Thu, 27 Oct 2016 08:00:00 EDTSpectrophotometric sensors for measuring the concentration of various solutions are disclosed. Methods for controlling the introduction of disinfectants using such sensors for water treatment are also disclosed. Hypochlorite strength is monitored in at least some embodiments.
Thu, 27 Oct 2016 08:00:00 EDTThe present invention describes a method for regulation of a hybrid device allowing purification and either recycling or separation of water, said method comprising measuring a water quality parameter in water in the hybrid device in a measuring point; deciding the limit value of the water quality parameter based on measurement of the water quality parameter, said limit value being a reference for a limit value for clean water; and if the water quality parameter in the measuring point is outside of the limit value of the water quality parameter then separating the water, and otherwise recycling the water in the hybrid device.
Thu, 27 Oct 2016 08:00:00 EDTThe invention suggests a method for controlling the deposit formation in a main system of a liquid bearing system, wherein a liquid is transported inside the liquid bearing system, wherein the liquid bearing system comprises a main system and a subsystem, wherein the subsystem is configured such that a tendency of deposit formation is promoted more inside the subsystem than inside the main system.
Thu, 27 Oct 2016 08:00:00 EDTA reactor and control method thereof to maximize nitrogen removal and minimize aeration requirement through control of transient anoxia and aerobic SRT, repression of NOB, and control of dynamic DO concentrations or aeration interval by keeping the reactor NH4 and NO concentrations approximately equal has been proposed. Controls described in this invention maximizes the potential for TIN removal through nitrification, limited nitritation, nitritation, denitrification, limited denitritation, denitritation making use of 1) real time measurement of ammonia, nitrite, nitrate, 2) operational DO and the proper use of DO setpoints, and 3) proper implementation of transient anoxia within a wide range of reactor configurations and operating conditions.
Thu, 27 Oct 2016 08:00:00 EDTThe field of advanced wastewater treatment, and more specifically, to a natural pyrrhotite biofilter and a method for utilizing same to synchronously remove nitrate-nitrogen and phosphorus from water is provided. The method includes the following steps: (1) preparation of the packing material and construction of the biofilter; (2) start-up of the biofilter; (3) operation of the biofilter. The method disclosed in the present invention on the one hand takes pyrrhotite as the electron donor to help sulfur-based autotrophic denitrifying bacteria reduce nitrates into nitrogen gas, and on the other hand utilizes pyrrhotite and its oxidates to eliminate phosphorus through adsorption and chemical precipitation. Therefore, this method realizes synchronous removal of nitrate-nitrogen and phosphorus in water.
Thu, 27 Oct 2016 08:00:00 EDTA process of removing selenocyanate from an aqueous medium contaminated with at least selenocyanate. In the presence of UV light and TiO2 as a photocatalyst, selenocyanate is initially photolysed to release Se(0). Se(0) is then oxidized to Se(IV) and finally Se(VI) by free radicals generated by the photocatalyst. After the oxidation is complete, a hole scavenger is added and mixed with the aqueous medium to trigger the reduction of Se(VI) to Se(0).
Thu, 27 Oct 2016 08:00:00 EDTThe disclosure relates generally to liquid concentrators, and more specifically to compact, portable, cost-effective wastewater concentrators that can be easily connected to and use sources of waste heat. The concentrators can be used to concentrate liquid wastewater streams including waste metals such as selenium. The liquid wastewater and heated gas for concentration of the same can be obtained from an air quality control system (AQCS) process for cleaning/discharging of flue gas from an electrical power generation unit (EGU). Resulting cementitious solid waste products formed from the concentrated liquid wastewater provide a stable solid matrix that limits, reduces, or prevents leaching of metals such as selenium from the solid waste products into the environment.
Thu, 27 Oct 2016 08:00:00 EDTA process of treating and dewatering tailings is provided comprising mixing the tailings with a sufficient amount of a flocculant, a coagulant, or both, to promote flocculation/aggregation of the fine solids in the tailings; mixing a sufficient amount of a hydrophobicity modifying agent with the thus treated tailings to modify the hydrophobicity of the flocculated/aggregated fine solids; and subjecting the resulting mixture to liquid solids separation to yield a solids product for reclamation and a liquid product for recycling or disposal.
