CN107308920A - One kind removes hexachloro-benzene filter medium, filter core and preparation method in drinking water - Google Patents

One kind removes hexachloro-benzene filter medium, filter core and preparation method in drinking water Download PDF

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CN107308920A
CN107308920A CN201710363719.5A CN201710363719A CN107308920A CN 107308920 A CN107308920 A CN 107308920A CN 201710363719 A CN201710363719 A CN 201710363719A CN 107308920 A CN107308920 A CN 107308920A
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powder
molecular weight
galapectite
ultra
preparation
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林红武
栾云堂
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Fujian Fu Fu Environmental Protection Technology Co Ltd
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Fujian Fu Fu Environmental Protection Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—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 surface properties or porosity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • 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
    • B01J20/28054—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 surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • 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
    • B01J20/28054—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 surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B01J20/28059—Surface area, e.g. B.E.T specific surface area being less than 100 m2/g
    • 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
    • B01J20/28054—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 surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B01J20/28061—Surface area, e.g. B.E.T specific surface area being in the range 100-500 m2/g
    • 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
    • B01J20/28054—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 surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B01J20/28064—Surface area, e.g. B.E.T specific surface area being in the range 500-1000 m2/g
    • 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
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/36—Organic compounds containing halogen
    • 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
    • C02F2303/02—Odour removal or prevention of malodour
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/10—Location of water treatment or water treatment device as part of a potable water dispenser, e.g. for use in homes or offices

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

Abstract

The invention provides a kind of preparation method for removing the filter medium of hexachloro-benzene in drinking water, including：A) ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent are mixed, obtain mixture, the ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, the weight ratio of 10X molecular sieves powder and gas generation agent are 100~200:110~200:50~90:100~150:50~100；B) mixture obtained by step a) is suppressed in a mold, sintered, cooled down；The pressing pressure is 0.4MPa~1Mpa；The sintering temperature is 200 DEG C~245 DEG C；The sintering time is 90~150min；The chilling temperature is 40 DEG C~60 DEG C.The present invention coordinates specific sintering temperature, pressure and chilling temperature under above-mentioned raw materials synergy, and obtained filter medium is high to the clearance of water hexachloro-benzene.

Description

One kind removes hexachloro-benzene filter medium, filter core and preparation method in drinking water
Technical field
Filter medium of hexachloro-benzene and preparation method thereof in drinking water is removed the present invention relates to a kind of, by the filter medium Filter core, the water purifying plant and drinking Fountains of composition.
Background technology
Hexachloro-benzene (HCB) is《Convention of Stockholm on persistence organic pollutant》In, it is listed in first batch of needs One of 12 kinds of persistence organic pollutants (pops) taken action.Priority pollutants are all listed in USA and EU Blacklist on.HCB is once widely used as insecticide.China HCB is mainly used as production agricultural chemicals pentachlorophenol and pentachlorophenol Sodium.Annual production accounts for Za Zhi bioxin in the 1/5 of world's annual production, and domestic pentachlorophenol and its sodium salt product and accounts for polystream And the content of furans is higher.The administration of a large amount of agricultural chemicals causes pops to enter water body.Have 42 in 44 urban groundwater investigation of China Individual urban groundwater is contaminated.
Due to HCB persistence, half volatile, bioaccumulation, high toxicity, not degradable, to the whole ecosystem and Health causes to seriously endanger.Domestic many reports detect more highly concentrated from urban water-body river lake, underground water and running water Spend HCB.
The traditional water treatment technology in waterworks can not effectively remove HCB；Base catalysis denitrogenation, wet oxidation process, super face Boundary's oxidizing process etc. is all highly energy-consuming, operating cost height；RO reverse osmosis membrane water wastings are power-consuming, and cost is high, and the concentrate of discharge is difficult Processing, easily causes secondary pollution.
The content of the invention
In view of this, present invention solves the technical problem that being to provide a kind of filter medium and preparation method thereof, the filtering is situated between The clearance of hexachloro-benzene is high in matter drinking water, and method is simple.Additionally provide the filter core, net being made up of this filter medium Water installations and water dispenser.
