430 results about "Co2 adsorption" patented technology

The invention provides an industrial electrode for synthesizing urea through electro-catalysis C-N coupling and a preparation method and application of the industrial electrode, and belongs to the field of urea synthesizing.The industrial electrode for synthesizing urea through electro-catalysis C-N coupling comprises a conductive substrate and an electro-catalysis material coating the surface of the conductive substrate; the electrocatalytic material comprises a magnesium oxide modified copper oxide catalyst, and MgO nanoparticles and CuO nanoparticles in the magnesium oxide modified copper oxide catalyst are in contact with each other to form a heterostructure. The magnesium oxide modified copper oxide catalyst is used as an electro-catalysis material, MgO nano-particles and CuO nano-particles in the catalyst material are in contact with each other to form a heterostructure, after MgO is introduced, the CO2 adsorption and activation capacity is improved, CO and NHx coupling is promoted, and the urea Faraday efficiency is improved. The industrial electrode shows excellent selectivity and stability in the process of electro-catalytic synthesis of urea.

The invention relates to a renewable industrial flue gas carbon dioxide adsorbent and a preparation method thereof. The method comprises the following steps: S1, mixing alkali metal, an aluminum oxide precursor, silicon oxide and a first solvent, or mixing an alkali metal solution, the aluminum oxide precursor, the silicon oxide and an optional second solvent, and then molding the mixed material to obtain microsphere particles; s2, mixing the microsphere particles and organic amine, and carrying out first loading treatment and drying treatment to obtain an organic amine loaded material; s3, roasting the organic amine-loaded material, mixing the obtained roasted material with a carrier material, and carrying out second loading treatment, so as to obtain the carbon dioxide adsorbent, the carrier material is selected from at least one of polystyrene-polyacrylic acid-polyethylene oxide, polymethyl methacrylate-b-polystyrene, zirconium oxide and a porous ceramic material. The carbon dioxide adsorbent is relatively high in adsorption capacity and relatively good in selectivity, reproducibility and stability; and large-scale industrial production and application are facilitated.

The invention discloses a system and a method for preparing low-carbon olefin through carbon dioxide adsorption and in-situ oxidative dehydrogenation. The invention provides a system and a method for integrating carbon dioxide capture and in-situ oxidation low-carbon alkane (ethane / propane) dehydrogenation, a bifunctional material is composed of an adsorbent and a catalyst, and capture of carbon dioxide and in-situ oxidation low-carbon alkane dehydrogenation can be realized in the same reaction tower, so that the highest one-way carbon dioxide conversion rate can reach 100%, and the conversion rate of carbon dioxide can reach 100%. And meanwhile, the ethylene yield reaches 26%. According to the method, the problems of additional product separation and product gas recycling caused by low carbon dioxide conversion efficiency in the prior art are avoided, and effective heat management is realized, so that the process of integrating carbon dioxide capture and preparing low-carbon olefin by oxidizing low-carbon alkane has more economic advantages.

The invention discloses a photo-thermal carbon dioxide adsorbent as well as a preparation method and application thereof. The photo-thermal carbon dioxide adsorbent is green in production process and wide in raw material source, chitosan which is high in natural abundance and low in price is directly used as a raw material, and the energy consumption in the preparation process is effectively reduced through a composite pore-forming strategy that an activating agent, a pore-forming agent and a nitrogen source are introduced through a one-pot method. The photo-thermal carbon dioxide adsorbent provided by the invention can realize direct carbon capture in normal-temperature air or adsorption separation of CO2 in flue gas, and then realizes zero-carbon desorption under sunlight irradiation, thereby providing a new idea for capture, utilization and storage of carbon dioxide.

The invention discloses an electric methane preparation catalyst compounded by Ni nanoclusters and ZrO2 with lattice embedded with Ru single atoms as well as a preparation method and application of the electric methane preparation catalyst. The electric methane preparation catalyst comprises a NiNCRuSA / ZrO2 bimetallic active site catalyst compounded by the Ni nanoclusters and the ZrO2 with the lattice embedded with the Ru single atoms. The electric methane preparation catalyst comprises a NiNCRuSA / ZrO2 bimetallic active site catalyst, the NiNCRuSA / ZrO2 bimetallic active site catalyst is of a ZrO2 composite structure formed by embedding Ru monatomic into Ni nanoclusters and crystal lattices, the Ni nanoclusters and the Ru monatomic are adjacently distributed on a ZrO carrier to form a synergistic catalysis structure, rich and efficient active sites are provided for catalytic reaction, and reactant adsorption and conversion are facilitated; in the subsequent CO2 methanation reaction, the Ni element quickly dissociates H2 and provides sufficient H *, Ru replaces ZrO2 to serve as an active site for CO2 adsorption and conversion, conversion of an intermediate of CO2 can be accelerated, the reaction activity is greatly enhanced through cooperation of the Ni element and the Ru, the reaction energy barrier is reduced, and the overall catalytic efficiency is improved.

