Class / Patent application number | Description | Number of patent applications / Date published |
095049000 | Sulfur containing compound permeates barrier | 9 |
20110041687 | MULTI-STAGE MEMBRANE SEPARATION PROCESS - The invention concerns a process for the removal of gaseous acidic contaminants, especially carbon dioxide and/or hydrogen sulphide, in two or more stages from a gaseous hydrocarbonaceous feedstream ( | 02-24-2011 |
20120285320 | PARTICLE DOPED HOLLOW-FIBER CONTACTOR - Methods and apparatus relate to recovery of carbon dioxide and/or hydrogen sulfide from a gas mixture. Separating of the carbon dioxide, for example, from the gas mixture utilizes a liquid sorbent for the carbon dioxide. The liquid sorbent contacts the gas mixture for transfer of the carbon dioxide from the gas mixture to the liquid sorbent. Contacting of the sorbent with the gas mixture and/or desorption of the carbon dioxide from the liquid sorbent utilize hollow-fiber contactors that have permeable walls and incorporate particles distinct from a remainder of the walls to influence wetting properties of the contactors. | 11-15-2012 |
20120297977 | Selective Polysulfide Composite Membrane - A composite membrane for separating a gas from a mixed gas stream includes a fibrous non-woven substrate including consolidated synthetic thermoplastic fibers, and coextensively disposed on a surface of the fibrous non-woven substrate a continuous polysulfide rubber film adhered thereto. | 11-29-2012 |
20130133515 | Separation of Acidic Constituents by Self Assembling Polymer Membranes - A method of removing an acidic gas from a gas stream by contacting said gas stream with a polymer, wherein the polymer is a macromolecularly self assembling polymeric material, the method including the steps of contacting the gas mixture with the membrane; and extracting the acidic gas from the gas stream. | 05-30-2013 |
20130305921 | METHOD FOR PRODUCING CARBON MOLECULAR SIEVE MEMBRANES IN CONTROLLED ATMOSPHERES - The invention concerns carbon molecular sieve membranes (“CMS membranes”), and more particularly the use of such membranes in gas separation. In particular, the present disclosure concerns an advantageous method for producing CMS membranes with desired selectivity and permeability properties. By controlling and selecting the oxygen concentration in the pyrolysis atmosphere used to produce CMS membranes, membrane selectivity and permeability can be adjusted. Additionally, oxygen concentration can be used in conjunction with pyrolysis temperature to further produce tuned or optimized CMS membranes. | 11-21-2013 |
20140157984 | SELECTIVATION OF ADSORBENTS FOR GAS SEPARATION - Systems and methods are provided for improving separation of gas phase streams using an adsorbent, such as 8-member ring zeolite adsorbents or DDR type zeolite adsorbents. Suitable gas phase streams can include at least one hydrocarbon, such as methane or a hydrocarbon containing at least one saturated carbon-carbon bond, and at least one additional component, such as CO | 06-12-2014 |
20160074815 | SEPARATION MEMBRANES FORMED FROM PERFORATED GRAPHENE AND METHODS FOR USE THEREOF - Perforated graphene sheets can be used in forming separation membranes. Separation membranes of the present disclosure, which can be used in gas separation processes in some embodiments, can include one or more layers of perforated graphene and one or more layers of another membrane material. Methods for separating a gas mixture can include contacting a gas mixture with the separation membranes, and transiting one or more of the gases through the perforated graphene so as to affect separation. | 03-17-2016 |
20160184770 | POLYIMIDE MEMBRANE FOR H2S REMOVAL | 06-30-2016 |
20160184771 | POLYIMIDE MEMBRANE FOR H2S REMOVAL | 06-30-2016 |