Abstract: According to the present invention there is provided a separation device for separating a fluid, said fluid comprising multiple components, into at least two components comprising: a support structure; at least one conduit mounted on or within said support structure for rotation about an axis; at least one inlet for introducing a flow of said fluid into said at least one conduit; and at least one outlet for outputting at least one of said components therefrom; wherein the said at least one conduit is configured such that, in use, when said flow of said fluid is applied thereto, said conduit is thereby caused to rotate on or within said support structure about said axis, thereby separating said fluid into at least two components.