The invention provides a kind of preparation method for removing the filter medium of hexachloro-benzene in drinking water, comprise the following steps：
A) ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent are mixed Close, obtain mixture, the ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and hair The weight ratio of hole agent is 100~200:110~200:50~90:100~150:50~100；
B) mixture obtained by step a) is suppressed in a mold, sintered, cooled down；
The pressing pressure is 0.4MPa~1Mpa；The sintering temperature is 200 DEG C~245 DEG C；The sintering time is 90~150min；The chilling temperature is 40 DEG C~60 DEG C.
It is preferred that, the galapectite is tubulose galapectite.
It is preferred that, in addition to boehmite.
It is preferred that, the boehmite divides with ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X The weight ratio of son sieve powder and gas generation agent is 50~90:100~200:110~200:50~90:100~150:50~100.
It is preferred that, in addition to albumen stone flour.
It is preferred that, the albumen stone flour and ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X The weight ratio of molecular sieve powder and gas generation agent is 50~90:100~200:110~200:50~90:100~150:50~100.
The invention provides the preparation method described in above-mentioned technical proposal obtain be used for remove hexachloro-benzene in drinking water Filter medium.
The invention provides a kind of filter core, it is made up of the filter medium described in above-mentioned technical proposal.
The invention provides a kind of purifier, filter medium or above-mentioned technical proposal described in above-mentioned technical proposal Described filter core.
The invention provides a kind of water dispenser, the purifier described in above-mentioned technical proposal.
Compared with prior art, the invention provides a kind of preparation side for removing the filter medium of hexachloro-benzene in drinking water Method, comprises the following steps：A) by ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and Gas generation agent is mixed, and obtains mixture, the ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecules The weight ratio for sieving powder and gas generation agent is 100~200:110~200:50~90:100~150:50~100；B) by step a) institutes The mixture obtained is suppressed, sinters, cooled down in a mold；The pressing pressure is 0.4MPa~1Mpa；The sintering temperature is 200 DEG C~245 DEG C；The sintering time is 90~150min；The chilling temperature is 40 DEG C~60 DEG C.The present invention is above-mentioned Under raw material synergy, coordinate specific sintering temperature, pressure and chilling temperature, the filter medium prepared is to water chlordene The clearance of benzene is high, and method is simple, it is adaptable to by the drinking water of its pollution, exempts the injury that hexachloro-benzene is produced to human body, uses Simplicity, cost is low, is not powder additionally, due to filter core is used, so without subsequent treatment, being adapted to home terminal drinking-water Processing.After testing the filter medium to the clearance of hexachloro-benzene in drinking water more than 99.0%.
Embodiment
The invention provides a kind of preparation method for removing the filter medium of hexachloro-benzene in drinking water, comprise the following steps：
A) ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent are mixed Close, obtain mixture, the ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and hair The weight ratio of hole agent is 100~200:110~200:50~90:100~150:50~100；
B) mixture obtained by step a) is suppressed in a mold, sintered, cooled down；
The pressing pressure is 0.4MPa~1Mpa；The sintering temperature is 200 DEG C~245 DEG C；The sintering time is 90~150min；The chilling temperature is 40 DEG C~60 DEG C.
The present invention first by ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and Gas generation agent is mixed, and obtains mixture, the ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecules The weight ratio for sieving powder and gas generation agent is 100~200:110~200:50~90:100~150:50~100；Preferably 110~ 190:110~190:60~90:110~140:60~90；More preferably 120~180:120~180：65~85:110~ 130:65~85.
In the present invention, the weight average molecular weight of the ultra-high molecular weight polyethylene is preferably 1,000,000~7,000,000, more preferably For 2,500,000~4,000,000, most preferably 2,500,000~3,500,000.Ultra-high molecular weight polyethylene can be obtained from domestic production producer, such as Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be can provide M-I types (molecular weight is 150 ± 500,000), M-II type (molecular weight For 250 ± 50 ten thousand), the production of M-III types (molecular weight is 350 ± 500,000), M-IV types (molecular weight is more than 4,000,000) equal-specification Product.One effect of ultra-high molecular weight polyethylene is the effect for bonding and being formed filter medium skeleton, because super high molecular weight is poly- The molecular weight of ethene is big, and melt viscosity is very high, can not be flowed after melting, so being passed through using ultra-high molecular weight polyethylene Compacting, sinters obtained filter medium, easily forms micropore, can play a part of HCB in absorption water.The present invention is preferably adopted It is 89~104 μm, more preferably 91~104 μm of ultra-high molecular weight polyethylene with particle diameter.
