Class / Patent application number | Description | Number of patent applications / Date published |
210750000 | Including degassing | 29 |
20080197084 | Reversibly switchable surfactants and methods of use thereof - Reversible switchable surfactants are provided. A surfactant is the salt of an amidine or guanidine having at least one R group that is a hydrophobic moiety selected from the group consisting of higher aliphatic moiety, higher siloxyl moiety, higher aliphatic/siloxyl moiety, aliphatic/aryl moiety, siloxyl/aryl moiety, and aliphatic/siloxyl/aryl moiety. The other R groups are smaller moieties such as H, C | 08-21-2008 |
20080230485 | Method and Apparatus For Wastewater Treatment - A method for removal of foam from at least one foam accumulation region in a wastewater treatment facility, the method including causing the foam to flow from the at least one foam accumulation region into at least one foam collector and removing the foam from the at least one foam collector. | 09-25-2008 |
20080245747 | METHODS OF DEGASSING OPHTHALMIC LENS MONOMER MIXTURES - Methods of degassing silicone hydrogel lens formulations are disclosed herein. | 10-09-2008 |
20080277354 | Ballast Water System - A system and method for treatment of water contaminated with organisms, in particular ballast water in ships, the system including a pump ( | 11-13-2008 |
20090026147 | Oxidation process - A batch process for the treatment of an aqueous solution so that the treated product is more desirable for disposal includes obtaining an influent batch of aqueous solution for treatment, treating the batch of solution by an advanced oxidation process. The advanced oxidation process including causing ozone to be mixed with the solution, maintaining the mixture of solution and ozone at a pressure above atmospheric for a time of at least two seconds. In a preferred embodiment of the process, the process includes continuously recirculating the fluid to be treated, through a recirculation conduit, the recirculation conduit including an ozone injector and the ozone injector is adapted to inject ozone into the aqueous solution as the aqueous solution circulates through an ozone injector. Influent to be treated may be selected from the group including sewage, septage, leachate, ballast or other aqueous solutions where it is desirable to treat the fluid prior to disposal, further treatment, or reuse. The process is carried out to improve a level of disinfection and/or denutrification of the effluent. | 01-29-2009 |
20100219137 | Water Treatment Apparatus and Method - An apparatus and a method for an ozone-based treatment of polluted water are disclosed. The apparatus and the method generally comprise three stages. The first stage is an ozone treatment stage wherein the polluted water is treated with ozone gas. The second stage is a gas-liquid separation stage wherein excess non-dissolved gases, from the ozone treatment stage, are removed from the water whereby the water exiting the gas-liquid separation stage is substantially saturated with dissolved gases and substantially free of non-dissolved gases. The last stage is a membrane filtration stage wherein the gas-saturated water generally undergoes micro-filtration or ultra-filtration. Microbubbles formed during this final stage generally prevent the accumulation of particles and pollutants on the surface of the membranes and/or inside the openings or pores thereof; thereby acting as a self-cleaning mechanism for the membrane filter. | 09-02-2010 |
20100230366 | SEAWATER TREATMENT METHOD FOR THE PRODUCTION OF INJECTION WATER FOR UNDERSEA OIL DRILLING AND CORRESPONDING INSTALLATION - A method for decreasing the dissolved oxygen content in water used for extracting oil from rocks includes directing water and gas into a housing containing at least one hydrophobic membrane such that the water contacts only a first surface of the membrane and the gas contacts only a second surface of the membrane. The pressure of the gas is decreased thereby causing the oxygen in the water to pass through the first side of the membrane to the second side of the membrane and mix with the gas. A system for decreasing the dissolved oxygen content in water used for extracting oil from rocks includes a plurality of membrane modules. Each module contains at least one hydrophobic membrane. A water supply inlet and a gas supply inlet direct water over the first and second surface respectively of each of the hydrophobic membranes. A water outlet and a gas outlet direct water and gas respectively out of the plurality of membrane modules. | 09-16-2010 |
20100243578 | Sodium Nitrite Oxidation of Hydrogen Sulfide - A method for treating hydrogen sulfide in a solution includes providing the solution containing hydrogen sulfide. The method also includes adding sodium nitrite to the solution in an amount suitable to react with the hydrogen sulfide and treat the hydrogen sulfide. | 09-30-2010 |
20110108494 | Carbon Dioxide Delivery System - Included herein is a carbon dioxide delivery system. The system may include any of the following: (1) a body of a liquid; (2) a carbon dioxide recapture element in communication with the body; (3) a carbon dioxide generator in communication with the recapture element; and (4) a carbon dioxide effluent line exiting the generator and in communication with the body. Also included is a process of delivering carbon dioxide. The process includes capturing a first gas having a measurable amount of carbon dioxide from a body of liquid. The method also includes transmitting the first gas to a carbon dioxide generator and delivering a carbon dioxide enriched gas to the liquid. | 05-12-2011 |
