Abstract: A water recycling unit for use with a reservoir of water, comprising: a water tank; a water inlet on said tank; and a water outlet on said tank for connection to said reservoir of water, the water inlet being adapted to receive water from the reservoir of water into said water tank, and the water outlet being adapted to supply water to said reservoir, wherein the water outlet is located at a top of said water tank and the water inlet is located below said water outlet, wherein the water tank comprises a settling arrangement and the unit comprises a coagulant delivery means either at or before said water inlet.

Abstract: Mobile cleaning equipment comprising a powered wheeled vehicle (50) with an integral driver's cab (51) containing vehicle drive controls and a water supply tank (52) carried by the vehicle (50). The vehicle (50) also has a ground- or floor-engageable cleaning head (88) having, outlet jets and also a peripheral suction channel. A powered pressure pump (60) connected between the water supply tank (52) and the outlet jets of the cleaning head (88), and a rotary suction device (84) is connected between the suction inlets and the water supply tank (52). The mobile cleaning equipment also comprises at least one filter (85, 74, & 75) arranged between the water supply tank (52) and said powered pressure pump (60).