In the present invention, activated carbon is a kind of porous material, with cellular pore structure, larger ratio surface Product, special surface functional group, stable physical and chemical properties, are excellent adsorbent, catalyst or catalyst carrier. It is preferably divided into what wood activated charcoal, mineral raw material activated carbon and other raw materials were made according to the different activities charcoal of raw material sources Activated carbon etc..Wherein, the wood activated charcoal preferably includes cocoanut active charcoal, apricot shell activated carbon, wooden burgy；The mineral Matter raw material activated carbon preferably includes the activated carbon that various coals and oil and its processing product are made for raw material；Other raw materials are made Activated carbon preferably include scrap rubber, the activated carbon that waste plastics is made.Present invention preferably uses the work using coconut husk material as source Property charcoal, its intensity is higher, absorption property is good, more preferably using coconut husk material for originate medical activated carbon.In the present invention, The specific surface area of the activated carbon is preferably not less than 500m2/ g, more desirably not less than 1000m2/g.Activated carbon can be with efficient absorption Heavy metal, organic matter, especially heterochromatic peculiar smell, medical activated carbon in drinking water, are used as the related drug surveilance mark of used country Accurate product, impurity content is low, and surface area is bigger, and adsorption effect is also more preferable, and can ensure filtering from medical activated carbon Medium is directly used in the processing of drinking water.
Present invention preferably employs the medical activated carbon that particle diameter is 74~104 μm.
Galapectite is a kind of silicate mineral, generally white, wax-like or greasy luster.Conchoidal fracture.Proportion is 2: 1,2.6 or so can be increased to after dehydration.Galapectite is a kind of main clay mineral, is typical slacking product.China There is output in the ground weathering crusts such as Sichuan Xuyong, the band of Guizhou Xishui County one and Yangquan Shanxi, and because of the place of production and obtain entitled Xuyong Stone.It is also originated in the oxidized zone in metal sulfide mineral deposit, is also originated on a small quantity in recent sediment sometimes.
Crystal belongs to the aqueous layer silicate mineral of monoclinic system, also belongs to 1:The dioctahedron of 1 type construction unit layer With the presence of intermediary water between type structure, but construction unit layer, therefore also referred to as halloysite.Big portion's interlayer is lost at 50~90 DEG C Water, as indianaite, polymorphic form is constituted with kaolinite.Galapectite is generally in compact massive or earthy；In electron microscope Lower visible crystals are in straight or curved tube-like condition.The chemical composition of middle latitude halloysite clay is as follows：SiO245.8%th, Al2O337.3%th, Fe2O30.5%th, K2O 0.11%, TiO20.39%th, CaO MgO are humble, loss on ignition 14.50%, white Or pink, 1730 DEG C of refractoriness, adhesion height.
Galapectite of the present invention is preferably tubulose galapectite, and more preferably particle diameter is 10~80 μm of tubulose galapectite.
Molecular sieve is a kind of silicate compound with cubic lattice structure, mainly connects group by oxygen bridge by sial Into spacious skeleton structure, there are the uniform duct in many apertures and marshalling in the structure, internal surface area very big hole. Additionally containing electricity price is relatively low and metal ion and the water of compound state that ionic radius is larger.Because hydrone is in thermal histories Continuously lose, but crystal framework structure is constant, forms many size identical cavitys, and cavity is again identical by many diameters Micropore be connected, these small void diameters are uniform in size, the inside of Molecular Adsorption that can be smaller than channel diameter to hole, And the molecular repulsion bigger than duct outside, thus can be different points of the different molecule of shape diameter, polarity degree The different molecule of the different molecule of son, boiling point, degree of saturation is separated, i.e. the effect with " screening " molecule, therefore is referred to as Molecular sieve.
Conventional molecular sieve model has：
A types：Potassium A (3A), sodium A (4A), calcium A (5A)；
X-type：Calcium X (10X), sodium X (13X)；
Y types：Sodium Y, calcium Y.
Molecular sieve wettability power is extremely strong, the resting period is longer and molecular sieve use of moisture absorption before should carry out at regeneration Reason.The method of regeneration treatment is a lot, and a kind of method of regeneration treatment is disclosed in Chinese patent ZL91111093, including following Step：According to weight ratio it is 0.25~1.5 by ammonium sulfate and waste molecular sieve cracking catalyzer:1 is well mixed；It is heated to 250~ 600 DEG C of roastings obtain soluble-salt；Product of roasting water logging, makes soluble-salt soluble in water；Filtering makes solution and molecule sieving Slag is separated；Filter residue is washed with water or weak aqua ammonia, until washing no so；Filter residue is dried at 50~100 DEG C.If molecular sieve is There is no the molecular sieve of moisture absorption, then can directly use without carrying out regeneration treatment.
