Abstract: A liquid waste treatment system is described. The system may include a first treatment conduit, a second treatment conduit, and at least one junction pipe disposed there between. In some instances, the system may include an upper junction pipe and a lower junction pipe disposed between a first and a second treatment conduit. In one or more embodiments, the system may be arranged in a substantially linear arrangement, such as a straight trench arrangement or a serial distribution arrangement. The system may reduce the need for additional treatment conduits.

Abstract: A driven decanter assembly for a wastewater primary treatment system, comprising a longitudinal decanter disposable in the wastewater and having a longitudinal trough and a horizontal entrance weir, a polygonal or arcuate screen attached to the decanter and having at least two screen surfaces disposable below the surface of the wastewater outside of the trough, and a floating baffle pivotably mounted to the decanter and disposable in the wastewater outside of the screen. The driven decanter assembly can directly replace a prior art driven decanter in any waste water primary treatment system.

Abstract: A water recycling system that can be used for reclaiming and recycling water, waste water, or grey water, for providing landscape irrigation, or for recycling uses such as for sanitary facilities, as well as for pre-heating clean water to save energy. A water recycling system may include a sealable tank, an influx pipe, a self-clearing filter disposed within the tank, a pump, and an effluent pipe.

Abstract: Modular storage and controlled outflow systems for controlling a flow of water and methods of assembly of modular storage and controlled outflow systems having indirect flow of water through the system. Modular systems for controlling a flow of water having beams extending across the modules to direct the flow of water in an indirect manner or a serpentine or semi-serpentine manner. Modular storage and controlled outflow systems for treatment and filtration of water.

Abstract: A vessel-based system and method for disposing of wastewater including bilge water from a bilge of the vessel. The system including a treatment unit for receiving and treating the wastewater to produce a substantially oil-free treated water and, an evaporator for receiving the treated water from the treatment unit. In an embodiment, the evaporator having an evaporation element for transferring heat to the treated water to evaporate the treated water.

Abstract: A fluid conduit with layered and partial covering material thereon is disclosed. The fluid conduit may be used for processing and treatment of fluids which must be treated to remove materials so that the resultant treated fluid may be reused and/or returned to the earth and particularly to the water table. The fluid conduit may be of many forms and types and may have attached thereto and configured thereon covering material in partial form and a selected number of layers. The fluid conduit may be a septic pipe of smooth wall, of corrugated form, and/or of any form of cross-sectional configuration including circular, elliptical, rectangular, triangular, or any other geometric shape. The fluid conduit may be used in combination with conduit in a drainage field or leaching system usually associated with a septic tank or septic system.

Abstract: A stormwater treatment system and method for removing sediment, chemical pollutants, and debris from stormwater runoff by utilizing bioretention practices including physical, chemical and biological processes by passing stormwater runoff water through a multi-phase filtering and treatment train. Stormwater is initially directed to and enters a pretreatment collection chamber located within or exterior of a primarily open-bottomed, multi-dimensional container whereby entrained sediment and other transportable materials are captured and collected prior to continued transport, filtration and treatment through a media filter layer. A live plant (preferably a tree) situated within the container with roots resident in the media filter layer with the ability for expansion beyond the perimeter of the container through openings in one or more sidewalls.

Abstract: The present invention is directed to a method for filtering fluid, preferably effluent fluid in a septic system, by providing a staged, filtering array in an effluent flow path, the stages positioned in an orientation designed to maximize filtering capability in conjunction with predetermined apertures.

Abstract: Methods and systems for a subsurface upflow wetland for wastewater treatment that includes a series of parallel treatment cells, each cell including from bottom to top, a layer of gravel, a layer of sand over the gravel to remove pathogens from a septic effluent, a pollution control medium above the sand layer to remove nutrients, total suspended solid, and biochemical oxygen demand and a growth media mixture layered on top of the pollution control media to grow plants, and a gravity distribution system to distribute effluent to the series of parallel treatment cells. The pollution control medium includes at least one recycled material and at least one naturally occurring material. In an embodiment it includes recycled tire crumb, sand and limestone or recycled tire crumb, compost, sand and limestone.

