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This is like Christmas, second time today Iām getting to yap!
Okay so the effluent in this plant is from te production of vegetable oil and is usually soya based. When it arrives, the components undergo flocculation and coagulation and pH treatment from the action of alum and lime, and then it separates into layers. There is a layer that is mostly water adjacent, and it is separated, but for the top layer that is still highly greasy, they go into these steel tanks that are heated, and then sulphuric acid is added to it. With a bit more heating, the nameless acid oil is converted into sulphonic acid, useful for soap production.
The other components are sedimented to separate the water and the last of the flocculated oil (which is pressed into sludge cubes). The water is then aerated to meet its Biochemical Oxygen Demand and Chemical Oxygen Demand, at which point it is back to being environmentally safe and is released into neighbouring farms. 0 reply
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