Stock Photo - Sewage treatment Storage tower at a sewage works used for the anaerobic bacterial treatment of industrial and domestic effluent The sewage is treated with an enzyme to make it soluble and then stored in these tanks, which exclude air It is broken down by bacteria into gases mainly methane and a humus-like material before moving on to the next stage of treatment Photographed in Israel, Sharon District

Stock Photo: Sewage treatment  Storage tower at a sewage works used for the anaerobic bacterial treatment of industrial and domestic effluent  The sewage is treated with an.

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