Class / Patent application number | Description | Number of patent applications / Date published |
210664000 | By distilling or degassing | 16 |
20080223788 | Aerobic spa system - An aerobic spa system comprising a water source providing water, an ozone source providing ozone, an ozone introduction mechanism adapted to introduce at least some of the ozone into the water, an ozone saturation mechanism adapted to cause at least some of the ozone to be dissolved into the water, a substantially enclosed chamber receiving water containing dissolved ozone; and a user at least partially disposed inside the chamber who comes into contact with the water containing dissolved ozone. | 09-18-2008 |
20090101583 | HYBRID MEMBRANE MODULE, SYSTEM AND PROCESS FOR TREATMENT OF INDUSTRIAL WASTEWATER - A process for reducing the content and volume of organic matter in a wastewater stream comprises contacting the latter with a nanofiltration device so as to obtain a concentrate, and a permeate as an aqueous stream containing any salts of non-precipitable metal ions which may be present, then contacting the concentrate with a preferably backflashable ultrafiltration device, and optionally also with activated carbon. This process may be part of a broader one which also removes other components from the wastewater stream. A module comprising (a) a nanofiltration device; (b) a preferably backflashable ultrafiltration device; (c) conduit(s) adapted to convey nanofiltration device concentrate to the ultrafiltration device; and optionally (d) a vessel containing activated carbon; as well as a system for treating a wastewater stream which includes this module, also form part of the invention. | 04-23-2009 |
20100000946 | PRODUCTION OF A FERMENTATION PRODUCT - A process of separating suspended solids from a fermentation liquor by subjecting the liquor to a solids-liquid separation stage, | 01-07-2010 |
20100012590 | METHOD AND SYSTEM FOR TREATMENT OF WATER - A method and a device for the treatment of water. The device has a housing comprising an inlet for receiving and an outlet for discharging a volume of water; a first filter media, positioned within the housing comprising an acidic cation exchange resin capable of exchanging at least a portion of metal cations in the volume of water with non-metal cations such that the volume of water exiting the first filter media is reduced in metal cation content; and a second filter media positioned within the housing comprising a weakly basic anion exchange resin capable of exchanging at least a portion of the basic anions in the volume of water, where the first filter media or the second filter media are optionally mixed with a particulate activated carbon. Methods of treating water using the device are disclosed and described. | 01-21-2010 |
20100219132 | METHOD AND SYSTEM OF DESTRUCTION OF VOLATILE COMPOUNDS IN WASTEWATER - The invention proposes a method of destruction of volatile organic and inorganic compounds in wastewater, this method includes following stages: stripping the aforementioned volatile compounds in a stripping-chemisorption column; preliminary heating the gaseous medium containing these volatile compounds in a first heat regenerator; thermal, flare or thermo-catalytic oxidation of the volatile compounds in circulating gaseous medium; cooling the gaseous medium in a second heat regenerator; chemisorption of acidic gases from the gaseous medium in the stripping-chemisorption column with stripping at the same time additional amount of the volatile compounds from the wastewater. After specific period, direction of the gaseous medium flow is alternated. The proposed method can be executed at elevated temperature. The invention includes as well systems realizing the proposed method. | 09-02-2010 |
20100243569 | STEAM BOILER APPARATUS AND OPERATING METHOD THEREFOR - It is intended to effectively suppress corrosion of a feed-water supply pipe in a preheater, by means of recirculation of boiler water to feed-water to be supplied to a steam boiler, even if a concentration of an alkaline component of the feed-water is relatively high. An alkali metal hydroxide is added from an agent-adding unit ( | 09-30-2010 |
20110042318 | SYSTEMS, METHODS AND COMPOSITIONS FOR THE SEPARATION AND RECOVERY OF HYDROCARBONS FROM PARTICULATE MATTER - Systems, methods and compositions for the separation and recovery of hydrocarbons from particulate matter are herein disclosed. According to one embodiment, a method includes contacting particulate matter with at least one ionic liquid. The particulate matter contains at least one hydrocarbon and at least one solid particulate. When the particulate matter is contacted with the ionic liquid, the hydrocarbon dissociates from the solid particulate to form a multiphase system. | 02-24-2011 |
