CN107486173A - For removing the filter medium, filter core and preparation method of benzopyrene from edible oil - Google Patents
For removing the filter medium, filter core and preparation method of benzopyrene from edible oil Download PDFInfo
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- CN107486173A CN107486173A CN201710799825.8A CN201710799825A CN107486173A CN 107486173 A CN107486173 A CN 107486173A CN 201710799825 A CN201710799825 A CN 201710799825A CN 107486173 A CN107486173 A CN 107486173A
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- powder
- filter medium
- oil
- benzopyrene
- edible oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
- B01J20/165—Natural alumino-silicates, e.g. zeolites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
- C11B3/00—Refining fats or fatty oils
- C11B3/10—Refining fats or fatty oils by adsorption
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- Oil, Petroleum & Natural Gas (AREA)
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Abstract
The invention provides a kind of preparation method for the filter medium for removing benzopyrene from edible oil, the filter core, oil purifier and oil strain kettle being made up of the filter medium are further related to.Comprise the following steps:A) ultra-high molecular weight polyethylene powder, medicinal active powdered carbon, roasting zeolite powder, atlapulgite powder and gas generation agent are mixed, obtain mixture, the ultra-high molecular weight polyethylene powder, medicinal active powdered carbon, roasting zeolite powder, the weight ratio of atlapulgite powder and gas generation agent are 100 ~ 190:5~50:20~60:25~60:80~130;B) by step a)The mixture of gained is suppressed, sinters, cooled down in a mold;The pressing pressure is 0.4MPa ~ 1Mpa, and sintering temperature is 200 DEG C ~ 245 DEG C, and sintering time is 90 ~ 150min, and chilling temperature is 40 DEG C ~ 60 DEG C.Filter medium provided by the invention is high to the clearance of benzopyrene from edible oil, and using simple, cost is low, without subsequent treatment, can exempt BaP to injury caused by human body, to the clearance of benzopyrene from edible oil more than 99%.
Description
Technical field
The present invention relates to a kind of filter medium for removing benzopyrene from edible oil and preparation method thereof, and by the filter medium
Filter core, oil purifier and the oil strain kettle of composition.
Background technology
BaP(English abbreviation BaP), it is a kind of multi-ring aromatic hydrocarbons that benzene forms with pyrene fusion.BaP is a kind of very strong
Carcinogenic substance, skin, lung and alimentary canal canceration can be induced.It is extremely strong that a kind of carcinogenicity is just had proven to be early in the 1930s
Compound.In 2006, BaP " was likely to pair by international cancer research institution of the World Health Organization from the second class A groups
Human carcinogen " is changed to the first kind " human carcinogen ".It was once done experiment by Japanese with rabbit.Experiment shows, incites somebody to action
BaP is coated on the ear of rabbit, is coated onto the 40th day, tumour has just been grown in rabbit ears.
BaP has a stronger lipophilic characteristics, raw material planting, harvesting pollution or processing conditions is improper is all likely to become
BaP source in grease.In addition, grease high-temperature heating after BaP content be heating before 2.33 times.After testing, it is used for multiple times
High-temperature vegetable oil, or the frying oil of Reusability can all produce BaP, and oil temperature used is higher during frying, caused BaP
It is more.More than 300 degree of heating, even short time, it can also produce substantial amounts of carcinogenic substance BaP.
In recent years, occur, about the exceeded food safety affair of BaP in edible vegetable oil, triggering in succession both at home and abroad
Government and the public are to the limit standard and detection method of the BaP in edible vegetable oil, as European Union is defined in edible vegetable oil
BaP maximum limitation is 2 μ g/kg, and Codex Alimentary Commission provides that the maximum limitation of BaP in vegetable oil is 5 μ g/kg, I
BaP maximum limitation is 10 μ g/kg in state's regulation edible vegetable oil.
