Manufacturing method for carbonated beverages

Abstract

To reduce an emission amount of CO2 being a representatives of greenhouse effect gas to contribute to environmental protection by recovering CO2 and effectively utilizing it for producing beverage containing carbonic acid.SOLUTION: A method for producing beverage containing carbonic acid includes: a process of recovering CO2 from exhaust gas containing CO2 by a CO2 recovery device; a process of supplying recovered CO2 to a beverage containing carbonic acid production system; a process of supplying CO2 to a CO2 dissolution device in the beverage containing carbonic acid production system; a process of supplying liquid to the CO2 dissolution device; a process of dissolving CO2 into the liquid in the CO2 dissolution device; a process of filling the liquid in which the CO2 is dissolved into containers; and a process of sealing the containers.SELECTED DRAWING: Figure 2

Description

Technical Field

[0001] The present invention relates to a method for producing a carbonated beverage using recovered CO2.

Background Art

[0002] Conventionally, for example, in Patent Document 1, “a method for removing and recovering CO2 in combustion exhaust gas by bringing the combustion exhaust gas of a power generation facility such as a thermal power plant that uses a large amount of fossil fuel into contact with an amine-based CO2 absorbent, and a method for storing the recovered CO2 without releasing it into the atmosphere” is described as the prior art.

[0003] Also, as a method for effectively using carbon dioxide in conventional exhaust gas, it is described that it can be used for the production of carbon dioxide for carbonated beverages or dry ice.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] A carbon dioxide recovery device as disclosed in Patent Document 1 is installed, for example, in conventional industrial facilities such as an oil refinery that burns coal or fuel oil and a power plant, and recovers CO2 contained in the exhaust gas of these industrial facilities.

[0006] When burning a fuel containing sulfur, the exhaust gas will contain SOx (sulfur oxides). SOx is a general term for sulfur oxides such as sulfurous acid gas and sulfuric anhydride, and the emission amount of SOx tends to be proportional to the sulfur content concentration in the fuel. Therefore, exhaust gases from burning fuels with a sulfur content exceeding 2% by weight, such as conventional fuel oils, contain a large amount of SOx derived from the fuel. When the CO2 recovered from these exhaust gases is used, for example, as carbon dioxide for carbonated beverages, it is necessary to minimize the contamination of these SOx (sulfur oxides) as impurities. For this reason, conventional carbon dioxide recovery systems required high-load post-treatment to remove these impurities.

[0007] On the other hand, in industrial facilities, there is a growing trend towards using low-sulfur fuels with a sulfur content of 2% by weight or less, such as fuel oils conforming to a sulfur content of 0.5% by weight or less (low-sulfur residue oil (LSC heavy oil), low-sulfur distillate oil (LSA heavy oil), ultra-low-sulfur crude oil (sulfur content of 0.1% by weight or less)), and also natural gas and liquefied natural gas (LNG) that contain little to no sulfur.

[0008] Furthermore, efforts are being made to use so-called city gas as fuel, and it is being used as fuel for boilers. For example, city gas is used as fuel in boilers installed in factories to supply hot water to beverage manufacturing systems. 13A, a standard of city gas, is a fuel derived from or primarily composed of natural gas and / or liquefied natural gas (LNG), and is mostly supplied to the point of use via pipelines.

[0009] While methods exist for recovering and utilizing CO2 from exhaust emissions generated by burning fuels with a sulfur content exceeding 2% by weight, as in conventional technologies, methods for recovering and utilizing CO2 from exhaust emissions generated by burning fuels with a sulfur content of 2% by weight or less, or fuels derived from and / or primarily composed of liquefied natural gas, have not been considered.

[0010] Therefore, this invention focuses on the composition of exhaust gases from the combustion of fuels with a sulfur content of 2% by weight or less, fuels derived from and / or primarily composed of natural gas or liquefied natural gas, and city gas, and discloses a novel technology for the effective utilization of CO2 recovered from such exhaust gases. The objective is to reduce CO2 emissions and contribute to environmental protection by recovering CO2, a representative greenhouse gas, and effectively utilizing it in the production of carbonated beverages.

[0011] Furthermore, addressing another issue of the present invention, this invention discloses novel technologies for the effective utilization of biogas produced by anaerobic treatment of wastewater and biogas generated by the fermentation of organic matter by microorganisms.

