Res Usa, LLC

Rentech, Inc.

Pci Nitrogen, LLC

Mark D Ibsen

Harold A Wright

Weibin Jiang

Mark K Robertson

Eric R Elrod

Bruce E McComish

Benjamin H Carryer

Bryan C Borum

Sim Weeks

Mark S Bohn

Mark Robertson

Bruce Mccomish

Belma Demirel

Charles B Benham

Sergio Mohedas

James E Siebarth

Praveen Jain

Santiago Gomez

Frank Hogsett

Peter S Pedersen

William H Hawthorne

A system for the production of ammonium sulfate granules including a pipe cross reactor (PCR) configured to contact concentrated sulfuric acid with anhydrous ammonia to produce a PCR product comprising ammonium sulfate; and a granulator fluidly connected to the PCR, whereby PCR product extracted from the PCR can be introduced into the granulator, an inlet for ammonium sulfate seed material, an ammonia sparger configured to spray liquid anhydrous ammonia onto a bed of ammonium sulfate granules within the granulator, and a granulator product outlet configured for extraction of granulator product comprising ammonium sulfate granules from the granulator. A method of producing ammonium sulfate granules is also provided.

System and method for production of granular ammonium sulfate

A method for converting synthesis gas into liquid hydrocarbons by introducing a synthesis gas feed into a Fischer-Tropsch system that includes a catalytic reactor fluidly connected with at least two slurry loops, the reactor comprising at least as many reactor product outlets and slurry return inlets as slurry loops; each slurry loop comprising a separation system comprising at least one separator, an inlet of each separator fluidly connected to a reactor product outlet via a slurry offtake, and an outlet of each separator fluidly connected to a slurry return inlet via a slurry return; separating concentrated catalyst slurry from the reaction product via the slurry loops; removing liquid hydrocarbon product from each separator; and returning concentrated catalyst slurry to the catalytic reactor via the slurry returns and slurry return inlets. A system for converting synthesis gas into liquid hydrocarbons via the method is also disclosed.

Commercial Fischer-Tropsch reactor

A system configured for the production of at least one product selected from the group consisting of syngas, Fischer-Tropsch synthesis products, power, and chemicals, the system comprising a dual fluidized bed gasification apparatus and at least one apparatus selected from power production apparatus configured to produce power from the gasification product gas, partial oxidation reactors configured for oxidation of at least a portion of the product gas, tar removal apparatus configured to reduce the amount of tar in the product gas, Fischer-Tropsch synthesis apparatus configured to produce Fischer-Tropsch synthesis products from at least a portion of the product gas, chemical production apparatus configured for the production of at least one non-Fischer-Tropsch product from at least a portion of the product gas, and dual fluidized bed gasification units configured to alter the composition of the product gas. Methods of operating the system are also provided.

Gasification system and method

A method of gasification by introducing a feed material to be subjected to gasification into a dual fluidized bed gasifier comprising a pyrolyzer fluidly connected with a combustor such that a circulation stream comprising a heat transfer material can be continuously circulated between the pyrolyzer, in which the temperature of the circulation stream is reduced, and the combustor, in which the temperature of the circulation stream is increased, wherein the pyrolyzer is operable to convert at least a portion of the feed material into a gasifier product gas comprising hydrogen and carbon monoxide, and wherein the combustor is operable to increase the temperature of the circulation stream via combustion of char introduced thereto with the circulation stream and at least one supplemental fuel. A system for carrying out the method is also provided.

Supplemental fuel to combustor of dual fluidized bed gasifier

A method including introducing a carbonaceous feedstock and a heated heat transfer material into a gasifier, whereby at least a portion of the carbonaceous material is pyrolyzed; removing a gasification product gas comprising, entrained therein, char, particulate heat transfer material, and optionally unreacted carbonaceous feedstock; separating a solids product comprising char, heat transfer material and optionally unreacted carbonaceous material from the gasification product gas; heating at least a portion of the solids product via a combustor, thus producing a heated portion of the solids product and a combustor flue gas, wherein a portion of the heat for heating is obtained via combustion of the char; separating the heated portion from the flue gas, and introducing the separated heated portion into the gasifier, providing heat for pyrolysis; and utilizing at least a portion of the gasification product gas for Fischer-Tropsch synthesis and/or power production.

A catalytic reaction system comprising: a catalytic reactor fluidly connected with at least two slurry loops, wherein the reactor comprises at least as many reactor product outlets and at least as many slurry return inlets as slurry loops; wherein each slurry loop comprises a separation system comprising a separation system inlet, a separation system product outlet, and a concentrated catalyst slurry outlet; a slurry offtake fluidly connecting the separation system inlet with one of the reactor product outlets; and a slurry return fluidly connecting the separation system outlet with one of the slurry return inlets. The system may comprise at least three slurry loops. The system may comprise at least four slurry loops. A method for converting synthesis gas into liquid hydrocarbons via the catalytic reaction system in also disclosed.

A method of producing synthesis gas by introducing a feed material to be gasified into a gasification apparatus comprising at least one fluidized component operable as a fluidized bed, wherein the gasification apparatus is configured to convert at least a portion of the feed material into a gasifier product gas comprising synthesis gas; and maintaining fluidization of the at least one fluidized component by introducing a fluidization gas thereto, wherein the fluidization gas comprises at least one component other than steam. A system for producing synthesis gas is also provided.

Gasifier fluidization

A method for generation of power and Fischer-Tropsch synthesis products by producing synthesis gas comprising hydrogen and carbon monoxide, producing Fischer-Tropsch synthesis products and Fischer-Tropsch tailgas from a first portion of the synthesis gas, and generating power from a second portion of the synthesis gas, from at least a portion of the Fischer-Tropsch tailgas, or from both. The method may also comprise conditioning at least a portion of the synthesis gas and/or upgrading at least a portion of the Fischer-Tropsch synthesis products. A system for carrying out the method is also provided.

System and method for production of Fischer-Tropsch synthesis products and power

A system including at least one hydrogen extraction unit comprising an inlet for a synthesis feedgas from a synthesis feedgas line and adapted to remove at least one hydrogen-rich gas and at least one hydrogen-lean gas from the synthesis feedgas to yield a refined synthesis gas; and at least one hydrocarbon synthesis reactor, at least one dedicated activation reactor, or both, wherein the at least one hydrocarbon synthesis reactor is fluidly connected with the at least one hydrogen extraction unit and configured to provide liquid hydrocarbons and a first byproduct gas from a synthesis reactor feedstream comprising at least a portion of the refined synthesis gas; and wherein the at least one dedicated activation reactor is fluidly connected with the at least one hydrogen extraction unit, the at least one hydrocarbon synthesis reactor, or both, and configured for activation of hydrocarbon synthesis catalyst via an activation gas.

Growing community of inventors

Highlands Ranch, CO, United States of America

Mark D Ibsen