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| Number | Title | Issue Date |
| 7368039 | Distiller employing cyclical evaporation-surface wetting A distillation unit (10) employs a rotary heat exchanger (32) forming a multiplicity of evaporation chambers (56) into which a liquid to be purified is sprayed for evaporation. Spray arms (58) spray at a steady rate into all of the evapor... | 05/06/2008 |
| 7036508 | Harness assembly for a nasal mask A harness assembly for a nasal mask for communicating breathable gas to a patient's airways, for example, in the administering of CPAP or like breathable gas delivery treatments, includes a cap portion adapted to engage, in use, the occipital region of the skull. Th... | 05/02/2006 |
| 6957502 | Fluid bed granulation apparatus A nozzle for distributor devices of granule's growth liquid substance in fluid bed granulators, is distinguished by the fact that it comprises a duct (2) having, at one end, at least one inlet opening (3) for a flow (F) of a chosen granule's growth liq... | 10/25/2005 |
| 6955705 | Method and system for compressing and dehydrating wet natural gas produced from low-pressure wells Method and system for compressing and dehydrating wet natural gas produced from a low-pressure well using a rotary screw compressor. A dehydrating agent is combined with wet natural gas within a rotary screw compressor. Operation of the rotary screw compressor cause... | 10/18/2005 |
| 6956101 | Method and installation for extracting a monomer from an aqueous slurry containing a polymer Process and installation for extracting a monomer from an aqueous broth of a polymer, in which, after the broth has been heated, the broth is subjected to a depressurization in a depressurization chamber and is then introduced into a vertical column, divided into se... | 10/18/2005 |
| 6820865 | Nozzle valve type spray dryer This method achieves spray drying by injection super heated slurry type material counter currently into a duct delivering preheated drying gas. Drying gas velocity is above flooding velocity, and the feed spray is delivered by a variable-flow nozzle valve which main... | 11/23/2004 |
| 6190498 | Evaporator A relatively simple portable evaporator for quickly evaporating large volumes of water includes a stand with adjustable legs, a frame carrying a tubular housing and a motor rotatably mounted on the stand for rotation around a vertical axis, a fan in the h... | 02/20/2001 |
| 5804039 | Method for removing residual monomers A method for removing residual vinyl chloride monomers from an aqueous slurry is disclosed. The method preferably utilizes a tower having a plurality of vertically spaced plates, which define a plurality of chambers, each chamber defined between adjacent ... | 09/08/1998 |
| 5738762 | Separating oil and water from emulsions containing toxic light ends An improved process for separating oil and water from an emulsion containing toxic light ends by flashing the heated and pressurized emulsion, condensing and separating the vaporized water and light ends, recovering the light ends, and recycling the conde... | 04/14/1998 |
| 5695614 | Method for processing waste liquids in particular industrial waste water having a high solids content A method for processing waste liquids, having high solids content. The process includes the steps of spraying and evaporating the waste liquid together with a dry gas in a counterflow of dry gas within a spray tower, collecting the solids of the waste wat... | 12/09/1997 |
| 5684125 | Method and device for purifying liquid polysiloxane material and its use The invention relates to a method for purifying liquid polysiloxane containing impurities as a low-molecular-weight fraction, by evaporating the low-molecular-weight fraction, in which method a liquid stream of impure liquid material in the form of a bund... | 11/04/1997 |
| 5389209 | Production of high quality maple syrup A process for making a light color maple syrup from a water-containing sap. In a first step, the sap is boiled under normal pressure to evaporate part of the water contained therein in the form of steam, to form the maple syrup and to develop caramelized ... | 02/14/1995 |
| 5330544 | Process and apparatus for increasing the size of ammonium sulfate crystals The average size of ammonium sulfate crystals is increased by passing undersized ammonium sulfate crystals through a multistage apparatus in which the crystals are contacted with an aqueous ammonium sulfate spray in a first heated chamber to increase the ... | 07/19/1994 |
