The Use of a Deep Shaft for the Waste Water Treatment Plant of Orgamol SA

by Roger P. Favre, Locher & Cie Inc, Zuerich, Switzerland,

Document Type: Proceeding Paper

Part of: Air-Water Mass Transfer

Abstract: The first version of a new deep aeration system has been built for Orgamol SA, a chemical plant in the Rhone valley, Switzerland. Construction, operation and oxygen transfer mode of the deep-shaft aeration are presented and explained. The results of a two year exploitation period are interesting. They show high COD and BOD elimination in this single stage and a number of other advantages. They also show how to best design the next two deep-shafts for the 2nd stage. The system is patented in Europe, USA (US Nr. 4,392,954) and Canada.

Subject Headings: Wastewater treatment plants | Water treatment plants | Waste treatment plants | Shafts | Oxygen transfer | Aeration | Construction management | Mass transfer | Chemicals | Wastewater treatment | Oxygen demand | North America | Europe | Switzerland | United States | Canada

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