Sewage -- Purfication -- Congresses : Chemical water and wastewater treatment V : proceedings of the 7th Gothenburg Symposium 1998, September 07-09, 1998, Prague, Czech Republic / Hermann H. Hahn, Erhard Hoffmann, Hallvard Ødegaard (Eds.)
Sewage -- Purification -- Aeration -- Congresses. : Aerobic granular sludge : selected proceedings of the 1st IWA-Workshop Aerobic Granular Sludge organised by the Institute of Water Quality Control and Waste Management of the Technical University of Munich (TUM) ... / edited by S. Bathe ... [and others]
Sewage -- Purification -- Anaerobic treatment -- Congresses. : Anaerobic digestion : consolidated technology and new challenges : selected proceedings of the 6th Latin American Workshop and Seminar on Anaerobic Digestion, held in Recife, Pernambuco, Brazil, 5-9 November 2000 / issue editors, C.A.L. Chernicharo ... [and others]
Sewage -- Purification -- Automation -- 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 -- BRIC countries : Water conservation and wastewater treatment in BRICS nations : technologies, challenges, strategies and policies / edited by Pardeep Singh [and more]
Sewage -- Purification -- China : Integrated treatment technology of rural domestic sewage : ten cases of integrated sewage treatment in rural area of China / Wensheng Li, Yungui Li, Jianmin Zhang, Fengyu Wang, Bin Wang
Sewage -- Purification -- Congressess : Nano and micro particles in water and wastewater treatment : selected proceedings of the 2nd International Specialised Conference on Nano and Micro Particles in Water and Wastewater Treatment, held in Zürich, Switzerland, 22-24 September 2003 / issue editors: M. Boller and W. Pronk