20110226705 | Apparatus and Method for Dissolution of Ozone in Water and Catalytic Oxidation - A system and method for oxidation treatment of water in which ozone gas is dissolved in water by passing a mixed gas-liquid stream through a monolith at an elevated pressure that is close to the preferred gas output pressure for an ozone generator. The monolith is preferably contained at least partially within a gas-liquid separator vessel. Advanced oxidation is optionally provided by injecting hydrogen peroxide and/or embedding a catalyst on the monolith. At least a portion of the treated water is preferably recycled in order to increase total ozone dosing in the effluent stream. | 09-22-2011 |
20110272365 | REMOVAL OF HYDROGEN SULFIDE FROM WATER - A method of removing hydrogen sulfide from water is provided, comprising providing water containing a first amount of hydrogen sulfide and having a first pH; adding a stripper gas to the water to form a mixture; agitating the mixture; and separating a gaseous portion from the mixture to form a water product, the water product containing a second amount of hydrogen sulfide that is less than the first amount of hydrogen sulfide. | 11-10-2011 |
20110284477 | APPARATUS AND METHOD FOR PROCESSING LIQUID WASTE - A wastewater treatment system is described. The treatment system can include an aerobic digestion system, an anaerobic digestion system, and a ventilation system. | 11-24-2011 |
20120085710 | METHOD AND APPARATUS FOR PROVIDING AND USING HYDROGEN-BASED METHANOL FOR DENITRIFICATION PURPOSES - A green process for denitrification using a methanol-containing liquid generated by a catalytic reaction of a starting material formed by mixing carbon dioxide gas with hydrogen gas. This process can advantageously be used for denitrification in waste water treatment plants and, if the hydrogen is generated from water and/or methane derived from the waste water, the process can be self-contained and conducted completely at the waste water treatment plant. | 04-12-2012 |
20120193301 | VACUUM-EVAPORATION-BASED VOC RECOVERY DEVICE AND METHOD THEREFOR - A Volatile Organic Compounds (VOC) removal solution regeneration and recovery apparatus removes VOC contained in a VOC removal solution. The apparatus includes a liquid pump, a vacuum vessel, a vacuum pump, a gas introducing mechanism that introduces an evaporation enhancing gas into the vacuum vessel, and a liquid discharge mechanism that discharges processed VOC removal solution from the vacuum vessel. The apparatus further includes a compressor that generates compressed air having thermal energy and pressure energy. The liquid pump is an air-driven pump that is driven by air pressure as a power source, and the pressure energy of the compressed air is used as the power source of the liquid pump. | 08-02-2012 |
20120234773 | ACIDIC SLUDGE ADSORPTION OF DNT WASTEWATERS - A process for working up alkaline process wastewater from the nitration of aromatic compounds to mono-, di- and trinitroaromatics, said alkaline process wastewater having a pH of 7.5 to 13, comprising the steps of
| 09-20-2012 |
20120255914 | METHODS FOR TREATING WASTEWATER - A method for treating wastewater containing organic amines including adding glyoxal to the wastewater to remove the organic amines. | 10-11-2012 |
20130068701 | OXIDATION PROCESS - Treatment of an aqueous solution to yield a product is more desirable for disposal by an advanced oxidation process. Ozone is mixed with the solution, and maintaining at an elevated pressure for a time. The process may include recirculation past injector that injects ozone into the solution. Influent may be sewage, septage, leachate, ballast, and so on. The process disinfects and/or denutrifies the effluent. It may include (a) back-to-back processing of batches (b) overlapping processing with a previously treated batch (c) off-gassing (d) repetitive high pressure and low pressure cycles (e) post processing steps, such as retention without addition of ozone for a period of time to permit flocculates longer to form (f) post process filtering to remove flocculates (g) simultaneous post-processing of one batch while another batch is being processed. The process may include the treatment of solutions containing pharmaceuticals. | 03-21-2013 |
20130087511 | METHOD AND APPARATUS FOR REDUCING VOCS RELEASED DURING FRACKING OPERATIONS - A scrubbing system and method reduces volatile organic compound (VOC) vapors released during hydraulic fracturing. The water created by the process itself is used to help control the VOCs. During the collection process, the water and VOCs separate in a tank. A small amount of the water from below the separated VOCs is pumped to atomization equipment above the flowback liquid. In the preferred embodiment, rotary atomizers are used to create a mist of very fine droplets. Emulsifiers may be added to the water at the atomizer. The mist containing the emulsifiers is distributed throughout the space above the flowback water in the tank and on the liquid surface and walls of the tank. The mixing of the mist containing the emulsifiers and the VOC vapor allows the emulsifiers to capture the VOC vapor and return it to the liquid surface. | 04-11-2013 |
20140158638 | WATER FILTRATION AND TREATMENT SYSTEMS AND METHODS - Implementations of the present invention relate to systems, methods, and apparatus for filtering and treating water, such as tap water, well water, spring water, etc., and producing drinking, bathing, and swimming water. More specifically, such systems, methods, and apparatus can produce purified water by removing substantially all suspended as well as dissolved solids, undesirable acids, gasses and all and any contaminates from the water. Additionally, the systems, methods, and apparatus can produce reprogrammed high biophoton mineralized drinking water by chilling vortexing over proprietary lodestones, ingenious, sedimentary and metamorphic rocks and creating bicarbonate ions in the water introducing minerals and/or salts into the water. | 06-12-2014 |