| 5259931 | Stripping tower system for removing volatile components from water containing the same A system for removing volatile constituents (e.g., hydrocarbons) from a liquid (e.g., water) containing the same by which there is a continuous countercurrent contact between the liquid and a forced air flow. Water collected in a reservoir is continuously... | 11/09/1993 |
| 5149398 | Apparatus for producing a fast dissolving granular product A process and apparatus utilizing the process of the present invention are provided to produce a fast dissolving, thermally sensitive granular product. The process employs a fluidized spray dryer having a fluidized bed of granular particles into which rec... | 09/22/1992 |
| 5092960 | Method for drying suspensions of organic solids in water Distillers syrup or similar liquid solutions or suspensions of organic solids and oil and water is dried to obtain granular solids with improved syrup content by continuously spraying the syrup or liquid onto the upper surface of a previous bed of granula... | 03/03/1992 |
| 5084188 | Method and device for separation of materials suspended or dissolved in a liquid and application fields A method and device for separating materials suspended or dissolved in a liquid. The device includes a cross-beam (1), supported by masts (2) in which are fixed spraying heads (3) supplied by by-pass lines (13) from a conduit (4), sucking from a vat (5) t... | 01/28/1992 |
| 4963226 | Process for spray-drying detergent compositions A method is provided for spray-drying, large volumes of a detergent slurry in a spray-drying tower which includes spraying at least a portion of the slurry, cocurrently with air having a specified temperature and velocity range, through uniformly spaced a... | 10/16/1990 |
| 4906338 | Method and apparatus for removing volatile organic constituents of gasoline from gasoline-water mixture, and from contaminated water at underground sites A method for removing the volatile constituents from gasoline and volatile organic chemicals from contaminated potable water when a fluid including gasoline-water mixture and when contaminated potable water is introduced into a vertical tower includes the... | 03/06/1990 |
| 4842055 | Heat exchanger A heat exchanger of vertical type in which fluid flows vertically downwardly comprises a cylindrical outer shell which is approximately divided by upper and lower tube plates into an upper plenum, a lower water passage, and an intermediate heat exchanging... | 06/27/1989 |
| 4818424 | Spray drying of a detergent containing a porus crystal-growth-modified carbonate Granular spray-dried detergent compositions including a liquid component unsuitable for spray-drying are prepared by co-spray-drying a slurry of a porous crystal-growth-modified carbonate-based carrier salt and a detergent slurry containing detergent-acti... | 04/04/1989 |
| 4741803 | Spray dryer and operating method therefor A spray dryer consisting of a tower-like drying container with spraying elements for introducing therein the material to be dried, pipelines and heater for injecting a heated drying gas, and a separator for separating dry fine material and gas. The dry fi... | 05/03/1988 |
| 4661281 | Process for the production of a spray-dried nonionic washing aid A free-flowing washing powder of low specific gravity (powder density 300 to 500 g/l) and containing large quantities of nonionic surfactants is produced by spray-drying an aqueous suspension containing on the spray-dried basis (A) from 15 to 30% by weigh... | 04/28/1987 |
| 4568258 | Apparatus for particulating materials An apparatus for drying pellets of particulate material such as carbon black is characterized by a columnar drying vessel containing inclined trays or screens positioned so that the pellets or particulates roll from screen to screen down the column. Prefe... | 02/04/1986 |
| 4568417 | Control system for prilling towers An apparatus and method for controlling the moisture content of prilled products which are produced by air drying a spray of the liquid product, comprises a vessel for receiving a flow of air and a flow of the liquid product (10), a supply line for supply... | 02/04/1986 |
| 4552681 | Granular, free-flowing detergent component and method for its production This invention relates to a granular, free-flowing detergent component which dissolves rapidly in water and which has a powder density of from 550 to 900 g/l, consisting of synthetic, essentially nonionic surfactants, inorganic supports, other organic was... | 11/12/1985 |
