Abstract: The invention provides apparatus for removing solids from a liquid stream, the apparatus comprising: a separating chamber having a liquid inlet at an upstream end thereof, a central first outlet at a downstream end of the chamber and a second outlet disposed radially outwardly of the central first outlet; the liquid inlet being in communication with a source of pressurised liquid and comprising at least one angled channel passing through a nozzle block and opening out into the separating chamber; a spinner rotatably mounted inside the separating chamber and having a plurality of vanes; the separating chamber and spinner being arranged such that, in use, pressurised liquid passing through the angled channels of the liquid inlet is incident upon the vanes of the spinner so as to rotate the spinner and thereby swirl liquid entering the separating chamber to form a vortex, the pressurised liquid being the sole means of rotating the spinner, the vortex bringing about centrifugal separation of components of the

Abstract: A centrifugal separator apparatus for separating components of a fluid stream; the apparatus comprising a support structure and a centrifugal separator unit rotatably mounted on the support structure so as to be rotatable about a rotational axis extending through the centrifugal separator unit; a drive element for driving rotation of the centrifugal separator unit; wherein the centrifugal separator unit comprises a centrifugal separation chamber having an inlet which is connected or connectable to a source of fluid requiring separation, a first outlet for collecting a higher density component of the fluid stream, and a second outlet for collecting a lower density component of the fluid stream; the first outlet being connected or connectable to a first collector for collecting the higher density component and the second outlet being connected or connectable to a second collector for collecting the lower density component; the centrifugal separation chamber comprising a curved or inclined guide surface for g

Abstract: The invention provides an apparatus for separating components of a fluid stream comprising a first centrifugal separator and a further separator; the first centrifugal separator comprising: a support structure and a centrifugal separator unit rotatably mounted on the support structure so as to be rotatable about a rotational axis extending through the centrifugal separator unit; a drive element for driving rotation of the centrifugal separator unit; wherein the centrifugal separator unit comprises a centrifugal separation chamber having an inlet which is connected or connectable to a source of fluid requiring separation, a first outlet for collecting a higher density component of the fluid stream, and a second outlet for collecting a lower density component of the fluid stream; the first outlet being connected or connectable to a first collector for collecting the higher density component and the second outlet being connected or connectable to a second collector for collecting the lower density component.

Abstract: A centrifugal separator apparatus for separating components of a fluid stream; the apparatus comprising a support structure and a centrifugal separator unit rotatably mounted on the support structure so as to be rotatable about a rotational axis extending through the centrifugal separator unit; a drive element for driving rotation of the centrifugal separator unit; wherein the centrifugal separator unit comprises a centrifugal separation chamber having an inlet which is connected or connectable to a source of fluid requiring separation, a first outlet for collecting a higher density component of the fluid stream, and a second outlet for collecting a lower density component of the fluid stream; the first outlet being connected or connectable to a first collector for collecting the higher density component and the second outlet being connected or connectable to a second collector for collecting the lower density component; the centrifugal separation chamber comprising a curved or inclined guide surface for g

Abstract: The invention provides an apparatus for providing potable water, which apparatus comprises a plurality of components linked in series to provide a flow path through the apparatus, wherein the plurality of components comprises: (i) an inlet (4) for a stream of contaminated water requiring purification; (ii) a centrifugal separator (20) for separating the contaminated water stream into a partially purified water stream and a contaminant stream; (iii) a pre-filter pump (26); (iv) a pre-filter pressure sensor (30); (v) a first filter assembly (32) comprising one or more filter modules for removing particles of a predetermined size and/or removing organic contaminants from the partially purified water stream; (vi) a post-filter pressure sensor (38); (vii) a post-filter pump (40); (viii) a second filter assembly comprising one or more reverse osmosis filters (48); (ix) a UV steriliser unit (52); and (x) an outlet (6) for purified potable water; and wherein the apparatus further comprises an electronic controller (

Abstract: The invention provides an apparatus for separating components of a fluid stream, the apparatus comprising: (a) a support structure on which is mounted a rotatable centrifugal separator chamber in which separation of the components of the fluid stream occurs; (b) a fluid inlet for introducing a pressurised source of the fluid stream to be separated into the centrifugal separator chamber; (c) a fluid outlet for collecting one or more separated components of the fluid stream; (d) a vortex-creating device which rotates in order to introduce a vortex to the fluid stream in the centrifugal separation chamber thereby to bring about centrifugal separation of the components of the fluid stream; and wherein the centrifugal separator chamber and vortex-creating device are configured to rotate independently of each other. The invention also provides a method for separating components of a suspension, the method comprising passing the suspension through an apparatus as described herein.