[0012] Furthermore, another problem with the present invention arises in the carbonation (carbon dioxide gas injection) process when manufacturing carbonated beverages. Carbon dioxide gas is injected under pressure into a liquid (mixture) to produce a carbonated beverage. This operation is generally called carbonation. Carbonation is generally performed by bringing carbon dioxide gas into contact with the liquid and injecting it under pressure using a device called a carbonator. At a constant temperature, absorption is better the higher the carbon dioxide pressure inside the carbonator. Generally, carbonation pressure is around 0.09 to 0.4 MPa, but in order to maintain a constant gas volume in the product, the carbon dioxide pressure inside the carbonator must be kept constant. Furthermore, if high-quality carbon dioxide with a purity of 99.9% (by volume) or higher, preferably 99.95% (by volume) or higher, is not used, and oxygen and nitrogen are present in the carbon dioxide in amounts exceeding these purities, these oxygen and other impurities will remain in the carbonator without being absorbed by the liquid if operation continues. If the amount of these impurities increases, the true carbon dioxide pressure will deviate from the indicated value. Residual oxygen and other impurities can also cause foaming in the filling machine (e.g., filler) and foaming when the consumer opens the product. In addition, oxygen in the headspace of the packaged product can cause oxidation in the beverage, so it is preferable to have less of these. To avoid these problems, it is preferable that the purity of the carbon dioxide introduced into the carbonator be 99.9% (by volume) or higher, preferably 99.95% (by volume) or higher. In particular, to prevent foaming (blowing) when the filling machine and / or consumer opens the product, a purity of 99.95% (by volume) or higher is preferable for the carbon dioxide.

[0013] Furthermore, addressing another issue of the present invention, this invention discloses a novel technology for producing CO2 for food and beverage manufacturing from recovered CO2. [Means for solving the problem]

[0014] The problems that this invention aims to solve are as described above, and the means for solving these problems will now be explained.

[0015] According to one aspect of the present invention, A process of recovering CO2 from exhaust containing CO2 using a CO2 recovery device, The process involves supplying the recovered CO2 to a carbonated beverage manufacturing system, The carbonated beverage manufacturing system includes a step of supplying CO2 to a CO2 dissolving device, The process of supplying liquid to the CO2 dissolution device, The process involves dissolving CO2 in the liquid using the CO2 dissolving apparatus, A step of filling a container with the liquid in which the CO2 is dissolved, A method for producing a carbonated beverage, characterized by comprising the step of sealing the aforementioned container.

[0016] According to one aspect of the present invention, recovered CO2 is used in the production of carbonated beverages at a predetermined CO2 concentration.

[0017] According to one aspect of the present invention, the CO2 concentration is 99.5% or more and less than 100%.

[0018] According to one aspect of the present invention, the CO2 concentration is 99.9% or more and less than 100%.

[0019] According to one aspect of the present invention, the CO2 concentration is 99.95% or more and less than 100%.

[0020] According to one aspect of the present invention, the CO2 recovered by the CO2 recovery device is supplied from the CO2 recovery device to a carbonated beverage production system and used in the carbonated beverage production process.

[0021] According to one aspect of the present invention, the CO2 recovered by the CO2 recovery device is recovered and stored in the CO2 recovery device, and the stored CO2 is used in the carbonated beverage production system, whereby the recovered CO2 is used in the carbonated beverage production process.

[0022] According to one aspect of the present invention, the exhaust gas is the exhaust gas generated when fuel is burned.

[0023] According to one aspect of the present invention, the exhaust gas is the exhaust gas generated when fuel is burned and heated by a heating device.

[0024] According to one aspect of the present invention, the fuel is a gas mainly composed of natural gas.

[0025] According to one aspect of the present invention, the fuel is city gas.

[0026] According to one aspect of the present invention, the city gas is a gas mainly composed of natural gas.

[0027] According to one aspect of the present invention, the exhaust gas containing CO2 is biogas generated by anaerobic treatment of wastewater.

[0028] According to one aspect of the present invention, the exhaust gas containing CO2 is generated by equipment for generating electricity, heat, or steam.

[0029] According to one aspect of the present invention, the exhaust gas containing CO2 is a gas generated by fermentation of organic substances by microorganisms.

[0030] According to one aspect of the present invention, the sulfur content in the fuel is 2% by weight or less.

[0031] According to one aspect of the present invention, the nitrogen oxides in the exhaust gas containing CO2 are 950 vol ppm or less.

