81 results about "Carbon dioxide content" patented technology

Disclosed herein are systems and methods for monitoring at least one volatile breathing compound in respiratory gases of patients. A device includes a patient respiratory gas interface coupled via a connector to a gas sampling line. The line includes a first channel for conducting a predetermined flux of respiratory gases from the interface to an inlet of a sidestream gas monitor, which monitors carbon dioxide (CO2) content. A pump facilitates gas flow through the device and the monitor. An outlet of the monitor is coupled to a second channel for conveying gases away. A valve controls passage of respiratory gas from the monitor via the second channel by connecting or disconnecting the flux to / from at least one volatile breathing compound detector, which monitors compound content. A control unit monitors CO2 values and uses this as a signal to control the valve, enabling compound monitoring or bypass based on CO2 content.

The utility model relates to the field of sewage treatment, in particular to a composite three-phase separator module for preventing sludge calcification and an anaerobic reactor thereof, which comprise an outer separation module, an inner separation module, a water outlet module and a backflow module, according to the composite three-phase separator module provided by the utility model, a remarkable technical breakthrough is realized through structural innovation and process optimization. The traditional IC reactor is limited by the arrangement mode of a three-phase separator, and the effective sludge level height is less than 50% of the total height of the reactor, so that the upper volume is idle. The composite three-phase separator module is integrated at the top of the reactor, and the height of a sludge layer is increased to 70%-80% of the total height of the reactor through the double-layer separation design of the outer separation module and the inner separation module, so that the microbial biomass and the treatment load are greatly improved. Meanwhile, methane is released through forced collision of a V-shaped separation plate of the outer separation module, so that the content of carbon dioxide in reflux liquid is reduced by more than 80%, and calcium carbonate crystallization conditions are effectively destroyed by combining forced mixing of inlet water with a circulating pump.

The utility model discloses a polyethylene foaming material carbon dioxide leakage detection device which comprises a detection device and a gas tank, a gas inlet pipe is arranged on one side of the gas tank, a gas collection hopper is arranged on the upper end portion of the gas inlet pipe, a support is arranged in the gas collection hopper, a motor drives fan blades to rotate, and carbon dioxide leaked in the polyethylene foaming process is discharged out of the gas tank. Due to the connection effect among the air outlet pipe, the spiral blade and the air tank, the mixed air generates downward spiral accelerated movement under the guidance of the spiral blade, and water vapor is separated from the mixed air under the gravity and centrifugal effect; mixed air which falls to the inner bottom of the air tank at the outlet of the lower end of the spiral blade to be collected, is separated from water vapor and dried enters the air outlet pipe from the bottom end of the air outlet pipe and is conveyed into the detection device, so that the water vapor content in the air is prevented from influencing the detection result of the carbon dioxide content in the air, and the accuracy of the detection result is improved.

The invention discloses oil and gas well carbon dioxide online monitoring and metering equipment and an implementation method thereof, and relates to the technical field of oil field metering. The equipment comprises a gas-liquid separation unit, a liquid production capacity and moisture content analysis and detection unit, a carbon dioxide content detection unit, a gas flow unit, an automatic control unit, a data acquisition and transmission unit and an auxiliary unit, on-line metering and remote data transmission of parameters including liquid production capacity, gas production capacity, water content, carbon dioxide content, pressure and temperature of a wellhead of an oil well can be realized. The gas-liquid separation unit adopts a gravity separation method and is combined with a specific structural design to guarantee the separation effect; each parameter detection unit realizes accurate detection based on an ultrasonic technology, an infrared absorption principle, a thermal measurement principle and the like; data are uploaded to an upper computer through a DTU unvarnished transmission technology, and real-time monitoring and data analysis are supported. The system is adaptive to conventional drive and CCUS drive oil fields, the automation degree is high, the environmental adaptability is high, and data support is provided for accurate management of oil reservoirs.

