Abstract: A sewage treatment apparatus includes a membrane separation active-sludge treating section which performs a biological treatment on a part of sewage, which is introduced by a water introducing section while flowing through a sewer trunk line, to generate first treated sewage; a membrane highly treating section which performs a membrane high treatment on the first treated sewage to generate second treated sewage; a membrane treating tank which stores the first treated sewage; a membrane highly treating tank which stores the second treated sewage; water level sensors which respectively measure water level of the membrane treating tank and the membrane highly treating tank; and a power-control section which controls water introducing quantity of the water introducing section on the basis of the water level data measured by the water level sensors.

Abstract: A reservoir for use with a blood collection system includes a housing, a pre-filter, and a spring mechanism. The housing defines a cavity and has an inlet for receiving fluid from a source. The pre-filter is located within the cavity, removes particulates contained within the fluid, and allows the fluid to pass through the pre-filter. The spring mechanism is connected to the pre-filter and allows the pre-filter to travel within the cavity as the pre-filter collects particulates.

Abstract: Apparatus (200) for the application of topical negative pressure therapy to a user of the apparatus (200) is described together with a method for protecting said apparatus (200) when subjected to abnormal stresses, the apparatus (200) comprising a device (202) and a waste canister (204) releasably connected thereto wherein the device (202) and waste canister (204) are connected together by clip means (222), said clip means (222) being subject to failure upon application of abnormal stresses thereby permitting separation of the device (202) and waste canister (204).

Abstract: A fuel filter system, especially for Diesel engines includes filter housing (1) having a fuel inlet (27) and a fuel outlet (29) and a dehydrating filter medium (23) between the inlet and the outlet for the fuel to pass through. The filter housing (1) has a collection chamber (35) for the water trapped by the filter medium from which collection chamber the water can be supplied to a water absorbing and evaporating device (49) via a controlled dispenser (45). The components of the evaporating steam are releasable into the environment through the evaporating steam outlet (51). The water absorbing and evaporating device (49) has a valve arrangement (59, 61) by which the evaporating water outlet (51) can be closed depending on an inadmissible amount of non-evaporated water (55) collected in the evaporating device (49).

Abstract: The device described in the present invention can separate fine solid particles in suspension in a viscous liquid, withdrawing a clear liquid from the top of the device, and a dense liquid charged with solid particles is withdrawn from the bottom. The invention also concerns the application of this device to the separation of catalyst particles in a liquid phase Fischer-Tropsch synthesis process.

Abstract: A cutting fluid filtering device having a filter washing function drives a pump to supply a cutting fluid to a filter when the fluid level of a tank that stores the cutting fluid filtered by the filter becomes equal to or lower than a predetermined height. In addition, the cutting fluid filtering device issues an instruction to execute washing of the filter when the operation times of the pump are totalized and the total value becomes equal to or longer than a preset washing operation interval time of the filter.

Abstract: Skimmers, barges and related methods recover heavy oil or bitumen from contaminated water environments such as tailings ponds. The skimmer has an articulated mesh-like conveyor driven around a drum by a drive sprocket. A pusher mechanism discharges bitumen or heavy oil from cavities in the conveyor. In one embodiment, the skimmer includes an automatic depth control system. In other embodiments, knife-edged shear plates remove heavy oil or bitumen adhering to the conveyor and drum. A barge may incorporate multiple parallel skimmers. The barge may include a bitumen-transfer pump having an annular fluid-injection flange that generates an annulus of lubricating fluid inside a discharge hose. A method of skimming heavy oil or bitumen involves using a skimmer that automatically adjusts its elevation or depth based on a control signal generated by a depth sensor. Another method recovers and transfers bitumen by lubricating the discharge hose using the annular fluid-injection flange.

Abstract: A kidney failure treatment system includes: (i) a dialysate supply; (ii) a weighing device; a control container coupled operably to the weighing device; (iii) a diffusion membrane; (iv) a drain; first and second pumps; (v) a first fluid conduit coupled fluidly to the dialysate supply and the diffusion membrane, the first fluid conduit coupled operably to the first pump; (vi) a second fluid conduit coupled fluidly to the control container and the drain, the second fluid conduit coupled operably to the first pump; and (vii) a third fluid conduit coupled fluidly to the diffusion membrane and the control conduit, the third fluid conduit coupled operably to the second pump.

