CN104028246A - Filtering medium for removing tin in water and preparation method thereof - Google Patents
Filtering medium for removing tin in water and preparation method thereof Download PDFInfo
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- CN104028246A CN104028246A CN201410210070.XA CN201410210070A CN104028246A CN 104028246 A CN104028246 A CN 104028246A CN 201410210070 A CN201410210070 A CN 201410210070A CN 104028246 A CN104028246 A CN 104028246A
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000001914 filtration Methods 0.000 title abstract description 6
- 239000004927 clay Substances 0.000 claims abstract description 41
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 28
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 28
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002356 single layer Substances 0.000 claims abstract description 16
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 15
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 10
- 238000010792 warming Methods 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000004113 Sepiolite Substances 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052624 sepiolite Inorganic materials 0.000 claims description 3
- 235000019355 sepiolite Nutrition 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 8
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003651 drinking water Substances 0.000 description 5
- 235000020188 drinking water Nutrition 0.000 description 5
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 150000003606 tin compounds Chemical class 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- 208000005374 Poisoning Diseases 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 210000004185 liver Anatomy 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 231100000572 poisoning Toxicity 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000001994 activation Methods 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 159000000013 aluminium salts Chemical class 0.000 description 1
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000007969 cellular immunity Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 230000004727 humoral immunity Effects 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Abstract
The invention provides a filtering medium for removing tin in water and a preparation method thereof. Adopted ultrahigh-molecular-weight polyethylene, titanium dioxide, single-layer carbon nanotubes and modified clay all have quite strong adsorption effect on tin, so that under the collaborative addition action of the raw materials, a filter core prepared by utilizing the filtering medium provided by the invention can effectively remove tin in to-be-treated water. Experimental results show that the filter core provided by the invention has higher removal rate on tin, and is suitable for needs of family terminal application water treatment.
Description
Technical field
The present invention relates to water-treatment technology field, relate in particular to a kind of for removing filter medium of water tin and preparation method thereof.
Background technology
Industry and developing rapidly of agricultural cause water resource to be seriously damaged, industrial wastewater discharge is in rivers, lake, agricultural chemicals, agrochemical be the discharge wantonly of use and sanitary wastewater, industrial wastewater in a large number, these all cause the water quality variation of underground water and surface water, cause producing a lot of harmful materials in water, water pollutes more and more becomes the Tough questions that affects people's life.
Tin is a Heavy Metallic Elements, and its compound excess intake can cause poisoning.The compound of tin is mainly divided into inorganic tin compound and organic tin compound, and wherein organic tin compound has medium extremely height toxicity mostly, can cause acute poisoning, slow poisoning and mucocutaneous infringement etc.Organo-tin compound generally can be by respiratory tract, alimentary canal and the mucocutaneous body that enters.Organotin is mainly distributed to blood, liver after entering in body, and kidney, spleen, the heart, brain and bone chromium flesh distribute less.Organotin mainly can cause a series of liver and galls of body, nervous system damage after entering in human body.Some organo-tin compound also can cause cellular immunity, humoral immunity and non-specific host defense defect etc.
At present, the method for detin is a lot, for example, and chemical oxidization method, electrolysis and bioanalysis etc.But the effect of the tin in method removal drinking water of the prior art is undesirable, therefore needs to provide a kind of filter medium tin in drinking water to higher clearance.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of for removing filter medium of water tin and preparation method thereof, and for removing water tin, clearance is higher.
In view of this, the invention provides a kind ofly for removing the preparation method of filter medium of water tin, comprise the following steps:
Mixture is placed in to the mold pressing of mold pressing device, then sintering 80～120 minutes at 160～200 DEG C, after cooling, the demoulding, obtain filter medium, described mixture is made up of following component: the single-layer carbon nano-tube of the ultra-high molecular weight polyethylene of 400～500 weight portions, the titanium dioxide of 100～200 weight portions, 100～200 weight portions, the modified clay of 200～300 weight portions, and the weight average molecular weight of described ultra-high molecular weight polyethylene is 6,000,000～7,000,000;
Described modified clay is prepared as follows: clay is mixed with alkali compounds, react after 20～25 hours and obtain mixture at 200～300 DEG C; Described mixture is mixed with gas generation agent, and controlling pH value is 6～11; Be warming up to 100～180 DEG C, be incubated and obtain modified clay after 1～10 hour.
Preferably, sintering temperature is 175 DEG C, and sintering time is 95 minutes.
Preferably, the particle diameter of described titanium dioxide is 5～500nm.