Thu, 27 Oct 2016 08:00:00 EDTMethods of administering biocide to industrial water in an industrial water process are provided. The methods may be carried out using a reactor for generating an oxidative biocide and delivering the oxidative biocide to a liquid stream. The reactor includes, among other things, a reaction chamber and packing positioned within the reaction chamber to facilitate mixing of at least two reactants.
Thu, 27 Oct 2016 08:00:00 EDTThe invention generally relates to the filed of providing a liquid for human consumption. In particular, the invention relates to a system for channeling a liquid such as particularly an aqueous liquid such as water in a circuit and for controlling the contamination of the circulating liquid with microorganisms, as well as to a corresponding method using the same. Furthermore, the invention relates to a method for the effective energy saving in the course of providing a heated liquid for human consumption while controlling the limit values recommended, admissible or acceptable for microorganisms, in which the set temperature of a heating device (8) is adjusted to a value below 60° C., preferably to a value between 40 and 55° C., most preferably to a value between 43 and 48° C.
Thu, 27 Oct 2016 08:00:00 EDTEmbodiments of the present invention provide systems and methods for purifying produced water. The system comprises: a closed loop cation exchange unit, wherein the cation exchange unit comprises a cation resin bed; a closed loop anion exchange unit, wherein the anion exchange unit comprises an anion resin bed; an intermediate degasifer, wherein the cation exchange unit and the anion exchange unit are connected in series through the intermediate degasifier, wherein each of the exchange units further comprises a plurality of treatment zones, wherein the treatment zones comprise at least an adsorption zone, a rinse zone, a regeneration zone and a pulsing zone and a backwash zone; and a rinse tail outlet collector for collecting and removing the rinse fluids from the rinse zone.
Thu, 27 Oct 2016 08:00:00 EDTAn ultraviolet-ray lamp water sterilization device includes a body with a path formed between first and second connection holes of the body. An exposing portion is located in the body and between the first and second connection holes. A sterilization unit is located in the exposing portion and has an ultraviolet-ray lamp. A water flow pressure switch is connected to the second connection hole and communicating with the path. A circuit controlling member is electrically connected with the sterilization unit and the water flow pressure switch. The circuit controlling member stops the operation of the sterilization unit when water maintains stationary for a pre-set period of time. The circuit controlling member provides warning signals when the ultraviolet-ray lamp reaches pre-set scenarios. The integral and modularized design is beneficial to assembling.
Thu, 27 Oct 2016 08:00:00 EDTA re-configurable filtration system includes a system inlet, first and second filters, a plurality of valves, a sensor, and a controller. Each filter has a feed inlet in fluid communication with the system inlet, a permeate outlet, and a concentrate outlet. The plurality of valves are switchable to define a first configuration in which the first filter and the second filter are arranged in fluid parallel and a second configuration in which the first filter and the second filter are arranged in fluid series. A sensor is operable to measure a property of the fluid within the system and to output a corresponding electrical signal. The controller can be operable to receive the electrical signal from the sensor and, in response, to switch the plurality of valves between the first configuration and the second configuration.
Thu, 27 Oct 2016 08:00:00 EDTProvided is a method for regulating the concentration of a treatment chemical inside a liquid bearing system, wherein the presence of the treatment chemical inside the liquid bearing system is defined by an dwell time, wherein the manipulation of the concentration of the treatment chemical inside the liquid bearing system is determined after a time interval, wherein the time interval corresponds to the dwell time.
Thu, 27 Oct 2016 08:00:00 EDTA distributor plate for a fluid tank such as a water softener pressure vessel separates the resin bed from a lower end of the resin tank. The distributor plate includes an outer ring that is affixed to the wall of the tank and that is formed of a first thermoplastic material having a relatively low dimensional predictability, and an inner disk that is supported on the outer ring and that is formed from a second thermoplastic material having a relatively high dimensional predictability when compared to that of the first thermoplastic material, the inner disk being fluid permeable but fluid treatment media impermeable. The outer ring and inner disk may be made from high density polyethylene (HDPE) and unfilled or 30% glass-filled Noryl®, respectively. Also disclosed is a method of assembling a pressure vessel.
