Class / Patent application number | Description | Number of patent applications / Date published |
210714000 | Seeding | 15 |
20090114600 | METAL COMPOUND REMOVAL - The present invention relates to a process for separating at least one metal compound and/or a component thereof from a mixture, said process comprising contacting the said mixture with a heteropoly acid or heteropoly acid anion, thereby producing a precipitate comprising the heteropoly acid or heteropoly acid anion and the metal compound and/or a component thereof. The present invention further relates to a process for the purification of a mixture containing at least one metal compound, said process comprising contacting the said mixture with a heteropoly acid or heteropoly acid anion, thereby producing a precipitate that is substantially insoluble in the said reaction mixture and recovering the reaction mixture. | 05-07-2009 |
20090250403 | Process for removing aluminum and other metal chlorides from chlorosilanes - A process for removing aluminum and other metal chlorides from liquid chlorosilanes with the steps of: introducing a source of seed into a source of impure liquid chlorosilanes, initiating the crystallization of aluminum and other metal chlorides on the seed from the liquid chlorosilanes in a first agitated vessel, passing the resulting mixture of liquid and solids through a cooler into a second agitated vessel for additional crystallization, transferring the resulting mixture of liquid and solids into a solids removal device, transferring the liquid with reduced solids content to a further process or vessel and transferring the liquid with high solids content into a waste concentration device, passing the resulting liquid with reduced solids content to a further process or vessel and passing the resultant liquid with very high solids content to a waste storage vessel with agitation. | 10-08-2009 |
20110089118 | SURFACE-ROUGHENED HIGH-DENSITY FUNCTIONAL PARTICLE, METHOD FOR PRODUCING THE SAME AND METHOD FOR TREATING TARGET SUBSTANCE WITH THE SAME - The particle of the present invention is a high-density particle to which a target substance can be bound, wherein the surface of the particle body is a roughened surface. The particle is characterized in that a substance or functional group to which a target substance can bind is immobilized on the roughened surface of the particle body, and the specific surface area of the particle is 1.4 to 100 times the specific surface area of a true spherical particle having the same particle size and the same density as those of the particle of the invention. In the particle of the invention, the accumulated micropore volume [cm | 04-21-2011 |
20110114567 | PRECIPITATION DEVICE, METHOD AND ASSOCIATED SYSTEM - A precipitation device comprises a precipitation element disposed within a vessel and configured to define a precipitation zone and a solid-liquid separation zone between the precipitation element and the vessel, the precipitation zone configured to receive a first stream of saline liquid and to precipitate solids from the saline liquid, the solid-liquid separation zone configured to settle the solids by gravity, and an exit port located in an upper portion of the vessel and configured for exit of a second stream of liquid of lower salinity than the first stream, wherein a ratio of a diameter of the vessel to a diameter of the precipitation element ranges from about 1.5 to about 2.8. Associated system and method are also provided. | 05-19-2011 |
20110259830 | SEED-CONJUGATED POLYMER SUPPORT - The present invention relates to a seed-conjugated polymer support. In particular, the present invention is directed to a seed-conjugated polymer support for aggregating biomolecules, a method for preparing the same, and a method for removing β-2-microglobulin. | 10-27-2011 |
20120160777 | SULFATE MOLECULE REMOVAL THROUGH INORGANIC OR DIVALENT ION NUCLEI SEEDING - Methods and apparatus of embodiments of the invention relate to treating water including contacting a liquid stream with a source comprising inorganic and/or divalent ions and separating the stream into an effluent and a fluid comprising less sulfate than the stream, wherein the effluent comprises more sulfate and more inorganic and/or divalent ions than the stream. Methods and apparatus relate to treating water including a reaction unit comprising an inlet for feed fluid and an inlet for inorganic and/or divalent ions and a separator unit comprising an inlet for output from the reaction unit, an outlet for effluent, and an outlet for fluid comprising less sulfate than the feed fluid. Some embodiments include introducing the fluid comprising less sulfate than the stream into a subterranean formation. | 06-28-2012 |
