84 results about "CO2 - Carbon dioxide" patented technology

Disclosed herein are systems and methods of gas sequestration of carbon dioxide from a fossil-fueled hydrogen production plant. The method includes producing at least hydrogen and carbon dioxide above ground from a fossil-fueled hydrogen production plant, injecting at least a portion of the hydrogen and carbon dioxide produced from the fossil-fueled hydrogen production plant into a geological hydrogen storage unit and a geological carbon dioxide storage unit, respectively, wherein the portion of the carbon dioxide is injected concurrently with the portion of the hydrogen. The injection of the portion of carbon dioxide and hydrogen underground are performed through carbon dioxide injection well(s) and hydrogen injection well(s), respectively, wherein a hydrogen injection wellhead(s) and a carbon dioxide injection wellhead(s) are located on a multi-well pad proximate the fossil-fueled hydrogen production plant.

To suppress facility cost as much as possible without newly installing a large-sized dedicated facility so as to recover only carbon dioxide, and efficiently recover carbon dioxide.SOLUTION: A carbon dioxide recovery system 10 includes a supply line 11 for supplying air compressed by a compressor 12 to a pneumatic device 13. A carbon dioxide recovery device 15 for separating and recovering carbon dioxide contained in the air compressed by the compressor 12 from air is provided between the compressor 12 in the supply line 11 and the pneumatic device 13. Thus, the carbon dioxide recovery device 15 is provided between the compressor 12 in the supply line 11 which is an existing facility for supplying the air from the compressor 12 to the pneumatic device 13 and the pneumatic device 13. Therefore, the carbon dioxide is recovered by the carbon dioxide recovery device 15, using the air supplied to the pneumatic device 13 through the supply line 11.SELECTED DRAWING: Figure 1

The invention relates to the technical field of underwater vehicles, and discloses a built-in phase change drainage system and an underwater vehicle, the built-in phase change drainage system comprises a drainage device, a water ballast tank and a control unit, the drainage device comprises a first power unit and a pressure reduction unit, a first storage chamber for storing liquid carbon dioxide is arranged in the first power unit, and a pressure reduction chamber is arranged in the pressure reduction unit; the water ballast tank is provided with a containing cabin used for containing water, and the containing cabin is selectively communicated with the pressure reduction cavity. The control unit is in communication connection with the first power unit, the first power unit is suitable for converting liquid carbon dioxide into high-pressure supercritical carbon dioxide under the control of the control unit, and the carbon dioxide enters the containing cabin after being subjected to pressure reduction of the pressure reduction cavity so as to discharge water in the containing cabin. The drainage system is safe, efficient and high in drainage capacity.

The invention discloses a coal-fired unit peak regulation power generation system coupled with carbon dioxide energy storage and an operation method of the coal-fired unit peak regulation power generation system. The peak regulation power generation system of the coal-fired unit comprises the coal-fired unit, a carbon dioxide capturing device and a carbon dioxide energy storage device, wherein the coal-fired unit, the carbon dioxide capturing device and the carbon dioxide energy storage device are connected in sequence; the carbon dioxide capturing device captures carbon dioxide in flue gas discharged by the coal-fired unit by using electric power and steam generated by the coal-fired unit; the carbon dioxide energy storage device is used for performing compression energy storage on the carbon dioxide captured by the carbon dioxide capturing device by utilizing electric power generated by the coal-fired unit; the carbon dioxide energy storage device comprises a carbon dioxide compression device and a carbon dioxide expansion power generation device which operate independently. According to the invention, the peak regulation depth of the coal-fired unit can be effectively improved at the low power consumption ebb, and the consumption level of the power grid on off-peak electricity and new energy is enhanced; and the power generation peak capacity of the coal-fired unit can be effectively improved in the power utilization peak.