Thu, 27 Oct 2016 08:00:00 EDTA heating body for an electrically heated filter screen includes a heater element having an outer surface and a metallic protective layer having an inner surface. An insulating layer is disposed between the heater element outer surface and the inner surface of the metallic layer. The metallic layer and an exposed portion of the insulating layer define an exterior of the heating body. An electrically heated filter screen constructed from pairs of intersecting heating bodies is also described.
Thu, 27 Oct 2016 08:00:00 EDTA scroll screen centrifugal separator includes a distributor that is configured to receive slurry received from a feed conduit. The distributor is configured to deflect the received slurry to a screen of the scroll screen centrifugal separator. In some embodiments, the distributor may include a distributor that has a flat surface encircled by a lip or having one or more lips positioned on the flat surface, an inclined surface, or a declined surface that faces the mouth of the feed conduit. In other embodiments, the distributor may include a plurality of dam members for defining passageways through which slurry is passable through the distributor prior to being ejected to a screen of the separator. In other embodiments, the distributor may include a distributor plate that has a plurality of radial arms attached thereto that are configured to direct slurry to the basket with a rotational velocity.
Thu, 27 Oct 2016 08:00:00 EDTThe disclosure regards to the porous materials, concerning a flexible 2D single-layer supramolecular polymer and its application in precise nano size separation. It comprises the synthesis of a bolaform cationic molecule, preparation of a cationic bridging stick, a flexible 2D single-layer supramolecular polymer and supramolecular polymer membrane, and the application of the membrane in precise nano-size separation. A synergetic ionic self-assembly approach which is facile, convenient and based on the ionic bond without preferential direction is used to construct a flexible 2D single-layer supramolecular polymer. Furthermore, its distinctive properties such as uniform nanoporous structure and flexibility offer an unprecedented opportunity to fabricate ultrafiltration membrane towards precise nanosize separation.
Thu, 27 Oct 2016 08:00:00 EDTThe invention relates to a method for the manufacture of a layered membrane construction comprising a) providing a solution comprising a mixture of a polymer A and a polymer B in a weight ratio A/B between 50/50 and 95/05, polymer A having a melting temperature TmA and a polymer B having a melting temperature TmB wherein TmB is below TmA by at least 40° C.; b) applying the solution provided in step a) on a first carrier substrate to form a nanofiber layer on said substrate; c) consolidating the nanofiber layer formed on the substrate by thermal bonding at a temperature between TmB and TmA by means of a temperature and/or pressure cycle thus obtaining the membrane.
Thu, 27 Oct 2016 08:00:00 EDTA thin film composite polyamide membrane comprising a porous support and a thin film polyamide layer characterized by possessing: i) an azo (—N═N—) content of from 0.40% to 1.00%, as measured by pyrolysis gas chromatography; and ii) a dissociated carboxylate content of at least 0.40 mol/kg as measured by RBS at pH 9.5.
Thu, 27 Oct 2016 08:00:00 EDTMethods are generally provided for forming a membrane. In one embodiment, the method includes: dispersing GO nanoparticles in a solvent; depositing the GO nanoparticles on a support to form a GO membrane; and reducing the GO membrane to form a rGO membrane. Also provided is the rGO membrane formed from such methods, along with a plurality of stacked rGO layers. Methods are also provided for separating water from a water/oil emulsion by, for example, passing water through the rGO membrane.
Thu, 27 Oct 2016 08:00:00 EDTAn object of the present invention is to provide a multilayer separation membrane having excellent performance on both removal of suspended solids in water and adsorptive removal of metal ions in water. A multilayer separation membrane of the present invention includes: a porous adsorption layer including substantially a polymer having chelating functional groups; and a porous clarification layer and the porous clarification layer is disposed neater to a raw water-side than the porous adsorption layer.
