A continuous production method for preparing ultra-high purity hydrogen peroxide by reverse osmosis membrane method

CN118001926BActive Publication Date: 2026-10-23JIANGSU JIECHUANGXIN MATERIAL CO LTD
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Patent Information

Application Number
CN202410305166.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-03-18
Publication Date
2026-10-23
Estimated Expiration
2044-03-18

AI Technical Summary

Technical Problem

[0003]目前有采用反渗透膜法制备双氧水,将冷冻后的双氧水经过大孔吸附树脂吸附TOC后送入RO膜过滤系统,RO反渗透允许水分子透过,起到纯化双氧水的作用,在制备的过程中,双氧水中的有机碳会严重影响产品的品质,会使用到大孔吸附树脂去吸附双氧水的TOC,树脂吸附饱和后,采用甲醇进行解析,解析完成后树脂继续使用,但发明人发现对饱和树脂进行解析的同时会停止大孔吸附树脂去吸附双氧水的TOC,造成对双氧水制备进程的障碍

Benefits of technology

[0030]本发明通过均速缓慢旋转的圆筒,使得各圆孔依次对应第一管道、第二管道、第三管道和第四管道,使得吸附TOC的大孔吸附树脂后立即被甲醇解析,后再次对含有TOC的双氧水吸附,以保证大孔吸附树脂持续对双氧水中TOC进行吸附,加快高纯双氧水制备进程,且不会因对大孔吸附树脂解析造成阻碍双氧水的制备。

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Abstract

The application discloses a continuous production method for preparing ultrahigh-purity hydrogen peroxide by a reverse osmosis membrane method, which comprises a cylinder capable of rotating about a virtual central axis, a plurality of circular holes arranged equidistantly on the cylinder in a circle and penetrating through both ends of the cylinder and containing macroporous adsorption resin, a first cover plate and a second cover plate rotatably arranged at both ends of the circular hole respectively, and a plurality of through holes are formed in the first cover plate, and a closed ring fixedly arranged at one end of the cylinder and covering one end of the circular hole. The cylinder is slowly rotated at a constant speed, so that each circular hole is sequentially matched with a first pipeline, a second pipeline, a third pipeline and a fourth pipeline, and the macroporous adsorption resin for adsorbing TOC is immediately resolved by methanol, and then the hydrogen peroxide containing TOC is adsorbed again, so that the macroporous adsorption resin continuously adsorbs the TOC in the hydrogen peroxide, the preparation process of the high-purity hydrogen peroxide is accelerated, and the macroporous adsorption resin is not hindered from resolving the hydrogen peroxide.
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Description

Technical Field

[0001] This invention relates to the field of hydrogen peroxide preparation technology, and in particular to a continuous production method for preparing ultra-high purity hydrogen peroxide using a reverse osmosis membrane method. Background Technology

[0002] High-purity hydrogen peroxide is an essential raw material in the production of large-scale integrated circuits. Impurities in the reagents used in electronic components can directly affect the performance, conductivity, and lifespan of electronic components. Therefore, high-purity hydrogen peroxide is required. Electronic-grade hydrogen peroxide is currently widely used in cleaning and corrosion processes during the assembly and processing of semiconductors and very large integrated circuits. It is a very important process chemical in the electronics industry.

[0003] Currently, hydrogen peroxide is prepared using reverse osmosis membrane technology. After freezing, hydrogen peroxide is passed through macroporous adsorption resin to adsorb TOC before being sent to an RO membrane filtration system. RO reverse osmosis allows water molecules to pass through, thus purifying the hydrogen peroxide. During the preparation process, the organic carbon in the hydrogen peroxide can seriously affect the quality of the product. Macroporous adsorption resin is used to adsorb the TOC in the hydrogen peroxide. After the resin is saturated, methanol is used for desorption. After the desorption is completed, the resin can be reused. However, the inventors discovered that desorbing the saturated resin stops the macroporous adsorption resin from adsorbing the TOC in the hydrogen peroxide, creating an obstacle to the hydrogen peroxide preparation process. Summary of the Invention

[0004] The purpose of this invention is to propose a continuous production method for preparing ultra-high purity hydrogen peroxide using reverse osmosis membrane technology, which enables macroporous adsorption resin to continuously adsorb TOC in hydrogen peroxide, thereby accelerating the preparation process of high-purity hydrogen peroxide.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A component for sustainably absorbing TOC from hydrogen peroxide includes:

[0007] A cylinder is capable of rotating around its virtual central axis;

[0008] Multiple circular holes are equidistantly arranged on the circumference of the cylinder and extend through both ends of the cylinder, containing macroporous adsorption resin.