Provided are biogenic porous carbon silicon dioxide compositions, as well as related compositions, and methods of making and using such compositions. Exemplary biogenic porous carbon silicon dioxide compositions include a high-carbon biogenic reagent composition that contains at least about 50 wt % total carbon, at most about 5 wt % hydrogen, at most about 1 wt % nitrogen, at most about 0.5 wt % phosphorus, at most about 0.2 wt % sulfur, at most about 0.02 wt % titanium, at most about 0.5% calcium, at most about 0.1% aluminum, and silicon dioxide. The total carbon can be biogenic carbon, and the silicon dioxide can be contained within river rock or silica fume. Also provided are processes for producing such compositions, where the processes can include: preheating a renewable feedstock, pyrolyzing the renewable feedstock, separating certain pyrolysis products, cooling solid pyrolysis products, and introducing silicon dioxide at a certain point in process.

A method for regenerating a bis(iminoguanidine) (BIG) carbon dioxide sorbent, the method comprising: (i) providing a carbonate or bicarbonate salt of the BIG carbon dioxide sorbent, and (ii) directly contacting the carbonate or bicarbonate salt of the BIG carbon dioxide sorbent with steam heated to a temperature within a range of 80°C-130°C to result in regeneration of the BIG carbon dioxide sorbent with simultaneous conversion of the carbonate or bicarbonate anions into carbon dioxide, wherein the regenerated BIG carbon dioxide sorbent is substantially removed of carbonate or bicarbonate and may optionally contain one or more adduct water molecules. In some processes, the regenerated BIG carbon dioxide sorbent is dissolved in water condensing from the steam during the contacting step to form an aqueous solution of the regenerated BIG carbon dioxide sorbent.

The embodiment of the utility model provides an algal-bacterial symbiotic membrane aeration bio-membrane reactor, the algal-bacterial symbiotic membrane aeration bio-membrane reactor comprises a container, a membrane assembly, a carbon dioxide supply device, an oxygen supply device and a light source, the membrane assembly is arranged in the container, the membrane assembly comprises a first membrane wire group and a second membrane wire group which are arranged at an interval, the carbon dioxide supply device is connected with the air inlet of the first membrane filament group to provide carbon dioxide for the first membrane filament group, the carbon dioxide is connected with the air inlet of the second membrane filament group to provide oxygen for the second membrane filament group, and the light source irradiates the first membrane filament group. The bacteria-algae symbiotic membrane aeration bio-membrane reactor disclosed by the embodiment of the utility model has a relatively strong sewage treatment effect.

The invention relates to the technical field of carbon dioxide capture and carbon dioxide energy storage, and discloses a supercritical carbon dioxide energy storage system based on carbon dioxide capture and energy supplementation, which comprises a carbon dioxide capture system, an absorption tower, an energy supplementation system and an energy supplementation system, conveying the mixture into a desorption tower for desorption to regenerate alcohol amine liquid and carbon dioxide; the carbon dioxide energy storage system comprises an energy storage unit and a release unit, and is configured to convey the carbon dioxide in the desorption tower into the energy storage unit to complete the storage process in the energy storage process, and convey the carbon dioxide in the desorption tower into the release unit to complete the release process in the release process; and the release unit absorbs waste heat in the carbon dioxide capture system through the exchange piece. According to the invention, carbon dioxide is captured, sealed and reused, the device has the advantages of high reliability, high cycle efficiency and high energy utilization rate, and a way is provided for solving the greenhouse effect and energy shortage.

The invention discloses a carbon dioxide ore-smelting gasification integrated collaborative device. The device comprises a carbon dioxide gasification unit used for converting liquid carbon dioxide into gaseous carbon dioxide; the carbon dioxide mineralization reaction unit is used for performing mineralization reaction on gaseous carbon dioxide; the hot air circulation system is connected between the mineralization reaction unit and the gasification unit and is used for transferring heat released by the mineralization reaction unit to the gasification unit; the cold air circulating system is connected between the gasification unit and the mineralization reaction unit and is used for returning cold air generated in the gasification process to the mineralization reaction unit for heating; and the ambient air introduction system is used for introducing ambient air into the air heating channel of the mineralization reaction unit, and the ambient air is used for heat exchange of the gasification unit after being heated. Through the synergistic effect of heat released by the mineralization reaction unit and the gasification unit, internal energy self-circulation is formed, efficient gasification and mineralization of carbon dioxide are achieved, energy consumption is reduced, and carbon emission is reduced.

