CN219907313U - Copper-containing nitric acid waste liquid recovery processing system - Google Patents
Copper-containing nitric acid waste liquid recovery processing system Download PDFInfo
- Publication number
- CN219907313U CN219907313U CN202321057890.0U CN202321057890U CN219907313U CN 219907313 U CN219907313 U CN 219907313U CN 202321057890 U CN202321057890 U CN 202321057890U CN 219907313 U CN219907313 U CN 219907313U
- Authority
- CN
- China
- Prior art keywords
- nitric acid
- copper
- tank
- liquid
- waste liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 108
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910017604 nitric acid Inorganic materials 0.000 title claims abstract description 49
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000010949 copper Substances 0.000 title claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 46
- 239000002699 waste material Substances 0.000 title claims abstract description 43
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 title claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004202 carbamide Substances 0.000 claims abstract description 29
- 238000009792 diffusion process Methods 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 238000000502 dialysis Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- QHDUJTCUPWHNPK-UHFFFAOYSA-N methyl 7-methoxy-2h-indazole-3-carboxylate Chemical compound COC1=CC=CC2=C(C(=O)OC)NN=C21 QHDUJTCUPWHNPK-UHFFFAOYSA-N 0.000 claims description 12
- 239000011550 stock solution Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 abstract description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 7
- 239000003014 ion exchange membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 nitrate ions Chemical class 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- WXYNCCWBUXKSBG-UHFFFAOYSA-N copper;nitric acid Chemical compound [Cu].O[N+]([O-])=O WXYNCCWBUXKSBG-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- YPJKMVATUPSWOH-UHFFFAOYSA-N nitrooxidanyl Chemical compound [O][N+]([O-])=O YPJKMVATUPSWOH-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a copper-containing nitric acid waste liquid recovery treatment system which comprises a diffusion dialysis device, a reaction tank and solid-liquid separation equipment, wherein a raw liquid inlet, a water inlet, a diffusion liquid outlet and a residual liquid outlet are arranged on the diffusion dialysis device, the residual liquid outlet is connected with a residual liquid tank, the residual liquid tank is connected with the reaction tank, a urea feeding port is arranged on the reaction tank, and the reaction tank is connected with the solid-liquid separation equipment. The utility model discloses can handle high copper-containing nitric acid waste liquid, also can handle low copper-containing nitric acid waste liquid, can effectively retrieve nitric acid and nitrate, equipment dismantles conveniently, and application scope is wide, and can not produce new pollutant in the whole technology, greatly reduced copper-containing nitric acid waste liquid's comprehensive treatment cost.
Description
Technical Field
The utility model belongs to the technical field of nitric acid recovery, and particularly relates to a copper-containing nitric acid waste liquid recovery treatment system.
Background
With the rapid development of the electronic industry and the electroplating industry, the use of nitric acid by related enterprises is more common, so that a large amount of copper-containing nitric acid waste liquid is generated, and the discharge amount of the copper-containing nitric acid waste liquid is increased year by year.
In the traditional copper-containing nitric acid waste liquid treatment process, concentrated nitric acid copper-containing waste water is converted into solid precipitate and copper-containing waste liquid through alkaline solution containing carbonyl, and then copper ions in the copper-containing waste liquid are adsorbed through an adsorbent. The method is only used for recycling copper, is suitable for nitric acid waste liquid with high copper content, can not recycle nitrate, and can generate new solid waste pollutants by applying the adsorbent, thereby having high comprehensive treatment cost.
Disclosure of Invention
Aiming at the prior art, the utility model provides a copper-containing nitric acid waste liquid recovery treatment system, which aims to solve the problems that nitrate cannot be recovered, the chemical usage amount is high and the treatment cost is high in the traditional recovery process.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a copper-containing nitric acid waste liquid recovery processing system, including diffusion dialysis device, retort and solid-liquid separation equipment, be provided with stoste import, water inlet, diffusion liquid export and raffinate export on the diffusion dialysis device, the raffinate export is connected with the raffinate jar, and the raffinate jar is connected with the retort, is provided with urea feeding mouth on the retort, and the retort is connected with solid-liquid separation equipment.
