CN105478089A - Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof - Google Patents

Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof Download PDF

Info

Publication number
CN105478089A
CN105478089A CN201510870986.2A CN201510870986A CN105478089A CN 105478089 A CN105478089 A CN 105478089A CN 201510870986 A CN201510870986 A CN 201510870986A CN 105478089 A CN105478089 A CN 105478089A
Authority
CN
China
Prior art keywords
powder
preparation
molecular weight
ultra
weight polyethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510870986.2A
Other languages
Chinese (zh)
Inventor
周羿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Kang Water Science And Technology Co Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510870986.2A priority Critical patent/CN105478089A/en
Publication of CN105478089A publication Critical patent/CN105478089A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/04—Disinfection

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention provides a preparation method of a filtering medium for removing microcystic toxins in drinking water. The method comprises the following steps: 1, mixing ultrahigh molecular weight polyethylene powder, active carbon powder, modified attapulgite powder and a gas generation agent according to a weight ratio of 200-300:50-100:50-100:100-200:50-100 to obtain a mixture; and 2, compacting the mixture obtained in step 1 in a die under 0.4-1Mpa, sintering the compacted mixture at 200-240DEG C for 90-150min, and cooling the sintered mixture to 40-60DEG C. The filtering medium allowing the removal rate of microcystic toxins in water to be high is prepared through cooperation of synergism of above raw materials with a specific sintering temperature, a sintering pressure and a cooling temperature.

