CN102500159A - Preparation method for deep filter medium with adsorption and ion exchange filter characteristics - Google Patents
Preparation method for deep filter medium with adsorption and ion exchange filter characteristics Download PDFInfo
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- CN102500159A CN102500159A CN2011103847406A CN201110384740A CN102500159A CN 102500159 A CN102500159 A CN 102500159A CN 2011103847406 A CN2011103847406 A CN 2011103847406A CN 201110384740 A CN201110384740 A CN 201110384740A CN 102500159 A CN102500159 A CN 102500159A
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Abstract
The invention relates to a preparation method for a deep filter medium with adsorption and ion exchange filter characteristics. The preparation method for the deep filter medium with the adsorption and ion exchange filter characteristics is characterized by comprising the following process steps of: firstly, mixing a fine fiber with particle matters, adding a liquid adhesive and a solvent, and mixing to prepare a mixture; secondly, pouring the mixture into a shallow slot to form a slurry-casting layer E1 in the shallow slot; thirdly, repeating the first step and the second step to orderly obtain slurry-casting layers E2-E10, wherein the slurry-casting layers E1-E10 have the gradually reducing particle sizes from bottom to top and the gradient-dependent reducing apertures within an interval of 100 microns-20 nanometers, the bottom of the shallow slot is connected with a vacuum pump through a metal tube and the vacuum pump is used for discharging water or solvent in the slurry-casting layers from the metal tube at the bottom of the shallow slot; and fourthly, drying the shallow slot in an oven and extracting solid from the dried shallow slot to obtain the deep filter medium. The deep filter medium prepared with the method disclosed by the invention has the advantages of capability of achieving the efficient separation purpose, high porosity, uniformly distributed apertures and needed compressive strength.
Description
Technical field
The present invention relates to a kind of preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature, especially a kind of water treatment, bio-pharmaceuticals and chemical industry etc. of being mainly used in are that filter liquide, oil phase are the filter medium that filter liquide and gas phase filtration field close with the water.
Background technology
Filter two kinds of cake filtration and in-depth filtrations are generally arranged.Effectively removal realizes the selectivity and the high efficiency of filtering to in-depth filtration easily through the inner duct surface adsorption of porous filter medium owing to be filtered material.
To water is that filter liquide, oil phase are that filter must be held back the suspended material that exists in the filter material effectively, and makes filtrating or gas pass through filter under three kinds of filtration situation of filter liquide and gas phase filtration.Moreover, filter is also wanted to hold back " harmful substance " that is dissolved in liquid or the gas effectively, and filtered fluid or gas pass through filter smoothly.
So filter medium must have one or more functions in selective absorption, ion-exchange and the membrane filtration function.Required selective absorption has comprised that physics is selected and chemistry is selected, and it is to accomplish through physically screening and physical absorption that physics is selected.Ion-exchange is to accomplish through ion exchange resin.Membrane filtration is to realize through porous ultrafiltration or micro-filtration.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art, a kind of preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature is provided, obtain having the filter medium of high porosity and uniform pore-size distribution.
According to technical scheme provided by the invention, said preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature, characteristic is that the component ratio is counted by weight, comprises following processing step:
(1) 2 ~ 60 parts of slight fibers and 10 ~ 95 parts of particulate matters are fully mixed, add 5 ~ 30 portions of liquid adhesives then, 0 ~ 30 part of solvent mixes under 5 ~ 60 ℃ temperature conditions, makes mixture; Said particulate matter is absorbability particle or ion exchange resin;
(2) mixture is poured in the shallow slot, with scraper mixture is wipeed off, in shallow slot, form and water slurry layer E1, the said thickness that waters slurry layer E1 is 0.1 ~ 10 millimeter;
(3) repeating step (1) ~ (2); Number of repetition is i time, and i is 1 ~ 9 integer, obtains watering slurry layer E2 ~ E10 successively; The particle diameter that waters slurry layer E1 is 1 ~ 500 μ m; The aperture of watering slurry layer E10 is 0.5 ~ 100 μ m, said water slurry layer E1 ~ E10 from the bottom up grain diameter reduce successively, water the aperture of slurry layer E1 ~ E10 and between 20nm ~ 100 μ m, successively decrease successively in gradient; Said watering among slurry layer E1 ~ E10, one deck waters in the slurry layer and contains ion-exchange resin particles at least, and one deck waters in the slurry layer and contains absorbability particle at least; The bottom of said shallow slot is connected with vavuum pump through metal tube, drains from the metal tube of shallow slot bottom with water or solvent that vavuum pump will water in the slurry layer, and said vacuum is 1 ~ 90KPa, and the time that vacuumizes is 0.5 ~ 8 hour;
(4) shallow slot is put into baking oven and dry, oven temperature is 30 ~ 100 ℃, and the time is 0.5 ~ 40 hour; Solid is deviate from the oven dry back from shallow slot, promptly obtain described filter medium.