The invention belongs to the field of carbon dioxide geological sequestration and oil-gas field development, and relates to a shale carbon dioxide adsorption expansion damage experiment method considering a hydration state, which comprises the following steps: processing a shale sample according to requirements; the shale is subjected to constant-humidity regulation and control pretreatment, and in the process, different relative humidity environments can be used for pretreatment, so that the influence of different clay mineral hydration interlayer spacing states on adsorption expansion is obtained; soaking the pretreated shale in supercritical carbon dioxide, adsorbing the sample when the temperature and pressure conditions reach a set value, soaking until the rock sample reaches adsorption saturation, and treating by using carbon dioxide with different pressures and temperature gradients; according to collection of sample microstructure and mechanical data, damage can be treated through crack initiation position comparison, porosity and gray scale quantitative analysis and macro-mechanical parameter evolution. The method provides an experimental method for carbon dioxide geological sequestration safety assessment and shale gas fracturing parameter optimization.

The invention discloses a copper oxide modified bismuth vanadate photocatalyst as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic reduction of carbon dioxide. The method comprises the following steps: synthesizing a BiVO4 monomer through a hydrothermal method, then mixing and stirring the BiVO4 monomer and a Cu-MOF precursor solution, carrying out electrostatic adsorption compounding, then carrying out calcination treatment to convert Cu-MOF into CuO, loading the CuO on the surface of BiVO4, forming a p-n heterojunction, and preparing the CuO / BiVO4 composite photocatalyst. According to the catalyst, separation of photon-generated carriers is effectively promoted by constructing a heterojunction, the CO2 adsorption and activation capacity is enhanced, and the CO2 photocatalytic reduction performance is remarkably improved; experiments show that the CO yield of the prepared catalyst reaches 36.77 [mu] mol.g <-1 >. H <-1 > in a reaction for 5 hours, which is about 5.7 times that of pure BiVO4, and the catalyst has good stability; the method is simple in process, low in cost and suitable for efficient photocatalytic reduction of CO2 to prepare fuel.

The invention discloses a detection method for an ODS detection system, which comprises the following steps: S1, sample introduction trapping: a first cold trap is at a first temperature, and the first cold trap traps all ODS in a sample gas; s2, first desorption: the second cold trap is at a second temperature, the first cold trap is heated to a third temperature, ODS with the boiling point smaller than or equal to the boiling point of CO2 in the first cold trap is desorbed out, CO2 adsorption is conducted through a CO2 adsorption pipe, and the ODS desorbed out of the first cold trap after adsorption through the CO2 adsorption pipe is focused through the second cold trap; s3, secondary analysis: heating the first cold trap to a fourth temperature, analyzing the remaining ODS in the first cold trap, and focusing the remaining ODS in the first cold trap by the second cold trap; and S4, injection: heating the second cold trap to a fifth temperature, analyzing all ODS in the second cold trap, and injecting the ODS into the GCMS detection device. The method has the advantages of high test precision and high test accuracy.

An installation for separating carbon dioxide from ambient air is disclosed. The installation includes an adsorption chamber configured to bind carbon dioxide from ambient air to a sorbent, a desorption chamber configured to release carbon dioxide from the sorbent, and a cooling chamber configured to cool the sorbent after desorption. A heating mechanism is disposed within the desorption chamber to facilitate the release of carbon dioxide. The installation further includes a continuous belt configured to support or contain the sorbent and a drive element configured to transport the continuous belt through the adsorption chamber, the desorption chamber, and the cooling chamber. Also disclosed is a method for separating carbon dioxide from ambient air using the installation.

A MOF composition is formed from a reaction mixture comprising zinc ions, oxalate, and one or more substituted cycloazocarbyl compounds selected from either (a) at least two different cycloazocarbyl compounds, each of which is at least mono-substituted, or (b) at least one cycloazocarbyl compound that is di-substituted. The MOF composition can be used in a method of capturing carbon dioxide from a mixture of gases containing carbon dioxide. Also disclosed herein is a method of making the MOF composition.

