CN101081344A - Filter media for removing volatile phenol in water and method for making same and filter element using said filter media - Google Patents
Filter media for removing volatile phenol in water and method for making same and filter element using said filter media Download PDFInfo
- Publication number
- CN101081344A CN101081344A CN 200710137647 CN200710137647A CN101081344A CN 101081344 A CN101081344 A CN 101081344A CN 200710137647 CN200710137647 CN 200710137647 CN 200710137647 A CN200710137647 A CN 200710137647A CN 101081344 A CN101081344 A CN 101081344A
- Authority
- CN
- China
- Prior art keywords
- water
- molecular weight
- preparation
- filter medium
- phenol
- 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
Links
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The process of preparing filtering medium includes the following steps: mixing the materials including ultrahigh molecular weight polyethylene, active carbon and attapulgite powder in the weight ratio of 5-25 to 1-10 to 1; molding; sintering at 150-400 deg.c; and cooling. Thus prepared filtering medium and filter element can eliminate phenol from water in high efficiency and no secondary pollution. The filtering element has phenol eliminating rate of 80-99 %, low cost and convenient use.
Description
Technical field
The present invention relates to a kind of filter medium and preparation method thereof, also relate to the filter core that uses this filter medium, also relate to a kind of method of using filter medium of the present invention or filter core to remove volatile phenol in the water.
Background technology
Along with developing rapidly of industry and agricultural, the water resource of China has been suffered heavy damage, and increasing industrial wastewater discharge has destroyed our ecological environment in rivers and lakes; The discharging wantonly of the extensive application of agricultural chemicals, pesticide and house refuse causes phreatic water quality variation, and causes producing in the water a lot of harmful materials.Water pollutes more and more becomes the severe problem that influences people's life.
Volatile phenol is one of index of water quality detection.Phenolic compound in the water body is mainly derived from phenol wastewater, as industrial wastewaters such as coking, coal gas, oil refinery, the dry distillation of wood, synthetic resin, synthetic fibers, dyestuff, medicine, spices, agricultural chemicals, glass fibre, paint, disinfectant, chemical reagent.Phenolic compound can be through the contact of skin, mucous membrane, and respiratory tract sucks and per os enters number of ways such as alimentary canal and enters in the body.The water that is polluted by phenol in the environment, after being absorbed by the body, can make wherein most of forfeiture toxicity by function of detoxification in the body, and excrete with urine, if when entering the interior amount of human body above normal human's function of detoxification, exceeding part can accumulate in vivo in each organs and tissues, cause slow poisoning, in various degree giddy, headache, fash, skin itching, spirit uneasiness, anaemia and various neurological symptom and chronic digestible road symptoms such as poor appetite, dysphagia, hydrostomia, vomiting and diarrhoea occur.The phenolic compounds pollution surface water, as with surface water as the drinking water source, the chlorine residue effect generates disgusting chlorophenol odor class material in phenolic compound and the water, makes running water that special chlorophenol odor be arranged, its odor threshold is 0.01 mg/litre.And in the water that does not contain free chlorine, the maximum permissible concentration of phenol is 1 mg/litre.The maximum permissible concentration of volatile phenol is 0.1 mg/litre (a V class water) in China's regulation surface water, and the regulation volatile phenol is no more than 0.002 mg/litre in the Drinking Water water standard.
Phenols by on its aromatic ring the difference of direct-connected hydroxy number, can be divided into monohydric phenol and polyhydric phenols; Can be divided into volatile phenol and non-volatile phenol again by its volatility.Boiling point is lower than 230 ℃ monohydric phenol such as phenol, cresols etc., all belongs to volatile phenol, and wherein the volatile phenol than the tool representative is phenol and metacresol in the Drinking Water.
The processing method of traditional phenol wastewater is mainly used in industrial wastewater, and common is exactly method of chemical treatment, promptly under acidic oxidation agent effect waste water is heated, and makes phenolic aldehyde polycondensation novolak resin wherein, is reclaimed.Though this method form is simple, can only remove the higher water source of phenol concentration.Therefore, how to solve that the pollution of volatile phenol remains very problem demanding prompt solution in the drinking water.
Summary of the invention
The filter core that the technical problem to be solved in the present invention is to provide a kind of efficient, easy to use, non-secondary pollution, filter medium with low cost and preparation method thereof and uses this filter medium.The present invention also provides a kind of method that adopts above-mentioned filter medium or filter core to improve volatile phenol in water quality, the removal drinking water.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
A kind of preparation method of filter medium comprises that with mass ratio be ultra-high molecular weight polyethylene: active carbon: attapulgite powder=5～25: 1～10: 1 raw material mixes, in mould, suppress, and then at 150～400 ℃ of sintering temperatures, cooling.
