CN113772850A - Preparation method of natural mineral element concentrated water - Google Patents
Preparation method of natural mineral element concentrated water Download PDFInfo
- Publication number
- CN113772850A CN113772850A CN202111145136.8A CN202111145136A CN113772850A CN 113772850 A CN113772850 A CN 113772850A CN 202111145136 A CN202111145136 A CN 202111145136A CN 113772850 A CN113772850 A CN 113772850A
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- water
- quartz sand
- filter
- filtering
- natural mineral
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000002366 mineral element Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000006004 Quartz sand Substances 0.000 claims abstract description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims abstract description 26
- 239000000706 filtrate Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 235000020188 drinking water Nutrition 0.000 claims abstract description 18
- 239000003651 drinking water Substances 0.000 claims abstract description 18
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 15
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 13
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000001728 nano-filtration Methods 0.000 claims abstract description 12
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 20
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 239000011148 porous material Substances 0.000 claims 1
- 239000000047 product Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000012141 concentrate Substances 0.000 abstract 1
- 239000004743 Polypropylene Substances 0.000 description 10
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 235000010755 mineral Nutrition 0.000 description 6
- 235000020682 bottled natural mineral water Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 208000024172 Cardiovascular disease Diseases 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- 206010003210 Arteriosclerosis Diseases 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 206010039966 Senile dementia Diseases 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 208000007107 Stomach Ulcer Diseases 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000011775 arteriosclerosis disease Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 230000009084 cardiovascular function Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 201000005917 gastric ulcer Diseases 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 208000018556 stomach disease Diseases 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of drinking water, and discloses a preparation method of concentrated water containing natural mineral elements, which comprises the following operation steps: filtering drinking water naturally containing metasilicic acid or strontium mineral elements by a quartz sand layer and an activated carbon layer in sequence, filtering filtrate by a PP cotton filter membrane with the filter diameter of 5 mu m, concentrating and ultrafiltering the obtained filtrate by a nanofiltration membrane, filtering by the PP cotton filter membrane with the filter diameter of 1 mu m, and sterilizing the obtained filtrate by ozone to obtain the natural mineral element concentrated water. Compared with the prior art, the invention has the following beneficial effects: the method can concentrate the mineral elements needed by human body in the product to more than 50% of the original water, and ensure that other indexes all meet the standard requirements of national packaged drinking water (natural spring water), and the metasilicic acid content of the finished product water is more than 50mg per liter or the strontium content is more than 0.4mg per liter.
Description
Technical Field
The invention belongs to the technical field of drinking water, and particularly relates to a preparation method of natural mineral element concentrated water.
Background
The natural mineral water is water with a water source which is a high-quality natural water source meeting the drinking water sanitary standard and contains a certain amount of minerals. At present, a lot of natural mineral water exists in the market, but the mineral content is determined by the water quality, and meanwhile, the natural mineral water has the advantages of low content, low nutrient density, small difference compared with normal drinking water and high price, so that the cost performance is not high, and the natural mineral water is difficult to be accepted by the public.
In view of this, this patent is filed.
Disclosure of Invention
In order to overcome the defects of the prior art, the natural mineral-containing water is adopted as a raw material, and is converted into the natural mineral concentrated water by utilizing adsorption filtration and membrane technology, so that the nutritional density of the natural mineral concentrated water is improved on the premise of meeting the national packaging drinking water (natural spring water) standard, and the natural mineral concentrated water has a health-care function.
The invention aims to provide a preparation method of natural mineral element concentrated water.
The preparation method of the natural mineral element concentrated water according to the embodiment of the invention comprises the following operation steps: filtering drinking water containing mineral elements in nature through a quartz sand layer and an activated carbon layer in sequence, filtering filtrate through a PP (polypropylene) cotton filter membrane with the filter diameter of 5 mu m, concentrating and ultrafiltering the obtained filtrate through a nanofiltration membrane, wherein the mineral elements in the filtrate are increased by more than 50 percent compared with the mineral elements in the raw water, filtering through the PP cotton filter membrane with the filter diameter of 1 mu m, and sterilizing the obtained filtrate through ozone to obtain the natural mineral element concentrated water; the obtained concentrated water has metasilicic acid content of more than 50mg per liter or strontium content of more than 0.4mg per liter, and can meet the standard of natural mineral element concentrated water.
According to the preparation method of the natural mineral element concentrated water, an upper layer of quartz sand and a lower layer of quartz sand are arranged in the quartz sand filter, the particle size of the upper layer of quartz sand is 3mm, and the particle size of the lower layer of quartz sand is 5 mm.
