...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 8092755 | Devices for injection of gaseous streams into a bed of fluidized solids Injection nozzles for use in a gas distribution device are disclosed. In one aspect, the injection nozzle may include: a tube having a fluid inlet and a fluid outlet; wherein the inlet comprises a plurality of flow restriction orifices. In another aspect, embodiment... | 01/10/2012 |
| 8017095 | Mixing device for a down-flow reactor The present invention provides a novel means to provide more effective mixing of gas and fluids in a height constrained interbed space of a catalytic reactor without increasing pressure drop. In particular, the device improves the effectiveness of an existing mixing... | 09/13/2011 |
| 7988928 | Treatment or hydrotreatment reactor with a granular bed and an essentially liquid phase and an essentially gaseous phase flowing through the bed The present invention relates to a treatment or hydrotreatment reactor comprising at least one granular bed (12), an essentially liquid phase (L) and an essentially gaseous phase (G) present in the bottom of the reactor and separated by an interface (38 | 08/02/2011 |
| 7972570 | Distributor nozzle for a two-phase charge in fixed-bed reactors A distributor nozzle for a two-phase charge, to be used in fixed-bed reactors in order to increase the area over which the mixture is dispersed and to make its flow rate the same over the whole area of the bed in the reactor. The device includes a number of fixing b... | 07/05/2011 |
| 7972571 | Apparatus for synthesizing carbon nanotubes Provided is an apparatus for synthesizing carbon nanotubes (CNTs). The apparatus includes: a vertical reaction chamber; a mixer which is disposed within the vertical reaction chamber and mixes a catalyst supplied from above; and a plurality of dispersion plates whic... | 07/05/2011 |
| 7927565 | Nozzle reactor and method of use A nozzle reactor system for increasing the conversion rate of material feed injected into the nozzle reactor system. The system includes two or more nozzle reactors aligned in series, such that material exiting a first nozzle reactor may be injected into a second no... | 04/19/2011 |
| 7901641 | Sprayer for at least one fluid One exemplary embodiment can be a sprayer for distributing at least one fluid in a vessel. The sprayer can include a first member having a first surface and a second surface forming at least one aperture there-through. Generally, the at least one aperture is skewed ... | 03/08/2011 |
| 7887763 | Apparatus for chemical or biological reactions The present invention relates to an apparatus for use in conducting chemical or biological reactions requiring the input of at least one fluid reagent and/or the output of at least one fluid product, the apparatus comprising a reaction chamber having an inlet for th... | 02/15/2011 |
| 7846403 | Louver front faced inlet ducts An apparatus is for directing a fluid into a radial reactor is and which maintains a bed of solid particulate material within a reactor. The apparatus comprises a duct for directing fluid into a reactor and has a screenless face for the egress of the fluid, while pr... | 12/07/2010 |
| 7842258 | Secondary containment for a perforated plate A secondary containment system is used with a screenless reactor. The secondary containment system includes a screen sized to prevent the passage of catalyst particles, and is affixed to the screenless reactor with supports to hold the screen a desired distance from... | 11/30/2010 |
| 7842259 | Conically shaped screenless internals for radial flow reactors An apparatus for contacting a bed of particulate material with a cross flowing fluid, which maintains the bed of particulate material within a retention volume. The apparatus includes partitions for retaining particles, with apertures disposed within the partitions.... | 11/30/2010 |
| 7803334 | Apparatus for hydrocracking a hydrocarbon feedstock A hydrocracking process and apparatus wherein the feedstock is hydrotreated and the liquid and gaseous effluent from the hydrotreater is directly introduced into the upper end of a hydrocracking vessel which provides a liquid seal to prevent the passage of the gaseo... | 09/28/2010 |
| 7744831 | Annular distributor having guide vane to improve flow rate distribution Disclosed is an annular distributor having: an annular slit layer that is mounted on an inner circumferential surface of the annular distributor and has at least one slit discharging or introducing a fluid; at least one opening that is formed on an outer circumferen... | 06/29/2010 |