Preferably, the particle diameter of described titanium dioxide is 100～150nm.
Preferably, described CNT is processed in accordance with the following methods:
CNT is carried out at 1400～1450 DEG C to high-temperature process.
Preferably, described clay is one or more in kaolin, bentonite, imvite and sepiolite.
Preferably, described alkali compounds is sodium carbonate or sodium acid carbonate.
Preferably, described ultra-high molecular weight polyethylene is 450 weight portions; Titanium dioxide is 150 weight portions; Single-layer carbon nano-tube is 150 weight portions, and modified clay is 250 weight portions.
Accordingly, the present invention also provide a kind of prepared by above-mentioned preparation method for removing the filter medium of water tin.
Accordingly, the present invention also provide a kind of formed by above-mentioned filter medium for removing the filter core of water tin.
The invention provides a kind of for removing the preparation method of filter medium of water tin, comprise the following steps: mixture is placed in to the mold pressing of mold pressing device, after sintering, cooling, the demoulding, obtain filter medium, described mixture is made up of following component: ultra-high molecular weight polyethylene, titanium dioxide, single-layer carbon nano-tube and modified clay, described modified clay is prepared as follows: clay is mixed with alkali compounds, react after 20～25 hours and obtain mixture at 200～300 DEG C; Described mixture is mixed with gas generation agent, and controlling pH value is 6～11; Be warming up to 100～180 DEG C, be incubated and obtain modified clay after 1～10 hour.
The ultra-high molecular weight polyethylene, titanium dioxide, single-layer carbon nano-tube and the modified clay that adopt due to the present invention all have very strong suction-operated to tin, therefore, under the collaborative adduction of above-mentioned raw materials, utilize the filter core that filter medium provided by the invention prepares can effectively remove the tin in pending water.Experimental result shows, filter core provided by the invention is higher to the clearance of tin, is applicable to the needs of home terminal application water treatment.
Detailed description of the invention
In order further to understand the present invention, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these are described is for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The embodiment of the invention discloses a kind of for removing the preparation method of filter medium of water tin, comprise the following steps: mixture is placed in to the mold pressing of mold pressing device, then sintering 80～120 minutes at 160～200 DEG C, after cooling, the demoulding, obtain filter medium, described mixture is made up of following component: the single-layer carbon nano-tube of the ultra-high molecular weight polyethylene of 400～500 weight portions, the titanium dioxide of 100～200 weight portions, 100～200 weight portions, the modified clay of 200～300 weight portions, and the weight average molecular weight of described ultra-high molecular weight polyethylene is 6,000,000～7,000,000; Described modified clay is prepared as follows: clay is mixed with alkali compounds, react after 20～25 hours and obtain mixture at 200～300 DEG C; Described mixture is mixed with gas generation agent, and controlling pH value is 6～11; Be warming up to 100～180 DEG C, be incubated and obtain modified clay after 1～10 hour.
In the present invention, the density of described ultra-high molecular weight polyethylene (UHMW-PE) is preferably 0.936～0.964g/cm
3; Its heat distortion temperature is preferably 85 DEG C; Fusing point is preferably 130～136 DEG C, and more preferably 132～135 DEG C, in addition, described ultra-high molecular weight polyethylene (UHMW-PE) wearability is good.The weight average molecular weight of ultra-high molecular weight polyethylene that the present invention adopts is preferably 6,300,000～6,700,000, and more preferably 6,600,000.The ultra-high molecular weight polyethylene that the present invention adopts is preferably Powdered, and its particle diameter is preferably 100～200 μ m, and more preferably 120～160 μ m, most preferably are 120～150 μ m.The ultra-high molecular weight polyethylene that the present invention adopts plays bonding and forms the effect of filter medium skeleton, vestibule.
Compared with low molecular weight polyethylene, ultra-high molecular weight polyethylene has powerful electrostatic adsorption, can adsorb particle trickle, superfine.The ultra-high molecular weight polyethylene that the present invention adopts can adopt the ultra-high molecular weight polyethylene of domestic production manufacturer production, the ultra-high molecular weight polyethylene of for example Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be and Nanjing Guo Chen Chemical Co., Ltd. manufacturer production.
In the present invention, the particle diameter of described titanium dioxide is preferably 5～500nm, and more preferably 50～300nm, most preferably is 100～150nm.The titanium dioxide that the present invention adopts is preferably prepared by sulfuric acid process, and described titanium dioxide can be that anatase or rutile form exist.