[0009] The first cover plate and the second cover plate are respectively rotatably set at both ends of the circular hole, and the first cover plate has multiple through holes;

[0010] A closed ring is fixedly set at one end of the cylinder and covers one end of the circular hole;

[0011] Four pipes are arranged equidistantly on one side of the closed ring. They are pipe 1, pipe 2, pipe 3 and pipe 4, which are used for the entry of hydrogen peroxide containing TOC, the discharge of hydrogen peroxide after adsorption by macroporous adsorption resin, the entry of methanol and the discharge of methanol, respectively.

[0012] As the cylinder rotates at a constant speed, the circular hole rotates to the first pipe, where hydrogen peroxide containing TOC enters and comes into contact with the macroporous adsorption resin. The macroporous adsorption resin adsorbs the TOC. The circular hole rotates to the second pipe, where the hydrogen peroxide is discharged. The circular hole rotates to the third pipe, where methanol enters and desorbs the TOC-adsorbed macroporous adsorption resin. The circular hole rotates to the fourth pipe, where the methanol is discharged, and this cycle repeats continuously.

[0013] Preferably, the component further includes a base having a first annular groove, the first annular groove being slidably connected to a first annular body, the first annular body being fixedly sleeved with the outer wall of the cylinder, and the base being fixedly connected to the closed ring.

[0014] Preferably, one end of the cylinder is rotatably connected to a first transmission wheel, a rotating motor is mounted on the base, the output end of the rotating motor is fixedly connected to a second transmission wheel, and the first transmission wheel and the second transmission wheel are connected by a transmission belt.

[0015] Preferably, the first cover plate and the second cover plate are fixedly connected by a fixed shaft, and the fixed shaft is fixedly connected to two bending blocks. The bending blocks extend from the fixed shaft towards the inner wall of the circular hole, and one end of one bending block forms a notch with the first cover plate, and one end of the other bending block forms a notch with the second cover plate. The first cover plate and the second cover plate are both fixedly fitted with a second ring body. The cylinder has a second ring groove, and the second ring body and the second ring groove are slidably connected. When the first cover plate and the second cover plate start to rotate, the macroporous adsorbent resin in the circular hole is guided by the two bending blocks and rolls back and forth between the two ends in the circular hole.

[0016] Preferably, a mating ring is provided at the other end of the cylinder, and the mating ring is fixedly connected to the base. One end of the fixed shaft extends through the second cover plate toward the mating ring and is fixedly connected to the wheel. An arc-shaped block is fixedly connected inside the mating ring. The outer ring of the arc-shaped block and the outer ring of the wheel can contact each other. When they contact each other, the wheel rotates. Both the ring and the arc-shaped block are made of rubber.

[0017] Preferably, the fixed shaft has a first slot, and a sliding shaft is slidably connected in the first slot. A compression spring is provided in the first slot, and the two ends of the compression spring are respectively connected to the fixed shaft and the sliding shaft. The sliding shaft has a second slot, and the end of the sliding shaft away from the compression spring extends towards the mating ring. A guide block is also fixedly connected inside the mating ring. The guide block has an inclined surface. Both the fixed shaft and the sliding shaft have communication ports. When the sliding shaft moves onto the guide block, the compression spring further compresses it, and the communication port on the fixed shaft is not connected to the communication shaft on the sliding shaft, and is blocked. When the sliding shaft leaves the guide block, the compression spring pushes the sliding shaft, so that the communication port on the fixed shaft is connected to the communication shaft on the sliding shaft.

