CN103977774A - Filtering medium for removing nonyl phenol in drinking water, filter element and preparation method - Google Patents
Filtering medium for removing nonyl phenol in drinking water, filter element and preparation method Download PDFInfo
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- CN103977774A CN103977774A CN201410232214.1A CN201410232214A CN103977774A CN 103977774 A CN103977774 A CN 103977774A CN 201410232214 A CN201410232214 A CN 201410232214A CN 103977774 A CN103977774 A CN 103977774A
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Abstract
The invention provides a preparation method of a filtering medium for removing nonyl phenol in drinking water. The preparation method comprises the following steps: a) mixing ultrahigh molecular weight polyethylene powder, activated carbon powder, attapulgite powder and a pore forming agent to obtain a mixture, wherein the weight ratio of the ultrahigh molecular weight polyethylene powder, activated carbon powder, attapulgite powder and the pore forming agent is (100-300):(50-200):(50-200):(50-200); b) pressing, sintering and cooling the mixture obtained in the step a) in a die. Under the synergistic action of the raw materials, the prepared filtering medium is high in removal rate of nonyl phenol, simple in method, applicable to drinking water polluted by nonyl phenyl, free from damage by nonyl phenyl to a human body, simple and convenient to use, and low in cost; in addition, the filter element rather than powder is used, thus having no need of follow-up treatment, and being suitable for treating drinking water of a family terminal. Through tests, the removal rate of nonyl phenyl in the drinking water can achieve more than 96.0% by the filtering medium.
Description
Technical field
The present invention relates to a kind of filter medium of removing nonyl phenol in drinking water and preparation method thereof, the filter core, the water purifying plant and drinking Fountains that are formed by this filter medium.
Background technology
Nonyl phenol is a kind of the have smell of phenol, light yellow viscosity liquid.Molecular diameter is about 0.6nm.It, detergent, dye leveller, lime soap dispersant, cationic surfactant, felt washing agent that can be used as farm chemical emulgent, wetting agent, high humidity dispersant, scale remover, blowing agent, low energy deinking agent, solubilizer, demulsifier, antistatic additive, synthetic latex stabilizing agent, mechanical industry etc. is widely used in the industries such as mining, chemical industry, papermaking, chemical fertilizer, plastics, rubber, weaving, washing powder, washing agent, fur processing.
Because nonyl phenol is hydrophobicity organic matter, can be by multiple organic solvent dissolution, there is very strong lipophilicity, the female hormone of its chemical constitution and humans and animals is quite similar, once enter in animal and human body just can disturbance endocrine normal physiological effect, as affect the normal reproductive development of organism etc.It is the pollutant of incretion interferent (EOCS) Poisoning maximum, and its discharge or be leaked in the middle of environment can not be carried out biodegradation voluntarily, can cause serious harm to environmental and human health impacts.
In the water of China, the pollution of nonyl phenol is more serious, although incretion interferent is nanogram or Gamma Magnitude material in drinking-water, concentration is very low, is just that the harmful effect causing after low concentration long term reflects the outstanding feature of incretion interferent just.
The removal effect of conventional water treatment process n nonylphenol is not good, and nonyl phenol also can progressively soak stripping from the Long contact time of running water tubing synthetic material and water.And electrochemistry is huge and complicated except nonyl phenol method equipment, generally processes 1h and just have above 90% clearance; Decomposition method equipment complexity, is only limited in engineering and applies; The conditions such as sonochemistry oxidizing process catalyst concn are wayward and cost is high.
Summary of the invention
In view of this, the technical problem that the present invention solves is to provide that a kind of method is simple, the filter medium of nonyl phenol in low price, effective removal drinking water and preparation method thereof, the filter core, the water purifying plant and drinking Fountains that are made up of this filter medium.
The invention provides a kind of preparation method who removes the filter medium of nonyl phenol in drinking water, comprise the following steps:
A) ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～300:50～200:50～200:50～100;
B) by a) mixture compacting in mould, the sintering, cooling of gained of step.
Preferably, also comprise ground pumice.
Preferably, the weight ratio of described ground pumice and described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～150:100～300:50～200:50～200:50～100.
Preferably, also comprise zeroth order iron powder.
Preferably, the weight ratio of described zeroth order iron powder and described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～150:100～300:50～200:50～200:50～100.
