WO2023276975A1 - Management method and collection method for resin waste, and recycle management system - Google Patents

Abstract

Provided is a management method for resin waste, said method comprising managing resin waste X1, which is processing waste of a resin molded body, in association with information X1 pertaining to the resin waste X1.

Description

Management method and collection method of resin waste, and recycling management system

The present disclosure relates to a resin scrap management method and collection method, and a recycling management system.

Plastic lenses, which are lenses containing resin, are lighter than inorganic lenses, are less likely to crack, and can be dyed.
For example, various studies have been made so far on lenses containing polythiourethane resin (see, for example, Patent Documents 1 to 3).

On the other hand, in recent years, due to the problem of global warming, technologies related to recycling for reducing environmental load have been studied.
For example, a CO2 reduction credit calculation system is disclosed that uses wastewater oils and fats to reduce CO2 and calculates CO2 reduction credits based on this reduction (see, for example, Patent Document 4). In this system, the input information is used to calculate the CO2 reduction amount, and the CO2 reduction credit is calculated based on the CO2 reduction amount.

Patent Document 1: JP-A-63-46213 Patent Document 2: JP-A-2-270859 Patent Document 3: JP-A-7-252207 Patent Document 4: Patent No. 6763594

A lens (for example, a spectacle lens) containing polythiourethane resin is manufactured by processing (for example, cutting) a molded body containing polythiourethane resin. As a result, in the lens manufacturing process, a large amount of processing waste (for example, cutting processing waste) containing polythiourethane resin is generated as waste. Conventionally, processing scraps as waste have been either burned or buried as industrial waste, and have not been effectively utilized.
However, due to the social demand for environmental consideration, as a recycling technology for polythiourethane resin, processing waste containing polythiourethane resin as waste is subjected to some kind of treatment (for example, chemical decomposition treatment), A technique for obtaining raw materials for polythiourethane resins (that is, raw materials for producing polythiourethane resins; for example, polythiol compositions and polyisocyanate compounds) is desired.
Furthermore, in order to effectively realize the recycling of polythiourethane resin, processing scraps containing polythiourethane resin can be processed in a manner that can be easily determined (for example, recycling, abandonment, etc.). management. This is because, for example, from the viewpoint of life cycle assessment, etc., it may be desirable to dispose of processing waste rather than recycling it, depending on the information on the processing waste (for example, the type of resin contained). In addition, when processing waste is to be recycled, the appropriate processing for recycling may differ depending on the information on the processing waste.

This is not limited to the recycling of processing waste containing polythiourethane resin, but resin waste that is processing waste of resin moldings (for example, resin moldings for manufacturing spectacle lenses made of resin other than polythiourethane resin) can be recycled into this resin. It may be desirable to have a method of managing waste in a manner that makes it easy to determine what to do with it (eg, recycle, discard, etc.).

In addition, in realizing the recycling of resin waste, which is processing waste of resin molded bodies, collected resin waste, recycled raw materials obtained by reusing this resin waste (for example, the above-mentioned polythiourethane resin raw material), And it is effective to manage information on products using this recycled raw material (for example, the above-mentioned spectacle lens) in a traceable manner. This is because it is effective to accumulate such information in a traceable form in order to ensure the quality of products using recycled raw materials. It is also effective to utilize the accumulated information to improve the recycling process.

An object of one aspect of the present disclosure is a resin scrap management method capable of managing resin scrap, which is processing powder of a resin molded body, in a manner in which a treatment to be applied to the resin scrap can be easily determined, and Another object of the present invention is to provide a method for collecting resin scraps, which can collect resin scraps managed by this management method.
An object of another aspect of the present disclosure is to manage information on collected resin scraps, recycled materials obtained by reusing the resin scraps, and products using the recycled materials in a traceable manner. To provide a recycling management system that can

Means for solving the above problems include the following aspects.
<1> A method of managing resin waste, including managing resin waste X1, which is processing powder of a resin molding, in association with information X1 relating to the resin waste X1.
<2> Furthermore,
Preparing a first database in which information about resin scraps and whether or not the resin scraps are to be recycled by a chemical decomposition reaction are associated with each other;
a first determination of comparing the information X1 associated with the resin waste X1 with the first database to determine whether the resin waste X1 is to be recycled;
The method for managing resin waste according to <1>.
<3> Furthermore,
Preparing a second database that associates information on resin scraps with methods of chemically decomposing resin scraps;
When it is determined that the resin waste X1 is to be recycled in the first determination, the information X1 associated with the resin waste X1 is compared with the second database, and the chemical decomposition method of the resin waste X1 is performed. a second decision that determines
The method for managing resin waste according to <2>.
<4> The first determination is made based on the calculated value of the life cycle assessment, and if the calculated value is equal to or greater than a predetermined value, the resin waste X1 is determined to be the target of the recycling, and the calculation If the value is less than a predetermined value, it is determined that the resin waste X1 is not subject to the recycling;
The method for managing resin waste according to <2> or <3>.
<5> The management includes:
managing the resin waste X1 in a container;
at least one of imparting the information X1 to the container and causing the resin waste X1 to contain a component corresponding to the information X1;
including,
The method for managing resin waste according to any one of <1> to <4>.
<6> The information X1 includes information about the type of resin in the resin waste X1.
The method for managing resin waste according to any one of <1> to <5>.
<7> The resin molded body is a resin molded body for manufacturing spectacle lenses,
The method for managing resin waste according to <6>.
<8> A method for collecting resin waste, including collecting the resin waste X1 managed by the resin waste management method according to any one of <1> to <7>.

<9> A recycling management system having a first registration unit, a second registration unit, a third registration unit, and a fourth registration unit,
The first registration unit associates and registers identification information for tracking and collection information, which is information about resin waste that is collected processing waste of the resin molded body,
The second registration unit associates and registers the identification information and information regarding a chemical decomposition method predetermined for the resin waste,
The third registration unit associates and registers the identification information and decomposition information, which is information about recycled raw materials obtained by decomposing the resin waste by the chemical decomposition method,
The fourth registration unit associates and registers the identification information and reuse information, which is information about a product using the reuse raw material.
Recycle management system.
<10> The recycling management system according to <9>, wherein the collection information includes at least one of property information about the resin waste, product information before processing, and information about a collection source.
<11> The recycling management system according to <10>, wherein the property information includes information on a specific component capable of determining that the resin waste is to be reused.
<12> Each of the registration in the first registration unit, the registration in the second registration unit, the registration in the third registration unit, and the registration in the fourth registration unit is represented by a sequence of blocks indicating each step of registration. The recycling management system according to any one of <9> to <11>, wherein the hash value calculated in the previous block is recorded as the identification information.
<13> The decomposition information includes the result of analyzing the content of impurities in the recycled raw material,
The recycling management system according to any one of <9> to <12>.
<14> The reuse information includes an evaluation value of environmental friendliness calculated from the usage ratio of the reused raw materials in the product.
The recycling management system according to any one of <9> to <13>.
<15> Having a database in which the information of the resin waste and the application criteria of the chemical decomposition method are associated,
changing the application criteria of the chemical decomposition method based on the evaluation value;
The recycling management system according to <14>.

