WO2024257815A1 - Système de circulation de ressources pour matériaux à base de ciment/béton - Google Patents

Système de circulation de ressources pour matériaux à base de ciment/béton Download PDF

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WO2024257815A1
WO2024257815A1 PCT/JP2024/021400 JP2024021400W WO2024257815A1 WO 2024257815 A1 WO2024257815 A1 WO 2024257815A1 JP 2024021400 W JP2024021400 W JP 2024021400W WO 2024257815 A1 WO2024257815 A1 WO 2024257815A1
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cement
concrete
derived
calcium
data
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Japanese (ja)
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泰一郎 森
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Denka Co Ltd
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Denka Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services

Definitions

  • the present invention relates to a resource circulation system for cement and concrete materials that manages the resource circulation of cement and concrete materials.
  • Total zero emissions means that the total amount of greenhouse gas emissions, including carbon dioxide ( CO2 ), will be subtracted from the amount of absorption by afforestation, forest management, etc., to make the total essentially zero.
  • CO2 carbon dioxide
  • CCUS carbon capture, utilization, and storage
  • CCUS technology a technology is expected to use CO 2 recovered from exhaust gas during cement production and CaO components as already decarbonated calcium (Ca) derived from waste materials such as concrete waste and by-products of concrete production as raw materials, etc., as an alternative raw material for limestone (main component: CaCO 3 ) in cement production.
  • a carbonation technology is effective in which CO 2 recovered from exhaust gas during cement production is brought into contact with resources such as Ca and magnesium (Mg) to convert it into chemically stable carbonate resources such as CaCO 3 and magnesium carbonate (MgCO 3 ).
  • an object of the present invention is to provide a resource circulation system for cement/concrete-based materials that can clarify whether or not the Ca used has been produced from already decarbonated Ca derived from waste, etc., by managing data on the amount of limestone-derived calcium and data on the amount of calcium derived from waste, etc., which are resources used to produce cement/concrete-based materials such as cement, mortar, and concrete, and that can lead to a reduction in non-energy origin CO2 emissions by understanding the amount of non-energy origin CO2 emissions in the movement of cement/concrete-based materials (from production to disposal).
  • the present invention was completed based on the above findings.
  • the present invention is as follows.
  • a resource circulation system for cement-concrete-based materials comprising nodes each forming a network and managing data related to the production of cement-concrete-based materials, wherein at least one of the nodes calculates an amount of limestone-derived calcium derived from limestone as a raw material among calcium used in the production of the cement-concrete-based material, generates calculated limestone-derived calcium amount data, and records the limestone-derived calcium amount data in the network, at least one of the nodes calculates an amount of already decarbonated calcium derived from waste or the like as a raw material made from waste or by-products among calcium used in the production of the cement-concrete-based material, generates calculated waste-derived calcium amount data, and records the waste-derived calcium amount data in the network, and at least one of the nodes links the limestone-derived calcium amount data and the waste-derived calcium amount data to cement-concrete-based material data assigned to the produced cement-concrete-based material, and records the linked cement-concrete-based material data in the network.
  • the resource circulation system for cement/concrete-based materials according to any one of [1] to [3], wherein the cement/concrete-based material is at least one of cement, mortar, and concrete.
  • [5] The resource circulation system for cement/concrete-based materials according to any one of [1] to [4], wherein the limestone-derived calcium and the waste-derived calcium are identified by a method of comprehensively judging from the results of analysis of particle shape observation by SEM, trace element quantification by XRF, and trace element quantification by ICP-OES.
  • [6] A resource circulation system for cement/concrete-based materials described in any one of [1] to [5], wherein the network is a blockchain network.
  • a resource circulation system for cement/concrete-based materials according to any one of [1] to [6], wherein at least one of the nodes adds data on energy-origin CO2 emissions when using limestone-derived calcium made from limestone as a raw material to the limestone-derived calcium amount data, and at least one of the nodes adds data on energy-origin CO2 emissions when using already decarbonated calcium derived from waste, etc., made from waste/by-products as raw materials, to the waste-derived calcium amount data.