At present, the content of benzopyrene from edible oil is reduced by protecting oil plant to dry environment, temperature production processing, but damaged
Consumption is high, causes cost to be difficult to receive;Or in course of oil processing, by heating, add certain carbon content active and carry out mixing and stir
Mix, final filtration, but operation is relatively cumbersome, and the filter residue after filtering easily pollutes environment, has an effect on execute-in-place.Chinese patent application
A kind of minimizing technologies of benzopyrene from edible oil (number of patent application 201110183678.4) of CN102260591A, its palliating degradation degree
Not high, ultraviolet radiation may cause the generation of peroxide, influence oil quality;Chinese patent application CN102160581A is public
The process of BaP and other harmful substances (number of patent application 201110064771.3) in a kind of quick removal tea oil is opened
Technique describes not specific, clear (grease inorganic agent is unclear), it is difficult to implements and reaches its effect.
The content of the invention
In view of this, present invention solves the technical problem that being to provide a kind of filter medium and preparation method thereof, the filtering is situated between
The clearance of BaP in confrontation edible oil is high, and method is simple.Additionally provide be made up of this filter medium filter core,
Oil purifier and oil strain kettle.
The invention provides a kind of preparation method for the filter medium for removing benzopyrene from edible oil, comprise the following steps:
Ultra-high molecular weight polyethylene powder, medical activated carbon, roasting zeolite powder, atlapulgite and gas generation agent are mixed, mixed
Thing, the ultra-high molecular weight polyethylene powder, medical activated carbon, roasting zeolite powder, the weight ratio of atlapulgite and gas generation agent are 100
~190:5~50:20~60:25~60:80~130;Preferably 110 ~ 180:10~40:30~50:35~50:90~120;More preferably
120~170:20~30:35~40:40~50:95~115。
B) by step a)The mixture of gained is suppressed, sinters, cooled down in a mold;The pressing pressure be 0.4MPa ~
1Mpa;The sintering temperature is 200 DEG C ~ 245 DEG C;The sintering time is 90 ~ 150min;The chilling temperature is 40 DEG C ~ 60
℃。
Specifically, mixed powder is filled into pre-designed mould, it is compacted into by pressurization, pressure is excellent
Choosing is not more than 2MPa, more preferably 0.4 ~ 1.0MPa, and is adapted with the material of mould therefor;Mould can by cast iron, steel or
Any appropriate material manufacture that can bear relevant pressure and temperature.Silicon can be selected in mould inner surface release agent application
Oxygen alkane is oily or any other commercially available releasing agent being hardly adsorbed onto on filter medium, can also use processing release paper.Sintering
Temperature is 200 DEG C~245 DEG C, more preferably 220 DEG C~240 DEG C;Sintering time be 90 minutes~120 minutes, more preferably 100
Minute~110 minutes;40 DEG C~60 DEG C demouldings are cooled to after sintering.In this manufacturing process, in the experiment of inventor many times
Afterwards, the filter medium produced in above-mentioned sintering temperature and time range is drawn, filter effect is more preferable.
Described ultra-high molecular weight polyethylene is the polyethylene that weight average molecular weight is more than 1,000,000, and preferable particle diameter is 89 μm
~124 μm.Ultra-high molecular weight polyethylene can obtain from domestic production producer, such as Beijing Orient petrochemical industry Co., Ltd auxiliary agent two
Factory can provide M-I types(Molecular weight is 150 ± 500,000), M-II types(Molecular weight is 250 ± 500,000), M-III types(Molecular weight is
350 ± 500,000), M-IV types(Molecular weight is more than 4,000,000)The product of equal-specification.One effect of ultra-high molecular weight polyethylene is
The effect of filter medium skeleton is bonded and is formed, because the molecular weight of ultra-high molecular weight polyethylene is big, melt viscosity is very high, melts
It can not flow after melting, so using ultra-high molecular weight polyethylene by suppressing, sintering obtained filter medium, easily be formed micro-
Hole, it can play a part of purifying edible oil.
The primary raw material of activated carbon can be almost all organic materials rich in carbon, such as coal, timber, shell, coconut husk, core
Peach shell, apricot shell, jujube shell etc..These carbonaceous materials are changed in activation furnace under high temperature and certain pressure by pyrolysis
Viability charcoal.It is a kind of porous material, has cellular pore structure, larger specific surface area, special surface official
It can roll into a ball, stable physical and chemical properties, be excellent adsorbent, catalyst or catalyst carrier.