The molecular sieve powder that the present invention is used is 10X type molecular sieves.The molecular sieve of this type has relative to remaining molecular sieve Preferably go the effect of hexachloro-benzene in water removal.The particle diameter of 10X types molecular sieve of the present invention is preferably 44~74 μm；More preferably For 50~70 μm.
Gas generation agent of the present invention is that a class easily decomposes the material for producing a large amount of gases and causing hair engaging aperture to act on, wherein occasionally Nitrogen compound, sodium acid carbonate, ammonium hydrogen carbonate, ammonium carbonate, sulphonyl nitrile compounds, oxalic acid etc. are its typical representatives.As It is preferred that, gas generation agent is at least one of azodicarbonamide, food grade ammonium bicarbonate, oxalic acid.Wherein, food-grade bicarbonate Ammonium is also referred to as AMMONIUM BICARBONATE FOOD GRADE, is distinguished with technical grade ammonium hydrogen carbonate.Although technical grade ammonium hydrogen carbonate also has the work of hair engaging aperture With, but it may the impurity containing insalubrity, should not be used as Drinking Water Filtration medium raw materials for production.
Ozonation disclosed in prior art goes the clearance of hexachloro-benzene in water removal to be mostly 70%~85% or so, Improve just relatively difficult again, and not only process is cumbersome while having pollution using oxidizing process.The creative discovery of the present inventor, After ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent sintering, formation Netted knot and charge property enhance the suction-operated of hexachloro-benzene.By the mutual cooperation and interaction of this five kinds of raw materials, altogether With make it that the clearance for the hexachloro-benzene in drinking water is high, effect is good.
In the present invention, it is preferred to also include boehmite.It is the boehmite and ultra-high molecular weight polyethylene powder, wooden medical Activated carbon powder, galapectite, the weight ratio of 10X molecular sieves powder and gas generation agent are 50~90:100~200:110~200:50~ 90:100~150:50~100, more preferably 60~90：110~190:110~190:60~90:110~140:60~90, Most preferably 65~85:120~180:120~180：65~85:110~130:65~85.
Boehmite (Boehmite) is also known as boehmite, and molecular formula is γ-AlOOH (hydrated alumina), it and it is main into The diaspore for being divided into α-AlO (OH) is the main constituents of bauxite.Fire retardant, more than 400 DEG C decomposition can be used as.Suddenly The bipyramid point group that nurse stone belongs in rhombic system.This as white crystal, due to the impurity wherein contained so that often have yellow, Green, brown or punctation, with glass or pearly luster, mohs hardness is 3 to 3.5, and proportion is 3 to 3.07.Boehmite For positive biaxial crystal.
The present inventor creative above-mentioned boehmite of discovery and above-mentioned ultra-high molecular weight polyethylene powder, wooden medicinal active Powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent have synergy, high especially for hexachloro-benzene clearance in water, effect It is good.
The particle diameter of boehmite of the present invention is preferably 50~200 μm.
In the present invention, in addition to albumen stone flour.
Opal is the hydrate of silica, and composition is SiO2·nH2O, is amorphous structure, so without certain outer Shape, fracture is conchoidal, and the mainly colloidal precipitation of silica is formed, if be deposited in organic remains, is formed " treeization is beautiful "；It is deposited in conch remains, then forms " Luo Huayu ", spiral shellization is beautiful at present only in the rare discovery in Hainan, local person For spiral shell fossil or Hai Yu.Opal is the silica gelling body of natural hardening, containing 5~10% moisture.Opal with it is many Number jewel is different, belongs to noncrystalline, can gradually become dry doubling due to the water loss in jewel and crack occur.Opal is in mineral Belong to opal class in, be the jewel with chatoyance effect, be a kind of aqueous amorphous silica.Without fixed outer Shape is often compact massive, granular, earthy, stalactitic, concretion forms, cellular etc..
In the present invention, the albumen stone flour and ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, The weight ratio of 10X molecular sieves powder and gas generation agent is preferably 50~90:100~200:110~200:50~90:100~150:50 ~100, more preferably 60~90：110~190:110~190:60~90:110~140:60~90, most preferably 65~ 85:120~180:120~180：65~85:110~130:65~85.
