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| Number | Title | Issue Date |
| 8177936 | Device for evaporating calciferous water by means of electrical heating Evaporation of calciferous water is performed by an evaporator using electrical heating. An injection nozzle is connected to a spray hose arranged in an upper third of the evaporator, immediately above a thermostat that is disposed on the bottom side of the evaporat... | 05/15/2012 |
| 8114249 | Method and apparatus for monitoring an evaporator A method and an apparatus for monitoring an evaporator (2), whereby a liquid is applied onto a heating unit (3) and evaporated and the temperature drop caused by the evaporation heat in the heating unit (3) is detected. In the absence of a prede... | 02/14/2012 |
| 7442277 | Process for the removal of volatile compounds from mixtures of substances using a micro-evaporator A process for the removal of at least one volatile compound from a reactive or unreactive mixture of substances with the aid of at least one micro-evaporator, the micro-evaporator displaying channels for carrying the mixture of substances having a hydraulic diameter... | 10/28/2008 |
| 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 |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7332057 | Method of vaporizing liquids by microwave heating This invention is directed to a method for vaporizing a liquid by slowly evaporating the liquid from a liquid phase to a vapor phase below the boiling point of the liquid; and applying an effective amount of microwave power to maintain the slow evaporation of the li... | 02/19/2008 |
| 7291250 | Vacuum distillation system and use thereof for concentrating organic-aqueous solvent mixtures The present invention relates to a vacuum distillation plant and a process for concentrating organic aqueous solutions, especially spissum extracts, using said plant. The vacuum distillation plant of the invention comprises a flash evaporator, a means for vapor conc... | 11/06/2007 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 7258765 | Vaporization chamber, and distillation system comprising same, providing improved temperature sensing of liquid contained in the chamber Vaporization chambers (distillation “pots”) are disclosed in which the liquid contained in such a pot is heated and circulated to establish thermal uniformity of the liquid and to route the circulated liquid past a thermally conductive member that contacts the l... | 08/21/2007 |
| 7214290 | Treatment of spent caustic refinery effluents In the methods for treatment of caustic effluents described in the specification, a spent caustic refinery effluent is supplied to a submerged combustion gas evaporator in which hot combustion gas containing carbon dioxide is injected into the caustic liquid to conc... | 05/08/2007 |
| 7153396 | Rotating evaporator with process-dependent rotating speed regulation In a rotary evaporator, the rotating speed of the rotating flask is automatically controlled or regulated dependent upon a detected process value, particularly the vibration behavior or the mass moment of inertia of the rotating flask. ... | 12/26/2006 |
| 7150807 | Rotary evaporation with variable dosage metering Method and system for evaporating at least one substance. During at least one dosing phase (TG) a predefined or predefinable quantity of a product (M) which contains at least one substance to be evaporated is imported via a feed system (7, 14, 17, 33, 36) int... | 12/19/2006 |
| 7150320 | Water treatment method for heavy oil production A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. If necessary, the pH is then adjusted, normally downward, releasing at least some carbonate alkalini... | 12/19/2006 |
| 7144473 | Evaporator for respirators and evaporation method The present invention relates to an evaporator for respirators, including a storage tank for a liquid, a gas intake flange and a gas outlet flange as well as an apparatus for heating the liquid, which is formed such that it can heat a small portion of the liquid and... | 12/05/2006 |
| 7115186 | Liquid material evaporation apparatus for semiconductor manufacturing A liquid material evaporation apparatus including a mixing chamber, a flow control unit, a first flow passage for introducing a liquid material, a second flow passage for introducing a carrier gas connected to the mixing chamber through a first nozzle, the first noz... | 10/03/2006 |
| 7011710 | Concentration profile on demand gas delivery system (individual divert delivery system) Apparatus and method for delivering processing gas are provided. The apparatus for delivering processing gas from a vaporizer to a processing system comprises: a valve connected between the vaporizer and the processing system, the valve having a valve input connecte... | 03/14/2006 |
| 6936140 | Water distillation system A distillation system is provided for recovering water from sea water and other polluted water source. The system has a heat engine embodying Carnot cycle and a Rankine cycle formed by heat exchangers, flash evaporator and condenser. Burnt gases from the engine such... | 08/30/2005 |
| 6913671 | Compact evaporation apparatus A compact evaporation apparatus includes an evaporator vessel with a sloped, bottom chamber. A combustion chamber is mounted to a top of the vessel, with a burner mounted to a top of the combustion chamber, the combustion chamber sized to achieve total combustion of... | 07/05/2005 |
| 6887344 | Compact wastewater cleaning apparatus A compact, self-contained apparatus for treating wastewater containing as impurities and pollutants various non-volatile (at water boiling points) fluids such as greases, oils and soaps, a vessel for collecting the wastewater, a heating chamber including electric he... | 05/03/2005 |
| 6849155 | Concentrator This invention provides a concentrator capable of drawing out a concentrate of a constant concentration. The concentrator includes a heater having a heating medium that has been heated to a temperature not less than the boiling point of a solution fed to the concent... | 02/01/2005 |
| 6833056 | Desalination method and desalination apparatus A desalination apparatus capable of obtaining fresh water stably at low cost by utilizing low-temperature waste, wherein the desalination apparatus including a heat exchanger 92 cooperating with an evaporation can 60 so as to subject a low-temperature ... | 12/21/2004 |
