VELOCYS INC. Patent applications |
Patent application number | Title | Published |
20140332081 | MANIFOLD DESIGNS, AND FLOW CONTROL IN MULTICHANNEL MICROCHANNEL DEVICES - Novel manifolds and methods of flow through manifolds are described. Apparatus and techniques are described in which flow from a relatively large volume header is equally distributed to process channels. Methods of making laminated, microchannel devices are also described. | 11-13-2014 |
20140318794 | Generation of Hydrocarbon Fuels Having a Reduced Environmental Impact - The Fischer-Tropsch (FT) process can be controlled to create water that has desirable characteristics for use in secondary processes such as fracking or irrigation. | 10-30-2014 |
20140291204 | PROCESS AND APPARATUS EMPLOYING MICROCHANNEL PROCESS TECHNOLGOY - This invention relates to a process for conducting a hydrocracking or a hydrotreating process in a microchannel reactor. This invention also relates to a process and apparatus for flowing a vapor and liquid into a plurality of microchannels in a microchannel processing unit. | 10-02-2014 |
20140264175 | PROCESS AND APPARATUS FOR CONDUCTING SIMULTANEOUS ENDOTHERMIC AND EXOTHERMIC REACTIONS - This invention relates to a process and an apparatus for conducting simultaneous endothermic and exothermic reactions in a microchannel reactor. A start-up procedure for the microchannel reactor is disclosed. | 09-18-2014 |
20140246625 | Integrated Combustion Reactor And Methods Of Conducting Simultaneous Endothermic and Exothermic Reactions - Integrated Combustion Reactors (ICRs) and methods of making ICRs are described in which combustion chambers (or channels) are in direct thermal contact to reaction chambers for an endothermic reaction. Particular reactor designs are also described. Processes of conducting reactions in integrated combustion reactors are described and results presented. Some of these processes are characterized by unexpected and superior results, and/or results that can not be achieved with any prior art devices. | 09-04-2014 |
20140109976 | Multi-Stream Multi-Channel Process and Apparatus - Provided is a process and apparatus for exchanging heat energy between three or more streams in a millichannel apparatus, which millichannel apparatus may comprise a heat exchanger which may be integrated with a millichannel reactor to form an integrated millichannel processing unit. The combining of a plurality of integrated millichannel apparatus to provide the benefits of large-scale operation is enabled. In particular, the millichannel heat exchanger enables flexible heat transfer between multiple streams and total heat transfer rates of about 1 Watt or more per core unit volume expressed as W/cc. | 04-24-2014 |
20140045954 | FISCHER-TROPSCH PROCESS - The disclosed invention relates to a process for conducting a Fischer-Tropsch reaction, comprising flowing a reactant mixture comprising fresh synthesis gas and tail gas in a microchannel reactor in contact with a catalyst to form at least one hydrocarbon product, the catalyst being derived from a catalyst precursor comprising cobalt and a surface modified catalyst support. | 02-13-2014 |
20130186607 | Multi-Stream Microchannel Device - Provided is a process and device for exchanging heat energy between three or more streams in a microchannel heat exchanger which can be integrated with a microchannel reactor to form an integrated microchannel processing unit. The combining of a plurality of integrated microchannel devices to provide the benefits of large-scale operation is enabled. In particular, the microchannel heat exchanger enables flexible heat transfer between multiple streams and total heat transfer rates of about 1 Watt or more per core unit volume expressed as W/cc. | 07-25-2013 |
20130023407 | STEAM REFORMING METHODS AND CATALYSTS - The present invention provides catalysts, reactors, and methods of steam reforming over a catalyst. Surprisingly superior results and properties obtained in methods and catalysts of the present invention are also described. For example, a coated catalyst was demonstrated to be highly stable under steam reforming conditions (high temperature and high pressure of steam). Methods of making steam reforming catalysts are also described. | 01-24-2013 |
20120302811 | Catalysts Having Catalytic Material Applied Directly to Thermally-Grown Alumina and Catalytic Methods Using Same; Improved Methods of Oxidative Dehydrogenation - The invention describes catalysts, methods of making catalysts, methods of making a microchannel reactor, and methods of conducting chemical reactions. It has been discovered that superior performance can be obtained from a catalyst formed by directly depositing a catalytic material onto a (low surface area) thermally-grown alumina layer. Improved methods of conducting oxidative dehydrogenations are also described. | 11-29-2012 |