The invention provides obtain according to the preparation method described in any one in the claims for removing the filter medium of drinking water nonyl phenol.
The invention provides a kind of filter core, formed by the filter medium described in the claims.
The invention provides a kind of purifier, comprise filter medium described in the claims or the filter core described in the claims.
The present invention also provides a kind of water dispenser, comprises the purifier described in the claims.
Compared with prior art, the invention provides a kind of preparation method who removes the filter medium of nonyl phenol in drinking water, comprise the following steps: a) ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～300:50～200:50～200:50～100; B) by a) mixture compacting in mould, the sintering, cooling of gained of step.The present invention is under the synergy of above-mentioned raw materials, the filter medium preparing is high to the clearance of nonyl phenol in water, method is simple, is applicable to be subject to the drinking water of its pollution, exempts the injury that nonyl phenol produces human body, easy to use, cost is low, is filter core in addition due to what use, is not powder, so without subsequent treatment, be applicable to home terminal drinking-water and process.After testing this filter medium to the clearance of nonyl phenol in drinking water more than 96.0%.
Detailed description of the invention
The invention provides a kind of preparation method who removes the filter medium of nonyl phenol in drinking water, comprise the following steps:
A) ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～300:50～200:50～200:50～100;
B) by a) mixture compacting in mould, the sintering, cooling of gained of step.
First the present invention mixes ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～300:50～200:50～200:50～100; Be preferably 130～280:70～180:70～180:60～90; More preferably 150～250:90～150:90～150:65～85.
In the present invention, the weight average molecular weight of described ultra-high molecular weight polyethylene is preferably 1,000,000～7,000,000, and more preferably 2,000,000～6,000,000, most preferably be 2,500,000～4,000,000.Preferred particle diameter is 89 μ m～104 μ m.Ultra-high molecular weight polyethylene can obtain from domestic production producer, as Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be can provide the product of M-I type (molecular weight is 150 ± 500,000), M-II type (molecular weight is 250 ± 500,000), M-III type (molecular weight is 350 ± 500,000), M-IV type (molecular weight is for being greater than 4,000,000) equal-specification.An effect of ultra-high molecular weight polyethylene is bonding and the effect that forms filter medium skeleton, because the molecular weight of ultra-high molecular weight polyethylene is large, melt viscosity is very high, melting can not be flowed later, so utilize ultra-high molecular weight polyethylene to pass through compacting, the filter medium that sintering obtains, easily forms micropore, can play the effect of uranium in adsorbed water.
In the present invention, active carbon is a kind of porous material, has cellular pore structure, larger specific area, and special surface functional group, stable physics and chemistry performance, be good adsorbent, catalyst or catalyst carrier.Preferably be divided into active carbon that wood activated charcoal, mineral raw material active carbon and other raw materials make etc. according to the different activities charcoal of raw material sources.Wherein, described wood activated charcoal preferably includes cocoanut active charcoal, apricot shell active carbon, wooden burgy; It is the active carbon that raw material is made that described mineral raw material active carbon preferably includes various coals and oil and elaboration products thereof; The active carbon that other raw materials are made preferably includes the active carbon that scrap rubber, waste plastics are made.The present invention preferably uses the active carbon taking coconut husk material as source, and its intensity is higher, absorption property good, more preferably the medical activated carbon taking coconut husk material as source.In the present invention, the specific area of described active carbon is preferably not less than 500m
2/ g, is more preferably not less than 1000m
2/ g.
Active carbon is organic matter, the especially medical activated carbon in adsorbed water efficiently, as the product of using the relevant drug surveilance standard of country, impurity content is low, and surface area is larger, adsorption effect is also better, and selects medical activated carbon can ensure that filter medium is directly used in the processing of drinking water.
In the present invention, described attapulgite is monoclinic system, and its desirable chemical formula is for being Mg
5(H
2o)
4[Si
4o
10]
2(OH)
2, chemical composition theoretical value is MgO23.83%, SiO
256.96%, H
2o19.21%; The attapulgite of occurring in nature often has Al
3+, Fe
3+deng isomorphous replacement, be rich in Al
3+, Fe
3+mutation is called aluminium attapulgite and iron attapulgite.As being called for MgO12.10%, SiO of the aluminium attapulgite of the Dragon King of Xuyi County of Jiangsu Province mountain products
258.38%, Al
2o
39.5%, CaO0.4%, TiO
20.56%, MnO0.05%, Fe
2o
3+ FeO5.26%, Na
2o1.1%, K
2o1.24%.Because attapulgite is similar to the major path of zeolite powder in structure, therefore there is good absorption and decoloration performance, the organic and hydrogen sulfide decomposing etc. is had to good absorption property, SiO in the absorption property of concave convex rod stone flour and mineral
2content relevant, content more high absorption capacity is stronger.
