CN206692497U - A kind of bitter recycling treatment system - Google Patents
A kind of bitter recycling treatment system Download PDFInfo
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- CN206692497U CN206692497U CN201720120588.3U CN201720120588U CN206692497U CN 206692497 U CN206692497 U CN 206692497U CN 201720120588 U CN201720120588 U CN 201720120588U CN 206692497 U CN206692497 U CN 206692497U
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- bitter
- pool
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- exposed
- outlet
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- 238000004064 recycling Methods 0.000 title claims abstract description 28
- 238000001704 evaporation Methods 0.000 claims abstract description 26
- 230000008020 evaporation Effects 0.000 claims abstract description 26
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000002425 crystallisation Methods 0.000 claims abstract description 18
- 230000008025 crystallization Effects 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 239000012466 permeate Substances 0.000 claims abstract description 4
- 239000006228 supernatant Substances 0.000 claims abstract description 4
- 230000008014 freezing Effects 0.000 claims description 12
- 238000007710 freezing Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 238000001728 nano-filtration Methods 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 239000012452 mother liquor Substances 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- 239000012510 hollow fiber Substances 0.000 claims 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000706 filtrate Substances 0.000 claims 1
- 229910000029 sodium carbonate Inorganic materials 0.000 claims 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract description 7
- 239000011780 sodium chloride Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000012141 concentrate Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- 239000000243 solution Substances 0.000 description 9
- 238000010612 desalination reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012267 brine Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 2
- 150000001450 anions Chemical group 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005349 anion exchange Methods 0.000 description 1
- 239000003011 anion exchange membrane Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000007646 directional migration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a kind of bitter recycling treatment system, including：Bitter regulating reservoir, desalter, reaction tank, filter-pressing device；Divide salt device, divide the entrance of salt device to be connected with the supernatant outlet of reaction tank；First is exposed to the sun the pool, and the first entrance for being exposed to the sun the pool is connected with dividing the permeate of salt device to export, and the first outlet for being exposed to the sun the pool is connected with the first MVR evaporation and crystallization systems；And second be exposed to the sun the pool, second be exposed to the sun the pool entrance with dividing the concentrated solution outlet of salt device to be connected, the second outlet for being exposed to the sun the pool is connected with the 2nd MVR evaporation and crystallization systems.The utility model reduces the requirement of system influent quality, reduces the cost of investment and operating cost of reaction tank by setting desalter；By dividing salt device to carry out a point salt to the concentrate of bitter, it is possible to achieve solventing-out, be the NaCl and Na for subsequently obtaining high-purity2SO4Offer condition, realize the recycling of chemical substance in bitter.
Description
Technical field
The utility model belongs to bitter utilization of resources field, more particularly, to a kind of bitter recycling treatment system.
Background technology
China is the country of a serious water shortage, per capita water resources quantity about 2400m3, it is only whole world water per capita
1/4, and spatial and temporal distributions are uneven, and water environment pollution is more serious, and primary poor-quality water distribution area is wide, especially in northwest drought
Land area, because precipitation is rare, evaporation is strong, and water resource is naturally deficient, as the underground water of main resource of water supply, generally contains
Salt, fluorinated volume is high, and most area is again without alternative freshwater resources.Because water quality is inferior, mouthfeel extreme difference, or even can not drink
With wherein many index does not meet or do not reached country《Sanitary standard for drinking water》, show as high salt concentration alkali composition, or even table
It is now high rigidity, high fluorine, high arsenic, high ferrimanganic, low iodine, low selenium feature, has for many years had a strong impact on the life of the local people masses
Bioplasm amount and body health level, it can be seen that diseases prevention changes the urgency and necessity of water.
The desalination of bitter is actually saline-water reclamation, brine desalination is desalinated or is reached after processing and drinks water gauge
It is accurate.At present, domestic the Northwest's method for desalting brackish water mainly has the way of distillation, electric drive embrane method, hyperfiltration etc..Bitter is light
Contain a large amount of salinities and mineral resources after change in strong brine, how to improve the economy of brackish water desalination engineering is in current industry
One of research direction.