Abstract: A kidney failure treatment system includes: (i) a dialysate supply; (ii) a weighing device; a control container coupled operably to the weighing device; (iii) a diffusion membrane; (iv) a drain; first and second pumps; (v) a first fluid conduit coupled fluidly to the dialysate supply and the diffusion membrane, the first fluid conduit coupled operably to the first pump; (vi) a second fluid conduit coupled fluidly to the control container and the drain, the second fluid conduit coupled operably to the first pump; and (vii) a third fluid conduit coupled fluidly to the diffusion membrane and the control conduit, the third fluid conduit coupled operably to the second pump.

Abstract: A renewable energy microgeneration system is disclosed. The system comprises one or more portable containers that include a plurality of small holding tanks that are configured to perform at least one of pasteurization and thermophilic anaerobic digestion on waste, a large holding tank that is configured to perform mesophilic anaerobic digestion on the waste after at least one of pasteurization and thermophilic anaerobic digestion is performed, and a de-watering unit that is configured to dry what remains of the waste after mesophilic anaerobic digestion is performed. The system further comprises a controller for automatically moving the waste between the plurality of small holding tanks, the large holding tank, and the de-watering unit as required to facilitate mesophilic anaerobic digestion in the large holding tank. Further, the portable containers are configured to be transported to a site and placed in fluid communication with each other at the site.

Abstract: The water provisioning system mainly contains a selection switch, a water volume switch, a human-machine interface (HMI), a RO waste water recycling device, an electromagnetic valve, a RO water purification device, an antichlor device, an aeration pipe assembly, a first ozone module, and a second ozone module. The selection switch selects a type of water to use. The RO water purification device filters water from a low-temperature water source, stores purified water in a storage barrel, and provides high-quality drinking water. The 70% water from the RO water purification process that fails the drinking water standard is recycled through the RO waste water recycling device. The low-temperature water source is connected to an antichlor device and the water is therefore dechlorinated. The first and second ozone modules are used to produce ozonated water and to release ozone through the aeration pipe assembly into the kitchen cabinet for deodorization and sterilization.

Abstract: A reverse osmosis negative-ion water dispenser comprising a PP filter element, a granular active carbon filter element and a compressed active carbon filter element inside a housing; a low pressure switch, booster pump, an inlet solenoid valve, a RO filter bottle, a RO membrane and two water outlets for concentrated water and pure water respectively are also provided, wherein the water outlet for concentrated water is connected with a flush solenoid valve and a waste water proportioner assembly, the water outlet for pure water is connected with a storage tank through a high pressure switch and a float switch; the storage tank is provided with a high-low level three-line water level switch and connected to a combined hot and cold exchange tank. A negative-ion generating device comprising a solenoid valve, a fast heating equipment and a negative-ion filter device is provided to generate negative-ion.

Abstract: The present invention provides a new and improved system for on-site and on-demand production of sterile water for injection (SWFI) from potable water or water that meets the EPA drinking water quality upon preconditioning, in conjunction with reconstitution of IV fluids using dry chemicals or concentrate pre-filled bags, suitable for use at a site under non-clean room environment conditions, and capable of adjusting feed water temperatures. The present invention includes a water temperature conditioning module, a water preconditioning module, a hydrothermal processor, a fluid staging compartment, and combinations and variations thereof.

Abstract: A device for purifying a liquid is disclosed. The device includes a collecting vessel for an unpurified liquid, a collecting vessel for a purified liquid, a replaceable filter module filled with a filter material and an automatic means for timed injection of air into the collecting vessel for the unpurified liquid during a filtration process. The automatic means is connected to the collecting vessel for the unpurified liquid by an injection nozzle having a pressure control valve. Moreover, the automatic means is for maintaining positive air pressure above the unpurified liquid during the filtration process. Maintenance of positive air pressure during the filtration process increases filtration speed of the liquid with simultaneous increase in degree of purification of the liquid.

Abstract: Provided are an apparatus for filtering water from and oil and gas well and a method of filtering water from an oil and gas well. The filtration unit utilizes gravity fed filtration that is open to the environment.

Abstract: A separation unit for separating oil from oily water has a first oil to water ratio and the separation unit comprises a body which defines an inner chamber and which has a first end-wall and an opposite second end-wall and first and second side-walls that extend between the first end-wall and the second end-wall. The inner chamber is at least partly delimited by the first end-wall and the second end-wall, the first side-wall and the second side-wall. The separation unit further comprises a third wall which constitutes a separation wall extending from the first end-wall towards the second end-wall and divides the inner chamber into a first and a second sub-chamber. An inlet is defined at the first side-wall and the first end-wall and a first outlet is defined at the second side-wall and the first end-wall. A passage is defined at the third wall and the second end-wall and a fluid path from the inlet which passes through the first sub-chamber and the passage and the second sub-chamber to the first outlet.