Abstract: An embodiment of a water retention and distribution system for use in an underground installation comprises at least one layer of at least one pipe with at least one hole therein. The at least one layer may be fluidly connected to a water source and a means for distribution. A water impermeable cover encloses the at least one layer. Water in the at least one layer may be distributed into the ground through a vertical pipe that includes a divider that separates the vertical pipe into first and second halves for controlling the flow of water into the means for distribution.

Abstract: The present invention is directed to a method for filtering fluid, preferably effluent fluid in a septic system, by providing a staged, filtering array in an effluent flow path, the stages positioned in an orientation designed to maximize filtering capability in conjunction with predetermined apertures.

Abstract: A drip disposal system includes a fluid source including a pump for cyclically pumping fluid from the fluid source, a set of drip field lines connected to the fluid source for dispersing at least some fluid provided by the source across an area of ground, and a return line for returning fluid not dispersed by the set of drip field lines to the fluid source. A blow-out valve is connected to the return line for controlling fluid flow through the return line during each cycle, the blow-out valve opening when a pressure of the fluid flowing through the return line exceeds a selected minimum pressure and closing when the pressure of the fluid flowing through the return line goes below the selected minimum pressure.

Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.

Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.

Abstract: A retention basin enclosure includes a plurality of prefabricated concrete vertical wall segments, a baffle unit and at least one steel connecting dowel. Each wall segment includes a horizontal top end that defines a notch and two vertical edges that define at least one cylindrical bore. The baffle segment includes a vertical edge surface that defines a plurality of cylindrical bores and a horizontal planar member from which a plurality of protrusions extend upwardly therefrom so that the baffle segment reduces water flow velocity. Two baffle vertical wall members each have a planar vertical surface that defines a plurality of cylindrical bores disposed so that at least one of the cylindrical bores defined by concrete baffle segment can be placed in alignment with at least one of the cylindrical bores defined by the planar vertical surface.

Abstract: A stormwater detention system includes a containment row for removing and collecting solids from stormwater. The containment row may be surrounded by a water-impermeable membrane, and designed to receive incoming water before other rows of the detention system. The containment row collects solids from the stormwater before the water is redirected into one or more additional rows, which are water permeable and buried in water permeable media. Filter structure may be associated with a flow system that delivers water from the containment row to the additional rows.

Abstract: A modular subsurface sewage disposal and wastewater treatment system is presented for treating effluent from a septic tank. The system includes an elongated member, leach field medium and at least one pipe. The elongated member is arranged in one of a serpentine or a ladder-shaped configuration and includes a core wrapped in a fabric. The medium is disposed about open areas in the configuration. The pipe uniformly distributes effluent from the septic tank to the elongated member. In one embodiment, the core is a pliable plastic membrane and the fabric wrap is a non-woven fabric. In one embodiment, the elongated member is disposed in a box and retained by an adhesive to permit ease of manufacture, shipping, and installation. In another embodiment, the elongated member is disposed in a rigid or semi-rigid frame defining channels retaining the elongated member. The frame is detectable by a non-invasive above surface detector.

Abstract: A septic system can include an improved and more reliable apparatus for distributing effluent uniformly to a plurality of portions or fingers of a drain field. In such apparatus, an effluent container, or collection tank, is connected with the outlet of a septic tank, and an effluent-operated valve controls effluent flow from an outlet of the effluent container, or collection tank, to an effluent distribution tank which is connected to a plurality of portions, or fingers, of a sewage drain field to uniformly distribute the effluent from the septic tank to the drain field.

Abstract: A molded modular wastewater treatment system including a tank with molded double thick baffle walls made of UV stabilized ?? thick polyethylene. The system is designed with three separately molded and interconnected chambers, a pretreatment chamber connected to a first side of an aeration chamber and a second side of the aeration chamber connected to a clarification chamber. The pretreatment chamber initially receives the wastewater and uses anaerobic bacterial action and gravity to precondition the wastewater and then passes the preconditioned water to an aeration chamber. The aeration chamber receives the pretreated wastewater from the pretreatment chamber and uses aerobic bacteria to biologically convert the waste in the wastewater into stable substances and then pass it to the clarification chamber. The clarification chamber receives the flow from the aeration chamber and settles out any biologically active material in the flow and returns it to the aeration chamber for additional processing.