| 7695696 | Screenless internals for radial flow reactors An apparatus for contacting a bed of particulate material with a cross flowing fluid, which maintains the bed of particulate material within a retention volume. The apparatus includes partitions for retaining particles, with apertures disposed within the partitions.... | 04/13/2010 |
| 7666367 | Method for a burner and a corresponding device The invention relates to a device equipped with a burner for combusting a fuel/oxidant mixture inside a combustion chamber in which a material (3, 3′, 3″, 3′″) is provided that endures a maximum temperature. The inventive device also comprises one or ... | 02/23/2010 |
| 7622089 | Conically shaped screenless internals for radial flow reactors An apparatus for contacting a bed of particulate material with a cross flowing fluid, which maintains the bed of particulate material within a retention volume. The apparatus includes partitions for retaining particles, with apertures disposed within the partitions.... | 11/24/2009 |
| 7510689 | Method and apparatus for introducing fluids into a hydrocracking reactor The invention provides a method and apparatus for introducing a high-density hydrocarbon liquid into a hydrocracking reactor. The method comprises atomizing the high-density hydrocarbon liquid and injecting the atomized liquid into the hydrocracking reactor. The met... | 03/31/2009 |
| 7470410 | Support system for reactor vessel internals The invention is a support system for use with a reactor vessel that defines a reactor zone and has an inlet manway providing an opening into the reactor zone. The support system comprises a manway insert that is supported by the inlet manway and extends through the... | 12/30/2008 |
| 7459132 | Apparatus for dehydrogenation of ethylbenzene to styrene and method of retrofitting the apparatus The present invention discloses a process and apparatus for improving the catalyst life and efficiency in a gas flow catalyst bed reactor assembly. The reactor comprises an outer reaction vessel, an inner displacement cylinder, and an annular catalyst bed surroundin... | 12/02/2008 |
| 7353847 | Method of loading a particulate solid into a vessel A method of loading a granulated solid into a vessel having a containment zone for the granulated solid. The method comprises providing in a bottom portion of the containment zone a first substantially vertical rigid columnar portion having a horizontal cross sectio... | 04/08/2008 |
| 7350962 | Liquid recycle inlet distributor assembly A catalytic hydrocracking reactor vessel includes enhanced components for the conversion of a hydrogen gas and fossil fuel feedstream to light liquid hydrocarbons. The reactor vessel comprises one or more of a reactor cup riser with a helical cyclonic separator cond... | 04/01/2008 |
| 7351751 | Autothermal reformer reactor processes A process for the startup of an ATR which does not contain an ignition means is provided. Also provided is a process to ascertain ATR catalyst activity prior to introduction of sufficient oxidant to form a flammable feed mixture. ... | 04/01/2008 |
| 7338645 | Method and system for reducing decomposition byproducts in a methanol to olefin reactor system Disclosed is a method and system for reducing the formation of metal catalyzed side-reaction byproducts formed in the feed vaporization and introduction system of a methanol to olefin reactor system by forming and/or coating one or more of the heating devices, feed ... | 03/04/2008 |
| 7338552 | Process and device for separating oil and volatile organic components from pressurized gases of a compression system A process and device for separating oil and volatile organic components from pressurized gases of a compression system in which, before oxidation-catalytic separation, a physical separation is performed to protect the oxidation-catalytic separator against a large am... | 03/04/2008 |
| 7332136 | Airbox in a regenerative thermal oxidiser An air box in a regenerative thermal oxidiser has one or several beds of a heat-storing and heat-transferring material. The air box is connected with a gas inlet/outlet and comprises a gas permeable surface that is turned towards one of the beds. The air box has dis... | 02/19/2008 |
| 7326820 | System and method for purifying heptane Removing impurities from a heptane stream by contacting the heptane stream with an acidic catalyst, wherein the contacting reduces a concentration of one or more close boiling impurities, one or more olefins, or both. The impurities are isomerized via contact with t... | 02/05/2008 |
| 7326263 | Method and apparatus for hydrogenating hydrocarbon fuels In the present invention, there is provided a process and an apparatus for hydrogenating hydrocarbon fuels. A receptacle is partly filled an aqueous solution containing sodium hydroxide. A hydrocarbon fuel is then introduced inside the receptacle atop the aqueous so... | 02/05/2008 |