Abstract: An apparatus for a programmable self sanitizing water dispenser apparatus with a digital controller as well as a programmable method for generating ozone for cleaning the reservoir and the water contained within it. The apparatus includes an anti-spill receiver that houses the controller and that can contain a ozone generator.

Abstract: A method and apparatus is provided for the automated discharge of treated sewage sludge to trucks, via inventory management by tracking the flow of sludge from bins in which it is located to trucks, on a first-in/first-out basis, including automated truck positioning, automated precision truck loading and monitoring and controlling the various interrelated components via a PLC computer program.

Abstract: Systems and methods for performing anaerobic digestion of biomaterials using a clarifier, a batch reactor, and/or a digester are disclosed. The clarifier performs pretreatment processing of biomaterial to improve anaerobic digestion. The batch reactor and/or the digester are coupled to the clarifier and are configured to digest the processed biomaterial. A control system for an anaerobic digestion process includes a flow control system, a temperature control system, and a totalization system. The flow control system controls the flow of biomaterial and the delivery of chemical agents to the biomaterial based on conductivity, temperature, pressure, and/or composition of the biomaterial. The temperature control system includes a heat source and heat exchangers that control the temperature of the biomaterial.

Abstract: A kidney failure treatment system includes: (i) a dialysate supply; (ii) a weighing device; a control container coupled operably to the weighing device; (iii) a diffusion membrane; (iv) a drain; first and second pumps; (v) a first fluid conduit coupled fluidly to the dialysate supply and the diffusion membrane, the first fluid conduit coupled operably to the first pump; (vi) a second fluid conduit coupled fluidly to the control container and the drain, the second fluid conduit coupled operably to the first pump; and (vii) a third fluid conduit coupled fluidly to the diffusion membrane and the control conduit, the third fluid conduit coupled operably to the second pump.

Abstract: A circulation type water purifier prevents production of bacteria and microbes by periodically circulating water and also increases pump life and reduces pump costs by varying circulation times depending on an amount of water used. The purifier includes a filter 100; a purified water storage tank 200; a cold/hot water supply tank 300 having respective outlets for hot and cold water and drain outlets; a sterilizer 900; and a pump 400. Under control of a microcomputer, the pump periodically circulates water through various circulation piping.

Abstract: A system for converting contaminated water, such as produced water, frack flow back water, and other contaminated water from industrial sources into fresh, non-contaminated, or potable water includes a registration and verification unit for registering intake water loads and verifying their content; a receiving system for temporarily isolating each load; an equalization basin for creating an homogenized water source; an electro-coagulation unit in which one or more of the voltage, current, pulse frequency and application time are variable and controlled by one or more of a conductivity sensor; a pH sensor; a level sensor; an ultrafiltration unit for removing organics; a nanofiltration unit; a reverse osmosis unit, and an electrodyalisis unit. The processed concentrate remaining after the water is converted is dewatered via a forward osmosis unit.

Abstract: A combined installation is disclosed for the production of biogas and compost, including a dry fermentation fermenter for producing biogas in a batch mode, a biogas outlet, a purging gas inlet, a biogas line connected to the biogas outlet, a waste gas line, a waste gas chimney connected to the biogas outlet via a first biogas/waste gas line, a waste gas flare connected to the biogas outlet via a second biogas/waste gas line, a fresh air line connected to the purging gas inlet, a control means for connecting the biogas outlet to the biogas line or the biogas/waste gas chimney via the first biogas/waste gas line or the waste gas flare via the second biogas/waste gas line and for connecting the purging gas inlet to the waste gas line or the fresh air line, and a measurement means connected to the control means for detecting methane and carbon dioxide concentrations.

Abstract: A connecting device comprises a buffer chamber (2), a first connecting line (3) between a liquid source (4) and an inlet (5) of the buffer chamber, a second connecting line (9) between an outlet (10) of the buffer chamber and the medical treatment apparatus (11), two valves (7, 8) arranged in series on the first connecting line, a pump (12) on the second connecting line, two liquid level sensors (15, 16) operating in the buffer chamber, a vent valve (18) connected to the buffer chamber. The liquid source is a centralized distribution plant of dialysate, while the medical treatment apparatus is a dialysis apparatus. The invention prevents back-contamination of the centralized plant with disinfectant sourced from the dialysis apparatus.