[0032] According to one aspect of the present invention, the CO2 dissolution apparatus is a carbonator.

[0033] According to one aspect of the present invention, the CO2 recovery apparatus is an apparatus that includes the step of absorbing CO2 into an absorbent and then heating the absorbent that has absorbed the CO2.

[0034] According to one aspect of the present invention, the CO2 recovery apparatus includes a step that allows CO2 to be recovered as one or more of the following: gas, liquid, or solid.

[0035] According to one aspect of the present invention, the gas volume of the carbonated beverage is 0.7 or more and 11 or less.

[0036] According to one aspect of the present invention, a method for preventing foaming in a filling machine and / or foaming when the consumer opens the beverage is provided using a method for producing a carbonated beverage. [Effects of the Invention]

[0037] The present invention provides the following effects: In other words, according to the present invention, by recovering and effectively utilizing CO2, it is possible to reduce CO2 emissions and contribute to environmental protection. Furthermore, by using the recovered CO2 in carbonated beverages at a predetermined concentration, foaming can be suppressed. In addition, the recovered CO2 can be widely utilized by using it in-line or by temporarily storing it in cylinders, etc. Furthermore, by recovering CO2 from exhaust gases, CO2 emissions can be reduced. Moreover, by using fuels with zero or low sulfur content, i.e., gas mainly composed of natural gas (city gas), biogas produced by anaerobic treatment of wastewater, or gas produced by the fermentation of organic matter by microorganisms, the possibility of impurities being present in the recovered CO2 is extremely low. Therefore, even if post-treatment to remove impurities is omitted in the CO2 recovery device, it is possible to purify high-purity CO2 with zero or extremely low impurities. Furthermore, by keeping the nitrogen oxide concentration in the exhaust gas below a predetermined level, it is possible to purify high-purity CO2 with zero or extremely low impurities even if post-treatment to remove impurities is omitted in the CO2 recovery device. Furthermore, even if post-processing is required, purification can be carried out using a post-processing device with a low-load specification. [Brief explanation of the drawing]

[0038] [Figure 1] This is a diagram illustrating one example of industrial equipment. [Figure 2] This is a diagram illustrating an example of a beverage manufacturing system. [Figure 3] This figure illustrates an example of utilizing wastewater biogas produced by anaerobic treatment. [Figure 4] This diagram illustrates an example of utilizing biogas produced by the fermentation of organic matter by microorganisms. [Modes for carrying out the invention]

[0039] Embodiments of the present invention will be described below with reference to the drawings. As shown in Figure 1, industrial facility 1 is a manufacturing plant equipped with a food and beverage manufacturing system for producing food and beverages, for example, a carbonated beverage manufacturing plant. The carbonated beverage manufacturing system in the manufacturing plant is equipped with a boiler 10 for burning fuel to generate hot water.

[0040] The boiler 10 is supplied with fuel A, specifically city gas. In addition, gas B, which is necessary for combustion along with the city gas, such as air, is supplied. The sulfur content in fuel A is 2% by weight or less, preferably 1.5% by weight or less, 1% by weight or less, 0.7% by weight or less, 0.5% by weight or less, 0.4% by weight or less, 0.3% by weight or less, 0.2% by weight or less, and more preferably 0.1% by weight or less. In particular, ultra-low sulfur crude oil (sulfur content of 0.1% by weight or less) is preferred. Furthermore, the city gas is preferably natural gas or city gas derived from and / or mainly composed of liquefied natural gas.

[0041] The exhaust gas F generated by combustion in the boiler 10 is supplied to the CO2 recovery device 20 (carbon dioxide recovery device), where the CO2 in the exhaust gas F is separated and purified.

[0042] The separated CO2 is, for example, filled into a CO2 tank and discharged from the discharge device 30. The discharged CO2 tank is used, for example, in industrial equipment 1, as well as in other industrial equipment located at a distant location. The purified CO2 may be stored as liquid in the CO2 tank, consumed directly within industrial equipment 1 via pipeline, converted to a solid or liquid state by cooling, or stored in cylinders.

[0043] Figure 2 shows an example of a beverage manufacturing system (carbonated beverage manufacturing system) and explains the carbonated beverage manufacturing process. Raw materials in raw material tank 2 are mixed with water, additives, etc. in mixing tank 3, and CO2 (carbon dioxide) is dissolved in carbonator 4 to produce a carbonated beverage.