The application relates to the technical field of catalysts, and discloses a limited type iodine-based homogeneous immobilized catalyst as well as a preparation method and application thereof. The catalyst comprises a carrier and iodine ions, magnesium ions and quaternary ammonium ions loaded on the carrier, wherein the molar ratio of the magnesium ions, the quaternary ammonium ions, the iodine ions and the carrier is 0.01-1:4-15:1-30:1. The limited type iodine-based homogeneous immobilized catalyst disclosed by the application enhances the electrostatic interaction between iodine ions and quaternary ammonium ions through the molecular sieve limiting effect to construct a limited type structure. The catalyst has significantly enhanced CO2 adsorption and activation capacity, can activate an epoxide compound, and accelerates the ring opening of the epoxide compound. In a cycloaddition reaction catalyzed by the catalyst under the conditions of no solvent and no auxiliary agent, the conversion rate of propylene oxide can reach more than 73%, and the propylene carbonate selectivity can reach more than 85%.

The application belongs to the field of new material preparation, and particularly relates to a preparation method of amino-modified biochar / SiO2 composite aerogel. The application prepares cellulose / SiO2 composite aerogel by taking cellulose as a template and tetraethyl orthosilicate as a silicon source, obtains biochar / SiO2 composite aerogel after high-temperature calcination, and then carries out amino modification on the biochar / SiO2 composite aerogel by using a polymer obtained by cross-linking reaction of 3-glycidoxypropyltrimethoxysilane and diethylenetriamine, to obtain amino-modified biochar / SiO2 composite aerogel. The amino-modified biochar / SiO2 composite aerogel prepared by the application has high selectivity for CO2 adsorption, and the preparation process is simple.

A CO2 separation device (10) for separating CO2 from a supplied gas stream (12), in particular an air stream (12) from an environment, is proposed, comprising at least one sorption chamber (14) for the temporary holding of bulk CO2 sorbents (16a) to sorb the CO2 from the supplied gas stream (12), in particular an air stream (12), and a desorption chamber (18) for the temporary holding of the CO2-enriched bulk CO2 sorbents (16b) to desorb the CO2 from the bulk CO2 sorbents (16b), wherein the bulk CO2 sorbents (16a, b) are circulated in a circuit (20) through the sorption chamber (14) and the desorption chamber (18), and wherein a conditioning unit (26) is provided for reducing a degree of pollution and / or for adjusting a total proportion of the CO2 in the The cycle (20) circulating free-flowing CO2 sorption agent (16a, b) is provided.

The invention relates to new carbon dioxide (CO2) adsorbents based on modified weak base anion exchange resin (WBAER) sorbents comprising a crosslinked polymeric backbone containing appended primary and / or secondary amines. The WBAER materials are insoluble in water and common organic solvents, have surface areas of 5-50 m2 / g, and can be in either bead or powder form. The WBAER materials are suspended in water and / or polar organic solvents and treated with polyfunctional epoxide compounds to effect the modification. The modified materials exhibit significantly improved oxidative stability compared with the unmodified ion-exchange resins without significantly impacting their CO2 uptake capacity or CO2 uptake kinetics. The modified materials remain insoluble in water and common organic solvents and, therefore, are not susceptible to leaching under steam-based or moisture-based sorbent regeneration conditions.

This invention relates to a method for preparing lightweight building materials with high carbon sequestration and high strength, comprising the following steps: preparation and activation of biochar; mixing biochar with solid waste raw materials to obtain a mixture; preparing biochar-modified lightweight aggregate in a granulator; curing the obtained lightweight aggregate according to a process of pre-curing – carbonization curing – subsequent wet curing; and drying to obtain lightweight building materials. This invention uses activated biochar as a modifying material, uses fly ash, coal gangue, desulfurized gypsum, and other multi-element solid wastes instead of cement as raw materials, uses blast furnace slag instead of traditional silicone, vinyl acetate (VAM) emulsion, polyurethane, etc., as binders, and uses CO2 from flue gas emitted from steelmaking furnaces, cement kilns, and coal-fired power plants for carbonization curing. This achieves optimized control of the internal pore structure of the lightweight aggregate and accelerates the carbonization reaction rate between CO2 and the internal and external aggregate media, effectively improving the overall carbonization degree and CO2 adsorption performance of the lightweight aggregate.