Abstract: The present invention relates to a filtration method, a filter-incorporated tip and a filtration device, and its object is to perform efficient and swift isolation of a target substance.

Abstract: In order to provide a filter device for filtering a fluid medium containing solids, comprising a backflushing filter and a flushing line, by means of which fluid backflushed during a backflushing phase from the backflushing filter can be supplied to a further treatment mechanism, in which the discharging of dirt from the backflushing filter is simplified, it is proposed that the backflushing filter should have a coarse dirt outlet which is connected to the flushing line so that coarse dirt which has arrived through the coarse dirt outlet into the flushing line can be supplied to the further treatment mechanism together with the backflushed fluid during the backflushing phase.

Abstract: The invention relates to a fuel filter (1) with a device for separating water from the fuel. This device comprises at least one filter screen element (6) placed in a filter housing (2) which is located downstream a filter element (3) for the filtration of particles from the fuel, a tank (15) located under the filter screen element (6) at the filter housing (2) in which the separated water droplets are collected, and a device for deviating the fuel between the filter element (3) and the filter screen element (6).

Abstract: The invention relates to a method for continuous use of a vacuumized water knockout circuit integrated with a contaminated hydraulic-oil reservoir.

Abstract: The present invention is directed to a method and apparatus for improved separation or clarification of solids from a solids-laden liquid. Entrained gasses can also be removed. A liquid to be treated is introduced into the inlet of a solid-liquid separator modified to include one or more sources of vibrational energy. The liquid to be treated is directed through a conduit within the separator. Preferably the conduit within the separator is configured into a tortuous flow path to assist in the separation of solids from the liquid. Vibrational energy is applied to the flow path, preferably through the flow path conduit. As solids fall out of solution, they are collected. The clarified liquid is also collected. A vacuum can be applied to the system to assist in moving the solid-liquid mixture through the system and to provide vacuum clarification. Electrocoagulation electrodes and gas sparging can also be employed.

Abstract: A method and system for metering liquid production at a well comprises an actuated back pressure control valve, a liquid pump, a liquid flow meter and a pressure sensor, both intermediate the liquid pump and the back pressure control valve, and a separator having a liquid discharge conduit, a pressure sensor and a liquid/gas interface sensor disposed to monitor a section of the separator. The liquid pump receives a stream of liquid removed from the monitored section of the separator and moves the liquid stream through the flow meter and the back pressure control valve. A controller receives signals from the pressure sensors and the interface sensor, and operates the liquid pump at a speed to maintain an interface in the monitored section within a predetermined range while positioning the back pressure control valve to maintain the pressure at the flow meter above a pressure at which bubbles may form.

Abstract: Skimmers, barges and related methods recover heavy oil or bitumen from contaminated water environments such as tailings ponds. The skimmer has an articulated mesh-like conveyor driven around a drum by a drive sprocket. A pusher mechanism discharges bitumen or heavy oil from cavities in the conveyor. In one embodiment, the skimmer includes an automatic depth control system. In other embodiments, knife-edged shear plates remove heavy oil or bitumen adhering to the conveyor and drum. A barge may incorporate multiple parallel skimmers. The barge may include a bitumen-transfer pump having an annular fluid-injection flange that generates an annulus of lubricating fluid inside a discharge hose. A method of skimming heavy oil or bitumen involves using a skimmer that automatically adjusts its elevation or depth based on a control signal generated by a depth sensor. Another method recovers and transfers bitumen by lubricating the discharge hose using the annular fluid-injection flange.

Abstract: A biogas plant for methanizing biomass having a high solids fraction includes a digestion tank system having a plurality of digestion tanks adapted to be closed in a gas- and liquid-tight manner, each of which includes a charging and withdrawing opening for charging with biomass and withdrawing the biomass, a biogas discharge means, a percolate reservoir, a percolate drainage means for discharging percolate from the plurality of digestion tanks and supplying the percolate to the percolate reservoir, a percolate distributing means for distributing the percolate from the percolate reservoir over the biomass in the plurality of digestion tanks, and a percolate regulating means for regulating the percolate level in the plurality of digestion tanks. The percolate reservoir includes a first and a second percolate container, and supplying and discharging of percolate to/from the first and/or the second percolate container takes place with the aid of the percolate regulating means.