20110100917 | Method for Recovering Amine From Amine-Containing Waste Water - Provided is a method for recovering high-concentration and high-purity amine from amine-containing waste water generated from nuclear power plants and thermal power plants. The method includes: capturing amine and concentrating waste water using a cation exchange resin; separating amine from the concentrated amine-containing waste water; and carrying out further separation of amine via distillation. The method may be applied to treat amine, which causes an increase in biochemical oxygen demand (BOD) and total nitrogen concentration, drastically at the time of its generation from waste water of nuclear power plants and thermal power plants. In this manner, the method may prevent an increase in load of existing waste water treating plants and avoid a need for modifying the equipment in the existing plants. In addition, the method disclosed herein may allow recovery and reutilization of amine, injected continuously to prevent corrosion of water/vapor circulation systems of nuclear power plants and thermal power plants, thereby improving the cost-efficiency in such power plants. | 05-05-2011 |
20110147313 | PROCESS FOR THE TREATMENT OF THE AQUEOUS STREAM COMING FROM THE FISCHER-TROPSCH REACTION BY MEANS OF ION EXCHANGE RESINS - Process for the treatment of the aqueous stream coming from the Fischer-Tropsch reaction comprising: feeding the aqueous stream containing the organic by products of the reaction to a distillation or stripping column; separation from the column of an aqueous stream enriched in alcohols having from 1 to 8 carbon atoms and other possible volatile compounds; feeding the aqueous stream containing the organic acids leaving the bottom of the distillation column to an ion exchange step wherein said aqueous stream is put in contact with an anionic exchange resin bed and the production of two outgoing aqueous streams: an aqueous stream (i) enriched in organic acids having from 1 to 8 carbon atoms; a purified aqueous stream (ii) with a low content of organic acids. | 06-23-2011 |
20120175308 | METHOD FOR REMOVING ALKALINITY, HARDNESS, AND DISSOLVED SOLIDS FROM WASTE WATER - A highly efficient method for treating contaminated water streams from any source where alkanlinity, hardness, or dissolved solids need to be removed before the water is discharged to the surrounding environment or sent to a secondary treatment facility. | 07-12-2012 |
20120199534 | DESALINATION METHODS - In accordance with particular embodiments, a desalination system includes a plurality of evaporators. The plurality of evaporators includes at least a first evaporator and a last evaporator. The plurality of evaporators are arranged in cascading fashion such that a concentration of salt in a brine solution increases as the brine solution passes through the plurality of evaporators from the first evaporator towards the last evaporator. The desalination system also includes a plurality of heat exchangers. An input of each evaporator is coupled to at least one of the plurality of heat exchangers. The system also includes a vapor source coupled to at least one of the plurality of evaporators. | 08-09-2012 |
20120234764 | METHOD FOR TREATING BORON-CONTAINING WATER AND APPARATUS FOR TREATING BORON-CONTAINING WATER - There is provided an efficient treatment method for boron-containing water capable of reducing an amount of use of medical agent and an amount of generation of sludge. A treatment method for boron-containing water of an embodiment includes a first process of concentrating boron-containing water to obtain boron-concentrated liquid. Further, the method includes a second process of making the boron-concentrated liquid to be brought into contact with a layered inorganic hydroxide, and making the layered inorganic hydroxide adsorb boron in the boron-concentrated liquid to remove boron. | 09-20-2012 |
20120292256 | Hydrophobic Materials Made By Vapor Deposition Coating and Applications Thereof - Methods are provided for vapor deposition coating of hydrophobic materials and applications thereof. The method for making a hydrophobic material includes providing a natural mineral, providing a silicone-based material, heating the silicone-based material to release vaporous molecules of the silicone-based material, and depositing the vaporous molecules of the silicone-based material to form a layer of the silicone-based material on surfaces of the natural mineral. | 11-22-2012 |
20120318743 | Water Desalination and Treatment System and Method - The invention comprises water desalination methods and a system for such, which includes treatment of water in cation and anion ion exchange columns, and regenerating the columns after treatment of the water to set them up again for a further treatment cycle, and also providing recoverable by-products during the regeneration of the ion exchange columns instead of waste. | 12-20-2012 |
20130292335 | PHYSICO-CHEMICAL PROCESS FOR REMOVAL OF NITROGEN SPECIES FROM RECIRCULATED AQUACULTURE SYSTEMS - The present invention provides processes for removing nitrogen species from fresh water or high salinity water recirculated aquaculture systems. The processes are based on physico-chemical treatments which are performed at ambient temperatures and at low p H values thus keeping the total ammonia nitrogen concentrations below a value which is considered detrimental for the growth or survival rate of cultured fish/shrimp. | 11-07-2013 |
20150144565 | Methods to Separate Brine From Invert Emulsions Used in Drilling and Completion Fluids - Methods to separate or recover brine that is present in an invert emulsion are described. The brine is present as an internal phase in the invert emulsion. The brine can be a valuable component, such as an alkali metal formate, and separation and recovering of the brine from the invert emulsion permits the brine to be reused. | 05-28-2015 |