As preferably, sintering temperature is 180～280 ℃, and sintering time is no less than 60 minutes, more preferably 90～240 minutes.
As preferably, the active attapulgite stone flour of attapulgite powder for handling through acid activation.
Attapulgite is a monoclinic system, and its desirable chemical formula is; Mg
5(H
2O)
4[Si
4O
10]
2(OH)
2, the chemical composition theoretical value is MgO 23.83%, SiO
256.96%, H
2O 19.21%.The attapulgite of occurring in nature often has Al
3+, Fe
3+Deng isomorphous replacement, rich Al
3+, Fe
3+Mutation be called aluminium attapulgite and iron attapulgite.Composition as the aluminium attapulgite powder of the Dragon King of Xuyi County, Jiangsu Province mountain products is SiO
258.38%, MgO 12.10%, Al
2O
39.50%, CaO 0.40%, TiO
20.56%, MnO 0.05%, Fe
2O
3+ FeO 5.26%, Na
2O 1.10%, K
2O 1.24%.Because attapulgite has the major path of similar zeolite in structure, therefore have good adsorption and decoloration performance, and volatile phenol is had the good adsorption performance.SiO in the absorption property of attapulgite powder and the mineral
2Content relevant, the high more absorption affinity of content is strong more, the performance of the attapulgite powder after acid activation is handled is better.
The acid activation method of attapulgite powder is more, and sulfuric acid process, salt acid system, sulfuric acid-mixed in hydrochloric acid method etc. are arranged.As application number is the acid soak activating process that the patent of invention of CN90105849.1 discloses a kind of attapulgite powder, comprises the about 0.5～100cm of the volume of fritter
3The Concave-convex clay rod raw ore, with concentration is the inorganic acid solution of 1～15wt%, as sulfuric acid, hydrochloric acid solution etc., static immersion 2～100 hours, filter extruding in flakes, activate 30～50 minutes with revolving drier down at 280～350 ℃, the decolorizing ability that is ground into 50～100 microns is 250 ± 5 active attapulgite stone flour.
The polyethylene of General Definition 1,500,000～7,000,000 is a ultra-high molecular weight polyethylene, preferred 250～4,000,000 the ultra-high molecular weight polyethylene of the present invention.Compare with low molecular weight polyethylene, a notable feature is that ultra-high molecular weight polyethylene has powerful electrostatic adsorption, trickle, superfine particle that adsorbable microfiltration can not block.As preferably, the molecular weight of ultra-high molecular weight polyethylene is 250～4,000,000, and particle diameter is 89～420 microns.Ultra-high molecular weight polyethylene can obtain from domestic production producer, and the product of M-I (molecular weight is 150 ± 500,000), M-II (molecular weight is 250 ± 500,000), M-III (molecular weight is 350 ± 500,000), M-IV specifications such as (molecular weight are greater than 4,000,000) can be provided as Second Factory of Auxiliary Agent of Orient Petrochemical Industry Co., Ltd., Be.
In the present invention, ultra-high molecular weight polyethylene also plays the effect that bonds and form filter medium skeleton, vestibule.
Active carbon is a kind of porous carbon adsorbent, and it has as cellular abundant pore structure, huge specific area, special surface functional group, stable physics and chemical property, is good adsorbent, catalyst or catalyst carrier.Can be divided into wood activated charcoal according to raw material sources different activities charcoal, as cocoanut active charcoal, apricot shell active carbon, wooden burgy etc.; The mineral raw material active carbon is the active carbon that raw material is made as various coals and oil and elaboration products thereof; The active carbon that other raw material is made, the active carbon of making as scrap rubber, waste plastics etc.Be that the active carbon intensity in source is higher, absorption property is better wherein with the coconut husk material.The specific area of preferred active carbon is not less than 500 meters squared per gram, more preferably is not less than 1000 meters squared per gram.
Active carbon can efficiently adsorb organic matter, heavy metal, heterochromatic peculiar smell, the especially medical activated carbon in the drinking-water, as the product by national relevant food drug surveilance standard, impurity content is lower, surface area is bigger, and adsorption effect is also better, and is good especially to the absorption of color and smell.Select for use medical activated carbon can guarantee that filter medium is directly used in the processing of drinking water.As preferably, it is 38～250 microns medical activated carbon that active carbon is selected particle diameter for use.