20120160778 | SULFATE MOLECULE REMOVAL THROUGH INORGANIC OR DIVALENT ION NUCLEI SEEDING - Methods and apparatus of embodiments of the invention relate to treating water including contacting a liquid stream with a source comprising inorganic and/or divalent ions and separating the stream into an effluent and a fluid comprising less sulfate than the stream, wherein the effluent comprises more sulfate and more inorganic and/or divalent ions than the stream. Methods and apparatus relate to treating water including a reaction unit comprising an inlet for feed fluid and an inlet for inorganic and/or divalent ions and a separator unit comprising an inlet for output from the reaction unit, an outlet for effluent, and an outlet for fluid comprising less sulfate than the feed fluid. Some embodiments include introducing the fluid comprising less sulfate than the stream into a subterranean formation. | 06-28-2012 |
20120267315 | TREATMENT OF WASTEWATER - The invention encompasses systems and methods for removing contaminants from an aqueous stream using systems and methods that add treatment agents comprising anchor particles and tethers, with optional activating agents or activators. | 10-25-2012 |
20140014590 | METHOD FOR PREPARING POTABLE WATER FROM CONTAMINATED CRUDE WATER - The invention relates to a method for preparing potable water from crude water containing trace species contaminants. The method includes the steps of separating iron compounds and optionally other compounds from the crude water, contacting the water with a ferrous material, co-precipitating trace species upon aeration, and recovering drinking water. | 01-16-2014 |
20140042100 | METHOD FOR PRETREATMENT OF WASTEWATER AND RECREATIONAL WATER WITH NANOCOMPOSITES - A single step pretreatment of wastewater or recreational water is provided comprising treatment with nanocomposites consisting of an anchoring particle such as a clay mineral and one or more polymers. | 02-13-2014 |
20140054233 | Selective Removal of Silica from Silica Containing Brines - This invention relates to a method for selective removal of silica and silicon containing compounds from solutions that include silica and silicon containing compounds, including geothermal brines. | 02-27-2014 |
20150008189 | EVAPORATIVE TREATMENT METHOD FOR AQUEOUS SOLUTION - The present invention provides an aqueous solution evaporative treatment method that makes it possible to efficiently perform evaporative treatment of a silica-containing aqueous solution. The aqueous solution evaporative treatment method comprises a seed crystal mixing step of adding to and mixing with a silica-containing aqueous solution a silicate as seed crystals and an evaporative concentration step of evaporatively concentrating the aqueous solution together with the seed crystals. The silicate is preferably magnesium silicate and/or calcium silicate. | 01-08-2015 |
20160121268 | SEPARATION AND CONCENTRATION OF ISOTOPOLOGUES - Disclosed herein are methods and systems for removing tritium oxide from a mixture comprising water. The method captures the tritium oxide in a much smaller volume suitable for economical disposal. The decontaminated water may be then be discharged. | 05-05-2016 |
210715000 | Utilizing sludge or floc blanket | 2 |
20110303614 | Method of Flocculation - A coagulation treatment method for water to be treated that is capable of reducing the degree of inflow of micro flocs reaching a sand filtration layer while realizing a higher density and miniaturization of micro flocs and flocs in a state where the use of an inorganic coagulant is limited by dramatic improvement in residual percentage in a contact-media accumulation tank, based on obtaining a residual percentage (filtration rate) not less than 80% of flocs with particle diameters not less than 7.0 μm in a contact-media accumulation tank from a stage that the water to be treated starts to pass through by interposing the contact-media accumulation tank in a micro flocculation step and a sand filtration step, and filling flocs with particle diameters not less than 7.0 μm in advance at an inlet of the contact-media accumulation tank and/or the vicinity of the inlet. | 12-15-2011 |
20120211432 | STAND-ALONE INTEGRATED WATER TREATMENT SYSTEM FOR DISTRIBUTED WATER SUPPLY TO SMALL COMMUNITIES - Provided is a standalone integrated water treatment system for a distributed water supply including a filter input a coagulation system in operative connection with the filter input, wherein the water is subjected to a coagulation process to create pin floc from suspensions in the water. A maturation buffer tank in operative connection with the coagulation system aggregates floc in size within the water. A spiral separator separates the water into two water streams, a first stream of water having most of the floc removed, and a second stream of water which includes a concentrated amount of the floc. An optional filtration system is configured to receive the first stream of water and perform a filtration operation thereon. A sterilization system is configured to perform a sterilization operation on the first stream of water. The water is then output from the sterilization system as potable water. | 08-23-2012 |