Thu, 27 Oct 2016 08:00:00 EDTProvided is a membrane module apparatus capable of allowing an aseptic connection member to be applicable to a hollow fiber membrane module and avoiding the need for a user to perform a sterilization treatment. A membrane module apparatus includes: a hollow fiber membrane module to be filled with a liquid during steam sterilization; thermoplastic tubes, being aseptic connection members, for aseptically connecting the membrane module apparatus to another duct; connecting tubes for connecting liquid ports of the hollow fiber membrane module respectively to the thermoplastic tubes; and closure members capable of pinching and closing the connecting tubes. The connecting tubes have heat resistance to the steam sterilization. An expansion member is connected to a liquid port of the hollow fiber membrane module.
Thu, 27 Oct 2016 08:00:00 EDTA gas sparger produces an intermittent flow of bubbles even if provided with a continuous gas flow. The sparger has a housing to collect a pocket of gas and a conduit to release some of the gas from the pocket when the pocket reaches a sufficient size. Optionally, a cover over an outlet from the conduit may break up or distribute the released gas. A large sparger for use with a commercial membrane module can comprise a plurality of smaller units.
Thu, 27 Oct 2016 08:00:00 EDTA plasma separator includes a vertical chamber with a membrane or membranes partially or fully covering the internal chamber walls and forming an inner cavity to accommodate whole blood. The plasma separator further includes a plasma collection space separated from the inner cavity with one or more membranes and a plasma removal port.
Thu, 27 Oct 2016 08:00:00 EDTSubmerged membrane modules for use for desalination of water are disclosed. In one or more aspects, the membrane modules can be submerged either in a feed solution tank or the feed solution can pass through the lumen side of the membrane submerged within the tank. The feed solution can be a water-based feed stream containing an amount of salt.
Thu, 27 Oct 2016 08:00:00 EDTA photovoltaic desalination system can comprise a solar cell, configured to receive solar radiation, including an n-doped semiconductor layer, a p-doped semiconductor layer, the two semiconductor layers forming a p-n junction, and an channel array, formed in the p-n junction; an input reservoir, coupled to the solar cell, the input reservoir configured to contain a salty fluid, and to release the salty fluid to the solar cell; an output fluid management system, coupled to the solar cell, the output fluid management system configured to receive an output fluid from the solar cell; wherein the channel array is configured to receive the salty fluid from the input reservoir, and to output the output fluid to the output fluid management system.
Thu, 27 Oct 2016 08:00:00 EDTThere is disclosed a leukocyte removal filter material comprising a nonwoven fabric having polybutylene terephthalate fiber. The average fiber diameter of the nonwoven fabric is 0.9 to 1.5 μm, the formation index corresponding to a thickness of 0.3 mm of the nonwoven fabric is 15 to 70, and when the average fiber diameter of the nonwoven fabric is X and the specific surface area of the nonwoven fabric is Y, X and Y satisfy the following relational expression (1): Y≧−0.65×X+1.75 (1).
Thu, 27 Oct 2016 08:00:00 EDTA housing for use in a fuel system component comprises a body defining an interior and having an inlet leading into the interior and an outlet leading from the interior, wherein at least one of the inlet and the outlet is defined by a port through a wall of the body and a fitting defining a passage open to the port, the fitting have a portion extending from the port that is not circular in cross-section. The body includes a cap with the fitting extending axially from the cap. In cross-section, the fitting has a major dimension oriented generally circumferentially and a minor dimension that is smaller than the major dimension and generally oriented radially relative to the axis of the housing. Optionally, the fitting may be integrally formed with the cap.
Thu, 27 Oct 2016 08:00:00 EDTThe present invention is directed to a collapsible filter apparatus. The collapsible filter apparatus includes an expandable top fluid retention portion, a filter portion and a collapsible funnel portion. These elements are joined to one another so as to provide fluid in need of filtering an expanded receptacle that can be collapsed for storage and transport.