The particle diameter of opal of the present invention is preferably 50~150 μm.
The creative discovery of the present inventor, by above-mentioned albumen stone flour and ultra-high molecular weight polyethylene powder, wooden medical work Property powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent it is sintered after, formed mutually synergy, greatly strengthen in water The suction-operated of hexachloro-benzene.
In the present invention, it is not particularly limited for the source and purity of above-mentioned raw materials, it is preferably commercially available.
The present invention has carried out more description in detail for several raw materials used in step a) in above-mentioned preparation method, Under the collaboration adduction of this several raw material, the hexachloro-benzene in water can be adsorbed fully.
In the present invention, the mixing for above-mentioned raw materials does not have any limitation, can will not significantly change powder to be any The low shear mixer or agitator of particle diameter and size distribution, preferably can be that agitator, the drum-type of blunt impeller blade are mixed Clutch, spiral agitator etc..Will be depending on the type of blender, to this not for the rotating speed of above-mentioned mixer and agitator Limited, preferably avoid kicking up dust.
After above-mentioned raw materials are mixed, the mixture obtained by step a) is suppressed in a mold, sinter, cooled down.
Specifically, mixed powder is filled into pre-designed mould, it is compacted into by pressurization, pressure Preferably no greater than 2MPa, more preferably 0.4~1.0MPa, and be adapted with the material of mould therefor；Mould can by iron, manganese, Cast iron, steel any appropriate can bear the material manufacture of relevant pressure and temperature.It can apply and be stripped in mould inner surface Agent, can select silicone oil or any other commercially available releasing agent being hardly adsorbed onto on filter medium, can also use Processing release paper.Sintering temperature is 200 DEG C~245 DEG C, more preferably 220 DEG C~240 DEG C；Sintering time is 90 minutes~150 points Clock, more preferably 100 minutes~120 minutes；40 DEG C~60 DEG C demouldings are cooled to after sintering.In this manufacturing process, in invention After the experiment of people many times, the filter medium produced in above-mentioned sintering temperature and time range, filter effect are drawn More preferably.
Present invention also offers following technical scheme：Being used for of having that the preparation method described in above-mentioned technical proposal obtains goes Except the filter medium of hexachloro-benzene in drinking water.
Present invention also offers following technical scheme：Chlordene in a kind of removal drinking water being made up of above-mentioned filter medium The filter core of benzene.
Present invention also offers following technical scheme：A kind of purifier, including above-mentioned filter medium or filter core.
Include the water dispenser of above-mentioned purifier present invention also offers a kind of.
The present invention is under the synergy of above-mentioned raw materials, clearance of the filter medium prepared to hexachloro-benzene in water Height, method is simple, it is adaptable to by the drinking water of its pollution, exempts the injury that hexachloro-benzene is produced to human body, easy to use, cost It is low, it is not powder additionally, due to filter core is used, so without subsequent treatment, being adapted to the processing of home terminal drinking-water.Through inspection The filter medium is surveyed to the clearance of hexachloro-benzene in drinking water more than 99.0%.
In order to further illustrate the present invention, the removal drinking water hexachloro-benzene provided with reference to embodiments the present invention Filter medium is described in detail.