| 6802941 | 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... | 10/12/2004 |
| 6740205 | Processing of shipboard wastewater Incoming wastewater is preheated in a heat exchanger before delivery to a flash chamber through an orifice for flashing into water vapor rising into an upper section of the flash chamber which also has a bottom section into which liquid waste oil or other contaminan... | 05/25/2004 |
| 6716320 | Evaporation of liquids A liquid sample 3 held in an open container 2 and including a volatile solvent, is evaporated by continuously removing inert gas rich in vapor by means of a suction tube 5 whose open end is held close to the top surface of the liquid. Vapor in t... | 04/06/2004 |
| 6689251 | Cycled-concentration distiller A distiller (10) that employs a rotary heat exchanger (32) introduces water to be evaporated into evaporation chambers (56). During most of its operation, it collects the water that has passed through the evaporation chamber (56) without evaporating, and ... | 02/10/2004 |
| 6682631 | Evaporator and evaporation process A centrifugal evaporator for evaporating a mixture of liquids having different volabilities and specific gravities, the mixture being contained in a test tube 14 pivotally mounted on a rotatable support arm 12 in a sealable vacuum chamber 16, the support ... | 01/27/2004 |
| 6666956 | Method for distilling polymerizable compound or liquid containing polymerizable compound In distillation of a polymerizable compound such as (meth)acrylic acid or a liquid containing such a polymerizable compound with use of a distillation column equipped with a reboiler, (a) a vertical multi-tube reboiler whose outlet nozzle inside diameter ... | 12/23/2003 |
| 6635149 | Water purification system A water purification system and method for residential or commercial application having a first support structure coupled to a water supply having a first heat source of sufficient magnitude to change the water into steam, thus abandoning any insoluble ma... | 10/21/2003 |
| 6620620 | Micro liquid evaporator The drop-by-drop evaporation of a liquid or solution is controlled by monitoring the disappearance of each successive droplet and by actuating the deposition of the next droplet until the desired volume is deposited. In the case of a solution, non-volatil... | 09/16/2003 |
| 6605474 | Method and apparatus for determining temperature of and controlling the evaporation of liquid samples A method is described for evaporating liquid samples contained in sample holders mounted within a chamber and rotated by the rotor during an evaporation process in which the pressure in the chamber is reduced below atmospheric and the sample holders are r... | 08/12/2003 |
| 6551465 | Dividing wall column control system The operation of the dividing wall section of a dividing wall column is controlled by a control apparatus comprising a ratio controller which divides the liquid flowing into the dividing wall section. The rate of return of overhead liquid to the column is... | 04/22/2003 |
| 6508916 | Process for recovering processing liquids A process for recovering processing liquids such as gas-treating liquids wherein a feed mixture containing the processing liquid, water, and optionally additional components that are more volatile than the processing liquid and components that are less vo... | 01/21/2003 |
| 6508915 | Apparatus and method for distilling waste liquids A distilling apparatus and method use a two step distillation and purification process for processing a waste liquid, such as an impure sulfuric acid solution, to form a highly concentrated sulfuric acid solution. First, the waste liquid is stored in a co... | 01/21/2003 |
| 6471823 | Use of pressure and temperature measurements to infer process variables and to monitor equipment conditions and infer process efficiency in a multi-effect evaporator system The invention disclosed herein provides methods for monitoring performance and efficiency for multi-effect evaporator systems. The invention also provides methods for monitoring the nonvolatile content of liquid products by determination of a boiling poin... | 10/29/2002 |
| 6461572 | Method and apparatus for concentrating a solute in solution with a solvent The present invention provides a method, and an apparatus, for forming a prescribed concentration of a substance in a mixture with a fluid, from a comparatively dilute mixture. The mixture is most preferably a solution of a solute in a solvent. The follow... | 10/08/2002 |
| 6454907 | Method and apparatus for concentrating slurried solids Method and apparatus for concentrating slurries by removing liquid in a single effect unit maintained under vacuum to effect low temperature flashing of the liquid. The single effect unit is a single flash column with separate recirculation loops, one to ... | 09/24/2002 |
| 6444095 | System for recovering glycol from glycol/brine streams A system for recovering glycol from glycol and brine mixtures produced from oil or natural gas wells that combines energy efficiency with a capability for handling salt and other solids contained in the mixture. The system comprises three effect evaporato... | 09/03/2002 |
| 6436242 | Device and method for distilling water A water distiller has a sub-atmospheric boiler having a non-recirculating brine section, an input, a brine output and a vapor output. The input is for water to be distilled, the brine output for brine, and the vapor output for water vapor. A compressor is... | 08/20/2002 |
| 6413361 | Heavy oil emulsified fuel evaporator system and operation method thereof A heavy oil emulsified fuel evaporator system is provided in which a heavy oil emulsified fuel, after being preheated at a preheater, flows into an evaporator to be heated and then to a separator for separation of its water content. The water content, aft... | 07/02/2002 |
| 6375803 | Mechanical vapor recompression separation process A method and apparatus for removing a contaminant from a fluid feed stream containing the contaminant. The method includes the steps of providing a feed stream (10) and heating it in a first step (18) to at least partially remove some of the contaminants ... | 04/23/2002 |
