Class / Patent application number | Description | Number of patent applications / Date published |
210745000 | Turbidity or optically sensing | 25 |
20080245743 | High Rate Filtration System - A high rate, upflow filtration system is described in which a compressible, fibrous lump filtration media is compressed to adjust the porosity and collector size of the media in the bed and to provide a porosity gradient within the bed proceeding from more porous to less porous in a direction opposite to the flow of fluid so that filtration proceeds in a direction from a more porous to a less porous filter bed. Larger particles are removed by the more porous media and successively smaller particles are removed as the filter bed becomes less porous. The system is capable of reducing the turbidity of influent municipal wastewater from about 8 NTU to about 2 NTU at a wastewater flow rate of from about 820 to 1230 L/m | 10-09-2008 |
20090045144 | Method and System For Monitoring Reverse Osmosis Membranes - A monitoring system and a method for monitoring a reverse osmosis (RO) membrane in an RO unit is capable of detecting the formation of mineral salt crystals on the surface of the RO membrane. The monitoring system includes a reverse osmosis monitoring cell coupled to the RO unit so as to receive a sample stream taken from either the feed stream to, or the concentrate stream from, the RO unit. The cell has a visually observable RO membrane that is visible to an imaging system that creates and collects images of the visually-observable RO membrane, and that conveys an image data signal to a data processing system that is operable to translate the image data signal into visual images for display, and to correlate the data in the image data signal with a scaling condition on the RO membrane in the RO unit. | 02-19-2009 |
20090145853 | SYSTEM AND METHOD FOR CLEANING FUEL STORAGE TANKS - Systems and methods for cleaning a fuel storage tank are disclosed. One system includes a plurality of filter elements mounted within a portable housing, and a hose in fluidic connection to at least some of the filter elements, the hose extendable from the portable housing and into an interior of a fuel storage tank, the hose having a nozzle including an inlet. The system also includes a pump in fluidic connection with one or more of the filter elements and configured to draw contents of the fuel storage tank into the hose and forward the contents through the one or more filter elements. The system further includes a video camera configured to capture video images of the interior of the fuel tank in an area proximate to the nozzle of the hose during cleaning. | 06-11-2009 |
20090166297 | Blood Processing Apparatus with Controlled Cell Capture Chamber Trigger - A blood cell collection system having means for detecting when a cell separation chamber has filled with white blood cells, and flushing the cells out of the cell separation chamber into a collect bag. A red-green sensor senses the optical characteristics of fluid leaving the cell separation chamber. A baseline value is calculated. The device calculates a ratio of the intensities of red light and green light and a peak-to-peak ratio of intensities. If either ratio exceeds thresholds computed from the baseline, the device flushes the cells into the collect bag. A camera detects white cells passing into the cell separation chamber and the device calculates the number of cells being collected. If the calculated number of collected cells exceeds a certain limit, the cell separation chamber is flushed. If the device is unable to establish a baseline, the donation can proceed, relying solely on the calculated number of collected cells. | 07-02-2009 |
20090173698 | Apparatus and method for detecting and removing moisture and contaminants in a fuel storage tank - An apparatus for detecting and removing moisture and contaminants from fuel stored in a tank includes optical fiber for examining the fuel for moisture and contaminants, a light source and a lens; a suction and return hoses insertable into the tank; a pump connected to the suction hose, a waste holding container for receiving moisture and contaminants; a contaminant filter connected to the return hose; and a valve between the pump outlet, the waste holding container and the contaminant filter inlet. | 07-09-2009 |
