Abstract: An apparatus for converting the septic tank into an aerobic treatment system has a clarifier with a collapsible wall which allows the clarifier to fold in order to pass through the opening of the septic tank and to unfold upon entry into the septic tank, an aerator having a size suitable for passing through the opening of the septic tank in position between the wall of the clarifier and a wall of the septic tank, and an air pump connected to the aerator so as to pass air to the aerator. The clarifier has an opening at a bottom thereof having a diameter no greater than a diameter of the top of the clarifier. The effluent outlet pipe is received in an aperture formed in a wall of the clarifier.

Abstract: An apparatus for aerating liquid in a wastewater treatment tank having a submergible motor with a shaft extending outwardly therefrom, a supporting member affixed to the submergible motor and adapted to maintain the submergible motor in a position within the liquid in the wastewater treatment tank, a propeller affixed to the shaft of the submergible motor, a housing extending around the propeller and the shaft, and an air tube connected to the housing and adapted to pass air interior of the housing between the propeller and the motor. The housing has a tubular configuration with a diameter slightly greater than the diameter of the propeller. The housing will extending beyond an end of the propeller opposite the shaft. The air tube extends so as to have one end affixed to the housing and communicating with an interior of the housing at an opposite end opening to an area outside of the liquid in the wastewater treatment tank.

Abstract: A wastewater treatment system having an aeration tank (20) is provided with an operations control center (12) that includes a controller (64) and an aerator pump (50) mounted atop a base (58), which is in turn mounted atop a platform (56). A plurality of electrical lines (66) extend from the controller through respective conduits (90, 92, 94, 96). The conduits extend through and are sealingly engaged by holes in the base and the platform. A compression fitting (136) and coupler (154) are included to provide a fluid-tight seal. This arrangement is advantageous because it prevents corrosive gases from entering the operations control center and corroding the terminals thereof. Also described is a wastewater treatment system that includes a pretreatment tank (244), an aeration tank (20), and a pump tank (202) secured together by a connector that includes bands (260, 262) and spacing means (264, 268) for maintaining a fixed-spaced relationship between the tanks.

Abstract: A wastewater treatment system having a treatment tank with an inlet and an outlet, a pump tank having an inlet in fluid communication with the outlet of the treatment tank, and a connector affixed to a wall of the treatment tank and to a wall of the pump tank so as to maintain the treatment tank and the pump tank in fixed spaced relationship to each other. A pretreatment tank has an outlet in fluid communication with the inlet of the treatment tank. The connector is affixed to the wall of the pretreatment tank so as to maintain the pretreatment tank and the treatment tank in fixed spaced relationship to each other. The bottoms of the treatment tank, the pump tank and the pretreatment tank are arranged in coplanar relationship. The connector is in the form of a band extending around a portion of a circumference of the walls of the treatment tank, the pump tank and the pretreatment tank.

Abstract: A high strength wastewater treatment system having a first tank with an inlet and an outlet, an aerator positioned within the first tank for passing oxygen into wastewater within the first tank, a second tank having a clarifier compartment positioned therein, an aeration device positioned in the second tank for passing oxygen into a liquid within the second tank, and a pipe connected to the first tank and the second tank for passing liquid from the second tank to the first tank. The second is interconnected to the outlet of the first tank. The second tank has an outlet extending from the clarifier compartment. In particular, the pipe has an end opening within the second tank and a diffuser connected to the pipe within the first tank. The diffuser is a venturi diffuser having a narrow section and a wide section. An air pump is connected to the venturi diffuser for injecting air into the narrow section. This delivery of air serves to draw liquid from the second tank through the pipe and into the first tank.

Abstract: A wastewater treatment system having a tank with an aeration compartment and a clarifier compartment, an air pump affixed to a top of the tank and having an air line delivering air to the aerator of the aeration compartment. The air line extends through an interior of the tank. A control panel is also affixed to a top of the tank. The control panel is electrically connected to the air pump. A raised platform is formed on the top of the tank such that an outer periphery of the platform intersects at least at one point of the cylindrical wall. The top of the tank also has an access opening formed therein located along the periphery of the cylindrical wall diametrically opposite the platform. The air pump is affixed to the horizontal platform. A housing is attached to the platform. The housing extends over the air pump and the control panel. The housing includes a base affixed to the platform and a cover removably affixed to the base so as to extend over and around the air pump and the control panel.