The invention discloses an intelligent explosion-proof box for a cable intermediate joint, and particularly relates to the technical field of explosion-proof boxes for cable joints, the intelligent explosion-proof box comprises an upper explosion-proof box body and a lower explosion-proof box body, the upper end of the upper explosion-proof box body is fixedly provided with a containing box, and the containing box is filled with sodium bicarbonate particles; a containing box is arranged in the upper anti-explosion box body, a plurality of heat conduction rods are arranged in the containing box in a sliding mode, one end of each heat conduction rod penetrates through the upper anti-explosion box body and is fixedly connected with a heat collection piston arranged on the inner side of the upper anti-explosion box body, an anti-explosion barrel is fixedly arranged on the inner side wall of the upper anti-explosion box body, and an air bag is arranged in the anti-explosion barrel. When explosion is generated in the explosion-proof box body, sodium bicarbonate particles in the containing box can be heated and decomposed, the sodium bicarbonate particles absorb heat when being heated and decomposed, the explosion-proof box body can be cooled, carbon dioxide can be generated through decomposition, and the carbon dioxide can be sprayed into the explosion-proof box body through an air distribution plate; the oxygen content in the explosion-proof box body can be reduced, and the probability of combustion is reduced.

Disclosed herein are systems and methods of gas sequestration of carbon dioxide from a fossil-fueled hydrogen production plant. The method includes producing at least hydrogen and carbon dioxide above ground from a fossil-fueled hydrogen production plant, injecting at least a portion of the hydrogen and carbon dioxide produced from the fossil-fueled hydrogen production plant into a geological hydrogen storage unit and a geological carbon dioxide storage unit, respectively, wherein the portion of the carbon dioxide is injected concurrently with the portion of the hydrogen. The injection of the portion of carbon dioxide and hydrogen underground are performed through carbon dioxide injection well(s) and hydrogen injection well(s), respectively, wherein a hydrogen injection wellhead(s) and a carbon dioxide injection wellhead(s) are located on a multi-well pad proximate the fossil-fueled hydrogen production plant.

The invention belongs to the technical field of mosquito medium prevention and control, and provides an intelligent mosquito trapping device based on skin bionics and carbon dioxide synergistic induction and a mosquito trapping control method.The main scheme is that a master control single-chip microcomputer drives a mosquito suction fan to build basic negative pressure and controls a heating element to maintain the simulated body temperature of a sweat box so as to accelerate volatilization of bionic sweat; intermittently opening according to the human body resting frequency to release carbon dioxide in a pulse manner; carbon dioxide and sweat are mixed through the fluid director and spread all around to form a bionic induction field, and when mosquitoes are attracted to the position near the shell, the mosquitoes are sucked by the negative pressure fan to an anti-escape gauze in the mosquito storage drawer. After the visual identification module monitors that aedes appear in the induction area and accurate confirmation is carried out through a deep learning algorithm, a feedback signal is sent to the single-chip microcomputer to trigger intelligent closed-loop control; the single-chip microcomputer dynamically adjusts the carbon dioxide pulse frequency and temperature control parameters according to the number of the mosquitoes to enhance the induction intensity, so that the mosquitoes are dehydrated and air-dried under the action of continuous airflow, and recognition and counting results are uploaded to the cloud platform.