Active carbon mixes with ultra-high molecular weight polyethylene to use and can produce cooperative effect, and its filtration, adsorption effect can be more remarkable.
For blend step, can think that any low shear mixer or agitator that can significantly not change diameter of particle and size distribution all is suitable for, such as the agitator with blunt impeller blade, drum-type blender, spiral agitator etc., control the rotating speed of rotary part (as shaft) in the mixed process, the powder that particle diameter is thin, proportion is lighter is kicked up in the too fast meeting of rotating speed, thereby aggravating working environment, influences the composition of product.Concrete rotating speed will be decided on the type of blender, but is advisable with the dust of avoiding kicking up.
Mixed powder is filled in the mould of desirable shape, and with its compacting, pressure generally is not more than 2MPa by pressurization, and adapts with the material of mould therefor; Mould can be by aluminium, cast iron, steel or any suitable material manufacturing that can bear relevant pressure, can sustain temperature more than 400 ℃.Can be in the mould inner surface release agent application, that can select silicone oil, aluminium foil or any other for use can be adsorbed onto commercially available releasing agent on the filter medium hardly.
In the present invention, the consumption of ultra-high molecular weight polyethylene and the particle diameter of powder are optimized, both guaranteed the filter effect of filter medium, can obtain rational water flow again.
The present invention also provides following technical scheme: prepare filter medium with above-mentioned method, this filter medium is used for filter core; Filter medium and filter core are used for removing the water volatile phenol.
With respect to prior art, the invention has the advantages that the filter medium of preparation and filter core except can purifying water, also can also be used for removing the volatile phenol of drinking water, have efficient, non-secondary pollution, advantage such as with low cost.
The specific embodiment
For further understanding technical characterictic of the present invention and content, the preparation of filter core is elaborated below in conjunction with embodiment.
Embodiment 1
Take by weighing particle diameter and be medical activated carbon 20 grams between 74～250 microns, molecular weight is 3,500,000 ultra-high molecular weight polyethylene 100 grams, attapulgite powder 20 grams, putting into mechanical agitator stirs, take out part and be packed in the tubular die, under the 0.6MPa hydraulic pressure, suppress, at 240 ℃ of sintering temperatures after 90 minutes, be cooled to 40 ℃ of demouldings, can become the tubulose filter core of many minute apertures.
Embodiment 2
Take by weighing particle diameter and be medical activated carbon 200 grams between 38～100 microns, molecular weight is 2,500,000 ultra-high molecular weight polyethylene 500 grams, attapulgite powder 20 grams, putting into mechanical agitator stirs, take out part and be packed in the tubular die, under the 0.9MPa hydraulic pressure, suppress, at 230 ℃ of sintering temperatures after 120 minutes, be cooled to 40 ℃ of demouldings, can become the tubulose filter core of many minute apertures.
Embodiment 3
Take by weighing particle diameter and be medical activated carbon 80 grams between 38～100 microns, molecular weight is 4,000,000 ultra-high molecular weight polyethylene 240 grams, attapulgite powder 30 grams, putting into mechanical agitator stirs, take out part and be packed in the tubular die, under the 1.0MPa hydraulic pressure, suppress, at 280 ℃ of sintering temperatures after 60 minutes, be cooled to 60 ℃ of demouldings, can become the tubulose filter core of many minute apertures.
Embodiment 4
Take by weighing particle diameter and be medical activated carbon 100 grams between 74～150 microns, molecular weight is 4,000,000 ultra-high molecular weight polyethylene 180 grams, attapulgite powder 20 grams, putting into mechanical agitator stirs, take out part and be packed in the tubular die, under the 0.5MPa hydraulic pressure, suppress, at 180 ℃ of sintering temperatures after 240 minutes, be cooled to the room temperature demoulding, can become the tubulose filter core of many minute apertures.
Above-mentioned filter core is placed the plastic casing of corresponding size respectively, carry out filtration experiment.Make contain respectively 0.02 micrograms per litre the phenol and the water of metacresol filter through the filter that above-mentioned filter core is housed, (GB7491-87) detects according to national standard, testing result such as following table (table 1), wherein the unit of the clearance of phenol is a mass percent.
Table 1
| Phenol | Metacresol | |
| Embodiment 1 embodiment 2 embodiment 3 embodiment 4 | 93.3 96.5 98.6 94.2 | 93.1 95.1 97.8 95.5 |
More than filter medium provided by the present invention and preparation method thereof and the filter core made by this filter medium are described in detail, and used specific embodiment principle of the present invention and embodiment set forth.For one of ordinary skill in the art, in the specific embodiment and the range of application part that may change in implementation process, the content of this specification should not be construed as limitation of the present invention according to thought of the present invention.
