| Patent application number | Description | Published |
|---|
| 20080210087 | MEMBRANES FOR SEPARATION OF CARBON DIOXIDE - Methods for separating carbon dioxide from a fluid stream at a temperature higher than about 200° C. with selectivity higher than Knudsen diffusion selectivity include contacting a porous membrane with the fluid stream to preferentially transport carbon dioxide. The porous membrane includes a porous support and a continuous porous separation layer disposed on a surface of the porous support and extending between the fluid stream and the porous support layer. The porous support comprises alumina, silica, zirconia, stabilized zirconia, stainless steel, titanium, nickel-based alloys, aluminum-based alloys, zirconium-based alloys or a combination thereof. Median pore size of the porous separation layer is less than about 10 nm, and the porous separation layer comprises titania, MgO, CaO, SrO, BaO, La | 09-04-2008 |
| 20090214851 | NANOSTRUCTURE ARRAYS - A nanostructure array including a nanoporous template and a masking material disposed on the nanoporous template such that a first number of the plurality of nanopores are fully coated while a second number of the plurality of nanopores are not-fully coated by the masking material is provided. The array includes forming nanostructures within the plurality of nanopores that are not-fully coated by the masking material. | 08-27-2009 |
| 20090218275 | MEMBRANE STRUCTURE AND METHOD OF MAKING - A membrane structure is provided. The membrane structure includes a polymer layer having a plurality of pores; and a ceramic layer disposed on the polymer layer. The ceramic layer has a plurality of substantially unconnected pores. Each of the substantially unconnected pores is in fluid communication with at least one of the pores of the polymer layer. A method of manufacturing a membrane structure is provided. The method includes the steps of providing a polymer layer having a plurality of pores; and disposing a ceramic layer on the polymer layer. Disposing a ceramic layer includes depositing a metal layer on the polymer layer; and anodizing the metal layer to convert the metal layer into a porous layer. At least one of the depositing step and the anodizing step is performed as a continuous process. Alternatively, at least one of the depositing and the anodizing step is performed as a batch process. | 09-03-2009 |
| 20090280246 | MESOPOROUS MEMBRANES WITH COMPLEX FUNCTIONAL ARCHITECTURES AND METHODS FOR MAKING - In some embodiments, the present invention is directed to methods of making structures with complex functional architectures, where such structures generally comprise at least two mesoporous regions comprising different chemical activity, and where such methods afford spatial control over the placement of such regions of differing chemical activity. In some embodiments, the present invention is also directed to the structures formed by such methods, where such structures are themselves novel. | 11-12-2009 |
| 20100096066 | MEMBRANE STRUCTURE AND METHOD OF MAKING - A membrane structure is provided. A membrane structure has a top surface and a bottom surface. The membrane structure includes a plurality of sintered layers including an inner layer disposed between two outer layers. The membrane structure further includes a nonmonotonic gradient in pore size extending between the top surface and the bottom surface. A method of making a membrane structure is provided. The method includes the steps of providing at least one inner layer; providing a plurality of outer layers; and laminating the inner layer and the outer layers to obtain a membrane structure. | 04-22-2010 |
| 20100108241 | MEMBRANE STRUCTURE AND METHOD OF MAKING - A membrane structure is provided. The membrane structure includes a first layer having a plurality of pores; and a second layer disposed on the first layer. The second layer has a plurality of unconnected pores. At least a portion of the plurality of unconnected pores of the second layer is at least partially filled with a filler such that the first layer is substantially free of the filler. At least a portion of the plurality of unconnected pores of the second layer is in fluid communication with at least one of the pores of the first layer. A method of making a membrane structure is provided. The method includes the steps of providing a first layer having a plurality of interconnected pores; disposing a second layer on the first layer, and filling at least a portion of the unconnected pores of the second layer with a filler such that the first layer is substantially free of the filler. Disposing a second layer includes depositing a metal layer on the first layer; and anodizing the metal layer to convert the metal layer into porous oxide layer. | 05-06-2010 |
