Gas separator and method for manufacturing a gas separator

Abstract

To provide a gas separator that has an adsorbent monolith and a container bonded together in the state of enabling proper heat exchange, without deteriorating adsorptive capacity of the adsorbent monolith.SOLUTION: A gas separator comprises: an adsorbent monolith which has a monolith structure and which is made of a mixture including a binder and an adsorbent for adsorbing gas; a container for housing the adsorbent monolith on the inside; and an adhesive which consists primarily of the mixture, which is infilled between the adsorbent monolith and the container, and which bonds the adsorbent monolith and the container together.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a gas separator and a method for manufacturing the gas separator.

Background Art

[0002] Conventionally, a technique for recovering a specific adsorbed gas by adsorbing the specific adsorbed gas contained in a mixed gas onto an adsorbent and then desorbing it is known. Generally, from the viewpoints of adsorption efficiency and desorption efficiency, it is preferable to adsorb the adsorbed gas by the adsorbent at a low temperature and desorb the adsorbed gas from the adsorbent at a high temperature, and the temperature of the adsorbent is adjusted by heat exchange with the outside. So far, the adsorbent has often been formed into a granulated shape and used in a state of a particle filling structure filled with the granulated bodies. However, in the particle filling structure, since each of the granulated bodies is in point contact, the thermal conductivity between the granulated bodies is low, and thus the heat exchange efficiency between the adsorbent and the outside tends to be low.

[0003] Therefore, as a technique for improving the heat exchange efficiency between the adsorbent and the outside, Patent Document 1 discloses an adsorbent monolith in which the adsorbent is formed into a monolith structure. Since the adsorbent monolith has an integral structure, the thermal conductivity in the adsorbent monolith is improved as compared with the particle filling structure. Patent Document 2 discloses a monolith adsorbent contactor which is a container that houses the adsorbent monolith inside. In Patent Document 2, the adsorbent monolith is adhered to the inner surface of the container via an adhesive mainly composed of a polymer so that good heat exchange can be achieved between the adsorbent monolith and the container.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

[0005] However, the container disclosed in Patent Document 2 did not adequately consider the possibility that the adhesive used for bonding might reduce the adsorption capacity of the adsorbent monolith. For example, if the adhesive contains components that degrade the adsorbent, it may reduce the adsorption capacity of the adsorbent monolith. Also, if the viscosity of the adhesive is low, the adhesive may flow into the adsorbent monolith and then block the inside of the adsorbent monolith, hindering gas diffusion, or cover the inside surface of the adsorbent monolith, hindering gas adsorption, thereby reducing the adsorption capacity of the adsorbent monolith. For this reason, there was a desire to bond the adsorbent monolith and the container in a way that allows for good heat exchange without reducing the adsorption capacity of the adsorbent monolith. It should be noted that Patent Document 1 does not consider the bonding between the adsorbent monolith and the container at all.

[0006] The present invention has been made to solve at least some of the above-mentioned problems, and aims to provide a gas separator in which an adsorbent monolith and a container are bonded together in a manner that allows for good heat exchange without reducing the adsorption capacity of the adsorbent monolith. [Means for solving the problem]

[0007] The present invention has been made to solve at least some of the above-mentioned problems and can be realized in the following forms.

[0008] (1) According to one embodiment of the present invention, a gas separator is provided. The gas separator comprises an adsorbent monolith having a monolithic structure and composed of a mixture including an adsorbent that adsorbs gas and a binder; a container that houses the adsorbent monolith inside; and an adhesive mainly composed of the mixture, which is filled between the adsorbent monolith and the container and adheres the adsorbent monolith and the container together.

[0009] In this configuration, the adsorbent monolith, composed of a mixture containing an adsorbent and a binder, is housed inside the container with the space between the adsorbent monolith and the container filled and bonded by an adhesive primarily composed of the mixture. Therefore, since the adhesive primarily consists of the mixture constituting the adsorbent monolith, the adsorption capacity of the adsorbent monolith is not reduced by the main components contained in the adhesive. Furthermore, because the viscosity of the adhesive primarily composed of the mixture constituting the monolithic structure of the adsorbent monolith is relatively high, a reduction in the adsorption capacity of the adsorbent monolith due to the adhesive flowing into the interior of the adsorbent monolith can also be suppressed. In other words, with this configuration, the adsorbent monolith and the container are bonded via the adhesive in a state that allows for good heat exchange without reducing the adsorption capacity of the adsorbent monolith. Therefore, cooling of the adsorbent monolith via the container during gas adsorption and heating of the adsorbent monolith via the container during gas desorption can be efficiently performed, thereby improving the gas adsorption and desorption capacity of the gas separator.