In the present invention, preferably to concave convex rod stone flour process acid activation modification.Concave convex rod stone flour specific area through modification increases decades of times, and the adsorption rate of n nonylphenol is also improved accordingly, and also has stronger cation exchange property through the concave convex rod stone flour of activation processing, and exchange capacity is large.The method of acid activation preferably includes sulfuric acid process, salt acid system, sulfuric acid-mixed in hydrochloric acid method.The present invention preferably uses the concave convex rod stone flour of hydrochloric acid activation modification, and more preferably request for utilization number is the acid soak activating process that 90105849.1 Chinese invention patent application discloses a kind of concave convex rod stone flour, comprises the volume moon 0.5～100cm of fritter
3attapulgite silty clay soil raw ore, the inorganic acid solution that is 1～15wt% by concentration (as sulfuric acid, hydrochloric acid solution etc.) soaks 2～100 hours, filter extruding in flakes, at 280 DEG C～350 DEG C, activate 30～50 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 50 μ m～100 μ m is 250 ± 5 with revolving drier.In the present invention, preferably use the attapulgite of 400 DEG C of calcining and activating 2h.When heat treatment, remove zeolite water and partially crystallizable water in clay, specific area and porosity are increased, improve the absorption property of n nonylphenol.
In the present invention, preferred, concave convex rod stone flour is 74 μ m～104 μ m through acid activation particle diameter after treatment, more preferably 80 μ m～100 μ m.The concave convex rod stone flour of acid activation processing has larger specific area, and for multiple suction types such as the absorption of nonyl phenol outer surface, colloid absorption and its duct inner surface absorption, adsorption capacity is stronger.
Medicinal active powdered carbon and modified attapulgite stone flour have interaction, and absorption has comprised mono layer adsorption and micelle absorption, has improved absorption property.
Gas generation agent of the present invention 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.As preferably, gas generation agent is at least one in Celogen Az, food stage carbonic hydroammonium, oxalic acid, preferred, and 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.
In the present invention, by the cooperatively interacting and interacting of above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent, jointly make for the clearance of nonyl phenol in drinking water high, effective.
In the present invention, preferably also comprise ground pumice, the weight ratio of described ground pumice and described ultra-high molecular weight polyethylene powder, activated carbon powder, zeolite, diatomite, gas generation agent is preferably 80～150:100～300:50～100:100～50:100～150:50～100, more preferably 90～130:130～280:60～90:90～60:110～140:60～90.
In the present invention, described ground pumice and above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, zeolite, diatomite, gas generation agent can cooperatively interact and interact, and can significantly improve the clearance of the nonyl phenol in drinking water, better effects if.
In the present invention, preferably also comprise zeroth order iron powder, the weight ratio of described zeroth order iron powder and described ultra-high molecular weight polyethylene powder, activated carbon powder, zeolite, diatomite, gas generation agent is 100～150:100～300:50～100:100～50:100～150:50～100, more preferably 110～140:60～90:90～60:110～140:60～90.In the present invention, purity and source to zeroth order iron powder are not particularly limited, can be commercially available, purity is preferably more than 98%, and preferably use before use watery hydrochloric acid drip washing, object is to remove the oxide-film of dielectric surface, is not have the Zero-valent Iron of oxide and organic film to contact with the Ion Phase in water, increases specific area and intensified response performance simultaneously.
In the present invention, described zeroth order iron powder and above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, zeolite, diatomite, gas generation agent can cooperatively interact and interact, can significantly improve the clearance of the nonyl phenol in drinking water, better effects if, and, except said components, zeroth order iron powder can also act synergistically with ground pumice, significantly improves the clearance of the nonyl phenol in drinking water.Preferably, the weight ratio of zeroth order iron powder and ground pumice is 100～150:100～150.