Claims (10)
1, a kind of preparation method of filter medium comprises that with mass ratio be ultra-high molecular weight polyethylene: active carbon: attapulgite powder=5～25: 1～10: 1 raw material mixes, in mould, suppress, and then at 150～400 ℃ of sintering temperatures, cooling.
2, preparation method as claimed in claim 1, wherein sintering temperature is 180～280 ℃, sintering time is no less than 60 minutes.
3, preparation method as claimed in claim 1, wherein the active attapulgite stone flour of attapulgite powder for handling through acid activation.
4, preparation method as claimed in claim 1, wherein the molecular weight of ultra-high molecular weight polyethylene is 250～4,000,000.
5, preparation method as claimed in claim 4, wherein the particle diameter of ultra-high molecular weight polyethylene is 89～420 microns.
6, preparation method as claimed in claim 1, wherein active carbon is that particle diameter is 38～250 microns a medical activated carbon.
7, the filter medium that obtains according to each described preparation method in the claim 1 to 6.
8, use the filter core of the described filter medium of claim 7.
9, use the described filter medium of claim 7 to remove the method for volatile phenol in the water.
10, use the described filter core of claim 8 to remove the method for volatile phenol in the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710137647 CN101081344A (en) | 2007-07-31 | 2007-07-31 | Filter media for removing volatile phenol in water and method for making same and filter element using said filter media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710137647 CN101081344A (en) | 2007-07-31 | 2007-07-31 | Filter media for removing volatile phenol in water and method for making same and filter element using said filter media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101081344A true CN101081344A (en) | 2007-12-05 |
Family
ID=38911265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710137647 Pending CN101081344A (en) | 2007-07-31 | 2007-07-31 | Filter media for removing volatile phenol in water and method for making same and filter element using said filter media |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101081344A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101822923A (en) * | 2010-04-29 | 2010-09-08 | 奇迪电器集团有限公司 | Filter medium for removing chloroacetamide in drinking water and preparation method thereof |
| CN101890276A (en) * | 2010-08-04 | 2010-11-24 | 东莞市广益食品添加剂实业有限公司 | Drying agent for removing humidity and odor, and preparation method thereof |
| CN101628226B (en) * | 2008-07-15 | 2011-04-27 | 周奇迪 | Filter medium for removing pesticide in water and preparation method thereof |
| CN101628231B (en) * | 2008-07-15 | 2011-04-27 | 周奇迪 | Filter medium for removing giardia and cryptosporidium in water and preparation method thereof |
| CN101569856B (en) * | 2008-04-30 | 2011-06-01 | 周奇迪 | Filtering medium for removing metallic lead in water and preparation method thereof |
| CN103007631A (en) * | 2011-09-27 | 2013-04-03 | 徐立农 | Composite fiber filter material and production process thereof |
| CN104014199A (en) * | 2014-06-24 | 2014-09-03 | 潘峰 | Filtering medium for removing phenol from drinking water, filtering element and preparation method |
| CN104014318A (en) * | 2014-05-28 | 2014-09-03 | 潘峰 | Filtering medium applied to remove naproxen in drinking water, filter core and preparation method |
| CN104021833A (en) * | 2014-05-28 | 2014-09-03 | 潘峰 | Filter medium and filter element for removing radioactive uranium in drinking water and preparing method of filter medium |
| CN106824054A (en) * | 2017-01-23 | 2017-06-13 | 福建海西滤水龙头研究中心有限公司 | A kind of absorbent-type deodorization and sterilization filtration core and preparation method thereof |
| CN112516686A (en) * | 2020-12-30 | 2021-03-19 | 天津阳光新线科技发展有限公司 | Emergency drinking water filtering carbon rod filter element and preparation method thereof |
| CN113475364A (en) * | 2021-07-08 | 2021-10-08 | 中国一冶集团有限公司 | Buried rainwater collecting and irrigating system and method |
-
2007
- 2007-07-31 CN CN 200710137647 patent/CN101081344A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569856B (en) * | 2008-04-30 | 2011-06-01 | 周奇迪 | Filtering medium for removing metallic lead in water and preparation method thereof |
| CN101628226B (en) * | 2008-07-15 | 2011-04-27 | 周奇迪 | Filter medium for removing pesticide in water and preparation method thereof |
| CN101628231B (en) * | 2008-07-15 | 2011-04-27 | 周奇迪 | Filter medium for removing giardia and cryptosporidium in water and preparation method thereof |
| CN101822923A (en) * | 2010-04-29 | 2010-09-08 | 奇迪电器集团有限公司 | Filter medium for removing chloroacetamide in drinking water and preparation method thereof |
