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


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 | Shafts | Waste treatment plants | Oxygen transfer | Wastewater management | Chemicals | Construction management | Europe | United States | Switzerland | Canada

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