The object of the present invention is to provide a biogas treatment facility and a biogas treatment method that enable the removal of carbon dioxide contained in biogas generated by methane fermentation in a simple and low-cost manner. [Solution] To solve the above problems, we provide a biogas treatment facility and a biogas treatment method that include a gas-liquid contact section for bringing biogas discharged from a methane fermentation facility into contact with an aqueous solution containing alkaline earth metal ions, wherein a carbonate precipitation reaction proceeds in the gas-liquid contact section. [Effect] According to this invention, for biogas generated by methane fermentation and having a relatively high carbon dioxide content, carbon dioxide can be removed (recovered and fixed) from the biogas by a carbonate precipitation reaction that proceeds without the supply of external energy. This makes it possible to remove carbon dioxide contained in biogas simply and at low cost.

The invention relates to a preparation process for producing water for injection based on a hollow fiber deoxidation membrane, and belongs to the technical field of preparation of water for injection medicines. According to the preparation process of the water for injection, dissolved oxygen in a water body can be stably removed, reproduction of microorganisms, bacteria and the like in the water can be effectively restrained by strictly controlling the content of oxygen and carbon dioxide in the water, meanwhile, due to removal of carbon dioxide in the water body, the conductivity of the water body is further reduced, the pH value of the finished water is stabilized to be 6.5-7.5, and the water quality is improved. The related industrial standards of the water for injection are met, and the content of microorganisms and endotoxin meets the strict requirements of the 2025 edition pharmacopoeia. Compared with a traditional distillation method, the membrane method integration process does not need to consume a large amount of industrial steam, energy consumption can be remarkably reduced, and the operation cost is reduced; by optimizing the position of the hollow fiber deoxidation membrane device, the water quality and the storage stability of the water for injection can be improved, and the production cost and the maintenance cost can be reduced.

This invention relates to the field of mining environmental protection equipment technology, and more particularly to a separable mining carbon neutralization device. The separable mining carbon neutralization device provided by this invention solves the technical problem of poor operational stability in existing mining carbon neutralization devices. The separable mining carbon neutralization device includes a pre-stage component for separating carbon dioxide from gas, a post-stage component for adsorbing the carbon dioxide separated by the pre-stage component, and a gas pump. By setting a separation membrane to separate carbon dioxide from the gas, the gas entering the post-stage component has a higher carbon dioxide content and lower impurity content, which facilitates rapid adsorption of carbon dioxide by the adsorbent, thereby improving the stability of the mining carbon neutralization device during operation and increasing the gas treatment efficiency.

The waste gas treatment method and system based on the metal seawater battery involve electrochemical energy technology and environmental protection technology. The waste gas treatment method of the present invention includes the following steps: (1) introducing the waste gas generated by the near-shore waste gas emission device into the reaction zone of the metal seawater battery; (2) the hydroxide ions generated by the positive electrode of the metal seawater battery react with the carbon dioxide in the waste gas to neutralize the hydroxide ions, and the resulting carbonate ions combine with metal ions to form carbonates to reduce the carbon dioxide content in the waste gas. At the same time, the metal seawater battery outputs electrical energy. The tail gas CO2 capture efficiency of the present invention is high, reaching more than 80%, and at the same time, CO2 resource utilization is realized.

The invention discloses a chamber interior air conditioning system which comprises a chamber, a first air inlet mechanism, a first air inlet pipeline, a carbon dioxide removing mechanism, a second air inlet pipeline, an exhaust pipeline, a first communicating valve and a second communicating valve. The carbon dioxide removal mechanism comprises a first carbon dioxide adsorption and desorption tower and a second carbon dioxide adsorption and desorption tower which are used for alternately adsorbing and desorbing carbon dioxide, and the chamber is communicated with a gas outlet pipeline and a gas return pipeline; the first communicating valve is used for selectively communicating the second gas inlet pipeline and the gas outlet pipeline with the first carbon dioxide adsorption and desorption tower and the second carbon dioxide adsorption and desorption tower in pairs; and the second communicating valve is used for selectively communicating the gas exhaust pipeline and the gas return pipeline with the first carbon dioxide adsorption and desorption tower and the second carbon dioxide adsorption and desorption tower in pairs. The air conditioning system in the chamber not only can meet the requirement for maintaining the qualified carbon dioxide content in the chamber, but also can meet the requirement for maintaining the qualified pressure in the chamber.

