A novel sublimation purification method is provided. Moreover, a novel sublimation purification apparatus is provided. A purification method using a purification apparatus including a purification portion where a substance is purified by vaporization, a temperature adjustment means, a gas supply means, and a gas discharge means is provided. In the purification method, the inside of the purification portion is made to have a first pressure with use of the gas discharge means, a temperature gradient is generated in the purification portion with use of the temperature adjustment means such that the substance is purified, the pressure in the purification portion is then set at a second pressure with use of the gas supply means, and the purification portion is cooled with use of the temperature adjustment means. The second pressure is higher than the first pressure and the second pressure is higher than or equal to an atmospheric pressure.

A novel sublimation purification method is provided. Moreover, a novel sublimation purification apparatus is provided. A purification method using a purification apparatus including a purification portion where a substance is purified by vaporization, a temperature adjustment means, a gas supply means, and a gas discharge means is provided. In the purification method, the inside of the purification portion is made to have a first pressure with use of the gas discharge means, a temperature gradient is generated in the purification portion with use of the temperature adjustment means such that the substance is purified, the pressure in the purification portion is then set at a second pressure with use of the gas supply means, and the purification portion is cooled with use of the temperature adjustment means. The second pressure is higher than the first pressure and the second pressure is higher than or equal to an atmospheric pressure.

An electrical apparatus for electrical energy handling includes a housing with at least one insulation space, in which an electrical component is arranged and which contains an insulation medium surrounding the electrical component. The insulation medium includes an organofluorine compound and at least one further gaseous component. The apparatus further includes a gas flow generating device for flowing an initial gas mixture, containing the organofluorine compound and at least one further component of the insulation medium, out of the insulation space through an outlet opening arranged in the housing. A substance recovery device downstream of outlet opening includes a separator for separating the organofluorine compound from the at least one further component of the initial gas mixture, the separator being a liquefaction device for liquefying and/or solidification device for solidifying the organofluorine compound.

An electrical apparatus for electrical energy handling includes a housing with at least one insulation space, in which an electrical component is arranged and which contains an insulation medium surrounding the electrical component. The insulation medium includes an organofluorine compound and at least one further gaseous component. The apparatus further includes a gas flow generating device for flowing an initial gas mixture, containing the organofluorine compound and at least one further component of the insulation medium, out of the insulation space through an outlet opening arranged in the housing. A substance recovery device downstream of outlet opening includes a separator for separating the organofluorine compound from the at least one further component of the initial gas mixture, the separator being a liquefaction device for liquefying and/or solidification device for solidifying the organofluorine compound.

A system captures carbon dioxide from a flue gas of a power generation facility by using cold heat of liquefied natural gas and utilizes the captured carbon dioxide for mining natural gas, using heat of the flue gas to regasify the LNG. Solidified dry ice is captured from gaseous carbon dioxide contained in the flue gas, and the captured dry ice is used as filler when mining natural gas. The system includes a mining facility, a vehicle to transport LNG liquefied by the mining facility; and a facility for regasifying the transported LNG and capturing dry ice from the carbon dioxide. In the regasification and capture facility, the flue gas exchanges heat with the LNG, thereby regasifying the LNG at an increased temperature and capturing the dry ice from the carbon dioxide. The captured dry ice is transported to the mining facility, which uses it for mining the natural gas.

A system for removing acid gases from a raw gas stream is provided. The system includes a cryogenic distillation tower. The cryogenic distillation tower has a controlled freezing zone that receives a cold liquid spray comprised primarily of methane. The tower receives and then separates the raw gas stream into an overhead methane gas stream and a substantially solid material comprised on carbon dioxide. The system includes a collector tray below the controlled freezing zone. The collector tray receives the substantially solid material as it is precipitated in the controlled freezing zone. The system also has a filter. The filter receives the substantially solid material and then separates it into a solid material comprised primarily of carbon dioxide, and a liquid material comprising methane. The solid material may be warmed as a liquid and sold, while the liquid material is returned to the cryogenic distillation tower.

A system for removing acid gases from a raw gas stream is provided. The system includes a cryogenic distillation tower. The cryogenic distillation tower has a controlled freezing zone that receives a cold liquid spray comprised primarily of methane. The tower receives and then separates the raw gas stream into an overhead methane gas stream and a substantially solid material comprised on carbon dioxide. The system includes a collector tray below the controlled freezing zone. The collector tray receives the substantially solid material as it is precipitated in the controlled freezing zone. The system also has a filter. The filter receives the substantially solid material and then separates it into a solid material comprised primarily of carbon dioxide, and a liquid material comprising methane. The solid material may be warmed as a liquid and sold, while the liquid material is returned to the cryogenic distillation tower.

A method for separating components from a fluid is disclosed. A cooling element is provided and is disposed in contact with a distal side of one or more thermally-conductive surfaces. One or more resistive heating elements are provided and are disposed in contact with or embedded in a proximal side of the one or more thermally-conductive surfaces. A fluid comprising one or more secondary components is provided. The fluid is passed across the one or more thermally conductive surfaces, the one or more secondary components freezing, crystallizing, desublimating, depositing, condensing, or combinations thereof, out of the fluid. The one or more resistive heating elements engage such that the one or more solid secondary components detach and pass out the solids outlet. The one or more resistive heating elements disengage, restarting production of the one or more solid secondary components.

The present invention relates to solvothermal vapor synthesis methods for the crystallization of a phase from a mixture of selected inorganic or organic precursors in an unsaturated vapor-phase reaction medium.

The present invention relates to solvothermal vapor synthesis methods for the crystallization of a phase from a mixture of selected inorganic or organic precursors in an unsaturated vapor-phase reaction medium.