Abstract: A wastewater filtering system is provided for the passage of the wastewater from the home to the septic tanks prior to passage to the drain fields. The system comprises a separate septic tank assembly and a grease trap assembly operatively adapted to receive the wastewater from the home prior to the passage of the wastewater into the drain fields. Septic tank assembly and grease trap assembly are specifically configured to separate the filtering of waste water from the kitchen from the sewage from the bathrooms to prevent the clogging of the entire filtering system.

Abstract: An underground infiltration tank module comprising a four-sided periphery formed of a top periphery wall, a bottom periphery wall, and two side periphery walls, a plurality of channels running from the top periphery wall to the bottom periphery wall, holes formed in the channels, strut members running between the channels, and stud members located on the periphery walls. Any two of the plurality of channels are separate from each other such that any part of one channel is not in contact with any part of another channel. The channels alternately face in opposite directions.

Abstract: The water to be treated might be river water which needs to be clarified, or might be septic tank effluent which needs to have its BOD and dissolved organics content diminished, and its ammonium oxidized. Treatment is done by passing the water through a block of soft open-cell foam. The block of foam is rectanguloid in its basic form. The block of foam is housed in a watertight box. The rectanguloid form enables minimal hydraulic heads, and is simple and cheap to manufacture and install.

Abstract: A wastewater reuse system has a wastewater treatment system connected to a dwelling for receiving wastewater therefrom. The wastewater treatment system has a pump tank with an outlet that can be connected to a central wastewater collection system. There can be a pump in the pump tank for pumping water from the pump tank to a use recipient of treated wastewater such as an irrigation system.

Abstract: A gas baffle for a waste water treatment plant filter housing that includes a first and second deflecting plate. The gas baffle has at least one flow-through opening defined by the first and second deflecting plates. The combination of the first and second deflecting plates deflects rising gas bubbles and any solid particulates so that the bubbles and particulates do not enter the filter housing. The gas baffle may include exterior apertures to dissipate the rising gas bubbles that travel on the bottom surface of each deflecting plate. The gas baffle may be integrally formed with the filter housing or created separately and subsequently connected.

Abstract: Methods, systems and apparatuses are disclosed for improving the treatment of wastewater in a dispersal drainage trench by facilitating the direct aeration of wastewater passing through a drainage unit.

Abstract: The present invention relates to a vertical-horizontal filter unit for the biological purification of polluted water, comprising an upper zone of a soil patch planted with plants, having inlets for the polluted water, and arranged underneath a sand layer with a lower filter zone made of gravel and at least one removal point for the purified water, wherein between the upper and lower filter zones a barrier layer with openings is arranged and the filter unit is sealed against the soil on the sides and at the bottom. The openings in the barrier layer are arranged along the edge and/or the barrier layer does not reach the edge of the patch completely. The invention is characterized in that the upper zone acts as an aerobically cleaning zone and the lower zone as an anaerobically cleaning zone.

Abstract: A wastewater treatment system capable of reducing or eliminating point discharge. The wastewater treatment system includes a wastewater treatment unit and a wastewater treatment lagoon in fluid communication with the wastewater treatment unit. The wastewater treatment lagoon can be located at a higher elevation than the wastewater treatment unit. The wastewater treatment lagoon can preferably be a combined evaporation/infiltration lagoon. A drip irrigation system can also be included around the periphery of the wastewater treatment lagoon and in fluid communication with the wastewater treatment lagoon.

Abstract: A system and method of treating wastewater from an animal confinement operation. The system including at least a first lagoon receiving water from the confinement operation. The system further including a free surface water wetland, a subsurface flow wetland and a vertical flow recirculating media filter. The first artificial wetland including a pipe such that water from the lagoon flows into the first artificial wetland through an inlet of the pipe and is contained within the wetland. The first wetland further including a plurality of wetland plants. A second subsurface flow wetland and a vertical flow recirculating media filter on top of the subsurface flow wetland and wetland plants contained within a first pea gravel bed on top of a coarse gravel bed of the subsurface flow media filter such that water from the lagoon is received by the first wetland.

Abstract: Disclosed is a system for treating waste water. The system may be applied to any application for the treatment of waste water which benefits from an equalized flow into the waste water treatment processes, such as industrial batch discharges, storm water settling and screening, and septic receiving at a waste water treatment plant. The system comprises a single primary settling tank for the processes of grit removal, flow equalization, fine screening and primary clarification. The system further comprises the use of a flow measurement device on the discharge side of the primary settling tank to provide a uniform flow to downstream processes. The system further comprises placement of a fine screen on a discharge mechanism which controls the effluent flow from the primary settling tank.