Disclosed herein are systems and methods for monitoring at least one volatile breathing compound in respiratory gases of patients. A device includes a patient respiratory gas interface coupled via a connector to a gas sampling line. The line includes a first channel for conducting a predetermined flux of respiratory gases from the interface to an inlet of a sidestream gas monitor, which monitors carbon dioxide (CO₂) content. A pump facilitates gas flow through the device and the monitor. An outlet of the monitor is coupled to a second channel for conveying gases away. A valve controls passage of respiratory gas from the monitor via the second channel by connecting or disconnecting the flux to / from at least one volatile breathing compound detector, which monitors compound content. A control unit monitors CO₂ values and uses this as a signal to control the valve, enabling compound monitoring or bypass based on CO₂ content.

The invention relates to the technical field of carbon dioxide concentration monitoring, and discloses a carbon dioxide concentration monitoring device for a blast furnace gas diffusion port, which comprises a combustor. When blast furnace gas enters the burner, one part of the blast furnace gas enters the guide assembly, and the part of the blast furnace gas enters the detection assembly through the guide assembly to detect the content of carbon dioxide in the blast furnace gas; the blast furnace gas entering the detection assemblies through the guide assemblies can be discharged from the top ends of the guide assemblies again, so that the detection assemblies can detect the carbon dioxide content of the diffused blast furnace gas in real time, and due to the fact that the detection assemblies and the guide assemblies are arranged, different positions of the blast furnace gas can be conveniently detected; therefore, the real-time carbon dioxide content can be obtained by taking the average value of the detection results, so that deviation of the detection results can be avoided, and the accuracy of carbon dioxide concentration detection is improved.

This utility model belongs to the field of nasal oxygen cannula technology, and in particular, is a high-flow nasal oxygen cannula with carbon dioxide. It includes a wing-shaped rotary connector and a carbon dioxide monitoring line. One end of the wing-shaped rotary connector is connected to a catheter connector, one end of the catheter connector is connected to a tube sleeve, one end of the tube sleeve is connected to a tube, one end of the tube is connected to a rotary connector, and one end of the rotary connector is connected to a nasal oxygen cannula support. A nasal oxygen cannula is snapped into one side of the nasal oxygen cannula support, and a Y-shaped cap is snapped into one end of the nasal oxygen cannula support. A Y-shaped valve is provided on one side of the Y-shaped cap. In use, the nasal oxygen cannula support, Y-shaped cap, Y-shaped valve, silicone valve pressure ring, Y-shaped connector, rotary lock, tube elbow, PVC pipe, Luer connector, and carbon dioxide monitoring line allow for easy connection to a carbon dioxide monitoring device to monitor the carbon dioxide content exhaled by the patient, thereby improving the monitoring effect.

Provided is a dielectric composition containing carbon dioxide and a halogenated olefin having 2 carbon atoms, the carbon dioxide content with respect to the total amount of the halogenated olefin having 2 carbon atoms and the carbon dioxide being 76.4 mass% or more, or a dielectric composition containing nitrogen and the halogenated olefin having 2 carbon atoms, the nitrogen content with respect to the total amount of the halogenated olefin having 2 carbon atoms and the nitrogen being 77.6 mass% or more, wherein the amount of oxygen with respect to the total amount of the dielectric composition is less than 1.0 vol%. Also provided are an electrical device and a supply method in which the dielectric composition is used, and a use of the dielectric composition.