The beneficial effects of adopting above-mentioned technical scheme are that this practicality: the diffusion dialysis device recovers nitric acid in the copper-containing nitric acid waste liquid in a diffusion dialysis mode through the ion exchange membrane, the recovery rate is more than 65%, and the purity is high. The copper-containing nitric acid raffinate after passing through the diffusion dialysis device is reacted to generate solid urea nitrate by adding urea, and then solid-liquid separation is realized by solid-liquid separation equipment, so that urea nitrate is recovered, and the copper-containing waste liquid after solid-liquid separation does not contain nitric acid and nitrate.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the stock solution inlet is connected with a stock solution tank, and a cartridge filter is arranged between the stock solution tank and the stock solution inlet.
The beneficial effects of adopting the above further technical scheme are that this practicality: the cartridge filter is used for filtering particulate matters with the particle size of more than 1 mu m, so that the loss of a rear diffusion dialysis device is reduced. The stock solution tank is used for storing stock solution of copper-containing nitric acid waste liquid.
Further, the diffusion liquid outlet is connected with a nitric acid storage tank.
The beneficial effects of adopting the above further technical scheme are that this practicality: the nitric acid storage tank is used for storing nitric acid generated after being treated by the diffusion dialysis device.
Further, the urea adding port is connected with a urea storage tank, and a flow valve is arranged between the urea adding port and the urea storage tank.
The beneficial effects of adopting the above further technical scheme are that this practicality: the adding amount of urea is controlled through the flow valve, so that the adding amount of urea is effectively reduced, and the cost is reduced.
Further, a flow valve is arranged between the residual liquid tank and the reaction tank, and a sampling port is arranged on the residual liquid tank.
The beneficial effects of adopting the above further technical scheme are that this practicality: the residual liquid tank is sampled through the sampling port, so that the amount of nitrate ions in the residual liquid tank can be obtained through analysis, and the adding amount of urea can be determined. The flow valve can control the amount of residual liquid in the residual liquid tank.
Further, a solid outlet of the solid-liquid separation device is connected with the urea nitrate storage tank, and a liquid outlet of the solid-liquid separation device is connected with the copper-containing waste liquid tank.
The beneficial effects of adopting the above further technical scheme are that this practicality: the solid-liquid separation equipment is used for separating urea nitrate from copper-containing waste liquid, the urea nitrate obtained by separation is stored in a urea nitrate storage tank, the copper-containing waste liquid obtained by separation is stored in a copper-containing waste liquid tank, and the copper-containing waste liquid can be recycled later as required.
The beneficial effects of the utility model are as follows: the utility model adopts an ion exchange membrane device to recycle high-purity nitric acid in a diffusion dialysis mode, and the recycling rate is more than 65%; nitric acid which cannot be recovered in the waste liquid is removed in a mode of adding urea to react to generate solid urea nitrate, and nitrate radical is recovered in a solid-liquid separation mode; the final copper-containing waste liquid does not contain nitric acid and nitrate, the subsequent treatment process can be determined according to the content of copper, and the copper-containing waste liquid can be recovered through conventional flocculation precipitation or ion exchange. The utility model discloses can handle high copper-containing nitric acid waste liquid, also can handle low copper-containing nitric acid waste liquid, can effectively retrieve nitric acid and nitrate, equipment dismantles conveniently, and application scope is wide, and can not produce new pollutant in the whole technology, greatly reduced copper-containing nitric acid waste liquid's comprehensive treatment cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
the device comprises a raw material tank, a first conveying pump, a cartridge filter, a diffusion dialysis device, a nitric acid tank, a residual liquid tank, a second conveying pump, a reaction tank, a urea tank, a third conveying pump, a solid-liquid separation device, a nitric acid tank, a copper-containing waste liquid tank and a copper-containing waste liquid tank, wherein the raw material tank, the first conveying pump, the cartridge filter, the diffusion dialysis device, the nitric acid tank, the residual liquid tank, the second conveying pump, the reaction tank, the urea tank and the copper-containing waste liquid tank are sequentially arranged in sequence, and the residual liquid tank is sequentially connected with the cartridge filter.