[0010] (2) In the gas separator of the above form, the content of the adsorbent in the mixture in the adsorbent monolith may be 80% or more by weight. The higher the adsorbent content in the mixture constituting the adsorbent monolith, the more gases can be adsorbed and desorbed. With this configuration, the adsorbent content in the mixture within the adsorbent monolith is 80% or more by weight, which further improves the gas adsorption and desorption capabilities.

[0011] (3) In the gas separator of the above form, the content of the adsorbent in the mixture in the adhesive may be 80% or more by weight. In this configuration, the adsorbent monolith and the container are bonded together using an adhesive whose main component is a mixture containing adsorbent in a high proportion equivalent to that of the mixture constituting the adsorbent monolith. Therefore, even if the adsorbent monolith has high adsorption capacity due to its high adsorption capacity, it can be bonded to the container in a way that allows for good heat exchange without reducing its adsorption capacity.

[0012] Furthermore, the present invention can be realized in various forms, for example, in the form of a method for manufacturing a gas separator, a computer program for executing the manufacturing method, a server device for distributing the computer program, a non-temporary storage medium storing the computer program, and so on. [Brief explanation of the drawing]

[0013] [Figure 1] This is an explanatory diagram illustrating the configuration of a gas separator as one embodiment of the present invention. [Figure 2] This is an explanatory diagram showing the state in which the adsorbent monolith is inserted into the container. [Figure 3] This is a flowchart showing an example of the manufacturing process for a gas separator. [Figure 4] This is an explanatory diagram showing the arrangement of gas separators in an adsorption capacity evaluation test. [Figure 5] This is an explanatory diagram showing the test results from an adsorption capacity evaluation test. [Figure 6] This is an enlarged explanatory diagram showing a portion of the test results from an adsorption capacity evaluation test. [Modes for carrying out the invention]

[0014] <First Embodiment> Figure 1 is an explanatory diagram illustrating the configuration of a gas separator 1 as one embodiment of the present invention. The gas separator 1 is a device that recovers a specific adsorbent gas contained in a mixed gas by adsorbing it onto an adsorbent material and then desorbing it. In the gas separator 1, carbon dioxide (CO2) is used as the specific adsorbent gas. The gas separator 1 comprises an adsorbent monolith 10, a container 20, and an adhesive 30.

[0015] The adsorbent monolith 10 has a monolithic structure and is composed of a mixture containing an adsorbent that adsorbs CO2, which is a specific adsorbable gas, and a binder. The monolithic structure refers to an integral porous structure in which a fine network-like skeleton is continuous in three dimensions. In FIG. 1, on one surface of the cylindrical adsorbent monolith 10, a plurality of holes P through which a mixed gas flows into the inside of the adsorbent monolith 10 are shown. The mixed gas flowing in from the holes P passes through the adsorbent monolith 10 while CO2 is adsorbed by the adsorbent in the adsorbent monolith 10. Examples of the adsorbent contained in the mixture constituting the adsorbent monolith 10 include metal-organic frameworks (MOFs), zeolites, silica, activated carbon, covalent organic frameworks, and the like. In the present embodiment, HKUST-1, which is one of the typical metal-organic frameworks, is used as the adsorbent contained in the mixture. The content ratio of the adsorbent in the mixture in the adsorbent monolith 10 is 80% or more by weight.

[0016] Examples of the binder contained in the mixture constituting the adsorbent monolith 10 include a binder mixture of an inorganic binder (carbon fiber, graphite, boehmite, bentonite, sepiolite, etc.) and an organic binder (methyl cellulose, carboxymethyl cellulose, hydroxypropyl cellulose, hydroxyethyl cellulose, polyvinyl alcohol, etc.). In the present embodiment, a binder mixture of boehmite, which is an inorganic binder, and hydroxypropyl cellulose, which is an organic binder, is used as the binder contained in the mixture.

