KR102622772B1 - Electrochemical Bioreactor for Generating Hydrogen from Wastewater - Google Patents

Abstract

The present invention provides a bioelectrochemical reactor that generates hydrogen from wastewater, which is composed of a plurality of oxidation electrodes and reduction electrodes arranged in parallel and close to each other to efficiently generate hydrogen gas.
The bioelectrochemical reactor of the present invention for generating hydrogen from wastewater has a housing formed in a cylindrical shape with an open bottom and an inner surface at the top formed with a slope that slopes upward toward the center, and is arranged in a row inside the housing in the vertical direction. A plurality of anode electrodes installed, a cathode electrode installed inside the housing in the vertical direction and arranged at intervals in a parallel state to the anode electrode, and a cathode electrode installed inside the housing and into which the terminal portions of the anode and cathode electrodes are inserted. It includes an electrode support plate formed by oxidation terminal holes and reduction terminal holes arranged at regular intervals, and a hydrogen collection tube that is coupled to the upper center of the housing and discharges the generated hydrogen gas to the outside.

Description

{Electrochemical Bioreactor for Generating Hydrogen from Wastewater}

The present invention relates to a bioelectrochemical reactor that generates hydrogen from wastewater, and more specifically, to a bioelectrochemical reactor that generates hydrogen from wastewater that can efficiently generate hydrogen gas.

Recently, interest in hydrogen energy as a pollution-free energy is increasing, and much technological development is being conducted on devices and methods for producing hydrogen.

Among conventional devices for producing hydrogen, the hydrogen generator device, which installs an electrode consisting of an anode and a cathode, fills it with water, and generates hydrogen using electrolysis, has a simple structure and is easy to apply, but it does not consume electricity. Research is underway to solve the problem that the amount of hydrogen gas generated is small compared to the energy, making it less practical.

Various technologies to increase hydrogen generation efficiency are disclosed in Korean Patent Publication Nos. 10-0407481, 10-0582162, and 10-1168504.

Meanwhile, a microbial electrolysis cell (MEC) that converts biodegradable organic matter into hydrogen gas using electrochemically active bacteria or exoelectrogens is a technology to increase the energy efficiency of hydrogen production. Development of the technology is taking place.

The operating principle of a microbial electrolysis cell is that electroactive microorganisms form a biofilm on the electrode, decompose the substrate, and send the generated electrons to the anode. The electrons move to the cathode through an external conductor, and from the cathode to the anode, the electrons move to the cathode. It consists of a process in which hydrogen ions are reduced and hydrogen gas is generated.

Various technologies for generating hydrogen gas using microbial electrolysis cell technology are disclosed in Korean Patent Publication Nos. 10-1582476 and 10-1714431.

Microbial electrolysis cell technology can produce electricity and generate hydrogen while treating wastewater containing organic matter (food processing wastewater, livestock wastewater, industrial wastewater, etc.), so research and development on technologies in related fields are actively conducted. I'm losing.

Recently, technologies for efficiently producing hydrogen gas from basic wastewater of mainstream beverages such as soju and makgeolli are also being researched and developed.

The present invention was made with a bird's eye view of the above-mentioned points, and is a bioelectrochemical method for generating hydrogen from wastewater by arranging a plurality of oxidation electrodes and reduction electrodes in a parallel state in close proximity to efficiently generate hydrogen gas. The purpose is to provide a reactor.

A bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention includes a housing formed in a cylindrical shape with an open bottom and an inner surface at the top formed with an inclined surface that slopes upward toward the center, and an upward and downward direction inside the housing. A plurality of anodes arranged in an upright position, a cathode electrode installed inside the housing in a vertical direction parallel to the anodes and arranged at intervals, and a plurality of anodes installed in the housing, the anodes And an electrode support plate formed by arranging oxidation terminal holes and reduction terminal holes into which the terminal portion of the reduction electrode is inserted at regular intervals, and a hydrogen collection tube that is coupled to the upper center of the housing and discharges the generated hydrogen gas to the outside. It comes true.