  • the present invention by managing data on the amount of limestone-derived calcium and data on the amount of calcium derived from waste, etc., which are resources used to produce cement/concrete-based materials, it is possible to clarify whether the Ca used has been produced from already decarbonated Ca derived from waste, etc., and by understanding the amount of non-energy origin CO2 emissions in the movement of cement/concrete-based materials (from production to disposal), it is possible to provide a resource circulation system for cement/concrete-based materials that can lead to a reduction in non-energy origin CO2 emissions.
  • FIG. 1 is a conceptual diagram showing an example of a resource circulation system for cement/concrete-based materials according to an embodiment of the present invention.
  • a resource circulation system 1 for cement/concrete-based materials includes nodes 10, 20, 30, 40, 50, and 60, each of which constitutes a network 100 and manages data related to the production of cement/concrete-based materials.
  • the cement/concrete-based materials are at least one of cement, mortar, and concrete.
  • the network 100 of the present invention connects nodes on an information and communication network, and processes and records limestone-derived calcium amount data, waste-derived calcium amount data, and cement/concrete-based material data in a distributed manner using encryption technology.
  • the network 100 is an information and communication network such as the Internet, an intranet, a cloud network, or a blockchain network, and is preferably a blockchain network among others.
  • By having the network 100 be a blockchain network it is possible to achieve high availability and data integrity by having a large number of distributed nodes hold the above data, which has a data structure that makes it easy to detect tampering using electronic signatures and hash pointers. It is preferable to adopt a consortium-type blockchain as the blockchain network, but other formats such as a public-type blockchain may also be used.
  • the number of nodes in the resource circulation system 1 for cement/concrete-based materials is six in Fig. 1, but is not limited to six and may be five or less, or seven or more.
  • the nodes in the resource circulation system 1 for cement/concrete-based materials are connected to each other via a network 100 so as to be able to communicate with each other.
  • Each node includes a storage unit capable of storing the above data.
  • a storage unit for example, a storage medium such as a ROM, a RAM, or a hard disk can be adopted.
  • Each node includes an input unit that inputs and stores data in the memory unit.
  • the input unit may be a user interface of an information processing device, such as a mouse, a keyboard, a touch panel, or a voice input device.
  • At least one of the nodes 10 constituting the network 100 calculates the amount of Ca derived from limestone, which is made from limestone as a raw material, among the calcium used in the production of cement/concrete-based materials.
  • a method for calculating the amount of Ca derived from limestone, which is made from limestone as a raw material, will be described later.
  • the node 10 generates limestone-derived calcium amount data 12 from the calculated amount of limestone-derived Ca, which is made from limestone as a raw material.
  • the limestone-derived calcium amount data 12 is data on the amount of limestone-derived Ca, which is made from limestone as a raw material, among the calcium used in cement/concrete-based materials.
  • the node 10 records the limestone-derived calcium amount data 12 in the memory unit 11 included in the node 10. Recording the limestone-derived calcium amount data 12 in the memory unit 11 included in the node 10 constituting the network 100 is synonymous with recording the limestone-derived calcium amount data 12 in the network 100.
  • At least one node 20 constituting the network 100 calculates the amount of Ca derived from already decarbonated waste, etc., derived from waste, etc., made from waste and by-products as raw materials, out of the calcium used in the production of cement/concrete-based materials.
  • a method for calculating the amount of Ca derived from already decarbonated waste, etc., derived from waste, etc., made from waste and by-products as raw materials, will be described later.
  • the node 20 generates waste-derived calcium amount data 22 from the calculated amount of already decarbonated waste-derived calcium derived from waste using waste and by-products as raw materials.
  • the waste-derived calcium amount data 22 is data on the amount of already decarbonated waste-derived Ca derived from waste using waste and by-products as raw materials out of the calcium used in cement/concrete-based materials. Then, the node 20 records the waste-derived calcium amount data 22 in the memory unit 21 included in the node 20. Recording the waste-derived calcium amount data 22 in the memory unit 21 included in the node 20 constituting the network 100 is synonymous with recording the waste-derived calcium amount data 22 in the network 100.
  • Amount of CaCO 3 1.785CaO - 1.250SO 3 - 2.274CO 2 + 2.483MgO + 3.229Na 2 O + 2.126K 2 O... (2)
  • the contents (mass%) of the chemical compositions CaO, SO 3 MgO, Na 2 O, and K 2 O in the target cement-concrete material, and the CO 2 content (mass%) are obtained.
