Example embodiments relate to a separator system comprising a compartment body defining an interior cavity, the interior cavity formed by interior walls of the compartment body. The separator system may further comprise an input section operable to receive an input mixture for housing in the interior cavity. The separator system may further comprise an output section. The separator system may further comprise a particulate-directing subsystem. The particulate-directing subsystem may comprise a disturbance assembly arranged along at least a bottom portion of the interior cavity. The disturbance assembly may comprise at least one rotary member operable to rotate in a first rotary direction and a second rotary direction. The particulate-directing subsystem may further comprise a discharge assembly arranged proximate to the output section. The discharge assembly may be configured so as to encourage particulates of the input mixture present in the interior cavity to pass through the output section.

Embodiments are described for separating/collecting components from a multi-component fluid such as whole blood. Some embodiments provide for controlling the amount of a component, such as platelets, introduced into a separation chamber to ensure that the density of fluid in the separation chamber does not exceed a particular value. This may provide for collecting purer components. Other embodiments may provide for determining a chamber flow rate based on a concentration of a component in the multi-component fluid, which may then be used to determine a centrifuge speed, to collect purer concentrated components.

A de-sanding tank with a conical bottom. The de-sanding tank includes an enclosed tank having a vertical wall that extends down to a flat bottom. A conical bottom is disposed within an interior of the tank. The conical bottom is secured to the vertical wall forming an enclosing space bounded by a wall of the conical bottom and the vertical wall and flat bottom of the tank. A solids outlet is disposed at a lower tip of the conical bottom configured for removal of solids. The conical bottom is supported by a foam structure located within the enclosing space.

A settling tank apparatus for removing solids from a solids-containing fluid, having a vertical cylindrical portion and a bottom portion having a downwardly-extending substantially torispherical, ellipsoidal, hemispherical or frusto-conical shaped curved interior surface. A jetting fluid source is provided in a lower region of the tank, preferably in the bottom of the tank, which directs a jetting fluid in a tangential direction in a plane substantially perpendicular to said longitudinal axis of the tank, to enhance rotational swirling of a created vortex in the bottom of tank when solids are drained therefrom, to thereby reduce deposition and build up of settled solids on the curved interior of the bottom of the tank. A system incorporating a plurality of tanks of such design and a method for removing solids from a solids-containing fluid using a tank of such design, is further disclosed.

A high-rate sedimentation tank includes a hopper configured to be supplied with raw water including floc, at least one circular orifice pipe disposed at a lower portion of the hopper and configured to have the floc deposited therein as a sludge while passing the floc included in the raw water therethrough, and a sludge outlet configured to discharge the sludge deposited by passing through the circular orifice pipe to an outside of the hopper.

An apparatus to lift liquid from a reservoir of liquid and aerate the liquid. A downwardly opening enclosure has an inlet for liquid to flow from a reservoir into the enclosure. The enclosure includes a channel for the liquid to flow upward. An inner cone within an outer cone forms a gas chamber connected to an external gas compressor. Holes in the gas chamber walls allow the gas to flow into the channel and aerate the liquid which is returned to the reservoir.

An aim of the invention is to provide a bioreactor and a waste water treatment method that employs this tank, whereby anaerobic and aerobic microorganism treatment can be continuously carried out, even when the volume of the bioreactor is large, and whereby installation costs can be minimized. The invention comprises an outer tank (2), a cylindrical inner tank (3) disposed inside this outer tank and having openings above and below, a circulation rate control device (4) for controlling the circulation rate of water to be treated in the bioreactor, the circulation rate control device (4) being provided at an upper part of this cylindrical inner tank, a cylindrical control plate (5) for bringing about sedimentation of sludge, the cylindrical control plate (5) being provided at the outer circumference of an upper part of the cylindrical inner tank, a treated-water quality measurement device (6) that is provided outside and inside of the cylindrical inner tank, a waste water supply opening (10) that is provided in the circulation pathway of the water to be treated circulating through the outer tank and inner tank, a treated water discharge opening (11) that is provided in an upper part of the outer tank, and a sedimentation-solidification prevention device (12) for preventing sedimentation-solidification of sludge that has sedimented.

A sedimentation plate, a sedimentation assembly, and a sedimentation module are provided. The sedimentation plate includes a flat plate; a plurality of first rib plates arranged at intervals, parallel to each other, and perpendicular to a first surface of the flat plate; and a plurality of second rib plates arranged at intervals, parallel to each other, and perpendicular to a second surface of the flat plate. The first rib plates are perpendicular to the second rib plates. A water channel is formed between each two adjacent first rib plates. A mud channel is formed between each two adjacent second rib plates. The sedimentation assembly includes a plurality of sedimentation plates. The sedimentation module includes the sedimentation assembly.

A method and system for controlling an interface emulsion layer within an oil treatment vessel includes injecting a water flow through a plurality of radial eductors arranged about a radial eductor manifold located in the brine water layer. Each radial eductor is oriented vertically to the radial eductor manifold and the horizontal axis of the oil treatment vessel. The water flow through the plurality of radial eductors causes a swirling flow pattern in a volume of water around each radial eductor that is effective for promoting a collapse of the interface emulsion layer. The water flow through each radial eductor, which may be a recycled water flow, may be in a range of about 1 to 5 feet per minute.

A de-sanding tank with a conical bottom. The de-sanding tank includes an enclosed tank having a vertical wall that extends down to a flat bottom. A conical bottom is disposed within an interior of the tank. The conical bottom is secured to the vertical wall forming an enclosing space bounded by a wall of the conical bottom and the vertical wall and flat bottom of the tank. A solids outlet is disposed at a lower tip of the conical bottom configured for removal of solids. The conical bottom is supported by a foam structure located within the enclosing space.