Patent application number | Description | Published |
20100015564 | HIGH PERFORMANCE COATINGS AND SURFACES TO MITIGATE CORROSION AND FOULING IN FIRED HEATER TUBES - A fired heater tube that is resistant to corrosion and fouling is disclosed. The fired heater tube comprises an advantageous high performance coated material composition resistant to corrosion and fouling comprises: (PQR), wherein P is an oxide layer at the surface of (PQR), Q is a coating metal layer interposed between P and R, and R is a base metal layer, wherein P is substantially comprised of alumina, chromia, silica, mullite, spinels, and mixtures thereof, Q comprises Cr, and at least one element selected from the group consisting of Ni, Al, Si, Mn, Fe, Co, B, C, N, P, Ga, Ge, As, In, Sn, Sb, Pb, Sc, La, Y, Ce, Ti, Zr, Hf, V, Nb, Ta, Mo, W, Re, Ru, Rh, Ir, Pd, Pt, Cu, Ag, Au and mixtures thereof, and R is selected from the group consisting of low chromium steels, ferritic stainless steels, austenetic stainless steels, duplex stainless steels, Inconel alloys, Incoloy alloys, Fe—Ni based alloys, Ni-based alloys and Co-based alloys. | 01-21-2010 |
20100037773 | PROCESS FOR REMOVING POLAR COMPONENTS FROM A PROCESS STREAM TO PREVENT HEAT LOSS - A process and system for removing polar components from a process stream in a refinery process without cooling the process stream are disclosed. The process stream is fed to a first adsorber unit to remove contaminants containing sulfur from the process stream. The process stream is processed within the first adsorber unit to remove sulfur containing contaminants. The process stream is processed with the first adsorber unit at substantially the same elevated temperature. The process stream is processed within the first adsorber unit by exposing the process stream to at least one of a metal oxide and a mixed metal oxide to remove the sulfur containing contaminants from the process stream and produce a metal sulfide and a desulfurized process stream. The metal sulfide may be exposed to a stream of oxygen to regenerate the at least one of a metal oxide and a mixed metal oxide. The desulfurized process stream may be exposed to at least one of the regenerated metal oxide and regenerated mixed metal oxide to remove moisture from the desulfurized process stream. The desulfurized process stream is then fed through a second adsorber unit to remove contaminants containing nitrogen from the process stream. The process stream is processed within the second adsorber unit to remove nitrogen containing contaminants, where the process stream being processed at substantially the same elevated temperature. The process stream is processed within the second adsorber unit by exposing the process stream to at least one of a molecular sieve and zeolites to remove nitrogen containing contaminants from the process stream. | 02-18-2010 |
20100132359 | SYSTEM USING UNUTILIZED HEAT FOR COOLING AND/OR POWER GENERATION - A sorption system is disclosed that includes a sorbent material and a fluid, in which the sorbent material and fluid in combination have a pressure index of at least 1.2. | 06-03-2010 |
20100193159 | VIBRATION ACTUATION SYSTEM WITH INDEPENDENT CONTROL OF FREQUENCY AND AMPLITUDE - Vibrational energy generated with a pneumatic vibrator is controlled to independently adjust the amplitude and the frequency. A mechanical resonator is used to adjust the frequency. The controlled vibrational energy can be applied to equipment, such as a heat exchanger to mitigate fouling. | 08-05-2010 |
20110139687 | METHOD AND SYSTEMS TO REMOVE POLAR MOLECULES FROM REFINERY STREAMS - The present invention relates to methods and systems for removing polar molecule contaminants from a refinery stream in connection with the processing of hydrocarbon fluids, chemicals, whole crude oils, blends and fractions in refineries and chemical plants that include adding high surface energy and/or high surface area nanoparticle compounds to a refinery stream to remove the polar molecule contaminants. | 06-16-2011 |
20110239692 | UTILIZATION OF WASTE HEAT USING FIBER SORBENT SYSTEM AND METHOD OF USING SAME - The disclosed subject matter relates to process modifications and apparatus designs that are conducive towards minimizing temperature swings (ΔT) useful to yield operating pressures that provide work and/or refrigeration (e.g., electricity and/or refrigeration) in sorption systems. Such process modifications and designs are particularly suited to make use of waste heat in industrial process, (e.g., a chemical processing or petrochemical refining operation) in which low grade heat source(s) are used to drive the sorption system. | 10-06-2011 |
20110277888 | CHROMIUN-ENRICHED OXIDE CONTAINING MATERIAL AND PREOXIDATION METHOD OF MAKING THE SAME TO MITIGATE CORROSION AND FOULING ASSOCIATED WITH HEAT TRANSFER COMPONENTS - A method of providing sulfidation corrosion resistance and corrosion induced fouling resistance for a heat transfer component is disclosed. The heat transfer component includes a heat exchange surface formed from a chromium-enriched oxide containing material formed from the composition δ, ε, and ζ, wherein ζ is a steel containing at least about 5 to about 40 wt. % chromium, ε is a chromium enriched oxide (M | 11-17-2011 |