[0044] The carbonator 4 receives CO2 discharged from the boiler 10 and recovered by the CO2 recovery unit 20 in-line, and is used in the production of carbonated beverages.

[0045] In the filling device 5, carbonated beverages are filled into the beverage containers 11, and the lids are attached using the seamer 6 (sealing device). In the hot water sterilization device 7, hot water may be poured over the beverage containers 11 for sterilization (heat sterilization). In the inspection device 8, foreign matter and other contaminants are inspected inside the beverage containers 11, and then the beverage containers 11 are boxed and shipped.

[0046] The beverage container 11 includes sealed containers made of a single material or a composite or laminated material thereof, such as glass, paper, plastic (polyethylene terephthalate, etc.), aluminum, and steel. The type of container is not particularly limited, but examples include PET bottles, aluminum cans, steel cans, and glass bottles.

[0047] The hot water sterilization device 7 is supplied with hot water generated by the boiler 10. The boiler 10 is supplied with fuel A, for example, city gas. Note that the boiler 10 is just one example of a heating device, and the present invention can be broadly applied to devices that recover CO2 from exhaust gases generated from devices that heat substances by burning fuel.

[0048] Examples of carbonated beverages include uncolored beverages such as soda, lemonade, fruit juice-based carbonated beverages, colored carbonated beverages (such as cola and melon soda), non-alcoholic beer, and other beverages containing carbon dioxide, or carbonated beverages containing alcohol such as beer, sparkling wine, chuhai, and cocktails.

[0049] In this invention, the gas volume (also called "gas capacity") of a carbonated beverage can be measured by a known method. For example, it can be measured using a commercially available measuring instrument (GVA-700 gas volume measuring device manufactured by Kyoto Electronics Manufacturing Co., Ltd.). Specifically, the carbonated beverage to be measured is brought to 20°C and then attached to the measuring device (gas volume measuring device). The device opens a stopcock once to perform a gas release (snift) operation, and then immediately closes the stopcock and shakes vigorously. The device then calculates the gas volume from the value when the pressure becomes constant, and thereby the gas volume can be obtained.

[0050] In the present invention, the gas volume (gas capacity) of the carbonated beverage is 0.7 or more, more preferably 0.8 or more, 1.5 or more, 1.8 or more, 2 or more, 2.1 or more, 2.5 or more, or 3 or more. The gas volume (gas capacity) is preferably 11 or less, more preferably 10 or less, 9 or less, 6 or less, 5.5 or less, or 5 or less.

[0051] In particular, foaming during filling or opening is more likely to occur with gas volumes of 2 or more, 2.5 or more, 3 or more, 3.5 or more, and 4 or more. Therefore, when used in these carbonated beverages, the CO2 concentration is preferably 99.95% (by volume) or higher.

[0052] Table 1 shows the composition of examples of city gas that can be used. It mainly consists of hydrocarbons such as methane and contains a small amount of nitrogen. For example, city gas with a standard of 13A can be used. City gas generally refers to gas supplied through pipelines buried underground from gas fuel companies or natural gas extraction sites. City gas is preferably produced using natural gas with methane as its main component or liquefied natural gas (LNG) imported from overseas as raw materials.

[0053] [Table 1]

[0054] Natural gas is generally a flammable gas whose main component is methane, a light hydrocarbon. At room temperature and pressure, it is lighter than air, but when cooled to approximately -162°C, it liquefies, and its volume becomes about 1 / 600th of its original volume. Liquid natural gas is called liquefied natural gas (LNG). Natural gas contains not only methane but also light hydrocarbons such as ethane, propane, and butane, as well as impurities (carbon dioxide, nitrogen, hydrogen sulfide, etc.). The composition of natural gas varies depending on its origin, and the methane content ranges from approximately 70% to 100%. Furthermore, liquefied petroleum gas and condensate may be separated and produced during the natural gas refining process. When natural gas or liquefied natural gas is burned, it produces less carbon dioxide, which causes global warming, and nitrogen oxides and sulfur oxides, which cause acid rain and air pollution, compared to other fossil fuels. For the same amount of heat obtained, nitrogen oxide emissions are about 40% of those from coal and about 60% of those from oil, and sulfur oxide emissions are almost negligible.