The invention belongs to the technical field of preparation of adsorption materials, and relates to a 13X molecular sieve adsorbent for removing CO2 as well as a preparation method and application of the 13X molecular sieve adsorbent. The preparation method comprises the following steps: firstly, soaking clay powder in an acid solution, and carrying out filter pressing to obtain a clay filter cake; then, mixing the high-silica-alumina-ratio 13X molecular sieve, the clay filter cake and a pore-forming agent, granulating and forming, and drying and roasting to obtain the spherical high-silica-alumina-ratio 13X molecular sieve adsorbent with the particle size of 1.6-2.4 mm, and finally, treating the 13X molecular sieve adsorbent with the high silica-alumina ratio in a caustic alkali solution, washing, drying and roasting to obtain the efficient 13X molecular sieve adsorbent for removing CO2. According to the method, one-step aluminizing-directional crystal transformation is realized, and the prepared 13X molecular sieve adsorbent has higher CO2 adsorption capacity and is suitable for efficient removal of trace CO2 in air separation.

In one aspect, monolithic structural bodies formed of extruded carbon dioxide (CO2) sorbent materials are described herein. Additionally, extrusion batch compositions and associated methods of forming such monolithic bodies are also described herein. In some embodiments, an extrusion batch for a monolithic structural gas treatment body comprises a particulate polymeric phase, and a particulate carbon dioxide (CO2) sorbent comprising at least one metal organic framework (MOF), the particulate polymeric phase and the particulate CO2 sorbent being disposed in an aqueous or aqueous-based continuous phase, wherein the extrusion batch has a plasticity of 0.06 to 1.3 kgf.

The present application relates to a process for producing synthetic ammonia by using hydrogen-containing tail gas, comprising the following steps: S1: sodium cyanide tail gas is pressurized, then heated and water-cooled. S2: the impurity-removed tail gas is desulfurized. S3: the desulfurized tail gas is mixed with chlor-alkali tail gas, the mixed gas is heated and deoxidized. S4: the deoxidized tail gas is pressurized and enters a PSA (pressure swing adsorption) device for pressure swing adsorption treatment, obtaining high-purity hydrogen. In the PSA device, dehydrating, carbon dioxide, methane, carbon monoxide and nitrogen adsorbents are sequentially arranged. The carbon dioxide adsorbent is activated carbon modified by carbonate and strong alkali, and the nitrogen adsorbent is 13X zeolite molecular sieve modified by Na + and Ba 2+ and Ca 2+ ion exchange. S5: nitrogen reacts with the high-purity hydrogen obtained in step S4 to generate ammonia. The present application can improve the adsorption capacity of the adsorbent for impurity gas, thereby reducing the replacement frequency of the adsorbent, prolonging the service period and service life of the adsorbent, and improving the production efficiency.

The invention discloses a low-temperature flue gas carbon dioxide capture and resource utilization method and system, and the method comprises the following steps: sequentially carrying out dust removal treatment and desulfurization and denitrification treatment on low-temperature flue gas to obtain pretreated low-temperature flue gas; carrying out constant-pressure variable-pressure adsorption treatment on the pretreated low-temperature flue gas to obtain carbon dioxide concentrated gas; one part of the carbon dioxide concentrated gas is used as an activating medium for activating the porous carbon, and the activated porous carbon is used as a carbon dioxide adsorbent to be reused in the constant-pressure variable-pressure adsorption treatment process; and the other part of the carbon dioxide concentrated gas can be sold as a high-purity carbon dioxide product gas after being purified. According to the method, the low-temperature water-containing flue gas is subjected to carbon dioxide capture by adopting the porous carbon, the captured carbon dioxide is used for activating the porous carbon, and the activated porous carbon is recycled for capturing the carbon dioxide, so that cyclic utilization of carbon resources is realized, and the method has important environmental protection value and economic value.

The present application provides a kind of biomass gasification coupling SOEC co-electrolysis system and process of green fuel, the present application is coupled with biomass gasification and solid oxide electrolytic cell (SOEC) co-electrolysis synthesis gas path, with forestry waste biomass as raw material, adopt oxygen-carrying-CO2 adsorption functional material, construct gasification-adsorption integrated and SOEC co-electrolysis deep coupling system;System includes gasification unit, first heat exchange unit, gas purification unit, regeneration oxidation unit, SOEC electrolysis unit and fuel synthesis unit;With wind power, photovoltaic and other green electricity as SOEC electrolysis unit driving energy, integration biomass directional conversion, CO2 in situ capture-function material regeneration cycle, SOEC high temperature co-electrolysis is integrated, rely on heat cascade utilization, achieve system material closed loop reuse;By adjusting the amount of water vapor in the system, obtain specific hydrogen carbon ratio synthesis gas, so as to realize the production of green fuel, whole process saves traditional water gas shift process, improve system energy efficiency, avoid carbon loss, reduce high temperature energy consumption.