The invention provides a carbon dioxide energy storage system combined with a magnesium oxide and ammonium chloride co-production system and a control method thereof, and belongs to the technical field of energy storage. The carbon dioxide energy storage system comprises a compression energy storage module, a liquid storage container, an expansion power generation module and a gas storage which are sequentially connected in a closed loop mode, and further comprises a waste heat utilization module. The waste heat utilization module is configured to be capable of absorbing waste heat in flue gas generated by the magnesium oxide production subsystem and waste heat of carbon dioxide separated by the flue gas treatment subsystem, and is configured to be capable of supplying heat to the expansion power generation module in an energy release stage; the gas storage is configured to be capable of temporarily storing gaseous carbon dioxide separated from the flue gas generated by the flue gas treatment subsystem from the magnesium oxide production subsystem; the carbon dioxide energy storage system is configured to be capable of compressing and condensing gaseous carbon dioxide in the gas storage in the energy storage stage, and liquid carbon dioxide is stored in the liquid storage container. The carbon dioxide energy storage system can improve the waste heat utilization rate and reduce the overall cost.

To provide a carbon dioxide applying apparatus constituted to apply carbon dioxide into an agricultural greenhouse in which a combustion state in a combustion part can be maintained in a good condition while reducing environmental load.SOLUTION: A carbon dioxide applying apparatus comprises a combustion part, piping, an air introducing part, a blower, and a discharge valve. The combustion part is constituted so as to introduce air for combustion, burn woody fuel, and generate combustion exhaust gas. The air introducing part is constituted so as to introduce air for diluting combustion exhaust gas. The blower is constituted so as to send out combustion exhaust gas to an agricultural greenhouse. The discharge valve is constituted to be capable of changing a flow channel of combustion exhaust gas between the air introducing part side and the agricultural greenhouse side.SELECTED DRAWING: Figure 1

An apparatus and process for capturing carbon dioxide from exhaust output from at least one ship engine on the ship for storage of the carbon dioxide on the ship. The storage of the carbon dioxide on the ship can facilitate delivery of the captured carbon dioxide to a fuel production system at a port of destination or other port that the ship may arrive at to provide the captured carbon dioxide to the fuel production system. The fuel production system may then use the carbon dioxide to form a fuel (e.g. methane, methanol, etc.). The fuel that is produced can be provided to other ships at the port. The carbon capture system can utilize membranes, adsorption, and / or absorption for capturing the carbon dioxide. The carbon dioxide can be stored on the ship in at least one storage vessel of the ship.

The invention discloses an aquarium water-gas interface carbon dioxide gas monitoring linkage control device and method, and belongs to the technical field of aquarium related equipment. The aquarium water-gas interface carbon dioxide gas monitoring linkage control device comprises a container body with an opening in the lower portion, and the opening of the container body is immersed into a water body of an aquarium water-gas interface; the gas enrichment cavity collects carbon dioxide which is dissolved in a water body and escapes from a water-gas interface in the area, the carbon dioxide passes through the vent hole and is detected by the sensing detection unit through the waterproof breathable film to generate carbon dioxide concentration data, and the control unit calculates the carbon dioxide partial pressure slope and the carbon dioxide escape flux according to the carbon dioxide concentration data; the carbon dioxide output of the carbon dioxide supply assembly is controlled based on the carbon dioxide escape flux. The system can monitor carbon dioxide dissolution in a water body in real time, timely reflect the carbon dioxide concentration change dynamic state of the water body, automatically control the supply amount of carbon dioxide, ensure the stability of photosynthesis of green plants in the aquarium, and realize dynamic balance of the carbon dioxide dissolution amount of the water body.

The application provides a kind of based on multi-field coupling's bionic mineralization reinforced soil method, belongs to geotechnical engineering technical field.The bionic mineralization reinforced soil method includes: first, the soil quality of target area is detected, obtains soil structure type, calculates soil structure correction coefficient, gas correction coefficient and calcium ion correction coefficient;Then, vacuum preloading system and ultrasonic excitation system are arranged in target area at intervals, based on soil structure type and soil structure correction coefficient, the working parameters of vacuum preloading system and ultrasonic excitation system are set, vacuum preloading system and ultrasonic excitation system are opened in turn, and reinforcing solution containing calcium source and bionic crystal form control agent is injected into target area;Finally, stop injecting reinforcing solution, ammonia and carbon dioxide are injected in turn, carbon dioxide is converted into carbonate ion under ammonia atmosphere and bionic mineralization reaction occurs with reinforcing solution, so as to reinforce target area.