[0055] In the present invention, the fuel used is a fuel with a sulfur content of 2% by weight or less, for example, fuel oil conforming to a sulfur content of 0.5% by weight or less (low sulfur residue oil (LSC heavy oil), low sulfur distillate oil (LSA heavy oil), ultra-low sulfur crude oil (sulfur content of 0.1% by weight or less)), and furthermore, natural gas and liquefied natural gas (LNG) can be used. Furthermore, fuels derived from and / or primarily composed of natural gas, fuels derived from and / or primarily composed of liquefied natural gas, and city gas, particularly city gas composed primarily of natural gas, are preferred. For example, there is city gas of the 13A standard. Also, city gas produced using natural gas or liquefied natural gas as a raw material is preferred. The calorific value of natural gas varies depending on its methane content. When the methane content is high, the weight per unit volume is lighter and the calorific value is lower. For this reason, natural gas with a high methane content is called light gas. On the other hand, when the methane content is low, the weight per unit volume is heavier and the calorific value is higher. For this reason, natural gas with a low methane content is called heavy gas. The unit of calorific value for natural gas is MJ / m³. 3 (Megajoules per cubic meter) or BTU / ft 3 The unit used is British Thermal Units (BTU) per cubic foot. Heavy gases are generally measured at approximately 1,050 BTU / ft. 3 This refers to natural gas with the above calorific value, and light gas is generally around 1,050 BTU / ft. 3 The following refers to natural gas with a calorific value of 10, and ultralight gas is generally around 1,000 BTU / ft. 3 This refers to natural gas with the following calorific values. When natural gas is the main component of city gas, it is preferable to adjust the calorific value if the calorific value is insufficient according to the city gas standards. Calorific value adjustment refers to changing the calorific value of natural gas. To increase the calorific value, one method is to mix natural gas with a fuel that has a higher calorific value.

[0056] Table 2 shows the composition of exhaust gas F generated by burning city gas (standard 13A) as fuel A in Figure 1. Carbon dioxide, oxygen, and nitrogen accounted for almost 100% of the exhaust gas.

[0057] [Table 2]

[0058] As is clear from Table 2, exhaust gas F contains only carbon dioxide, oxygen, and nitrogen as its components, with almost no other components, resulting in highly pure CO2 that is separated and purified in the CO2 recovery device 20.

[0059] As shown in Table 3, for example, when coal used in an oil refinery is used as boiler fuel, the boiler exhaust contains so-called impurities such as SO2 (sulfur dioxide), NOx (nitrogen oxides), and SOx (sulfur oxides). Therefore, the CO2 recovery unit 20 requires high-load post-treatment to remove these impurities. In particular, when refining CO2 for use in beverages, food products, etc., especially for additive purposes, quality control becomes difficult due to the inclusion of impurities.

[0060] [Table 3]

[0061] In this regard, as shown in Table 2, the exhaust gas F when using city gas as boiler fuel is extremely unlikely to contain the impurities described above. Therefore, even if post-treatment to remove impurities is omitted in the CO2 recovery device 20, it is possible to purify CO2 to a high purity with zero or very few impurities.

[0062] Furthermore, in order to prevent SOx (sulfur oxides) from being present in the exhaust gas, or to keep its presence to an extremely low level, the sulfur content of fuel A, for example, shall be 2% by weight or less. More preferably, it shall be 1.2% by weight or less, 1% by weight or less, 0.7% by weight or less, 0.5% by weight or less, 0.3% by weight or less, 0.1% by weight or less, or 0.05% by weight or less.

[0063] Furthermore, the NOx (nitrogen oxides) in the exhaust gas should be 950 vol ppm or less, preferably 700 vol ppm or less, 500 vol ppm or less, 250 vol ppm or less, 100 vol ppm or less, 70 vol ppm or less, 60 vol ppm or less, 50 vol ppm or less, 40 vol ppm or less, 35 vol ppm or less, and 30 vol ppm or less.

[0064] For example, when a boiler was burned using city gas (standard 13A) as fuel, the exhaust gas was measured and found to contain 22 vol ppm of nitrogen oxides (NOx) and less than 5 vol ppm of sulfur oxides (SOx).

[0065] Furthermore, in Figure 2, the gaseous components of the CO2 recovered and purified by the CO2 recovery device 20 have a CO2 concentration of 99.9% (by volume) or higher, preferably 99.95% (by volume) or higher, and more preferably 99.98% (by volume) or higher. It is also preferable that the sulfur oxide (SOx) content be less than 5 vol ppm. In the case of a solid such as dry ice, or a liquid state, the purity and other properties are measured after converting it to a gas.