  • the contents (mass%) of the chemical compositions in the cement-concrete material and the CO 2 content (mass%) can be obtained by analysis, and the CO 2 content (mass%) can be calculated, for example, by total carbon analysis of the gas released by completely oxidizing the target material by overheating, or by infrared analysis of CO 2.
  • the contents (mass%) of the chemical compositions in the target cement-concrete material and the CO 2 content (mass%) are substituted into formula (2) to calculate the amount of calcium carbonate (CaCO 3 amount) in the cement-concrete material.
  • the calculated amount of calcium carbonate (CaCO 3 amount) corresponds to the amount of calcium carbonate derived from limestone and wastes and by-products that have already been decarbonated and derived from wastes.
  • equation (3) is shown for calculating the amount of calcium oxide (CaO amount) contained in calcium carbonate from the amount of calcium carbonate ( CaCO3 amount) in a cement-concrete-based material calculated by equation (2).
  • CaO amount in CaCO 3 CaCO 3 amount x
  • CaO molecular weight (56.08g/mol)/CaCO 3 molecular weight (100.087g/mol) CaCO 3 amount x 0.5604...(3)
  • the net amount of calcium oxide (CaO amount) in the cement-concrete-based material is calculated by subtracting the amount of calcium oxide (CaO amount) contained in calcium carbonate (CaCO 3 ) and gypsum (CaSO 4 ) from the calcium oxide content (mass %) in the cement-concrete-based material.
  • the calculated net amount of calcium oxide (CaO amount) corresponds to the amount of CaO that has already been decarbonated from waste, etc.
  • Examples of already decarbonated waste-derived calcium derived from wastes using wastes and by-products as raw materials include by-product slaked lime such as acetylene by-product slaked lime, waste concrete blocks, fine powder generated from waste concrete blocks, concrete sludge (dehydrated cake) generated in ready-mixed concrete plants and concrete product plants, incineration ash (coal ash, woody biomass, municipal waste incineration ash, sewage sludge incineration ash, etc.), steel slag (converter slag, electric furnace slag, etc.), biomass such as scallop shells and egg shells, etc.
  • by-product slaked lime such as acetylene by-product slaked lime, waste concrete blocks, fine powder generated from waste concrete blocks, concrete sludge (dehydrated cake) generated in ready-mixed concrete plants and concrete product plants
  • incineration ash coal ash, woody biomass, municipal waste incineration ash, sewage sludge incineration
  • by-product slaked lime which has a lower impurity content than already decarbonated waste-derived calcium derived from wastes using other wastes and by-products as raw materials.
  • by-product slaked lime include acetylene by-product slaked lime such as by-product slaked lime produced in the acetylene gas production process by the calcium carbide method (wet type and dry type depending on the acetylene gas production method), by-product slaked lime contained in dust captured in the wet dust collection process of a calcium carbide electric furnace, etc.
  • By-product slaked lime contains, for example, 65 to 95% (preferably 70 to 90%) calcium hydroxide, 1 to 10% calcium carbonate, and 0.1 to 6.0% (preferably 0.1 to 3.0%) iron oxide. These proportions can be confirmed by fluorescent X-ray measurement and mass loss determined by differential thermogravimetric analysis (TG-DTA) (Ca(OH) 2 : around 405°C to 515°C, CaCO 3 : around 650°C to 765°C).
  • the volume average particle size measured by the laser diffraction/scattering method is about 50 to 100 ⁇ m.
  • the moisture content measured by the loss on drying method in JIS K 0068 "Method for measuring moisture content of chemical products" is preferably 10% or less.
  • sulfur compounds such as CaS, Al 2 S 3 , and CaC 2 ⁇ CaS may be contained, but it is preferable that the content is 2% or less.
  • At least one node 30 constituting the network 100 links the limestone-derived calcium amount data 12 and the waste-derived calcium amount data 22 to cement/concrete-based material data 32 assigned to the produced cement/concrete-based material. Then, the node 30 records the cement-concrete material data 32 linked to the limestone-derived calcium amount data 12 and the waste-derived calcium amount data 22 in a memory unit 31 provided in the node 30. Recording the cement-concrete material data 32 linked to the limestone-derived calcium amount data 12 and the waste-derived calcium amount data 22 in a memory unit 31 provided in the node 30 constituting the network 100 is equivalent to recording the cement-concrete material data 32 linked to the limestone-derived calcium amount data 12 and the waste-derived calcium amount data 22 in the network 100.