Thu, 27 Oct 2016 08:00:00 EDTA filter assembly has a qualified filter element that filters fuel, a filter housing for the qualified filter element and a water-in-fuel sensor that senses presence of water in the filter housing. An electrical resistance of the water-in-fuel sensor changes based upon whether the qualified filter element is installed in the housing. A filter assembly can also have a plurality of magnetic elements disposed on at least one of the filter housing and the qualified filter element. A plurality of wires are disposed on at least the other of the filter housing and the qualified filter element. The control circuit determines that the qualified filter element is installed in the filter housing based on a change in the electrical current in the plurality of wires,
Thu, 27 Oct 2016 08:00:00 EDTA filter device with a filter body (1) that comprises a filter bowl (3) and a filter head (5) that is formed by a removable locking piece of the filter bowl (3), where said filter head (5) is provided with at least one connection point (15) for supplying an unfiltrate flow and at least one further connection point (27) for discharging a filtrate flow, and comprising at least one filter element (7) that contains filter material (11), where said filter element (7) is connected between the respective connection points (15, 27) and is disposed inside the filter bowl (3) for the filtration of the unfiltrate, specifically for particle contamination, where a flow directing device (33) is provided that directs the unfiltrate flow to the surface sections of the filter material (11) of the filter element (7) to provide a filtering action when the device is in operation, which is characterized in that the flow directing device comprises a molded component (33) that belongs to the filter head (5) and to which a fluid flow is applied.
Thu, 27 Oct 2016 08:00:00 EDTFluid filtration devices and methods of filtering fluids are described. The devices generally include a housing and an annular filter assembly, wherein the filter assembly is located inside the housing and comprises a filter material. The filter material may be, for example, an electroformed nickel screen having a smooth working surface and expanding pores. A rotating cleaning assembly comprising a distributor and wipers may be located inside the filter assembly.
Thu, 27 Oct 2016 08:00:00 EDTThe presently disclosed subject matter is directed to a filtration system. The filtration system comprising a housing and at least one filter assembly extending within the housing. Each of the at least one filter assembly comprising a filter element disposed within the main filtering chamber; a cleaning assembly comprising a suction shaft. The suction shaft comprising at least one suction nozzle along a portion thereof, and being sealed at its one end and configured with at least one exhaust opening at its other end configured for extending within an exhaust chamber. Further comprising a liquid resistant driving mechanism disposed within the exhaust chamber and configured to impart the suction shaft with rotary motion and reciprocal linear motion. The suction shaft is adapted for selectively closing and opening the fluid drain port.
Thu, 27 Oct 2016 08:00:00 EDTFilter devices with a flow director surrounded by a filter element providing a large filter surface area and low fluid volumes for efficient filtration and high recovery of sample fluids. The filter device can be configured with dimensions and sealing surfaces to functionally interact as a pre-filter for common usage disposable filter flasks.
Thu, 27 Oct 2016 08:00:00 EDTThe present invention provides a syringe for filtering a liquid comprising: a housing with a plunger slidable therein; an inlet for taking in liquid from a liquid source into the housing; an outlet for expelling liquid from the inside of the housing; a filter; and a rotatable valve member being rotatable between a first position and a second position; wherein rotation of the valve member to the first position permits liquid that is drawn through the inlet into the housing by pulling the plunger to bypass the filter, and rotation of the valve member to the second position forces liquid that is expelled from the inside of the housing by pushing the plunger to pass through the filter and out of the outlet.
Thu, 27 Oct 2016 08:00:00 EDTA quick-release device of an industrial filter is provided, including: a main body, including a first assembling portion for being non-rotatably engaged with a filter assembly and a second assembling portion for being non-rotatably assembled to an external device; a positioning portion, connected to the first assembling portion, complementary to the first engaging portion in structure. An industrial filter includes the quick-release device and the filter assembly. The filter assembly includes an assembling hole communicating with an interior of the external device. The industrial filter may further include the external device. The external device includes a shell body, the quick-release device is positionably arranged in the shell body, and the filter assembly is assembled in the shell body.
Thu, 27 Oct 2016 08:00:00 EDTA feedwell system for use in a separation vessel is provided, comprising a substantially cylindrical chamber having a bottom floor with an opening therein; an inlet for introducing a feed stream into the substantially cylindrical chamber; and a deflector plate having a generally conical shape and spacedly position beneath the opening of the bottom floor, the deflector plate having at least one aperture therethrough; whereby the feed stream exits the opening of the bottom floor onto the deflector plate having at least one aperture therethrough.