The present invention relates to structures for and methods of carbon capture, particularly separation of gaseous carbon dioxide from a gas mixture by a cyclic adsorption and desorption process using a sorbent material for carbon dioxide adsorption. We describe a hollow fiber for adsorption and desorption of carbon dioxide, comprising: a cylindrical hollow fiber structure capable of carbon dioxide sorption, where a cross-section of the hollow fiber structure is substantially symmetrical; and a semi-permeable layer that is impermeable to a liquid heat transfer medium but permeable to a vapor state of the heat transfer medium, where the semi-permeable layer is disposed on a surface of the hollow fiber structure adjacent to a lumen of the hollow fiber. We also describe a method for cyclic adsorption and desorption of carbon dioxide by exposing the hollow fiber to ambient air. CO2 in the ambient air is adsorbed to the hollow fiber.

The application discloses a carbon dioxide adsorbent and a preparation method and application thereof, and relates to the technical field of carbon dioxide capture and resource utilization. The preparation method comprises the following steps: raw material pretreatment: the carbide slag and fly ash are respectively subjected to screening and drying treatment; preparation of the carbon dioxide adsorbent: the pretreated carbide slag and fly ash are placed in a mixing device in a mass ratio of 8-10:1 for dry mixing treatment to obtain a mixture, and then the mixture is placed in a high-temperature reaction furnace for constant-temperature calcination at 840 DEG C-860 DEG C, and the calcination time is 1h-3h, so that a carbon dioxide adsorbent containing Ca 12 Al 14 O 33 substance is generated in situ. The carbon dioxide adsorbent provided by the application takes two kinds of industrial solid wastes, namely, carbide slag and fly ash, as raw materials, can be applied to carbon dioxide capture, greatly reduces the cost of calcium cycle carbon dioxide capture, and opens up a high-value path for bulk resource utilization of the carbide slag and fly ash.

The invention discloses a forming method of a magnesium oxide-based carbon dioxide adsorbent suitable for large-scale preparation. The forming method comprises the following steps: calcining a magnesium-containing precursor to prepare porous magnesium oxide raw powder; the preparation method comprises the following steps: carrying out impregnation modification on magnesium oxide raw powder and an alkali metal salt solution to obtain wet mixed thick slurry, drying the slurry, and carrying out secondary calcination to obtain modified adsorbent raw powder; and mixing the raw powder with deionized water, a forming aid and the like to prepare a plastic wet material, and performing extrusion-spheronization balling, drying and calcining to obtain regular spherical adsorbent particles. The formed adsorbent prepared through the method has the advantages of being controllable in particle size, high in mechanical strength, good in adsorptive property after being formed, excellent in cycling stability and the like, can be used for CO2 chemical adsorption trapping of CO2-containing gas under the medium-temperature condition, and is good in CO2 adsorptive property, economical efficiency of the technological method and environmental protection performance, the process technology is easy to amplify, and the method is suitable for industrial production. The method is suitable for industrial large-scale production.

The utility model provides a circulating air supply type breathing device which comprises a main body of a closed structure, and the main body comprises an inspiration chamber, a carbon dioxide adsorber and an expiration chamber which are sequentially communicated with one another; an inspiration air bag capable of stretching out and drawing back in the axial direction of the inspiration cavity is arranged in the inspiration cavity, and an expiration air bag capable of stretching out and drawing back in the axial direction of the expiration cavity is arranged in the expiration cavity. The breathing mask is respectively communicated with the inspiration air bag and the expiration air bag through an inspiration pipeline and a breathing pipeline; the air supply port is communicated with the air suction air bag; and the one-way valves are arranged in the inspiration pipeline, the expiration pipeline, the bottom of the inspiration air bag, the bottom of the expiration air bag, the expiration cavity, the air supply port and between the carbon dioxide adsorber and the inspiration cavity. The breathing mask is simple in structure, low in cost and capable of recycling exhaled air and improving comfort and safety of operators.