<16> Receiving a search using at least one of the identification information, the collection information, the information on the chemical decomposition method, the decomposition information, and the reuse information as a search key;
Search for identification information associated with information corresponding to the search key together with the recovery information, the information on the chemical decomposition method, the decomposition information, and the reuse information registered in association with the identification information. presented as a result,
The recycling management system according to any one of <9> to <15>.
<17> The decomposition information includes information on success or failure of decomposition,
Accepts a search with failure as a search key,
The identification information associated with the decomposition information including failure of decomposition, together with the recovery information, the information on the chemical decomposition method, the decomposition information, and the reuse information registered in association with the identification information. present,
The recycling management system according to any one of <9> to <16>.
<18> Receiving a search using the product using the recycled raw material as a search key,
identification information associated with the reuse information corresponding to the product corresponding to the search key, the collection information registered in association with the identification information, the information on the chemical decomposition method, the decomposition information, and presented as a search result together with the reuse information;
The recycling management system according to any one of <9> to <17>.

According to one aspect of the present disclosure, a method for managing resin waste, which is capable of managing resin waste, which is processing powder of a resin molded body, in a manner in which a treatment to be applied to the resin waste can be easily determined; There is provided a method for collecting resin scraps, which can collect resin scraps managed by this management method.
In addition, according to another aspect of the present disclosure, information on collected resin scraps, recycled raw materials obtained by reusing the resin scraps, and products using the recycled raw materials can be tracked. A recycling management system is provided that can be managed by

FIG. 2 is a conceptual diagram showing an example of a mode in which a component corresponding to information X1 is contained in resin waste X1 in one embodiment of the resin waste management method of the present disclosure. FIG. 2 is a conceptual diagram showing an example of a manner in which information X1 is given to a container containing resin waste X1 in one embodiment of the resin waste management method of the present disclosure. FIG. 2 is a conceptual diagram showing an example of a processing routine including a first determination in one embodiment of the resin waste management method of the present disclosure; FIG. 4 is a conceptual diagram showing an example of a processing routine including a second determination in one embodiment of the resin waste management method of the present disclosure; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a conceptual diagram showing an example of a business model for recycling eyeglass lenses to which an embodiment of a resin waste management method of the present disclosure can be applied; 1 is a block diagram showing a hardware configuration in one embodiment of a recycling management system of the present disclosure; FIG. 1 is a diagram showing a functional configuration in one embodiment of a recycling management system of the present disclosure; FIG. It is a figure which shows an example of the 1st registration information in one Embodiment of the recycling management system of this indication. FIG. 4 is a diagram showing an example of second registration information in one embodiment of the recycling management system of the present disclosure; FIG. FIG. 4 is a diagram showing an example of third registration information in one embodiment of the recycling management system of the present disclosure; FIG. FIG. 10 is a diagram showing an example of fourth registration information in one embodiment of the recycling management system of the present disclosure; FIG. 4 is a diagram showing an example of a search interface in one embodiment of the recycling management system of the present disclosure; FIG. FIG. 4 is a diagram showing an example of search results when searching by identification information in one embodiment of the recycling management system of the present disclosure; FIG. 4 is a diagram showing an example of a registration processing routine in one embodiment of the recycling management system of the present disclosure; FIG. FIG. 4 is a diagram showing an example of a search processing routine in one embodiment of the recycling management system of the present disclosure; FIG. FIG. 4 is a diagram showing an example of management of registration processing by blockchain in one embodiment of the recycling management system of the present disclosure;

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings as necessary.
The same or equivalent components and parts are provided with the same reference numerals in each drawing. Also, the dimensional ratios in the drawings are exaggerated for convenience of explanation, and may differ from the actual ratios.

[Resin waste management method]
The resin waste management method of the present disclosure includes managing resin waste X1, which is processing waste of resin moldings, in association with information X1 regarding resin waste X1.
Conventionally, processing scraps of resin moldings have been treated as mere waste without any information attached or associated with any information.
On the other hand, in the resin waste management method of the present disclosure, the resin waste X1, which is the processing waste of the resin molded body, is managed in association with the information X1 regarding the resin waste X1.
As a result, it is possible to manage the resin waste X1, which is the processing waste of the resin molded body, in a manner in which the treatment to be applied to the resin waste X1 can be easily determined.
The treatment to be performed on the resin waste X1 includes disposal, recycling (specifically, reuse) by chemical decomposition reaction, and the like.

The resin waste X1 is processing waste of resin moldings.
Here, the processing waste of the resin molded body means waste (that is, unnecessary parts) generated when the resin molded body is processed to obtain a product (for example, a spectacle lens).
There is no particular limitation on the form of the resin waste, which is processed waste.
Examples of resin waste include resin powder, resin lumps, and resin pieces.
Processing waste of the resin molding includes, for example, cutting processing waste (for example, cutting processing powder), polishing processing waste, grinding processing waste, pulverization processing waste, resin pieces generated by cracks or chips during processing, and the like.

The resin waste X1 contains resin as a main component.
In the present disclosure, a main component refers to a component with a content of 50% by mass or more.
The ratio of resin to the total amount of resin waste X1 is preferably 60% by mass or more, more preferably 80% by mass or more.
The resin in the resin waste X1 may be of only one type or of two or more types.