The application discloses a system and method for extracting helium from lean-helium natural gas and producing multiple products. The system comprises a primary refrigeration device, a primary low-temperature separator, a pre-denitrogenation tower, a demethanizer, a secondary refrigeration device, a helium extraction tower and a denitrogenation tower. The system and method of the application separate nitrogen, methane, ethane and propane in order from low to high according to the boiling points of the components, separate nitrogen and methane by using the pre-denitrogenation tower, concentrate the helium concentration in the overhead gas by about 30 times, and control the carbon dioxide content in the overhead gas to be lower than 50 ppm; and separate nitrogen and helium by using low-temperature rectification. The system and method realize the economic and effective recovery of helium content of 200-3000 ppm in natural gas, and the recovery rates of ethane and helium can both reach more than 99 mol%. Meanwhile, LNG, liquefied petroleum gas and light hydrocarbons are produced as by-products, and the low-temperature nitrogen gas produced as a by-product can provide cold energy at a temperature of about -184 DEG C, thereby greatly improving the economic benefits.

Title of the invention: Method and apparatus for membrane separation of a mixture containing predominantly hydrogen and carbon dioxide. An apparatus for membrane separation of a mixture containing predominantly hydrogen and carbon dioxide and in addition at least one component chosen from the list carbon monoxide, methane or nitrogen comprises a first membrane (M1), a conduit for sending the mixture to separate in the first membrane allowing obtaining a first permeate (P1) enriched in hydrogen and carbon dioxide relative to the mixture and a first residue (R1) depleted in hydrogen and carbon dioxide relative to the mixture, a first blower (C1), a conduit for sending the first permeate to the first blower to be compressed, a second membrane (M2),a pipe to send the first residue into the second membrane, yielding a second permeate (P2) enriched in hydrogen and carbon dioxide compared to the first residue, and a second residue (R2) depleted in hydrogen and carbon dioxide compared to the first residue; a second blower (C2); a pipe to send the second permeate to the second blower; and at least one expansion turbine (T1, T2) connected to expand the second residue and drive the first and / or second blower. Single figure,

The utility model discloses carbon dioxide mineralization maintenance divides the steam switching device, including first maintenance kettle, second maintenance kettle, divides steam switching subassembly, power component and breather, first maintenance kettle and second maintenance kettle are linked together through breather, with power component drive divides steam switching subassembly operation, make carbon dioxide in the breather selective flow into first maintenance kettle or second maintenance kettle. The rotation of the connecting arm makes the rotating shaft follow the rotation, which in turn drives the rotation of the tee pipe, allowing the air hole direction on the surface of the tee pipe to face the breather pipe through which carbon dioxide is introduced, the inner wall of the shell and the maintenance kettle through which carbon dioxide is required. At this time, according to the required carbon dioxide content in each maintenance kettle, rotate the tee pipe, and connect the air hole with the breather pipe of the maintenance kettle with the required carbon dioxide content. It is not necessary to add carbon dioxide gas to the maintenance kettle one by one. The overall structure is simple, convenient to use, and improves the carbon dioxide mineralization maintenance efficiency.

The utility model discloses a carbon dioxide determination distillation system for a gas-containing orange juice beverage. The carbon dioxide determination distillation system comprises a distillation unit, a cooling absorption unit and a reaction tank, the distillation unit is communicated with the cooling absorption unit through a first guide pipe, the cooling absorption unit is communicated with the reaction tank through a second guide pipe, a sample injection pipe, a third conveying pipe and a fourth conveying pipe are mounted on the distillation unit, and metering pumps and liquid inlet control valves are mounted on the sample injection pipe, the third conveying pipe and the fourth conveying pipe; an exhaust device is mounted at the upper part of the reaction tank. The orange juice beverage solution is distilled after being subjected to alkali and acid treatment, and overflowing carbon dioxide is condensed by the cooling absorption unit and is subjected to double absorption by the reaction tank, so that the content of carbon dioxide in the gas-containing orange juice beverage can be conveniently measured.