The reduction electrode is formed in a mesh-structured sheet shape.

The reduction electrode is constructed by arranging a plurality of wire electrodes at regular intervals between two sheet-shaped mesh electrodes.

The reduction electrode can also be formed using a wire made of stainless steel (SUS).

The reduction electrode has a structure in which the end of the wire electrode is inserted and supported into the reduction terminal hole of the electrode support plate.

It is preferable that the diameter of the stainless steel wire used as the wire electrode of the cathode electrode is thicker than the diameter of the stainless steel wire used in the mesh electrode because it can prevent deformation of the cathode electrode and maintain structural strength. .

The anode electrode can also be composed of a wire electrode and a plurality of wing electrodes arranged radially around the wire electrode.

The anode electrode can also be installed by arranging wing electrodes installed on wire electrodes of adjacent anode electrodes to partially overlap each other.

The electrode support plate may be assembled to the bottom of the housing and installed so that the lower terminal portions of the anode and cathode electrodes are inserted into the oxidation terminal hole and the reduction terminal hole, respectively.

The electrode support plate may be further installed on the inner upper part of the housing so that the upper terminal portions of the oxidation electrode and the reduction electrode are inserted into the oxidation terminal hole and the reduction terminal hole.

It is also possible to connect and install a plurality of assembly pieces to support the arranged spacing between the upper and lower ends of the anode and cathode electrodes.

The assembly piece is formed with a reduction terminal hole through which the terminal portion of the wire electrode of the cathode electrode is inserted and an oxidation terminal hole through which the terminal portion of the wire electrode of the oxidation electrode is inserted.

The assembly piece may be configured to be assembled in pairs, one wire electrode of the cathode electrode and one wire electrode of the anode electrode, and two or more wire electrodes of the cathode electrode and the anode electrode may be assembled in one assembly piece. It is also possible to configure the wire electrodes to be assembled in pairs.

The assembly pieces can be formed with protrusions and grooves on the corners facing each other so that neighboring assembly pieces can be integrated into each other, and the sides facing each other can be partially overlapped and fixed integrally using small screws, etc. do.

The assembly pieces can also be installed together in contact with the electrode support plate.

In addition, the bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention is a storage shelf formed so that the plurality of housings are tilted in multiple stages with the hydrogen collection pipes facing upward and located in the same direction. It is also possible to include more.

A plurality of hydrogen collection pipes installed in a housing mounted in multiple stages are connected to the storage shelf, and a hydrogen transfer pipe is installed vertically on one side to collect hydrogen gas discharged from the hydrogen collection pipe and transfer it to the storage.

It is also possible to form a plurality of housings on the storage shelf by arranging them in two rows so that the hydrogen collection tubes face each other in the center from both sides.

In the case where the storage shelf is formed to be placed in two rows so that the hydrogen collection pipes face each other in the center, it is also possible to install the hydrogen transfer pipes by placing them in the center of the storage shelf.

According to the bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention, it is possible to provide a modular structure with a simple structure, so it can be easily applied where necessary.

In addition, according to the bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention, multiple oxidation electrodes and reduction electrodes are installed densely in a certain space, making it possible to maintain high hydrogen gas generation efficiency. do.

In addition, according to the bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention, it is possible to maintain a high hydrogen gas generation efficiency, so it is possible to produce hydrogen gas from mainstream basic wastewater such as soju or makgeolli. It can also be applied to other fields.

Figure 1 is a perspective view showing a bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention.
Figure 2 is an exploded perspective view showing a bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention.
Figure 3 is a partial cross-sectional side view showing a bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention.
Figure 4 is a cross-sectional view showing another example of a housing in a bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention.
Figure 5 is a partially enlarged cross-sectional view showing an oxidizing electrode and a reducing electrode installed in a bioelectrochemical reactor for generating hydrogen from wastewater according to an embodiment of the present invention.
Figure 6 is a side view showing a reduction electrode in a bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention.
Figure 7 is a plan view showing an example of an assembly piece in a bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention.
Figure 8 is a perspective view showing another example of an assembly piece in a bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention.
Figure 9 is an exploded perspective view showing a bioelectrochemical reactor that generates hydrogen from wastewater according to another embodiment of the present invention.
Figure 10 is a partial cross-sectional side view showing a bioelectrochemical reactor that generates hydrogen from wastewater according to another embodiment of the present invention.
Figure 11 is a side view showing a state in which a bioelectrochemical reactor generating hydrogen from wastewater according to an embodiment of the present invention is mounted on a storage shelf.