A method for regenerating a bis(iminoguanidine) (BIG) carbon dioxide sorbent, the method comprising: (i) providing a carbonate or bicarbonate salt of the BIG carbon dioxide sorbent, and (ii) directly contacting the carbonate or bicarbonate salt of the BIG carbon dioxide sorbent with steam heated to a temperature within a range of 80° C.-130° C. to result in regeneration of the BIG carbon dioxide sorbent with simultaneous conversion of the carbonate or bicarbonate anions into carbon dioxide, wherein the regenerated BIG carbon dioxide sorbent is substantially removed of carbonate or bicarbonate and may optionally contain one or more adduct water molecules. In some processes, the regenerated BIG carbon dioxide sorbent is dissolved in water condensing from the steam during the contacting step to form an aqueous solution of the regenerated BIG carbon dioxide sorbent.

The utility model relates to the technical field of smoke and poison gas absorption vehicles, in particular to a movable smoke and poison gas absorption vehicle, which is characterized in that sulfur dioxide in waste gas is in contact with a hot copper oxide rod and then chemically reacts to generate copper sulfate, so that the sulfur dioxide in the waste gas can be removed; carbon monoxide in the waste gas is in contact with the hot copper oxide rod and then is subjected to chemical reaction, the carbon monoxide is converted into carbon dioxide, the carbon dioxide enters a calcium hydroxide aqueous solution and then is subjected to chemical reaction with calcium hydroxide in the calcium hydroxide aqueous solution, calcium carbonate is generated, and harmful substances such as carbon monoxide, sulfur dioxide and smoke dust in contaminated air are all removed; clean air is discharged from the air outlet and can be directly discharged into the atmosphere, when the place of the absorption vehicle needs to be replaced, the compartment is directly pushed, the universal wheels at the bottom of the compartment can bring the compartment to the wanted place, and the absorption vehicle is small in appearance, small in occupied area, easy to operate and capable of purifying various harmful substances at the same time.

An apparatus and process for capturing carbon dioxide from exhaust output from at least one ship engine on the ship for storage of the carbon dioxide on the ship. The storage of the carbon dioxide on the ship can facilitate delivery of the captured carbon dioxide to a fuel production system at a port of destination or other port that the ship may arrive at to provide the captured carbon dioxide to the fuel production system. The fuel production system may then use the carbon dioxide to form a fuel (e.g. methane, methanol, etc.). The fuel that is produced can be provided to other ships at the port. The carbon capture system can utilize membranes, adsorption, and / or absorption for capturing the carbon dioxide. The carbon dioxide can be stored on the ship in at least one storage vessel of the ship.

To provide a dry ice snow cleaning device that can prevent dew condensation and freezing from occurring due to a decrease in temperature of an injection nozzle, can inject a mixed gas containing dry ice snow at a wide angle and a high speed, and has excellent cleaning efficiency.SOLUTION: A dry ice snow cleaning device includes: a liquefied carbon dioxide gas supply path that supplies a liquefied carbon dioxide gas G1 while adjusting the pressure and temperature of the gas; an assist gas supply path that supplies an inert gas or compressed air as an assist gas G3; a jet nozzle 2 which is located at an outlet side of the liquefied carbon dioxide gas supply path, jets a mixed gas G4 obtained by combining dry ice snow G2 generated from the liquefied carbon dioxide gas G1 and the assist gas G3 from a jet port 43a to the object to be cleaned. The jet nozzle 2 includes a slit flow passage 25 having a multi-pipe structure with double or more pipes and communicating with an injection port 43a to restrict the injection direction of the mixed gas G4, and jets the mixed gas G4 from the slit flow passage 25 in a flat plate shape.SELECTED DRAWING: Figure 2

The plant (1; 301; 401) comprises a heat exchanger (37; 337; 437) adapted to receive compressed flue gas containing carbon dioxide, and condense at least part of the carbon dioxide contained therein. A a carbon dioxide removal unit (39;39; 439) of the plant is adapted to remove liquefied carbon dioxide from the flue gas exiting the heat exchanger (37;337; 437). A carbon dioxide outlet duct (61; 391; 479) extends through the heat exchanger (37; 337; 437). The plant further includes a distillation section (6; 306; 406). The distillation section includes a distillation column (201; 360, 501), a reboiler (203; 363; 505) at the bottom of the distillation column (201; 360; 501) and an overhead condenser (205; 361; 503) at the top of the distillation column (201; 360; 501). Also disclosed herein is a method for removing carbon dioxide form a flue gas.

