Water treatment equipment

摘要: The water treatment equipment (10) includes a floating structure (12) that, submerged in the at an adjustable depth and with orientation vertical plane as well, supports operative unit (30) including propeller (50) driven by submersible motor, decompression chamber (38) having least one air inlet (42) communicating suction pipe (24, 26) that emerges (44) above open surface of water, outlet (46) well; is entirely outside (38); hub (48) hollow communicates (38). A conventional seal device ensures sealing between fixed part (30).