The single-layer carbon nano-tube that the present invention adopts is preferably through the pretreatment of surfactant, and for described surfactant, there is no particular restriction in the present invention, can adopt surfactant well known to those skilled in the art.There is the effect of tin in adsorbed water through the single-layer carbon nano-tube of surface activation process, further removed the tin in water.In addition, the present invention also preferably carries out high-temperature process by CNT, makes the borehole enlargement of CNT, thus the tin in better adsorbed water.Because the temperature of high-temperature process is relevant with the aperture of CNT, excess Temperature will make the aperture of CNT excessive, and therefore, the temperature of described high-temperature process is preferably 1200～1800 DEG C, more preferably 1400～1450 DEG C.
The present invention is using modified clay as raw materials, and described modified clay is preferably prepared as follows: clay is mixed with alkali compounds, react after 22～25 hours and obtain mixture at 250～280 DEG C; Described mixture is mixed with gas generation agent, and controlling pH value is 6～11; Be warming up to 100～180 DEG C, be incubated and obtain modified clay after 1～10 hour.Wherein, the adjusting of described pH value preferably adopts acid compound or alkaline chemical.Described clay is one or more in kaolin, bentonite, imvite and sepiolite.Be preferably sodium carbonate or sodium acid carbonate preparing the alkali compounds adopting in modified clay process; Described acid compound is preferably acetic acid.
The present invention, by clay is carried out to modification, has obtained modified clay.Described modified clay realized aluminium salt has wherein been converted into boehmite, formed the modified clay that the dealuminzation clay of high-specific surface area, macropore volume is combined closely.On the one hand, modified clay prepared by the present invention has high-specific surface area, well the tin in adsorbed water; On the other hand, the modified clay of preparation and ultra-high molecular weight polyethylene, titanium dioxide, single-layer carbon nano-tube form synergy, further improve the adsorption rate to the tin in water.
Preparing in modified clay process, described gas generation agent is selected at least one in Celogen Az, food stage carbonic hydroammonium, oxalic acid.As preferably, gas generation agent is Celogen Az or food stage carbonic hydroammonium.Wherein, food stage carbonic hydroammonium also claims AMMONIUM BICARBONATE FOOD GRADE, distinguishes with technical grade carbonic hydroammonium.Although technical grade carbonic hydroammonium also has the effect in hole of sending out, it may contain the impurity of insalubrity, should not be as the raw materials for production of Drinking Water Filtration medium.Gas generation agent is that a class is easily decomposed a large amount of gas of generation and caused a material of sending out hole effect, and wherein azo compound, sodium acid carbonate, carbonic hydroammonium, ammonium carbonate, sulphonyl nitrile compounds, oxalic acid etc. are that it typically represents.Wherein, preferably use food stage carbonic hydroammonium.
As preferred version, described ultra-high molecular weight polyethylene is 450 weight portions; Titanium dioxide is 150 weight portions; Single-layer carbon nano-tube is 150 weight portions, and modified clay is 250 weight portions.In preparation process, described sintering temperature is preferably 170～190 DEG C, more preferably 175 DEG C; Sintering time is preferably 95 minutes.
For above-mentioned blend step, can think that any low shear-mixed gas or agitator that can significantly not change diameter of particle and size distribution is all suitable for, for example, drum-type mixture, spiral agitator etc.
Accordingly, the present invention also provides a kind of filter medium being prepared by above-mentioned preparation method.Meanwhile, also provide a kind of formed by above-mentioned filter medium for removing the filter core of water tin.The structure of filter core provided by the invention is structure well known to those skilled in the art, and to this present invention, there is no particular restriction.
In order further to understand the present invention, below in conjunction with embodiment, technical scheme provided by the invention is elaborated, protection scope of the present invention is not limited by the following examples.
Embodiment 1
The sodium acid carbonate that is 10% by 100 grams of kaolin (production of Chinese kaolin industrial group) and concentration mixes, and processes 20 hours at 200 DEG C, obtains mixed material; In described mixed material, add Celogen Az, regulating pH value is 7～8, is then warming up to 180 DEG C, is incubated 5 hours, material filtering, and washing, obtains modified clay after being dried.
The single-layer carbon nano-tube of 200g is warming up at 1450 DEG C and is incubated 5 hours.
The modified clay that takes 450g molecular weight and be 6,500,000 ultra-high molecular weight polyethylene (UHMW-PE), the above-mentioned single-layer carbon nano-tube after treatment of titanium dioxide, 200g that 120g particle diameter is 100nm and the above-mentioned preparation of 200g is put into agitator and is stirred after 80 minutes, removing part packs in tubular die, compacting, sintering 95 minutes at 175 DEG C, the cooling rear demoulding, obtains filter core.