In the present invention, be not particularly limited for source and the purity of above-mentioned raw materials, be preferably commercially available.
The present invention for step in above-mentioned preparation method a) in several raw materials used carried out comparatively detailed description, under the collaborative adduction of these several raw materials, the nonyl phenol in water can fully be adsorbed.
In the present invention, for the mixing of above-mentioned raw materials without any restriction, can be for any low shear mixer or agitator that can significantly not change diameter of particle and size distribution, can be preferably the agitator, drum-type blender, spiral agitator etc. of blunt impeller blade.Rotating speed for above-mentioned mixer and agitator will, depending on the type of blender, not limit this, is preferably and avoids the dust of kicking up.
After above-mentioned raw materials is mixed, by a) mixture compacting in mould, the sintering, cooling of gained of step.
Be specially, mixed powder is filled in pre-designed mould, by pressurization, by its compacting, pressure is preferably not more than 2MPa, and more preferably 0.3～1.5MPa, most preferably is 0.4～1.0MPa.And adapt with the material of mould therefor; Mould can be manufactured by aluminium, cast iron, steel or any suitable material that can bear relevant pressure and temperature.Can be in mould inner surface release agent application, that can select silicone oil or any other can be adsorbed onto the commercially available releasing agent on filter medium hardly, also can use processing release paper.Sintering temperature is 200 DEG C～300 DEG C, and sintering time is 120 minutes～150 minutes, is cooled to 40 DEG C～60 DEG C demouldings after sintering.In this manufacturing process, after inventor's test many times, draw the filter medium of producing in sintering range in 200 DEG C～300 DEG C, filter effect is better.
The present invention also provides following technical scheme: the filter core of nonyl phenol in a kind of removal drinking water being made up of above-mentioned filter medium.
The present invention also provides following technical scheme: a kind of purifier, comprises above-mentioned filter medium or filter core.
The present invention also provides a kind of water dispenser that comprises above-mentioned purifier.
The present invention is under the synergy of above-mentioned raw materials, the filter medium preparing is high to the clearance of nonyl phenol in water, method is simple, is applicable to be subject to the drinking water of its pollution, exempts the injury that nonyl phenol produces human body, easy to use, cost is low, is filter core in addition due to what use, is not powder, so without subsequent treatment, be applicable to home terminal drinking-water and process.After testing this filter medium to the clearance of nonyl phenol in drinking water more than 96.0%.
In order to further illustrate the present invention, below in conjunction with embodiment, the filter medium of nonyl phenol in removal drinking water provided by the invention is described in detail.
Embodiment 1
(1) take ultra-high molecular weight polyethylene powder 100g, the M-I type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 1,500,000;
(2) take medicinal active powdered carbon 50g, the specific area of described medical activated carbon is 800m
2/ g;
(3) take modified attapulgite stone flour, the hydrochloric acid impregnation process that 50g is 8wt% by concentration 10 hours, filters extruding in flakes, uses revolving drier at 280 DEG C of activation 35 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 80 μ m is 250;
(4) take gas generation agent 50g;
(5) above-mentioned four kinds of powder being put into mechanical agitator stirs and mixes for 10 minutes;
(6) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.7MPa, suppress, sintering 120 minutes at 260 DEG C of temperature;
(7) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Embodiment 2
(1) take ultra-high molecular weight polyethylene powder 200g, the M-II type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 3,500,000;
(2) take medicinal active powdered carbon 100g, the specific area of described medical activated carbon is 1500m
2/ g;
(3) take concave convex rod stone flour 100g, the hydrochloric acid impregnation process that is 10wt% by concentration 15 hours, filters extruding in flakes, uses revolving drier at 300 DEG C of activation 40 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 70 μ m is 250;
(4) take gas generation agent 75g;
(5) above-mentioned four kinds of powder being put into spiral agitator stirs and mixes for 10 minutes;
(6) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.6MPa, suppress, sintering 130 minutes at 280 DEG C of temperature;
(7) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Embodiment 3
(1) take ultra-high molecular weight polyethylene powder 300g, the M-IV type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 4,500,000;
(2) take medicinal active powdered carbon 200g, the specific area of described medical activated carbon is 1200m
2/ g;
(3) take concave convex rod stone flour 200g, the hydrochloric acid impregnation process that is 10wt% by concentration 15 hours, filters extruding in flakes, uses revolving drier at 300 DEG C of activation 40 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 100 μ m is 250;