Description

For removing the filter medium of microcystin in drinking water (MC-LR), filter core and preparation method
Technical field
The present invention relates to a kind of filter medium removing microcystin in drinking water and preparation method thereof, the filter core be made up of this filter medium, water purifying plant and drinking Fountains.
Background technology
Microcystin (MC) is that the one that blue-green algae produces has hepatotoxic polypeptide, and had been found that more than the 60 kind of isomer of MC, that its Poisoning is maximum is MC-LR.MC is a class peptide toxin, enters liver, the target organ that liver has become it main in human body by bile acid carrier.Some regional crowd's Primary Hepatic carcinogenesis of China are probably relevant with the MC in ditch pool water, river, pond water and shallow well water, and MC is the absorption initiation cirrhosis, Progressive symmetric erythrokeratodermia fibrillatable, the Apoptosis inhibitor that cause the promoter of liver cancer, chronic MC most probably; Acute MC is poisoning cause human liver's structural deterioration or extensively hepatic entorrhagia cause circulatory failure and dead.
Do the waterworks at water source with reservoir water, Lake Water, the obstruction of filtering ponds easily occur, water outlet is had a fish like smell, terramycin slage.The toxicity of MC can bring out disease of digestive tract, rhinitis, conjunctivitis, Splenic Diseaes and other diseases, and MC also has carcinogenic report.
It is 1 μ g/L that state of the World Health Organization determines the highest permission content (for adult) of MC-LR in drinking water, and this is the result only considering that the toxicity of MC draws, as considered Tumor acceleration, so the highest permission content of MC-LR is 0.3 μ g/L.
Traditional water treatment technology of waterworks cannot remove the MC-LR in water, and China is many is that the waterworks water outlet at water source detects MC with surface water.The MC-LR existed in the former water in Shanghai City and running water in various degree pollutes, especially summer, autumn toxin concentration higher.The output water of waterworks and the Terminal water of pipe network are unexpectedly also high than the MC concentration in the water of source, and pollute the trend increased the weight of further in addition.
Summary of the invention
In view of this, the technical problem that the present invention solves is to provide a kind of filter medium and preparation method thereof, and the clearance of this filter medium to the Microcystin in drinking water is high, and method is simple.Additionally provide the filter core, purifier and the water dispenser that are made up of this filter medium.
The invention provides a kind of preparation method removing the filter medium of microcystin in drinking water, it is characterized in that, comprise the following steps:
A) ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is 200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100;
B) mixture of step a) gained is suppressed in a mold, sinters, cooled;
Described pressing pressure is 0.4MPa ~ 1Mpa; Described sintering temperature is 200 DEG C ~ 240 DEG C; Described sintering time is 90 ~ 150min; Described chilling temperature is 40 DEG C ~ 60 DEG C.
Preferably, described modified attapulgite stone flour is acid activation modification.
Preferably, calcined hydrotalcite powder is also comprised.
Preferably, the calcining heat of described calcined hydrotalcite powder is 500 DEG C.
Preferably, the weight ratio of described calcined hydrotalcite powder and ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is 110 ~ 150:200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100.
Preferably, roasting Fe is also comprised 2o 3powder.
The filter medium for removing microcystin in drinking water that the preparation method that the invention provides according to the claims obtains.
The invention provides a kind of filter core, be made up of the filter medium described in the claims.
The invention provides a kind of purifier, comprise the filter medium described in the claims or the filter core described in the claims.
The invention provides a kind of water dispenser, comprise the purifier described in the claims.
Compared with prior art, the invention provides the preparation method of the filter medium removing microcystin in drinking water, comprise the following steps: a) ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is 200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100; B) mixture of step a) gained is suppressed in a mold, sinters, cooled; Described pressing pressure is 0.4MPa ~ 1Mpa; Described sintering temperature is 200 DEG C ~ 240 DEG C; Described sintering time is 90 ~ 150min; Described chilling temperature is 40 DEG C ~ 60 DEG C.The present invention is under above-mentioned raw materials synergy, coordinate specific sintering temperature, pressure and chilling temperature, the filter medium prepared is high to the clearance of Microcystin in water, and method is simple, be applicable to the drinking water polluted by it, exempt the injury that Microcystin produces human body, easy to use, cost is low, in addition owing to using filter core, not powder, so without the need to subsequent treatment, be applicable to the process of home terminal drinking-water.After testing this filter medium to the clearance of microcystin in drinking water more than 97.0%.
Detailed description of the invention
The invention provides a kind of preparation method removing the filter medium of microcystin in drinking water, it is characterized in that, comprise the following steps:
A) ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is 200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100;
B) mixture of step a) gained is suppressed in a mold, sinters, cooled;
Described pressing pressure is 0.4MPa ~ 1Mpa; Described sintering temperature is 200 DEG C ~ 240 DEG C; Described sintering time is 90 ~ 150min; Described chilling temperature is 40 DEG C ~ 60 DEG C.
First ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent mix by the present invention, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is 200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100; Be preferably 210 ~ 290:110 ~ 190:110 ~ 190:60 ~ 90; Be more preferably 220 ~ 280:120 ~ 180:120 ~ 180:65 ~ 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, is more preferably 2,000,000 ~ 6,000,000, most preferably is 2,500,000 ~ 4,000,000.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 forming filter medium skeleton, because the molecular weight of ultra-high molecular weight polyethylene is large, melt viscosity is very high, can not flow after melting, so utilize ultra-high molecular weight polyethylene to pass through compacting, sinter the filter medium obtained, easily form micropore, the effect of Microcystin in adsorbed water can be played.The present invention preferably adopts particle diameter to be the ultra-high molecular weight polyethylene of 74 ~ 89 μm.
In the present invention, active carbon is a kind of porous material, has cellular pore structure, larger specific area, special surface functional group, stable process based prediction model, is excellent adsorbent, catalyst or catalyst carrier.According to the active carbon etc. that the different activities charcoal of raw material sources is preferably divided into wood activated charcoal, mineral raw material active carbon and other raw materials to make.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 coal and oil and elaboration products thereof; The active carbon that the active carbon that other raw materials are made preferably includes scrap rubber, waste plastics is made.The present invention preferably uses with the active carbon of coconut husk material for source, and its intensity is higher, absorption property good, is more preferably with the medical activated carbon of coconut husk material for 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 can organic matter, especially medical activated carbon efficiently in adsorbed water, as the product by excessively national relevant drug surveilance standard, impurity content is low, and surface area is larger, adsorption effect is also better, and filter medium is directly used in the process of drinking water to select medical activated carbon to ensure.