| 4549978 | Process for manufacture of detergent powder A process for manufacturing detergent powder containing heat-sensitive components is disclosed. The process involves preparation of two separate crutcher slurries, one containing the relatively heat-stable components which is sprayed in a conventional man... | 10/29/1985 |
| 4490403 | Process for producing an agglomerated powdery milk product An agglomerated powdery milk product is prepared by spraying a concentrate of milk or a fraction thereof into a stream of drying gas directed against the surface of a fluidized layer of already spray dried particles in a conical chamber, thereby obtaining... | 12/25/1984 |
| 4421594 | Method of and apparatus for producing granulated products from a suspension Disclosed is a method of producing granulated products from a suspension, which comprises in general the steps of spraying the suspension in a suspension spraying zone, introducing a heat-carrier in the form of a spiral flow to a zone disposed beneath the... | 12/20/1983 |
| 4370198 | Method and apparatus for the recovery of the solid material content of solutions and/or suspensions as granules in a gas fluidized bed Method and apparatus for the recovery of the solid material content of solutions and/or suspensions as granules in a gas fluidized bed which contains particles, the composition of which is identical with that of the solid material in the solution and/or s... | 01/25/1983 |
| 4369091 | Method and apparatus for drying a liquid product A spray drying apparatus with a drying chamber (10) in which a liquid product is atomized by means of an atomizing wheel (11) and dried by means of warm drying gas or flue gas introduced through a tube (14) which is directed towards the bottom side of the... | 01/18/1983 |
| 4318772 | Saturated liquor cooling tower The invention is method and apparatus for removing dissolved solids from water by creating a condition of super-saturation of the solids material within a confined water circuit, propagating the formation of solids by a process of crystal nucleation and c... | 03/09/1982 |
| 4299786 | Waste heat disposal process This invention relates to an improved waste heat disposal process characterized primarily by splitting the total cooling load between two or more open-looped evaporative cooling circuits, staging the circuits in series such that each successive circuit ha... | 11/10/1981 |
| 4283526 | Method of treating polymerlatices A method of continuously treating an aqueous latex of a synthetic polymer which contains unreacted residual monomer from the polymerization reaction used for the production of the polymer, which method comprises feeding the aqueous latex as a spray into a... | 08/11/1981 |
| 4282348 | Method for removing unreacted monomer from the aqueous dispersion of polymerizate of vinyl chloride and apparatus therefor Unreacted residual monomer is removed from an aqueous slurry of a vinyl chloride polymerizate by a method, according to which the monomer-containing aqueous slurry continuously fed to a plate column from its top runs down by way of a cyclone-type mist sep... | 08/04/1981 |
| 4261793 | Multistage spray drying method for detergent slurry A method is provided for spray drying a detergent slurry in a spray drying chamber having at least two different levels of uniformly spaced atomizing nozzles, which slurry consists of about 50 to 70% by weight of solid constituent comprising 20 to 40% by ... | 04/14/1981 |
| 4190963 | Cleansing device for fluidized bed reactors In the chamber of a fluidized bed reactor for processing powdered products, a pneumatic cleansing device is arranged which comprises at least one pipe member mounted to be movable parallel to a perforated powder supporting plate at a small distance from t... | 03/04/1980 |
| 4171243 | Spray drying method A method for spray drying an aqueous slurry in a spray drying tower. Hot effluent gases containing steam are divided into two portions. One portion is heated and recycled to the spray drying tower as part of the heated gas stream which dries the slurry. T... | 10/16/1979 |
| 4135965 | Process and apparatus for the treatment of liquids containing solid particles In a process and apparatus for the treatment of liquids containing solid particles, the mixture is first formed into a film to run down the walls of an enclosure having a frustro conical top wall and be subjected to a drying gas flow, and the partially dr... | 01/23/1979 |
| 4061531 | Coke oven gas contact with liquor concentrate A waste liquor treatment system comprising an evaporator in combination with a gas cooler, said evaporator providing fractional distillation of waste liquor, thereby separating the liquor into its several components of gaseous vapors, purified water and c... | 12/06/1977 |