20120171517 | Welded, Laminated Apparatus, Methods of Making, and Methods of Using the Apparatus - The invention describes methods of welding onto laminated devices using a low temperature welding process. Also described are laminated devices with welds that do not disrupt a brazed core block of sheets in the laminated devices. Novel laminated devices with welded features for servicing the devices are also described. | 07-05-2012 |
20120138151 | Flow Distribution Channels To Control Flow In Process Channels - The invention describes features that can be used to control flow to an array of microchannels. The invention also describes methods in which a process stream is distributed to plural microchannels. | 06-07-2012 |
20120132290 | Laminated, Leak-Resistant Chemical Processors; Methods of Making, and Methods of Operating - The invention provides methods of making laminated devices (especially microchannel devices) in which plates are assembled and welded together. Unlike conventional microchannel devices, the inventive laminated devices can be made without brazing or diffusion bonding; thus providing significant advantages for manufacturing. Features such as expansion joints and external welded supports are also described. Laminated devices and methods of conducting unit operations in laminated devices are also described. | 05-31-2012 |
20110182804 | Protected Alloy Surfaces In Microchannel Apparatus and Catalysts, Alumina Supported Catalysts, Catalyst Intermediates, and Methods of Forming Catalysts and Microchannel Apparatus - The invention describes microchannel apparatus and catalysts that contain a layer of a metal aluminide or are made in a process in which a metal aluminide layer is formed as an intermediate. Certain processing conditions have surprisingly been found to result in superior coatings. The invention includes chemical processes conducted through apparatus described in the specification. Other catalysts and catalyst synthesis techniques are also described. | 07-28-2011 |
20110152597 | CATALYTIC OXIDATIVE DEHYDROGENATION, AND MICROCHANNEL REACTORS FOR CATALYTIC OXIDATIVE DEHYDROGENATION - The invention provides methods of oxidative dehydrogenation (ODH). Conducting ODH in microchannels has unexpectedly been found to yield superior performance when compared to the same reactions at the same conditions in larger reactors. ODH methods employing a Mo—V—Mg—O catalyst is also described. Microchannel apparatus for conducting ODH is also disclosed. | 06-23-2011 |
20110147665 | Microchannel Technology Having Structures With Reduced Material and Enhanced Volumetric Productivity - Novel designs for microchannel apparatus are described in which microchannels are shaped to reduce the amount of material needed to build an apparatus. In these designs, some microchannels are shaped, in cross-section, to provide relatively more structural material in areas of greatest stress, while leaving greater area for unit operations in areas of the apparatus that are subjected to relatively less stress. | 06-23-2011 |
20110039955 | Fluidization and Solids Processing In Microchannel Devices - This invention describes gas-solid, liquid-solid and gas-solid-liquid processes in microchannels devices including such processes as heterogeneous catalysis, particle formation, particle attrition, particle separation and adsorption or desorption of selected species. Various processes can be enhanced by the unique properties of microchannels such as the predominance of laminar flow, high rates of shear, high rates of heat transfer and high rates of mass transfer. Also encompassed by this invention are methods for the introduction to and removal from microchannels of particle containing fluid streams. | 02-17-2011 |
20100300550 | Multi-Stream Microchannel Device - Provided is a process and device for exchanging heat energy between three or more streams in a microchannel heat exchanger which can be integrated with a microchannel reactor to form an integrated microchannel processing unit. The combining of a plurality of integrated microchannel devices to provide the benefits of large-scale operation is enabled. In particular, the microchannel heat exchanger enables flexible heat transfer between multiple streams and total heat transfer rates of about 1 Watt or more per core unit volume expressed as W/cc. | 12-02-2010 |