Hereinafter, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

The terms used herein are merely used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, processes, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, processes, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as having an ideal or excessively formal meaning unless explicitly defined in the present application. No.

The term MODULE as used herein refers to a unit that processes a specific function or operation, and may mean hardware, software, or a combination of hardware and software.

Terms or words used in this specification and claims should not be construed as limited to their common or dictionary meanings, and the inventor may appropriately define the concept of terms in order to explain his or her invention in the best way. Based on the principle that there is, it should be interpreted with a meaning and concept consistent with the technical idea of the present invention. In addition, if there is no other definition in the technical and scientific terms used, they have meanings commonly understood by those skilled in the art to which this invention pertains, and the gist of the present invention is summarized in the following description and accompanying drawings. Descriptions of known functions and configurations that may be unnecessarily obscure are omitted. The drawings introduced below are provided as examples so that the idea of the present invention can be sufficiently conveyed to those skilled in the art. Accordingly, the present invention is not limited to the drawings presented below and may be embodied in other forms. Additionally, like reference numerals refer to like elements throughout the specification. It should be noted that identical components in the drawings are indicated by identical symbols wherever possible.

Next, a preferred embodiment of the bioelectrochemical reactor for generating hydrogen from wastewater according to the present invention will be described in detail with reference to the drawings.

The present invention can be implemented in various forms and is not limited to the embodiments described below.

Hereinafter, in order to clearly explain the present invention, detailed descriptions of parts that are not closely related to the present invention are omitted. Throughout the description of the invention, identical or similar components are assigned the same reference numerals and repeated descriptions are omitted. .

First, the bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention includes a housing 10, an oxidation electrode 20, and a reduction electrode 30, as shown in FIGS. 1 to 3. It includes an electrode support plate (60) and a hydrogen collection tube (80).

The housing 10 is formed in a cylindrical shape with an open bottom.

A plurality of anode electrodes 20, a reduction electrode 30, an electrode support plate 60, etc. are inserted and installed in the internal space 12 of the housing 10.

The housing 10 is formed with an upper inner surface 14 that slopes upward toward the center.

For example, the housing 10 may be formed so that the upper inner surface 14 is triangular, or may be formed as a curved or arcuate surface with the center concave upward.

As described above, if the upper inner surface 14 of the housing 10 is formed as an inclined surface inclined toward the center and the upper inner part of the housing 10 is maintained as an empty space, hydrogen gas generated inside the housing 10 will naturally It is collected in the empty space at the top of the center.

In the above, it is also possible to form the upper outer surface of the housing 10 as an inclined surface inclined toward the central portion corresponding to the inner surface.

A collection hole 18 is formed in the upper central portion of the housing 10 through which the hydrogen collection pipe 80 is installed in communication with the interior.

As shown in FIG. 4, the outer surface of the housing 10 is formed in a square shape, and the upper inner surface 14 is formed as an inclined surface inclined toward the center, so that the overall inner surface is formed in a pentagonal shape.

In the above, the housing 10 is configured as a double structure, the outer wall member 15 is formed in a square shape, the inner wall member 16 is formed in a pentagon shape, and the inner wall member 16 is inserted into the outer wall member 15. It is also possible to configure it by installing it.

The electrolyte solution is accommodated inside the housing 10 without being filled to the height of the inclined upper part.

As the electrolyte solution, basic wastewater from alcoholic beverages such as soju or makgeolli, wastewater containing organic matter, etc. can be used in various ways.

And, as shown in FIGS. 2 to 3 and FIG. 5, the anode electrode 20 is installed in a plurality arranged vertically inside the housing 10.