The present invention preferably adopts particle diameter to be the medical activated carbon of 38 ~ 250 μm.
In the present invention, described attapulgite is monoclinic system, and its desirable chemical formula is for being Mg 5(H 20) 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 aluminium attapulgite of Xuyi County of Jiangsu Province Dragon King 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 the structure, therefore there is good absorption and decoloration performance, have good absorption property to the organic and hydrogen sulfide decomposed etc., 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 through acid activation.The method of acid activation preferably includes sulfuric acid process, hydrochloric acid method, sulfuric acid-mixed in hydrochloric acid method.The present invention preferably uses the concave convex rod stone flour of hydrochloric acid activation modification, more preferably request for utilization number be 90105849.1 Chinese invention patent application disclose a kind of acid soak activating process of concave convex rod stone flour, comprise the volume moon 0.5 ~ 100cm of fritter 3attapulgite silty clay soil raw ore, soak 2 ~ 100 hours with the inorganic acid solution (as sulfuric acid, hydrochloric acid solution etc.) that concentration is 1 ~ 15wt%, filter extruding in flakes, at 280 DEG C ~ 350 DEG C, activate 30 ~ 50 minutes with revolving drier, the decolorizing ability being ground into 50 μm ~ 100 μm is the active attapulgite stone flour of 250 ± 5.
In the present invention, preferably, the particle diameter of concave convex rod stone flour after acid activation process is 74 μm ~ 104 μm, is more preferably 80 μm ~ 100 μm.The concave convex rod stone flour of acid activation process has larger specific area, and for multiple suction types such as the absorption of MC-LR outer surface, colloid absorption and its inner surfaces of pores absorption, adsorption capacity is stronger.
Gas generation agent of the present invention is that a class is easily decomposed a large amount of gas of generation and causes the material of hair engaging aperture 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 grade ammonium bicarbonate, oxalic acid.Wherein, food grade ammonium bicarbonate also claims AMMONIUM BICARBONATE FOOD GRADE, distinguishes with technical grade carbonic hydroammonium.Although technical grade carbonic hydroammonium also has the effect of hair engaging aperture, it may contain the impurity of insalubrity, should not be used as the raw materials for production of Drinking Water Filtration medium.
After ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent sintering, the netted knot of formation and charge property enhance the suction-operated to Microcystin.Cooperatively interacting and interacting by these four kinds of raw materials, makes the clearance for the Microcystin in drinking water high, effective jointly.
In the present invention, preferably calcined hydrotalcite powder is also comprised.Hydrotalcite powder of the present invention is preferably prepared in accordance with the following methods:
With analytically pure Mg (NO 3) 26H 2o, Al (NO 3) 39H 2o and urea are raw material, and Mg/Al mol ratio is respectively 1,4 and 6, and being made into metal ion total amount is 0.5mol, urea/NO 3– mol ratio is 3, loads and fills in the there-necked flask of 500mL deionized water, strong stirring in 105 DEG C of oil baths, isothermal reaction 10h, 80 DEG C of static crystallization 18h, suction filtration, and washing is dry, and grinding, obtains magnalium hydrotalcite sample, be designated as MgAl-LDH.
Get the MgAl-LDH that Mg/Al mol ratio is 4, at 500 DEG C, calcine 5h, obtain composite metal oxide, be designated as LDO-C.
The weight ratio of described LDO-C and ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is preferably 110 ~ 150:200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100, be more preferably 120 ~ 140:210 ~ 290:110 ~ 190:110 ~ 190:60 ~ 90, most preferably be 125 ~ 135:220 ~ 280:120 ~ 180:120 ~ 180:65 ~ 85.
The present invention is calcined by the magnalium hydrotalcite powder prepared the present invention, its coordination and structure are changed, magnalium hydrotalcite powder after the above-mentioned calcining of the creationary discovery of the present inventor and above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent have synergy, special high for Microcystin clearance, effective.
In the present invention, preferably roasting Fe is also comprised 2o 3powder.Described roasting Fe 2o 3the weight ratio of powder and ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is preferably 110 ~ 150:200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100, be more preferably 120 ~ 140:210 ~ 290:110 ~ 190:110 ~ 190:60 ~ 90, most preferably be 125 ~ 135:220 ~ 280:120 ~ 180:120 ~ 180:65 ~ 85.
Roasting Fe of the present invention 2o 3the method of roasting of powder is preferably specially:
Fe 2o 3powder is preferably at 380 ~ 420 DEG C, and under being more preferably the high temperature of 400 DEG C, preferred roasting 3.5 ~ 4.5h in chamber type electric resistance furnace, more preferably after roasting 4h, grinds to form 200 order metal dusts.
The above-mentioned roasting Fe of the creationary discovery of the present inventor 2o 3powder and above-mentioned ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent have synergy, high for Microcystin clearance, effective especially.
In the present invention, the source of above-mentioned raw materials and purity are not particularly limited, 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 this several raw material, the Microcystin in water can fully be adsorbed.
In the present invention, for the mixing of above-mentioned raw materials without any restriction, can be any low sheraing blender or agitator that significantly can 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 depending on the type of blender, will not limit this, preferably avoids dust of kicking up.
After above-mentioned raw materials is mixed, the mixture of step a) gained is suppressed in a mold, sinters, cooled.
Be specially, be filled into by mixed powder in pre-designed mould, by pressurization by its compacting, pressure is preferably not more than 2MPa, is more preferably 0.4 ~ 1.0MPa, and adapts with the material of mould therefor; Mould can by Microcystin, cast iron, steel or any material manufacture bearing relevant pressure and temperature suitably.In mould inner surface release agent application, can select silicone oil or any other the commercially available releasing agent be adsorbed onto hardly on filter medium, also can use processing release paper.Sintering temperature is 200 DEG C ~ 240 DEG C, is more preferably 220 DEG C ~ 230 DEG C, and sintering time is 90 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 produced in 220 DEG C ~ 230 DEG C in sintering range, filter effect is better.
Present invention also offers following technical scheme: a kind of filter core of the removal microcystin in drinking water be made up of above-mentioned filter medium.
Present invention also offers following technical scheme: a kind of purifier, comprise above-mentioned filter medium or filter core.
Present invention also offers a kind of water dispenser comprising above-mentioned purifier.