[0017] FIG. 2 is an explanatory view showing a state in which the adsorbent monolith 10 is inserted into the container 20 in the manufacturing process of the gas separator 1. The container 20 is a container that houses the adsorbent monolith 10 inside. As shown in FIG. 2, the general shape of the container 20 is cylindrical. The cylindrical adsorbent monolith 10 is inserted inside the cylindrical container 20, whereby the container 20 houses the adsorbent monolith 10 inside.

[0018] Returning to the description of FIG. 1, the adhesive 30 is mainly composed of the mixture constituting the adsorbent monolith 10 described above, and is filled between the adsorbent monolith 10 and the container 20, bonding the adsorbent monolith 10 and the container 20. The main component means occupying 50% or more of the weight percentage. As shown in FIG. 2, when the adsorbent monolith 10 is inserted into the container 20 during the manufacturing process of the gas separator 1, the adsorbent monolith 10 fits into the container 20, but there is a gap GP between the adsorbent monolith 10 and the container 20. After the gap GP is filled with the adhesive 30P (not shown) before heat treatment and then heat treatment is applied, the adhesive 30P before heat treatment is denatured into the adhesive 30, and the adsorbent monolith 10 and the container 20 are bonded. That is, the gap GP is filled with the adhesive 30. The content rate of the adsorbent in the mixture in the adhesive 30 is 80% or more by weight ratio.

[0019] FIG. 3 is a flowchart showing an example of the procedure of the manufacturing process of the gas separator 1. In the manufacture of the gas separator 1, first, the manufacturer mixes the adsorbent (HKUST-1) with a binder mixture (boehmite, hydroxypropyl cellulose), and then kneads it into a clay-like state by containing ethanol as a solvent (step S10). Next, the manufacturer forms the kneaded clay into a monolith structure (step S20). For the formation of the monolith structure, extrusion molding or molding with a 3D printer is used.

[0020] Next, the manufacturer determines whether additional processing is required for the clay mass formed into the monolith structure (step S30). Specifically, the manufacturer determines whether additional processing is required for the clay mass formed into the monolith structure to a shape that can be accommodated in the container 20. In the present embodiment, since the general shape of the container 20 is a cylindrical shape, whether additional processing is required is determined according to whether the shape of the clay mass after step S20 is a cylindrical shape. When additional processing is required (step S30: YES), the manufacturer performs additional processing on the clay mass formed into the monolith structure (step S35). By the additional processing, the clay mass is formed into a cylindrical shape.

[0021] If no further processing is required (step S30: NO), or after further processing has been performed (step S35), the manufacturer heat-treats the cylindrical clay mass (step S40). During this heat treatment, the ethanol contained in the clay mass is removed, and the clay mass becomes an adsorbent monolith 10. These steps from S10 to S40 constitute the preparation steps for preparing the adsorbent monolith 10. Next, the manufacturer places the adsorbent monolith 10 into the container 20 as shown in Figure 2 (step S50). This step S50 constitutes the storage step.

[0022] Next, the manufacturer fills the space between the adsorbent monolith 10 and the container 20 with adhesive 30P before heat treatment (step S60). Specifically, the space between the adsorbent monolith 10 and the container 20 (shown as a gap GP in Figure 2) is filled with adhesive 30P before heat treatment. The adhesive 30P before heat treatment is prepared by adding ethanol, a solvent, to the clay kneaded in step S10 to impart fluidity. By adjusting the amount of solvent added at this time, the desired fluidity is imparted to the clay.

[0023] Next, the manufacturer performs a heat treatment on the intermediate product, in which the adsorbent monolith 10 is housed in a container 20 and the adhesive 30P before heat treatment is filled between the adsorbent monolith 10 and the container 20 (step S70). This heat treatment removes ethanol from the adhesive 30P before heat treatment, transforming it into adhesive 30, and the adsorbent monolith 10 and the container 20 are bonded together, completing the gas separator 1 (see Figure 1). These steps S60 and S70 constitute the bonding process. After step S70, the adsorbent monolith 10 inside the gas separator 1 may be regenerated (moisture and other adsorbed substances removed) by heating it at 200°C for 3 hours while reducing the pressure inside with a vacuum pump.