[0018] Preferably, the mating ring has at least one ventilation opening, the fixed shaft is fixedly connected to the limiting block, the sliding shaft has a limiting groove, and the limiting block and the limiting groove are slidably connected.

[0019] A method for using a TOC component that sustainably absorbs hydrogen peroxide includes the following steps:

[0020] The rotating motor starts, and the cylinder begins to rotate via the transmission belt;

[0021] Hydrogen peroxide containing TOC enters through the circular hole connected to the first pipe. The large-pore adsorption resin inside the circular hole adsorbs the TOC, and the cylinder continues to rotate.

[0022] The pores of the macroporous adsorption resin after adsorbing TOC correspond to the second pipe. Then, the hydrogen peroxide after adsorbing TOC flows out from the second pipe, and the cylinder continues to rotate.

[0023] The round hole corresponds to the third pipe, and methanol flows in. At the same time, the round wheel corresponding to the round hole contacts the arc block and rotates due to friction. During the rotation, the macroporous adsorption resin in the round hole rolls along the bending direction of the curved block and its gap, then contacts another curved block and rolls towards the gap of another curved block, realizing reciprocating rolling in the round hole, and the cylinder continues to rotate.

[0024] The circular hole corresponds to the fourth pipe. The methanol that has been decomposed flows out from the fourth pipe, and the cylinder continues to rotate.

[0025] The sliding shaft disengages from the guide block, connecting with the outside world through the circular hole, accelerating the evaporation of methanol and bringing it closer to the first pipe, thus repeating the cycle.

[0026] A continuous production method for preparing ultra-high purity hydrogen peroxide using reverse osmosis membrane technology includes the following steps:

[0027] The frozen hydrogen peroxide is transported to the TOC adsorption component in the hydrogen peroxide absorption tank to adsorb and treat TOC impurities. After impurity removal, it enters intermediate tank #1.

[0028] The circulating pump in intermediate tank #1 pumps the hydrogen peroxide after TOC adsorption to the security filter. The hydrogen peroxide is then transported to the RO membrane filtration system by a high-pressure pump, and after passing through the RO membrane, it enters intermediate tank #2.

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0030] This invention utilizes a slowly rotating cylinder at a uniform speed, where each hole sequentially corresponds to a first, second, third, and fourth channel. This ensures that the macroporous adsorption resin, after adsorbing TOC, is immediately desorbed by methanol, and then adsorbs TOC-containing hydrogen peroxide again. This guarantees that the macroporous adsorption resin continuously adsorbs TOC from the hydrogen peroxide, accelerating the preparation process of high-purity hydrogen peroxide without hindering the preparation of hydrogen peroxide due to the desorption of the macroporous adsorption resin.

[0031] In this invention, when the circular hole corresponds to the third pipe, methanol flows in. At the same time, the circular wheel corresponding to the circular hole contacts the arc-shaped block and rotates accordingly due to friction. During the rotation, the macroporous adsorption resin in the circular hole rolls along the bending direction of the curved block towards its gap, and then contacts another curved block and rolls towards the gap of another curved block, realizing reciprocating rolling in the circular hole. The rolling macroporous adsorption resin facilitates more complete methanol desorption. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of a TOC-absorbing component for sustainable absorption of hydrogen peroxide proposed in this invention;

[0033] Figure 2 This is a schematic diagram of the structure of the first ring body and the first ring groove in a TOC absorption component for hydrogen peroxide proposed in this invention;

[0034] Figure 3 This is a schematic diagram of the cylinder, closed ring, and mating ring in a TOC absorption component for hydrogen peroxide proposed in this invention.

[0035] Figure 4 This is a schematic diagram of the coordination ring and its structure in a TOC-absorbing component for sustainable hydrogen peroxide proposed in this invention.

[0036] Figure 5 This is a schematic diagram of the cylindrical structure and the first and second cover plates in a TOC-absorbing component for sustainable hydrogen peroxide absorption proposed in this invention.

[0037] Figure 6 This is a schematic diagram of the planar structure of the fixed shaft and two bending blocks in a TOC absorption component for hydrogen peroxide proposed in this invention.