To provide a method for producing a beer-flavored beverage with a deep and expansive flavor. [Solution] A method for producing a beer-taste beverage, comprising a mixing step of mixing a beer-taste concentrate with carbonated water at a temperature of 0°C or higher but lower than 3°C in an open container, wherein the carbon dioxide content of the carbonated water satisfies the following formula (1), and the amounts of the beer-taste concentrate, the carbonated water, and water used satisfy the following formulas (2) and (3): Formula (1): 2.0 GV≦carbon dioxide content of carbonated water<4.0 GV; Formula (2): 0.375≦volume of carbonated water / (volume of beer-taste concentrate+volume of carbonated water+volume of water); Formula (3): 1.0≦(volume of carbonated water+volume of water) / volume of beer-taste concentrate≦3.5.

There is provided an apparatus (120) for aquaculture, comprising at least one processor (610) and at least one memory (620) storing instructions that, when executed by the at least one processing core, cause the apparatus at least to receive, from a first sensor (110), information about an oxygen level in at least one tank (160), wherein the at least one tank is for aquaculture, receive, from at least one second sensor (112, 114), information about carbon dioxide and / or pH level in the at least one tank, determine, based on the information received from the first sensor and the at least one second sensor, how to adjust an oxygen and carbon dioxide levels in the at least one tank, control, based on said determination, aeration of the at least one tank such that at least the carbon dioxide level in the at least one tank is suitable for aquaculture and determine, after controlling said aeration, whether to perform oxygenation of the at least one tank, and in which extent, such that the oxygen and carbon dioxide levels in the at least one tank are suitable for aquaculture.

The utility model relates to the technical field of liquid packaging containers, in particular to a triggering device for inflating a beverage packaging container. Comprising an air bag support and an air bag installed on the air bag support, and the air bag support is of a barrel-shaped structure with a cover plate at the upper end and an open lower end; an opening clamping ring is arranged at the lower end of the air bag bracket and is used for being clamped at the neck part of the air tank; the air bag is a columnar air bag matched with an inner cavity of the air bag support, the upper end of the air bag is connected to the cover plate, and a trigger clamping plate is arranged at the lower end of the air bag. According to the device, automatic pressure maintaining and cooling can be achieved by releasing gas in the gas tank, so that the temperature and the carbon dioxide content of beer in the barrel are kept at a proper level, and the taste of the drunk beer is improved; the sealed air bag detects the pressure in the barrel body and controls the action of the air tank at the same time, the action is reliable and free of leakage, and lubricating oil pollution can be eradicated.

The utility model relates to the technical field of carbon emission monitoring, in particular to a carbon emission analysis device which comprises a detection pipe arranged at the end of a gas inlet pipe, and the detection pipe can monitor carbon emission in tail gas. According to the utility model, the mounting ring II is taken down from the magnetic suction ring, so that dust and impurities on the filter plate can be cleaned at regular time, and after cleaning, a permanent magnet sheet on the outer wall of the mounting ring II can magnetically attract the magnetic suction ring for quick mounting, so that two insertion columns can be inserted into a fixed seat to drive an adjusting screw rod to rotate; therefore, a sliding block and an inner inclined groove are driven to be inserted in a sliding mode, a first installation ring can abut against a fixed ring plate, meanwhile, a limiting ring is driven to extrude a second installation ring, and therefore the air inlet pipe and the detection pipe can be rapidly installed in a butt joint mode, and the sealing performance of the connecting position of the air inlet pipe and the detection pipe can be enhanced. And the filtering effect on the exhaust gas can be ensured by cleaning the filter plate at regular time, so that the accuracy of carbon dioxide content detection data of the exhaust gas is improved.