Abstract: The present invention concerns a filter (5) for a return line (L1, L2) for hydraulic oil to a hydraulic tank (2), which filter (5) comprises a filter element (11). According to the invention, the filter (5) is arranged to filter the hydraulic oil through the filter element (11) when the hydraulic oil lies below a first oil level (H1) in the filter (5), and the filter (5) comprises an arrangement (15) to lead the hydraulic oil past the filter element (11) when the oil level (H) in the filter (5) exceeds the first oil level (H1).

Abstract: Disclosed herein is an apparatus and method for adding a lubricating additive to a diesel fuel.

Abstract: A mobile wastewater separator and recover unit and method for the separation and disposal/recovery of waste water for example in the oil and gas industry. It is fully self-contained and maintains the ability to separate heavy solids, floating contaminants, and water for recovery and reuse or disposal as required. Main components of the system are a large wastewater holding capacity implementing various compartments & separator/recovery mechanisms, evaporation compartments that are interchangeable for efficiency in both warm & extreme cold temperature operations, and finally a condensation recovery system and clean water holding compartment.

Abstract: A mobile wastewater separator and recover unit and method for the separation and disposal/recovery of waste water for example in the oil and gas industry. It is fully self-contained and maintains the ability to separate heavy solids, floating contaminants, and water for recovery and reuse or disposal as required. Main components of the system are a large wastewater holding capacity implementing various compartments & separator/recovery mechanisms, evaporation compartments that are interchangeable for efficiency in both warm & extreme cold temperature operations, and finally a condensation recovery system and clean water holding compartment.

Abstract: A novel system and method for fluid management for accurate continuous venovenous hemofiltration (CWH) in extracorporeal membrane oxygenation (ECMO). The fluid management or CWH system is automated and configured for operation as a stand alone unit and can be easily integrated with an ECMO system. The fluid management system is capable of producing either perfect or negative fluid balance between ultrafiltrate removal and replacement fluid delivery. The fluid management system can achieve electrolyte replacement over a range of flow rates needed to care for patients ranging from neonates to adults. Finally, the novel fluid management system preserves patient safety, maintains sterility during operation, is easy to operate, and is compact enough to fit near a patient's bed.

Abstract: A water pack enables water purification in the field. An illustrative water pack can comprise first and second bladders configured to respectively hold treated and untreated water and comprising a filter connector configured to receive and hold a filter between the first and second bladders. A gas bladder connector can be coupled to the first bladder in a configuration to receive and hold a gas bladder internal to the first bladder. A regulator coupled to the gas bladder connector can be configured to attach a pump and regulate pressurization of gas driven by the pump in the gas bladder at a predetermined pressure and volume.

Abstract: A method for tracking a pollution source in process water is presented. Firstly, variation curves of drain water drained from different rinsing tanks are respectively obtained, and a water quality concentration of the drain water drained to a buffer tank is detected, so as to output a water quality variation curve. Then, an analytical comparison is performed on each drain water amount variation curve and the water quality variation curve within a same time interval, so as to output an analytical result of each flow of drain water in a range exceeding a predetermined water quality standard. In this manner, the drain water that exceeds the predetermined water quality standard can be tracked in real-time according to the analytical result, thereby quickly improving the process for discharging the drain water.

Abstract: The present invention relates to a process for separating an aqueous phase from an oil phase of an oil-water mixture (6), which has a pressurized dewatering system (14) having multiphase separation profiles (15). According to the invention, it is essential that the pressurized dewatering system (14) operates in a plurality of stages. In addition, the invention relates to an apparatus (8) for carrying out the process of the invention.

Abstract: A reservoir for use with a blood collection system includes a housing, a pre-filter, and a spring mechanism. The housing defines a cavity and has an inlet for receiving fluid from a source. The pre-filter is located within the cavity, removes particulates contained within the fluid, and allows the fluid to pass through the pre-filter. The spring mechanism is connected to the pre-filter and allows the pre-filter to travel within the cavity as the pre-filter collects particulates.

Abstract: A device, system and method are provided for treating water, in which a water treating agent is prepared and dispensed to an untreated drinking water source in discrete and consecutive control volumes enabling untreated water in the untreated water source to be treated thereby to provide potable water.