Said slight fiber is biological fiber, Polymer Synthesizing fiber, inorfil or wire; Said biological fiber is paper pulp fiber, cotton fiber, flaxen fiber or silk fiber; Said Polymer Synthesizing fiber is polyester fiber, polyurethane fiber, nylon fiber, acetate fiber, polysulfone fibre, polyethylene fibre or polypropylene fibre; Said inorfil is asbestos, glass fibre or carbon fiber; Said wire is copper wire, iron wire or stainless steel wire.
Said absorbability particle is quartz sand, manganese sand, active carbon, diatomite, modified meerschaum, bentonite, Bio-sil, zeolite, activated alumina, attapulgite, inorganic nano material, montmorillonite or shitosan; Said inorganic nano material is nano-carbon material, nano titanium oxide, nano cuprous oxide, nanometer metallic silver, supported nanometer metallic sliver or nano magnesia.
Said liquid adhesive is the amino resin binder of liquid epoxies adhesive, liquid polyurethane adhesive, liquid unsaturated polyester resin adhesive, liquid phenolic resin adhesive or liquid.
Said solvent is organic solvent or water, and said organic solvent is methyl alcohol, ethanol, propyl alcohol, acetone, methyl acetate or ethyl acetate.
Said ion exchange resin is cationic exchanger resin, anion exchange resin or the mixture of the two.
The height of said shallow slot is 2 ~ 100mm.
The diameter of said slight fiber is 0.01 ~ 0.1mm, and length is 1 ~ 500mm.
The particle diameter of said particulate matter is 0.01 ~ 1mm.
The present invention can reach the purpose of high efficiency separation, and filter medium has high porosity and uniform pore-size distribution, possesses required compressive property; The material that the present invention adopted has functions such as selective absorption, ion-exchange and membrane filtration, can remove suspension, harmful ion, dissolubility harmful substance effectively, reaches separating effect efficiently.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further.
The method that reaches separation function with Physical Mechanism is many-sided.The material that the present invention adopted is fiber, solid particle and nano material etc.Spendable fiber type is a lot, and biology cellulose commonly used such as paper pulp, cloth, silk all can be used for filter medium.Operable chemical fibre, comprising the fiber of all available macromolecular materials, its macromolecular material comprises high molecular synthetic materials such as polyester, Polyurethane, nylon, acetate fiber, polysulfones, polyethylene, PP type.Must be pointed out that the used macromolecular material of the present invention is considerably beyond above-mentioned several.Can use mineral-type materials making fiber and particle to comprise asbestos, potter's clay, glass fibre and metal material etc.In a word, these organic and inorganic material are able to machine-shaping and make the filter medium that has hole.The formation of hole is to produce through fiber or particle packing, for the deep layer physical absorption provides enough big adsorption area.Separate purpose efficiently in order to reach, the filter medium of filter must reach high porosity and uniform pore-size distribution, also must possess required compressive property.In order to reach separating effect efficiently, the material that the present invention adopted has also comprised nanofiber and nano particle, and porous material comprises potter's clay, molecular sieve, diatomite, active carbon etc.Prepared filter has very high porosity and physical absorption surface area, can remove suspension, dissolubility harmful substance effectively.Can process the mixture that contains different solids according to different prescriptions, the mixture that wherein fibre-bearing is many, particle diameter is big is processed the in-depth filtration medium of larger aperture.On the contrary, contain less fiber and make the less in-depth filtration medium in aperture when mixture than granule.
Ion-exchange mechanism is to remove cation and anion in the liquid through ion exchange resin.The present invention is the in-depth filtration medium that has selective absorption and ion exchanging function through the preparation of sorptive material and ion exchange resin, when reaching suspension in the filter liquide, dissolubility harmful substance, and the also purpose of filtering noxious ion.Ion exchange resin of the present invention comprises cationic exchanger resin and anion exchange resin; Ion exchange functional groups can be one or more in primary amine, secondary amine and the tertiary amine group of amine, also can be in sulfonic acid, phosphoric acid and the carbonic acid group one or more.