The anode electrode 20 can also be composed of a wire electrode 22 and a plurality of wing electrodes 24 arranged radially along the circumference of each wire electrode 22.

As shown in FIG. 5, the anode electrode 20 can also be installed by arranging the wing electrodes 24 installed on adjacent wire electrodes 22 to partially overlap each other.

The wing electrode 24 can be formed in a plate shape or a brush shape.

In the above, the plurality of anode electrodes 20 are installed by arranging the wire electrodes 22 at regular intervals.

The anode electrode 20 may be formed using stainless steel (SUS), or may be formed using metals such as platinum or gold, or alloys thereof.

The anode electrodes 20 may be installed in one row, or may be installed in two or more rows.

In the case where the anode electrodes 20 are installed in two or more rows, it is also possible to install them in a zigzag pattern.

And, as shown in FIGS. 2 to 3 and 5 to 6, the cathode electrode 30 is erected vertically inside the housing 10 and is parallel to the anode electrode 20 with a gap between them. They are arranged and installed.

The reduction electrode 30 is formed in the shape of a mesh-structured sheet, and can be formed using a wire made of stainless steel (SUS).

The reduction electrode 30 can also be formed using a wire made of stainless steel containing nickel (catalyst).

The reduction electrode 30 can also be formed using metals such as copper, zinc, nickel, aluminum, tin, titanium, iridium, or alloys thereof.

The reduction electrode 30 is made by arranging a plurality of wire electrodes 32 at regular intervals between two sheet-shaped mesh electrodes 34.

In the above, the diameter of the stainless steel wire used as the wire electrode 32 of the cathode electrode 30 is thicker than the diameter of the stainless steel wire used in the mesh electrode 34, which is a modification of the cathode electrode 30. This is desirable because it can prevent and maintain structural strength.

In the above, the diameter of the wire electrode 22 of the anode electrode 20 is formed to be thicker than the diameter of the wire electrode 32 of the reduction electrode 30.

For example, it is possible to form the wire electrode 22 of the anode electrode 20 to have a diameter of about 4 mm, and to form the wire electrode 32 of the reduction electrode 30 to have a diameter of about 2 mm. In this case, the diameter of the blade electrode 24 of the anode electrode 20 may be approximately 30 mm, and the distance between the wire electrodes 22 of adjacent anode electrodes 20 may be approximately 20 mm.

In addition, the ends of the mesh electrode 34 of the reduction electrode 30 and the wing electrode 24 of the oxidation electrode 20 are installed close to each other to maintain a gap of 0.5 to 10 mm.

In addition, the cathode electrode 30 is installed at a distance of approximately 5 mm from the inner surface of the housing 10, and the anode electrode 20 has an end of the wing electrode 24 positioned at a distance of approximately 5 mm from the inner surface of the housing 10. 10) Arrange and install so that it is in contact with the inner surface of the unit.

It is also possible to install the wire electrodes 32 of the reduction electrode 30 at intervals such that each wire electrode 22 of the oxidation electrode 20 corresponds one by one.

In addition, it is possible to set the spacing of the wire electrodes 32 of the cathode electrode 30 so that one is installed corresponding to the spacing between two or more wire electrodes 22 of the anode electrode 20.

It is also possible to set the spacing between the wire electrodes 32 of the cathode electrode 30 to be different from the spacing between the wire electrodes 22 of the oxidizing electrode 20.

And, as shown in Figures 2 and 3, the electrode support plate 60 is assembled and installed on the inner bottom of the housing 10.

The electrode support plate 60 is installed to close the open bottom surface of the housing 10.

The electrode support plate 60 can be installed to be inserted into the lower part of the housing 10, and can also be installed to block the bottom of the housing 10 from the outside.

The electrode support plate 60 is formed with oxidation terminal holes 62 and reduction terminal holes 64, into which the terminal portions of the oxidation electrode 20 and the reduction electrode 30 are inserted, arranged at regular intervals.