The present application relates to carbon dioxide detection technology field, specifically to a kind of petrochemical combustion carbon dioxide content detection equipment, including non-dispersive infrared gas analyzer, the non-dispersive infrared gas analyzer outside is shell, the non-dispersive infrared gas analyzer is provided with gas inlet, exhaust port, the gas inlet is inserted with sampling tube, one end of the sampling tube is sampling head, the inside of the sampling head is provided with the backflow prevention structure of gas, when potential backflow occurs, reverse airflow attempts to enter from the small mouth end of fairing, at this time, the flow resistance of intercepting groove is substantially increased, due to the existence of intercepting groove, reverse airflow needs to overcome greater resistance to pass through, and the gas of backflow bounces back after impacting the baffle at one end of fairing, realize the blocking when gas backflow, the design of conical fairing also shrinks the passage of backflow gas, further improve the resistance, therefore effectively inhibit the reverse flow of gas to prevent its backflow.

This invention discloses an indoor air conditioning system, comprising a chamber, a first air intake mechanism, a first air intake pipe, a carbon dioxide removal mechanism, a second air intake pipe, an exhaust pipe, a first connecting valve, and a second connecting valve. The first air intake mechanism is connected to the chamber via the first air intake pipe. The carbon dioxide removal mechanism includes a first carbon dioxide removal tower and a second carbon dioxide removal tower for alternating carbon dioxide removal. The chamber is connected to an exhaust pipe and a return pipe. The first connecting valve selectively connects the second air intake pipe and the exhaust pipe to each of the first and second carbon dioxide removal towers. The second connecting valve selectively connects the exhaust pipe and the return pipe to each of the first and second carbon dioxide removal towers. This indoor air conditioning system can meet both the requirements for maintaining a qualified carbon dioxide content and a qualified pressure within the chamber.

A veno-arterial extracorporeal membrane oxygenation system includes a dual lumen drainage cannula configured for withdrawing blood from a patient's vasculature in a manner that provides a perfusion of oxygenated blood with reduced carbon dioxide content while unloading the left ventricle, with two points of access to the patient's vasculature. The dual lumen drainage cannula has a first drainage tube and a second drainage tube co-axially aligned with the first drain-age tube. The first and second drainage tubes are fluidly coupled to a connector. A blood pump having a pump inlet is configured for fluidly connecting with the connector, while an oxygenator having an oxygenator inlet is configured for fluidly connecting with a pump outlet. An infusion cannula is configured for fluidly connecting with an oxygenator outlet for infusing oxygenated blood into a patient's bloodstream.

The invention provides a smoke exhaust flow guide cone for a thermal power plant chimney, and relates to the field of thermal power plant chimneys, the smoke exhaust flow guide cone comprises a conical flow guide cylinder, a mounting rod is arranged in the flow guide cylinder, a plurality of flow guide groups are arranged on the circumferential side of the mounting rod at equal intervals, a rotating assembly is arranged above the mounting rod, and a collecting assembly is arranged outside the flow guide cylinder. An adjusting assembly is arranged at the bottom end of the collecting assembly, and the flow guide assembly comprises a plurality of flow guide adsorption assemblies which are arranged on the circumferential side of the mounting rod at equal intervals. By means of the arranged flow guide adsorption assembly, flue gas exhausted by the chimney is heated through the flow guide adsorption assembly, after the flue gas is heated, water vapor is rapidly evaporated along with temperature rising, the white smoke plume phenomenon is prevented, meanwhile, carbon dioxide and part of harmful substances in the flue gas can be adsorbed, and the environment is protected. The content of water vapor and carbon dioxide in flue gas can be effectively reduced, the white smoke plume phenomenon is prevented, the carbon emission of a thermal power plant is reduced, and green and environment-friendly effects are achieved.