Inorganic nano material used in the present invention comprises nano-carbon material, nano titanium oxide, nano cuprous oxide, nanometer metallic silver, supported nanometer metallic sliver or nano magnesia.
Embodiment one: a kind of preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature comprises following processing step:
(1) be 0.01mm with the 2g diameter, length is that the nylon fiber of 20mm and quartz sand that the 30g particle diameter is 0.5mm fully mix, and adds 5g liquid epoxies adhesive, 2g water then, under 15 ℃ temperature conditions, mixes, and makes mixture E 1;
(2) be 0.01mm with the 2g diameter, length is that the glass fibre of 10mm and active carbon that the 10g particle diameter is 0.1mm fully mix, and adds 5g liquid epoxies adhesive, 2g water then, under 15 ℃ temperature conditions, mixes, and makes mixture E 2;
(3) be 0. 02mm with the 3g diameter; Length is that the polyester fiber of 15mm and macropore strong acid styrene cationic ion-exchange resin that the 12g particle diameter is 0.02mm fully mix; Add 6g liquid unsaturated polyester ester adhesive, 3g methyl alcohol then; Under 20 ℃ temperature conditions, mix, make mixture E 3;
(4) be 0. 02mm with the 3g diameter; Length is that the polyester fiber of 15mm and strong basicity quaternary ammonium type anion exchange resin that the 12g particle diameter is 0.02mm fully mix; Add 6g liquid unsaturated polyester ester adhesive, 3g methyl alcohol then, under 20 ℃ temperature conditions, mix, make mixture E 4;
(5) be 0.04mm with the 4g diameter, length is that the fiber of 4mm and nano titanium oxide that the 14g particle diameter is 100nm fully mix, and adds 8g liquid epoxies adhesive, 4g ethanol then, under 22 ℃ temperature conditions, mixes, and makes mixture E 5;
(6) mixture E 1 that step (1) is obtained is poured in the shallow slot; With scraper mixture is wipeed off, in shallow slot, formed and water slurry layer E1, again by identical method; Distribution is poured the mixture that step (2) ~ step (5) obtains in the shallow slot into, distributes to form to water slurry layer E1 ~ E5; The bottom of said shallow slot is connected with vavuum pump through metal tube, drains from the metal tube of shallow slot bottom with solvent and water that vavuum pump will water in the slurry layer, and said vacuum is 30KPa, and the time that vacuumizes is 4 hours;
(7) shallow slot is put into baking oven and dry, oven temperature is 60 ℃, and the time is 15 hours; Solid is deviate from the oven dry back from shallow slot, promptly obtain described filter medium.
Embodiment two: a kind of preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature comprises following processing step:
(1) be 0.05mm with the 3g diameter, length is that the glass fibre of 20mm and manganese sand that the 20g particle diameter is 0.4mm fully mix, and adds 5g liquid phenolic resin adhesive, 2g water then, under 25 ℃ temperature conditions, mixes, and makes mixture E 1;
(2) be 0.03mm with the 2g diameter, length is that the polypropylene fibre of 10mm and active carbon that the 10g particle diameter is 0.1mm fully mix, and adds 5g liquid epoxies adhesive, 2g water then, under 25 ℃ temperature conditions, mixes, and makes mixture E 2;
(3) be 0. 02mm with the 3g diameter; Length is that the polyethylene fiber peacekeeping 16g particle diameter of 15mm is that carboxylic acid type cation exchange resin and the alkalescent acid/acrylic amide type anion exchange resin of 0.2mm is that the mixed resin that 1:1 forms fully mixes with the volume ratio; Add 10g liquid unsaturated polyester ester adhesive, 6g ethanol then; Under 25 ℃ temperature conditions, mix, make mixture E 3;
(4) mixture E 1 that step (1) is obtained is poured in the shallow slot; With scraper mixture is wipeed off, in shallow slot, formed and water slurry layer E1, again by identical method; The mixture that respectively step (2), step (3) is obtained is poured in the shallow slot, distributes to form to water slurry layer E2, E3.The bottom of said shallow slot is connected with vavuum pump through metal tube, drains from the metal tube of shallow slot bottom with solvent and water that vavuum pump will water in the slurry layer, and said vacuum is 60KPa, and the time that vacuumizes is 2 hours;
(5) shallow slot is put into baking oven and under vacuum condition, solidify, oven temperature is 60 ℃, and the time is 12 hours; Dryout the back and from shallow slot, deviate from solid, promptly obtain described filter medium.The gained filter medium has performances such as the suspension removed in the water body, organic matter, radioactive pollutant.