The resin scrap X1 is
Poly(thio)urethane resin, episulfide resin, polycarbonate resin, polyester resin, polyamide resin, polyimide resin, poly(meth)acrylate resin, polyolefin resin, poly(thio)urethane urea resin, polysulfide resin, poly(meth)(thio) It preferably contains at least one selected from the group consisting of acrylate resins, allyldiglycol carbonate resins, and allyldiglycidyl carbonate resins,
More preferably, at least one selected from the group consisting of polythiourethane resins, episulfide resins, polycarbonate resins, poly(meth)acrylate resins, and allyldiglycol carbonate resins,
More preferably, it contains a polythiourethane resin.
here,
Poly(thio)urethane resin represents polyurethane resin or polythiourethane resin,
Poly(meth)acrylate resin represents a polyacrylate resin or a polymethacrylate resin,
Poly(thio)urethane urea resin represents polyurethane urea resin or polythiourethane resin,
Poly(meth)(thio)acrylate resin stands for polyacrylate resin, polythioacrylate resin, polymethacrylate resin or polythiomethacrylate resin.
These resins are suitable, for example, as resins in resin moldings for manufacturing spectacle lenses.

The resin waste X1 may contain components other than resin.
Components other than the resin include resin additives, moisture, oil (for example, grinding oil), abrasives, surfactants, acids, alkalis, and the like.

The information X1 related to the resin waste X1, which is associated with the resin waste X1, includes, for example, property information of the resin waste X1.
As the property information of the resin scrap X1, for example,
Property information of the resin in the resin waste X1 (for example, information such as the type of resin, specific gravity, etc.),
Information on the content of resin in the resin scrap X1,
Property information (e.g., type, specific gravity, etc.) of components other than resin in the resin scrap X1 (e.g., moisture, oil (e.g., grinding oil), abrasives, surfactants, acids, alkalis, etc.),
Information on the content of components other than the resin in the resin scrap X1,
etc.
The information X1 may be only one piece of information or may be two or more pieces of information.

The information X1 on the resin waste X1 preferably includes information on the type of resin in the resin waste X1. Thereby, it is possible to more easily determine the treatment to be performed on the resin waste X1. In particular, it is possible to more easily determine whether or not the resin waste X1 is to be recycled by a chemical decomposition reaction.
Here, the type of resin may be specified by the type of monomer for forming this resin (monomer composition ratio when formed from two or more types of monomers).

In the management method of the resin waste of this indication, management of the resin waste X1 is managed in the state accommodated in the container, for example.
Management of the resin waste X1 in this case may include at least one of giving the information X1 to the container and making the resin waste X1 contain the component corresponding to the information X1.
This aspect is excellent in readability of the information X1.
From the viewpoint of making it easier to ensure the traceability of the resin waste X1, it is preferable that the management of the resin waste X1 includes making the resin waste X1 contain a component corresponding to the information X1.

FIG. 1 is a conceptual diagram showing an example of a mode in which a component corresponding to information X1 is included in resin waste X1.
As shown in FIG. 1, in this example, resin waste 10 containing resin component 11 (an example of resin waste X1) contains component 12 corresponding to information X1.
In this example, if the component 12 can be detected by analyzing the resin waste 10, it can be determined that the resin waste 10 has the information X1.

As the information X1, information about the type of resin in the resin waste X1 includes, for example, information that "resin waste contains a specific type of resin A".
In this case, in the resin waste circulation system, if the resin waste contains a specific type of resin A, the resin waste is controlled so that the component 12 is included in the resin waste, thereby ensuring the traceability of the resin waste. be done.

The component 12 may be contained in advance in the resin molding that is the raw material of the resin waste 10 .
Further, in the processing step (for example, cutting step) and/or after processing (for example, after cutting) to obtain resin scraps by processing the resin molded body, component 12 is added to the resin scraps to obtain resin scraps 10. may

Component 12 includes, for example, a component containing an isotope element.
For example, as the component 12, a component obtained by changing a certain element (for example, carbon, hydrogen, etc.) in the resin component 11 to an isotope element can be used. In this case, since the properties of the component 12 and the properties of the resin component 11 are similar, the effect of adding the component 12 to the resin waste 10 containing the resin component 11 can be reduced.

FIG. 2 is a conceptual diagram showing an example of a manner in which information X1 is given to a container containing resin waste X1.
As shown in FIG. 2, in this example, a label 14 displaying information X1 is attached to a container 13 containing resin waste 10 as resin waste X1. Although the resin waste 10 in this example also contains the resin component 11 (not shown), the component 12 may or may not be contained.
In the label 14, the information X1 may be displayed by visually readable characters, or may be displayed by a code (bar code, dot code, etc.) readable by a reader.

When the information X1 is the information that "resin scrap contains a specific type of resin A", in the resin waste distribution system, when the resin waste contains the specific type of resin A, a container for containing the resin waste contains: By managing the label 14 displaying the information X1, the traceability of the resin waste is ensured.

The resin waste management method of the present disclosure includes:
Furthermore,
Preparing a first database in which information about resin scraps and whether or not the resin scraps are to be recycled by a chemical decomposition reaction are associated with each other;
a first decision for determining whether or not the resin waste X1 is to be recycled by comparing information X1 associated with the resin waste X1 with a first database;
may include
According to this aspect, by using the first database prepared in advance, it is easily determined whether or not the resin waste X1, which is the processing powder of the resin molding, is to be recycled by chemical decomposition reaction. be able to.

The first determination can be made from various viewpoints.
As an example, the first determination is made based on the calculated value of life cycle assessment (LCA), and if the calculated value is equal to or greater than a predetermined value, it is determined that the resin waste X1 is to be recycled, and the LCA If the calculated value is less than a predetermined value, it is determined that the resin waste X1 is not to be recycled (for example, to be discarded).
When the resin molded product is a resin molded product for manufacturing spectacle lenses, the calculated value of LCA is obtained in consideration of the entire life cycle of the spectacle lens.
Calculation of LCA can be performed according to a conventional method, and there is no particular limitation.

The resin waste management method of the present disclosure including the first determination includes:
Furthermore,
Preparing a second database that associates information on resin scraps with methods of chemically decomposing resin scraps;
a second decision for determining a chemical decomposition method for the resin waste X1 by comparing the information X1 associated with the resin waste X1 with a second database when it is determined in the first determination that the resin waste X1 is to be recycled; ,
may include
According to this aspect, by using the second database prepared in advance, it is possible to easily determine the chemical decomposition method of the resin waste X1 when the resin waste X1 is to be recycled by the chemical decomposition reaction. can be done.

The first database and the second database may be formed independently or integrally.

Table 1 below is a table showing an image of the first database and the second database that are integrally formed.

In the example shown in Table 1, as the first database, "recyclable" information is associated with each of the resin waste information a1 to a3, and "recyclable" information is associated with each of the resin waste information a4 to a6. of information is associated.
The a1 to a6 are, for example, the property information of the resin contained in the resin waste, similar to the information X1 described above.
Whether or not each of a1 to a6 is recyclable is determined in advance based on some point of view (for example, life cycle assessment (LCA) calculated value).