The invention relates to the technical field of carbon dioxide adsorbents, in particular to a silicon-based / aluminum-based solid amine adsorbent prepared from montmorillonite and a preparation method and application of the silicon-based / aluminum-based solid amine adsorbent. According to the invention, the montmorillonite subjected to acid activation treatment is extracted to obtain the silicon-based nano material with silicon dioxide as a main component. In addition, through step-by-step neutralization treatment on the strongly acidic filtrate, metal ions in the filtrate are successfully extracted and converted into an aluminum-based nano material with aluminum oxide as a main component. The solid amine adsorbent is prepared by taking a silicon-based and aluminum-based composite nano material with high specific surface area and high surface activity as a carrier and combining amino functionalization treatment. According to the method, high-added-value overall utilization of the montmorillonite is achieved, the montmorillonite is converted into a high-capacity and high-selectivity novel trapping material from low-adsorbability minerals, the original acid filtrate with high corrosivity is converted into an environment-friendly sodium chloride neutral solution, and green chemistry and circular economy concepts are practiced.

The invention discloses a preparation method and application of high-microporosity corn straw-based porous carbon. The preparation method comprises the following steps: drying collected corn straw, crushing and sieving to obtain corn straw powder, soaking the corn straw powder in a hydrochloric acid solution to remove impurities and metal ions, filtering, cleaning until filtrate is neutral, and drying; uniformly mixing the obtained corn straw powder with a potassium hydroxide activator which is ground into powder according to a set mass ratio; performing one-step high-temperature activation on the obtained mixture under the protection of nitrogen; and washing the obtained biomass charcoal with a hydrochloric acid solution to remove ash, filtering, washing with deionized water until the pH value of the filtrate is neutral, and drying to obtain the corn straw-based porous carbon material. The high-micropore-rate corn straw-based porous carbon material prepared by the preparation method is applied as a CO2 adsorption adsorbent. According to the method disclosed by the invention, a high-micropore structure is synchronously constructed in a single-step pyrolysis process by accurately regulating and controlling a temperature rising program and atmosphere conditions.

The application relates to the technical field of catalysts, and discloses a catalyst, a preparation method and application thereof, and a method for methane carbon dioxide reforming reaction, the catalyst comprising an active substrate and CeO2, wherein the active substrate comprises La-Ni-based oxides with a perovskite structure; the catalyst has diffraction peaks at 2theta of 32.7+ / -0.3 degrees, 31.3+ / -0.3 degrees and 28.0+ / -0.3 degrees as measured by X-ray diffraction; and the catalyst has at least one reduction peak below 400 DEG C as measured by H2-TPR. The catalyst has high activity and stability, can effectively enhance CO2 adsorption during the reaction, reduce CH4 adsorption and cracking, and has good carbon deposition resistance.

The application relates to the technical field of integrated carbon dioxide capture and hydrogenation conversion, and discloses a calcium-based bifunctional material for integrated carbon capture-hydrogenation conversion as well as a preparation method and application thereof. The calcium-based bifunctional material for integrated carbon capture-hydrogenation conversion and the preparation method. The calcium-based bifunctional material is mainly composed of an adsorbent matrix and a catalyst matrix, the adsorbent matrix, the catalyst matrix and a dispersing agent are mixed by selecting appropriate calcium precursors, adsorbent supports and RWGS catalysts, and then the mixture is subjected to water bath heating, stirring, drying and calcination to obtain the calcium-based bifunctional material for integrated carbon capture-hydrogenation conversion. Under the working condition of normal pressure and 650 DEG C, compared with traditional calcium-based CO2 adsorbents and hydrogenation conversion catalysts, the calcium-based bifunctional material has higher CO2 adsorption capacity, CO2 conversion rate and better cycle stability in the ICCU-RWGS reaction.

To provide a carbon dioxide adsorption experimental apparatus and experimental method using the same that can suppress the scattering of adsorbent material outside the PET bottle and reduce the exposure time of the adsorbent material. [Solution] An experimental apparatus for conducting carbon dioxide adsorption experiments, comprising: an adsorbent 2 for adsorbing carbon dioxide; a PET bottle 10 for housing the adsorbent 2 inside; a supply pipe 20 for supplying carbon dioxide into the PET bottle 10; a filter member 30 that serves as both a discharge section for discharging air from inside the PET bottle 10 to the outside and a scattering prevention section for preventing the adsorbent 2 from scattering outside the PET bottle 10; and a one-touch cap 50 that blocks communication between the supply pipe 20 and the filter member 30 and the outside, and seals the inside of the PET bottle 10.