Activated carbon contains a large amount of micropores, can effectively remove heterochromatic, peculiar smell in frying oil, can remove most of organic contaminations
Thing and some inorganic matters, particularly efficient absorption BaP carcinogenic substance.Medical activated carbon, as the related drug surveilance standard of country
Product, impurity content is low, and surface area is bigger, and adsorption effect is also more preferable, and from medical activated carbon can ensure filtering be situated between
Matter is directly used in the processing of frying oil.
In the present invention, it is preferred to use particle diameter, for 84~100 μm of medical activated carbon, the specific surface area of the activated carbon is excellent
Choosing is not less than 500m2/g, more desirably not less than l000m2/g.
Zeolite is the most commonly used with natural zeolite, including modenite, chabasie, magnesium zeolite and clinoptilolite powder etc. are tens of
Kind.Natural zeolite is the general name of aqueous polysilicate, and its crystalline texture is mainly made up of silicon-oxy tetrahedron, which part tetravalence
Silicon ion is substituted by trivalent silicon ion, causes negative electrical charge superfluous, therefore have alkali metal in structure(Or alkaline-earth metal)Isoequilibrium electricity
The ion of lotus, while have vestibule and the duct of certain pore size in zeolite framework, determine that it has the property such as absorption, ion exchange
Matter.
Roasting zeolite powder of the present invention is to be boiled by the natural tiltedly hair Na type H type P type zeolite powder or octahedral of high-temperature process
The one or more of stone flour etc..Preparation method is to take to be crushed to 80 ~ 180 μm of zeolite powder, using high-temperature calcination technique, then
Natural cooling.The high temperature is preferably 450 ~ 580 DEG C, and roasting time is 3.5 ~ 4.5 hours.
It with clay is raw material that atlapulgite, which is, is handled through inorganic acidifying, then rinsed through water, drying is made, odorless, tasteless,
Nontoxic, not soluble in water, organic solvent and each quasi-grease, absorption property is very strong, and purposes is extremely wide.It is used in vegetable and animals oils highly industry
Decolourize and purify;In petroleum industry, for Petropols, paraffin, paraffin oil, the decolouring and purification of kerosene;Paper industry is used for
The coloring agent of carbon paper, fill out oil plant, dyestuff;It is used as fire extinguisher powder in terms of forestry and soil-water protection;It is used as in chemical industry
Catalyst and catalytic carrier, the carrier of insecticide, agricultural chemicals and bactericide, rubber and filler for plastic, drier and filtering agent, put
Penetrate the adsorbent of waste.
Preferably, the particle diameter of atlapulgite powder of the present invention is 65 ~ 120 μm.
Gas generation agent of the present invention is a kind of material for easily decomposing and producing a large amount of gases and causing hair engaging aperture to act on, wherein azo
Class compound, sodium acid carbonate, ammonium hydrogen carbonate, ammonium carbonate, sulphonyl nitrile compounds, oxalic acid etc. are its typical representatives.As excellent
Choosing, gas generation agent are at least one of azodicarbonamide, food grade ammonium bicarbonate, oxalic acid.Wherein, food grade ammonium bicarbonate
Claim AMMONIUM BICARBONATE FOOD GRADE, distinguished with technical grade ammonium hydrogen carbonate.Although technical grade ammonium hydrogen carbonate also plays the role of hair engaging aperture,
It may the impurity containing insalubrity, should not be used as frying oil filter medium raw materials for production.
The creative discovery of the present inventor, by above-mentioned ultra-high molecular weight polyethylene powder, medicinal active powdered carbon, roasting zeolite
Powder, atlapulgite and gas generation agent it is sintered after, form mutually synergy, the BaP in edible oil can be adsorbed fully.
In the present invention, it is not particularly limited for the source and purity of above-mentioned raw materials, it is preferably commercially available.