In the example shown in Table 1, chemical decomposition methods m1 to m3 are associated with the information a1 to a3 indicating "recyclable" in the second database, respectively.
The chemical decomposition methods for each of a1 to a3 (ie, chemical decomposition methods m1 to m3) are determined, for example, based on the results of preliminary experiments.

FIG. 3 is a conceptual diagram showing an example of a processing routine including the first determination.
A processing routine according to this example will be described below.

The processing routine is started, and in step S100, the information X1 regarding the resin waste X1 is read.

Next, in step S102, the first database is read in which the information on the resin waste and whether or not the resin waste is to be recycled by a chemical decomposition reaction are associated with each other.

Next, in step S104, the information X1 associated with the resin waste X1 is compared with the first database to determine whether the resin waste X1 is to be recycled by chemical decomposition reaction (first determination).

When it is determined that the resin waste X1 is to be recycled, the process proceeds to step S106, and the resin waste X1 is managed as the recycling target. The example then further transitions to a processing routine (see FIG. 4) that includes a second determination.

When it is determined that the resin waste X1 is not to be recycled, the process proceeds to step S108, and the resin waste X1 is managed as non-recyclable (for example, as waste).

At step S110, if there is the next resin waste X1 to be processed, the process returns to step S100, and if there is no next resin waste X1, the processing routine ends.

FIG. 4 is a conceptual diagram showing an example of a processing routine including the second determination.
A processing routine according to this example will be described below.

　Proceeding from step S106 to step S200, in step S200, the second database in which the information on the resin waste and the chemical decomposition method of the resin waste are associated is read.

Next, as step S202, the information X1 associated with the resin waste X1 is compared with the second database to determine the chemical decomposition method of the resin waste X1 (second determination).
The processing routine is then terminated.

In the resin scrap management method of the present disclosure, the resin molding is, for example, a resin molding for manufacturing eyeglass lenses.
According to this aspect, the recycling of the resin for spectacle lenses is realized.

[Resin waste collection method]
The waste resin collection method of the present disclosure includes collecting the resin waste X1 managed by the resin waste management method of the present disclosure.
The resin waste collection method of the present disclosure has the same effects as the resin waste management method of the present disclosure.
Further, it is possible to collect the resin waste X1, which is the processing powder of the resin molded body, in such a manner that the treatment to be applied to the resin waste X1 can be easily determined.

[An example of a business model for recycling eyeglass lenses]
The resin waste management method of the present disclosure and the resin waste recovery method of the present disclosure can be applied, for example, to a business model for recycling eyeglass lenses.
FIG. 5 is a conceptual diagram showing an example of a business model for recycling eyeglass lenses.
The entities involved in this business model are:
A raw material manufacturer that manufactures raw materials (monomers) that are the basis of resin molded bodies for lens manufacturing,
Lens manufacturers that manufacture resin moldings for lens manufacturing and lenses,
Spectacle distributors who process lenses and sell spectacles, and
There are collection companies that collect resin scraps (hereinafter simply referred to as "resin scraps") that are processing scraps (for example, grinding scraps and/or polishing scraps) of resin moldings for manufacturing lenses. Other entities may intervene as necessary.
The raw material (monomer) in this example is a polythiourethane resin raw material (monomer) for producing the polythiourethane resin, which is the main component of the resin molding for lens manufacturing, and specifically, isocyanate (NCO). and thiol (SH).
In this example, thiol (SH) and amine, which is a raw material of isocyanate (NCO), are produced by chemically decomposing resin waste, which is processing powder of a resin molding for lens manufacturing. Next, isocyanate is produced from the amine, and the resulting isocyanate (NCO) and thiol (SH) are utilized as raw materials for new resin moldings for lens production.
Resin scraps are produced in the process of grinding and/or polishing a lens-manufacturing resin molding to obtain a lens, and in the process of further grinding and/or polishing the lens to obtain a final eyeglass lens product. It is the processing powder of the resin molded body for lens manufacturing that is generated.

Flows of raw materials, lenses, and resin scraps are, for example, the following (1) to (6).
(1) Raw materials are shipped from the raw material manufacturer to the lens manufacturer.
(2) A lens manufacturer polymerizes raw materials to manufacture lenses. Resin waste is generated here.
(3) Process the lens manufactured by the spectacle dealer to manufacture spectacles,
(4) sell eyeglasses to consumers; Resin waste is generated here.
In addition, resin scraps are generated when eyeglasses are collected from consumers.
(5) The collection company collects the resin waste generated in (2) to (4) and delivers it to the raw material manufacturer.
In addition, the collection route may be determined by the business design, such as directly by the raw material manufacturer without going through the collection company in (5), or by collecting from the eyeglass dealer via the lens manufacturer. can be determined flexibly according to
(6) The raw material manufacturer performs the necessary disassembly, etc. of the resin waste collected in the factory or outsourced, and recycles (reuses) the resin waste.
Recovery products such as amines, thiols, and isocyanates are obtained by decomposition, and these are reused as recycled raw materials for polythiourethane resin raw materials.
In the step of producing a polythiourethane resin raw material, for example, a polythiourethane resin is reacted with an amine compound and/or an alcohol compound under predetermined conditions.

In the above example, the recycling of eyeglass lenses made of polythiourethane resin has been described, but the same business model can be applied to the recycling of eyeglass lenses made of resins other than polythiourethane resin.
Examples of other resins are as described above as examples of the resin in the resin waste X1.

[Recycling management system]
A recycling management system of the present disclosure is a recycling management system having a first registration section, a second registration section, a third registration section, and a fourth registration section.
The first registration unit associates and registers the identification information for tracking and the collection information that is information about the collected resin waste that is processing waste of the resin molded body.
The second registration unit associates and registers the identification information and information regarding a predetermined chemical decomposition method for the resin waste.
The third registration unit associates and registers the identification information and the decomposition information, which is information about reusable raw materials obtained by decomposing resin scraps by a chemical decomposition method.
The fourth registration unit associates and registers the identification information and reuse information, which is information about products using reuse materials.

In the recycling management system of the present disclosure, information about collected resin waste, recycled raw materials obtained by reusing resin waste, and products using recycled raw materials are identified as identification information for identifying collected resin waste. managed consistently by
Thus, according to the recycling management system of the present disclosure, such information can be managed in a traceable manner.
As a result, it is possible to effectively guarantee the quality of products using recycled raw materials.