For example, the lower terminal portion of the wire electrode 22 of the anode electrode 20 is respectively inserted and supported in the oxidation terminal hole 62 of the electrode support plate 60, so that the anode electrode 20 is spaced at regular intervals. It is supported in a fixed position.

In addition, the lower terminal portion of the wire electrode 32 of the reduction electrode 30 is respectively inserted and supported in the reduction terminal hole 64 of the electrode support plate 60, so that the reduction electrode 30 is fixed in a constant position. It is supported in a state where it is supported.

In the above, the wire of the oxidation electrode 20 inserted into the oxidation terminal hole 62 of the electrode support plate 60, the lower terminal portion of the electrode 22, and the wire of the reduction electrode 30 inserted into the reduction terminal hole 64. The lower terminal portion of the electrode 32 is preferably exposed (projected) from the outer surface of the electrode support plate 60 and is long so that an external power source can be connected.

In addition, as shown in Figures 2 and 3, it is also possible to connect and install a plurality of assembly pieces 70 to support the upper portions of the anode 20 and the cathode electrode 30 to maintain the respective arranged intervals. .

The assembly piece 70 includes a reduction terminal hole 74 through which the end terminal portion of the wire electrode 32 of the cathode electrode 30 is inserted, and an end portion of the wire electrode 22 of the anode electrode 20. Oxidized terminal holes 72 through which terminal portions are inserted are formed, respectively.

The assembly piece 70 can also be configured to be assembled in pairs by pairing one wire electrode 32 of the cathode electrode 30 and one wire electrode 22 of the anode electrode 20.

In addition, the assembly piece 70 corresponds to one assembly piece 70 by pairing two or more wire electrodes 32 of the reduction electrode 30 and wire electrodes 22 of the oxidation electrode 20. It is also possible to configure it to be assembled.

In addition, the assembly piece 70 is formed by pairing one wire electrode 32 of the reduction electrode 30 and two or more wire electrodes 22 of the oxidation electrode 20 in one assembly piece 70. It is also possible to configure it to be assembled accordingly.

In the above configuration, the upper ends of the anode 20 and the cathode electrode 30 are supported on the assembly piece 70, and the anode electrode 20 and the cathode electrode 30 are attached to the electrode support plate 60. Since the anode 20 and the cathode electrode 30 are supported, their positions are fixed between the assembly piece 70 and the electrode support plate 60.

As described above, the electrode support plate 60, the assembly piece 70, the plurality of anodes 20, and the reduction electrodes 30 are assembled and inserted into the housing 10 to form one module. It is composed.

Also, as shown in FIG. 7, the assembly pieces 70 can be positioned so that the opposing sides partially overlap each other and integrally fixed using small screws or the like.

For example, a coupling portion 76 is formed at the side edge of the assembly piece 70, and the opposing coupling portions 70 of the neighboring assembly pieces 70 are overlapped and integrated together using small screws, etc. It is also possible to assemble and use it.

In the case of the assembly piece 70 that is assembled at both ends, the coupling portion 70 for fastening small screws, etc. is not formed at the outer corner to prevent interference with the housing 10 during assembly. This is desirable because it does not occur.

It is also possible to form the coupling portion 70 in a stepped shape so that neighboring coupling portions 70 overlap each other.

As shown in FIG. 8, the assembly pieces 70 can also have protrusions 77 and grooves 78 formed at the corners facing each other so that neighboring assembly pieces 70 can be integrated into each other.

In the case of the assembly piece 70 that is assembled at both ends, the protrusions 77 and grooves 78 are not formed on the outer corners because interference with the housing 10 does not occur during assembly. desirable.

When the adjacent assembly pieces 70 are integrally connected to each other as described above and are assembled to the upper and lower parts of the oxidizing electrode 20 and the reducing electrode 30, a plurality of the oxidizing electrode 20 and the reducing electrode 30 are formed. ) and the upper and lower assembly pieces 70 constitute one module.

And, as shown in FIGS. 9 and 10, the electrode support plate 60 can also be installed on the inner upper part of the housing 10.