In the present invention, the no any restrictions of mixing for above-mentioned raw materials, powder will not can be significantly changed to be any
The low shear mixer or agitator of particle diameter and size distribution, preferably can be that agitator, the drum-type of blunt impeller blade are mixed
Clutch, spiral agitator etc..This is not entered depending on the type of blender for the rotating speed of above-mentioned mixer and agitator
Row limitation, preferably avoids kicking up dust.
Present invention also offers following technical scheme:By above-mentioned preparation method obtain be used for remove benzopyrene from edible oil
Filter medium.
Present invention also offers following technical scheme:A kind of removal benzopyrene from edible oil being made up of above-mentioned filter medium
Filter core.
Present invention also offers following technical scheme:A kind of oil purifier, including above-mentioned filter medium or filter core.
Present invention also offers a kind of oil strain kettle including above-mentioned oil purifier.
The present invention coordinates specific sintering temperature, pressure and chilling temperature, is prepared under above-mentioned raw materials synergy
Filter medium it is high to the clearance of benzopyrene from edible oil, method is simple, suitable for edible oil pollute by it, release benzo
Pyrene is to injury caused by human body, and easy to use, cost is low, is not powder additionally, due to filter core is used, so without follow-up
Processing.After testing the filter medium to the clearance of benzopyrene from edible oil more than 99%.
Embodiment
In order to further illustrate the present invention, with reference to embodiments to removal benzopyrene from edible oil provided by the invention
Filter medium is described in detail.
Embodiment 1
(1)Ultra-high molecular weight polyethylene powder 180g is weighed, the ultra-high molecular weight polyethylene is that Beijing Orient petrochemical industry is limited
The M-I type products of second auxiliary factory of company, its molecular weight are 1,500,000;
(2)The medicinal active powdered carbon 20g that particle diameter is 90 μm is weighed, the specific surface area of the medical activated carbon is 700m2/g;
(3)Weigh 120 μm of the roasting zeolite powder 50g that the modification mode of 460 DEG C of roasting temperatures is modified;
(4)It is 65 ~ 120 μm of atlapulgite powder 70g to weigh particle diameter, originates from Guangzhou and looks forward to Tonghua Co., Ltd;
(5)Weigh gas generation agent 110g;
(6)Above-mentioned five kinds of powder, which are put into, to stir 10 minutes in mechanical agitator is well mixed it;
(7)Take 200g to be packed into tubular die in powder upon mixing, suppressed under 0.7MPa hydraulic pressure, 200
Sintered 120 minutes at a temperature of DEG C;
(8)Naturally cool to 50 DEG C and then be stripped with siloxanes uranium releasing agent, produce filter core.
Embodiment 2
(1)Ultra-high molecular weight polyethylene powder 150g is weighed, the ultra-high molecular weight polyethylene is that Beijing Orient petrochemical industry is limited
The M-III type products of second auxiliary factory of company, its molecular weight are 3,700,000;
(2)The medicinal active powdered carbon 14g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g;
(3)110 μm of roasting zeolite powder 45g for claiming the modification mode of 500 DEG C of roasting temperatures to be modified;
(4)It is 65 ~ 120 μm of atlapulgite powder 50g to weigh particle diameter, originates from Dongguan atlapulgite drier and opens up the limited public affairs of gloomy chemical industry
Department;
(5)Weigh gas generation agent 110g;
(6)Above-mentioned five kinds of powder, which are put into, to stir 10 minutes in mechanical agitator is well mixed it;
(7)Take 200g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, 220
Sintered 100 minutes at a temperature of DEG C;
(8)Naturally cool to 50 DEG C and then be stripped with siloxanes uranium releasing agent, produce filter core.