Specifically, according to the recycling management system of the present disclosure,
Collecting resin scraps (that is, processing scraps) generated in the manufacturing stage of products (for example, eyeglass lenses),
Reuse of collected resin waste (that is, production of recycled raw materials by decomposing resin waste, and production of products using recycled raw materials);
Information traceability is ensured in the recycling process including
An example of the recycling process referred to here is the aforementioned business model for recycling eyeglass lenses (see FIG. 5).
In other words, the recycling management system of the present disclosure can be applied to the above-described eyeglass lens recycling business model (see FIG. 5).

"Resin waste that is processing waste of resin molded bodies" in the recycling management system of the present disclosure is synonymous with "Resin waste X1 that is processing waste of resin molded bodies" in the resin waste management method of the present disclosure described above. A preferred embodiment is also the same.
The "resin waste, which is processing waste of resin moldings" in the recycling management system of the present disclosure may be collected by the resin waste collection method of the present disclosure described above.

<First embodiment>
(System configuration)
A recycling management system 100 (see FIG. 6 and others), which is a first embodiment of the recycling management system of the present disclosure, will be described.
The recycling management system 100 of the first embodiment can be configured as a hardware device.

FIG. 6 is a block diagram showing the hardware configuration of the recycling management system 100 of the first embodiment.
Note that the hardware of the recycling management system 100 is not limited to physical hardware, and may be a cloud server in a virtual environment or the like, or functions may be distributed among a plurality of servers.

As shown in FIG. 6, the recycling management system 100 includes a CPU (Central Processing Unit) 11, a ROM (Read Only Memory) 12, a RAM (Random Access Memory) 13, a storage 14, an input section 15, a display section 16, and communication It has an interface (I/F) 17 . Each component is communicatively connected to each other via a bus 19 .

The CPU 11 is a central processing unit that executes various programs and controls each section. That is, the CPU 11 reads a program from the ROM 12 or the storage 14 and executes the program using the RAM 13 as a work area. The CPU 11 performs control of each configuration and various arithmetic processing according to programs stored in the ROM 12 or the storage 14 . In this embodiment, the ROM 12 or storage 14 stores a position estimation program.

The ROM 12 stores various programs and various data.
The RAM 13 temporarily stores programs or data as a work area.
The storage 14 is configured by a storage device such as a HDD (Hard Disk Drive) or an SSD (Solid State Drive), and stores various programs including an operating system and various data.

The input unit 15 includes a pointing device such as a mouse and a keyboard, and is used for various inputs.

The display unit 16 is, for example, a liquid crystal display, and displays various information. The display unit 16 may employ a touch panel system and function as the input unit 15 .

The communication interface 17 is an interface for communicating with other devices such as terminals. The communication uses, for example, a wired communication standard such as Ethernet (registered trademark) or FDDI, or a wireless communication standard such as 4G, 5G, or Wi-Fi (registered trademark).

Functionally, the recycling management system 100 includes a management information storage unit 102, a first registration unit 110, a second registration unit 112, a third registration unit 114, and a fourth registration unit 114, as shown in FIG. A section 116 and a search section 118 are provided.
The recycling management system 100 is also connected via a network N to an operation terminal 90 operated by a user.
Note that the recycle management system 100 may have a configuration in which each registration unit is distributed over a network.

The registration processes of the first registration unit 110, the second registration unit 112, the third registration unit 114, and the fourth registration unit 116 are respectively performed in the recycling process for collecting resin scraps and decomposing resin scraps (that is, reusing them). production of raw materials), post-disassembly analysis (ie, analysis of recycled raw materials), and manufacturing of products using recycled raw materials and analysis of products. Also, each registration is an example, and other registration processing may be performed as necessary.

In the management information storage unit 102, first registration information registered by the first registration unit 110, second registration information registered by the second registration unit 112, third registration information registered by the third registration unit 114, and the fourth registration information registered by the fourth registration unit 116 is stored.
When the user performs a registration operation from the operation terminal 90, each registration information is registered by each registration unit. When the user performs a search operation from the operation terminal 90, the search unit 118 performs a search based on the search key and presents the search results. Note that the user is assumed to be a person in charge belonging to one of a plurality of business entities involved in the recycling process. For example, the user of the first registration unit 110 is assumed to be a person in charge of a raw material manufacturer, and the user of the fourth registration unit 116 is assumed to be a person in charge of a lens manufacturer or an eyewear retailer. .
Details of each registration unit and each registration information will be described below.

The first registration unit 110 associates the identification information with the collection information and registers them in the management information storage unit 102 as first registration information.
The first registration information is registered by the first registration unit 110 by the user's registration operation.

The identification information is information for consistently managing and tracking the collected resin scraps.
As the identification information, for example, an identification ID is used.
The identification information is information for uniquely identifying collected resin waste in each registration of the first registration unit 110, the second registration unit 112, the third registration unit 114, and the fourth registration unit 116. FIG. By using this identification information as a reference key, it becomes possible to trace information in the recycling process.
The identification information (for example, an identification ID) may be set so as to be automatically given when the collected resin waste is registered, or may be set so as to be arbitrarily given by the user. Also, at the time of collection of resin waste, etc., resin waste may be collected after being provided with identification information in advance. You can do it.
The reason why the entity performing the registration operation in the first registration unit 110 can be fluid in this way is that it is assumed that the entity responsible for registering the first registration information will differ according to the recycling business scheme. Identification of resin waste during collection is assumed at the time of edging, semi-cutting, polishing, and the like, for example.
In addition to the identification ID, a registration ID for registration may be given when registering the first registration unit 110, the second registration unit 112, the third registration unit 114, and the fourth registration unit 116. FIG.
Note that identification information may be managed using a blockchain. Aspects of using a blockchain will be described later in another embodiment.

The collection information is information on the collected resin waste (that is, resin waste that is processing waste of the resin molding).
There are no particular restrictions on the collected information. Collection information may be appropriately designed according to the recycling process.
For the collection information, for example, data of collection information may be obtained in advance from a collecting company or a collection source when resin waste is collected, and the obtained collection information data may be registered by manual or automatic input.

The collection information may be the same information as the "information X1 regarding the resin waste X1, which is the processing waste of the resin molded body" in the resin waste management method of the present disclosure described above.

It is preferable that the collection information includes at least one of property information about resin waste, product information before processing, and information about the collection source.

