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| Number | Title | Issue Date |
| 7790000 | Volatilizer The present invention relates to an evaporation apparatus capable of supplying active ingredients sufficiently and stably. One embodiment of the invention includes a retention vessel keeping a liquid formulation which contains active ingredients, a liquid absorbing ... | 09/07/2010 |
| 7273672 | Solid polymer electrolyte fuel cell The present invention provides a solid polymer electrolyte fuel cell comprising a fuel cell stack 21 formed by laminating a plurality of fuel cell units each of which includes a fuel electrode 23, an oxidant electrode 24, and a solid polymer ele... | 09/25/2007 |
| 7087140 | Carbonizing waste processing apparatus A carbonizing waste processing apparatus is operable to rotate and heat a radiant tube for carbonizing waste therein so as to generate granular char and vapors from the waste, transfer waste into an upstream end of the tube, temporarily impede movement of the waste ... | 08/08/2006 |
| 6964730 | Purification apparatus and method Disclosed is a purification apparatus and method. The purification apparatus includes: a mobile phase distillation part for distilling a mobile phase; a mobile phase liquefaction part for liquefying the distilled mobile phase; and a purification part disposed betwee... | 11/15/2005 |
| 6958111 | Dividing wall column In a dividing wall column comprising as segments a) an upper column region (6), b) an inflow section (7), c) an offtake section (8) and d) a lower column regio... | 10/25/2005 |
| 6213197 | Air conditioning apparatus as well as components thereof A sorption unit for air-conditioning technology apparatus with sheets for heat emission, past which water vapor is passed. The sheets are provided with zeolite, that forms string-shaped profiled bodies which are designed to have surface contact with the s... | 04/10/2001 |
| 5744009 | Method and apparatus for recovering condensables in vapor from a urea vacuum evaporator An improved urea recovery process is presented. In the improved process, multiple vacuum rated surface condensers used to condense water vapor evolved during urea vacuum evaporation/concentration are replaced by a direct contact cooler/absorber to obtain ... | 04/28/1998 |
| 5611895 | Arrangement for removing and collecting the distillate of rotary vacuum evaporators An arrangement for discharging and collecting the distillate of rotary vacuum evaporators includes a rotating flask and a line for conducting the distillate from the rotating flask to a cooler for liquefying the distillate. The liquified distillate flows ... | 03/18/1997 |
| 5571387 | Continuous single vessel distillation and adsorption process The present invention is a process for separating at least a first component from a second component of at least a first stream within a single vessel having at least one distillation zone and an adsorption zone. The invention may be applied to separates ... | 11/05/1996 |
| 5492603 | Apparatus for recovering acetic acid from aqueous streams Disclosed is a method and apparatus for recovering acetic acid from an acetic acid/water waste stream which includes a dehydration column into which the stream is fed and a liquid-liquid extraction system for recovering acetic acid from the condensate of ... | 02/20/1996 |
| 5441605 | Apparatus for reclaiming waste gas treating chemical Process and apparatus for reclaiming or concentrating waste aqueous solutions of gas treating chemicals, such as alkanolamines, used for removing acid components or water vapor from natural gas. The process involves heating the waste solution under a high... | 08/15/1995 |
| 5352335 | Groundwater treatment process A continuous process for the extraction of halogenated hydrocarbons from a dilute, halogenated hydrocarbon-containing aqueous fluid, in high efficiency, while dramatically reducing the stripping medium requirement for the extraction and without substantia... | 10/04/1994 |
| 5340444 | Circulation cooler for vacuum distillation apparatus A circulation cooler (10) has a heat exchanger (12) in a housing (11) that contains a cooling liquid and is detachably connected by its forward flow (13) to an inlet line (5), and by its return line (14) to the outlet (6) of a condenser (4) of a distillat... | 08/23/1994 |
| 5314666 | Method and apparatus for treating hydrocarbon gas streams contaminated with carbonyl sulfide An apparatus for treating hydrocarbon gas containing carbonyl sulfide with hot aqueous absorbent at hydrolysis gas containing carbonyl sulfide hydrolysis of carbonyl sulfide to carbon dioxide and hydrogen sulfide and formation of hydrolysis product gas, a... | 05/24/1994 |
| 5176798 | System for removal and disposal of minor amounts of organics from contaminated water A system is disclosed for recovering and disposing of volatile organic contaminants, from water contaminated with organics, which system includes a pump to feed water from the body of contaminated water to the system, with indirect heat exchange and direc... | 01/05/1993 |
| 5062926 | Solvent recovery apparatus The solvent recovery apparatus includes an adsorption tower having a gas adsorption element; a gas supply pipe for supplying a solvent-containing gas to the adsorption tower; a steam supply pipe for supplying steam to the adsorption tower; and a solvent r... | 11/05/1991 |
| 5061348 | Sulfuric acid reprocessor with continuous purge of second distillation vessel An apparatus and method for reprocessing waste piranha containing contaminated H2 SO4 from, for example, a semiconductor processing operation is described. The apparatus and method include a first distillation flask which is maintain... | 10/29/1991 |
| 4846240 | High cop absorption heat pumped evaporation method and apparatus A high efficiency open-cycle absorptive approach to compressing steam or other vapor is disclosed, especially useful for industrial evaportion via recompression. Referring to FIG. 1, low pressure steam from evaporator 1 is absorbed in an aqueous absorbent... | 07/11/1989 |
| 4659433 | Concentrating and dehydrating apparatus for maleic anhydride Apparatus for concentrating and dehydrating maleic acid to form maleic anhydride, comprising: at least a first and a second vertical, independent and distinct, falling thin-film, multitubular evaporators of the static type arranged in series, wherein the ... | 04/21/1987 |
| 4434034 | Direct fired glycol regenerator with vertical flues A liquid desiccant regenerator is provided including an upstanding hollow reboiler having upstanding peripheral sides, a bottom and a top. A plurality of laterally space upstanding tubular flues are provided in the reboiler and open upwardly and downwardl... | 02/28/1984 |
| 4301298 | Light ends recovery in ethyl acrylate process A normally liquid hydrocarbon having a minimum boiling point of about 425° F. is utilized to provide the liquid seal in a vacuum pump which intakes a gaseous light ends stream resulting from a process for the production of ethyl acrylate by the reaction ... | 11/17/1981 |
| 4277311 | Apparatus for distillation The thermal efficiency of an ammonia still is significantly increased by the use, in conjunction with the usual countercurrent steam stripping medium, of an auxiliary inert gas stripping medium initially heated and humidified by passage through a heat exc... | 07/07/1981 |
| 4222825 | Process and an installation for the treatment of water A process and installation for the treatment of distillate water recovered by flash evaporation from impure water, such as sea water, in which gases desorbed during the flash evaporation, including carbon dioxide, are recovered and intermixed with the dis... | 09/16/1980 |
| 4028072 | Apparatus for scrubbing of hydrocarbons from gas Apparatus for separating hydrocarbons from flue gas and the like, including a gas scrubber, a collecting container supplying the scrubber with wash oil, and a vacuum distillation container receiving wash oil discharged from the scrubber.... | 06/07/1977 |