| 7294734 | Process for converting a hydrocarbon to an oxygenate or a nitrile This invention relates to a process for converting a hydrocarbon reactant to a product comprising an oxygenate or a nitrile, the process comprising: (A) flowing a reactant composition comprising the hydrocarbon reactant, and oxygen or a source of oxygen, and optiona... | 11/13/2007 |
| 7281702 | Methods and apparatus for mixing and distributing fluids A flow distribution device (100) has a vane distributor (111) at least partially disposed within a cartridge (102) and is operationally coupled to a second distributing device (112) that receives output from the vane distributor (111 | 10/16/2007 |
| 7263822 | Catalytic conversion of fuel and converter therefor For a process for the catalytic conversion of furl for removing oxides of nitrogen from exhaust gases of internal combustion engines, in which fuel and a part-stream of the exhaust gas or of the intake air are converted in a converter, the fuel and the part-stream o... | 09/04/2007 |
| 7261749 | Multi-port autothermal reformer An autothermal reformer is provided for a fuel cell system utilizing one volume and a plurality of inlets for both start-up and normal operation. In start-up mode, thermal combustion is employed for heating the catalyst reformation section of the reformer. Two inlet... | 08/28/2007 |
| 7258845 | Apparatus and reactor for generating and feeding high purity moisture A safe, reduced pressure apparatus for generating water vapor from hydrogen and oxygen and feeding high purity moisture to processes such as semiconductor production. The apparatus eliminates the possibility of the gas igniting by maintaining the internal pressure o... | 08/21/2007 |
| 7255845 | Process for conducting an equilibrium limited chemical reaction in a single stage process channel This invention relates to a process for conducting an equilibrium limited chemical reaction in a single stage process channel. A process for conducting a water shift reaction is disclosed. A multichannel reactor with cross flow heat exchange is disclosed. ... | 08/14/2007 |
| 7250142 | Device for mixing and distributing a dense fluid and a light fluid, placed upstream from a granular bed, and its use in descending flow Device for mixing and distributing a dense, generally liquid, fluid and a light, generally gaseous, fluid, placed in a reaction chamber upstream from a granular bed (70) or between two successive granular beds, the said device being characterized by a tubular... | 07/31/2007 |
| 7247276 | Micro-reactor for reactions between gases and liquids Described herein is a microreactor for carrying out chemical reactions between a reaction partner in liquid form and a reaction partner in gaseous form, if necessary in the presence of a solid catalyst, whereby the chemical process guidance takes place in spaces tha... | 07/24/2007 |
| 7238329 | Device for injecting a fluid located between two successive beds to simultaneously produce and distribute a polyphase mixture A device located between two successive granular beds (203) and (205) for injecting a secondary fluid can produce and distribute a polyphase mixture between said secondary fluid and a fluid or mixture of fluids originating from the upper granular bed a... | 07/03/2007 |
| 7238327 | Method of attaching internal heat shield in automotive catalytic converters A catalytic converter and method for its assembly including an external shell formed in two halves containing a catalytic substrate, two internal shields and two-piece inlet and outlet cones. The inlet and outlet cones are attached as halves to each side of the exte... | 07/03/2007 |
| 7234692 | Column tray A column tray assembly includes a tray having passages formed therein. The tray is a multifunction tray and is configured to receiving appropriate superstructures which can be selected according to the respective use of the assembly. Superstructures which communicat... | 06/26/2007 |
| 7226574 | Oxidation process using microchannel technology and novel catalyst useful in same A process is disclosed for converting a hydrocarbon reactant to a product comprising CO and H2. The process comprises: (A) flowing a reactant composition comprising the hydrocarbon reactant and oxygen or a source of oxygen through a microchannel reactor i... | 06/05/2007 |
| 7226568 | Plural conduit replaceable outer support structure for radial flow system Replaceable outer support structure 38 for a particulate material bed 70 in a radial flow system comprises a plurality of hollow conduits 50, 250, 260, at least some of which have a generally trapezoidal cross-section. The conduits are arranged ... | 06/05/2007 |