[0038] Figure 7This is a schematic diagram of the fixed shaft and two bending blocks in a TOC-absorbing component for sustainable hydrogen peroxide absorption proposed in this invention.

[0039] Figure 8 This is a schematic diagram of the internal structure of the fixed shaft in a TOC-absorbing component for sustainable hydrogen peroxide absorption proposed in this invention.

[0040] Figure 9 This is a schematic diagram of the structure of each wheel in the mating ring of a TOC absorption component for hydrogen peroxide proposed in this invention.

[0041] In the diagram: 1. Cylinder; 2. Circular hole; 3. First cover plate; 4. Second cover plate; 5. Closing ring; 6. First pipe; 7. Second pipe; 8. Third pipe; 9. Fourth pipe; 10. Base; 11. First annular groove; 12. First ring body; 13. First transmission wheel; 14. Rotating motor; 15. Second transmission wheel; 16. Transmission belt; 17. Fixed shaft; 18. Bending block; 19. Second ring body; 20. Second annular groove; 21. Mating ring; 22. Circular wheel; 23. First slot; 24. Sliding shaft; 25. Compression spring; 26. Second slot; 27. Guide block; 28. Connecting port; 29. ​​Ventilation port; 30. Limiting block; 31. Limiting groove; 32. Arc-shaped block; 33. Through hole. Detailed Implementation

[0042] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0043] Reference Appendix Figure 1 -Appendix Figure 9 A component for sustainably absorbing TOC from hydrogen peroxide, comprising:

[0044] Cylinder 1 is capable of rotating around its virtual central axis;

[0045] Multiple circular holes 2 are equidistantly arranged on the circumference of the cylinder 1 and penetrate through both ends of the cylinder 1, containing macroporous adsorption resin.

[0046] The first cover plate 3 and the second cover plate 4 are respectively rotatably disposed at both ends of the circular hole 2, and the first cover plate 3 has multiple through holes 33.

[0047] The closing ring 5 is fixedly set at one end of the cylinder 1 and covers one end of the circular hole 2;

[0048] Four pipes are arranged equidistantly on one side of the closed ring 5. They are pipe 6, pipe 7, pipe 8, and pipe 9, respectively, for the entry of hydrogen peroxide containing TOC, the discharge of hydrogen peroxide after adsorption by macroporous adsorption resin, the entry of methanol, and the discharge of methanol.

[0049] As the cylinder 1 rotates at a constant speed, the circular hole 2 rotates to the first pipe 6, where hydrogen peroxide containing TOC enters the circular hole 2 and comes into contact with the macroporous adsorption resin. The macroporous adsorption resin adsorbs the TOC. The circular hole 2 rotates to the second pipe 7, where the hydrogen peroxide is discharged. The circular hole 2 rotates to the third pipe 8, where methanol enters the circular hole 2 and desorbs the macroporous adsorption resin that adsorbed the TOC. The circular hole 2 rotates to the fourth pipe 9, where the methanol is discharged. This cycle repeats continuously.

[0050] The assembly also includes a base 10, which has a first annular groove 11. The first annular groove 11 is slidably connected to a first annular body 12. The first annular body 12 is fixedly sleeved with the outer wall of the cylinder 1. The base 10 is fixedly connected to the closed ring 5.

[0051] One end of the cylinder 1 is rotatably connected to the first transmission wheel 13. A rotating motor 14 is installed on the base 10. The output end of the rotating motor 14 is fixedly connected to the second transmission wheel 15. The first transmission wheel 13 and the second transmission wheel 15 are connected by a transmission belt 16.

[0052] The first cover plate 3 and the second cover plate 4 are fixedly connected by a fixed shaft 17. The fixed shaft 17 is fixedly connected to two bending blocks 18. The bending blocks 18 extend from the fixed shaft 17 toward the inner wall of the circular hole 2. One end of one bending block 18 forms a notch with the first cover plate 3, and one end of the other bending block 18 forms a notch with the second cover plate 4. The first cover plate 3 and the second cover plate 4 are both fixedly fitted with a second ring body 19. The cylinder 1 has a second ring groove 20. The second ring body 19 and the second ring groove 20 are slidably connected. When the first cover plate 3 and the second cover plate 4 start to rotate, the macroporous adsorption resin in the circular hole 2 rolls back and forth between the two ends in the circular hole 2 under the guidance of the two bending blocks 18.