Embodiment 1
(1) it is 91 μm of ultra-high molecular weight polyethylene powder 100g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-I type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 2,500,000；
(2) the medicinal active powdered carbon 110g that particle diameter is 74 μm is weighed, the specific surface area of the medical activated carbon is 800m2/ g；
(3) the galapectite 50g that particle diameter is 30 μm is weighed；
(4) the 10X molecular sieve powder 100g that particle diameter is 50 μm is weighed；
(5) gas generation agent 50g is weighed；
(6) above-mentioned five kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(7) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.7MPa hydraulic pressure, Sintered 120 minutes at a temperature of 200 DEG C；
(8) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Embodiment 2
(1) it is 95 μm of ultra-high molecular weight polyethylene powder 150g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-III type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 3,000,000；
(2) the medicinal active powdered carbon 150g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g；
(3) the galapectite 70g that particle diameter is 50 μm is weighed；
(4) the 10X molecular sieve powder 120g that particle diameter is 60 μm is weighed；
(5) gas generation agent 75g is weighed；
(6) above-mentioned five kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(7) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, Sintered 100 minutes at a temperature of 220 DEG C；
(8) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Embodiment 3
(1) it is 104 μm of ultra-high molecular weight polyethylene powder 200g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Beijing The M-IV type products of east second auxiliary factory of petrochemical industry Co., Ltd, its molecular weight is 4,000,000；
(2) the medicinal active powdered carbon 200g that particle diameter is 89 μm is weighed, the specific surface area of the medical activated carbon is 1200m2/g；
(3) the galapectite 85g that particle diameter is 80 μm is weighed；
(4) the 10X molecular sieve powder 150g that particle diameter is 70 μm is weighed；
(5) gas generation agent 100g is weighed；
(6) above-mentioned five kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(7) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.9MPa hydraulic pressure, Sintered 90 minutes at a temperature of 240 DEG C；
(8) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Embodiment 4
(1) it is 95 μm of ultra-high molecular weight polyethylene powder 150g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-III type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 3,000,000；
(2) the medicinal active powdered carbon 150g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g；
(3) the galapectite 70g that particle diameter is 50 μm is weighed；
(4) the 10X molecular sieve powder 120g that particle diameter is 60 μm is weighed；
(5) gas generation agent 75g is weighed；
(6) the boehmite powder 75g of 100 μm of particle diameter is weighed；
(7) above-mentioned six kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(8) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, Sintered 100 minutes at a temperature of 220 DEG C；
(9) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Embodiment 5
(1) it is 95 μm of ultra-high molecular weight polyethylene powder 150g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-III type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 3,000,000；
(2) the medicinal active powdered carbon 150g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g；
(3) the galapectite 70g that particle diameter is 50 μm is weighed；
(4) the 10X molecular sieve powder 120g that particle diameter is 60 μm is weighed；
(5) gas generation agent 75g is weighed；
(6) the albumen stone flour 75g that particle diameter is 85 μm is weighed；
(7) above-mentioned six kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(8) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, Sintered 100 minutes at a temperature of 220 DEG C；
(9) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Comparative example 1
(1) it is 95 μm of ultra-high molecular weight polyethylene powder 150g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-III type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 3,000,000；
(2) the medicinal active powdered carbon 150g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g；
(3) the 10X molecular sieve powder 120g that particle diameter is 60 μm is weighed；
(4) gas generation agent 75g is weighed；
(5) above-mentioned four kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(6) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, Sintered 100 minutes at a temperature of 220 DEG C；
(7) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Comparative example 2
(1) it is 95 μm of ultra-high molecular weight polyethylene powder 150g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-III type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 3,000,000；
(2) the medicinal active powdered carbon 150g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g；
(3) the galapectite 70g that particle diameter is 50 μm is weighed；
(4) gas generation agent 75g is weighed；
(5) above-mentioned four kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(6) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, Sintered 100 minutes at a temperature of 220 DEG C；
(7) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Comparative example 3
(1) it is 95 μm of ultra-high molecular weight polyethylene powder 150g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-III type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 3,000,000；
(2) the medicinal active powdered carbon 150g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g；
(3) the modified alta-mud 70g that particle diameter is 50 μm is weighed；
(4) the modified attapulgite stone flour 120g that particle diameter is 60 μm is weighed；
(5) gas generation agent 75g is weighed；
(6) above-mentioned five kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(7) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, Sintered 100 minutes at a temperature of 220 DEG C；
(8) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Comparative example 4
(1) it is 95 μm of ultra-high molecular weight polyethylene powder 150g to weigh particle diameter, and the ultra-high molecular weight polyethylene is Bei Jingdong The M-III type products of second auxiliary factory of square petrochemical industry Co., Ltd, its molecular weight is 3,000,000；
(2) the medicinal active powdered carbon 100g that particle diameter is 84 μm is weighed, the specific surface area of the medical activated carbon is 1500m2/g；
(3) the modified alta-mud 150g that particle diameter is 50 μm is weighed；
(4) the modified attapulgite stone flour 150g that particle diameter is 60 μm is weighed；
(5) gas generation agent 75g is weighed；
(6) above-mentioned five kinds of powder are put into mechanical agitator to stir 10 minutes and be well mixed；
(7) take 300g to be packed into tubular die in powder upon mixing, suppressed under 0.6MPa hydraulic pressure, Sintered 100 minutes at a temperature of 220 DEG C；
(8) 50 DEG C are naturally cooled to and then is stripped with siloxanes uranium releasing agent, filter core is produced.