Claims (9)
1. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature is characterized in that the component ratio is counted by weight, comprises following processing step:
(1) 2 ~ 60 parts of slight fibers and 10 ~ 95 parts of particulate matters are fully mixed, add 5 ~ 30 portions of liquid adhesives then, 0 ~ 30 part of solvent mixes under 5 ~ 60 ℃ temperature conditions, makes mixture; Said particulate matter is absorbability particle or ion exchange resin;
(2) mixture is poured in the shallow slot, with scraper mixture is wipeed off, in shallow slot, form and water slurry layer E1, the said thickness that waters slurry layer E1 is 0.1 ~ 10 millimeter;
(3) repeating step (1) ~ (2); Number of repetition is i time, and i is 1 ~ 9 integer, obtains watering slurry layer E2 ~ E10 successively; The particle diameter that waters slurry layer E1 is 1 ~ 500 μ m; The aperture of watering slurry layer E10 is 0.5 ~ 100 μ m, said water slurry layer E1 ~ E10 from the bottom up grain diameter reduce successively, water the aperture of slurry layer E1 ~ E10 and between 20nm ~ 100 μ m, successively decrease successively in gradient; Said watering among slurry layer E1 ~ E10, one deck waters in the slurry layer and contains ion-exchange resin particles at least, and one deck waters in the slurry layer and contains absorbability particle at least; The bottom of said shallow slot is connected with vavuum pump through metal tube, drains from the metal tube of shallow slot bottom with water or solvent that vavuum pump will water in the slurry layer, and said vacuum is 1 ~ 90KPa, and the time that vacuumizes is 0.5 ~ 8 hour;
(4) shallow slot is put into baking oven and dry, oven temperature is 30 ~ 100 ℃, and the time is 0.5 ~ 40 hour; Solid is deviate from the oven dry back from shallow slot, promptly obtain described filter medium.
2. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1 is characterized in that said slight fiber is biological fiber, Polymer Synthesizing fiber, inorfil or wire; Said biological fiber is paper pulp fiber, cotton fiber, flaxen fiber or silk fiber; Said Polymer Synthesizing fiber is polyester fiber, polyurethane fiber, nylon fiber, acetate fiber, polysulfone fibre, polyethylene fibre or polypropylene fibre; Said inorfil is asbestos, glass fibre or carbon fiber; Said wire is copper wire, iron wire or stainless steel wire.
3. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1; It is characterized in that said absorbability particle is quartz sand, manganese sand, active carbon, diatomite, modified meerschaum, bentonite, Bio-sil, zeolite, activated alumina, attapulgite, inorganic nano material, montmorillonite or shitosan; Said inorganic nano material is nano-carbon material, nano titanium oxide, nano cuprous oxide, nanometer metallic silver, supported nanometer metallic sliver or nano magnesia.
4. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1; It is characterized in that said liquid adhesive is the amino resin binder of liquid epoxies adhesive, liquid polyurethane adhesive, liquid unsaturated polyester resin adhesive, liquid phenolic resin adhesive or liquid.
5. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1 is characterized in that said ion exchange resin is cationic exchanger resin, anion exchange resin or the mixture of the two.
6. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1; It is characterized in that; Said solvent is organic solvent or water, and said organic solvent is methyl alcohol, ethanol, propyl alcohol, acetone, methyl acetate or ethyl acetate.
7. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1 is characterized in that the particle diameter of said particulate matter is 0.01 ~ 1mm.
8. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1 is characterized in that the height of said shallow slot is 2 ~ 100mm.
9. the preparation method with in-depth filtration medium of absorption and ion-exchange filtering feature as claimed in claim 1 is characterized in that the diameter of said slight fiber is 0.0001 ~ 0.1mm, and length is 1 ~ 200mm.