[0024] Figure 4 is an explanatory diagram showing the arrangement of the gas separator 1 in the adsorption capacity evaluation test. The arrows shown in Figure 4 indicate the direction of gas flow through each pipe. The main pipe MP is a pipe through which a mixed gas containing N2 and CO2 (the gas to be adsorbed) flows. The bypass pipe BY is a pipe that branches off from the first position L1 in the main pipe MP and rejoins the main pipe MP at the second position L2 downstream of the first position L1. Valves V1 and V2 are provided in the main pipe MP and the bypass pipe BY, respectively. Valve V1 is a shut-off valve that can shut off the flow of gas from the first position L1 to the second position L2 via the main pipe MP. Valve V2 is a shut-off valve that can shut off the flow of gas from the first position L1 to the second position L2 via the bypass pipe BY. The gas separator 1 is installed downstream of the location where valve V2 is installed in the bypass pipe BY. Before the start of the adsorption capacity evaluation test, valve V1 is open and valve V2 is closed. At the start of the adsorption capacity evaluation test, valve V1 is closed and valve V2 is opened to initiate the inflow of the mixed gas into the gas separator 1. In this state, the adsorption capacity of the gas separator 1 is evaluated using the CO2 concentration measured by sensor 40 located downstream of the second position L2. The evaluation test is conducted with the adsorbent monolith 10 being cooled from the outside by water cooling on the outer surface of the container 20 of the gas separator 1.

[0025] Figure 5 is an explanatory diagram showing the test results from an adsorption capacity evaluation test. The vertical axis of Figure 5 shows the CO2 concentration measured by the sensor 40, and the horizontal axis shows the elapsed time since the start of the evaluation test. The breakthrough curve BT1 shown in Figure 5 shows the history of the CO2 concentration measured by the sensor 40 from the start of the inflow of the mixed gas (containing 85% N2 and 15% CO2) into the gas separator 1. On the other hand, the breakthrough curve BT2 shown in Figure 5 shows the same history for the gas separator of the comparative example. The gas separator of the comparative example (hereinafter referred to as the comparative example) is a gas separator in which the adsorbent monolith 10 is fitted into the container 20, but there is no adhesive 30 between the adsorbent monolith 10 and the container 20, and a gap GP exists. The portion of the breakthrough curve BT2 before the elapsed time of 150 seconds overlaps with the breakthrough curve BT1. Note that the test results shown by the breakthrough curves BT1 and BT2 in Figure 5 assume that the adsorbent material in the adsorbent monolith 10 has been regenerated immediately before the evaluation test.

[0026] When valve V1 is closed and valve V2 is opened at the start of the evaluation test, the CO2 concentration measured by sensor 40 continues to decrease in both gas separator 1 and the comparative example until elapsed time t1. That is, from the start of the evaluation test until elapsed time t1, all of the CO2 in the mixed gas flowing through the bypass pipe BY is adsorbed by the adsorbent monolith 10, and the mixed gas remaining in the main pipe MP between the first position L1 and the second position L2 flows downstream.

[0027] Between elapsed time t1 and elapsed time t2, the CO2 concentration measured by the sensor 40 is 0% in both gas separator 1 and the comparative example. That is, during this time, all of the CO2 in the mixed gas flowing through the bypass pipe BY is adsorbed by the adsorbent monolith 10. After elapsed time t2, as shown by the breakthrough curve BT2, in the comparative example, the CO2 concentration measured by the sensor 40 begins to rise because the adsorbent can no longer adsorb CO2 in the mixed gas.

[0028] Figure 6 is an enlarged explanatory diagram of a portion of the test results shown in Figure 5. Specifically, Figure 6 shows an enlarged view of the test results from elapsed time 100 seconds to elapsed time 200 seconds, as shown in Figure 5. The vertical and horizontal axes of Figure 6 are the same as in Figure 5. Index ID is the CO2 concentration used as an indicator of adsorption capacity performance, and in this evaluation test, it is set to 0.1%. As shown in the breakthrough curve BT2, in the comparative example, the CO2 concentration begins to rise from elapsed time t2 and reaches index ID at elapsed time t3. In Figure 6, elapsed time t3 is 163 seconds. On the other hand, in gas separator 1, the CO2 concentration begins to rise from elapsed time t4 (>t3) and reaches index ID at elapsed time t5. In Figure 6, elapsed time t5 is 173 seconds. Therefore, the results shown in Figures 5 and 6 indicate that, compared to the comparative example, gas separator 1 has an improved adsorption capacity of approximately 6% (=173 ÷ 163 × 100) because the adhesive 30 is filled between the adsorbent monolith 10 and the container 20, thereby bonding them together in a state that allows for good heat exchange.