Embodiment 6
The filter core of Example 1~5 and the gained of comparative example 1~3, liner two-layer nonwoven, outsourcing two-layer nonwoven, Polypropylene porous web is wrapped in outer layer again, filter core two ends are bonded with connection end cap, are positioned in stainless steel or plastic casing, used In processing drinking water, after testing, the filter core is good to the removal effect of the hexachloro-benzene in drinking water.As shown in table 1, to adopt The filter core provided with implementation 1~5 and comparative example 1~4 is to several hexachlorobenzene contents before and after drinking water treatment.
Table 1 uses the hexachlorobenzene content in filter core before and after the processing water, unit：μg/L
As it can be seen from table 1 the hexachloro-benzene gone using the filter core of the present invention in water removal achieves good effect, the filter The need for core is especially suitable for home terminal drinking water treatment.
Above to it is provided by the present invention be used to removing in drinking water filter medium of hexachloro-benzene and preparation method thereof and The filter core being made up of the filter medium is described in detail.Described above is only the preferred embodiment of the present invention, should be referred to Go out, for those skilled in the art, under the premise without departing from the principles of the invention, if can also make Dry improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of preparation method for removing the filter medium of hexachloro-benzene in drinking water, it is characterised in that comprise the following steps：
A) ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent are mixed, obtained To mixture, the ultra-high molecular weight polyethylene powder, wooden medicinal active powdered carbon, galapectite, 10X molecular sieves powder and gas generation agent Weight ratio is 100~200:110~200:50~90:100~150:50~100；
B) mixture obtained by step a) is suppressed in a mold, sintered, cooled down；
The pressing pressure is 0.4MPa~1Mpa；The sintering temperature is 200 DEG C~245 DEG C；The sintering time be 90~ 150min；The chilling temperature is 40 DEG C~60 DEG C.
2. preparation method according to claim 1, it is characterised in that the galapectite is tubulose galapectite.
3. preparation method according to claim 1, it is characterised in that also including boehmite.
4. preparation method according to claim 3, it is characterised in that the boehmite and ultra-high molecular weight polyethylene powder, Wooden medicinal active powdered carbon, galapectite, the weight ratio of 10X molecular sieves powder and gas generation agent are 50~90:100~200:110~ 200:50~90:100~150:50~100.
5. preparation method according to claim 1, it is characterised in that also including albumen stone flour.
6. preparation method according to claim 5, it is characterised in that the albumen stone flour and ultra-high molecular weight polyethylene Powder, wooden medicinal active powdered carbon, galapectite, the weight ratio of 10X molecular sieves powder and gas generation agent are 50~90:100~200:110~ 200:50~90:100~150:50~100.
7. the mistake for removing hexachloro-benzene in drinking water that preparation method according to any one of claim 1 to 6 is obtained Filter medium.
8. a kind of filter core, it is characterised in that be made up of the filter medium described in claim 7.
9. a kind of purifier, it is characterised in that including described in the filter medium or claim 8 described in claim 7 Filter core.
10. a kind of water dispenser, it is characterised in that including the purifier described in claim 9.
CN201710363719.5A 2017-05-22 2017-05-22 One kind removes hexachloro-benzene filter medium, filter core and preparation method in drinking water Pending CN107308920A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1994520A (en) * 2006-12-28 2007-07-11 北京佳康尔水处理技术有限公司 Filter core for removing agricultural chemical or pesticide from drinking water and preparation method thereof
CN101844005A (en) * 2009-03-27 2010-09-29 周奇迪 Filter medium for removing benzene and homologous compounds thereof from drinking water and preparation method thereof
CN104014318A (en) * 2014-05-28 2014-09-03 潘峰 Filtering medium applied to remove naproxen in drinking water, filter core and preparation method

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1994520A (en) * 2006-12-28 2007-07-11 北京佳康尔水处理技术有限公司 Filter core for removing agricultural chemical or pesticide from drinking water and preparation method thereof
CN101844005A (en) * 2009-03-27 2010-09-29 周奇迪 Filter medium for removing benzene and homologous compounds thereof from drinking water and preparation method thereof
CN104014318A (en) * 2014-05-28 2014-09-03 潘峰 Filtering medium applied to remove naproxen in drinking water, filter core and preparation method

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