The utility model discloses a device for detecting inorganic carbon in soil, which relates to the technical field of soil detection, and comprises a reactor and a non-dispersive infrared detector, one end of the top of the reactor is connected with a gas inlet pipe, the end part of the gas inlet pipe is connected with a nitrogen cylinder, and one end of the middle part of the gas inlet pipe is provided with a pressure stabilizing valve; a flow stabilizing valve is arranged at the other end of the middle of the air inlet pipe. According to the device for detecting the inorganic carbon in the soil, through the arrangement of the nitrogen cylinder, after a sample is put into the reactor and is sealed, high-purity nitrogen is purged to remove original carbon dioxide in the reactor, and then diluted hydrochloric acid in the liquid storage tank is injected into the reactor by the hydrochloric acid pump, so that carbonate in the sample in the reactor and hydrochloric acid are subjected to oxidation reaction; wherein the carbon element is completely decomposed and oxidized into carbon dioxide, the carbon dioxide is condensed and dehydrated by an electronic condenser, then is dried by a Nafion drying tube, and then is detected by a non-dispersive infrared detector.

Described herein are methods and systems for generating CO2 clathrate hydrates, for compaction of CO2 hydrates into a plug, and sealing the plug into a container to prevent dissociation of the plug. The disclosed methods and systems advantageously allow for the rapid formation of CO2 clathrate hydrates in water and sealing the CO2 clathrate hydrate in a container for long term storage on the seabed. CO2 clathrate hydrates can be useful for CO2 sequestration and securely storing the CO2 clathrate hydrate as a solid.

A power system includes a gas turbine engine including, in serial flow relationship defining a flow passage, a compressor section, a combustion section, a turbine section, and an exhaust section, the gas turbine engine generating exhaust gas that includes a baseline amount of carbon dioxide by volume within the exhaust gas. A carbon capture unit is arranged downstream of the gas turbine engine and processes the exhaust gas output by the gas turbine engine to capture the carbon dioxide contained in the output exhaust gas. A carbon dioxide reinjection system is arranged to reinject at least a portion the carbon dioxide captured from the output exhaust gas by the carbon capture unit into the flow passage of the gas turbine engine.

To provide a carbon dioxide recovery system capable of heating an absorber uniformly and maintaining a temperature of the absorber within a predetermined temperature range.SOLUTION: A carbon dioxide recovery system 1 heats an absorber 102a that has absorbed carbon dioxide and desorbs and recovers the carbon dioxide from the absorber 102a. The carbon dioxide recovery system 1 includes: a module accommodation body 10 that accommodates a carbon dioxide collection module 101 including the absorber 102a; a light collection section 20 that collects sunlight to heat the module accommodation body 10; a recovery section 30 that recovers the carbon dioxide desorbed from the absorber 102a; and a sunlight regulation section 50 that can change at least one of the light collection section 20 and the module accommodation body 10 into a shielding state for shielding emitted sunlight and a transmission state for transmitting the sunlight.SELECTED DRAWING: Figure 2

The utility model relates to the technical field of underground coal gasification, and provides an active cooling device for underground coal gasification, which comprises a carbon dioxide capturing device, a cooling device and a cooling device, the carbon dioxide cooling and storing device is connected with the carbon dioxide capturing device, and the carbon dioxide cooling device is used for cooling and storing the captured carbon dioxide; the gasification cavity sealing device is used for sealing the gasification cavity after gasification is finished; and the carbon dioxide pressurizing and injecting device is connected with the carbon dioxide cooling and storing device, and the carbon dioxide pressurizing and injecting device pressurizes and injects the cooled and stored carbon dioxide into a gas injection well. A carbon dioxide gas injection active cooling mode is adopted, so that the inner wall of a combustion space area cannot generate cracks due to drastic temperature change; moreover, carbon dioxide in the gasification process is used as a coolant, so that the collaborative operation of gasification and carbon sealing can be realized, and the target of zero emission is achieved.