In the following, first, the property information regarding the resin waste, which can be included in the collection information, will be described.
Resin waste may differ in at least one of reusability, reusable ratio, and required chemical decomposition method, depending on property information on resin waste.
Therefore, when the collection information includes property information about the resin waste, it is easier to determine at least one of the reusability, reusability rate, and chemical decomposition method for the collected resin waste. Become.
For example, property information on resin scraps includes:
(1) Moisture content, specific gravity (2) Type and content of resin contained (3) Type and content of non-resin components (e.g., abrasives, surfactants, acids, alkalis, etc.) etc.

Further, the property information about the resin waste includes information as to whether the resin waste is to be reused or not, and information of a specific component by which it can be determined that the resin waste is to be reused.
Examples of the specific component referred to here include isotopic elements.
For example, it is assumed that the specific component is included in advance in raw materials (monomers) for forming the resin in the resin waste. In this case, the specific component can be detected by analyzing the component of the resin waste after collection.
The above-described method of preliminarily including the specific component in the raw material (monomer) for forming the resin in the resin waste is effective as a method of ensuring the traceability of information in the recycling process.

It should be noted that whether or not the resin waste is to be reused may be determined, for example, for each product manufactured when the resin waste is generated. For example, products manufactured by polymerizing raw materials (monomers) from which it is difficult to obtain reusable raw materials by chemically decomposing resin waste shall not be reusable, and reusable raw materials shall be obtained by chemically decomposing resin waste. Products manufactured by polymerizing raw materials (monomers) that can
Alternatively, only predetermined resin scraps may be collected based on whether or not they can be reused. In this case, in the recycling management system 100, it suffices to determine in advance the object to be collected based on whether or not such reuse is possible, and notify the collection agent or the like of the object to be collected in advance.

Next, product information before processing, which can be included in collection information, will be described.
As product information before processing, for example,
Information on products (that is, raw materials (monomers)) for manufacturing resin molded bodies before processing,
Information on products (e.g., spectacle lenses) manufactured when resin waste is generated by processing resin moldings,
etc.
If the property information cannot be obtained at the time of collection, the property information is determined by referring to the property information database (not shown) owned by the raw material manufacturer from the product information before processing, and the property information is registered. good too.

Next, information about the collection source that can be included in the collection information will be described.
Information on the collection source includes information on the lens manufacturer and information on the spectacle dealer. The information about the collection source may be at least identification information that can identify the lens manufacturer or spectacle dealer who is the collection source.
The information about the collection source may include history information at the time of lens manufacturing or history information at the time of lens processing. This makes it possible to track how the recycled products were collected through the production and sales routes.

FIG. 8 shows an example of the first registration information.
As first registration information (R1), identification information and collection information are registered in association with each other.
Although not shown, the registration information may have a date and time of registration. The same applies to the following registration information.

The second registration unit 112 associates the identification information with the information regarding the chemical decomposition method previously determined for the resin waste and registers them in the management information storage unit 102 as the second registration information.

The information about the chemical decomposition method determined in advance for the resin waste is information about which chemical decomposition method is used to decompose the resin waste, which is determined in advance for each type of resin waste.
The chemical decomposition method differs depending on the type of resin waste (for example, the type of resin contained).
Therefore, in this embodiment, a chemical decomposition method is determined in advance for each type of resin waste. The chemical decomposition method may be determined with reference to the application criteria of LCA (Life Cycle Assessment).
The second registration unit, for example, associates the collected resin waste with the identification information, and stores information about a predetermined chemical decomposition method (for example, which chemical decomposition method is to be used for decomposition, or or) is registered. As a result, it is easy to follow the chemical decomposition method applied at the time of decomposition in the recycled materials obtained by decomposing the resin waste and the products manufactured using the recycled materials.

FIG. 9 shows an example of the second registration information.
As the second registration information (R2), the identification information and the decomposition method type, which is information relating to the chemical decomposition method, are registered in association with each other.

The third registration unit 114 associates the identification information with the decomposition information, which is information about the components of the recycled raw material obtained by decomposing the resin waste by a chemical decomposition method, and stores the information as the third registration information. Register at 102.

Decomposition information is information on reusable raw materials obtained by decomposing resin scraps.
The decomposition information preferably includes the result of analyzing the content of impurities (that is, trace components among components other than the main component) in the recycled raw material.
The recycled raw material obtained by decomposing the resin waste may have a different impurity content than the raw material before being recycled (that is, the raw material used to form the resin in the resin waste). be. Therefore, due to the difference in the content of impurities between the recycled raw material and the raw material before being reused, the physical properties of the resin may greatly differ when the resin is formed. For this reason, it is envisioned that the recycled raw material and the raw material before being recycled are mixed and used to manufacture the product. In this case, decomposition information (for example, the result of analyzing the content of impurities in the recycled raw material) is effective as an index for determining the mixing ratio of the recycled raw material and the raw material before reuse. obtain.
Although the details will be described later, the disassembly information may include information on success or failure of disassembly.

FIG. 10 shows an example of the third registration information.
In the upper example of FIG. 10, as the third registration information (R3), the identification information and the content of impurities (component A and component B) in the recycled raw material as decomposition information are registered in association with each other. there is
The example at the bottom of FIG. 10 shows an example of integrating and managing identification information associated with each of a plurality of reusable materials when a plurality of reusable materials are mixed and used. In this case, integrated identification information obtained by integrating a plurality of pieces of identification information may be newly provided.

The fourth registration unit 116 associates the identification information with the reuse information, which is information about products using recycled raw materials, and registers them in the management information storage unit 102 as fourth registration information.

Reuse information is information about products using reusable raw materials.
The reuse information preferably includes an evaluation value of environmental friendliness calculated from the usage ratio of recycled raw materials in the product (that is, the usage ratio of recycled raw materials in the total amount of raw materials used in manufacturing the product).
Examples of environmental consideration evaluation values include LCA calculation values (that is, life cycle assignment calculation values), CO2 credits, and the like.
The environmental consideration evaluation value (for example, LCA calculation value and CO2 credit) may be obtained from the usage ratio of the recycled raw materials by defining a calculation formula in advance.

Further, in the recycling management system 100, the management information storage unit 102 is provided with a database (not shown) in which the information on the resin waste and the application criteria of the chemical decomposition method are associated with each other. The application criteria for the physical decomposition method may be changed. The application standard for this chemical decomposition method is, for example, the application standard determined by LCA.

