Methods and systems of collecting carbon dioxide are disclosed. In one example, a method includes removing water from atmospheric air with a condenser and a desiccant material to produce dry air, adsorbing carbon dioxide to a material from the dry air, releasing the adsorbed carbon dioxide to a vacuum chamber, and transitioning the released carbon dioxide from a gas to a solid in the vacuum chamber.

Embodiments described herein relate to systems and methods of CO.sub.2 uptake. In one aspect, a method includes applying heat to a calciner to decompose a carbon-containing stream to a gas stream and a stream of a carbonation medium, the gas stream including CO.sub.2. The method further includes sequestering and/or utilizing the gas stream, feeding the stream of the carbonation medium to a carbonation station, contacting the carbonation medium with ambient air at the carbonation station, such that the carbonation medium adsorbs CO.sub.2 to form the carbon-containing stream, during the contacting, adding a water stream to the carbonation medium at intervals of about 30 minutes to about 72 hours, and feeding the carbon-containing stream to the calciner. In some embodiments, adding the water stream is via misting and/or spraying.

A dry ice preparation device includes an ice preparation cavity, one or more ice injection valves, an air exhaust valve, and a liquid inlet pipeline. The one or more ice injection valves are disposed on a distal end of the liquid inlet pipeline and are configured to eject liquid carbon dioxide into the ice preparation cavity by turning on a liquid outlet port. The air exhaust valve is disposed between an air exhaust port and the liquid outlet port to enable the liquid outlet port to be in communication with external air through the air exhaust port.

A dry ice preparation device includes an ice preparation cavity, one or more ice injection valves, an air exhaust valve, and a liquid inlet pipeline. The one or more ice injection valves are disposed on a distal end of the liquid inlet pipeline and are configured to eject liquid carbon dioxide into the ice preparation cavity by turning on a liquid outlet port. The air exhaust valve is disposed between an air exhaust port and the liquid outlet port to enable the liquid outlet port to be in communication with external air through the air exhaust port.

Methods and systems of collecting carbon dioxide are disclosed. In one example, a method includes removing water from atmospheric air with a condenser and a desiccant material to produce dry air, adsorbing carbon dioxide to a material from the dry air, releasing the adsorbed carbon dioxide to a vacuum chamber, and transitioning the released carbon dioxide from a gas to a solid in the vacuum chamber.

Methods and systems of collecting carbon dioxide are disclosed. In one example, a method includes removing water from atmospheric air with a condenser and a desiccant material to produce dry air, adsorbing carbon dioxide to a material from the dry air, releasing the adsorbed carbon dioxide to a vacuum chamber, and transitioning the released carbon dioxide from a gas to a solid in the vacuum chamber.

Devices and systems for dry ice production are described, including a lid structure sized for placement over a storage container, an input tube sized to traverse a first opening in the lid structure and forming a flow conduit for pressurized carbon dioxide into the storage container, a vent tube sized to traverse a second opening in the lid structure and forming a flow conduit for gaseous carbon dioxide, a first end of the vent tube sized to fit into the storage container, a lower vent tube sized to fit in the storage container, the lower vent tube coupled to the first end of the vent tube and having openings to vent gaseous carbon dioxide from the storage container and into the vent tube.

The present invention relates to the production of granulated solid carbon dioxide mainly for the purpose of cleaning surfaces of parts of various industrial equipment from operational and process surface contaminants and for the purpose of cooling various objects.

Provided herein methods, devices and a system for compacting the solid carbon dioxide particles produced by expanding liquid carbon dioxide, wherein the mechanical energy obtained by converting the pressure energy of the compressed gaseous carbon dioxide produced by said expanding of said liquid carbon dioxide is used for compacting.

The present invention relates to the production of granulated solid carbon dioxide mainly for the purpose of cleaning surfaces of parts of various industrial equipment from operational and process surface contaminants and for the purpose of cooling various objects.

Provided herein methods, devices and a system for compacting the solid carbon dioxide particles produced by expanding liquid carbon dioxide, wherein the mechanical energy obtained by converting the pressure energy of the compressed gaseous carbon dioxide produced by said expanding of said liquid carbon dioxide is used for compacting.

A method of transporting CO.sub.2 includes combining gaseous CO.sub.2 produced at a point of origin with a solid metal oxide salt and/or a solid metal hydroxide salt at the point of origin to form a solid metal carbonate salt that includes the CO.sub.2 from the point of origin and the metal from the metal oxide salt or the metal from the metal hydroxide salt. The method includes transporting the solid metal carbonate salt from the point of origin to a destination. The method also includes calcining the solid metal carbonate salt at the destination to generate gascous CO.sub.2 and to re-generate the solid metal oxide salt and/or the solid metal hydroxide salt.