Thu, 27 Oct 2016 08:00:00 EDTA scavenging unit includes a housing having at least two porous partitions positioned within the housing and defining there between a scavenging chamber to be filled with a scavenging medium. A first one of the at least two porous partitions is positioned proximate an upstream end of the housing and a second one of the at least two porous partitions is positioned proximate a downstream end of the housing. The housing includes a liquid inlet communicating with an upstream side of the first porous partition via an inlet chamber and a liquid outlet communicating with a downstream side of the second porous partition via an outlet chamber.
Thu, 27 Oct 2016 08:00:00 EDTEmbodiments of the present invention are directed to apparatus and methods for performing separations of compounds held in a solution. Embodiments of the present invention allow detectors to operate at constant reproducible temperatures that are lower than the temperature of fluids exiting separation devices. An apparatus of the present invention has pump means, fluid conveying means, sample injection means, separation means and heat dissipation means. The heat dissipation means is in fluid communication with the separation means for receiving the fluid and removing thermal energy.
Thu, 27 Oct 2016 08:00:00 EDTAn extracorporeal blood treatment system has a first holder (18), a second holder (19), an infusion pump (4) and an infusion valve unit (13). The first holder (18) is mounted on a housing (1a) of the system and configured to hold a blood treatment device (2). The second holder (19) is mounted on the housing (1a) and configured to hold an extracorporeal blood circuit (3) coupled to the blood treatment device (2). The infusion valve unit (13) has a first part (13b) and a second part (13a) releasable connectable to the first part (13b). The first part (13b) is mounted on the housing (1a), and has an inlet (25) coupled to the infusion pump (4). The second part (13a) has a first outlet (7a) and a second outlet (10a) that are connected to an infusion circuit configured to couple to the extracorporeal blood circuit (3). Further, the second part (13a) has a one-way valve configured to allow infusion liquid to flow from the inlet (25) towards at least one of the first and second outlets (7a, 10a), and to block fluid flow towards the inlet (25). The extracorporeal blood circuit (3) with the withdrawal and return lines (6, 5) and an air trap (8), the infusion circuit comprising the pre and post infusion lines (10, 7) and the second part (13a) of the infusion valve unit (13) form part of a disposable set which is replaced after use.
Thu, 27 Oct 2016 08:00:00 EDTA device for extracorporeal blood treatment and a method for operating an extracorporeal blood treatment device provide for an ultrafiltrate pump of an ultrafiltration apparatus to be operated in a first and second operating mode. The ultrafiltrate pump is operated in the first operating mode in such a way that the pressure on the blood-side of the semipermeable membrane is higher than the pressure on the dialysate-side of the semipermeable membrane of a dialyser, so that during the first operating mode a predetermined amount of fluid is removed from an extracorporeal blood circuit via the semipermeable membrane of the dialyser. In the second operating mode, the ultrafiltrate pump is operated in such a way that the pressure on the blood-side of the semipermeable membrane is, at successive intervals, alternately higher and lower than the pressure on the dialysate-side of the semipermeable membrane of the dialyser, so that fluid is continuously removed from and supplied to the extracorporeal blood circuit via the semipermeable membrane (push/pull mode). Additional components, in particular a separate push/pull pump, are not required for operation of the blood treatment device in push/pull mode. This results in both lower dimensions and lower weight. Operation in push/pull mode can increase the service life of the dialyser and the clearance of the dialysis treatment can also be increased for certain substances.
Thu, 27 Oct 2016 08:00:00 EDTThe invention relates to a method for testing at least one function of a medical functional device which is inserted in and connected and compressed with a medical treatment apparatus, and/or a function of this treatment apparatus, wherein between a hydraulic device or a pneumatic unit of the treatment apparatus and the functional device at least one fluid communication is established. It further relates to a detection device which is programmed and/or configured for executing the method according to the invention as well as a medical treatment apparatus which comprises at least one detection device and/or is in signal transmission or is connected for signal transmission with it, a digital storage medium, a computer program product as well as a computer program.
Thu, 27 Oct 2016 08:00:00 EDTA cleaning device (10), for a liquid-based cooking apparatus (68), comprises a cleaning body (12). The cleaning body (12) includes an inlet (14) to receive debris-contaminated cooking liquid (16). The inlet (16) has an inlet aperture (18) from which extends an inlet guide (20). The inlet guide (20) narrows towards the inlet aperture (18) to in use urge debris-contaminated cooking liquid (16) through the inlet aperture (18). The cleaning body (12) also includes a cleaning chamber (26) that is arranged on a downstream side (28) of the inlet aperture (18) to separate debris (30A, 30B) from debris-contaminated cooking liquid (16) urged thereinto by the inlet guide (20).
Thu, 27 Oct 2016 08:00:00 EDTA filter assembly includes a first partition positioned within a filtering chamber of a housing and a second partition mounted to the housing. A biasing mechanism is coupled to the first partition and urges the first partition towards the second partition such that a plurality of activated carbon granules are compression packed against one another within the filtering chamber of the housing. A related reservoir for an appliance is also provided.
Thu, 20 Oct 2016 08:00:00 EDTA pool cleaning robot that may include a fluid inlet, a filter; a winding mechanism and a holding mechanism; wherein the winding mechanism is configured to perform a winding of the filter thereby removing a filter portion that was positioned in a filtering position and placing another filter portion, that was previously stored by the holding mechanism, in the filtering position; wherein the filter portion, when positioned in the filtering position, is configured to filter fluid that enters through the fluid inlet; and wherein the holding mechanism is configured to hold the filter and to store folded and unused filter portions.
Thu, 20 Oct 2016 08:00:00 EDTThis invention relates to a system and method for ensuring that there is an adequate flow of fluid into the pump of a skimmer system by utilizing a skimmer basket bypass. The bypass takes in fluid from beneath the surface of a body of fluid, and avoids the debris basket to ensure adequate flow to the pump.
Thu, 20 Oct 2016 08:00:00 EDTA diffuser baffle for use in an in-line wastewater grease interceptor. The diffuser baffle lies within a grease collecting chamber between the inflow and outflow of a grease interceptor. The diffuser baffle has an open bottom which is sized and shaped respectively to fit into the grease collecting chamber. The diffuser baffle has an end operatively connected to the inflow opening to permit wastewater to flow into the body through the open bottom. The baffle has a downstream end which includes a deflector portion to deflect a wastewater stream in a direction generally into the grease collecting chamber. The body also includes a number of apertures to permit the deflected wastewater stream to pass through the baffle and into the grease collecting chamber, where FOG will separate before waste water exits the chamber through the outlet baffle.
Thu, 20 Oct 2016 08:00:00 EDTA linear drain assembly includes at least one end attachment attachable to a longitudinal end of a drain body. The at least one end attachment has a permanent structural cover, a first drain channel formed below the cover and extending in a longitudinal direction along the at least one end attachment. The first drain channel has a closed end extending in both the longitudinal direction and a transverse direction across the first drain channel. A first slotted channel is formed in the cover and extends in the longitudinal direction along the at least one end attachment. The first slotted channel is in fluid communication with the first drain channel. The closed end of the first drain channel is arranged to direct debris moving through the first drain channel toward the first slotted inlet.
Thu, 20 Oct 2016 08:00:00 EDTA method for providing an optimized organic load to a downstream wastewater treatment process includes the steps of: providing a primary wastewater treatment plant including an organic harvester (OH) with an OH effluent output stream with temporal variation in organic content, a sludge filtrate outflow from the primary wastewater treatment plant, a valve controlled by a controller, and a sensor communicatively coupled to the controller, the sensor disposed downstream of a combined outflow line to measure an organic content of a combined outflow to the downstream wastewater treatment process; sensing the organic content of the combined outflow to the downstream wastewater treatment process; adjusting the valve controlled by the controller to maintain about a setpoint organic content concentration of the combined outflow to the downstream wastewater treatment process by supplementing the OH effluent output stream with organically rich matter from the sludge filtrate outflow.