CN106693885A - Production method of diatomite adsorption film for sewage treatment - Google Patents
Production method of diatomite adsorption film for sewage treatment Download PDFInfo
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- CN106693885A CN106693885A CN201611154967.0A CN201611154967A CN106693885A CN 106693885 A CN106693885 A CN 106693885A CN 201611154967 A CN201611154967 A CN 201611154967A CN 106693885 A CN106693885 A CN 106693885A
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- diatomite
- adsorption film
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- sewage disposal
- kieselguhr adsorption
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 239000010865 sewage Substances 0.000 title claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000005266 casting Methods 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000003837 high-temperature calcination Methods 0.000 claims abstract description 6
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 6
- 230000002101 lytic effect Effects 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000605 extraction Methods 0.000 claims description 11
- 230000004048 modification Effects 0.000 claims description 11
- 238000012986 modification Methods 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 210000002469 basement membrane Anatomy 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 6
- 239000004816 latex Substances 0.000 claims description 6
- 229920000126 latex Polymers 0.000 claims description 6
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 5
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- RLGQACBPNDBWTB-UHFFFAOYSA-N cetyltrimethylammonium ion Chemical compound CCCCCCCCCCCCCCCC[N+](C)(C)C RLGQACBPNDBWTB-UHFFFAOYSA-N 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 5
- 229920002401 polyacrylamide Polymers 0.000 claims description 5
- 229920000058 polyacrylate Polymers 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 5
- 238000013517 stratification Methods 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 210000000481 breast Anatomy 0.000 claims description 4
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 claims description 4
- 229960003431 cetrimonium Drugs 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 210000004379 membrane Anatomy 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000000227 grinding Methods 0.000 abstract 1
- 239000008400 supply water Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 238000004065 wastewater treatment Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004042 decolorization Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/041—Oxides or hydroxides
-
- 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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Dispersion Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a production method of a diatomite adsorption film for sewage treatment. The method comprises the following steps of 1, crushing diatomite raw ore into diatomite particles; 2, grinding the diatomite particles; 3, performing purification to obtain fine diatomite; 4, performing high-temperature calcination; 5, crushing the calcined fine diatomite; 6, adding a modifying agent into the fine diatomite powder; performing uniform stirring; performing heating for 1 to 2 hours at the temperature being 800 to 850 DEG C to obtain modified diatomite; 7, sufficiently and uniformly stirring the 100 to 120 mass parts of modified diatomite, 10 to 15 mass parts of pore-forming agents and 30 to 40 mass parts of dissolving agents to obtain film casting solution; 8, coating the film casting solution onto a non-woven fabric to obtain a base film; 9, putting the base film into a drying furnace; performing drying; obtaining the diatomite adsorption film. The production method provided by the invention has the advantages that the sewage treatment product can be produced; the micropollution supply water and sewage can be effectively treated; the diatomite raw ore is effectively utilized.
Description
Technical field
The present invention relates to a kind of production method of kieselguhr adsorption film, more particularly to a kind of sewage disposal kieselguhr adsorption
The production method of film.
Background technology
Diatomite is a kind of siliceous rock, and it is mainly made up of the remains of ancient times diatom, and its chemical composition is with SiO2For
It is main, SiO can be used2·nH2O represents that mineralogical composition is opal and its mutation.3.2 hundred million tons of China diatomite reserves, prospective reserves
Up to more than 20 hundred million tons, East China and the Northeast are concentrated mainly on, its is larger, because the impurity content in diatomite original ore is high,
Can not direct deep processing and utilization.
The content of the invention
The present invention provides a kind of production method of sewage disposal kieselguhr adsorption film, can production wastewater treatment product,
Product has the advantages that adsorption rate is high, is widely used, low cost, easily regeneration, and micro- pollution feedwater and sewage effectively can be located
Reason, is allowed to meet application requirement, simple production process, small scale, it is easy to popularization and application, production low cost, effective land productivity
With diatomite original ore.