Electric drive membrane technology refers in the case where electric field force acts on ion by the membrane separating process of selective ion exchange membrane, its
Core is anion and cation exchange membrane, i.e., only allows cation using cation-exchange membrane by the way that anion-exchange membrane is only permitted
Perhaps the characteristic that anion passes through carries out the technology of Selective Separation to effects of ion.Under electric field force effect, the moon in solution
Directional migration occurs for cation, and another part water body is moved to from a part of water body, so as to reach solution separation, purification and concentration
Mesh.
Film evaporation is that one kind using Hollow-fibre membranes material was flow medium, improves gas-liquid two-phase contact area with this, carries
A kind of technology of high-moisture evaporation rate.Unit volume strong brine can be substantially reduced using film evaporation technique by evaporation to reach
The floor space needed for purpose is concentrated, can also reduce evaporation time to a certain extent, improve the efficiency of evaporation and concentration.
The content of the invention
The purpose of this utility model is, for the deficiencies in the prior art, there is provided at a kind of bitter recycling
Reason system.
Therefore, above-mentioned purpose of the present utility model is achieved through the following technical solutions：
A kind of bitter recycling treatment system, the bitter recycling treatment system include：
- bitter regulating reservoir, bitter is passed through in the bitter regulating reservoir；
- desalter, the entrance of the desalter are connected with the outlet of bitter regulating reservoir；
- reaction tank, the reaction tank are connected with the concentrated solution outlet of desalter；
- filter-pressing device, the entrance of the filter-pressing device are connected with the precipitation outlet of reaction tank；
- divide salt device, it is described to divide the entrance of salt device to be connected with the supernatant outlet of reaction tank；
- the first is exposed to the sun the pool, and the described first entrance for being exposed to the sun the pool is connected with dividing the permeate of salt device to export, and described the
One outlet for being exposed to the sun the pool is connected with the first MVR evaporation and crystallization systems；
And
- the second is exposed to the sun the pool, described second be exposed to the sun the pool entrance with dividing the concentrated solution outlet of salt device to be connected, described
Two outlets for being exposed to the sun the pool are connected with the 2nd MVR evaporation and crystallization systems.
The utility model provides a kind of bitter recycling treatment system, by setting desalter, reduces system water inlet
Water quality requirement, reduce the cost of investment and operating cost of reaction tank；By dividing salt device to carry out a point salt to the concentrate of bitter,
Solventing-out can be realized, is the NaCl and Na for subsequently obtaining high-purity2SO4Premise is provided, realizes chemical substance in bitter
Recycling, NaCl purity reach national two level Nacl standard（>97.5%）, Na2SO4Purity reach national two class Grade As
Standard（>98.0%）.
While using above-mentioned technical proposal, the utility model can also be used or combined using further below
Technical scheme：
The desalter is electric drive film device, and the desalination solution of electric drive film device is used as agricultural irrigation.
NaOH and Na are added in the reaction tank2CO3。
The pressing filtering liquid outlet of the filter-pressing device is connected with bitter regulating reservoir.
Described point of salt device is nanofiltration device, and the NF membrane of the nanofiltration device is a multivalent ion seperation film.
Described first, which is exposed to the sun in the pool, sets the first film evaporator, and first film evaporator sets hydrophobic doughnut
Film.
Set on connecting pipe between the outlet of first film evaporator and the entrance of the first MVR evaporation and crystallization systems
Put the first filter.
Described second, which is exposed to the sun in the pool, sets the second film evaporator, and second film evaporator sets hydrophobic doughnut
Film.
Set on connecting pipe between the outlet of second film evaporator and the entrance of the 2nd MVR evaporation and crystallization systems
Put the second filter.
The bitter recycling treatment system also includes freezing and crystallizing system, the entrance of the freezing and crystallizing system and
Two outlets for being exposed to the sun the pool are connected, and the mother liquor outlet of the freezing and crystallizing system is connected with second pool of being exposed to the sun.