  • At least one node 40 constituting the network 100 refers to the cement/concrete-based material data 32, grasps the movement of the produced cement/concrete-based material, and creates tracking data (not shown) in the network 100. Then, the node 40 records the tracing data in the storage unit 41 included in the node 40. Recording the tracing data in the storage unit 41 included in the node 40 constituting the network 100 is synonymous with recording the tracing data in the network 100.
  • At least one node 50 constituting the network 100 calculates the ratio of limestone-derived calcium in the calcium used in the production of the cement-concrete-based material by referring to the cement-concrete-based material data 32 linked to the limestone-derived calcium amount data 12 and the waste-derived calcium amount data 22, and creates ratio calculation data (not shown).Then, the node 50 refers to the ratio calculation data, identifies cement-concrete-based materials in which the ratio of limestone-derived calcium is 98% or less, and records in the cement-concrete-based material data 32 of the cement-concrete-based material in which the ratio of limestone-derived calcium is 98% or less to the effect that the ratio is an excellent ratio.
  • the node 50 records the ratio calculation data in the storage unit 51 included in the node 50.
  • Recording the ratio calculation data in the storage unit 51 included in the node 50 constituting the network 100 is synonymous with recording the ratio calculation data in the network 100.
  • the identification threshold is not limited to 98%, and may be, for example, 96% or 94%, which provides a sufficient effect of reducing CO2 emissions.
  • At least one node 60 constituting the network 100 creates raw material identification data (not shown) that identifies whether the calcium used in the production of the cement/concrete material is limestone-derived calcium or waste-derived calcium.
  • the node 60 can create the raw material identification data by referring to the cement/concrete material data 32 linked to the limestone-derived calcium amount data 12 and the waste-derived calcium amount data 22.
  • the node 60 can include in the raw material identification data the ratio of calcium derived from limestone and calcium derived from waste materials, etc., in the calcium used in the production of cement/concrete-based materials. Then, the node 60 records the ingredient identification data in the storage unit 61 included in the node 60.
  • Recording the ingredient identification data in the storage unit 61 included in the node 60 constituting the network 100 is synonymous with recording the ingredient identification data in the network 100.
  • Methods for identifying whether calcium used in the production of cement/concrete-based materials is limestone-derived calcium or waste-derived calcium include, in addition to referring to the cement/concrete-based material data 32, observation of particle shape by SEM, quantitative analysis of trace elements by XRF, and quantitative analysis of trace elements by ICP-OES. It is preferable to comprehensively determine the identification of calcium used in the production of cement/concrete-based materials from the results of observation of particle shape by SEM, quantitative analysis of trace elements by XRF, and quantitative analysis of trace elements by ICP-OES.
  • the limestone-derived calcium amount data 12 and the waste or the like-derived calcium amount data 22 are linked to the cement/concrete-based material data 32 assigned to the produced cement/concrete-based material. Therefore, by referring to the cement/concrete-based material data 32, it is possible to clarify whether the limestone used as a raw material has been produced based on already decarbonated Ca derived from waste or the like, and the amount of waste or the like-derived calcium used as a raw material.
  • data on the amount of calcium derived from limestone and data on the amount of calcium derived from waste, etc., which are resources used to produce cement/concrete materials are managed, and by ensuring that the majority of the limestone used as a raw material is produced from already decarbonated Ca derived from waste, etc., it becomes possible to reduce non-energy origin CO2 emissions by reducing the amount of natural limestone used, which can lead to a reduction in CO2 emissions.
  • the resource circulation system 1 for cement/concrete-based materials may further include a node and a storage unit (not shown) for handling ownership data related to the ownership of the cement/concrete-based materials and resources used to produce the cement/concrete-based materials.
  • the ownership data is data indicating the origin and location of the cement/concrete-based materials and resources, and is data for managing the origin and location of the cement/concrete-based materials and resources.