Abstract: An anaerobic to aerobic sequence enhances biological degradation of many organic pollutants. Exemplary embodiments provide systems and methods for effective treatment of storm-water runoff pollutants such as hydrocarbons, nitrates, phosphorus, and heavy metals using sediment filtration and adsorption, and biochemical processes under bi-phasic bioretention conditions. By integrating these pollution cleanup pro-usages into a single unit, this apparatus optimizes retention time of the runoff through the system and maximizes removal rates of runoff pollutants, resulting in more reliable and efficient treatment mechanism than previous systems.

Abstract: The system comprises one or more of the following: primary treatment units, flexible pipes, and optionally, one or more pumps. The system is designed and installed in a manner that enables the flow of liquid to be predominantly due to gravity, although one or more pumps may optionally be included at key positions. The system can be sealed and pressure tested in order for optimal performance to be achieved during operation.

Abstract: One embodiment of an apparatus and method for treating agricultural animal wastewater that costs less to build, is easy to operate, and requires little energy input. The method employs natural systems for wastewater treatment; an initial anaerobic digestion treatment followed by batch floating aquatic plant treatment. The batch floating aquatic plant treatment of effluent and subsequent batch discharge provides increased control of the treatment process. Opportunistic collection and use of biogas and floating aquatic biomass results in additional benefits. The apparatus reduces the cost and land area required for the system by subdividing a lagoon into an anaerobic digestion treatment zone below the apparatus and a floating aquatic plant treatment zone above the apparatus. In addition, the apparatus is disposed in the lagoon in such a way that it facilitates the collection of biogas evolving from anaerobic digestion treatment beneath the apparatus by diverting it to areas to be collected.

Abstract: Methods, systems and compositions for a green sorption media for bioretention soil amendments in drainfields for on-site waste water systems filled with the green sorption media to foster an anaerobic or anoxic environment saturated. The green sorption media includes one or more recycled materials, including tire crumb, sawdust, orange peel, coconut husks, leaf compost, oyster shell, soy bean hulls and one or more naturally occurring materials including peat, sands, zeolites, and clay. The wastewater filtration system for a passive drainfield includes the green sorption material mixture, a cell including baffled compartments and a riser, the cell filled with green sorption material mixture to provide an alternating cycle of aerobic and anoxic environments, an influent distribution system to distribute the influent over the cell, and a piping system arranged for dosing the cell to sustain the functionality of the green sorption material mixture to remove nutrient content in wastewater.

Abstract: A modular subsurface sewage disposal and wastewater treatment system is presented for treating effluent from a septic tank. The system includes an elongated member, leach field medium and at least one pipe. The elongated member is arranged in one of a serpentine or a ladder-shaped configuration and includes a core wrapped in a fabric. The medium is disposed about open areas in the configuration. The pipe uniformly distributes effluent from the septic tank to the elongated member. In one embodiment, the core is a pliable plastic membrane and the fabric wrap is a non-woven fabric. In one embodiment, the elongated member is disposed in a box and retained by an adhesive to permit ease of manufacture, shipping, and installation. In another embodiment, the elongated member is disposed in a rigid or semi-rigid frame defining channels retaining the elongated member. The frame is detectable by a non-invasive above surface detector.

Abstract: Improvements on a system for treating residual water, presents a new solution for the conformation of a system for treating residual water and for such purpose, it basically consists of a lower blanket (1), preferably produced in PVC, and of a cover blanket (2), which is also preferably produced in PVC, in any color, which may be double-faced, including, in the present model still features a reactor (3), a deep chamber (4) and an anaerobic pond (5), and such elements may be excavated in the soil (S) or made of stonemasonry or any kind of suitable material for this purpose.

Abstract: It is an object of the present invention to provide an effective technique for achieving a higher level of water quality control in a water treatment apparatus. Representative water treatment apparatus according to the present invention may include a purifying section, a sterilizing section, a water storing section and a water quality detection sensor. The water quality detection sensor is immersed in the water storing section. The water quality detection sensor not only serves as a means for detecting the quality of water in the water storing section, but also as a means for detecting deposition of biomembrane on the detecting section of the water quality detection sensor due to deterioration of the sterilizing performance of the water storing section. As a result, an efficient water quality control system can be realized.