The present invention is under the synergy of above-mentioned raw materials, the filter medium prepared is high to the clearance of Microcystin in water, method is simple, is applicable to the drinking water polluted by it, exempts the injury that Microcystin produces human body, easy to use, cost is low, in addition owing to using filter core, is not powder, so without the need to subsequent treatment, be applicable to the process of home terminal drinking-water.After testing this filter medium to the clearance of microcystin in drinking water more than 97.0%.
In order to further illustrate the present invention, be described in detail below in conjunction with the filter medium of embodiment to removal drinking water Microcystin provided by the invention.
Embodiment 1
(1) taking particle diameter is 80 μm of ultra-high molecular weight polyethylene powder 200g, and described ultra-high molecular weight polyethylene is the M-I type product of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, and its molecular weight is 1,500,000;
(2) take the medicinal active powdered carbon 100g that particle diameter is 100 μm, the specific area of described medical activated carbon is 800m 2/ g;
(3) the concave convex rod stone flour 100g carrying out modification according to acid activation modification mode of the present invention that particle diameter is 80 μm is taken;
(4) gas generation agent 50g is taken;
(5) above-mentioned four kinds of powder are put into mechanical agitator stirring to mix for 10 minutes;
(6) mixed powder packing is entered in tubular die, suppress under the hydraulic pressure of 0.7MPa, at 230 DEG C of temperature, sinter 120 minutes;
(7) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
Embodiment 2
(1) take ultra-high molecular weight polyethylene powder 250g, described ultra-high molecular weight polyethylene is the M-III type product of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, and its molecular weight is 3,500,000;
(2) take the medicinal active powdered carbon 150g that particle diameter is 100 μm, the specific area of described medical activated carbon is 1500m 2/ g;
(3) the concave convex rod stone flour 150g carrying out modification according to acid activation modification mode of the present invention that particle diameter is 80 μm is taken;
(4) gas generation agent 80g is taken;
(5) above-mentioned four kinds of powder are put into mechanical agitator stirring to mix for 10 minutes;
(6) mixed powder packing is entered in tubular die, suppress under the hydraulic pressure of 0.6MPa, at 230 DEG C of temperature, sinter 100 minutes;
(7) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
Embodiment 3
(1) take ultra-high molecular weight polyethylene powder 300g, described ultra-high molecular weight polyethylene is the M-IV type product of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, and its molecular weight is 4,500,000;
2) take the medicinal active powdered carbon 200g that particle diameter is 100 μm, the specific area of described medical activated carbon is 1200m 2/ g;
(3) the concave convex rod stone flour 200g carrying out modification according to acid activation modification mode of the present invention that particle diameter is 80 μm is taken;
(4) gas generation agent 100g is taken;
(5) above-mentioned four kinds of powder are put into mechanical agitator stirring to mix for 10 minutes;
(6) mixed powder packing is entered in tubular die, suppress under the hydraulic pressure of 0.9MPa, at 220 DEG C of temperature, sinter 90 minutes;
(7) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
Embodiment 4
(1) take ultra-high molecular weight polyethylene powder 250g, described ultra-high molecular weight polyethylene is the M-III type product of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, and its molecular weight is 3,500,000;
(2) take the medicinal active powdered carbon 150g that particle diameter is 100 μm, the specific area of described medical activated carbon is 1500m 2/ g;
(3) the concave convex rod stone flour 150g carrying out modification according to acid activation modification mode of the present invention that particle diameter is 80 μm is taken;
(4) gas generation agent 80g is taken;
(5) take and calcine according to preparation of the present invention and calcining manners the hydrotalcite powder 120g obtained;
(6) above-mentioned five kinds of powder are put into mechanical agitator stirring to mix for 10 minutes;
(7) mixed powder packing is entered in tubular die, suppress under the hydraulic pressure of 0.6MPa, at 230 DEG C of temperature, sinter 100 minutes;
(8) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
Embodiment 5
(1) take ultra-high molecular weight polyethylene powder 250g, described ultra-high molecular weight polyethylene is the M-III type product of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, and its molecular weight is 3,500,000;
(2) take the medicinal active powdered carbon 150g that particle diameter is 100 μm, the specific area of described medical activated carbon is 1500m 2/ g;
(3) the concave convex rod stone flour 150g carrying out modification according to acid activation modification mode of the present invention that particle diameter is 80 μm is taken;
(4) gas generation agent 80g is taken;
(5) roasting Fe is taken 2o 3powder 120g;
(6) above-mentioned five kinds of powder are put into mechanical agitator stirring to mix for 10 minutes;
(7) mixed powder packing is entered in tubular die, suppress under the hydraulic pressure of 0.6MPa, at 230 DEG C of temperature, sinter 100 minutes;
(8) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
Comparative example 1
(1) take ultra-high molecular weight polyethylene powder 250g, described ultra-high molecular weight polyethylene is the M-III type product of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, and its molecular weight is 3,500,000;
(2) take the medicinal active powdered carbon 150g that particle diameter is 100 μm, the specific area of described medical activated carbon is 1500m 2/ g;
(3) gas generation agent 80g is taken;
(4) above-mentioned three kinds of powder are put into mechanical agitator stirring to mix for 10 minutes;
(5) mixed powder packing is entered in tubular die, suppress under the hydraulic pressure of 0.6MPa, at 230 DEG C of temperature, sinter 100 minutes;
(6) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
Comparative example 2
(1) take ultra-high molecular weight polyethylene powder 250g, described ultra-high molecular weight polyethylene is the M-III type product of Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be, and its molecular weight is 3,500,000;
(2) the concave convex rod stone flour 150g carrying out modification according to acid activation modification mode of the present invention that particle diameter is 80 μm is taken;
(3) gas generation agent 80g is taken;
(4) above-mentioned three kinds of powder are put into mechanical agitator stirring to mix for 10 minutes;
(5) mixed powder packing is entered in tubular die, suppress under the hydraulic pressure of 0.6MPa, at 230 DEG C of temperature, sinter 100 minutes;
(6) naturally cool to 50 DEG C and then use the demoulding of siloxanes uranium releasing agent, obtain filter core.
Embodiment 6
The filter core of Example 1 ~ 5 and comparative example 1 ~ 2 gained, liner two-layer nonwoven, outsourcing two-layer nonwoven, polypropylene porous web is wrapped again at skin, 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 Microcystin in drinking water.As shown in table 1, the filter core provided for adopting enforcement 1 ~ 5 and comparative example 1 ~ 2 is to the content of the Microcystin before and after drinking water treatment.
Table 1 uses the Microcystins before and after filter core process in water, unit: ng/L
As can be seen from Table 1, the Microcystin utilizing filter core of the present invention to remove in water achieves good effect, and clearance is more than 97.0%, and this filter core is applicable to the needs of home terminal drinking water treatment very much.
Be described in detail for filter medium removing microcystin in drinking water and preparation method thereof and the filter core that is made up of 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 (10)