In order to solve the above technical problems, the technical scheme is that：A kind of sewage disposal life of kieselguhr adsorption film
Product method, comprises the following steps,
Step one spontaneously dries diatomite original ore, weathering, and diatomite original ore then is ground into diatomite particle；
Be ground for diatomite particle by step 2, grinds to form the diatomite powder of 50~80 mesh；
Step 3 carries out diatomite powder to purify to obtain diatomite；
Diatomite is carried out high-temperature calcination by step 4；
Step 5 is crushed the diatomite after calcining, grinds to form the diatomite powder of 40~70 mesh；
Step 6 is according to adding 10~15 parts of modifying agent, stirring in the diatomite powder of every 100~120 parts of mass fraction
After uniform at a temperature of 800~850 DEG C, heating obtains modification infusorial earth in 1~2 hour；
Step 7 presses mass fraction by 100~120 modification infusorial earths, 10~15 parts of pore formers and 30~40 parts of lytic agent
Stir prepared casting solution；
After be coated in casting solution on non-woven fabrics by step 8, rushed using the water of 90~100 DEG C, the meter per second of flow velocity 0.3~0.5
Wash 1~1.5 hour and obtain basement membrane；
Be positioned over basement membrane in drying oven by step 9, and 1~3 hour prepared diatomite is dried in the environment of 105~135 DEG C
Adsorbed film.
Used as preferred technical scheme, be delivered to for the diatomite powder of step 2 by concretely comprising the following steps for the step 3
Extract in pond, according to 100 parts of diatomite powders of mass fraction, add 300~350 parts of water and 20~30 dispersant, fully
Stratification after stirring, the suspension on upper strata is isolated, and middle diatomite is separated, residual in the bottom for extracting pond
Shrink stone and quartzy compound.
As the improvement to above-mentioned technical proposal, in the step 3, after middle diatomite is separated, collect
The bottom residual ore and quartzy compound in pond are extracted, extraction pond is washed away in cleaning.
Used as the improvement to above-mentioned technical proposal, the step 4 is that 20~120 are calcined at a temperature of 800~1200 DEG C
Minute.
As the further improvement to above-mentioned technical proposal, modifying agent described in the step 6 be calcium carbonate, aluminum sulfate,
At least one in ferric trichloride and polyacrylamide.
Used as the further improvement to above-mentioned technical proposal, modifying agent described in the step 6 is cetyltrimethylammonium
At least one in amine and tetramethyl amine bromide.
Used as the further improvement to above-mentioned technical proposal, lytic agent described in the step 7 is butyl latex, fourth
At least one in fine latex and polyacrylate emulsion.
Used as the further improvement to above-mentioned technical proposal, the aperture of kieselguhr adsorption film is described in the step 9
0.05um~5um, the thickness of kieselguhr adsorption film is 5~20mm.
As the further improvement to above-mentioned technical proposal, in the step one, diatomite original ore is ground into diatom
After soil particle, selection by winnowing, the ore particles contained in removal diatomite particle are carried out to diatomite particle.
By adopting the above-described technical solution, the present invention can production wastewater treatment product, product have adsorption rate it is high, should
With extensive, low cost, the advantage of easily regeneration, micro- pollution feedwater and sewage can be effectively treated, be allowed to meet application requirement,
Simple production process, small scale, it is easy to popularization and application, production low cost, efficiently utilize diatomite original ore.
Brief description of the drawings
The following drawings is only intended to, in schematic illustration and explanation is done to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the technological process of production block diagram of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only by explanation
Mode describes some one exemplary embodiments of the invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As long as additionally, technical characteristic involved in invention described below each implementation method non-structure each other
Can be just mutually combined into conflict.
Embodiment one：As shown in figure 1, a kind of sewage disposal production method of kieselguhr adsorption film, comprises the following steps,
Step one spontaneously dries diatomite original ore, weathering, and diatomite original ore then is ground into diatomite particle；
Be ground for diatomite particle by step 2, grinds to form the diatomite powder of 50 mesh；
Step 3 carries out diatomite powder to purify to obtain diatomite；
Diatomite is carried out high-temperature calcination by step 4；
Step 5 is crushed the diatomite after calcining, grinds to form the diatomite powder of 40 mesh；
Step 6 according to adding 10 parts of modifying agent in the diatomite powder of every 100 parts of mass fraction, after stirring
At a temperature of 800 DEG C, heating obtains modification infusorial earth in 1 hour；
Step 7 is stirred 100 modification infusorial earths, 10 parts of pore formers and 30 parts of lytic agent by mass fraction
Casting solution is obtained；
After be coated in casting solution on non-woven fabrics by step 8, rinsed 1 hour using the water of 90 DEG C, the meter per second of flow velocity 0.3 and obtained
Basement membrane；
Be positioned over basement membrane in drying oven by step 9, and 1 hour prepared kieselguhr adsorption film is dried in the environment of 105 DEG C.
Concretely comprising the following steps for step 3, the diatomite powder of step 2 is delivered in extraction pond, according to mass fraction 100
Part diatomite powder, adds 300 parts of water and 20 dispersant, is sufficiently stirred for rear stratification, and the suspension on upper strata is separated
Go out, middle diatomite is separated, extracting the bottom residual ore and quartzy compound in pond.Above-mentioned process is simple,
Refining effect is good, can either obtain preferable diatomite, it is also possible to reduce production cost.