When the electrode support plate 60 is installed on the inner upper part of the housing 10 as described above, the upper terminal portions of the oxidation electrode 20 and the reduction electrode 30 are formed into the oxidation terminal hole 52 and the reduction terminal hole 54, respectively. It is inserted into and supported.

In the configuration described above, the anode electrode 20 and the cathode electrode 30 are supported in a state where their positions are stably fixed between a pair of electrode support plates 60 installed on the inner upper and lower surfaces of the housing 10. do.

In addition, as shown in FIGS. 9 and 10, the assembly piece 70 is connected to the bottom of the electrode support plate 60 installed on the inner top of the housing 10 and the electrode installed on the inner bottom of the housing 10. It is also possible to install both the upper and lower sides of the anode 20 and the cathode electrode 30 in a state of contacting the upper surface of the support plate 60, respectively.

As described above, the assembly piece 70, a plurality of oxidizing electrodes 20, and the reducing electrode 30 are assembled into one body between a pair of electrode support plates 60 and are inserted and installed into the housing 10. It constitutes a module of

And, as shown in FIGS. 1 to 3, the hydrogen collection pipe 80 is coupled to the collection hole 18 formed in the upper central portion of the housing 10.

The hydrogen collection pipe 80 constitutes a flow path 83 that discharges hydrogen gas generated inside the housing 10 to the outside.

The hydrogen collection pipe 80 includes a cylindrical pipe body 82 and a base end portion 84 installed at the lower end of the pipe body 82 and coupled to the housing 10.

The upper surface of the pipe body 82 is formed in a closed state, and a discharge hole 88 for discharging the internal hydrogen gas is formed in a part of the upper surface.

As shown in FIG. 1, the bioelectrochemical reactor for generating hydrogen from wastewater according to an embodiment of the present invention configured as described above includes a hydrogen collection pipe 80 integrally installed in the housing 10, A module in which a plurality of oxidizing electrodes 20 and reducing electrodes 30 are assembled as one body is inserted and installed between the electrode support plate 60 and the assembly piece 70 inside the housing 10. A set is constructed.

Therefore, the bioelectrochemical reactor for generating hydrogen from wastewater according to an embodiment of the present invention can be provided in a set state, so anyone can easily install and use it.

As shown in FIG. 11, the bioelectrochemical reactor that generates hydrogen from wastewater according to an embodiment of the present invention has the plurality of housings 10 in the same direction with the hydrogen collection pipe 80 facing upward. It is also possible to further include a storage shelf 100 that is formed to be tilted and mounted in multiple stages while positioned in .

The storage shelf 100 can be configured in multiple stages, and can also be configured so that multiple housings can be mounted at regular intervals on the same stage.

A plurality of support brackets 110 are installed at each end of the storage shelf 100 to support the side surfaces of the housing 10 in contact with each other.

A plurality of hydrogen collection pipes 80 installed in the housing 10 mounted in multiple stages are connected to the storage shelf 100, and a hydrogen transfer pipe for collecting hydrogen gas discharged from the hydrogen collection pipe 80 and transferring it to the storage ( 130) is installed in a structure that stands vertically on one side.

The storage shelf 100 can also be formed so that a plurality of housings 10 are arranged in two rows so that the hydrogen collection pipes 80 face each other in the center from both sides.

In the case where the storage shelf 100 is arranged in two rows so that the hydrogen collection pipes 80 face each other in the center, it is also possible to install the hydrogen transfer pipe 130 by placing it in the center of the storage shelf.

Although the preferred embodiment of the bioelectrochemical reactor for generating hydrogen from wastewater according to the present invention has been described above, the present invention is not limited thereto, and may be modified in various ways within the scope of the claims, description of the invention, and accompanying drawings. It is possible to implement, and this also falls within the scope of the present invention.