[0053] A mating ring 21 is provided at the other end of the cylinder 1. The mating ring 21 is fixedly connected to the base 10. One end of the fixed shaft 17 extends through the second cover plate 4 toward the mating ring 21 and is fixedly connected to the wheel 22. An arc-shaped block 32 is fixedly connected inside the mating ring 21. The outer ring of the arc-shaped block 32 and the outer ring of the wheel 22 can contact each other. When they contact each other, the wheel 22 rotates. Both the ring and the arc-shaped block 32 are made of rubber.

[0054] The fixed shaft 17 has a first slot 23, and a sliding shaft 24 is slidably connected in the first slot 23. A compression spring 25 is provided in the first slot 23, and the two ends of the compression spring 25 are respectively connected to the fixed shaft 17 and the sliding shaft 24. The sliding shaft 24 has a second slot 26, and the end of the sliding shaft 24 away from the compression spring 25 extends toward the mating ring 21. A guide block 27 is also fixedly connected inside the mating ring 21. The guide block 27 has an inclined surface. Both the fixed shaft 17 and the sliding shaft 24 have a communication port 28. When the sliding shaft 24 moves onto the guide block 27, the compression spring 25 further compresses, and the communication port 28 on the fixed shaft 17 is not connected to the communication shaft on the sliding shaft 24 and is blocked. When the sliding shaft 24 leaves the guide block 27, the compression spring 25 pushes the sliding shaft 24, so that the communication port 28 on the fixed shaft 17 is connected to the communication shaft on the sliding shaft 24.

[0055] The ring 21 has at least one ventilation opening 29, the fixed shaft 17 is fixedly connected to the limiting block 30, the sliding shaft 24 has a limiting groove 31, and the limiting block 30 and the limiting groove 31 are slidably connected.

[0056] A continuous production method for preparing ultra-high purity hydrogen peroxide using reverse osmosis membrane technology includes the following steps:

[0057] The frozen hydrogen peroxide is transported to the TOC adsorption component in the hydrogen peroxide absorption tank to adsorb and treat TOC impurities. After impurity removal, it enters intermediate tank #1.

[0058] The circulating pump in intermediate tank #1 pumps the hydrogen peroxide after TOC adsorption to the security filter. The hydrogen peroxide is then transported to the RO membrane filtration system by a high-pressure pump. After passing through two RO membranes, the product enters intermediate tank #2.

[0059] It should be noted that:

[0060] Appendix Figure 8 and appendix Figure 9 The sliding shaft 24 and the guide block 27 abut against each other, causing the sliding shaft 24 to further compress the compression spring 25. The connecting port 28 on the sliding shaft 24 does not correspond to the connecting port 28 on the fixed shaft 17. When the sliding shaft 24 does not abut against the guide block 27, the compression spring 25 pushes the sliding shaft 24, so that the connecting port 28 on the sliding shaft 24 corresponds to the connecting port 28 on the fixed shaft 17, and then the outside world is connected to the round hole 2.

[0061] A reduction gearbox can be further installed between the output end of the rotating motor 14 and the second transmission wheel 15, so that the cylinder 1 can rotate slowly;

[0062] Working principle:

[0063] The rotating motor 14 is started, and the cylinder 1 begins to rotate via the transmission belt 16;

[0064] Hydrogen peroxide containing TOC enters through the circular hole 2, which is connected to the first pipe 6. The large-pore adsorption resin inside the circular hole 2 adsorbs the TOC, and the cylinder 1 continues to rotate.

[0065] After the macroporous adsorption resin adsorbs TOC, the circular hole 2 corresponds to the second pipe 7. Then, the hydrogen peroxide after TOC adsorption flows out from the second pipe 7, and the cylinder 1 continues to rotate.