Abstract: A wastewater treatment system having a tank with an inlet and an outlet and an offset access opening residing at a top of the tank, a clarifier compartment positioned within the tank, an aeration compartment formed within the tank around an exterior of the clarifier compartment, and aerators extending into the aeration compartment so as to supply air to the wastewater within the aeration compartment. The access opening is formed between a center of the top and an outer wall of the tank. Each of the aerators includes an air inlet, a conduit connected to the air inlet, a diffuser assembly connected to an end of the conduit opposite the air inlet and an anchor connected to the diffuser assembly opposite the conduit so as to maintain the diffuser in a fixed position within the aeration compartment. The diffuser assembly has a plurality of diffusers formed thereon.

Abstract: A wastewater filter having a fluid inlet, a fluid outlet, a first body portion connected to the fluid inlet, a second body portion connected to the first body portion, a filter support disposed in the second body portion between the first body portion and the fluid outlet, and a particulate filter material filling an area between the second body portion and the filter support and extending into the first body portion. The filter support has a plurality of openings formed therein. The total area of the plurality of openings is greater than a horizontal cross-sectional area of the particulate filter material in the first body portion. The particulate filter material filters wastewater passing therethrough.

Abstract: A system for controlling effluent discharge having an inlet for passing wastewater, a filter connected to the inlet for removing solids from the wastewater, a filtered water retaining tank connected to the outlet of the filter for accumulating a portion of the water passed from the filter, a filtered water outlet connected to the outlet of the filter so as to pass filtered water exterior of the system, and a controller connected to the filtered water retaining tank so as to selectively pass a flow of the accumulated water into the filter. The filter includes a first body portion connected to the inlet, a second body portion connected to the first body portion, a filter screen disposed in the second body portion between the first body portion and the outlet and having a plurality of openings therein, and a particulate filter material filling an area between the second body portion and the filter screen.

Abstract: A system for controlling effluent discharge having an inlet for passing wastewater, a filter connected to the inlet for removing solids from the wastewater, a filtered water retaining tank connected to the outlet of the filter for accumulating a portion of the water passed from the filter, a filtered water outlet connected to the outlet of the filter so as to pass filtered water exterior of the system, and a controller connected to the filtered water retaining tank so as to selectively pass a flow of the accumulated water into the filter. The filter includes a first body portion connected to the inlet, a second body portion connected to the first body portion, a filter screen disposed in the second body portion between the first body portion and the outlet and having a plurality of openings therein, and a particulate filter material filling an area between the second body portion and the filter screen.

Abstract: A chlorinator apparatus having a cannister with an interior for receiving a plurality of tablets therein, a plate affixed within the cannister and having a surface for supporting one of the tablets thereon, a fluid inlet positioned on the cannister to the plate for directing fluid flow toward the tablet on the plate, and a fluid outlet formed in the cannister so as to pass fluid flow from the cannister. The cannister has a generally cylindrical configuration. A diverter member is affixed to the plate adjacent the fluid inlet so as to divert fluid flow from the fluid inlet, The diverter is a generally V-shaped member having a narrow end adjacent the fluid inlet. The plate has an orifice formed therein so as to be in communication with the fluid outlet. A plurality of legs are formed on the plate so as to extend upwardly from the top surface of the plate.

Abstract: An aeration apparatus for a wastewater treatment plant having an air line connected to an air source, a drop line connected in fluid communication with the air line, a check valve positioned in the drop line between an orifice at the bottom of the drop line and the air line, and a diffuser member extending around the orifice on the drop line. The check valve serves to prevent liquid from passing therethrough. The drop line includes a tube which extends downwardly from the air line, an upper adapter fastened to an end of the tube opposite the air line, and a lower adapter engaging the upper adapter in fluid communication with said tube. The upper adapter is a male threaded member and the lower adapter is a female threaded member. The check valve is affixed within the lower adapter adjacent to the female threads. The check valve includes a disk having a plurality of holes extending therethrough and a resilient flap valve extending over the holes and juxtaposed against the disk.