10 - housing, 12 - internal space, 14 - upper inner surface, 15 - outer wall member
16 - inner wall member, 18 - collection hole, 20 - oxidation electrode, 22 - wire electrode
24 - wing electrode, 30 - reduction electrode, 32 - wire electrode, 34 - mesh electrode
60 - electrode support plate, 62 - oxidation terminal hole, 64 - reduction terminal hole
70 - assembly section, 72 - oxidation terminal hole, 74 - reduction terminal hole, 76 - coupling part
77 - protrusion, 78 - groove, 80 - hydrogen collection pipe, 82 - pipe main body, 83 - flow path
84 - base end, 88 - discharge hole, 100 - storage shelf, 110 - support bracket
130 - Hydrogen transfer pipe

Claims (10)

A housing whose bottom is formed in an open cylindrical shape and whose upper inner surface is formed with a slope that slopes upward toward the center;
A plurality of anode electrodes arranged in an upright direction inside the housing,
A cathode electrode installed inside the housing in a vertical direction and arranged at intervals in parallel with the anode electrode;
An electrode support plate installed inside the housing and formed with oxidation terminal holes and reduction terminal holes arranged at regular intervals into which the terminal portion of the wire electrode constituting the oxidation electrode and the terminal portion of the wire electrode constituting the reduction electrode are inserted;
It includes a hydrogen collection pipe that is coupled to the upper center of the housing and discharges the generated hydrogen gas to the outside,
The wire electrode terminal portion of the anode electrode and the wire electrode terminal portion of the cathode electrode are respectively inserted into the oxidation terminal hole and the reduction terminal hole, thereby fixing the anode electrode and the cathode electrode in a certain arrangement,
The wire electrode lower terminal portion of the anode electrode and the wire electrode lower terminal portion of the cathode electrode are connected to an external power source.
A bioelectrochemical reactor that generates hydrogen from wastewater. In claim 1,
The reduction electrode is formed in a sheet shape with a mesh structure, and is made by arranging a plurality of wire electrodes at regular intervals between two sheet-shaped mesh electrodes,
A bioelectrochemical reactor that generates hydrogen from wastewater, wherein the oxidizing electrode consists of the wire electrode and a plurality of wing electrodes radially disposed along the circumference of the wire electrode. delete In claim 2,
The reduction electrode is a bioelectrochemical reactor that generates hydrogen from wastewater formed using a wire made of stainless steel (SUS). In claim 2,
The reduction electrode is a bioelectrochemical reactor that generates hydrogen from wastewater using a wire electrode whose diameter is thicker than that of the wire used in the mesh electrode. In claim 2,
The oxidation electrode is a bioelectrochemical reactor that generates hydrogen from wastewater in which wing electrodes installed on wire electrodes of adjacent oxidation electrodes are arranged to partially overlap each other. In claim 2,
A plurality of assembly pieces are installed on the upper or lower ends of the anode and cathode electrodes to support each other to maintain the arranged spacing,
A bioelectrochemical reactor that generates hydrogen from wastewater in which a reduction terminal hole through which the terminal portion of the wire electrode of the reduction electrode is inserted and an oxidation terminal hole through which the terminal portion of the wire electrode of the oxidation electrode is inserted are formed in the assembly piece, respectively. . In claim 2,
The electrode support plate is assembled to the bottom of the housing and the lower terminal portions of the oxidation electrode and the reduction electrode are installed to be inserted into the oxidation terminal hole and the reduction terminal hole, respectively. A bioelectrochemical reactor that generates hydrogen from wastewater. In claim 2,
The electrode support plate is a bioelectrochemical reactor that generates hydrogen from wastewater, installed on the upper and lower sides of the housing, respectively, so that the upper and lower terminals of the oxidation electrode and the reduction electrode are inserted into the oxidation terminal hole and the reduction terminal hole, respectively. . According to paragraph 1,
The hydrogen collection tube is located at the top of the housing,
It further includes a storage shelf on which a plurality of housings are tilted and mounted in multiple stages,
On one side of the storage shelf,
A bioelectrochemical reactor that generates hydrogen from wastewater, in which a hydrogen transfer pipe is connected to each of the hydrogen collection pipes formed in the plurality of housings and installed vertically to transfer the hydrogen gas discharged from the hydrogen collection pipe to a reservoir.