| CN101822923B (en) * | 2010-04-29 | 2011-12-07 | 奇迪电器集团有限公司 | Filter medium for removing chloroacetamide in drinking water and preparation method thereof |
| CN101890276A (en) * | 2010-08-04 | 2010-11-24 | 东莞市广益食品添加剂实业有限公司 | Drying agent for removing humidity and odor, and preparation method thereof |
| CN103007631A (en) * | 2011-09-27 | 2013-04-03 | 徐立农 | Composite fiber filter material and production process 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 |
| CN104021833A (en) * | 2014-05-28 | 2014-09-03 | 潘峰 | Filter medium and filter element for removing radioactive uranium in drinking water and preparing method of filter medium |
| CN104014318B (en) * | 2014-05-28 | 2017-01-11 | 潘峰 | Filtering medium applied to remove naproxen in drinking water, filter core and preparation method |
| CN104021833B (en) * | 2014-05-28 | 2017-04-19 | 潘峰 | Filter medium and filter element for removing radioactive uranium in drinking water and preparing method of filter medium |
| CN104014199A (en) * | 2014-06-24 | 2014-09-03 | 潘峰 | Filtering medium for removing phenol from drinking water, filtering element and preparation method |
| CN104014199B (en) * | 2014-06-24 | 2016-03-23 | 潘峰 | For removing the filter medium of phenol in drinking water, filter core and preparation method |
| CN106824054A (en) * | 2017-01-23 | 2017-06-13 | 福建海西滤水龙头研究中心有限公司 | A kind of absorbent-type deodorization and sterilization filtration core and preparation method thereof |
| CN112516686A (en) * | 2020-12-30 | 2021-03-19 | 天津阳光新线科技发展有限公司 | Emergency drinking water filtering carbon rod filter element and preparation method thereof |
| CN113475364A (en) * | 2021-07-08 | 2021-10-08 | 中国一冶集团有限公司 | Buried rainwater collecting and irrigating system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101081344A (en) | Filter media for removing volatile phenol in water and method for making same and filter element using said filter media | |
| CN103588202B (en) | A kind of manufacture method of gac/tourmaline composite and obtained product thereof | |
| CN100581635C (en) | Filtration medium and preparation, filter element, purifier and drinking machine using the same | |
| CN106179216A (en) | The preparation method of a kind of Magnetic Activated hydro-thermal charcoal and application | |
| CN101628222B (en) | Filtering medium for removing micro radioactive substances in water and preparation method thereof | |
| 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 | |
| CN101898115B (en) | Filter medium, preparation method thereof, filter element and water purification device | |
| CN101637715B (en) | Filter medium for removing diethylstilbestrol in water and preparation method thereof | |
| KR101450078B1 (en) | A ceramic ball for a water purifier, a method for preparing the same, a water purifier comprising the same, and a method for purifying water using the same | |
| CN102294150B (en) | Filtering medium for removing TNT (2,4,6-trinitrotoluene) from drinking water and preparation method thereof | |
| CN101138689A (en) | Filtration medium for eliminating ammonia nitrogen in water and method of preparing the same and filter element formed by said filtration medium | |
| CN101306348A (en) | Filtration medium for removing water color, foreign flavor and colloid substances and its preparation method | |
| CN104667632B (en) | Filtering medium for removing lead in drinking water, filter core and preparation method | |
| CN101844006B (en) | Filter medium and preparation method thereof, filter element, water purification device and water dispenser | |
| CN105692845B (en) | A kind of preparation method of the natural coagulant of pomelo peel | |
| CN104014199B (en) | For removing the filter medium of phenol in drinking water, filter core and preparation method | |
| CN100400139C (en) | Nano-crystallite composite filtering material and preparation method thereof | |
| JP2007015885A (en) | Spherical activated carbon and method for producing the same | |
| CN108771965A (en) | A kind of graphene composite filter material and preparation method thereof | |
| CN105645992B (en) | It is a kind of to prepare compound vermiculite deposit substance filtrate using discarded warm paste | |
| KR20090106685A (en) | Product for purifying of water quality and removal ofharmful aigal blooms | |
| KR100623283B1 (en) | Method for producing a perforated block using clay | |
| CN101683578B (en) | Filtration medium for preparing drinking water with biological stability and preparation method thereof | |
| CN107158798A (en) | One kind removes DEHP filter mediums, filter core and preparation method in drinking water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20071205 |