[0029] As described above, according to the gas separator 1 of the first embodiment, the adsorbent monolith 10, which is composed of a mixture containing an adsorbent and a binder, is housed inside the container 20 with the space between the adsorbent monolith 10 and the container 20 filled and bonded by an adhesive 30 mainly composed of the mixture. Therefore, since the adhesive 30 is mainly composed of the mixture that constitutes the adsorbent monolith 10, the adsorption capacity of the adsorbent monolith 10 will not decrease due to the main components contained in the adhesive 30. Furthermore, since the viscosity of the adhesive 30, which is mainly composed of the mixture that constitutes the monolithic structure of the adsorbent monolith 10, is relatively high, a decrease in the adsorption capacity of the adsorbent monolith 10 due to the adhesive 30 flowing into the interior of the adsorbent monolith 10 can also be suppressed. In other words, according to the gas separator 1 of the first embodiment, the adsorbent monolith 10 and the container 20 are bonded via the adhesive 30 in a state that allows for good heat exchange without reducing the adsorption capacity of the adsorbent monolith 10. Therefore, the adsorbent monolith 10 can be efficiently cooled via the container 20 during gas adsorption, and the adsorbent monolith 10 can be efficiently heated via the container 20 during gas desorption, thereby improving the gas adsorption and desorption capabilities of the gas separator 1. Furthermore, since the space between the adsorbent monolith 10 and the container 20 is filled with adhesive 30, it is possible to prevent the mixed gas sent to the gas separator 1 from passing through the gas separator 1 through the gap between the adsorbent monolith 10 and the container 20 rather than through the inside of the adsorbent monolith 10.

[0030] Furthermore, in the gas separator 1 of the first embodiment, the adsorbent content in the mixture within the adsorbent monolith 10 is 80% or more by weight. The higher the adsorbent content in the mixture constituting the adsorbent monolith 10, the more gas can be adsorbed and desorbed. Therefore, according to the gas separator 1 of the first embodiment, since the adsorbent content in the mixture within the adsorbent monolith 10 is 80% or more by weight, the gas adsorption and desorption capabilities can be further improved.

[0031] Furthermore, in the gas separator 1 of the first embodiment, the adsorbent monolith 10 and the container 20 are bonded together with an adhesive 30 whose main component is a mixture containing adsorbent in a high proportion equivalent to that of the mixture constituting the adsorbent monolith 10. Therefore, even if the adsorbent monolith 10 has high adsorption capacity due to containing a high proportion of adsorbent, it can be bonded to the container 20 in a state that allows for good heat exchange without reducing its adsorption capacity.

[0032] <Second Embodiment> The gas separator of the second embodiment differs from the gas separator 1 of the first embodiment in that it uses zeolite instead of HKUST-1 as the adsorbent in the mixture constituting the adsorbent monolith 10. Furthermore, the gas separator of the second embodiment also differs from the gas separator 1 of the first embodiment in that it uses a different binder mixture (bentonite, methylcellulose) instead of the binder mixture (boehmite, hydroxypropylcellulose) in the mixture constituting the adsorbent monolith 10. Here, the organic binder in the different binder mixture may be carboxymethylcellulose instead of methylcellulose, or a mixture of methylcellulose and carboxymethylcellulose. Additionally, the mixture constituting the adsorbent monolith 10 contains polyvinyl alcohol.

[0033] The manufacturing process for the gas separator of the second embodiment is generally the same as that of the gas separator 1 of the first embodiment (Figure 3), except that the adsorbent, another binder mixture, and polyvinyl alcohol are mixed and then kneaded into a clay-like substance using water as a solvent. On the other hand, the preparation of the adhesive before heat treatment, which is filled between the adsorbent monolith 10 and the container 20 in step S60, is different. In the manufacturing process for the gas separator 1 of the first embodiment (Figure 3), only the solvent was added to the clay (containing HKUST-1) kneaded in step S10. However, in the manufacturing process for the gas separator of the second embodiment, since the adhesive component is insufficient if the solvent is only added to the clay (containing zeolite) kneaded in step S10, polyvinyl alcohol is further added to provide the adhesive component, thereby preparing the adhesive before heat treatment used for filling. Subsequently, the adhesive before heat treatment with the added adhesive component is modified by the heat treatment in step S70, thereby bonding the adsorbent monolith 10 and the container 20, and completing the gas separator of the second embodiment.

