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9017556 Ultrapure water production method and apparatus therefor  
Ultrapure water of high purity having extremely low TOC concentration is produced by efficiently degrading urea in raw water by biological activated carbon treatment even when the raw water...
9011687 Method and apparatus for producing autologous clotting components  
A method and apparatus for obtaining various components of a multi-component material. Generally, a component of a whole blood sample may be concentrated from a patient and re-introduced to the...
8999174 Chlorine tablet chamber vacuum systems  
A chlorine tablet chlorinator vacuum evacuation system for attaching to a chlorine tablet chlorinator used in a potable water system. The chlorine tablet chlorinator vacuum evacuation system is...
8916048 Water treatment method and method for producing ultrapure water  
A water treatment method and a method for producing ultrapure water are provided in which urea in raw water is sufficiently decomposed, and an organism (bacterial cells) in biological treatment is...
8871097 Reclamation of formate brines  
A method of reclaiming a formate brine may include increasing the pH of a spent formate brine fluid comprising water-soluble polymers; treating the fluid with an oxidizing agent; and removing at...
8852437 Method and production plant for producing sterile water  
A method of producing sterile water from raw water during a production cycle in a production plant P, including adding a disinfectant to the produced sterile water during the production cycle to...
8772220 Chemical delivery product and process for making the same  
A chemical delivery product for delivering an oxidizing chemical into an aqueous system is disclosed. For instance, in one embodiment, a substrate containing an oxidizing chemical, such as...
8753566 Method for treating condensed vapor streams containing odorous compounds  
The invention relates to methods and apparatuses for treating a condensate stream from a condenser that contains odorous compounds, such as various condensate streams produced in a rendering...
8741157 Biofouling control  
A system and method for stabilizing bromine in an industrial water system by monitoring and flexible dosing of chlorine oxidant and halide ion stabilizer residual levels. The system comprises...
8734653 Mercury remediation method and apparatus  
A mercury remediation method and apparatus for reducing mercury levels in water to a nanogram per liter level that uses four treatment steps: (1) chelation; (2) oxidation; (3) reduction; and (4)...
8728657 Method for producing lithium difluorophosphate and nonaqueous electrolyte battery using the same  
An object of the present invention is to provide: a production method for commercially advantageously producing lithium difluorophosphate or an electrolyte solution containing the lithium...
8709263 Pressurizing-depressurizing cycles for removal of contaminants in environmental samples  
A method of removing contaminants from slurry samples is set forth. The method includes the utilization of repeated pressurizing and depressurizing steps to disrupt solidified particles in...
8685249 Multi-stage seawater desalination apparatus and operation control method of multi-stage seawater desalination apparatus  
A high-pressure pump P1 that increases the pressure of raw water, a high-pressure reverse osmosis device including a high-pressure reverse osmosis membrane for concentrating a salt content in...
8668779 Method of simultaneously cleaning and disinfecting industrial water systems  
A method of simultaneously cleaning and disinfecting an industrial water system is described and claimed. The method involves the addition to the water of the industrial water system of a Compound...
8663481 Method of treating water with chlorine dioxide  
A method of treating water with chlorine dioxide (ClO2), by: surrounding a reaction chamber, in which the ClO2 is generated, with water, wherein the water surrounding the reaction chamber is...
8613859 Synergistic biocide and process for controlling growth of microoganisms  
Synergistic mixtures of haloamines and their use to control the growth of microorganisms in aqueous systems are disclosed. The method of using the synergistic mixtures entails adding an effective...
8591740 Method and system for biofouling control of shipboard components  
A chlorine based biofouling control subsystem is utilized to facilitate shipboard water management systems such as ballast water management that employ filters. The biofouling control system can...
8551344 Method and apparatus for producing autologous clotting components  
A method and apparatus for obtaining various components of a multi-component material. Generally, a component of a whole blood sample may be concentrated from a patient and re-introduced to the...
8496830 Treatment of water with hypobromite solution  
A process of producing ultrapure water includes passing a water stream through a plurality of treatment stages in which inorganic and organic species which are present in the water are separated...
8486276 Method of treating water and aqueous systems in pipes with chlorine dioxide  
The present invention relates to a method of treating water and an aqueous system, situated in a pipe, with chlorine dioxide (ClO2), the method including generating ClO2 in a reaction space such...
8465653 Marine wastewater treatment  
Methods and systems for treating wastewater. Wastewater slurry collected in a tank is routed by a macerator pump. The macerated slurry is piped to an electrolytic cell to oxidize and disinfect it....
8444860 Method and apparatus for disinfecting hot water  
A method for disinfecting hot water, in recirculating systems, includes producing monochloramine directly in hot water, at a temperature higher than 30° C. in a hot water circulating system The...
8435413 Method for controlling a waste water concentration of cleaning solution containing phosphorus  
A method of controlling the concentration of P of cleaning solution waste water starts by providing a waste water buffer tank capable of either sending the waste water to a waste water treatment...
8366936 Water treatment system with water filter having zeolite layers and activated carbon layer  
A water filtration system with a filter and method for filtering raw water having a series of media layers in the following order: 1) sand to gravel or coarse silica; 2) zeolite; 3) activated...