20140183142 | Sodium Nitrite Oxidation of Hydrogen Sulfide - A method for treating hydrogen sulfide in a solution includes providing the solution containing hydrogen sulfide. The method also includes adding sodium nitrite to the solution in an amount suitable to react with the hydrogen sulfide and treat the hydrogen sulfide. | 07-03-2014 |
20140291258 | METHOD AND DEVICE FOR ENRICHING A LIQUID WITH OXYGEN - The invention relates to a solution for enriching a liquid with oxygen. For this purpose, oxygen from the ambient air is introduced into the liquid by means of an injector and is partially dissolved in it. The liquid which leaves the injector, and which is laden with dissolved and undissolved gas components of the air, is then introduced into at least one degassing unit ( | 10-02-2014 |
20140332474 | Process for reducing the total organic carbon of aqueous compositions - Process for reducing the Total Organic Carbon of a first aqueous composition (A) comprising submitting (A) to a treatment with active chlorine at a first pH value in order to obtain a second aqueous composition (B), submitting at least one part of (B) to a venting treatment at a second pH value lower than the first pH value in order to obtain a third aqueous composition (C) and submitting at least one part of (C) to a treatment with active chlorine at a third pH value lower than the second pH value in order to obtain a fourth aqueous composition (D) with a Total Organic Carbon lower than the Total Organic Carbon of (A). | 11-13-2014 |
20150021278 | APPARATUS FOR CONTINUOUS HYDROLYSIS - An apparatus for continuous hydrolysis of sludge comprising material of biological origin, such as organic material, the apparatus comprising a reactor with: an inlet for feeding sludge into the reactor in a feeding zone thereof, an inlet for feeding steam into the reactor in a steam feeding zone thereof, an outlet for allowing processed sludge to exit the reactor, wherein at least a part of the reactor forms a first ascending zone in which the sludge during use flows in an upwards direction, and a first descending zone in which the sludge during use flows in a downwards direction. A first gas collecting zone is defined in the transition between the first ascending zone and the first descending zone, and a first gas outlet is arranged to allow a part of the gas collected in the first gas collecting zone to be removed, while a part of the gas remains in the gas collecting zone. | 01-22-2015 |
20150034567 | Process for Removing Salts From a Processing Liquid - A process for removing acid decomposable contaminants from a processing liquid wherein an acid is admixed with a processing liquid and the mixture of acid and processing liquid are introduced into a degassing vessel such that the gas formed by the reaction of the acids and the decomposable gases is released and a processing liquid freed of acid decomposable contaminants is removed from the degassing vessel. | 02-05-2015 |
20150068985 | Method and Apparatus for Removing Chloride from Samples Containing Volatile Organic Carbon - A method for removing chloride from samples containing volatile organic carbon, wherein a chloride containing sample is mixed with a difficultly volatile acid, wherein hydrochloric acid gas arises, which is present in dissolved form in a sample-acid mixture and then the hydrochloric acid gas is purged by a carrier gas from the sample-acid mixture, wherein the hydrochloric acid gas is removed from the carrier gas following the purging and the carrier gas is fed back to the sample-acid mixture. In order during the hydrochloric acid purging largely to suppress the driving out of easily volatile organic compounds, the sample-acid mixture has a temperature of approximately 3° C. to 30° C., wherein, following the purging from the sample-acid mixture, the hydrochloric acid gas is removed from the carrier gas by absorption with water. | 03-12-2015 |
20150353380 | LIQUID TREATMENT DEVICE - The invention relates to a device for treating a liquid containing a dissolved gas, said device comprising: a hydrodynamic reactor capable of generating, by cavitation, bubbles of said gas within said liquid, and a gas separator capable of extracting said bubbles from said liquid. | 12-10-2015 |
20160046505 | THE CLEANING OF RESERVOIR WATER - The present invention relates to a simple and improved process for removing aromatic hydrocarbons from deposit water through the use of associated petroleum gas as stripping gas. | 02-18-2016 |
20160096745 | WATER DEGASSING SYSTEM AND METHOD - A system for degassing water includes a membrane contactor of degassing water, and a membrane module for enriching nitrogen from a source having <98% nitrogen purity coupled to said degassing membrane module. The enriching membrane module may be physically connected to the degassing membrane contactor. A method for degassing water includes the steps of: enriching a nitrogen gas having a purity of <98% to a purity of >99% via a membrane module, feeding the enriched nitrogen gas to a degassing membrane contactor, and degassing the water with the degassing membrane contactor. The water may be seawater, and/or ground water, and/or river water and/or surface water. | 04-07-2016 |
20160145127 | SYSTEM AND METHOD FOR REDUCING GAS EMISSIONS FROM WET FLUE GAS DESULFURIZATION WASTE WATER - A method and a system ( | 05-26-2016 |