FIG. 11 shows an example of the fourth registration information.
In this example, a reuse destination list table (R4-1) and a reuse information table (R4-2) for each product are registered in the management information storage unit 102 as the fourth registration information (R4). be done.
The reuse destination list table (R4-1) contains identification information at the time of collection of resin waste and IDs of products manufactured using recycled materials (hereinafter also referred to as “product ID” or “product identification information”). ) and are recorded in association with each other.
In the reuse information table (R4-2) for each product, the product identification information for each product and the identification information at the point of collection of the resin waste are recorded in association with each other.
If integrated identification information has already been assigned, the integrated identification information and the product identification information may be recorded in association with each other.

The search unit 118 receives a search key through a user's search operation on the operation terminal 90, and searches for associated information according to the search method of the search key. Then, the search result is presented on the operation terminal 90 in a display format corresponding to the search key.
As the search key, for example, at least one of identification information, collection information, information on chemical decomposition method, decomposition information, and reuse information can be used.
Also, as a search key,

Next, display of search results will be exemplified.
FIG. 12 is an example of a search interface.
In this example, at least one of identification ID as identification information, recovery information, chemical decomposition method, decomposition information, and reuse information is used as a search key, and the at least one information is selected by box selection or text. You can type and search.
Also, a collection period may be specified.
The identification information is entered in the identification ID input box.
For collection information, at least one of property information, product information before processing, and collection source is input by box selection or text.
The disassembly information may include information on success or failure of disassembly (not shown), and it is also possible to perform a search using search keys narrowed down by success or failure.
For the reuse information, at least one of the usage ratio of recycled raw materials, LCA calculation values, and CO2 credits is input by box selection or text.

FIG. 13 shows an example of a search result when searching using identification information as a search key.
In this example, a search is accepted using identification information as a search key, and information associated with the identification information in the management information storage unit 102 is referred to.
As search results, collection information, chemical decomposition method, decomposition information, reuse information, and a list of products related to the identification information are displayed as search results.
In this way, the search unit 118 performs a search and presents the search results to the user.

Further, when a search using the failure of disassembly information as a search key is accepted, the identification information associated with the disassembly information including the failure of disassembly is acquired from the management information storage unit 102 . Then, the identification information is presented together with the collection information, the information on the chemical decomposition method, the decomposition information, and the reuse information registered in association with the identification information. This makes it possible to refer to the information in case of failure.
In addition, statistical data of failure and success may be calculated by referring to information when success is used as a search key, and results of statistical data comparing failure and success may be presented. can be

Also, when a search using a product (product ID) using recycled raw materials as a search key is accepted, the identification information associated with the product using recycled raw materials is acquired from the management information storage unit 102 . Then, the identification information is presented together with the collection information, the information on the chemical decomposition method, the decomposition information, and the reuse information registered in association with the identification information.

[Action of the system]
Next, operation of the recycling management system 100 will be described with reference to FIGS. 14 and 15. FIG. The CPU 11 reads a program from the ROM 12 or the storage 14, develops it in the RAM 13, and executes it, whereby the CPU 11 functions as each part of the recycle management system 100, and the following processes are performed. The processing is divided into registration processing and search processing.

The registration processing routine of FIG. 14 will be explained.

In step S100, the first registration unit 110 issues unique identification information for the collected resin waste.

In step S102, the first registration unit 110 associates the issued identification information with the collection information and registers them in the management information storage unit 102 as first registration information.

In step S104, the second registration unit 112 associates the identification information with the information on the predetermined chemical decomposition method for the resin waste and registers them in the management information storage unit 102 as second registration information.

In step S106, the third registration unit 114 associates the identification information with the decomposition information regarding the components of the reusable raw material obtained by decomposing the resin waste by a chemical decomposition method, and stores the management information as the third registration information. register in section 102;

In step S108, the fourth registration unit 116 associates the identification information with the reuse information, which is information about products using reuse raw materials, and registers them in the management information storage unit 102 as fourth registration information.

The search processing routine in FIG. 15 will be explained.

In step S200, the search unit 118 accepts a search key input by the user's search operation on the operation terminal 90.

In step S202, the search unit 118 obtains search results by referring to each piece of registration information in the management information storage unit 102 based on the search key.

In step S204, the search unit 118 presents the acquired search results on the operation terminal 90 in a display format corresponding to the search key.

As described above, in the recycling management system 100 according to the present embodiment, collected resin scraps, recycled materials obtained by reusing the resin scraps, and information on products using the recycled raw materials are collected. Consistently managed by identification information for identifying resin scraps. This allows these pieces of information to be managed in a traceable manner.

<Second embodiment>
A second embodiment of the recycling management system of the present disclosure is a mode that uses blockchain for identification information.
FIG. 16 is a diagram illustrating an example of management of registration processing by a blockchain.
Each registration of each part of the recycling management system 100 is recorded in a block chain represented by a series of blocks indicating each step of registration, and a hash value calculated in the previous block is recorded as identification information.

A specific example of registration processing using a blockchain will be described.
In a registration process using a blockchain, block creation, hash value (identification address) calculation, and registration information registration are executed as a series of processes (transactions).
In this embodiment, an identification address based on a hash value is used.
The identification address can be generated, for example, as an address of several tens of digits including a hash value (eg, alphanumeric characters such as "0x0ab...AZ0") to uniquely identify the registration process.
Each registration unit calculates an identification address (hash value) at the time of registration, and generates an identification address for each registration.
The block contains
(1) the identification address of the previous block;
(2) information specific to the registration (recovery information, information on chemical decomposition methods, decomposition information, or recycling information);
(3) the identification address calculated in the block;
is recorded as registration information.
For example, the first registration unit creates a first block for the collected resin waste and calculates a first identification address. Then, the first identification address and collection information are recorded in the first block as the first registration information, and the registration process is completed.
The second registration unit 112 acquires the first identification address, creates a second block, and calculates the second identification address.
The first identification address (identification address of the previous block) and the second identification address are recorded in the second block as the second registration information, and the registration process is completed.
The registration processing by the blocks of the third registration unit 114 and the fourth registration unit 116 is the same.

By calculating and using the identification information as an identification address based on the hash value as described above, information in the recycling process can be managed on the blockchain.
By tracing the identification address, it is possible to trace the recycled raw materials and the products using the recycled raw materials (hereinafter also referred to as recycled products) in the recycling process.
Since blocks for each registration are recorded on the blockchain, traceability can be guaranteed.
Moreover, the authenticity of the registered information to be managed can also be ensured. This is because blockchain can manage registered information as irreversible and unalterable accumulated data.