Abstract: A pressure-actuated disinfectant dispenser and method for treating wastewater in an aerobic treatment system. The dispenser includes a reservoir for holding a disinfectant supply and a dosage container for holding a dosage of disinfectant. The container is positioned within the reservoir and has a flow-regulated path for fluid communication from the reservoir into the container. The invention also includes actuation means for increasing the pressure within the dosage container to force disinfectant therefrom, and a discharge assembly for discharging fluid from the dosage container into said storage tank.

Abstract: A system for treating wastewater, the system including: a septic tank for separating solid matter from liquid matter in raw wastewater; a bioreactor for receiving and biologically treating the liquid raw wastewater from the septic tank to lower its biochemical oxygen demand; and a de-oxygenating reactor for receiving and further treating the biologically treated wastewater from the bioreactor to reduce dissolved oxygen levels in the biologically treated wastewater; wherein the system is arranged so that at least a portion of the wastewater treated in the de-oxygenating reactor flows back into the septic tank and the bioreactor before being discharged from the system.

Abstract: The wastewater treatment system includes a tank having first and second partition walls dividing the tank into first, second and third chambers. An inlet port is formed through the first chamber and an outlet port is formed through the third chamber. A first port is formed through the first partition wall for controlling fluid flow from the first chamber to the second chamber, and a second port is formed through the second partition wall for controlling fluid flow from the second chamber to the third chamber. Oils and sludge are removed from the wastewater in the first chamber. Anaerobic bacteria within the second chamber then removes organic material from the water. The water is stored in the third chamber is irradiated by germicidal ultraviolet light before discharge from the third chamber.

Abstract: The system comprises one or more of the following: primary treatment units, flexible pipes, and optionally, one or more pumps. The system is designed and installed in a manner that enables the flow of liquid to be predominantly due to gravity, although one or more pumps may optionally be included at key positions. The system can be sealed and pressure tested in order for optimal performance to be achieved during operation.

Abstract: An apparatus for a variable volume drain field for onsite wastewater renovation. The system includes at least one module having a weir-type inlet and a one-way flow control device. The modules displace and store wastewater, and allow for differential release of the stored wastewater. The inlet is positioned adjacent the top of the module and the one-way flow control device is adjacent the bottom. In one embodiment, the module includes a pipe with caps having the inlet and one-way flow control device. In another embodiment, the module includes a container and a lid. The container includes the inlet and a one-way flow control device is connected adjacent the bottom of the container. In one embodiment, the one-way flow control device is a flexible hose with a float attached to the free end of the hose. The other end of the hose is in fluid communication with the container.

Abstract: A self-sustaining wastewater treatment facility abates greenhouse gas abatement, captures CO2 and produces biomass to address multiple critical environmental needs. The facility includes an array of rotating media wheels that create an optimum ordered mixing of algae for sustained growth. Biomass harvested from the rotating media wheels may be provided to other processing facilities to produce, for instance, bio-fuels. Waste CO2 from the processing facility may also be returned to the treatment system for enhanced algae growth. Bacteria are provided to form a symbiotic relationship with the algae, fueled by sunlight to effectively remove toxic materials from the wastewater. The multi-functional facility may also be integrated into a regenerative facility in which the biomass obtained from the algal and bacterial colonies is used in a separate facility and byproducts of the operation of the separate facility are used by the multi-functional facility to fuel further algal growth.

Abstract: Wastewater treatment systems, methods and apparatus for polishing a wastewater stream comprising a plurality of contaminants are provided. One system includes a vessel containing a plurality of natural media filtration agents selected to remove selected ones of the plurality of contaminants from the wastewater stream. In one embodiment, the vessel includes a bed of bauxite residue and at least one other natural media filtration agent. In another embodiment, the vessel includes a bed of compost and at least one other natural media filtration agent. The vessel includes a wastewater inlet that is in fluid communication with one or more of the natural media filtration agents. The vessel includes a wastewater outlet that is in fluid communication with one or more of the natural media filtration agents.