According to the preparation method of the natural mineral element concentrated water, an upper layer of activated carbon and a lower layer of activated carbon are arranged in the activated carbon filter, the particle size of the upper layer of activated carbon is 3mm, and the particle size of the lower layer of activated carbon is 5 mm.
According to the preparation method of the natural mineral element concentrated water, the aperture of the nanofiltration membrane is 0.5-2nm, and the molecular weight cut-off is about 150-500 Da.
The drinking water naturally containing mineral elements has metasilicic acid content of more than 25mg per liter or strontium content of more than 0.2mg per liter.
Wherein the quartz sand has the following functions: impurities, suspended matters, turbidity and the like in filtered water; the active carbon has the following functions: the water purifying agent can remove residual chlorine, colloid, organic matters, heavy metals (mercury, silver, cadmium, chromium, lead, nickel and the like) and radioactive substances in water, has strong adsorption effect, can filter free matters, microorganisms and partial heavy metal ions in water, and can effectively reduce the chromaticity of water.
The natural mineral element concentrated water contains metasilicic acid or strontium, wherein metasilicic acid is helpful for removing aluminum in brains of patients with senile dementia, and has a relieving effect, and metasilicic acid can also soften blood vessels, dredge the blood vessels, and keep the elasticity of the blood vessel walls, so that thrombus and blood fat are removed, and cardiovascular diseases are prevented and treated; meanwhile, the health care tea has certain medical care effects on heart diseases, hypertension, arteriosclerosis, nerve function disorder, stomach diseases, gastric ulcer and the like; strontium is a trace element necessary for a human body, but the content of strontium is very small; strontium is associated with cardiovascular function and structure; strontium has effects of strengthening bone and preventing and treating cardiovascular diseases in human body; lack of strontium in the human body can hinder metabolism and cause abnormal development of teeth and bones.
Compared with the prior art, the invention has the following beneficial effects:
(1) the preparation method of the natural mineral element concentrated water has the advantages of simple process and convenient operation, can improve the concentration of mineral elements in raw water by more than 50 percent, ensures that other indexes all meet the standard requirements of national packaged drinking water (natural spring water), and is suitable for industrial production;
(2) the finished product water prepared by the preparation method of the natural mineral element concentrated water has the metasilicic acid content of more than 50mg per liter or the strontium content of more than 0.4mg per liter, has higher health care value, and is suitable for various people to drink.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The nanofiltration membrane and the PP cotton filter membrane adopted in the invention can be purchased through common commercial approaches, and are not limited too much.
Example 1
The embodiment provides a preparation method of natural mineral element concentrated water, which comprises the following operation steps: filtering drinking water containing mineral elements in nature through a quartz sand layer and an activated carbon layer in sequence, filtering filtrate through a PP cotton filter membrane with the filter diameter of 5 mu m, concentrating and ultrafiltering the obtained filtrate through a nanofiltration membrane, wherein the mineral elements obtained by concentration and ultrafiltration can be improved by more than 50% compared with the raw water, filtering through the PP cotton filter membrane with the filter diameter of 1 mu m, and sterilizing the obtained filtrate through ozone to obtain the natural mineral element concentrated water.
An upper layer of quartz sand and a lower layer of quartz sand are arranged in the quartz sand filter, the particle size of the upper layer of quartz sand is 3mm, and the particle size of the lower layer of quartz sand is 5 mm; an upper layer of active carbon and a lower layer of active carbon are arranged in the active carbon filter, the particle size of the upper layer of active carbon is 3mm, and the particle size of the lower layer of active carbon is 5 mm; the aperture of the nanofiltration membrane is 0.5nm, and the cut-off molecular weight range is 150-500 Da; the drinking water naturally containing mineral elements has metasilicic acid content of more than 25mg per liter or strontium content of more than 0.2mg per liter.
Example 2
The embodiment provides a preparation method of natural mineral element concentrated water, which comprises the following operation steps: filtering drinking water containing mineral elements in nature through a quartz sand layer and an activated carbon layer in sequence, filtering filtrate through a PP cotton filter membrane with the filter diameter of 5 mu m, concentrating and ultrafiltering the obtained filtrate through a nanofiltration membrane, wherein the mineral elements obtained by concentration and ultrafiltration can be improved by more than 50% compared with the raw water, filtering through the PP cotton filter membrane with the filter diameter of 1 mu m, and sterilizing the obtained filtrate through ozone to obtain the natural mineral element concentrated water.