Bitter recycling treatment system provided by the utility model first by being exposed to the sun in the pool and second is exposed to the sun the pool
First film evaporator and the second film evaporator are inside set respectively, the floor space on the pool of being exposed to the sun can be reduced, improves the steaming of water
Send out efficiency；By setting freezing and crystallizing system, so as to which winter can realize Na2SO4Crystallization, reduce its production run cost；It is logical
Electric drive film device+nanofiltration device+is crossed to be exposed to the sun the coupling of the pool/film evaporator+MVR evaporation and crystallization systems+freezing and crystallizing system
Mode, which obtains bitter recycling treatment system, can realize to brackish water desalination and " zero-emission " processing, both obtain freshwater resources
And can enough utilizes the chemical resource in bitter.
Brief description of the drawings
Fig. 1 is a kind of bitter recycling treatment system provided by the utility model；
In figure：101- bitter regulating reservoirs；201- electric drive film devices；301- reaction tanks；401- filter-pressing devices；501- receives
Filter device；601- first is exposed to the sun the pool；The film evaporators of 602- first；611- second is exposed to the sun the pool；The film evaporators of 612- second；
The MVR evaporation and crystallization systems of 701- the first；The MVR evaporation and crystallization systems of 711- the 2nd；The filters of 801- first；811- second is filtered
Device；901- freezing and crystallizing systems.
Embodiment
The utility model is described in further detail with specific embodiment referring to the drawings.
A kind of bitter recycling treatment system, including：
- bitter regulating reservoir 101, bitter is passed through in bitter regulating reservoir 101；
- desalter, the entrance of desalter are connected with the outlet of bitter regulating reservoir 101；
- reaction tank 301, reaction tank 301 are connected with the concentrated solution outlet of desalter；
- filter-pressing device 401, the entrance of filter-pressing device 401 are connected with the precipitation outlet of reaction tank 301；
- divide salt device, divide the entrance of salt device to be connected with the supernatant outlet of reaction tank；
- the first is exposed to the sun the pool 601, and the first entrance for being exposed to the sun the pool 601 is connected with dividing the permeate of salt device to export, and first
The be exposed to the sun outlet on the pool 601 is connected with the first MVR evaporation and crystallization systems 701；
And
- the second is exposed to the sun the pool 611, second be exposed to the sun the pool 611 entrance with dividing the concentrated solution outlet of salt device to be connected, second
The be exposed to the sun outlet on the pool 611 is connected with the 2nd MVR evaporation and crystallization systems 711.
Desalter is electric drive film device 201, and the desalination solution of electric drive film device is used as agricultural irrigation.
NaOH and Na are added in reaction tank 3012CO3。
The pressing filtering liquid outlet of filter-pressing device 401 is connected with bitter regulating reservoir 101.
It is nanofiltration device 501 to divide salt device, and the NF membrane of nanofiltration device 501 is a multivalent ion seperation film.
First, which is exposed to the sun in the pool 601, sets the first film evaporator 602, and the first film evaporator 602 sets hydrophobic hollow fibre
Tie up film.
On connecting pipe between the outlet of first film evaporator 602 and the entrance of the first MVR evaporation and crystallization systems 701
First filter 801 is set.
Second, which is exposed to the sun in the pool 611, sets the second film evaporator 612, and the second film evaporator 612 sets hydrophobic hollow fibre
Tie up film.
On connecting pipe between the outlet of second film evaporator 612 and the entrance of the 2nd MVR evaporation and crystallization systems 711
Second filter 811 is set.
Bitter recycling treatment system also includes freezing and crystallizing system 901, the entrance of freezing and crystallizing system 901 and second
The be exposed to the sun outlet on the pool 611 is connected, and the mother liquor outlet of freezing and crystallizing system 901 is connected with second pool 611 of being exposed to the sun.
Above-mentioned embodiment is used for illustrating the utility model, preferred embodiment only of the present utility model, and
It is not that the utility model is limited, it is new to this practicality in spirit of the present utility model and scope of the claims
Any modification, equivalent substitution and improvements that type is made etc., both fall within the scope of protection of the utility model.
