Analysis and anaerobic degradation of wool scouring and olive oil mill wastewaters |
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| Authors: | Bruno Rindone Vincenza Andreoni Alberto Rozzi and Claudia Sorlini |
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| Institution: | (1) Dipartimento di Chimica Organica e Industriale, Università di Milano, Via Venezian 21, I-20133 Milano, Italy;(2) Istituto di Microbiologia e Industrie Agrarie, Università di Torino, Via Giuria 15, I-10126 Torino, Italy;(3) Istituto di Ingegneria Sanitaria, Politecnico di Milano, Piazza Leonardo Da Vinci, I-20133 Milano, Italy;(4) Dipartimento di Scienze e Tecnologie Alimentari e Microbiologiche, Università di Milano, Via Celoria 2, I-20133 Milano, Italy |
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| Abstract: | Summary Two types of fatty industrial wastewaters, wool scouring effluents (WSE) and olive oil mill effluents (OME) were analysed (lipids, phenols and COD), and were then treated anaerobically in laboratory-scale fixed bed filters. Approximately 50% of the organic compounds in both wastewaters was degraded at two days of hydraulic residence time. A higher biogas production was obtained when using OME rather than WSE. This experimental study confirmed that anaerobic digestion can be considered as a roughing treatment in a multi-step process for industrial fatty wastewaters. |
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