[0034] In the gas separator of the second embodiment described above, similar to the first embodiment, the adsorbent monolith 10 and the container 20 are bonded in a state that allows for good heat exchange without reducing the adsorption capacity of the adsorbent monolith 10. Furthermore, as explained in the manufacturing process of the gas separator of the second embodiment, in the preparation stage of the adhesive before heat treatment used for filling, if the adhesive component is insufficient when only the solvent is added to the clay kneaded in step S10, it is possible to prepare an adhesive before heat treatment with sufficient adhesive components by adding a material having adhesive components (for example, the polyvinyl alcohol described above). For this reason, even mixtures that lack sufficient adhesive components when dissolved in a solvent (for example, the zeolite-containing mixture described above) can be applied to the adhesive. Consequently, it is also possible to manufacture a gas separator in which the adsorbent monolith 10 composed of such a mixture is bonded to the container 20 with an adhesive whose main component is the same mixture.

[0035] <Modified form of this embodiment> The present invention is not limited to the embodiments described above, and can be implemented in various forms without departing from its spirit, for example, the following modifications are also possible.

[0036] [Example 1] In the above embodiment, the adsorbent content in the mixture within the adsorbent monolith 10 was 80% or more by weight, but it is not limited to this. For example, the adsorbent content in the mixture within the adsorbent monolith 10 may be less than 80%.

[0037] [Differentiation 2] In the above embodiment, the binder contained in the mixture used in the adsorbent monolith and adhesive was a binder mixture of an inorganic binder and an organic binder, but it is not limited to this. For example, the binder contained in the mixture may be either an inorganic binder or an organic binder.

[0038] [Difference 3] In the first embodiment described above, in step S10 of the manufacturing process of the gas separator 1, the adsorbent was mixed with the binder mixture and then kneaded into a clay-like consistency with ethanol as a solvent, but the embodiment is not limited to this. For example, methanol, isopropyl alcohol, water, hexane, etc. may be used as the solvent instead of ethanol.

[0039] [Differentiation Example 4] In the second embodiment described above, polyvinyl alcohol was added to the clay mixed in step S10 when the adhesive component was applied during the preparation stage of the adhesive used for filling before heat treatment, but the embodiment is not limited to this. For example, polymers such as thermoplastic resins and thermosetting resins may be used instead of polyvinyl alcohol.

[0040] The embodiments of this specification have been described above based on the embodiments and modifications described above. The embodiments described above are for the purpose of facilitating understanding of this specification and do not limit it. This specification may be modified and improved without departing from its spirit and the scope of the claims, and equivalents thereof are included in this specification. Furthermore, any technical features that are not described as essential in this specification may be deleted as appropriate. [Explanation of Symbols]

[0041] 1…Gas separator 10… Adsorbent monoliths 20…Container 30…Adhesive 30P…Adhesive 40...Sensor

Claims

1. An adsorbent monolith is composed of a mixture containing an adsorbent and a binder, which have a monolithic structure and adsorb a specific gas to be adsorbed. A container that houses the adsorbent monolith on the inside, A gas separator comprising the aforementioned mixture as its main component, an adhesive filled between the adsorbent monolith and the container, and bonding the adsorbent monolith and the container together.

2. A gas separator according to claim 1, A gas separator in which the adsorbent content in the mixture within the adsorbent monolith is 80% or more by weight.

3. A gas separator according to claim 2, A gas separator in which the adsorbent content in the mixture in the adhesive is 80% or more by weight.

4. A method for manufacturing a gas separator, A preparation step of preparing an adsorbent monolith by forming a mixture containing an adsorbent that adsorbs a specific gas and a binder into a monolithic structure, A storage step of housing the adsorbent monolith inside the container, A method for manufacturing a gas separator, comprising: an bonding step of filling the space between the adsorbent monolith and the container with an adhesive mainly composed of the aforementioned mixture to bond the adsorbent monolith and the container together.

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