Small Wastewater Treatment Plants

About this book

Until recently little attention has been paid to the design and operation of small wastewater treatment plants, despite the vast number of such plants all over the world. Small rural communities (with populations in the 100-2000 range), tourist and educational establishments and campsites provide typical applications. The 46 papers presented in this volume cover design, operation and management of small wastewater treatment plants over a broad range of technologies. Both natural - such as reed beds, ponds, infiltration and evapotranspiration - and technically advanced chemical and biological methods are discussed. The Proceedings demonstrate the importance of considering local circumstances in the design of plants, but also that problems of operation and management are quite similar in most countries. The book also shows a trend towards the use of biofilm reactors and away from activated sludge systems.

Contents

Section headings and selected papers: Preface. National Experiences. USACERL's experiences with small wastewater treatment plants in the USA, E D Smith & R J Schol;e Jr. Reed Bed Systems and Ponds. The design and operation of waste stabilization ponds in tourist areas of mediterranean Europe, D D Mara & M H F Mar;cos do Monte. Infiltration and Sand-filter Systems. Technology assessment of wastewater treatment by soil infiltration systems, P D Jenssen & R L Siegr;st. Activated Sludge - Biological Treatment. Modification of small activated sludge plants to recycled systems for nitrogen removal and control of settling properties, A Brenner. Biofilm - Biological Treatment. Suitability of different biological sewage treatment systems, K Bucksteeg. Chemical and Tertiary Treatment. Advanced chemical treatment with flocculation in pipes, A Latvala. Sludge Handling. Dewatering of sludge by natural methods, S Marklund. Design and Operation. Raising the standard of operation of small sewage works, J L Dakers & A G Cockb;rn. Management and Special Wastes. Urban drainage strategies for small communities in developing countries, M Grottker & A Khelil.; Innovations and Special Designs. Fully biological wastewater treatment without energy consumption, L Csepai. Subject index. New patents. 250 lit. refs. approx., 190 illus. approx.

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