Also, a block corresponding to the collected resin waste may be created and a unique identification address for management may be issued. In this case, for example, when the management identification address is entered in the search box, the search unit 118 acquires all registration information of each block included in the management identification address. Then, a list of registration information is displayed for each block to show how the collected resin waste was processed and registered in the recycling process.
As an example, in the display example of the search results in FIG. 13, the search results may be displayed together with the identification address for each block.
Further, for example, a block identification address for each day may be issued and managed in order to collectively manage all the resin scraps collected on that day. In this case, an identification address corresponding to each piece of resin waste collected on that day may be recorded in the block for each day.
Also, when the reused product is completed, a block including part or all of the first to fourth registration information may be created.
In this way, by creating and managing a block in which a plurality of pieces of identification information or a plurality of pieces of registration information are grouped together, it is possible to facilitate reference when some kind of evidence arises for reused products.

Also, in the registration processing of each block, some important information, for example, information of a specific component may be embedded in the registration information of each block.
As a result, by simply referring to one block of registered information, it is possible to easily ascertain which resin scraps or recycled raw materials having specific components are used in the recycling process.

In addition, the recycling management system 100 utilizes blockchain technology, uses the LCA value of product reuse information or CO2 credits as an environmental evaluation value, and uses an NFT (Non-Fungible Token) to prove the environmental evaluation value. may be issued.
The NFT is, for example, a badge according to the environmental evaluation value rank. The NFT issued in this way can be given to the user who purchased the reused product. As a result, environmental evaluation can add value to the purchase and use of recycled products.

Although the embodiment of the recycling management system of the present disclosure has been described above as an embodiment in which the program is pre-installed, it is also possible to store the program in a computer-readable recording medium and provide it.

The disclosure of Japanese Patent Application No. 2021-108688 filed on June 30, 2021 and Japanese Patent Application No. 2021-108689 filed on June 30, 2021 is herein incorporated by reference in its entirety. It is captured.
All publications, patent applications and technical standards mentioned herein are to the same extent as if each individual publication, patent application and technical standard were specifically and individually noted to be incorporated by reference. incorporated herein by reference.

Claims (18)

1. A method for managing resin scraps, including managing resin scraps X1, which are processing scraps of resin moldings, in association with information X1 about the resin scraps X1.
2. Furthermore,
   Preparing a first database in which information about resin scraps and whether or not the resin scraps are to be recycled by a chemical decomposition reaction are associated with each other;
   a first determination of comparing the information X1 associated with the resin waste X1 with the first database to determine whether the resin waste X1 is to be recycled;
   The method for managing resin waste according to claim 1, comprising:
3. Furthermore,
   Preparing a second database that associates information on resin scraps with methods of chemically decomposing resin scraps;
   When it is determined that the resin waste X1 is to be recycled in the first determination, the information X1 associated with the resin waste X1 is compared with the second database, and the chemical decomposition method of the resin waste X1 is performed. a second decision that determines
   The method for managing resin waste according to claim 2, comprising:
4. The first determination is made based on the calculated value of the life cycle assessment, and when the calculated value is equal to or greater than a predetermined value, the resin waste X1 is determined to be recycled, and the calculated value is the If it is less than a predetermined value, it is determined that the resin waste X1 is not subject to the recycling;
   The resin waste management method according to claim 2 or 3.
5. Said management is
   managing the resin waste X1 in a container;
   at least one of imparting the information X1 to the container and causing the resin waste X1 to contain a component corresponding to the information X1;
   including,
   The resin waste management method according to any one of claims 1 to 4.
6. The information X1 includes information on the type of resin in the resin scrap X1,
   The resin waste management method according to any one of claims 1 to 5.
7. The resin molded body is a resin molded body for manufacturing spectacle lenses,
   The method for managing resin waste according to claim 6.
8. A method for collecting resin scraps, including collecting the resin scraps X1 managed by the resin scraps management method according to any one of claims 1 to 7.
9. A recycling management system comprising a first registration unit, a second registration unit, a third registration unit, and a fourth registration unit,
   The first registration unit associates and registers identification information for tracking and collection information, which is information about resin waste that is collected processing waste of the resin molded body,
   The second registration unit associates and registers the identification information and information regarding a chemical decomposition method predetermined for the resin waste,
   The third registration unit associates and registers the identification information and decomposition information, which is information about recycled raw materials obtained by decomposing the resin waste by the chemical decomposition method,
   The fourth registration unit associates and registers the identification information and reuse information, which is information about a product using the reuse raw material.
   Recycle management system.
10. The recycling management system according to claim 9, wherein the collection information includes at least one of property information about the resin waste, product information before processing, and information about the collection source.
11. 11. The recycling management system according to claim 10, wherein the property information includes specific component information that can be used to determine that the resin waste is to be reused.
12. Each registration of each part is recorded in a block chain represented by a series of blocks indicating each step of registration, and a hash value calculated in the previous block is recorded as the identification information. Item 12. The recycling management system according to any one of Item 11.
13. The decomposition information includes the result of analyzing the content of impurities in the recycled raw material,
    The recycling management system according to any one of claims 9 to 12.
14. The reuse information includes an evaluation value of environmental friendliness calculated from the usage ratio of the reused raw materials in the product.
    The recycling management system according to any one of claims 9 to 13.
15. Having a database in which the information of the resin waste and the application criteria of the chemical decomposition method are associated,
    changing the application criteria of the chemical decomposition method based on the evaluation value;
    The recycling management system according to claim 14.
16. receiving a search using at least one of the identification information, the recovery information, the information on the chemical decomposition method, the decomposition information, and the reuse information as a search key;
    Search for identification information associated with information corresponding to the search key together with the recovery information, the information on the chemical decomposition method, the decomposition information, and the reuse information registered in association with the identification information. presented as a result,
    The recycling management system according to any one of claims 9 to 15.
17. The decomposition information includes information on success or failure of decomposition,
    Accepts a search with failure as a search key,
    The identification information associated with the decomposition information including failure of decomposition, together with the recovery information, the information on the chemical decomposition method, the decomposition information, and the reuse information registered in association with the identification information. present,
    The recycling management system according to any one of claims 9 to 16.
18. Receiving a search using the product using the recycled raw material as a search key,
    identification information associated with the reuse information corresponding to the product corresponding to the search key, the collection information registered in association with the identification information, the information on the chemical decomposition method, the decomposition information, and presented as a search result together with the reuse information;
    The recycling management system according to any one of claims 9 to 17.

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