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| CN201110384740.6A CN102500159B (en) | 2011-11-29 | 2011-11-29 | Preparation method for deep filter medium with adsorption and ion exchange filter characteristics |
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| CN201110384740.6A CN102500159B (en) | 2011-11-29 | 2011-11-29 | Preparation method for deep filter medium with adsorption and ion exchange filter characteristics |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894139A (en) * | 2014-02-18 | 2014-07-02 | 燕山大学 | Preparation method of carrying type laminated hydroxyl magnesium oxide composite material |
| CN104190159A (en) * | 2014-08-27 | 2014-12-10 | 江苏永尚能源科技有限公司 | Preparation method of filter material for filtering |
| CN104194268A (en) * | 2014-08-27 | 2014-12-10 | 江苏永尚能源科技有限公司 | Filter material |
| CN106076439A (en) * | 2016-06-27 | 2016-11-09 | 安徽金联地矿科技有限公司 | A kind of Weak-alkaline ion exchange fibre preparation method based on attapulgite |
| CN106111095A (en) * | 2016-06-27 | 2016-11-16 | 安徽金联地矿科技有限公司 | A kind of preparation method of novel attapulgite powder compound ion exchange fiber aeroge |
| CN106731216A (en) * | 2017-01-23 | 2017-05-31 | 福建海西滤水龙头研究中心有限公司 | A kind of Multifunctional water purification filter core and preparation method thereof |
| CN108671744A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of anion formaldehyde catalytic purification agent |
| CN108671966A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of anion formaldehyde catalytic purification agent |
| CN108676374A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of the cellular plastic of catalytic degradation formaldehyde |
| CN111227701A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Environment-friendly closestool |
| CN111227684A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Manufacturing method of environment-friendly bathroom cabinet |
| CN111227683A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Environment-friendly bathroom cabinet |
| CN111227688A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Environment-friendly bathtub |
| CN112969912A (en) * | 2018-10-24 | 2021-06-15 | 美国富士电子材料股份有限公司 | Chemical liquid manufacturing apparatus and method of manufacturing chemical liquid |
| CN114502511A (en) * | 2019-07-01 | 2022-05-13 | K·麦凯布 | Device for removing fat, oil and/or grease (FOG) from water |
| CN115869918A (en) * | 2022-12-01 | 2023-03-31 | 乳源东阳光优艾希杰精箔有限公司 | 1-series pure aluminum foil rolling oil filter aid and application thereof |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894139A (en) * | 2014-02-18 | 2014-07-02 | 燕山大学 | Preparation method of carrying type laminated hydroxyl magnesium oxide composite material |
| CN103894139B (en) * | 2014-02-18 | 2016-05-04 | 燕山大学 | The preparation method of loaded stratiform hydroxyl oxidize magnesium base composite material |
| CN104190159A (en) * | 2014-08-27 | 2014-12-10 | 江苏永尚能源科技有限公司 | Preparation method of filter material for filtering |
| CN104194268A (en) * | 2014-08-27 | 2014-12-10 | 江苏永尚能源科技有限公司 | Filter material |
| CN106076439A (en) * | 2016-06-27 | 2016-11-09 | 安徽金联地矿科技有限公司 | A kind of Weak-alkaline ion exchange fibre preparation method based on attapulgite |
| CN106111095A (en) * | 2016-06-27 | 2016-11-16 | 安徽金联地矿科技有限公司 | A kind of preparation method of novel attapulgite powder compound ion exchange fiber aeroge |
| CN106731216A (en) * | 2017-01-23 | 2017-05-31 | 福建海西滤水龙头研究中心有限公司 | A kind of Multifunctional water purification filter core and preparation method thereof |
| CN108671966A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of anion formaldehyde catalytic purification agent |
| CN108671744A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of anion formaldehyde catalytic purification agent |
| CN108676374A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of the cellular plastic of catalytic degradation formaldehyde |
| CN112969912A (en) * | 2018-10-24 | 2021-06-15 | 美国富士电子材料股份有限公司 | Chemical liquid manufacturing apparatus and method of manufacturing chemical liquid |
| CN111227701A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Environment-friendly closestool |
| CN111227684A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Manufacturing method of environment-friendly bathroom cabinet |
| CN111227683A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Environment-friendly bathroom cabinet |
| CN111227688A (en) * | 2018-11-29 | 2020-06-05 | 内蒙古东盛硅藻土科技创新产业园有限公司 | Environment-friendly bathtub |
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| CN114502511A (en) * | 2019-07-01 | 2022-05-13 | K·麦凯布 | Device for removing fat, oil and/or grease (FOG) from water |
| CN114502511B (en) * | 2019-07-01 | 2024-04-16 | K·麦凯布 | Device for removing fat, oil and/or grease (FOG) from water |
| CN115869918A (en) * | 2022-12-01 | 2023-03-31 | 乳源东阳光优艾希杰精箔有限公司 | 1-series pure aluminum foil rolling oil filter aid and application thereof |
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