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Res Usa Llc patents


Recent patent applications related to Res Usa Llc. Res Usa Llc is listed as an Agent/Assignee. Note: Res Usa Llc may have other listings under different names/spellings. We're not affiliated with Res Usa Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Res Usa Llc-related inventors


Conversion of methane to dimethyl ether

Herein disclosed is a method of producing dimethyl ether (dme) comprising introducing one or more feed streams comprising methane and carbon dioxide into a reformer to generate synthesis gas; and converting synthesis gas to dme in one step. In some cases, the reformer comprises a ni catalyst. ... Res Usa Llc

Fluidized bed membrane reactor

Herein disclosed is a dry reforming reactor comprising a gas inlet near the bottom of the reactor; a gas outlet near the top of the reactor; a fluidized bed comprising a catalyst; and one or more hydrogen membranes comprising palladium (pd). In some cases, the one or more hydrogen membranes comprises pd alloy membranes, or pd supported on ceramics or metals. ... Res Usa Llc

Fluidized bed membrane reactor

Herein disclosed is a dry reforming reactor comprising a gas inlet near the bottom of the reactor; a gas outlet near the top of the reactor; a fluidized bed comprising a catalyst; and one or more hydrogen membranes comprising palladium (pd). In some cases, the one or more hydrogen membranes comprises pd alloy membranes, or pd supported on ceramics or metals. ... Res Usa Llc

Reduction of greenhouse gas emission

Herein disclosed is a method of reducing greenhouse gas (ghg) emission comprising introducing one or more feed streams into a reformer to generate synthesis gas; and converting synthesis gas to dimethyl ether (dme). In some cases, the reformer is a fluidized bed dry reforming reactor. ... Res Usa Llc

Catalyst for low temperature slurry bed fischer-tropsch synthesis

A method for controllably producing a hematite-containing fischer-tropsch catalyst by combining an iron nitrate solution with a precipitating agent solution at a precipitating temperature and over a precipitation time to form a precipitate comprising iron phases; holding the precipitate from at a hold temperature for a hold time to provide a hematite containing precipitate; and washing the hematite containing precipitate via contact with a wash solution and filtering, to provide a washed hematite containing catalyst. The method may further comprise promoting the washed hematite containing catalyst with a chemical promoter; spray drying the promoted hematite containing catalyst; and calcining the spray dried hematite containing catalyst to provide a calcined hematite-containing fischer-tropsch catalyst.. ... Res Usa Llc

Biomass high efficiency hydrothermal reformer

A mixing apparatus for producing a feedstock for a reformer, the mixing apparatus including at least one mixing vessel comprising a cylindrical vessel with a conical bottom; a steam inlet configured for introducing steam into the conical bottom; a carbonaceous material inlet configured for introducing a carbonaceous feed into the cylindrical vessel; and an outlet for a reformer feedstock comprising at least 0.3 pounds of steam per pound of carbonaceous material, with the at least one mixing vessel configured for operation at a pressure of greater than about 10 psig.. . ... Res Usa Llc

Promoted, attrition resistant, silica supported precipitated iron catalyst

A structurally promoted precipitated catalyst containing crystalline silica, at least one chemical promoter selected from the group consisting of alkali metals, and iron, the structurally promoted precipitated catalyst comprising maghemite and hematite catalytic phases, and exhibiting a main reduction peak temperature, as determined by tpr, in the range of from about 210° c. To about 350° c. ... Res Usa Llc

Catalyst activation in fischer-tropsch processes

A system for activating fischer-tropsch catalyst comprising a reactor having a reactor outlet for overhead gas and operable under suitable conditions whereby a catalyst in a volume of liquid carrier comprising fischer-tropsch diesel, hydrocracking recycle oil, or a combination thereof may be activated in the presence of an activation gas; a condenser comprising an inlet fluidly connected to the reactor outlet for overhead gas and comprising a condenser outlet for condensed liquids; and a separation unit comprising an inlet fluidly connected to the condenser outlet and a separator outlet for a stream comprising primarily fischer-tropsch diesel; and a recycle line fluidly connecting the separator outlet, a hydrocracking unit, or both to the reactor, whereby fischer-tropsch diesel recovered from the reactor overhead gas, hydrocracking recycle oil, or a combination thereof may serve as liquid carrier for catalyst in the reactor. A method for activating fischer-tropsch catalyst is also provided.. ... Res Usa Llc

System and method for dual fluidized bed gasification

A system, for production of high-quality syngas, comprising a first dual fluidized bed loop having a fluid bed conditioner operable to produce high quality syngas comprising a first percentage of components other than co and h2 from a gas feed, wherein the conditioner comprises an outlet for a first catalytic heat transfer stream comprising a catalytic heat transfer material and having a first temperature, and an inlet for a second catalytic heat transfer stream comprising catalytic heat transfer material and having a second temperature greater than the first temperature; a fluid bed combustor operable to combust fuel and oxidant, wherein the fluid bed combustor comprises an inlet connected with the outlet for a first catalytic heat transfer stream of the conditioner, and an outlet connected with the inlet for a second catalytic heat transfer stream of the conditioner; and a catalytic heat transfer material.. . ... Res Usa Llc








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