[0066] Figure 3 shows an example of using biogas generated from wastewater as fuel for a boiler 41 and a cogeneration system 42.

[0067] Wastewater discharged from industrial facility 1 is subjected to anaerobic treatment at wastewater treatment facility 40. The methane gas C (wastewater biogas) produced by the anaerobic treatment is supplied to boiler 41 and cogeneration system 42 and used as fuel. The gas produced by the anaerobic treatment was actually refined as biogas fuel, and the components of the fuel were measured, yielding the following results.

[0068] [Table 4]

[0069] The exhaust gas F generated by the boiler 41 and the cogeneration system 42 is supplied to the CO2 recovery device 20, where CO2 is purified. When the biogas fuel with the composition shown in Table 4 above was used, the components of the exhaust gas F were measured and found to be as follows.

[0070] [Table 5]

[0071] Furthermore, in Figure 3, the concentration of CO2 recovered and purified by the CO2 recovery device 20 is preferably 99.95% (volume equivalent) or higher, more preferably 99.98% (volume equivalent) or higher, and the sulfur oxide (SOx) content is preferably less than 5 vol ppm, more preferably 1 vol ppm.

[0072] Figure 4 shows an example of recovering CO2 contained in gas G, which is produced by the fermentation of organic matter by microorganisms, using a CO2 recovery device 20. In this example, CO2 (carbon dioxide) produced in a fermentation tank during beer production is recovered. In addition to CO2 produced during the fermentation process in beer production, it is also conceivable to recover CO2 produced during the fermentation process in wine production.

[0073] The CO2 recovered from the fermentation tank is refined into biogas fuel, and the components of this fuel are expected to be, for example, as follows:

[0074] [Table 6]

[0075] Furthermore, in Figure 4, the gaseous components of the CO2 recovered and purified by the CO2 recovery device 20 are preferably designed such that the CO2 concentration is 99.9% (by volume) or higher, preferably 99.5% (by volume) or higher, and more preferably around 99.98% (by volume), and the sulfur oxide (SOx) content is less than 5 vol ppm.

[0076] Based on the above, if industrial facility 1 is a beverage manufacturing plant, the following method for producing carbonated beverages can be used.

[0077] This allows for the recovery and effective utilization of CO2, thereby reducing CO2 emissions and contributing to environmental protection. Furthermore, by using the recovered CO2 at a predetermined concentration in carbonated beverages, foaming can be suppressed. The recovered CO2 can also be widely utilized by using it in-line or temporarily storing it in cylinders. Additionally, recovering CO2 from exhaust reduces CO2 emissions. Moreover, by using fuels with zero or low sulfur content, such as natural gas (city gas), biogas produced by anaerobic treatment of wastewater, or gas produced by the fermentation of organic matter by microorganisms, the possibility of impurities being present in the recovered CO2 is extremely low. Therefore, even if post-treatment to remove impurities is omitted in the CO2 recovery system, it is possible to purify high-purity CO2 with zero or extremely low impurities. Furthermore, by keeping the nitrogen oxide concentration in the exhaust below a predetermined level, it is possible to purify high-purity CO2 with zero or extremely low impurities even if post-treatment to remove impurities is omitted in the CO2 recovery system.

[0078] Specifically, the following method will be used. A process of recovering CO2 from exhaust containing CO2 using a CO2 recovery device, The process involves supplying the recovered CO2 to a carbonated beverage manufacturing system, The carbonated beverage manufacturing system includes a step of supplying CO2 to a CO2 dissolving device, The process of supplying liquid to the CO2 dissolution device, The process involves dissolving CO2 in the liquid using the CO2 dissolving apparatus, A step of filling a container with the liquid in which the CO2 is dissolved, A method for producing a carbonated beverage, characterized by comprising the step of sealing the aforementioned container.

[0079] The recovered CO2 is used in the production of carbonated beverages at a predetermined CO2 concentration.

[0080] The CO2 concentration is between 99.5% and 100%.

[0081] The CO2 concentration is between 99.9% and 100%.

[0082] The CO2 concentration is between 99.95% and 100%.

