;3. Environmental Engineering Group, School of Civil Engineering and Geosciences, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom |
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| Abstract: | Up to now comprehensive examination and assessment of the elimination behaviour of many different pollutants in biological waste water treatment failed above all because of limited possibilities to pursue polar organic compounds of anthropogenic and biogenic origin. In this case the behaviour of waste water constituents during the treatment of waste water from the pharmaceutical industry was studied with the help of mass-spectrometric detection (MS). After completest possible extraction and concentration by liquid/liquid and solid phase extraction (SPE) from samples of influent and effluent of a pilot plant, substance-specific determination and identification was done after chromatographic separation and with the help of mixture analysis, respectively. Separation by gas chromatography coupled with MS was applied to pursue the organic compounds, which are volatile without decomposition, during the waste water treatment process. Flow injection analysis (FIA) bypassing the analytical column combined with soft-ionizing interfaces served for screening of the polar compounds. Then they were separated by liquid chromatographic methods to recognize changes in the qualitative and quantitative compound spectrum. Mixture analysis by FIA combined with tandem mass spectrometry (FIA/MS/MS) was used for identification of the pollutants without previous chromatographic separation. A laboratory-made daughter ion library helped to identify some of the poorly eliminable pollutants detected. The presentation of the monitoring procedures applied was made in such a way that the treatment results were visually recognizable. Due to the use of time-saving FIA/MS, this method may serve for substance-specific monitoring of the treatment of possibly problematic waste waters. © |
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