Embodiment 3
(1)Ultra-high molecular weight polyethylene powder 120g is weighed, the ultra-high molecular weight polyethylene is that Beijing Orient petrochemical industry is limited
The M-IV type products of second auxiliary factory of company, its molecular weight are 4,300,000;
(2)The medicinal active powdered carbon 10g that particle diameter is 96 μm is weighed, the specific surface area of the medical activated carbon is 1200m2/g;
(3)Claim 90 μm of the oblique hair roasting zeolite powder 25g that the modification mode of 450 DEG C of roasting temperatures is modified;
(4)It is 65 ~ 120 μm of atlapulgite powder 30g to weigh particle diameter, originates from Inner Mongol profit Longhua work Co., Ltd;
(5)Weigh gas generation agent 90g;
(6)Above-mentioned five kinds of powder, which are put into, to stir 10 minutes in mechanical agitator is well mixed it;
(7)Take 200g to be packed into tubular die in powder upon mixing, suppressed under 0.9MPa hydraulic pressure, 240
Sintered 90 minutes at a temperature of DEG C;
(8)Naturally cool to 50 DEG C and then be stripped with siloxanes uranium releasing agent, produce filter core.
Embodiment 4
Example 1~3 much micropores tubulose filter core 1,2,3 filter cores, liner two-layer nonwoven, nonwoven of double-baging outside
Cloth, then polypropylene porous web is wrapped in outer layer, filter core both ends are bonded with connection end cap, are positioned in stainless steel or plastic casing,
For handling edible oil, after testing, the filter core is good to the removal effect of the BaP in edible oil, as shown in table 1.Very
It is adapted to the filtering needs of family or food and drink edible oil.
Table 1 uses the BaP content of filter core edible oil before and after the processing, unit:ppb
The method of testing used in table l is with reference to standard GB/T 5009.27-2016, with liquid chromatography to each filter element filtering
Front and rear edible oil detects the content of BaP respectively.It can be seen that from table l and be removed edible oil using the filter core of the present invention
Middle BaP achieves good effect.
To filter medium provided by the present invention and preparation method thereof and made of the filter medium, filter core enters above
Go and be discussed in detail.Specific embodiment is applied in this specification to be set forth the principle and embodiment of the present invention, it is right
In those of ordinary skill in the art, the thought according to the present invention is in specific embodiments and applications in implementation process
Any change should be included in protection scope of the present invention within.Therefore, the content that this specification is recorded should not be construed as to this
The limitation of invention.
Claims (7)
1. a kind of preparation method for the filter medium for removing benzopyrene from edible oil, it is characterised in that follow the steps below:
A) ultra-high molecular weight polyethylene powder, medicinal active powdered carbon, roasting zeolite powder, atlapulgite powder and gas generation agent are mixed, mixed
Compound, the ultra-high molecular weight polyethylene powder, medicinal active powdered carbon, the weight for being calcined zeolite powder, atlapulgite powder and gas generation agent
Than for 100 ~ 190:5~50:20~60:25~60:80~130;B) by step a)The mixture of gained suppresses, sinters in a mold,
Cooling;The pressing pressure is 0.4MPa ~ 1Mpa;The sintering temperature is 200 DEG C ~ 245 DEG C;The sintering time be 90 ~
150min;The chilling temperature is 40 DEG C ~ 60 DEG C.
2. preparation method according to claim 1, it is characterised in that the zeolite powder for roasting zeolite powder, the roasting
Zeolite powder is the one or more by the natural tiltedly hair Na type H type P type zeolite powder or faujasite powder of high-temperature process etc..
3. preparation method according to claim 1, it is characterised in that the particle diameter of atlapulgite powder of the present invention is 65 ~ 120 μ
m。
4. the mistake for being used to remove benzopyrene from edible oil that preparation method according to any one of claim 1 to 3 obtains
Filter medium.
5. a kind of filter core, it is characterised in that be made up of the filter medium described in claim 4.
6. a kind of oil purifier, it is characterised in that including described in the filter medium described in claim 4 or claim 5
Filter core.
7. a kind of oil strain kettle, it is characterised in that including the oil purifier described in claim 6.
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Cited By (1)
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CN102430286A (en) * | 2011-09-19 | 2012-05-02 | 周奇迪 | Filtering medium capable of removing benzo(a)pyrene in water, preparation method thereof, filtering core and water purifying device |
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CN102266691A (en) * | 2011-06-16 | 2011-12-07 | 奇迪电器集团有限公司 | Filtering medium for removing ammonia nitrogen from drinking water and preparation method thereof |
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Application publication date: 20171219 |