[0083] The CO2 recovered by the CO2 capture device is The CO2 is supplied from the CO2 recovery system to the carbonated beverage manufacturing system and used in the carbonated beverage manufacturing process.

[0084] The CO2 recovered by the CO2 capture device is CO2 is recovered and stored in a CO2 recovery system, and the stored CO2 is then used in a carbonated beverage manufacturing system, thus utilizing the recovered CO2 in the carbonated beverage manufacturing process.

[0085] The aforementioned exhaust is the exhaust generated when fuel is burned.

[0086] The exhaust gas is generated when fuel is burned and heated in a heating device.

[0087] The aforementioned fuel is a gas whose main component is natural gas.

[0088] The aforementioned fuel is city gas.

[0089] The aforementioned city gas is a gas whose main component is natural gas.

[0090] Exhaust containing CO2 This is biogas produced by anaerobic treatment of wastewater.

[0091] Exhaust containing CO2 These are generated in equipment used to produce electricity, heat, or steam.

[0092] Exhaust containing CO2 It is a gas produced by the fermentation of organic matter by microorganisms.

[0093] The sulfur content in the aforementioned fuel is 2% by weight or less.

[0094] The nitrogen oxides in the exhaust gas containing CO2 are below 950 vol ppm.

[0095] The CO2 dissolution device is a carbonator.

[0096] The CO2 recovery apparatus includes a step of heating the absorbent after it has absorbed the CO2.

[0097] The CO2 recovery apparatus includes a step that allows CO2 to be recovered as one or more of the following: gas, liquid, or solid.

[0098] The gas volume of the aforementioned carbonated beverage is The range is between 0.7 and 11.

[0099] A method for preventing foaming in a filling machine and / or foaming when the consumer opens the beverage, using the above-described method for producing a carbonated beverage.

[0100] Furthermore, based on the above, a method can be used in industrial equipment 1 to produce CO2 for food and beverage manufacturing from recovered CO2.

[0101] This allows for the capture and effective utilization of CO2, thereby reducing CO2 emissions and contributing to environmental protection. Furthermore, by using the captured CO2 as CO2 for food and beverage manufacturing, it can be used in a variety of foods. In addition, the captured CO2 can be widely utilized by using it in-line or temporarily storing it in cylinders, etc. Furthermore, by capturing CO2 from exhaust gases, CO2 emissions can be reduced. Moreover, by using fuels with zero or low sulfur content, i.e., gas mainly composed of natural gas (city gas), biogas produced by anaerobic treatment of wastewater, or gas produced by the fermentation of organic matter by microorganisms, the possibility of impurities being present in the captured CO2 is extremely low. Therefore, even if post-treatment to remove impurities is omitted in the CO2 capture system, it is possible to purify high-purity CO2 with zero or extremely low impurities. Furthermore, by keeping the nitrogen oxide concentration in the exhaust gas below a predetermined level, it is possible to purify high-purity CO2 with zero or extremely low impurities even if post-treatment to remove impurities is omitted in the CO2 capture system.

[0102] Uses of CO2 for food and beverage manufacturing include CO2 for producing carbonated beverages, CO2 for producing alcoholic beverages, CO2 used in the synthesis of protein-rich foods such as meat, flour (pasta, biscuits), and protein powders, and CO2 for producing supplements by promoting algae growth and synthesizing omega-3 fatty acids, etc. It should be noted that the term "food and beverage manufacturing" also encompasses the concept of CO2 used for animal and livestock feed, and can therefore be used for CO2 used in the synthesis of feed ingredients such as calcium carbonate.

[0103] Furthermore, the recovered CO2 may be used not only in the manufacture of food and beverages, but also for the synthesis of diamonds (mineral synthesis), the synthesis of neutral paper with improved whiteness and reduced degradation, the synthesis of biofuels by accelerating algae growth, the synthesis of plastic raw materials, the synthesis of cosmetics used as a diluent or bulking agent for colorants, and methane synthesis.

[0104] Specifically, the following method will be used. This method involves recovering CO2 from exhaust gas containing CO2 using a CO2 recovery device, and then producing CO2 for food and beverage manufacturing from the recovered CO2.

[0105] The CO2 recovered by the CO2 capture device is The CO2 is supplied from the CO2 capture system to the food and beverage manufacturing system and used in the food and beverage manufacturing process.