The invention provides a method for synthesizing 2, 5-furandicarboxylic acid through furoic acid and bicarbonate, and relates to the technical field of chemical synthesizing.The method for synthesizing 2, 5-furandicarboxylic acid through furoic acid and bicarbonate comprises the following steps that raw materials including furoic acid, basic metal salt and bicarbonate are taken and placed in water to react, drying and smashing are conducted after the reaction is completed, and the furoic acid is obtained; the bicarbonate comprises cesium bicarbonate, and the furoic acid solid mixture is obtained; taking the furoic acid solid mixture, placing the furoic acid solid mixture under the pressure of 0.8-2MPa, heating to 240-320 DEG C, and reacting for more than 15 hours to obtain 2, 5-furandicarboxylate; and dissolving the 2, 5-furandicarboxylic acid salt in water, and acidifying with hydrochloric acid to obtain the 2, 5-furandicarboxylic acid. The bicarbonate is heated and decomposed to generate carbon dioxide, the carbon dioxide produces a large number of pores in the furoic acid solid mixture, the gas-solid interface surface area is greatly increased, the gas-solid interface reaction is accelerated, the gas-liquid reaction efficiency is improved, and the energy consumption is reduced.

A system for storing and supplying liquid carbon dioxide as a refrigerant comprises a carbon dioxide tank system with at least one storage tank in which liquid carbon dioxide can be stored at a temperature in a first temperature range and at a pressure in a first pressure range, and which has at least one inlet connection for supplying liquid carbon dioxide, e.g., from a tank truck, and at least one outlet connection; at least one pressure boosting station, which is connected at at least one inlet connection via a pipeline to the outlet connection of the storage tank and is designed to provide liquid carbon dioxide at an outlet connection of the pressure boosting station at a pressure increased compared to the first pressure range in a second pressure range;A temperature control arrangement comprising at least one carbon dioxide buffer storage tank connected directly or indirectly via at least one pipeline to the outlet port of the pressure boosting station, designed to hold liquid carbon dioxide in the carbon dioxide buffer storage tank at a temperature higher than the first temperature range in a second temperature range and at a pressure in a third pressure range; and at least one carbon dioxide recooler connected via at least one pipeline to an outlet port of the carbon dioxide buffer storage tank, designed to supply liquid carbon dioxide to at least one consumer via an outlet port at a temperature in a setpoint temperature range and at a pressure in a setpoint temperature range.

Cooling system using underground cooling energy, characterized in that it comprises the following: a cabinet, wherein the cabinet is provided with a housing, wherein the housing is provided with a module to be cooled and a coolant for immersion cooling of the module to be cooled; an underground cave facility used to provide natural underground cooling energy; A circulating cooling system comprising a first heat exchanger, a carbon dioxide storage tank, a circulation pump, and a second heat exchanger, wherein the first heat exchanger is located within the underground cave facility and is used to absorb the natural cooling energy within the underground cave facility, while the second heat exchanger is located within the enclosure and is used to absorb the thermal energy of the cooling fluid, wherein the carbon dioxide storage tank is used to store liquid carbon dioxide, wherein an outlet end of the carbon dioxide storage tank is connected via a first pipe to a first end of the second heat exchanger, and wherein a second end of the second heat exchanger is connected via a second pipe to a first end of the first heat exchanger.wherein a second end of the first heat exchanger is connected via a third pipe to a return line of the carbon dioxide storage tank and forms a circulation line, wherein at least one of the first pipe, the second pipe and the third pipe is equipped with a circulation pump to drive the flow of liquid carbon dioxide within the circulation line.