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
Sewage -- Purification -- Filtration -- Australia. : Report on the use of slow sand filtration in Australia / prepared by the Queensland Department of Local Government for the Australian Water Resources Council Water Technology Committee
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]