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Araceway pond is a shallow artificial pond used in the cultivation ofalgae.[1][2]
The pond is divided into a rectangular grid, with each rectangle containing one channel in the shape of an oval, like an automotive raceway circuit. From above, many ponds look like amaze. Each rectangle contains apaddle wheel to make the water flow continuously around the circuit.
TheDepartment of Energy'sAquatic Species Program experimented with raceway ponds for the cultivation of algae.[1] Many commercial producers ofspirulina still use raceway ponds as their primary method of cultivation. Raceway ponds were used for removal of lead from waste water usingbiosorption bySpirulina (Arthospira) sp.[3]