Embodiment 2
The sodium acid carbonate that is 10% by 100 grams of kaolin (production of Chinese kaolin industrial group) and concentration mixes, and processes 20 hours at 200 DEG C, obtains mixed material; In described mixed material, add Celogen Az, regulating pH value is 7～8, is then warming up to 180 DEG C, is incubated 5 hours, material filtering, and washing, obtains modified clay after being dried.
The single-layer carbon nano-tube of 200g is warming up at 1450 DEG C and is incubated 5 hours.
The modified clay that takes 500g molecular weight and be 6,500,000 ultra-high molecular weight polyethylene (UHMW-PE), the above-mentioned single-layer carbon nano-tube after treatment of titanium dioxide, 150g that 120g particle diameter is 100nm and the above-mentioned preparation of 220g is put into agitator and is stirred after 80 minutes, removing part packs in tubular die, compacting, sintering 95 minutes at 175 DEG C, the cooling rear demoulding, obtains filter core.
Embodiment 3
Get the filter core of embodiment 1～2 preparation, liner two-layer nonwoven, outsourcing two-layer nonwoven, then wrap polypropylene porous web at skin, the upper end cap that connects of filter core two ends bonding, is then positioned over Drinking Water in Stainless Steel Shell.After testing, this filter core has good removal effect to tin.Table 1 is for the content of the filter core that provides of the embodiment of the present invention 1～2 to tin before and after drinking water treatment is provided.
Table 1 uses the filter core of embodiment 1～2 preparation to process the content of the tin in the water of front and back
As can be seen from Table 1, filter core provided by the invention can effectively be removed the tin in water, is applicable to the needs of home terminal application water treatment.
The explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. one kind for removing filter medium of water tin and preparation method thereof, it is characterized in that, comprises the following steps:
Mixture is placed in to the mold pressing of mold pressing device, then sintering 80～120 minutes at 160～200 DEG C, after cooling, the demoulding, obtain filter medium, described mixture is made up of following component: the single-layer carbon nano-tube of the ultra-high molecular weight polyethylene of 400～500 weight portions, the titanium dioxide of 100～200 weight portions, 100～200 weight portions, the modified clay of 200～300 weight portions, and the weight average molecular weight of described ultra-high molecular weight polyethylene is 6,000,000～7,000,000;
Described modified clay is prepared as follows: clay is mixed with alkali compounds, react after 20～25 hours and obtain mixture at 200～300 DEG C; Described mixture is mixed with gas generation agent, and controlling pH value is 6～11; Be warming up to 100～180 DEG C, be incubated and obtain modified clay after 1～10 hour.
2. preparation method according to claim 1, is characterized in that, sintering temperature is 175 DEG C, and sintering time is 95 minutes.
3. preparation method according to claim 1, is characterized in that, the particle diameter of described titanium dioxide is 5～500nm.
4. preparation method according to claim 3, is characterized in that, the particle diameter of described titanium dioxide is 100～150nm.
5. preparation method according to claim 1, is characterized in that, described CNT is processed in accordance with the following methods:
CNT is carried out at 1400～1450 DEG C to high-temperature process.
6. preparation method according to claim 1, is characterized in that, described clay is one or more in kaolin, bentonite, imvite and sepiolite.
7. preparation method according to claim 1, is characterized in that, described alkali compounds is sodium carbonate or sodium acid carbonate.
8. preparation method according to claim 1, is characterized in that, described ultra-high molecular weight polyethylene is 450 weight portions; Titanium dioxide is 150 weight portions; Single-layer carbon nano-tube is 150 weight portions, and modified clay is 250 weight portions.
One kind prepared by the preparation method described in claim 1～8 any one for removing the filter medium of water tin.
10. formed by filter medium claimed in claim 9 for removing the filter core of water tin.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106046265A (en) * | 2016-06-13 | 2016-10-26 | 王金明 | Preparation method of tin adsorption material |
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| CN101898120A (en) * | 2009-05-27 | 2010-12-01 | 周奇迪 | Filtering medium for removing organic tin in drinking water and preparation method thereof |
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2014
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| JP2003334544A (en) * | 2002-05-16 | 2003-11-25 | Kuraray Chem Corp | Active carbon molding, cartridge, and water purifier |
| CN101596447A (en) * | 2008-06-03 | 2009-12-09 | 周奇迪 | Be used for filter medium of removing the water N-Nitrosodimethylamine and preparation method thereof |
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