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| Number | Title | Issue Date |
| 7332002 | Low sulfur coal additive for improved furnace operation The present invention is directed to additives for coal-fired furnaces, particularly furnaces using a layer of slag to capture coal particles for combustion. The additive(s) include iron, mineralizer(s), handling aid(s), flow aid(s), and/or abrasive material(s). The... | 02/19/2008 |
| 7326346 | High capacity regenerable sorbent for removal of arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/05/2008 |
| 7182599 | Method and apparatus for removing particulate metals from dental waste water An inline filter assembly to be used in conjunction with surgical or other procedures, near the patient or chairside in dental operations, that is capable of removing, by filtration, particulate matter from waste-water. The filter assembly is configured to permit ea... | 02/27/2007 |
| 7183235 | High capacity regenerable sorbent for removing arsenic and other toxic ions from drinking water The present invention is directed to a sorbent comprising a disordered polyvalent metal oxide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered silicate suc... | 02/27/2007 |
| 7048781 | Chemically-impregnated silicate agents for mercury control The present invention is directed to a contaminant removal agent comprising a polyvalent metal sulfide on the surface of an inert substrate. The substrate can be a layered silicate, such as vermiculite, an aluminosilicate such as montmorillonite, or a nonlayered sil... | 05/23/2006 |
| 6942840 | Method for removal and stabilization of mercury in mercury-containing gas streams The present invention is directed to a process and apparatus for removing and stabilizing mercury from mercury-containing gas streams. A gas stream containing vapor phase elemental and/or speciated mercury is contacted with reagent, such as an oxygen-containing oxid... | 09/13/2005 |
| 6911570 | Method for fixating sludges and soils contaminated with mercury and other heavy metals The invention relates to a method, composition and apparatus for stabilizing mercury and other heavy metals present in a particulate material such that the metals will not leach from the particulate material. The method generally involves the application of a metal ... | 06/28/2005 |
| 6855299 | Collider chamber apparatus and method of use of same The disclosed apparatus includes a stator and a rotor disposed for rotation within the stator. An inner wall of the stator defines one or more collider chambers. Rotation of the rotor causes movement of fluid disposed between the rotor and stator and establishes a r... | 02/15/2005 |
| 6761802 | Tunnel for distillation of fresh water from ocean salt water A closed tunnel system for distilling fresh water from ocean salt water is provided with an elongated evaporation plate adapted to hold ocean water for evaporation therefrom. During the distillation process, a vacuum is drawn in the tunnel, and sunlight is focused o... | 07/13/2004 |
| 6110432 | Collider chamber apparatus and method of use of same The disclosed apparatus includes a stator and a rotor disposed for rotation within the stator. An inner wall of the stator defines one or more collider chambers. Rotation of the rotor causes movement of fluid disposed between the rotor and stator and esta... | 08/29/2000 |
| 5967780 | Dental vacuum receptacle and method A vacuum receptacle and method is provided for accumulating, holding and disposing of liquids and certain solids that are withdrawn from the mouths of dental patients by a suction tube or other apparatus placed in the patient's mouth during dental procedu... | 10/19/1999 |
| 5744008 | Hurricane tower water desalination device A simple, portable and efficient water desalination device uses deep ocean water, solar energy and the dynamics of generated secondary vortices. The device includes a tower, a heat exchanger positioned inside the tower near the top of the tower, a cold wa... | 04/28/1998 |
| 5741397 | Dental waste separator An apparatus is provided for processing combined liquid and solid dental waste from a patient's mouth such that the solid waste is separated from the liquid waste. The solid and liquid dental waste are removed from the patient's mouth and transmitted to a... | 04/21/1998 |
| 5417805 | Brushed film evaporator Liquid to be evaporated by the indirect transfer of heat from a heating medium within plate type heat exchange elements is distributed over outer surfaces of the plate type elements by means of one or more brushes mounted for movement over the heating sur... | 05/23/1995 |
| 5217579 | Distillation system for treating waste organic solvent A system for continuously recovering renewable volatile compounds by boiling points from waste organic solvent with minimum energy loss, and an improved thin membrane distillation apparatus for efficient distillation of renewable volatile compounds from w... | 06/08/1993 |
| 4812203 | Evaporator An evaporator which is formed, in combination, of a first evaporator of a centrifugal falling-film type; and a second evaporator having a shape formed of a heating side wall portion of a downward-pointing conical configuration, a cover portion defining at... | 03/14/1989 |
| 4762592 | Orbital drive evaporator A wobbling-type evaporator mounts a container 1 holding at least one vertically oriented heat transfer tube 30 fed by a liquid inlet 35 to the container 1. The container 1 is supported with respect to a base 10 so that it wobbles in response to the rotati... | 08/09/1988 |
| 4540471 | Solvent distillation unit with adjustable scrapers A solvent reclaiming unit has a still for distillation of contaminated solvents to recover clean solvent from the solvent vapor. The still has a tapered or conical bottom heat exchange surface surrounded by a heat source. The still has scrapers which wipe... | 09/10/1985 |
| 4470998 | Method of evaporating a liquid mass, and evaporation apparatus Evaporating and cooking of toffee in a closed vessel having an inlet at the base thereof and an outlet towards the top and at one side of the vessel. A toffee premix liquor is continuously fed in the inlet and discharged through the outlet. High speed cou... | 09/11/1984 |
| 4441963 | Distillation apparatus Distillation apparatus in which a group of pairs of heat-transfer tubes are each driven to wobble about a vertical axis which passes through a wobbling center. A stream of fluid is directed to flow down inside each tube. The fluid stream tends to cling to... | 04/10/1984 |
| 4377202 | Rotary heat exchange apparatus provided with a spherically coiled heat transfer tube A rotary heat exchanger characterized in that a spherically coiled heat transfer bypass tube is provided concentrically about a reflux type heat transfer double-tube at a part thereof, the outer tube of the double tube being rotatable, wherein a suction t... | 03/22/1983 |
| 4230529 | Distillation apparatus Distillation apparatus in which a group of heat-transfer tubes are each driven to wobble about a vertical axis which passes through a wobbling center. A stream of fluid is directed to flow down inside each tube. The fluid stream tends to cling to the inne... | 10/28/1980 |
| 4076577 | Process for the separation of residues of toluenediisocyanate production A process for the separation of residues of toluenediisocyanate production from mixtures containing high boiling residues, toluenediisocyanate and solvent by evaporation in said residue at a minimum of 5° C above the boiling point of the higher boiling o... | 02/28/1978 |