Abstract: The invention provides an apparatus for providing potable water, which apparatus comprises a plurality of components linked in series to provide a flow path through the apparatus, wherein the plurality of components comprises: (i) an inlet (4) for a stream of contaminated water requiring purification; (ii) a centrifugal separator (20) for separating the contaminated water stream into a partially purified water stream and a contaminant stream; (iii) a pre-filter pump (26); (iv) a pre-filter pressure sensor (30); (v) a first filter assembly (32) comprising one or more filter modules for removing particles of a predetermined size and/or removing organic contaminants from the partially purified water stream; (vi) a post-filter pressure sensor (38); (vii) a post-filter pump (40); (viii) a second filter assembly comprising one or more reverse osmosis filters (48); (ix) a UV steriliser unit (52); and (x) an outlet (6) for purified potable water; and wherein the apparatus further comprises an electronic controller (

Abstract: The invention provides an apparatus for separating components of a fluid stream comprising a first centrifugal separator and a further separator; the first centrifugal separator comprising: a support structure and a centrifugal separator unit rotatably mounted on the support structure so as to be rotatable about a rotational axis extending through the centrifugal separator unit; a drive element for driving rotation of the centrifugal separator unit; wherein the centrifugal separator unit comprises a centrifugal separation chamber having an inlet which is connected or connectable to a source of fluid requiring separation, a first outlet for collecting a higher density component of the fluid stream, and a second outlet for collecting a lower density component of the fluid stream; the first outlet being connected or connectable to a first collector for collecting the higher density component and the second outlet being connected or connectable to a second collector for collecting the lower density component.

Abstract: A centrifugal separator apparatus for separating components of a fluid stream; the apparatus comprising a support structure and a centrifugal separator unit rotatably mounted on the support structure so as to be rotatable about a rotational axis extending through the centrifugal separator unit; a drive element for driving rotation of the centrifugal separator unit; wherein the centrifugal separator unit comprises a centrifugal separation chamber having an inlet which is connected or connectable to a source of fluid requiring separation, a first outlet for collecting a higher density component of the fluid stream, and a second outlet for collecting a lower density component of the fluid stream; the first outlet being connected or connectable to a first collector for collecting the higher density component and the second outlet being connected or connectable to a second collector for collecting the lower density component; the centrifugal separation chamber comprising a curved or inclined guide surface for g

Abstract: An apparatus for removing impurities from a fluid stream includes a support structure, a separator unit rotatably mounted on the support structure, and a motor and/or an array of vanes for rotating the separator unit on the support structure. The separator unit has a longitudinal axis of rotation extending through a longitudinal tube disposed centrally within the separator unit. The longitudinal tube is connected or connectable to a pressurized source of fluid requiring separation, the longitudinal tube having one or more openings for receiving fluid under pressure from the said source and one or more lateral openings for introducing the fluid into the separator unit.

Abstract: The invention provides an apparatus for removing impurities from a fluid stream; the apparatus comprising a filtration unit rotatably mounted on a support structure, the filtration unit having a longitudinal axis of rotation A extending through a longitudinal tube (2) disposed centrally within the filtration unit; the longitudinal tube (2) being connected or connectable to a pressurised source of fluid requiring purification; the longitudinal tube having one or more openings for receiving fluid under pressure from the said source and one or more lateral openings (14) for introducing the fluid into the filtration unit; wherein the filtration unit comprises, in addition to the longitudinal tube: (a) a centrifugal separation chamber (60) for separating suspended particulate matter of a first size range from the fluid stream; (b-i) an array of secondary filters (51), (53), (55) downstream of the centrifugal separation chamber for removing impurities of a predetermined type from the fluid stream; (c) a flow spl