20100065507 | Blood Processing Apparatus with Optical Reference Control - A density centrifuge blood processing system with automatic two-dimensional optical control of fluid separation by observing fluid characteristics in observation regions. The location of the regions is determined by monitoring an optical reference. Points representing edges of an optical reference are measured and lines are computed through the points. An error measurement is calculated for each line. If the error is too large, the image is abandoned. One of the lines is selected as a referent line. A new line is calculated orthogonal to the referent line. The error function is again computed for the dependant line. If the error exceeds a selected maximum, the frame is discarded. A transformation function translates data points from an (r, s) domain derived from measurements of the edges into an (x, y) domain used to identify pixels in the observation areas. | 03-18-2010 |
20100078392 | Blood Processing Apparatus with Incipient Spill-Over Detection - A density centrifuge blood processing system comprising a separation chamber rotating about a central rotation axis, the separation chamber being coupled to an elutriation chamber, a first detector for the separation chamber to detect light from an observation region, a computational apparatus distinguishing at least two regions in the observation region and distinguishing incipient spill over of cellular components out of the elutriation chamber as a function of light intensity received from the at least two regions in the separation chamber, and a controller regulating speed of at least one pump or of the separation chamber in response to signals from the computational apparatus to avoid spill over. | 04-01-2010 |
20100084349 | SYSTEM AND METHOD FOR MONITORING WATER TRANSMISSION OF UV LIGHT IN DISINFECTION SYSTEMS - Some demonstrative embodiments of the invention include a system and a method for disinfection of a liquid including monitoring the disinfection process. The system may include a conduit to carry flowing liquid to be disinfected, wherein the conduit comprises an inlet to receive the liquid, an outlet to discharge the liquid and walls transparent to ultraviolet radiations; an illumination source located within a transparent sleeve, wherein the transparent sleeve is immersed in the flowing liquid and the illumination source is to disinfect the liquid when passing through the conduit, a first light detector located externally to the conduit to detect light emitted by the illumination source and a second light detector located externally to the conduit to detect light emitted by the illumination source. | 04-08-2010 |
20100206817 | PORTABLE SETTLING AND DEWATERING TANK - A settling tank for dewatering a thin slurry is provided in a lined portable container and with a disposable filtering means. A novel method of processing the slurry by settlement of the solid phase and removal of the liquid phase in cycles avoids the clogging of the filtering means. The settling tank can be easily transported and dumped without requiring the transferring of residue sludge or the cleaning of equipment. | 08-19-2010 |
20100224569 | Wastewater Treatment System - The present invention is a system and method for treating a wastewater stream to produce an effluent having an acceptable level of turbidity. The invention comprises a controller operatively coupled to at least one turbidity meter for monitoring turbidity of the effluent stream. A plurality of chemical treatment additive pumps are provided for providing a plurality of additives to the wastewater stream. Furthermore, a method of sequentially testing the amount of each additive required to produce an effluent stream having an acceptable turbidity is disclosed. | 09-09-2010 |
20110024364 | Filtration separation method for waste resin containing highly radioactive uranium powder and device thereof - A filtration separation method for waste resin containing highly radioactive uranium powder and device thereof is mainly used for the waste resin after water treatment process in a nuclear facility. The uranium powder contained in the waste resin is highly radioactive. Thus, prior to the treatment of the waste resin, it is necessary to filter and separate the highly radioactive uranium powder to reduce the radioactivity. It is to put the uranium powder containing waste resin into an underwater holding tank and withdraw the waste resin by an underwater pump into a uranium powder filtration box. Then the uranium powder filtration box is lifted by a hoist to move to an underwater ultrasonic cleaner. High-pressure water flushing is applied and followed by underwater ultrasonic cleaning. Then the cleaning water (containing precipitated uranium powder) from the ultrasonic cleaner is drained to uranium powder collection device. If the radioactivity of the waste resin is still high, high-pressure cleaning by water nozzle flushing and ultrasonic cleaning are applied several times until the radioactivity of the waste resin is lowered to the treatment standard and converted to low-radioactivity waste for further treatment. | 02-03-2011 |
