Sewage -- Purification -- Flocculation -- Congresses. : Control of organic material by coagulation and floc-separation processes : proceedings of the second conference of the IAWQ-IWSA Joint Specialist Group on Coagulation, Flocculation, Filtration, Sedimentation and Flotion, held in Geneva, Switzerland, 1-3 September 1992 / editors, K.J. Ives and H. Bernhardt
Sewage -- Purification -- Great Britain -- Congresses : Wastewater treatment : evaluation and implementation : proceedings of Water Environment '94, a joint Institution of Civil Engineers and Institution of Water and Environment [i.e. Environmental] Management conference, held in London on 9-10 March 1994 / [edited by B.H. Rofe]
Sewage -- Purification -- Instruments -- Congresses. : Instrumentation, control and automation of water and wastewater treatment and transport systems 1993 : proceedings of the Sixth IAWQ Workshop, held in Banff and Hamilton, Canada, 17-25 June 1993 / editor B. Jank with the assistance of J. Andrews ... [and others]
Sewage -- Purification -- Mediterranean Region : Waste water treatment and reuse in the Mediterranean Region / volume editors, Damià Barceló, Mira Petrovic ; with contributions by M. Afferden [and others]
Sewage -- Purification -- Nutrient removal -- Congresses. : Nutrient management in wastewater treatment processes and recycle streams : selected papers from the IWA International Conference on Nutrient Management in Wastewater Treatment Processes and Recycle Streams, held in Krakow, Poland 19-21 September 2005 / issue editors J.A. Oleszkiewicz ... [and others]
2006
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Sewage -- Purification -- Nutrients removal : Design and retrofit of wastewater treatment plants for biological nutrient removal / edited by Clifford W. Randall, James L. Barnard, H. David Stensel
Sewage -- Purification -- Ozonation : Ozonation of water and waste water : a practical guide to understanding ozone and its application / C. Gottschalk, J.A. Libra, A. Saupe