| 20100129639 | SURFACE HAVING A NANOPOROUS COATING, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is an that includes a substrate; and a nanoporous coating disposed thereon; the nanoporous coating having a thickness of about 5 nanometers to about 10 micrometers; where an interface between the substrate and the nanoporous coating is disposed at an angle of about 60 degrees to about 120 degrees to a horizontal; the nanoporous coating being in contact with a liquid; the nanoporous coating being operative to improve the critical heat flux by an amount of about 20% to about 100% over a surface that does not have a nanoporous coating. | 05-27-2010 |
| 20100155252 | MEMBRANE STRUCTURE AND METHOD OF MAKING - A membrane structure is provided. The membrane structure includes a first layer having a plurality of interconnected pores; and a second layer disposed on the first layer. The second layer has a plurality of unconnected pores. Each of the unconnected pores is in fluid communication with at least one of the interconnected pores of the first layer. A method of making a membrane structure is provided. The method includes the steps of providing a first layer having a plurality of interconnected pores; and disposing a second layer on the first layer. Disposing a second layer includes depositing a conducting layer on the first layer; and anodizing the conducting layer to convert the conducting layer into a porous layer. | 06-24-2010 |
| 20110020188 | IGCC WITH CONSTANT PRESSURE SULFUR REMOVAL SYSTEM FOR CARBON CAPTURE WITH CO2 SELECTIVE MEMBRANES - An integrated gasification combined cycle (IGCC) system involving CO | 01-27-2011 |
| 20110030382 | MEMBRANES SUITABLE FOR GAS SEPARATION, AND RELATED ARTICLES AND PROCESSES - A porous membrane structure is disclosed, which includes a porous substrate, a mesoporous, aluminum oxide layer disposed on the substrate; and a relatively thin, continuous, microporous barrier layer disposed on the mesoporous aluminum oxide layer, also formed from aluminum oxide. The membrane is capable of improving hydrogen selectivity within a gas stream, e.g., a synthesis gas composition. Membrane supports containing these structures are also described, as well as gas separation modules, and related processes. Power plants which incorporate the gas separation modules are also disclosed herein. | 02-10-2011 |
| 20110030383 | HYBRID MULTICHANNEL POROUS STRUCTURE FOR HYDROGEN SEPARATION - A hybrid multichannel porous structure for processing between two fluid streams of different compositions includes a housing and one or more structures disposed within the cavity of the housing in a shell and tube configuration. Each structure includes a body made of a porous, inorganic material and a plurality of channels for processing an optional sweep stream. Each channel is coated with a membrane layer. A feed stream introduced into the housing is in direct contact with the structures such that a gas selectively permeates through the body and into the channels. The gas combines with the sweep stream to form a permeate that exits from each channel. The remaining feed stream forms a retentate that exits from the housing. The feed stream may consist of syngas containing hydrogen gas and the sweep stream may contain nitrogen gas. A power plant that incorporates the hybrid structure is disclosed. | 02-10-2011 |
| 20110030384 | Syngas cleanup section with carbon capture and hydrogen-selective membrane - A syngas cleanup section includes a water-gas shift reactor, a first operation unit and a second operation unit. The first operation unit includes a high permeance membrane with H | 02-10-2011 |
| 20110099969 | HYBRID MULTICHANNEL POROUS STRUCTURE FOR HYDROGEN SEPARATION - A hybrid multichannel porous structure for processing between two fluid streams of different compositions includes a housing and one or more structures disposed within the cavity of the housing in a shell and tube configuration. Each structure includes a body made of a porous, inorganic material and a plurality of channels for processing an optional sweep stream. Each channel is coated with a membrane layer. A feed stream introduced into the housing is in direct contact with the structures such that a gas selectively permeates through the body and into the channels. The gas combines with the sweep stream to form a permeate that exits from each channel. The remaining feed stream forms a retentate that exits from the housing. The feed stream may consist of syngas containing hydrogen gas and the sweep stream may contain nitrogen gas. A power plant that incorporates the hybrid structure is disclosed. | 05-05-2011 |
