A flotation plant which comprises at least one flotation tank (1), which, when in use, accommodates a mixing and/or bubble forming equipment (2) including a rotor (3) connected to a rotatable drive shaft (4). A drive module (5) is disposed on top of the flotation tank (1). The drive module (5) includes at least two drive units (D) for the rotation of the drive shafts (4). The drive module is a rigid and self-supporting unit capable of being transferable and hoistable as an integral entity.