An intelligent preservation control system for a refrigerated transport warehouse, belonging to the field of refrigerated transport warehouses, includes a refrigeration unit, a humidification unit, a hydroxyl-based sterilization and disinfection unit, a respiration suppression unit, a data acquisition unit, a control unit, a storage unit, and a remote terminal. This invention constructs an IoT-based intelligent sensing and monitoring system covering the entire equipment process. Through IoT technology, it monitors the fruit and vegetable storage environment in real time, achieving real-time monitoring of the equipment and ensuring stable quality. This invention also develops an intelligent application system that intervenes and controls the release of ethylene within the product by controlling temperature, humidity, oxygen content, carbon dioxide content, and environmental microorganisms, inhibiting the effects of pectinase, cellulase, and polyphenol oxidase on the product, ensuring product quality, achieving the goal of long-term product preservation, and realizing precise environmental control during product transportation and storage.

A system for calculating cardiac output of a patient on an extracorporeal blood oxygenation circuit, such as veno-venous extracorporeal membrane oxygenation, includes determining (i) a first arterial carbon dioxide content or surrogate and (ii) a first carbon dioxide content or surrogate in the blood delivered to the patient after passing the oxygenator corresponding to the first removal rate of carbon dioxide from the blood; establishing a second removal rate of carbon dioxide from the blood in the oxygenator in the extracorporeal blood oxygenation circuit; determining (i) a second arterial carbon dioxide content or surrogate and (ii) a second carbon dioxide content or surrogate in the blood delivered to the patient after passing the oxygenator corresponding to the second removal rate of carbon dioxide from the blood; and calculating a cardiac output of the patient corresponding to a blood flow rate through the extracorporeal blood oxygenation circuit, the first arterial carbon dioxide content or surrogate, the first carbon dioxide content or surrogate in the blood delivered to the patient after passing the oxygenator corresponding to the first removal rate of carbon dioxide from the blood; the second arterial carbon dioxide content or surrogate and the second carbon dioxide content or surrogate in the blood delivered to the patient after passing the oxygenator corresponding to the second removal rate of carbon dioxide from the blood.

The application discloses a kind of antler mushroom culture room ventilation and air exchange purification device, it is related to gas purification technical field, including culture room ontology, the outside of culture room ontology is used to transport new air purification device after purification gas, the top of culture room ontology is used to be sent to the exhaust unit for indoor temperature and humidity gas to outside.This kind of antler mushroom culture room ventilation and air exchange purification device, in the process of ventilation in culture room ontology, the content of high-temperature gas in culture room ontology top is detected by the movement of light ballast, when light ballast touches pressure sensor, it is indirectly that the content of surface carbon dioxide is higher, start new air purification device and exhaust equipment, indoor high-temperature gas is discharged, and after the outside air is purified, it is transported to culture room ontology, and is gently released by multiple spray heads, accelerate indoor heat exchange while also ensure the uniformity of indoor temperature, and indoor high carbon dioxide gas can be output in time.

An effective system and method for reducing the amount of carbon dioxide contained in a gas stream. The carbon dioxide absorption and mineralization unit is configured to produce at least one of carbonate and bicarbonate and ammonium chloride from carbon dioxide, an ammoniated solvent, and at least one metal chloride in the gas stream. The mineral separation unit is configured to separate carbonates and bicarbonates from ammonium chloride. The solvent regeneration unit is configured to use a catalyst to produce chlorine and ammonium hydroxide from ammonium chloride, heat, and oxygen.

A kind of air conditioning control method of adjusting fresh air volume in combination with carbon dioxide content in vehicle, including carbon dioxide sensor, the carbon dioxide sensor is set at air conditioning unit return air inlet, the present application has the advantages and progress relative to prior art: more accurate adjustment air conditioning fresh air valve opening further adjustment vehicle indoor fresh air volume to improve the air quality in vehicle, ensure that vehicle indoor fresh air not only can satisfy vehicle load demand, simultaneously can make carbon dioxide concentration value in vehicle in standard range, reduce the reason caused by carbon dioxide concentration in vehicle is too high passenger comfort in vehicle reduces, complaint increases, in addition, when load signal or carbon dioxide monitoring signal has one failure, another signal monitoring data can be used to realize air conditioning fresh air volume control adjustment, provide redundant control scheme for fresh air control.