Abstract:
A system for use in recovering carbon dioxide from a stream of gas includes an absorption unit configured to receive the stream of gas and a stream of liquid absorbent. The gas includes carbon dioxide and vaporized water, and the liquid absorbent is chemically reactive with the carbon dioxide to form a solidified carbon dioxide-rich absorbent material. The gas and the liquid absorbent are mixed in the absorption unit such that a slurry that includes the solidified carbon dioxide-rich absorbent material and condensed water is formed therein. The system also includes a transport mechanism coupled in communication with the absorption unit, wherein the transport mechanism is configured to channel the slurry downstream from the absorption unit.
Abstract:
Systems and methods for separating carbon dioxide (CO2) from a gas stream are provided. The system includes a reaction chamber 20, a pressurization unit 30, and a desorption unit 40. The reaction chamber 20 is configured to receive a liquid sorbent stream 14 and the gas stream 12, to react at least a portion of CO2 in the gas stream 12 with the liquid sorbent and form an adduct stream 22. The pressurization unit 30 is configured to contact the adduct stream 22 with a pressurized CO2 stream 24 and form a pressurized adduct stream 32 that includes a liquid CO2 adduct. The desorption unit 40 is in fluid communication with the pressurization unit 30, and is configured to decompose at least a portion of the liquid CO2 adduct to form a CO2 stream 42 and a regenerated liquid sorbent stream 44.
Abstract:
Systems and methods for separating carbon dioxide (CO2) from a gas stream are provided. The system includes a reaction chamber 20, a pressurization unit 30, and a desorption unit 40. The reaction chamber 20 is configured to receive a liquid sorbent stream 14 and the gas stream 12, to react at least a portion of CO2 in the gas stream 12 with the liquid sorbent and form an adduct stream 22. The pressurization unit 30 is configured to contact the adduct stream 22 with a pressurized CO2 stream 24 and form a pressurized adduct stream 32 that includes a liquid CO2 adduct. The desorption unit 40 is in fluid communication with the pressurization unit 30, and is configured to decompose at least a portion of the liquid CO2 adduct to form a CO2 stream 42 and a regenerated liquid sorbent stream 44.
Abstract:
A system for treatment of a gaseous medium, comprises an extruder having a barrel. The extruder further comprises a first inlet port, a second inlet port, and a plurality of outlet ports coupled to the barrel. The first inlet port is configured for feeding a lean sorbent, the second inlet port is configured for feeding a gaseous medium, and the plurality of outlet ports are configured for releasing a plurality of components removed from the gaseous medium. Further, the extruder comprises a plurality of helical elements coupled to a plurality of kneading elements, mounted on a shaft, and disposed within the barrel. The barrel and the plurality of helical and kneading elements together form an absorption unit and a desorption unit. The first and second inlet ports are formed in the absorption unit and the plurality of outlet ports are formed in the absorption and desorption units.
Abstract:
A method for separating carbon dioxide (CO2) from a gas stream is provided. The method includes reacting at least a portion of CO2 in the gas stream with a plurality of liquid sorbent particles to form a plurality of solid adduct particles and a first CO2-lean gas stream; the solid adduct particles entrained in the first CO2-lean gas stream to form an entrained gas stream. The method includes separating at least a portion of the plurality of solid adduct particles from the entrained gas stream in a separation unit to form an adduct stream and a second CO2-lean gas stream. The method further includes heating at least a portion of the adduct stream in a desorption unit to form a CO2 stream and a regenerated liquid sorbent stream. A system for separating CO2 from a gas stream is also provided.
Abstract:
A system for discharging dry solids into high pressure environments is disclosed. The system includes a hopper, a feeder device coupled to the hopper, and a discharge device disposed downstream relative to the feeder device. The feeder device includes a rotatable casing including a plurality of pockets, a stationary core disposed within the rotatable casing, and a plurality of valves. Each pocket includes an inlet, an outlet, and a plurality of first through-holes. The stationary core includes a plurality of channels, where each channel includes a plurality of second through-holes. Each valve is disposed at the outlet of a corresponding pocket from the plurality of pockets. The discharge device includes a valve actuator configured to actuate each valve.
Abstract:
A method for separating carbon dioxide (CO2) from a gas stream is provided. The method includes reacting at least a portion of CO2 in the gas stream with a plurality of liquid sorbent particles to form a plurality of solid adduct particles and a first CO2-lean gas stream; the solid adduct particles entrained in the first CO2-lean gas stream to form an entrained gas stream. The method includes separating at least a portion of the plurality of solid adduct particles from the entrained gas stream in a separation unit to form an adduct stream and a second CO2-lean gas stream. The method further includes heating at least a portion of the adduct stream in a desorption unit to form a CO2 stream and a regenerated liquid sorbent stream. A system for separating CO2 from a gas stream is also provided.
Abstract:
An apparatus and method for delivering a fluid mixture using direct injection to a mixing apparatus. The apparatus including a proppant storage vessel configured to contain therein a proppant material and output a proppant output flow at ambient pressure to a solid feed pump assembly. The apparatus further including a fracturing fluid storage vessel configured to contain therein a fracturing fluid and output a fracturing fluid output flow at a fracture fluid blending pressure. The solid feed pump assembly configured to output to a mixing apparatus, a proppant output flow at the fracture fluid blending pressure. The mixing apparatus configured to output a fluid mixture of the proppant and the fracturing fluid at the fracture fluid blending pressure. The mixing apparatus coupled to a high pressure pump assembly and configured to deliver the fluid mixture therein to a downstream component at an injection pressure.
Abstract:
A system for use in recovering carbon dioxide from a stream of gas includes an absorption unit configured to receive the stream of gas and a stream of liquid absorbent. The gas includes carbon dioxide and vaporized water, and the liquid absorbent is chemically reactive with the carbon dioxide to form a solidified carbon dioxide-rich absorbent material. The gas and the liquid absorbent are mixed in the absorption unit such that a slurry that includes the solidified carbon dioxide-rich absorbent material and condensed water is formed therein. The system also includes a transport mechanism coupled in communication with the absorption unit, wherein the transport mechanism is configured to channel the slurry downstream from the absorption unit.
Abstract:
An apparatus and method for preparing and delivering a fluid mixture. The apparatus includes a high pressure differential solids feeder assembly and a pressurized mixing apparatus. The feeder assembly is coupled to a proppant storage vessel at ambient pressure and receives a continuous unpressurized proppant output flow from the proppant storage vessel. The feeder assembly is configured to output a continuous pressurized proppant output flow of sufficient mass to achieve continuous operation of the apparatus in an uninterrupted episode for an individual fracture stage. The pressurized mixing apparatus is coupled to the feeder assembly and in fluidic communication with the continuous pressurized proppant output flow and a continuous pressurized fracturing fluid flow. The pressurized mixing apparatus is configured to output a continuous flow of a pressurized fluid mixture of a sufficient volume and mass to achieve continuous operation of the apparatus in an uninterrupted episode for the individual fracture stage.