The Re-use Of Used Bleaching Earth

- Mar 08, 2018 -

It could be re-extracted with its own extraction system.

Separating the oil and fat by solvents or dilute sodium lye, if the quality be OK, the separated oil and fat can also be used by human or animal foods as well as other technical research.

With the remained oil, used bleaching earth is a great raw material for energy carrier for cements and brick production. It contains 30-35% calorific value which is similar as brown coal.

It could also be added into biogas reactors to increase the yield.

Used bleaching earth could be offered to compost plant for fertilize to improve the soil.

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