Abstract: An improved water sensor and method for retaining a water sensor to a filter housing are described herein. A snap-fit connection is utilized to secure the water sensor to the filter housing. In one embodiment, the snap-fit connection is achieved using non-metallic components.

Abstract: A method for tracking a pollution source in process water is presented. Firstly, variation curves of drain water drained from different rinsing tanks are respectively obtained, and a water quality concentration of the drain water drained to a buffer tank is detected, so as to output a water quality variation curve. Then, an analytical comparison is performed on each drain water amount variation curve and the water quality variation curve within a same time interval, so as to output an analytical result of each flow of drain water in a range exceeding a predetermined water quality standard. In this manner, the drain water that exceeds the predetermined water quality standard can be tracked in real-time according to the analytical result, thereby quickly improving the process for discharging the drain water.

Abstract: The water conservation system provides for the controlled circulation of heated water between an overhead water tank, which is mounted on the roof of a building, and an underground water tank for storing cooled water. The overhead tank has a feed outlet, a circulation outlet, and a circulation inlet formed therein. A first conduit is provided, with a lower end thereof being positioned within the underground tank. A pump draws water from within the underground tank, which is delivered to a second conduit. An upper end thereof is in fluid communication with the overhead tank. A third conduit is further provided, having an upper end in communication with the overhead tank and a lower end in communication with the underground tank. A programmable valve selectively controls water flow out of the overhead tank, which is delivered, via the third conduit, to the underground tank by gravity.

Abstract: A separation device for removing solids from an input stream is provided, comprising a vessel, such as a production vessel or storage tank, having an inlet for receiving an input stream containing fluids, such as oil and water, and solids, such as sand and silt. The vessel also includes a fluid outlet and a drain outlet. An optional fluid recirculation and injection device is mounted inside the vessel and delivers fluid to facilitate removal of the solids through the drain outlet. The vessel also includes an agitation or flighted device mounted adjacent to the drain outlet for contacting and dislodging solids which have settled within the vessel. The agitation device includes a rotatable shaft driven by a motor, and an agitation element, such as an auger, to break up the solids and move them toward the drain outlet. A method of removing solids is also provided using the auger device.

Abstract: A system for controlling at least one prescribed fluid level in a biological reactor for treating wastewater or portion thereof, the system comprising at least one effluent assembly having an effluent screen; at least one sensor configured for monitoring a fluid level; at least one sparge apparatus configured for providing matter in a prescribed manner to the at least one effluent assembly; at least one matter source configured for providing matter; at least one control point configured for regulating said matter movement; and at least one controller. A kit comprising at least a controller and a sensor. A regulatory system configured for regulating the system.

Abstract: A cyclone used in a separator apparatus includes a body and a vortex finder. The body includes an inlet passageway, a cylindrical passageway connected to the inlet passageway, and a conical passageway connected to the cylindrical passageway. The cylindrical passageway has an upper end through which first particles in a fluid are exhausted, and a lower end. The conical passageway has an upper end connected to the lower end of the cylindrical passageway, and an opened lower end through which second particles having a specific gravity greater than that of the first particle are exhausted. The vortex finder is connected to the upper end of the cylindrical passageway. A first exhaust passageway is vertically formed in the vortex finder so that the first particles spirally ascend through the first exhaust passageway from the cylindrical passageway.

Abstract: A dissolved air flotation system and method for purifying fresh water. The system is self-contained within a standard shipping container, with all components disposed in-line within the shipping container. Float is removed from the flotation tank with a skimmer that drives float downstream onto a conveyor belt, and the conveyor belt conveys float away from the flotation tank, in the downstream direction, and deposits the float in a collection tank. Clean water may be drawn from the flotation tank continuously, while float may be removed periodically.

Abstract: The wastewater treatment system provides multiple techniques for decontaminating wastewater contained within a single system, thus optimizing the decontamination of the wastewater. In one embodiment, the wastewater treatment system includes a steel-reinforced plastic tank having first and second partition walls dividing the tank into first, second and third chambers. The first chamber includes at least one first effluent filter and further contains anaerobic bacteria for removal of organic waste material from the wastewater received therein. The first chamber is configured for at least partial removal of particulate and organic matter from the wastewater. The second chamber includes an air diffuser and further contains aerobic bacteria for further removal of organic waste material from the wastewater received therein. The third chamber includes a sludge pump assembly and at least one second effluent filter. Resultant purified water is selectively discharged from the third chamber through an outlet port.