  • the ownership data is recorded in the network 100 so as to move with the movement of the cement/concrete-based materials and resources, and thus the current location, as well as the origin and past locations of the cement/concrete-based materials and resources, can be managed.
  • Owners recorded as ownership data include, but are not limited to, manufacturers and importers/exporters who may own cement/concrete materials and resources, demolition companies, recycling companies, consulting companies, design companies, construction companies, research institutes, owners of cement/concrete frameworks, transporters, trading companies, agents, wholesalers/cooperatives, etc. When there are two or more owners, the owner recorded as ownership data can be recorded as a co-owner.
  • the resource circulation system 1 for cement/concrete-based materials can be a system that includes data on energy origin CO2 emissions.
  • the resource circulation system 1 for cement/concrete-based materials be a system that includes data on energy origin CO2 emissions, it is possible to grasp the total CO2 emissions that are the sum of non-energy origin CO2 emissions and energy origin CO2 emissions, and contribute to reducing the total CO2 emissions.
  • At least one node 10 constituting the network 100 adds data on the amount of energy-origin CO2 emissions when using limestone-derived Ca made from limestone as a raw material to the limestone-derived calcium amount data 12.
  • the data on the amount of energy-origin CO2 emissions when using limestone-derived Ca made from limestone as a raw material includes data on the amount of CO2 emissions emitted up to the production of limestone-derived Ca (first energy-origin CO2 emissions) and data on the amount of CO2 emissions emitted up to the production of a cement/concrete material using limestone-derived Ca (second energy-origin CO2 emissions).
  • the first energy-derived CO2 emission is, for example, the total amount of CO2 emission emitted until limestone-derived Ca is obtained through raw material procurement, manufacturing, logistics, sales, etc.
  • the second energy-derived CO2 emission is, for example, the total amount of CO2 emission emitted until limestone-derived Ca becomes a cement/concrete material through fuel combustion, electricity use, etc.
  • At least one node 20 constituting the network 100 adds data on the amount of CO2 emission from energy origin when using already decarbonated Ca derived from waste, etc., using waste and by-products as raw materials, to the waste-derived calcium amount data 22.
  • the data on the amount of CO2 emission from energy origin when using already decarbonated Ca derived from waste, etc., using waste and by-products as raw materials includes data on the amount of CO2 emission (third energy-derived CO2 emission) emitted until already decarbonated Ca derived from waste, etc. is produced, and data on the amount of CO2 emission (fourth energy-derived CO2 emission) emitted until cement/concrete-based materials are produced using already decarbonated Ca derived from waste, etc.
  • the third energy-origin CO2 emission is, for example, the total amount of CO2 emission emitted until already decarbonated Ca derived from waste, etc., using waste and by-products as raw materials in raw material procurement, manufacturing, logistics, sales, etc. is obtained.
  • the fourth energy-origin CO2 emission is, for example, the total amount of CO2 emission emitted until already decarbonated Ca derived from waste, etc., using waste and by-products as raw materials, becomes a cement/concrete material by burning fuel , using electricity, etc.
  • data on the amount of energy-origin CO2 emissions when using limestone-derived Ca, which is made from limestone as a raw material is added to the limestone-derived calcium amount data 12
  • data on the amount of energy-origin CO2 emissions when using already decarbonated waste-derived Ca, which is made from waste and by-products as raw materials is added to the waste-derived calcium amount data 22 , thereby making it possible to create a resource circulation system for cement/concrete-based materials that makes it possible to grasp the total CO2 emissions including the amount of energy-origin CO2 emissions.
  • the present invention relates to resource circulation in the cement field.
  • By managing data on the amount of limestone-derived calcium in circulating cement/concrete material resources and data on the amount of already decarbonated calcium derived from waste, etc. via a network it becomes possible to grasp the amount of non-energy origin CO2 emissions in the movement of cement (from production to disposal), which can lead to a reduction in CO2 emissions.
  • the present invention can contribute to grasping the total CO2 emissions, which is the sum of non-energy origin CO2 emissions and energy origin CO2 emissions, in resource circulation in the cement field, and to reducing the total CO2 emissions.