20120085126 | LOW ENERGY DISTILLATION SYSTEM AND METHOD - A distillation system for separating components fluid feed includes a stripper and a rectifier. The stripper includes an inlet to receive a feed of fluid a compressor in fluid communication with a more volatile portion of the fluid within the stripper to provide an output feed, and a reboiler in fluid communication with a less volatile portion of fluid within the stripper. The rectifier receives the output feed and includes a condenser in fluid communication with a more volatile portion of the output feed from the compressor, the condenser including an exit to remove at least one component from the more volatile portion of the output feed, and an outlet to recycle a less volatile portion of the output feed back to the stripper. Heat pipes transfer thermal energy from the rectifier to the stripper. | 04-12-2012 |
20120118004 | ADSORPTION CHILLING FOR COMPRESSING AND TRANSPORTING GASES - A gas transport system including a conduit (e.g., a pipeline) containing a feed of a gas at a first temperature and first pressure, a source of a refrigerant from an adsorption system in thermal communication with the conduit to cool the feed of gas to a reduced temperature, and at least one compressor to receive the cooled feed of gas and increase the amount of cooled feed of gas to a second pressure, in which the second pressure is greater than the first pressure. | 05-17-2012 |
20120118009 | RECOVERY OF GREENHOUSE GAS AND PRESSURIZATION FOR TRANSPORT - A system for isolating a greenhouse gas from an exhaust gas includes a vessel having an inlet to receive an exhaust gas, and an outlet to discharge a process stream, an adsorbent contained in the vessel to selectively adsorb the greenhouse gas from the exhaust gas under suitable conditions, and a heat source to heat the adsorbent and desorb the adsorbed greenhouse gas therefrom to produce a process stream of greenhouse gas for release through the outlet. | 05-17-2012 |
20120246935 | CORROSION RESISTANT MATERIAL FOR REDUCED FOULING, A HEAT TRANSFER COMPONENT HAVING REDUCED FOULING AND A METHOD FOR REDUCING FOULING IN A REFINERY - A method and device for reducing sulfidation corrosion and depositional fouling in heat transfer components within a refining or petrochemical facility is disclosed. The heat transfer components are formed from a corrosion and fouling resistant steel composition containing a Cr-enriched layer having a surface roughness of less than 40 micro inches (1.1 μm) and a protective layer formed thereon. | 10-04-2012 |
20120273091 | SILICON-CONTAINING STEEL COMPOSTITION WITH IMPROVED HEAT EXCHANGER CORROSION AND FOULING RESISTANCE - A method of providing sulfidation corrosion resistance and corrosion induced fouling resistance to a heat transfer component surface includes providing a silicon containing steel composition including an alloy and a Si-partitioned non-metallic film formed on a surface of the alloy. The alloy is formed from the composition η, θ, and t, in which η is a metal selected from the group consisting of Fe, Ni, Co, and mixtures thereof, θ is Si, and t is at least one alloying element selected from the group consisting of Cr, Al, Mn, Ti, Zr, Hf, V, Nb, Ta, Mo, W, Sc, La, Y, Ce, Ru, Rh, Ir, Pd, Pt, Cu, Ag, Au, Ga, Ge, As, In, Sn, Sb, Pb, B, C, N, P, O, S and mixtures thereof. The Si-partitioned non-metallic film comprises at least one of sulfide, oxysulfide and mixtures thereof. | 11-01-2012 |
20120315197 | SYSTEM FOR REMOVING POLAR COMPONENTS FROM A PROCESS STREAM TO PREVENT HEAT LOSS - A system for removing polar components from a process stream in a refinery process without cooling the stream is disclosed. The stream is fed to a first adsorber unit to remove contaminants containing sulfur from the stream at substantially the same elevated temperature. The stream is processed within the first adsorber unit by exposing the stream to at least one of a metal oxide and a mixed metal oxide to remove the sulfur containing contaminants and produce a metal sulfide and a desulfurized stream. The desulfurized stream is then fed through a second adsorber unit to remove contaminants containing nitrogen from the stream at substantially the same elevated temperature. The stream is processed within the second adsorber unit by exposing the stream to at least one of a molecular sieve and zeolites to remove nitrogen containing contaminants from the stream. | 12-13-2012 |
20130025272 | SYSTEM USING UNUTILIZED HEAT FOR COOLING AND/OR POWER GENERATION - A process for generating refrigeration, electricity or work utilizing a sorption system is disclosed. The sorption system includes a sorbent material and a fluid, in which the sorbent material and fluid in combination have a pressure index of at least 1.2. | 01-31-2013 |
20140037382 | RECOVERY OF GREENHOUSE GAS AND PRESSURIZATION FOR TRANSPORT - A system for isolating a greenhouse gas from an exhaust gas includes a vessel having an inlet to receive an exhaust gas, and an outlet to discharge a process stream, an adsorbent contained in the vessel to selectively adsorb the greenhouse gas from the exhaust gas under suitable conditions, and a heat source to heat the adsorbent and desorb the adsorbed greenhouse gas therefrom to produce a process stream of greenhouse gas for release through the outlet. | 02-06-2014 |