[0066] The circular hole 2 corresponds to the third pipe 8, and methanol flows in. At the same time, the circular wheel 22 corresponding to the circular hole 2 contacts the arc block 32 and rotates accordingly due to friction. During the rotation, the macroporous adsorption resin in the circular hole 2 rolls along the bending direction of the curved block 18 and its notch, and then contacts another curved block 18 and rolls toward the notch of another curved block 18, realizing reciprocating rolling in the circular hole 2, and the cylinder 1 continues to rotate.

[0067] The circular hole 2 corresponds to the fourth pipe 9. The methanol that has been decomposed flows out from the fourth pipe 9, and the cylinder 1 continues to rotate.

[0068] The sliding shaft 24 disengages from the guide block 27, connects to the outside world with the circular hole 2, accelerates the evaporation of methanol, and approaches the first pipe 6, thus repeating the cycle.

[0069] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A component for sustainably absorbing TOC from hydrogen peroxide, characterized in that, include: The cylinder (1) is capable of rotating around its virtual central axis; Multiple circular holes (2) are equidistantly arranged on the circumference of the cylinder (1) and penetrate through both ends of the cylinder (1), containing macroporous adsorption resin. The first cover plate (3) and the second cover plate (4) are respectively rotatably set at both ends of the round hole (2), and the first cover plate (3) has multiple through holes (33). A closed ring (5) is fixedly set at one end of the cylinder (1) and covers one end of the round hole (2); Four pipes are arranged equidistantly on one side of the closed ring (5), namely the first pipe (6), the second pipe (7), the third pipe (8) and the fourth pipe (9), which are used for the entry of hydrogen peroxide containing TOC, the discharge of hydrogen peroxide after adsorption by macroporous adsorption resin, the entry of methanol and the discharge of methanol, respectively. As the cylinder (1) rotates at a constant speed, the circular hole (2) rotates to the first pipe (6), where hydrogen peroxide containing TOC enters the circular hole (2) and comes into contact with the macroporous adsorption resin. The macroporous adsorption resin adsorbs TOC. The circular hole (2) rotates to the second pipe (7), where hydrogen peroxide is discharged. The circular hole (2) rotates to the third pipe (8), where methanol enters the circular hole (2) and desorbs the macroporous adsorption resin that adsorbs TOC. The circular hole (2) rotates to the fourth pipe (9), where methanol is discharged. This cycle repeats continuously. The first cover plate (3) and the second cover plate (4) are fixedly connected by a fixed shaft (17). The fixed shaft (17) is fixedly connected to two curved blocks (18). The curved blocks (18) extend from the fixed shaft (17) toward the inner wall of the round hole (2). One end of one curved block (18) forms a gap with the first cover plate (3), and one end of the other curved block (18) forms a gap with the second cover plate (4). The first cover plate (3) and the second cover plate (4) are both fixedly fitted with the second ring body (19). The cylinder (1) has a second ring groove (20). The second ring body (19) and the second ring groove (20) are slidably connected. When the first cover plate (3) and the second cover plate (4) start to rotate, the macroporous adsorption resin in the round hole (2) rolls back and forth between the two ends in the round hole (2) under the guidance of the two curved blocks (18). The assembly also includes a base (10), which has a first annular groove (11) that is slidably connected to a first annular body (12). The first annular body (12) is fixedly sleeved with the outer wall of the cylinder (1), and the base (10) is fixedly connected with the closing ring (5). A fitting ring (21) is provided at the other end of the cylinder (1). The fitting ring (21) is fixedly connected to the base (10). One end of the fixed shaft (17) extends through the second cover plate (4) toward the fitting ring (21) and is fixedly connected to the wheel (22). An arc block (32) is fixedly connected inside the fitting ring (21). The outer ring of the arc block (32) and the outer ring of the wheel (22) can contact each other. When they contact each other, the wheel (22) rotates. Both the ring and the arc block (32) are made of rubber.

