Audio long-read: How dangerous is Africa’s explosive Lake Kivu?
Nature Podcast
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How to Extract Methane From a Lake
Sheime power's project director, tony de la motte, declined to answer nature's questions about the plant schedule or details of its operation. The degast water still contains high levels of nutrients and toxic hydrogen sulphide so returning it too near the surface could kill fish and lead to harm algal blooms. It is also salty and laden with c o two, making it relatively dense. If released into the lake at too shallow a depth, the degast water would sink - potentially disturbing the main density gradient that keeps the gassy waters trapped below.
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