In step 3, after middle diatomite is separated, the bottom residual ore and quartz for collecting extraction pond are mixed
Material is closed, extraction pond is washed away in cleaning, and pond is extracted in cleaning in time, is convenient for purifying again, while avoid extracting in pond piling up excessive useless
Material, influences the effect of purification.
Step 4 is to be calcined 20 minutes at a temperature of 800 DEG C, and calcining can remove organic matter and volatilization in diatomite
Property material, be conducive to the diatomite of high-quality, be conducive to improving the mobility of diatomaceous granularity and filter liquid, by calcining
Diatomite, can effectively go water removal in bacterium.
Modifying agent is at least one in calcium carbonate, aluminum sulfate, ferric trichloride and polyacrylamide in step 6, by upper
State composition modifying agent it is modified, it is possible to increase adsorption capacity of the diatomite to heavy metal in sewage.
Step 6 modifying agent be cetrimonium bronmide and tetramethyl amine bromide at least one, by it is above-mentioned into
Point modifying agent it is modified, it is possible to increase diatomite greatly improves percent of decolourization to the decolouring efficiency of sewage.
Lytic agent is at least one in butyl latex, butadiene acrylonitrile rubber breast and polyacrylate emulsion in step 7, and lytic agent has
Beneficial to casting film.
The aperture of kieselguhr adsorption film is 0.05um5um in step 9, and the thickness of kieselguhr adsorption film is 5mm.Diatomite
The voidage of adsorbed film is high, specific surface area is big, proportion is small, adsorptivity is strong.
In step one, after diatomite original ore is ground into diatomite particle, selection by winnowing is carried out to diatomite particle, remove diatom
The ore particles contained in soil particle, above-mentioned technique first can screen ore particles, further improve diatomaceous
Precision.
The present embodiment can production wastewater treatment product, product has that adsorption rate is high, is widely used, low cost, easily regeneration
Advantage, micro- pollution feedwater and sewage can be effectively treated, be allowed to meet application requirement, simple production process, small scale,
Application easy to spread, production low cost, efficiently utilizes diatomite original ore.
Embodiment two：As shown in figure 1, a kind of sewage disposal production method of kieselguhr adsorption film, comprises the following steps,
Step one spontaneously dries diatomite original ore, weathering, and diatomite original ore then is ground into diatomite particle；
Be ground for diatomite particle by step 2, grinds to form the diatomite powder of 80 mesh；
Step 3 carries out diatomite powder to purify to obtain diatomite；
Diatomite is carried out high-temperature calcination by step 4；
Step 5 is crushed the diatomite after calcining, grinds to form the diatomite powder of 70 mesh；
Step 6 according to adding 15 parts of modifying agent in the diatomite powder of every 120 parts of mass fraction, after stirring
At a temperature of 850 DEG C, heating obtains modification infusorial earth in 2 hours；
Step 7 is stirred 120 modification infusorial earths, 15 parts of pore formers and 40 parts of lytic agent by mass fraction
Casting solution is obtained；
After be coated in casting solution on non-woven fabrics by step 8, rinsed 1.5 hours using the water of 100 DEG C, the meter per second of flow velocity 0.5
Obtain basement membrane；
Be positioned over basement membrane in drying oven by step 9, and 3 hours prepared kieselguhr adsorption films are dried in the environment of 135 DEG C.
Concretely comprising the following steps for step 3, the diatomite powder of step 2 is delivered in extraction pond, according to mass fraction 100
Part diatomite powder, adds 350 parts of water and 30 dispersant, is sufficiently stirred for rear stratification, and the suspension on upper strata is separated
Go out, middle diatomite is separated, extracting the bottom residual ore and quartzy compound in pond.Above-mentioned process is simple,
Refining effect is good, can either obtain preferable diatomite, it is also possible to reduce production cost.
In step 3, after middle diatomite is separated, the bottom residual ore and quartz for collecting extraction pond are mixed
Material is closed, extraction pond is washed away in cleaning, and pond is extracted in cleaning in time, is convenient for purifying again, while avoid extracting in pond piling up excessive useless
Material, influences the effect of purification.
Step 4 is to be calcined 120 minutes at a temperature of 1200 DEG C, and calcining can remove the organic matter in diatomite and wave
Volatile material, is conducive to the diatomite of high-quality, is conducive to improving the mobility of diatomaceous granularity and filter liquid, by forging
The diatomite of burning, the bacterium that can effectively go in water removal.