2. The TOC absorption component for hydrogen peroxide as described in claim 1, characterized in that, One end of the cylinder (1) is rotatably connected to the first transmission wheel (13), and a rotating motor (14) is installed on the base (10). The output end of the rotating motor (14) is fixedly connected to the second transmission wheel (15). The first transmission wheel (13) and the second transmission wheel (15) are connected by a transmission belt (16).

3. The TOC absorption component for hydrogen peroxide as described in claim 2, characterized in that, A first slot (23) is formed in the fixed shaft (17), and a sliding shaft (24) is slidably connected in the first slot (23). A compression spring (25) is provided in the first slot (23), and the two ends of the compression spring (25) are respectively connected to the fixed shaft (17) and the sliding shaft (24). A second slot (26) is formed in the sliding shaft (24), and the end of the sliding shaft (24) away from the compression spring (25) extends toward the mating ring (21). A guide block (27) is also fixedly connected inside the mating ring (21). The guide block (27) has an inclined surface. Both the fixed shaft (17) and the sliding shaft (24) have a connecting port (28). When the sliding shaft (24) moves onto the guide block (27), the compression spring (25) further compresses it, and the connecting port (28) on the fixed shaft (17) is not connected to the connecting shaft on the sliding shaft (24) and is blocked. When the sliding shaft (24) leaves the guide block (27), the compression spring (25) pushes the sliding shaft (24), so that the connecting port (28) on the fixed shaft (17) is connected to the connecting shaft on the sliding shaft (24).

4. The TOC absorption component for hydrogen peroxide as described in claim 3, characterized in that, The mating ring (21) has at least one ventilation opening (29), the fixed shaft (17) is fixedly connected to the limiting block (30), the sliding shaft (24) has a limiting groove (31), and the limiting block (30) and the limiting groove (31) are slidably connected.

5. The method of using a TOC-absorbing component for sustainably absorbing hydrogen peroxide according to claim 4, characterized in that, Includes the following steps: The rotating motor (14) is started, and the cylinder (1) begins to rotate through the transmission belt (16); Hydrogen peroxide containing TOC enters through the round hole (2) connected to the first pipe (6). The macroporous adsorption resin inside the round hole (2) adsorbs TOC, and the cylinder (1) continues to rotate. The pores (2) after the macroporous adsorption resin adsorbs TOC correspond to the second pipe (7), so the hydrogen peroxide after the adsorption of TOC flows out from the second pipe (7) and the cylinder (1) continues to rotate. The round hole (2) corresponds to the third pipe (8), and methanol flows in. At the same time, the wheel (22) corresponding to the round hole (2) contacts the arc block (32) and rotates accordingly due to friction. During the rotation, the macroporous adsorption resin in the round hole (2) rolls along the bending direction of the curved block (18) toward its gap, and then contacts another curved block (18) and rolls toward the gap of another curved block (18), realizing the reciprocating rolling in the round hole (2), and the cylinder (1) continues to rotate. The round hole (2) corresponds to the fourth pipe (9). The methanol that has been decomposed flows out from the fourth pipe (9), and the cylinder (1) continues to rotate. The sliding shaft (24) disengages from the guide block (27), connects to the outside world with the round hole (2), accelerates the volatilization of methanol, and approaches the first pipe (6), thus repeating the cycle.

6. A continuous production method for preparing ultra-high purity hydrogen peroxide using reverse osmosis membrane technology, employing the TOC absorption module for hydrogen peroxide as described in claim 4, comprising the following steps: The frozen hydrogen peroxide is transported to the TOC adsorption component in the continuously absorbent hydrogen peroxide as described in claim 4 to adsorb and treat TOC impurities. After impurity removal, it enters intermediate tank #1. The circulating pump in intermediate tank #1 pumps the hydrogen peroxide after TOC adsorption to the security filter. The hydrogen peroxide is then transported to the RO membrane filtration system by a high-pressure pump, and after passing through the RO membrane, it enters intermediate tank #2.

Citation Information

Patent Citations

  • Continuous preparation method for high-purity hydrogen peroxide

    CN102701158A

  • Gas treatment device and method

    CN116212573A

  • Method of purifying aqueous solution of hydrogen peroxide

    US6054109A