Abstract: A wastewater treatment system and process biologically treats wastewater to produce substantially clean water effluent and byproducts. The treatment system includes an array of media wheels that rotate into and out of exposure to sunlight for sustained algae growth. One byproduct is algae removed from the rotating media wheels, which may be provided to other processing facilities to produce, for instance, bio-diesel fuel. Waste CO2 from the processing facility may also be returned to the treatment system for enhanced algae growth. Bacteria is provided to form a symbiotic relationship with the algae, fueled by sunlight to effectively remove toxic materials from the wastewater. Large scale facilities may integrate the treatment systems in a regenerative cycle in which the biomass obtained from the algal colonies is used in a separate facility and byproducts of the operation of the separate facility are used by the treatment system to fuel further algal growth.

Abstract: The present invention relates to a filtration tank intended to be buried and for containing wastewater in particular, the tank (100) comprising a casing (110) having an upper part (200) and a lower part (300), the tank being provided internally with a means for reinforcing the structure of the casing (110) so that it can withstand the pressure exerted by the surrounding material when the tank (100) is buried and is not completely filled. According to the invention, the reinforcing means (600, 600?) comprises voussoirs (610, 610?) bearing against the upper part (200) and in that the tank (100) incorporates means (650d, 670) for absorbing the supporting forces of the voussoirs (610, 610?) so as to transfer said forces onto the bottom (310) of said tank. A tank is thus obtained which withstands being buried without deforming even though it may be only partially filled.

Abstract: Described are a tertiary disinfection system and process for treating a liquid effluent from a domestic secondary treatment unit. The liquid effluent has pathogenic micro-organisms, remaining suspended solids and dissolved organic pollutants. The system has an inlet, a subterranean initial treatment zone filled with a filtering material for removing some suspended solids, dissolved organic pollutants and pathogenic micro-organisms. The initial treatment zone allows the liquid effluent to percolate downward. The system also has a subterranean polishing zone extending horizontally outward from the initial treatment zone, and filled with a filtering material having pore sizes allowing upward capillary dispersion of the liquid effluent. The system also has a subterranean aeration zone having an interface with the initial treatment zone and the polishing zone, to provide aeration enabling aerobic accommodation of microflora for disinfection of the effluent.

Abstract: A wastewater treatment system and process includes a treatment system for biologically treating wastewater to produce substantially clean water effluent and byproducts. The treatment system includes an array of rotating media wheels for sustained algae growth. The media wheels are supported so that the algae rotates into and out of the wastewater for exposure to sunlight. One byproduct is algae removed from the rotating media wheels, which may be provided to other processing facilities to produce, for instance, bio-diesel fuel. Waste CO2 may also be provided to the facility for enhanced algae growth. Bacteria is provided to form a symbiotic relationship with the algae, fueled by sunlight to effectively remove toxic materials from the wastewater. Rotation of the media wheels can be accomplished by air jets that also operate to dislodge excess algae as a byproduct of the system and process.

Abstract: By providing an easily transported, filler component system, leaching field forming elements for establishing a series of flexible design passageways into which the desired fill material is placed, a highly effective, easily installed, competitively priced with enhanced biological habitat underground fluid distribution system is achieved. In accordance with the present invention, the desired passageways are quickly and efficiently created by employing pre-folded cardboard panels, or other pervious materials, placing the materials in an excavated location or site in cooperating relationship with each other for creating the desired leaching fields. In the preferred embodiment, two, substantially identical, pre-folded cardboard panels are employed and are positioned in juxtaposed, cooperating, spaced, facing relationship with each other, establishing a central passageway therebetween.

Abstract: An apparatus is provided that includes: a containment system 208 having at least one sidewall and bottom that are substantially impermeable to a passage of water; a distribution system 124 to introduce an aqueous stream comprising nitrates into the containment system; a de-nitrification system 128 comprising a de-nitrification media, the media being contained within the containment system; a pump to pressurize the stream and cause the stream to pass through the de-nitrification media, thereby converting at least most of the nitrates into nitrogen gas and forming a treated stream; and a collection system 132 to remove the treated stream from the containment system.

Abstract: An apparatus for diverting wastewater in septic system comprises a top, a side adjoining and extending downwardly from the top, the top and the side form an inner volume and a partially open bottom. The bottom can be fully open. A first opening extends upwardly from the partially open bottom. A second opening, having a perimeter, is also on the side. The apparatus can be placed at outlet end of a trench to receive the trench pipe. The first opening, the open bottom and the inner volume permit the apparatus to be placed over a pipe without adjustments or modifications.