20100267993 | MICROCHANNEL APPARATUS COMPRISING STRUCTURED WALLS, CHEMICAL PROCESSES, METHODS OF MAKING FORMALDEHYDE - Methods for controlling series or series-parallel reactions are described. Novel microchannel apparatus having mesoporous structures adjacent to bulk flow paths are described. Methods of synthesizing formaldehyde from methanol are also described. | 10-21-2010 |
20100258198 | Flow Control Through Plural, Parallel Connection Channels To/From a Manifold - The invention provides apparatuses and techniques for controlling flow between a manifold and two or more connecting microchannels. Flow between plural connecting microchannels, that share a common manifold, can be made more uniform by the use of flow straighteners and distributors that equalize flow in connecting channels. Alternatively, flow can be made more uniform by sections of narrowed diameter within the channels. Methods of making apparatus and methods of conducting unit operations in connecting channels are also described. | 10-14-2010 |
20100196226 | STEAM REFORMING METHODS AND CATALYSTS - The present invention provides catalysts, reactors, and methods of steam reforming over a catalyst. Surprisingly superior results and properties obtained in methods and catalysts of the present invention are also described. For example, a coated catalyst was demonstrated to be highly stable under steam reforming conditions (high temperature and high pressure of steam). Methods of making steam reforming catalysts are also described. | 08-05-2010 |
20090252658 | Loading/Unloading of Particulates to/from Microchannel Reactors - The invention providing methods of loading and unloading particulate from microchannels in apparatus that contains multiple microchannels, typically apparatus that is designed to operate with hundreds or thousands of particulate-containing microchannels. Aligning a sonicating head at one end of a set of microchannels provides a particularly effective mode for densifying particulate in microchannels. | 10-08-2009 |
20090196805 | In Situ Mixing in Microchannels - The present invention provides methods, systems and apparatus in which one fluid passes through an orifice or orifices and mixes with another fluid as it flows through a microchannel. | 08-06-2009 |
20090075156 | Porous Electrolessly Deposited Coatings - A new electroless plating approach to generate a porous metallic coating is described in which a metal is electrolessly deposited on a surface. Microparticles in the metal are removed to leave pores in the metal coating. Another method of forming electroless coatings is described in which a blocking ligand is attached to the surface, followed by a second coating step. The invention includes coatings and coated apparatus formed by methods of the invention. The invention also includes catalyst structures comprising a dense substrate and a porous metal adhered to the dense substrate, which is further characterized by one or more of the specified features. | 03-19-2009 |
20090074627 | MANIFOLD DESIGNS, AND FLOW CONTROL IN MULITCHANNEL MICROCHANNEL DEVICES - Novel manifolds and methods of flow through manifolds are described. Apparatus and techniques are described in which flow from a relatively large volume header is equally distributed to process channels. Methods of making laminated, microchannel devices are also described. | 03-19-2009 |
20090012341 | Dehydrogenation Reactions in Narrow Reaction Chambers and Integrated Reactors - Methods of dehydrogenating hydrocarbons to yield unsaturated compounds are described. Reactor configurations useful for dehydrogenation are also described. Hydrocarbons can dehydrogenationed, for relatively long periods of time-on-stream, in a reaction chamber having a dimension of 2 mm or less to produce H | 01-08-2009 |
20090004076 | Catalytic Oxidative Dehydrogenation and Microchannel Reactors for Catalytic Oxidative Dehydrogenation - The invention provides methods of oxidative dehydrogenation (ODH). Conducting ODH in microchannels has unexpectedly been found to yield superior performance when compared to the same reactions at the same conditions in larger reactors. ODH methods employing a Mo—V—Mg—O catalyst is also described. Microchannel apparatus for conducting ODH is also disclosed. | 01-01-2009 |
20080214884 | Electroless plating in microchannels - Novel methods of electroless plating are described. Catalyst coatings can be applied within microchannel apparatus. Various reactions, including combustion and steam reforming, can be conducted over electroless catalyst coatings. | 09-04-2008 |