Claims (10)
1. a kind of bitter recycling treatment system, it is characterised in that the bitter recycling treatment system includes：
- bitter regulating reservoir, bitter is passed through in the bitter regulating reservoir；
- desalter, the entrance of the desalter are connected with the outlet of bitter regulating reservoir；
- reaction tank, the reaction tank are connected with the concentrated solution outlet of desalter；
- filter-pressing device, the entrance of the filter-pressing device are connected with the precipitation outlet of reaction tank；
- divide salt device, it is described to divide the entrance of salt device to be connected with the supernatant outlet of reaction tank；
- the first is exposed to the sun the pool, and the described first entrance for being exposed to the sun the pool is connected with dividing the permeate of salt device to export, and described first is sudden and violent
The outlet for shining the pool is connected with the first MVR evaporation and crystallization systems；
And
- the second is exposed to the sun the pool, described second be exposed to the sun the pool entrance with dividing the concentrated solution outlet of salt device to be connected, described second is sudden and violent
The outlet for shining the pool is connected with the 2nd MVR evaporation and crystallization systems.
2. a kind of bitter recycling treatment system according to claim 1, it is characterised in that the desalter is electricity
Drive film device.
3. a kind of bitter recycling treatment system according to claim 1, it is characterised in that added in the reaction tank
NaOH and Na2CO3。
A kind of 4. bitter recycling treatment system according to claim 1, it is characterised in that the pressure of the filter-pressing device
Filtrate (liquid is connected with bitter regulating reservoir.
5. a kind of bitter recycling treatment system according to claim 1, it is characterised in that described to divide salt device to receive
Device is filtered, the NF membrane of the nanofiltration device is a multivalent ion seperation film.
6. a kind of bitter recycling treatment system according to claim 1, it is characterised in that described first is exposed to the sun in the pool
First film evaporator is set, and first film evaporator sets hydrophobic hollow fiber membrane.
A kind of 7. bitter recycling treatment system according to claim 6, it is characterised in that the first film evaporation dress
The first filter is set on connecting pipe between the outlet put and the entrance of the first MVR evaporation and crystallization systems.
8. a kind of bitter recycling treatment system according to claim 1, it is characterised in that described second is exposed to the sun in the pool
Second film evaporator is set, and second film evaporator sets hydrophobic hollow fiber membrane.
A kind of 9. bitter recycling treatment system according to claim 8, it is characterised in that the second film evaporation dress
The second filter is set on connecting pipe between the outlet put and the entrance of the 2nd MVR evaporation and crystallization systems.
10. according to a kind of above bitter recycling treatment system described in any one claim, it is characterised in that described
Bitter recycling treatment system also includes freezing and crystallizing system, and the entrance of the freezing and crystallizing system is exposed to the sun the going out of the pool with second
Mouthful it is connected, the mother liquor outlet of the freezing and crystallizing system is connected with second pool of being exposed to the sun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120588.3U CN206692497U (en) | 2017-02-09 | 2017-02-09 | A kind of bitter recycling treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120588.3U CN206692497U (en) | 2017-02-09 | 2017-02-09 | A kind of bitter recycling treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206692497U true CN206692497U (en) | 2017-12-01 |
Family
ID=60438828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720120588.3U Active CN206692497U (en) | 2017-02-09 | 2017-02-09 | A kind of bitter recycling treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206692497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304778A (en) * | 2019-07-17 | 2019-10-08 | 青岛沃赛海水淡化科技有限公司 | A kind of bitter treatment process |
-
2017
- 2017-02-09 CN CN201720120588.3U patent/CN206692497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304778A (en) * | 2019-07-17 | 2019-10-08 | 青岛沃赛海水淡化科技有限公司 | A kind of bitter treatment process |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Bitter resourceful treatment system Effective date of registration: 20180621 Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: 2018330000158 |
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Date of cancellation: 20190613 Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: 2018330000158 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Bitter resourceful treatment system Effective date of registration: 20190617 Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: 2019330000161 |
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Date of cancellation: 20210724 Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: 2019330000161 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A brackish water resource treatment system Effective date of registration: 20210810 Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Registration number: Y2021330001089 |
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Date of cancellation: 20220927 Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2021330001089 |
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Denomination of utility model: A resource treatment system for brackish water Effective date of registration: 20221020 Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2022330002569 |
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Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2022330002569 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Bitter Salt Water Resource Treatment System Granted publication date: 20171201 Pledgee: China Everbright Bank Limited by Share Ltd. Hangzhou Yuhang sub branch Pledgor: SUNUP ENVIRONMENTAL TECHNOLOGY CO.,LTD. Registration number: Y2024980010904 |
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