A system and method for optimizing operation of a rotating packed bed desorber or regenerator wherein a rich solvent is input and CO2 product and lean solvent are output includes collecting condensed water from a regeneration section of a rotating packed bed desorber system. The collected condensed water is then repressurized and reheated to generate steam and the steam is injected into the rotating packed bed desorber or regenerator as stripping vapors while heating rich solvent.

The invention pertains to processes for separating water from air. The processes may employ using an LCST solution with or without subsequent reverse osmosis, nanofiltration, or ultrafiltration.

A carbon capture system using an efficient method of capturing carbon dioxide is disclosed herein. The carbon capture system described is scalable in shape and size and can be adjusted to achieve different volumes of airflow. This method is efficient due to the maximum surface area to volume ratio achievable in a carbon capture system with the distribution of equally or randomly spaced spray nozzles configured to inject electrically charged carbon capture fluid throughout the interior of the system. The fluid interacts and then combines with air and as a result, large amounts of carbon dioxide are captured within the system. The finer the particulate of carbon capture fluid, the larger the volume ratio which results in an efficient carbon capture system.

To obtain hydrogen from a gaseous C2minus feed, it is cooled from a first to a second temperature level at a first pressure level forming one or more condensates. A gaseous remainder is cooled to a third temperature level and subjected to a counterflow absorption at the first pressure level, obtaining a top gas rich in hydrogen and methane and a sump liquid. The former is heated and subjected to pressure swing adsorption at the first pressure level, forming a product stream rich in hydrogen and depleted in or free from methane. The condensate(s) and/or the sump liquid is/are expanded to and fed into a low pressure demethanizer at the second pressure level. The counterflow absorption is carried out using fluid taken from the demethanizer at the second pressure level, compressed in gaseous form to the first pressure level and cooled to the third temperature level.

An improved process for the recovery of ethylene oxide from the aqueous scrubbing solution in which the ethylene oxide is recovered into a vaporous stream highly enriched in ethylene oxide.

The invention relates to an on-site medical gas production plant (100) comprising a unit (50) for purifying gas, such as air, a first compartment (A) for storing purified gas, and a main gas line (10) fluidically connecting the gas purification unit (50) to the said first storage compartment (A). It furthermore comprises an actuated valve (304) arranged on the main gas line (10) upstream of the first storage compartment (A), and furthermore connected to the secondary purifying device (306), as well as an operating device (4) which controls at least the actuated valve (304), and at least a gas analysis device (D2) in fluid communication with the main line (10), and which is in communication with said operating device (4).

Method for the production of ammonia, and optionally urea, from a flue gas effluent from an oxy-fired process, wherein the production of ammonia and optionally urea includes a net power production. Also provided is a method to effect cooling in an oxy-fired process with air separation unit exit gases utilizing either closed or open cooling loop cycles.

The invention relates to an on-site medical gas production plant (100) comprising a unit (50) for purifying gas, such as air, a first compartment (A) for storing purified gas, and a main gas line (10) fluidically connecting the gas purification unit (50) to the said first storage compartment (A). It furthermore comprises an actuated valve (304) arranged on the main gas line (10) upstream of the first storage compartment (A), and furthermore connected to the secondary purifying device (306), as well as an operating device (4) which controls at least the actuated valve (304), and at least a gas analysis device (D2) in fluid communication with the main line (10), and which is in communication with said operating device (4).

Systems and methods for sulfur-compound removal from hydrocarbon liquids may include at least one tank defining a chamber with top and bottom ends, a gas inlet into the chamber, a gas outlet from the chamber, a fluid inlet into the chamber, and a fluid outlet from the chamber. A fluid circulation assembly creates a hydrocarbon liquid flow on a liquid path, and a gas circulation assembly circulates a gas flow along a gas path. The gas inlet and outlet and the fluid inlet and outlet of the tank may be arranged to create a crossflow and counterflow of the liquid and gas flows in the chamber of the tank such that sulfur-containing compounds are transferred from the liquid to the gas flow. A gas processor assembly may remove sulfur-containing compounds from the gas flow before recirculating the gas flow. The gas flow may be predominantly nitrogen (N2) gas.

Systems and methods are provided for using a multi-stage capture process for capture of CO.sub.2 from air. A first or initial sorption process is used to sorb CO.sub.2 from air. After sorption from the air is complete, the desorption step of the initial stage is used to form a secondary CO.sub.2-containing stream that is passed into one or more additional sorption stages. This secondary CO.sub.2-containing stream can be at a concentration of roughly 1.0 vol % or more. Sorption of CO.sub.2 from the secondary CO.sub.2-containing stream is performed using a different contacting method, such as a contacting method that is higher efficiency. The second or later CO.sub.2 sorption stage can produce a CO.sub.2-containing output stream with a CO.sub.2 concentration of 80 vol % or more, or 90 vol % or more, or 95 vol % or more. This high purity output stream can then be sequestered and/or used for further processing.