Systems and methods for integrating a building management system communicatively coupled to a security subsystem via a communication network, in which the building management system determines occupancy data, with a heating, ventilation, and air conditioning subsystem that includes a scrubber unit communicatively coupled to the building management system via the communication network. The scrubber unit includes a contaminant filter that sorbs air contaminants from a surrounding environment when an elevated pressure differential is introduced across the contaminant filter; an inlet sensor that determines sensor data indicative of contaminant level present in return air received by the scrubber unit from an internal portion of the building; and scrubber control circuitry that selectively instructs the scrubber unit to operate in one of multiple regeneration modes based at least in part on the occupancy data and the sensor data to facilitate improving filtering efficiency provided by the contaminant filter during subsequent operation.

Provided are apparatus and systems for performing a swing adsorption process. This swing adsorption process may involve performing a startup mode process prior to beginning a normal operation mode process to remove contaminants from a gaseous feed stream. The startup mode process may be utilized for swing adsorption processes, such as TSA and/or PSA, which are utilized to remove one or more contaminants from a gaseous feed stream.

A method for managing a pressure swing adsorption gas treatment unit, the unit having at least N adsorbers, N being a number greater than or equal to 6. Wherein, when a first group and a second group each comprise at least one operational adsorber and at least one defective adsorber. A method including a) shutting down the unit, b) isolating the defective adsorbers from the unit, c) configuring the connections to swap the instrumentation means of the defective adsorber of the first group with the instrumentation means of the operational adsorber of the second group, so that the first group once again, so far as the control device is concerned, comprises n operational adsorbers, and d) setting the control device so that it controls the unit by running the downgraded cycle, excluding the second group.

Separation station (1) with a plurality of separation units (34) for separating carbon dioxide and/or water vapour from ambient air, wherein each separation unit (34) comprises at least one contiguous and sealing circumferential wall circumferentially enclosing at least one cavity (24), said at least one contiguous and sealing circumferential wall defining an upstream opening (35) and an opposed downstream opening (36), said cavity (24) containing at least one gas adsorption structure (25) for adsorbing said at least one gaseous component, preferably under ambient pressure and/or temperature conditions, wherein said plurality of separation units (34) is arranged in at least one essentially vertical collector wall structure (2), laterally enclosing one single common separation station cavity (21), and wherein to the upper side, said separation station cavity (21) is covered and closed by at least one cover unit (1) with at least one air propelling device (10).

A unit for purifying a gas mixture by adsorption, including at least one adsorber having at least one cluster of N identical adsorbent modules operating in parallel, where N2, each cluster of N adsorbent modules includes a common inlet manifold having a straight inlet duct of axis Xe supplying N inlet nozzles Tei, where i ranges from 1 to N, respectively connected to the inlets Ei, where i ranges from 1 to N, of the N modules of the cluster, a common outlet manifold having a straight outlet duct of axis Xs collecting the flow leaving the N outlet nozzles Tsi, where i ranges from 1 to N, respectively connected to the outlets Si, where i ranges from 1, of the N modules of the cluster.

A contaminant scrubber of a heating, ventilation, and air conditioning (HVAC) system includes a housing having a first side wall and a second side wall opposite to the first side wall. The contaminant scrubber also includes a first compartment formed within the housing, a second compartment formed within the housing and having a cartridge set removably disposed therein, and a third compartment formed within the housing, where the second compartment is positioned between the first compartment and the third compartment. The contaminant scrubber also includes a first cross-member beam extending along a first bottom end of the first compartment and a second top end of the second compartment, where the first cross-member beam extends from the first side wall of the housing to the second side wall of the housing. The contaminant scrubber also includes a second cross-member beam extending along a second bottom end of the second compartment and a third top end of the third compartment, wherein the second cross-member beam extends from the first side wall of the housing to the second side wall of the housing.

A gas separation unit for the separation of carbon dioxide from air is proposed for use in a cyclic adsorption/desorption process and using a loose particulate sorbent material. The loose particulate sorbent material is disposed within an internal volume of an external support structure and supported by the external support structure, the external support structure comprising a plurality of base portions, deflected portions, and openings. The sheets are arranged parallel defining an inlet face and an outlet face, are arranged with a distance in the range of 0.1-2.5 cm (preferably 0.1-0.5 cm), and the inflow passes through the inlet face, subsequently through the particular sorbent material located in the cavity of the respective layer, subsequently to exit the layer through the outlet face to form the gas outflow. Directionality of the inflow and the outflow through the external support structure is controlled by the deflected portions of the external support structure.

A unit for purifying a gas mixture by adsorption, including at least one adsorber having at least one cluster of N identical adsorbent modules operating in parallel, where N2, each cluster of N adsorbent modules includes a common inlet manifold having a straight inlet duct of axis Xe supplying N inlet nozzles Tei, where i ranges from 1 to N, respectively connected to the inlets Ei, where i ranges from 1 to N, of the N modules of the cluster, a common outlet manifold having a straight outlet duct of axis Xs collecting the flow leaving the N outlet nozzles Tsi, where i ranges from 1 to N, respectively connected to the outlets Si, where i ranges from 1, of the N modules of the cluster.

The invention relates to a method for managing a PSA unit having at least N adsorbers arranged in pairs, where each pair is designed to be able to be selectively isolated, a control device, and a plurality of interfaces for accessing the instrumentation of each adsorber. When a first pair is fluidically isolated, the first pair having a first and a second adsorber, the isolating of a third adsorber includes setting the control device to control N-4 adsorbers, fluidically isolating a second pair having the third and a fourth adsorber, isolating one of the first and second adsorbers and the third adsorber, configuring the interfaces so as to swap over the instrumentation of the other of the first and second adsorbers and the instrumentation of the fourth adsorber, placing the first and second pairs in fluidic communication, and setting the control device to control N-2 adsorbers.

Systems and methods for improving operation of a heating, ventilation, and air conditioning system, which includes a scrubber unit coupled to an air handling unit via a return air conduit. The scrubber unit includes a contaminant filter, which sorbs air contaminants from a surrounding environment when at a target pressure differential and releases previously sorbed air contaminants into the surrounding environment when at target temperature, a return inlet actuator coupled to a return inlet damper, and scrubber control circuitry programmed to determine parameters of outside air and instruct the return inlet actuator to ramp the return inlet damper from a closed position to an open position during a bleed phase of a regeneration cycle to enable venting of the previously sorbed air contaminants using return air when the parameters of the outside air are not within corresponding target parameter ranges.