  • Reference Signs List 1 Resource circulation system for cement and concrete materials 10, 20, 30, 40, 50, 60 Nodes 11, 21, 31, 41, 51, 61 Storage unit 12 Limestone-derived calcium amount data 22 Waste-derived calcium amount data 32 Cement and concrete material data 100 Network

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Abstract

L'invention concerne un système de circulation de ressources pour matériaux à base de ciment/béton, qui clarifie si le calcaire utilisé est fabriqué ou non à partir de Ca déjà décarbonaté dérivé de déchets et analogues en gérant, pour des ressources utilisées pour produire les matériaux à base de ciment/béton, des données relatives à la quantité de calcium dérivé de déchets et analogues et des données relatives à la quantité de calcium dérivé de calcaire, et qui est apte à réduire la quantité d'émission de CO2 non lié aux énergies par la détermination de la quantité d'émission de CO2 non lié aux énergies dans l'évolution (de la production à l'élimination) des matériaux à base de ciment/béton.　Un système de circulation de ressources (1) destiné à des matériaux à base de ciment/béton est pourvu de nœuds qui constituent chacun un réseau (100) et qui gèrent des données relatives à la production de matériau à base de ciment/béton. Au moins, un nœud (10) enregistre des données de quantité de calcium dérivé de calcaire (12) dans le réseau (100). Au moins, un nœud (20) enregistre des données de quantité de calcium dérivé de déchets et analogue (22) dans le réseau (100). Au moins, un nœud (30) relie les données de quantité de calcium dérivé de calcaire (12) et les données de quantité de calcium dérivé de déchets et analogue (22) à des données de matériau à base de ciment/béton (32), qui sont données aux matériaux à base de ciment/béton produits, et enregistre les données de matériau à base de ciment/béton liées (32) vers le réseau (100).
PCT/JP2024/021400 2023-06-13 2024-06-12 Système de circulation de ressources pour matériaux à base de ciment/béton Ceased WO2024257815A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008184366A (ja) * 2007-01-30 2008-08-14 Tateho Chem Ind Co Ltd 立方体状酸化マグネシウム粉末及びその製法
JP2014117636A (ja) * 2012-12-13 2014-06-30 Sumitomo Osaka Cement Co Ltd セメント含有廃棄物の利用方法
JP2019163379A (ja) * 2018-03-19 2019-09-26 三菱ケミカル株式会社 変性ビニルアルコール系樹脂
WO2020202730A1 (fr) * 2019-03-29 2020-10-08 株式会社応用科学研究所 Appareil d'analyse par rayons x
WO2022092278A1 (fr) * 2020-10-30 2022-05-05 旭化成株式会社 Procédé d'authentification, système d'authentification et programme
WO2022149501A1 (fr) * 2021-01-06 2022-07-14 株式会社デンソー Procédé de gestion d'informations et procédé de fourniture d'informations
WO2022240906A1 (fr) * 2021-05-11 2022-11-17 Strong Force Vcn Portfolio 2019, Llc Systèmes, procédés, kits et appareils de mémorisation et d'interrogation distribués en périphérie dans des réseaux à chaîne de valeur

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008184366A (ja) * 2007-01-30 2008-08-14 Tateho Chem Ind Co Ltd 立方体状酸化マグネシウム粉末及びその製法
JP2014117636A (ja) * 2012-12-13 2014-06-30 Sumitomo Osaka Cement Co Ltd セメント含有廃棄物の利用方法
JP2019163379A (ja) * 2018-03-19 2019-09-26 三菱ケミカル株式会社 変性ビニルアルコール系樹脂
WO2020202730A1 (fr) * 2019-03-29 2020-10-08 株式会社応用科学研究所 Appareil d'analyse par rayons x
WO2022092278A1 (fr) * 2020-10-30 2022-05-05 旭化成株式会社 Procédé d'authentification, système d'authentification et programme
WO2022149501A1 (fr) * 2021-01-06 2022-07-14 株式会社デンソー Procédé de gestion d'informations et procédé de fourniture d'informations
WO2022240906A1 (fr) * 2021-05-11 2022-11-17 Strong Force Vcn Portfolio 2019, Llc Systèmes, procédés, kits et appareils de mémorisation et d'interrogation distribués en périphérie dans des réseaux à chaîne de valeur

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