Modifying agent is at least one in calcium carbonate, aluminum sulfate, ferric trichloride and polyacrylamide in step 6, by upper
State composition modifying agent it is modified, it is possible to increase adsorption capacity of the diatomite to heavy metal in sewage.
Step 6 modifying agent be cetrimonium bronmide and tetramethyl amine bromide at least one, by it is above-mentioned into
Point modifying agent it is modified, it is possible to increase diatomite greatly improves percent of decolourization to the decolouring efficiency of sewage.
Lytic agent is at least one in butyl latex, butadiene acrylonitrile rubber breast and polyacrylate emulsion in step 7, and lytic agent has
Beneficial to casting film.
The aperture of kieselguhr adsorption film is 5um in step 9, and the thickness of kieselguhr adsorption film is 20mm.Kieselguhr adsorption film
Voidage it is high, specific surface area is big, proportion is small, adsorptivity is strong.
In step one, after diatomite original ore is ground into diatomite particle, selection by winnowing is carried out to diatomite particle, remove diatom
The ore particles contained in soil particle, above-mentioned technique first can screen ore particles, further improve diatomaceous
Precision.
The present embodiment can production wastewater treatment product, product has that adsorption rate is high, is widely used, low cost, easily regeneration
Advantage, micro- pollution feedwater and sewage can be effectively treated, be allowed to meet application requirement, simple production process, small scale,
Application easy to spread, production low cost, efficiently utilizes diatomite original ore.
Embodiment three：As shown in figure 1, a kind of sewage disposal production method of kieselguhr adsorption film, comprises the following steps,
Step one spontaneously dries diatomite original ore, weathering, and diatomite original ore then is ground into diatomite particle；
Be ground for diatomite particle by step 2, grinds to form the diatomite powder of 70 mesh；
Step 3 carries out diatomite powder to purify to obtain diatomite；
Diatomite is carried out high-temperature calcination by step 4；
Step 5 is crushed the diatomite after calcining, grinds to form the diatomite powder of 65 mesh；
Step 6 according to adding 13 parts of modifying agent in the diatomite powder of every 110 parts of mass fraction, after stirring
At a temperature of 820 DEG C, heating obtains modification infusorial earth in 1.5 hours；
Step 7 is stirred 110 modification infusorial earths, 14 parts of pore formers and 35 parts of lytic agent by mass fraction
Casting solution is obtained；
After be coated in casting solution on non-woven fabrics by step 8, rinsed using the water of 95 DEG C, the meter per second of flow velocity 0.4 and obtained for 1.2 hours
Obtain basement membrane；
Be positioned over basement membrane in drying oven by step 9, and 2 hours prepared kieselguhr adsorption films are dried in the environment of 120 DEG C.
Concretely comprising the following steps for step 3, the diatomite powder of step 2 is delivered in extraction pond, according to mass fraction 100
Part diatomite powder, adds 320 parts of water and 25 dispersant, is sufficiently stirred for rear stratification, and the suspension on upper strata is separated
Go out, middle diatomite is separated, extracting the bottom residual ore and quartzy compound in pond.Above-mentioned process is simple,
Refining effect is good, can either obtain preferable diatomite, it is also possible to reduce production cost.
In step 3, after middle diatomite is separated, the bottom residual ore and quartz for collecting extraction pond are mixed
Material is closed, extraction pond is washed away in cleaning, and pond is extracted in cleaning in time, is convenient for purifying again, while avoid extracting in pond piling up excessive useless
Material, influences the effect of purification.
Step 4 is to be calcined 50 minutes at a temperature of 1100 DEG C, and calcining can remove organic matter and volatilization in diatomite
Property material, be conducive to the diatomite of high-quality, be conducive to improving the mobility of diatomaceous granularity and filter liquid, by calcining
Diatomite, can effectively go water removal in bacterium.
Modifying agent is at least one in calcium carbonate, aluminum sulfate, ferric trichloride and polyacrylamide in step 6, by upper
State composition modifying agent it is modified, it is possible to increase adsorption capacity of the diatomite to heavy metal in sewage.
Step 6 modifying agent be cetrimonium bronmide and tetramethyl amine bromide at least one, by it is above-mentioned into
Point modifying agent it is modified, it is possible to increase diatomite greatly improves percent of decolourization to the decolouring efficiency of sewage.
Lytic agent is at least one in butyl latex, butadiene acrylonitrile rubber breast and polyacrylate emulsion in step 7, and lytic agent has
Beneficial to casting film.