An upper layer of quartz sand and a lower layer of quartz sand are arranged in the quartz sand filter, the particle size of the upper layer of quartz sand is 3mm, and the particle size of the lower layer of quartz sand is 5 mm; an upper layer of active carbon and a lower layer of active carbon are arranged in the active carbon filter, the particle size of the upper layer of active carbon is 3mm, and the particle size of the lower layer of active carbon is 5 mm; the aperture of the nanofiltration membrane is 2nm, and the cut-off molecular weight range is 150-500 Da; the drinking water naturally containing mineral elements has metasilicic acid content of more than 25mg per liter or strontium content of more than 0.2mg per liter.
Example 3
The embodiment provides a preparation method of natural mineral element concentrated water, which comprises the following operation steps: filtering drinking water containing mineral elements in nature through a quartz sand layer and an activated carbon layer in sequence, filtering filtrate through a PP cotton filter membrane with the filter diameter of 5 mu m, concentrating and ultrafiltering the obtained filtrate through a nanofiltration membrane, improving the mineral element content of the ultrafiltered filtrate by more than 50%, filtering through the PP cotton filter membrane with the filter diameter of 1 mu m, and sterilizing the obtained filtrate through ozone to obtain the natural mineral element concentrated water.
An upper layer of quartz sand and a lower layer of quartz sand are arranged in the quartz sand filter, the particle size of the upper layer of quartz sand is 3mm, and the particle size of the lower layer of quartz sand is 5 mm; an upper layer of active carbon and a lower layer of active carbon are arranged in the active carbon filter, the particle size of the upper layer of active carbon is 3mm, and the particle size of the lower layer of active carbon is 5 mm; the aperture of the nanofiltration membrane is 1nm, and the cut-off molecular weight range is 150-500 Da; the drinking water naturally containing mineral elements has metasilicic acid content of more than 25mg per liter or strontium content of more than 0.2mg per liter.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. A preparation method of natural mineral element concentrated water is characterized by comprising the following operation steps: filtering drinking water containing mineral elements in sequence by a quartz sand filter and an active carbon filter, filtering filtrate by a PP cotton filter membrane with the filter diameter of 5 mu m, concentrating and ultrafiltering the obtained filtrate by a nanofiltration membrane, filtering by the PP cotton filter membrane with the filter diameter of 1 mu m, and sterilizing the obtained filtrate by ozone to obtain the natural mineral element concentrated water.
2. The method according to claim 1, wherein the quartz sand filter is provided with an upper layer of quartz sand and a lower layer of quartz sand, the upper layer of quartz sand has a particle size of 3mm, and the lower layer of quartz sand has a particle size of 5 mm.
3. The method according to claim 1, wherein an upper layer of activated carbon and a lower layer of activated carbon are provided in the activated carbon filter, the particle size of the upper layer of activated carbon is 3mm, and the particle size of the lower layer of activated carbon is 5 mm.
4. The method according to claim 1, wherein the nanofiltration membrane has a pore size of 0.5 to 2 nm.
5. The method of claim 1, wherein the drinking water contains metasilicic acid in an amount of greater than 25mg per liter or strontium in an amount of greater than 0.2mg per liter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145136.8A CN113772850A (en) | 2021-09-28 | 2021-09-28 | Preparation method of natural mineral element concentrated water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111145136.8A CN113772850A (en) | 2021-09-28 | 2021-09-28 | Preparation method of natural mineral element concentrated water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113772850A true CN113772850A (en) | 2021-12-10 |
Family
ID=78854114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111145136.8A Pending CN113772850A (en) | 2021-09-28 | 2021-09-28 | Preparation method of natural mineral element concentrated water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113772850A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10249332A (en) * | 1997-03-17 | 1998-09-22 | Toyobo Co Ltd | Water purifier and water purifying device |
| CN111533347A (en) * | 2020-05-21 | 2020-08-14 | 潘怀宏 | Preparation method of balanced nutrient water |
-
2021
- 2021-09-28 CN CN202111145136.8A patent/CN113772850A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10249332A (en) * | 1997-03-17 | 1998-09-22 | Toyobo Co Ltd | Water purifier and water purifying device |
| CN111533347A (en) * | 2020-05-21 | 2020-08-14 | 潘怀宏 | Preparation method of balanced nutrient water |
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Application publication date: 20211210 |
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