(4) take gas generation agent 100g;
(5) above-mentioned four kinds of powder being put into spiral agitator stirs and mixes for 10 minutes;
(6) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.9MPa, suppress, sintering 150 minutes at 220 DEG C of temperature;
(7) naturally cool to 40 DEG C and then use the release paper demoulding, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Embodiment 4
(1) take ultra-high molecular weight polyethylene powder 300g, the M-IV type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 4,500,000;
(2) take medicinal active powdered carbon 200g, the specific area of described medical activated carbon is 1200m
2/ g;
(3) take concave convex rod stone flour 200g, the hydrochloric acid impregnation process that is 10wt% by concentration 15 hours, filters extruding in flakes, uses revolving drier at 300 DEG C of activation 40 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 100 μ m is 250;
(4) take gas generation agent 100g;
(5) take ground pumice 120g;
(6) above-mentioned five kinds of powder being put into spiral agitator stirs and mixes for 10 minutes;
(7) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.9MPa, suppress, sintering 150 minutes at 220 DEG C of temperature;
(8) naturally cool to 40 DEG C and then use the release paper demoulding, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Embodiment 5
(1) take ultra-high molecular weight polyethylene powder 300g, the M-IV type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 4,500,000;
(2) take medicinal active powdered carbon 200g, the specific area of described medical activated carbon is 1200m
2/ g;
(3) take concave convex rod stone flour 200g, the hydrochloric acid impregnation process that is 10wt% by concentration 15 hours, filters extruding in flakes, uses revolving drier at 300 DEG C of activation 40 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 100 μ m is 250;
(4) take gas generation agent 100g;
(5) take zeroth order iron powder 120g;
(6) above-mentioned five kinds of powder being put into spiral agitator stirs and mixes for 10 minutes;
(7) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.9MPa, suppress, sintering 150 minutes at 220 DEG C of temperature;
(8) naturally cool to 40 DEG C and then use the release paper demoulding, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Embodiment 6
(1) take ultra-high molecular weight polyethylene powder 300g, the M-IV type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 4,500,000;
(2) take medicinal active powdered carbon 200g, the specific area of described medical activated carbon is 1200m
2/ g;
(3) take concave convex rod stone flour 200g, the hydrochloric acid impregnation process that is 10wt% by concentration 15 hours, filters extruding in flakes, uses revolving drier at 300 DEG C of activation 40 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 100 μ m is 250;
(4) take gas generation agent 100g;
(5) take ground pumice 120g;
(6) take zeroth order iron powder 120g;
(7) above-mentioned six kinds of powder being put into spiral agitator stirs and mixes for 10 minutes;
(8) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.9MPa, suppress, sintering 150 minutes at 220 DEG C of temperature;
(9) naturally cool to 40 DEG C and then use the release paper demoulding, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Comparative example 1
(1) take medicinal active powdered carbon 50g, the specific area of described medical activated carbon is 800m
2/ g;
(2) take modified attapulgite stone flour, the hydrochloric acid impregnation process that 50g is 8wt% by concentration 10 hours, filters extruding in flakes, uses revolving drier at 280 DEG C of activation 35 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 80 μ m is 250;
(3) take gas generation agent 50g;
(4) above-mentioned three kinds of powder being put into mechanical agitator stirs and mixes for 10 minutes;
(5) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.7MPa, suppress, sintering 120 minutes at 260 DEG C of temperature;
(6) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Comparative example 2
(1) take ultra-high molecular weight polyethylene powder 100g, the M-I type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 1,500,000;
(2) take modified attapulgite stone flour, the hydrochloric acid impregnation process that 50g is 8wt% by concentration 10 hours, filters extruding in flakes, uses revolving drier at 280 DEG C of activation 35 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 80 μ m is 250;
(3) take gas generation agent 50g;
(4) above-mentioned three kinds of powder being put into mechanical agitator stirs and mixes for 10 minutes;
(5) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.7MPa, suppress, sintering 120 minutes at 260 DEG C of temperature;
(6) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Comparative example 3
(1) take ultra-high molecular weight polyethylene powder 100g, the M-I type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 1,500,000;
(2) take medicinal active powdered carbon 50g, the specific area of described medical activated carbon is 800m
2/ g;
(3) take gas generation agent 50g;