The aperture of kieselguhr adsorption film is 2um in step 9, and the thickness of kieselguhr adsorption film is 10m.Kieselguhr adsorption film
Voidage it is high, specific surface area is big, proportion is small, adsorptivity is strong.
In step one, after diatomite original ore is ground into diatomite particle, selection by winnowing is carried out to diatomite particle, remove diatom
The ore particles contained in soil particle, above-mentioned technique first can screen ore particles, further improve diatomaceous
Precision.
The present embodiment can production wastewater treatment product, product has that adsorption rate is high, is widely used, low cost, easily regeneration
Advantage, micro- pollution feedwater and sewage can be effectively treated, be allowed to meet application requirement, simple production process, small scale,
Application easy to spread, production low cost, efficiently utilizes diatomite original ore.
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (9)
1. a kind of sewage disposal production method of kieselguhr adsorption film, it is characterised in that comprise the following steps,
Step one spontaneously dries diatomite original ore, weathering, and diatomite original ore then is ground into diatomite particle；
Be ground for diatomite particle by step 2, grinds to form the diatomite powder of 50~80 mesh；
Step 3 carries out diatomite powder to purify to obtain diatomite；
Diatomite is carried out high-temperature calcination by step 4；
Step 5 is crushed the diatomite after calcining, grinds to form the diatomite powder of 40~70 mesh；
Step 6 is according to 10~15 parts of modifying agent are added in the diatomite powder of every 100~120 parts of mass fraction, stirring is equal
After even at a temperature of 800~850 DEG C, heating obtains modification infusorial earth in 1~2 hour；
Step 7 is filled 100~120 modification infusorial earths, 10~15 parts of pore formers and 30~40 parts of lytic agent by mass fraction
Divide the prepared casting solution that stirs；
After be coated in casting solution on non-woven fabrics by step 8,1 is rinsed using the water of 90~100 DEG C, the meter per second of flow velocity 0.3~0.5
Obtain basement membrane within~1.5 hours；
Be positioned over basement membrane in drying oven by step 9,1~3 hour prepared diatomite is dried in the environment of 105~135 DEG C and is inhaled
Membrane.
2. the sewage disposal as claimed in claim 1 production method of kieselguhr adsorption film, it is characterised in that the step 3
Concretely comprise the following steps, by the diatomite powder of step 2 be delivered to extraction pond in, according to 100 parts of diatomite powders of mass fraction,
300~350 parts of water and 20~30 dispersant is added, rear stratification is sufficiently stirred for, the suspension on upper strata is isolated, will
Middle diatomite is separated, and is extracting the bottom residual ore and quartzy compound in pond.
3. the sewage disposal as claimed in claim 2 production method of kieselguhr adsorption film, it is characterised in that the step 3
In, after middle diatomite is separated, the bottom residual ore and quartzy compound for extracting pond are collected, cleaning is washed away and is carried
Take pond.
4. the sewage disposal as claimed in claim 1 production method of kieselguhr adsorption film, it is characterised in that the step 4
It is to be calcined 20~120 minutes at a temperature of 800~1200 DEG C.
5. the sewage disposal as claimed in claim 1 production method of kieselguhr adsorption film, it is characterised in that the step 6
Described in modifying agent be calcium carbonate, aluminum sulfate, ferric trichloride and polyacrylamide at least one.
6. the sewage disposal as claimed in claim 1 production method of kieselguhr adsorption film, it is characterised in that the step 6
The modifying agent is at least one in cetrimonium bronmide and tetramethyl amine bromide.
7. the sewage disposal as claimed in claim 1 production method of kieselguhr adsorption film, it is characterised in that the step 7
Described in lytic agent be butyl latex, butadiene acrylonitrile rubber breast and polyacrylate emulsion at least one.
8. the production method of kieselguhr adsorption film of the sewage disposal as described in any one of claim 1 to 7, it is characterised in that
The aperture of kieselguhr adsorption film described in the step 9 is 0.05um~5um, and the thickness of kieselguhr adsorption film is 5~20mm.
9. the production method of kieselguhr adsorption film of the sewage disposal as described in any one of claim 1 to 7, it is characterised in that
In the step one, after diatomite original ore is ground into diatomite particle, selection by winnowing is carried out to diatomite particle, remove diatomite
The ore particles contained in grain.
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| CN107674531A (en) * | 2017-10-31 | 2018-02-09 | 倪佐才 | A kind of environmental protection coating material for timber and preparation method thereof |
| CN110080039A (en) * | 2019-04-26 | 2019-08-02 | 邱振权 | A kind of compound emulsifying agent and ASA sizing agent emulsion of ASA lotion |
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