Detailed Description
The following describes the embodiments of the present utility model in detail with reference to the drawings.
In an embodiment of the present utility model, as shown in fig. 1, there is provided a copper-containing nitric acid waste liquid recovery treatment system, comprising a raw liquid tank 1, a first transfer pump 2, a cartridge filter 3, a diffusion dialysis device 4, a raffinate tank 6, a second transfer pump 7, a reaction tank 8, a third transfer pump 10, and a solid-liquid separation device 11 (e.g., a centrifuge) which are sequentially connected.
The diffusion dialysis device 4 is provided with a stock solution inlet, a water inlet, a diffusion solution outlet and a residual liquid outlet. The residual liquid outlet is connected with a residual liquid tank 6, the stock solution inlet is connected with a cartridge filter 3, and the diffusion liquid outlet is connected with a nitric acid storage tank 5.
A flow valve for controlling the flow of residual liquid is arranged between the residual liquid tank 6 and the reaction tank 8, and a sampling port is arranged on the residual liquid tank 6 and is used for sampling and testing the concentration of nitrate ions in the residual liquid. The reaction tank 8 is provided with a urea feeding port, the urea feeding port is connected with a urea storage tank 9, and a flow valve for controlling the flow of urea is arranged between the urea feeding port and the urea storage tank 9. So that the flow rate of the residual liquid tank 6 and the urea storage tank 9 flowing into the reaction tank 8 can be controlled according to the concentration of nitrate ions in the residual liquid, thereby controlling the urea consumption.
The solid outlet of the solid-liquid separation device 11 is connected with a urea nitrate storage tank 12, and the liquid outlet of the solid-liquid separation device 11 is connected with a copper-containing waste liquid tank 13.
When the copper-containing nitric acid raw liquid stored in the raw liquid tank 1 is used, after particles are filtered by the cartridge filter 3 under the action of the first conveying pump 2, the raw liquid flows into the diffusion dialysis device 4 from the raw liquid inlet, nitric acid flows out of the diffusion liquid outlet and is stored in the nitric acid storage tank 5 under the action of the ion exchange membrane of the diffusion dialysis device 4, copper-containing nitric acid residual liquid flows into the residual liquid tank 6 from the residual liquid outlet, then flows into the reaction tank 8 under the action of the second conveying pump 7, nitric acid reacts with urea to generate urea nitrate in the reaction tank 8, the flow rate of nitric acid in the residual liquid and the flow rate of urea in the urea storage tank 9 are controlled through the flow valve, a product generated under the action of the reaction tank 8 is sent to the solid-liquid separation device 11 under the action of the third conveying pump 10, after the separation of the solid-liquid separation device 11, solid product urea nitrate is stored in the urea nitrate storage tank 12, and liquid product waste liquid is stored in the copper-containing waste liquid tank 13.
Although specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, it should not be construed as limiting the scope of protection of the present patent. Various modifications and variations which may be made by those skilled in the art without the creative effort are within the scope of the patent described in the claims.
Claims (6)
1. A copper-containing nitric acid waste liquid recovery processing system is characterized in that: including diffusion dialysis device (4), retort (8) and solid-liquid separation equipment (11), be provided with stoste import, water inlet, diffusion liquid export and raffinate export on diffusion dialysis device (4), the raffinate export is connected with raffinate jar (6), raffinate jar (6) with retort (8) are connected, be provided with urea on retort (8) and throw the mouth, retort (8) are connected with solid-liquid separation equipment (11).