20110079559 | Device and method for treatment of canals - A method of treating an agricultural-water canal to decompose organic debris in the agricultural-water canal is disclosed. The method provides a controlled delivery of biocide particles to the surface of water by entraining biocide particles in a gaseous stream and then scattering the biocide particles across the surface of the water by propelling the biocide-laden gaseous stream to the surface of the water, whereat the biocide particles are released from the gaseous stream. A device for implementing the method is also disclosed. The device includes a gas blower, a feed hopper and a port which is adapted to direct and propel the biocide-laden gaseous stream to the surface of water in the agricultural-water canal. | 04-07-2011 |
20110253638 | SYSTEMS AND METHODS FOR REDUCING ELECTRIC POWER BY OPTIMIZING WATER TURBIDITY, SUSPENDED SOLIDS, CIRCULATION AND FILTRATION IN POOLS, SPAS, WATER FEATURES, AND OTHER CLOSED BODIES OF WATER - One feature of the present invention provides a method for optimizing water filtration in a closed body of water. The method includes circulating the water through a closed loop filtration system to remove contaminates, where a pump forces the water from the closed body of water through plumbing to a filter; measuring a clarity of the water passing through the plumbing using one or more sensors connected to the plumbing; providing an output of the one or more sensors to a system controller operatively coupled to a motor of the pump, via a motor controller for comparing the measured water clarity to a desired water clarity to determine an optimal filter rate and time to achieve the desired water clarity; and providing power to the motor, via the motor controller, driving the motor to operate the pump at the optimal filter rate and time. | 10-20-2011 |
20110259832 | METHOD AND PLANT FOR THE TREATMENT OF WASTEWATER WITH A VIEW TO ELIMINATING THE ADVERSE ENDOCRINE EFFECT AND/OR THE TOXIC OR GENOTOXIC EFFECT THEREOF - The invention relates to a process for the treatment of a municipal and/or industrial wastewater with a view to combating the endocrine disrupting effect and/or the toxic effect and/or the genotoxic effect thereof and to remove the pathogenic microorganisms therefrom, comprising a step of oxidation via ozone and a step of disinfection via UV radiation with a wavelength between 185 and 350 nm, characterized in that said ozone oxidation step is carried out in a static mixer at a low dose of ozone below the ozone demand of said water. The ozone oxidation step is immediately followed by said UV-radiation disinfection step. The process comprises a step of controlling the dose of ozone used in the water during the oxidation step and includes the measurement of at least one parameter that is representative of the quality of the water. This said measurement is carried out on the water to be treated and/or on the water that has undergone the ozone oxidation step and before its UV-radiation disinfection. | 10-27-2011 |
20120000859 | Wastewater Treatment System - The present invention is a system and method for treating a wastewater stream to produce an effluent having an acceptable level of turbidity. The invention comprises a controller operatively coupled to at least one turbidity meter for monitoring turbidity of the effluent stream. A plurality of chemical treatment additive pumps are provided for providing a plurality of additives to the wastewater stream. Furthermore, a method of sequentially testing the amount of each additive required to produce an effluent stream having an acceptable turbidity is disclosed. | 01-05-2012 |
20120074070 | SYSTEM AND METHOD FOR REDUCING AT LEAST AN AMOUNT OF DISINFECTION BY-PRODUCTS IN WATER - In a method and a system for reducing at least an amount of disinfection by-products in water, the system has a dosing pump ( | 03-29-2012 |
20120199539 | CONTROL OF INTERFACE BETWEEN SEPARATED BLOOD COMPONENTS UNDER LIPEMIC AND HEMOLYTIC CONDITIONS - Blood separation systems and methods are provided for controlling the interface between separated blood components. The system includes a blood separation chamber configured to separate blood into first and second blood components and an outlet line for removing at least a portion of the first blood component from the blood separation chamber. A primary optical sensor assembly is associated with the blood separation chamber to directly monitor the interior of the blood separation chamber. A secondary optical sensor assembly is associated with the outlet line to monitor the first blood component in the outlet line. The system also includes a controller programmed to select between the primary optical sensor assembly and the secondary optical sensor assembly for monitoring contamination of the first blood component. The system is particularly advantageous for preventing contamination of separated plasma which is lipemic or hemolytic. | 08-09-2012 |