8323511 Method and apparatuses for connecting sanitizing and other devices to water lines  
A method for connecting a chlorine generator to a pipe carrying a flow of water is disclosed. A short section of rigid pipe conveying water to the chlorine generator is configured at an end...
8307484 Method and apparatus for operation of pool cleaner with integral chlorine generator  
An automated self-propelled pool cleaner having a housing, a water pump for moving water through the housing, drive means for moving the pool cleaner over the surface of the salt water pool to be...
8298391 Amperometric sensor  
An amperometric sensor includes a first electrode, a second electrode and a reference electrode. The sensor further includes a switch to selectably electrically connect the first electrode as a...
8273254 Spa water sanitizing system  
A method of sanitizing water contained in a spa is provided which comprises installing a chlorine generating cell including a diamond electrode in a filter compartment of the spa, employing a...
8246942 Microbicidal compositions  
The invention relates to synergistic mixtures of o-phenylphenol with other microbicidally active compounds, such as bronopol (2-bromo-2-nitro-1,3-propanedial), 2-methyl-2H-isothiazol-3-one,...
8226832 Portable water treatment method  
A method that can be used in a portable system and apparatus to effectively and efficiently treat aqueous fluids by quickly and reliably adjusting and controlling the free residual level of...
8211296 Portable water treatment system and apparatus  
A portable water treatment system and apparatus is disclosed that can effectively and efficiently treat aqueous fluids by quickly and reliably adjusting and controlling the free residual level of...
8192616 Pressurized wastewater effluent chlorination system  
A pressurized wastewater effluent chlorination system including a treatment tank defining a contact chamber and an aeration chamber. The treatment tank receives wastewater effluent. The system...
8168072 Control of development of biofilms in industrial process water  
There is provided a method of inhibiting the development of a biofilm adjacent a surface, the method comprising intermittently applying a biofilm inhibiting substance to a collection of...
8119008 Fluid purification methods and devices  
Disclosed is a method of purifying fluid, typically an aqueous fluid steam, with the method involving at least two reverse osmosis stages with retentate from a first reverse osmosis stage being...
8114298 Method, device and system for water treatment  
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...
8105494 Method for controlling bacterial growth in process water  
A system for reducing or preventing the growth of organisms in the process water used to coat glass fibers with a formaldehyde-free binder composition. One or more biocides is added to the process...
8092741 Water chlorinating device  
A water chlorinating device having a vessel (2) in turn having a bottom portion (6) for containing water; a grille (10) located over the bottom portion and for supporting a solid chemical...
8075784 Water treatment methods and systems using combinations of ozone and chlorine generators  
Methods and apparatus for efficient implementation and control of water treatment bypass loops combining ozone and chlorine injection are disclosed. Combined use of ozone and chlorine exploits...
8070941 Control system  
A control system comprising a timer based controller and a valve wherein the timer-based controller has a fixed period and the timer based controller regularly cycles the valve between a first...
8070962 Using oxidizing agents to remove thiocyanates from brines  
A method for reclamation of a brine that includes mixing a brine containing thiocyanates with an oxidizing agent; and allowing for a time sufficient for the oxidizing agent to oxidize at least a...
8065906 Detection of free chlorine in water  
The present invention describes methods and kits for determining the concentration of free chlorine in water. To avoid false readings from other species present in the water, the free chlorine is...
7993579 Magazine loading of solid products and method of dispensing same  
A method of dispensing a first solid product and a second solid product with a solid product dispenser includes placing the first solid product in a product housing of the dispenser and placing...
7985413 Microbiological control in aqueous systems  
Microbiological control is achieved by continuously and inexpensively dosing water in contact with biofilm, or that comes into contact with biofilm, using a highly effective biocide that provides...
7981297 Wastewater treatment method comprising decantation and fine screening stages  
A method for removing helminth egg and other suspended solids from a wastewater stream includes directing the wastewater to a ballasted flocculation system and adding a coagulation agent,...
7976725 Cyclic process for the efficient generation of chlorine dioxide in dilute solutions  
An efficient cyclic process and related compositions for the in-situ generation of chlorine dioxide from dilute solutions of chlorite anions at near neutral pH. The cyclic process provides a means...
7964102 Titanium composition for water treatment and method  
A personally portable water purification compound prepared in unit dosage form such as tablets, packages and the like and having titanium dioxide (TiO2) in the form of fine particles, and adsorbed...
7927496 Control of development of biofilms in industrial process water  
There is provided a method of inhibiting the development of a biofilm adjacent a surface, the method comprising intermittently applying a biofilm inhibiting substance to a collection of...
7927509 Cyclic process for the efficient generation of chlorine dioxide in dilute solutions  
An efficient cyclic process and related compositions for the in-situ generation of chlorine dioxide from dilute solutions of chlorite anions at near neutral pH. The cyclic process provides a means...
7927508 Composition and process for enhanced sanitation and oxidation of aqueous systems  
An efficient cyclic process and related compositions for the in-situ generation of oxyhalogens from anions of chloride, bromide and chlorite in an aqueous system using in-situ generated sulfate...
7922933 Composition and method for enhanced sanitation and oxidation of aqueous systems  
This invention relates to a method for enhanced sanitation and oxidation of aqueous solutions at aquatic facilities. The method provides a means for the in-situ generation of chlorine dioxide from...