(4) above-mentioned three kinds of powder being put into mechanical agitator stirs and mixes for 10 minutes;
(5) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.7MPa, suppress, sintering 120 minutes at 260 DEG C of temperature;
(6) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Comparative example 4
(1) take ultra-high molecular weight polyethylene powder 100g, the M-I type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 1,500,000;
(2) take medicinal active powdered carbon 50g, the specific area of described medical activated carbon is 800m
2/ g;
(3) take modified attapulgite stone flour, the hydrochloric acid impregnation process that 50g is 8wt% by concentration 10 hours, filters extruding in flakes, uses revolving drier at 280 DEG C of activation 35 minutes, the active attapulgite stone flour that the decolorizing ability that is ground into 80 μ m is 250;
(4) above-mentioned three kinds of powder being put into mechanical agitator stirs and mixes for 10 minutes;
(5) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.7MPa, suppress, sintering 120 minutes at 260 DEG C of temperature;
(6) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Comparative example 5
(1) take ultra-high molecular weight polyethylene powder 100g, the M-I type product that described ultra-high molecular weight polyethylene is Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, its molecular weight is 1,500,000;
(2) take gas generation agent 50g;
(3) above-mentioned two kinds of powder being put into mechanical agitator stirs and mixes for 10 minutes;
(4) mixed powder packing is entered in tubular die, under the hydraulic pressure of 0.7MPa, suppress, sintering 120 minutes at 260 DEG C of temperature;
(5) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
The diameter of the filter core of preparation is 50mm, and length is 200mm.
Embodiment 7
Get the filter core of embodiment 1～7 and comparative example 1～5 gained, liner two-layer nonwoven, outsourcing two-layer nonwoven, wrap polypropylene porous web at skin again, the bonding upper connection end cap in filter core two ends, is positioned in stainless steel or plastic casing, for the treatment of drinking water, after testing, this filter core is good to the removal effect of the nonyl phenol in drinking water.As shown in table 1, implement 1～7 and the content of the filter core that provides of comparative example 1～5 to the nonyl phenol before and after drinking water treatment for adopting.
Table 1 uses filter core to process the nonyl phenol content in the water of front and back, unit: μ g/L
As can be seen from Table 1, the nonyl phenol that utilizes filter core of the present invention to remove in water has been obtained good effect, and clearance is more than 96.0%, and this filter core is applicable to the needs of home terminal drinking water treatment very much.
Be described in detail for the filter core of removing filter medium of drinking water nonyl phenol and preparation method thereof and formed by this filter medium provided by the present invention above.The above is only the preferred embodiment of the present invention; 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 make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a preparation method who removes the filter medium of nonyl phenol in drinking water, is characterized in that, comprises the following steps:
A) ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～300:50～200:50～200:50～100;
B) by a) mixture compacting in mould, the sintering, cooling of gained of step.
2. preparation method according to claim 1, is characterized in that, also comprises ground pumice.
3. preparation method according to claim 1, is characterized in that, the weight ratio of described ground pumice and described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～150:100～300:50～200:50～200:50～100.
4. preparation method according to claim 1, is characterized in that, also comprises zeroth order iron powder.
5. preparation method according to claim 4, it is characterized in that, the weight ratio of described zeroth order iron powder and described ultra-high molecular weight polyethylene powder, activated carbon powder, concave convex rod stone flour, gas generation agent is 100～150:100～300:50～200:50～200:50～100.
6. obtain according to the preparation method described in any one in claim 1 to 5 for removing the filter medium of drinking water nonyl phenol.
7. a filter core, is characterized in that, is made up of filter medium claimed in claim 6.
8. a purifier, is characterized in that, comprises filter medium claimed in claim 6 or filter core claimed in claim 7.
9. a water dispenser, is characterized in that, comprises purifier claimed in claim 8.
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| CN105478089A (en) * | 2015-12-01 | 2016-04-13 | 周羿 | Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof |
| CN107281816A (en) * | 2017-05-22 | 2017-10-24 | 福建省福灿环保科技有限公司 | Filter medium, filter core and the preparation method of PBDE in a kind of removal drinking water |
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| CN105478089A (en) * | 2015-12-01 | 2016-04-13 | 周羿 | Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof |
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