1. remove a preparation method for the filter medium of microcystin in drinking water, it is characterized in that, comprise the following steps:
A) ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent are mixed, obtain mixture, the weight ratio of described ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is 200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100;
B) mixture of step a) gained is suppressed in a mold, sinters, cooled;
Described pressing pressure is 0.4MPa ~ 1Mpa; Described sintering temperature is 200 DEG C ~ 240 DEG C; Described sintering time is 90 ~ 150min; Described chilling temperature is 40 DEG C ~ 60 DEG C.
2. preparation method according to claim 1, is characterized in that, described modified attapulgite stone flour is acid activation modification.
3. preparation method according to claim 1, is characterized in that, also comprises calcined hydrotalcite powder.
4. preparation method according to claim 3, is characterized in that, the calcining heat of described calcined hydrotalcite powder is 500 DEG C.
5. preparation method according to claim 1, it is characterized in that, the weight ratio of described calcined hydrotalcite powder and ultra-high molecular weight polyethylene powder, activated carbon powder, modified attapulgite stone flour and gas generation agent is 110 ~ 150:200 ~ 300:100 ~ 200:100 ~ 200:50 ~ 100.
6. preparation method according to claim 1, is characterized in that, also comprises roasting Fe 2o 3powder.
7. the filter medium for removing microcystin in drinking water that obtains of preparation method according to any one of claim 1 to 6.
8. a filter core, is characterized in that, is made up of filter medium according to claim 7.
9. a purifier, is characterized in that, comprises filter medium according to claim 7 or filter core according to claim 8.
10. a water dispenser, is characterized in that, comprises purifier according to claim 9.
CN201510870986.2A 2015-12-01 2015-12-01 Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof Pending CN105478089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510870986.2A CN105478089A (en) 2015-12-01 2015-12-01 Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510870986.2A CN105478089A (en) 2015-12-01 2015-12-01 Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof

Publications (1)

Publication Number Publication Date
CN105478089A true CN105478089A (en) 2016-04-13

Family

ID=55665574

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510870986.2A Pending CN105478089A (en) 2015-12-01 2015-12-01 Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105478089A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113171765A (en) * 2021-04-27 2021-07-27 常州大学 Preparation method and application of honeycomb-shaped renewable porous attapulgite adsorbent

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049111A (en) * 1990-07-03 1991-02-13 四川建筑材料工业学院 The acid soak acid heat activation of Concave-convex clay rod
CN101125268A (en) * 2007-06-22 2008-02-20 奇迪电器集团有限公司 Filtering medium used for eliminating microencapsulated algae toxin and preparation method thereof and filter element made of the filtering medium
CN101734746A (en) * 2009-12-31 2010-06-16 中国科学院等离子体物理研究所 Method for adsorbing and removing phycobiliprotein and microcystin-LR by modified attapulgite
CN103449586A (en) * 2013-09-05 2013-12-18 合肥市东方美捷分子材料技术有限公司 Fiber base modified non-metallic mineral soil flocculant
CN103977774A (en) * 2014-05-28 2014-08-13 潘峰 Filtering medium for removing nonyl phenol in drinking water, filter element and preparation method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1049111A (en) * 1990-07-03 1991-02-13 四川建筑材料工业学院 The acid soak acid heat activation of Concave-convex clay rod
CN101125268A (en) * 2007-06-22 2008-02-20 奇迪电器集团有限公司 Filtering medium used for eliminating microencapsulated algae toxin and preparation method thereof and filter element made of the filtering medium
CN101734746A (en) * 2009-12-31 2010-06-16 中国科学院等离子体物理研究所 Method for adsorbing and removing phycobiliprotein and microcystin-LR by modified attapulgite
CN103449586A (en) * 2013-09-05 2013-12-18 合肥市东方美捷分子材料技术有限公司 Fiber base modified non-metallic mineral soil flocculant
CN103977774A (en) * 2014-05-28 2014-08-13 潘峰 Filtering medium for removing nonyl phenol in drinking water, filter element and preparation method

