This paper will discuss installation and design considerations of constructing a 200m x 150m floating cover over an active anaerobic lagoon which has a 150m long floating wall/gas cut off between anaerobic and aerobic portions of the lagoon. A $1.5 million (Aust.) project, the cover was installed over a period of 12 weeks. Complaints about odours from the lagoon had incr,eased due to the population growth in the local area. Pressure from this community created the urgency for a solution.
The gas extraction and flaring equipment was a large component of the contract and considerable time and effort was spent on creating a facility that had the ability to accurately control the degree of inflation of the floating cover. The successful commissioning of one of the largest floating covers of its type paves the way for further floating covers and associated electricity generation plants.
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