[0106] The CO2 recovered by the CO2 capture device is CO2 is recovered and stored in a CO2 recovery system, and the stored CO2 is then used in the food and beverage manufacturing system, thus ensuring that the recovered CO2 is utilized in the food and beverage manufacturing process.

[0107] The CO2 used for food and beverage manufacturing is This CO2 is used for various purposes, including the production of carbonated beverages, alcoholic beverages, the synthesis of protein-rich foods such as meat, wheat flour, and protein powders, the production of supplements that promote algae growth and synthesize omega-3 fatty acids, and the synthesis of feed ingredients such as calcium carbonate. [Explanation of Symbols]

[0108] 1. Industrial Equipment 2. Raw material tanks 3 Mixing Tank 4 Carbonator 5 Filling equipment 6 Seamer 7 Hot water sterilizer 8. Inspection equipment 9 Natural gas 10 Boiler 11 Beverage containers 20 Recovery device 30 Unloading device 40 Wastewater treatment facilities 41 Boiler 42 Cogeneration System

Claims

1. CO2 generated when city gas is supplied as fuel to a boiler and burned. ２ CO2 is present in the exhaust gas. ２ CO2 recovery device ２ The process of recovering and recovered CO ２ A process of supplying to a carbonated beverage manufacturing system, In the aforementioned carbonated beverage manufacturing system, CO ２ CO ２ The process of supplying to the dissolving apparatus, CO ２ The process of supplying to the dissolving apparatus, The above CO ２ dissolving the CO in the liquid by a dissolving device ２ and a step of dissolving the CO in the liquid In a method for producing a carbonated beverage, The aforementioned city gas is selected from among city gas derived from natural gas, city gas with natural gas as its main component, city gas manufactured using natural gas as a raw material, and city gas manufactured using liquefied natural gas as a raw material. The nitrogen oxides in the exhaust containing CO2 are 100 vol ppm or less. The sulfur oxides (SOx) in the exhaust containing CO2 are less than 5 vol ppm. The gas volume of the carbonated beverage is between 0.7 and 11. The CO2 dissolution apparatus is a carbonater, The purity of the carbon dioxide introduced into the carbonator is 99.95% (by volume) or higher. A method for manufacturing carbonated beverages.

2. CO2 generated when city gas is supplied as fuel to a boiler and burned. ２ CO2 is present in the exhaust gas. ２ CO2 recovery device ２ The process of recovering and recovered CO ２ A process of supplying to a carbonated beverage manufacturing system, In the aforementioned carbonated beverage manufacturing system, CO ２ CO ２ The process of supplying to the dissolving apparatus, CO ２ The process of supplying to the dissolving apparatus, The aforementioned CO ２ CO2 ２ A step of dissolving in the liquid, In a method for producing a carbonated beverage, The recovered CO2 ２ Store the stored CO ２ By using the carbon dioxide in the carbonated beverage manufacturing system, the recovered CO2 ２ It is used in the manufacture of carbonated beverages, and the exhaust is the exhaust generated when fuel is burned. The aforementioned city gas is selected from among city gas derived from natural gas, city gas with natural gas as its main component, city gas manufactured using natural gas as a raw material, and city gas manufactured using liquefied natural gas as a raw material. The nitrogen oxides in the exhaust containing CO2 are 100 vol ppm or less. The sulfur oxides (SOx) in the exhaust containing CO2 are less than 5 vol ppm. The gas volume of the carbonated beverage is between 0.7 and 11. The CO2 dissolution apparatus is a carbonater, The purity of the carbon dioxide introduced into the carbonator is 99.95% (by volume) or higher. A method for manufacturing carbonated beverages.

3. Spillage is prevented when the filling machine and / or consumer opens the product. A method for producing a carbonated beverage according to claim 1 or 2.

4. CO ２ Exhaust containing, These are generated in equipment for producing electricity, heat, or steam. A method for producing a carbonated beverage according to claim 1 or 2.

5. The aforementioned CO ２ The recovery device is CO ２ The process includes a step that allows the substance to be recovered as one or more of the following: gas, liquid, or solid. A method for producing a carbonated beverage according to claim 1 or 2.

6. Exhaust containing CO2 is These are generated in equipment for producing electricity, heat, or steam. A method for producing a carbonated beverage according to claim 3.

7. The CO2 recovery apparatus includes a step that allows CO2 to be recovered as one or more of the following: gas, liquid, or solid. A method for producing a carbonated beverage according to claim 3.

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