20130043194 | Tagged Polymers, Water Treatment Compositions, And Methods Of Their Use In Aqueous Systems - A method and composition is described for controlling the growth of fouling materials, such as scale, in aqueous systems using a tagged (fluorescent) polymer. The tagged polymer can be a fluorescent polymer which has at least one fluorescent monomeric unit derived from a fluorophore which has at least one terminal end comprising an olefinic group. The method of controlling the growth of at least one fouling material in an aqueous system can include the steps of adding the tagged polymer to the aqueous system to be treated, fluorometrically monitoring the concentration of the tagged polymer, and adjusting, as needed, the concentration of the tagged polymer and proportionally used water treatment compound or compounds effective to control the growth of at least one fouling material. The adjustment of pH before determination of the fluorescence signal can be employed to increase sensitivity of the fluorophore and minimize background interference. | 02-21-2013 |
20140131285 | Method and Arrangement for a Water Treatment - A method for a water treatment may include adding a chlorine species to water to be treated to dissolve the chlorine species in said water to be treated, measuring a demand of said chlorine species dissolved in said water to be treated while said chlorine species partly reacts with organic water constituents within said water to be treated, and applying an advanced oxidation process (AOP) (e.g., traditional chemical AOPs, chlorine species AOPs, UV AOPs, or UV/chlorine species AOPs) to said water to be treated while controlling said AOP based on said measured demand of said chlorine species dissolved in said water to be treated. | 05-15-2014 |
20140263087 | Swimming Pool Cleaner With Docking System And/Or Other Related Systems And Methods - Exemplary embodiments are directed to swimming pool cleaners, systems and methods that generally include a swimming pool cleaner and a docking station. Embodiments of the swimming pool cleaner can include a battery and a debris container. The docking station generally includes an opening configured and dimensioned to at least partially receive the swimming pool cleaner. Upon receipt of the swimming pool cleaner in the opening of the housing, the docking station can automatically recharge the battery of the swimming pool cleaner and/or automatically clean the debris container of the swimming pool cleaner. | 09-18-2014 |
20140346122 | SYSTEM AND APPARATUS FOR DETERMINING AND CONTROLLING WATER CLARITY - A system, method and apparatus for determining and controlling water clarity or water opacity especially useful in pools, spas, and contained bodies of water. | 11-27-2014 |
20150291993 | System and Method for Detecting Biofilm Growth in Water Systems - A system and method for monitoring or detecting a level of biofilm growth in a fluid system and controlling operating parameters of the fluid system based a measured level of growth. The monitoring system and method comprises a dye injection system for periodically injecting dye into a portion of fluid from the fluid system, passing the portion of fluid though a narrow lumen tube to achieve laminar flow and using a light source and optical sensor to detect a transmission or emission indicating a level of biofilm growth in the tube corresponding to a level of growth on components in the fluid system. Information based upon the measurements or calculations made by the monitoring system may be used to manually or automatically alter various operating parameters to control the fluid system and aid in maintaining stable operation of the fluid system within preferred specifications. | 10-15-2015 |
20150316474 | TURBIDITY SENSING FILTER APPARATUS, SYSTEMS, AND METHODS THEREOF - A filter press having a plurality of stackable filter plate assemblies comprises at least one turbidity sensing module [ | 11-05-2015 |
20170233270 | METHOD FOR TREATING BALLAST WATER | 08-17-2017 |
20220135434 | RAPID ENZYME ACTIVITY MEASUREMENT SYSTEM AND METHOD - An autonomous and independent biofouling detecting system for detecting biofouling associated with a plant membrane based on a test membrane. The biofouling detecting system includes the test membrane, which shares a feed with the plant membrane; a molecule detecting sensor that detects a presence of a molecule associated with biofouling of the test membrane; and a global controller that controls a flow of the feed through the test membrane and determines when the test membrane needs cleaning. | 05-05-2022 |