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
GAO, YU-QIONG，ET AL: "Adsorption of Microcystin-LR from Water with Iron Oxide Nanoparticles", 《WATER ENVIRONMENT RESEARCH》 *
JUNGJU LEE,ET AL: "Adsorption of microcystin-Lr onto iron oxide nanoparticles", 《COLLOIDS AND SURFACES A: PHYSICOCHEMICAL AND》 *
丘秀珍等: "Ce /Zr /Al 类水滑石的合成、表征及其吸附性能研究", 《化学研究与应用》 *
潘纲等: "黏土絮凝沉降铜绿微囊藻的动力学及其作用机理", 《环境科学》 *
闫海等: "粘土矿物和碳纳米管对微囊藻毒素的吸附", 《环境科学》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113171765A (en) * 2021-04-27 2021-07-27 常州大学 Preparation method and application of honeycomb-shaped renewable porous attapulgite adsorbent
CN113171765B (en) * 2021-04-27 2024-03-19 常州大学 Preparation method and application of honeycomb renewable porous attapulgite adsorbent

Similar Documents

Publication Publication Date Title
CN104028250B (en) For removing filter medium, filter core and the preparation method of Aluminium in Drinking Water
CN104021833B (en) Filter medium and filter element for removing radioactive uranium in drinking water and preparing method of filter medium
CN101628222B (en) Filtering medium for removing micro radioactive substances in water and preparation method thereof
CN105498722A (en) Filtering medium for removing lead in drinking water, filter element and preparation method
CN104667634B (en) Filtering medium used for removing manganese in drinking water, filter element and preparation method
CN101569856B (en) Filtering medium for removing metallic lead in water and preparation method thereof
CN101898115B (en) Filter medium, preparation method thereof, filter element and water purification device
CN104667632B (en) Filtering medium for removing lead in drinking water, filter core and preparation method
CN101628230A (en) Filter medium for removing nickel in water and preparation method thereof
CN104307496B (en) For removing the filter medium of Perchlorate in Drinking Water, filter element and preparation method
CN104667635B (en) For removing the filter medium of organochlorine, filter element and preparation method in drinking water
CN104083944B (en) For removing the filter medium of Pb in Drinking Water, filter core and preparation method
CN105289550A (en) Filtering medium for removing antibiotic-sulfamethoxazole in drinking water, filtering element and preparation method of filtering medium for removing antibiotic-sulfamethoxazole in drinking water
CN105289548A (en) Filtering medium and filter core for removing iron, manganese and ammonia nitrogen from drinking water and preparation method of filtering medium
CN104587748B (en) For removing the filter medium of Arsenic in Drinking Water, filter core and preparation method
CN104014199B (en) For removing the filter medium of phenol in drinking water, filter core and preparation method
CN104667633A (en) Filter medium for removing cadmium in drinking water, filter element and preparation method of filter medium
CN105498737A (en) Filtering medium for removing radioactive strontium in drinking water, filter element and preparation method
CN102295317B (en) Filtering medium for removing thallium from drinking water and preparation method thereof
CN103977635B (en) For removing the filter medium of halogen acetonitrile in drinking water, filter core and preparation method
CN104014318A (en) Filtering medium applied to remove naproxen in drinking water, filter core and preparation method
CN105478089A (en) Filtering medium for removing microcystic toxins (MC-LR) in drinking water, and filter core and preparation method thereof
CN104014198A (en) Filtering medium for removing cadmium from drinking water, filtering element and preparation method
CN103977774A (en) Filtering medium for removing nonyl phenol in drinking water, filter element and preparation method
CN105498723A (en) Filtering medium for removing ibuprofen and clofibric acid in drinking water, filter element and preparation method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Luan Yuntang

Inventor after: Tian Danyu

Inventor after: Lin Chun

Inventor after: Cao Longji

Inventor after: Jiang Rongping

Inventor before: Zhou Yi

COR Change of bibliographic data
TA01 Transfer of patent application right

Effective date of registration: 20170110

Address after: 510000 Guangdong province high tech Industrial Development Zone of Guangzhou Science City skim Springs Road No. 3, Guangzhou international business incubator E 407-408 room

Applicant after: Guangzhou Kang water science and Technology Co., Ltd.

Address before: Chancheng Zhongyi 528000 area in Guangdong city of Foshan Province Road No. 93 701

Applicant before: Zhou Yi

RJ01 Rejection of invention patent application after publication

Application publication date: 20160413

RJ01 Rejection of invention patent application after publication