2. The copper-containing nitric acid waste liquid recovery treatment system according to claim 1, wherein: the stock solution inlet is connected with a stock solution tank (1), and a cartridge filter (3) is arranged between the stock solution tank (1) and the stock solution inlet.
3. The copper-containing nitric acid waste liquid recovery treatment system according to claim 1, wherein: the diffusion liquid outlet is connected with a nitric acid storage tank (5).
4. The copper-containing nitric acid waste liquid recovery treatment system according to claim 1, wherein: the urea adding port is connected with the urea storage tank (9), and a flow valve is arranged between the urea adding port and the urea storage tank (9).
5. The copper-containing nitric acid waste liquid recovery treatment system according to claim 1 or 4, wherein: a flow valve is arranged between the residual liquid tank (6) and the reaction tank (8), and a sampling port is arranged on the residual liquid tank (6).
6. The copper-containing nitric acid waste liquid recovery treatment system according to claim 1, wherein: the solid outlet of the solid-liquid separation equipment (11) is connected with the urea nitrate storage tank (12), and the liquid outlet of the solid-liquid separation equipment (11) is connected with the copper-containing waste liquid tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057890.0U CN219907313U (en) | 2023-05-06 | 2023-05-06 | Copper-containing nitric acid waste liquid recovery processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321057890.0U CN219907313U (en) | 2023-05-06 | 2023-05-06 | Copper-containing nitric acid waste liquid recovery processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219907313U true CN219907313U (en) | 2023-10-27 |
Family
ID=88428352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321057890.0U Active CN219907313U (en) | 2023-05-06 | 2023-05-06 | Copper-containing nitric acid waste liquid recovery processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219907313U (en) |
-
2023
- 2023-05-06 CN CN202321057890.0U patent/CN219907313U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101269871B (en) | Method for processing chrome wastewater | |
| CN108257706B (en) | Uranium-containing wastewater treatment method | |
| CN101863530B (en) | Continuous advanced treatment system of heavy metal ion-containing tail water and treatment method | |
| CN105439326A (en) | Treatment method of chemical nickel-plating wastewater | |
| CN107055765A (en) | The MBR processing of heavy metal compound wastewater and heavy metal recovery System and method for | |
| CN103172199A (en) | Method for treating hydrofluoric acid wastewater | |
| CN103086545A (en) | Method and device for removing and recovering heavy metal in waste water through regenerated active carbon | |
| CN102107965B (en) | Emergency pretreatment system of source water with excessive iron and manganese and treatment method thereof | |
| CN219907313U (en) | Copper-containing nitric acid waste liquid recovery processing system | |
| CN107381705B (en) | Method for separating and recovering multiple cationic heavy metals in water through phase change regulation | |
| CN213924392U (en) | Recovery processing device of nickeliferous waste liquid | |
| CN216368017U (en) | Xylose mother liquor ion exchange system | |
| CN203021371U (en) | Heavy metal recycling and wastewater reusing system by treating heavy metal wastewater through tubular micro-filtration membrane process | |
| CN212127781U (en) | Nickel recovery device for waste battery wastewater | |
| CN210764811U (en) | Iron-containing waste acid cooperative recovery system | |
| CN210595617U (en) | Processing system of chemistry nickel waste water | |
| CN109761383B (en) | Recycling and treating method and recycling and treating system for heavy metal wastewater | |
| CN206767753U (en) | The MBR processing of one heavy metal species compound wastewater and heavy metal recovery system | |
| CN210505915U (en) | High enriched waste water zero release processing apparatus | |
| CN210559747U (en) | Industrial heavy metal sewage treatment system | |
| CN209071005U (en) | The zero discharge treatment device of strong nitric acid system uranium-bearing waste liquid | |
| CN202744362U (en) | Wastewater deacidifying and recovery equipment | |
| CN217103373U (en) | Mercury-containing wastewater treatment system in chloroethylene production | |
| CN217015415U (en) | Automatic circulating cadmium removing device for cobalt chloride solution | |
| CN214032101U (en) | Recovery processing device of palladium-containing waste liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |