CN108587265A - A kind of high activity functional form diatom ooze and preparation method thereof - Google Patents
A kind of high activity functional form diatom ooze and preparation method thereof Download PDFInfo
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/10—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances lime
- C09D1/12—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances lime with organic additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
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- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
- B01D2257/7025—Methane
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2257/7027—Aromatic hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2257/708—Volatile organic compounds V.O.C.'s
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- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/20—Capture or disposal of greenhouse gases of methane
Abstract
The invention discloses a kind of high activity functional form diatom oozes and preparation method thereof, by grinding, two three-level diatomite after acidleach carry out low temperature oxygen-free thermal activation treatment, it is combined with negative pressure load method using collosol and gel, it is prepared for tripolite loading nano zinc oxide composite photocatalyst material, improve the functional performance of diatom ooze, then by the diatomite base optic catalytic material and white cement of above-mentioned preparation, coarse whiting, talcum powder, sand, grey calcium, bentonite, polymer dispersion powder, polypropylene fibre, polyvinyl alcohol, antifoaming agent uniformly mixes, add water to stir into body of paste and is prepared into functional form diatom ooze.The problems such as high activity functional form diatom ooze in the present invention is high to the purification efficiency of room air, both solves picking, and durability is poor also ensures the diatomaceous reasonable utilization of two three-levels.
Description
Technical field
The present invention discloses a kind of high activity functional form diatom ooze and preparation method thereof, is related to a kind of for indoor high activity
Functional form diatom ooze and preparation method thereof belongs to indoor wall technical field of coatings.
Background technology
Problem of environmental pollution have become the whole society face with significant problem urgently to be resolved hurrily, with outdoor PM2.5 values
It is continuously increased, the indoor environment of a health environment-friendly is particularly important, currently, people study indoor air quality and environment energetically
Harmony, development function environmental protection become hot spot in the indoor air purification new material of one.Diatom ooze is with its safety and environmental protection, color
It is abundant, functional performance is good, it is decorative favored by consumers in general by force, by the end of in May, 2017, there is the diatom of brand in the country
Mud manufacturing enterprise is up to more than 500 families, but on the one hand entire diatom ooze industry does not account for the diatomaceous activity of functional stuffing and asks
Topic, most enterprises have lost the diatomite of pozzolanic activity for use as the diatomite of filter aid or using high-temperature calcination
Diatom ooze production is carried out, not only production cost is made to increase substantially, and cause the serious wasting of resources, two three-level diatomite do not have
It is effectively used.Also cause diatom ooze durability poor simultaneously, hardness is insufficient；On the other hand there is no explore new method to make
Photochemical catalyst and the progress of low-grade diatomite are compound, and the photocatalytic nanometer particle that most enterprises use is easy reunion, bad dispersibility,
Cannot preferably load causes to achieve the effect that degradation of contaminant over celite, often appears as to air purification effect
It is bad, do not reach the functional performance etc. publicized in the market.
Invention content
The present invention provides a kind of high activity functional form diatom oozes and preparation method thereof, are activated to low-grade diatomite
Processing makes photochemical catalyst be carried out with low-grade diatomite compound, prepares functional form diatom ooze, improve low-grade diatomaceous comprehensive
It closes and utilizes.
A kind of high activity functional form diatom ooze of the present invention, it is characterised in that mainly by following weight part ratio
Made of raw material：
Diatomite/nano zine oxide composite photocatalyst material（10-50 parts）, white cement（10-60 parts）, coarse whiting（10-60 parts）, it is sliding
Mountain flour（5-40 parts）, sand（10-100 parts）, grey calcium（10-50 parts）, bentonite（5-60 parts）, polymer dispersion powder（0.1-2 parts）、
Polypropylene fibre（0.1-2 parts）, polyvinyl alcohol（0.1-1 parts）.
The preparation method of a kind of high activity functional form diatom ooze of the present invention, it is characterised in that include the following steps：
1）The vitriol lixiviation 1-5h processing of two three-level diatomite of 100-200 mesh addition 30-80% is placed in high temperature furnace and is calcined,
Initial temperature is set as 50 DEG C, 5 DEG C/min of heating rate, anaerobic thermal activation treatment temperature is 300-800 DEG C, the thermal activation time
For 1-5h, it is cooled to room temperature to get to the diatomite after activation；
2）After mixing by the citric acid of the zinc nitrate of 15-25mol and 1mol, the distilled water of 100-500mol is added；By its
It stirs evenly, while instilling the absolute ethyl alcohol of 10-40mol slowly, then instill the ammonium hydroxide of 1-10mol slowly, be secondly added
The polyethylene glycol of 0.01-0.1mol after being then ultrasonically treated 40-80min, is placed in 60-100 DEG C of water temperature and carries out magnetic current stirring 1-
6h obtains suspension；Diatomite after activation is pressed 4 with suspension:1 molar ratio mixing.It is uniformly mixed, stands 1-8h, dry
Dry, grinding obtains diatomite/nano zine oxide composite photocatalyst material powder in high temperature furnace after 200-800 DEG C of calcining 2-8h
Body；
3）By step 2）Middle diatomite/nano zine oxide composite photocatalyst material（10-50 parts）With white cement（10-60 parts）, again
Calcium（10-60 parts）, talcum powder（5-40 parts）, sand（10-100 parts）, grey calcium（10-50 parts）, bentonite（5-60 parts）, dispersible breast
Rubber powder（0.1-2 parts）, polypropylene fibre（0.1-2 parts）, polyvinyl alcohol（0.1-1 parts）Mixing, according to turning for 300-900r/min
Speed is stirred, and is kept color stuffing evenly dispersed, is slowly added into water（40-100 parts）, antifoaming agent（0.01-0.05 parts）, according to
The rotating speed of 1000-3000r/min is stirred, and obtains stable uniformly mixed paste diatom ooze.
The present invention improves diatomaceous pozzolanic activity using low temperature oxygen-free thermal activation method, and being used as active blend can
Hydration reaction occurs with hydrated products such as cement, grey calcium in diatom ooze, improves durability, then negative pressure load method is used to prepare
Diatomite/nano zine oxide composite photocatalyst material realizes adsorption and enrichment using the synergistic effect of diatomite and nano zine oxide
Degradation harmful substance reaches the functional purpose such as purification.
The positive effect of the present invention is：By carrying out low temperature oxygen-free thermal activation to the diatomite after purification, by nano oxygen
Change zinc load on it, regulating and controlling effect on the one hand is played to diatomaceous aperture, more multi-stage porous is produced, is conducive to water
On the other hand the absorption of molecule and pollutant makes tripolite loading nano zinc oxide photocatalysis material pair using negative pressure load method
Pollutant can effectively degrade, and the diatom ooze durability not only prepared is high, functional performance is good, and improves low-grade silicon
The comprehensive utilization of diatomaceous earth.Not only fundamentally solve the diatomite used in diatom ooze do not have activity cause hardness deficiency picking,
The problems such as PARA FORMALDEHYDE PRILLS(91,95) absorption degradation rate is low, and ensure that low-grade diatomaceous reasonable utilization, resource are not wasted.
Specific implementation mode
Discussed below specific examples are only used to explain the present invention, does not limit the invention in any way, not
Under the premise of technical solution of the invention, those of ordinary skill in the art made for the present invention are easy to implement to be appointed
What, which is changed or changes, falls within scope of the presently claimed invention.
Embodiment 1
1）The vitriol lixiviation 3h processing of 150 mesh, two three-level diatomite addition 60% is placed in high temperature furnace, at anaerobic thermal activation
It is 600 DEG C to manage temperature, and the thermal activation time is 2h, is cooled to room temperature to get to the diatomite after activation；
2）After mixing by the citric acid of the zinc nitrate of 20mol and 1mol, the distilled water of 200mol is added.It is stirred for
It is even, while the absolute ethyl alcohol of 20mol is instilled slowly, then the ammonium hydroxide of 2mol is instilled slowly, the poly- second of 0.05mol is secondly added
Glycol after being then ultrasonically treated 60min, is placed on progress magnetic current stirring 5h in 80 DEG C of water temperatures and obtains suspension；By the silicon after activation
Diatomaceous earth presses 4 with suspension:1 molar ratio mixing.It is uniformly mixed, stands 1h, dry, grinding, 600 DEG C of calcining 2h in high temperature furnace
Afterwards, diatomite/nano zine oxide composite photocatalyst material powder is obtained；
3）By step 2）In obtained diatomite/nano zine oxide composite photocatalyst material 25kg and white cement 15kg, coarse whiting
20kg, talcum powder 10kg, sand 20kg, grey calcium 20kg, bentonite 10kg, 0.5 kg of polymer dispersion powder, polypropylene fibre 0.2
Kg, 0.3 kg of polyvinyl alcohol, are stirred according to the rotating speed of 500r/min, keep color stuffing evenly dispersed, be slowly added into water 80
Kg, 0.02 kg of antifoaming agent, is stirred according to the rotating speed of 2000r/min, obtains stable uniformly mixed paste diatom ooze.
Embodiment 2：
The embodiment selects diatomite in the market to prepare diatom ooze, is blank control group
1）Select diatomite general in the market（By 1000 DEG C or more of temperature calcination）As functional filler；
2）After mixing by the citric acid of the zinc nitrate of 25mol and 1mol, the distilled water of 230mol is added.It is stirred for
It is even, while the absolute ethyl alcohol of 30mol is instilled slowly, then the ammonium hydroxide of 5mol is instilled slowly, the poly- second of 0.03mol is secondly added
Glycol after being then ultrasonically treated 60min, is placed on progress magnetic current stirring 2h in 80 DEG C of water temperatures and obtains suspension；By the silicon after activation
Diatomaceous earth presses 6 with suspension:1 molar ratio mixing.It is uniformly mixed, stands 4h, dry, grinding, 600 DEG C of calcining 2h in high temperature furnace
Afterwards, diatomite/nano zine oxide composite photocatalyst material powder is obtained；
3）By step 2）In obtained diatomite/nano zine oxide composite photocatalyst material 25kg and white cement 15kg, coarse whiting
20kg, talcum powder 10kg, sand 20kg, grey calcium 20kg, bentonite 10kg, polymer dispersion powder 0.5kg, polypropylene fibre 0.2kg,
Polyvinyl alcohol 0.3kg is stirred according to the rotating speed of 500r/min, keeps color stuffing evenly dispersed, is slowly added into water 80kg, defoaming
Agent 0.02kg is stirred according to the rotating speed of 2000r/min, obtains stable uniformly mixed paste diatom ooze.
Embodiment 3：
The embodiment selects the diatomite of common law supported nano zinc oxide to prepare diatom ooze
1）The vitriol lixiviation 2h processing of 180 mesh, two three-level diatomite addition 40% is placed in high temperature furnace, at anaerobic thermal activation
It is 600 DEG C to manage temperature, and the thermal activation time is 2h, is cooled to room temperature to get to the diatomite after activation；
2）After mixing by the citric acid of the zinc nitrate of 25mol and 1mol, the distilled water of 280mol is added.It is stirred for
It is even, while the absolute ethyl alcohol of 40mol is instilled slowly, then the ammonium hydroxide of 3mol is instilled slowly, the poly- second of 0.05mol is secondly added
Glycol after being then ultrasonically treated 60min, is placed on progress magnetic current stirring 2h in 100 DEG C of water temperatures and obtains suspension；By the silicon after activation
Diatomaceous earth presses 5 with suspension:1 molar ratio mixing.It is uniformly mixed, stands 5h, dry, grinding, 600 DEG C of calcining 2h in high temperature furnace
Afterwards, diatomite/nano zine oxide composite photocatalyst material powder is obtained；
3）By step 2）In obtained diatomite/nano zine oxide composite photocatalyst material 30kg and white cement 15kg, coarse whiting
20kg, talcum powder 10kg, sand 30kg, grey calcium 20kg, bentonite 10kg, polymer dispersion powder 0.5kg, polypropylene fibre 0.2kg,
Polyvinyl alcohol 0.3kg is stirred according to the rotating speed of 500r/min, keeps color stuffing evenly dispersed, is slowly added into water 80kg, defoaming
Agent 0.02kg is stirred according to the rotating speed of 2500r/min, obtains stable uniformly mixed paste diatom ooze.
Embodiment 4：
1）The vitriol lixiviation 1h processing of 200 mesh, two three-level diatomite addition 80% is placed in high temperature furnace, at anaerobic thermal activation
It is 600 DEG C to manage temperature, and the thermal activation time is 2h, is cooled to room temperature to get to the diatomite after activation；
2）After mixing by the citric acid of the zinc nitrate of 35mol and 1mol, the distilled water of 350mol is added.It is stirred for
It is even, while the absolute ethyl alcohol of 20mol is instilled slowly, then the ammonium hydroxide of 5mol is instilled slowly, the poly- second of 0.08mol is secondly added
Glycol after being then ultrasonically treated 60min, is placed on progress magnetic current stirring 2h in 100 DEG C of water temperatures and obtains suspension；By the silicon after activation
Diatomaceous earth presses 5 with suspension:1 molar ratio mixing.It is uniformly mixed, stands 7h, dry, grinding, 600 DEG C of calcining 2h in high temperature furnace
Afterwards, diatomite/nano zine oxide composite photocatalyst material powder is obtained；
3）By step 2）In obtained diatomite/nano zine oxide composite photocatalyst material 15kg and white cement 15kg, coarse whiting
20kg, talcum powder 10kg, sand 20kg, grey calcium 20kg, bentonite 15kg, polymer dispersion powder 0.5kg, polypropylene fibre 0.2kg,
Polyvinyl alcohol 0.3kg is stirred according to the rotating speed of 500r/min, keeps color stuffing evenly dispersed, is slowly added into water 90kg, defoaming
Agent 0.01kg is stirred according to the rotating speed of 2000r/min, obtains stable uniformly mixed paste diatom ooze.
Test example
Table 1 is the Indexs measure to the diatom ooze items general performance prepared by embodiment 1-4, and table 2 is made to embodiment 1-4
The Indexs measure of standby diatom ooze various functions performance, table 3 are to be surveyed to the diatom ooze limits of harmful substances prepared by embodiment 1-4
Test result, wherein the detection of diatomaceous pozzolanic activity index is carried out according to GB/T12957-2005 regulations, diatom ooze
General performance index, functional performance index and harmful substance, which are detected, to be carried out according to JC/T2177-2013 professional standards regulation.
The general performance index of 1 diatom ooze of table
The various functions performance indicator of 2 diatom ooze of table
3 diatom ooze limits of harmful substances test result of table
Conclusion：It is satisfied by professional standard, work(according to the general specification of the prepared diatom ooze of above-mentioned table 1,2,3
Energy property technology requires to be far above required by standard, and unharmful substance detection.By the experimental data of table 2 it is found that implementing
From the point of view of example 1 is compared with embodiment 2, pozzolanic activity index improves 14.2%, illustrates diatomite under the conditions of low temperature oxygen-free thermal activation
Pozzolanic activity be more than pozzolanic activity of diatomite under the conditions of high temperature thermal activation, can be with according to the picking situation after 30 days
Find out, diatomaceous pozzolanic activity has strong influence to the durability of diatom ooze；Embodiment 4 can with the comparison of embodiment 1
：Diatom soil matrix composite photocatalyst material content has certain influence, content increase appropriate, silicon to the functional performance of diatom ooze
The functional performance of algal gel is also correspondingly improved.
In conclusion the diatom ooze prepared by the present invention adequately considers diatomaceous activity and uses new method system
The problem of standby diatomite/nano zine oxide composite photocatalyst material, achieves and improves hardness, the high effect of the activity that do not lose powder, institute
A kind of high activity functional form diatom ooze and preparation method thereof has been obtained with the present invention.
Claims (2)
1. a kind of high activity functional form diatom ooze, it is characterised in that mainly made of the raw material of following weight part ratio：
Diatomite/nano zine oxide composite photocatalyst material（10-50 parts）, white cement（10-60 parts）, coarse whiting（10-60 parts）、
Talcum powder（5-40 parts）, sand（10-100 parts）, grey calcium（10-50 parts）, bentonite（5-60 parts）、
Polymer dispersion powder（0.1-2 parts）, polypropylene fibre（0.1-2 parts）, polyvinyl alcohol（0.1-1 parts）.
2. a kind of preparation method of high activity functional form diatom ooze according to claim 1, it is characterised in that including following
Step：
1）The vitriol lixiviation 1-5h processing of two three-level diatomite of 100-200 mesh addition 30-80% is placed in high temperature furnace and is calcined,
Initial temperature is set as 50 DEG C, 5 DEG C/min of heating rate, anaerobic thermal activation treatment temperature is 300-800 DEG C, the thermal activation time
For 1-5h, it is cooled to room temperature to get to the diatomite after activation；
2）After mixing by the citric acid of the zinc nitrate of 15-25mol and 1mol, the distilled water of 100-500mol is added；By its
It stirs evenly, while instilling the absolute ethyl alcohol of 10-40mol slowly, then instill the ammonium hydroxide of 1-10mol slowly, be secondly added
The polyethylene glycol of 0.01-0.1mol after being then ultrasonically treated 40-80min, is placed in 60-100 DEG C of water temperature and carries out magnetic current stirring 1-
6h obtains suspension；Diatomite after activation is pressed 4 with suspension:1 molar ratio mixing；
It is uniformly mixed, stands 1-8h, dry, grinding obtains diatomite/nanometer in high temperature furnace after 200-800 DEG C of calcining 2-8h
Zinc oxide composite photocatalyst material powder；
3）By step 2）Middle diatomite/nano zine oxide composite photocatalyst material（10-50 parts）With white cement（10-60 parts）, again
Calcium（10-60 parts）, talcum powder（5-40 parts）, sand（10-100 parts）, grey calcium（10-50 parts）, bentonite（5-60 parts）, dispersible breast
Rubber powder（0.1-2 parts）, polypropylene fibre（0.1-2 parts）, polyvinyl alcohol（0.1-1 parts）Mixing, according to turning for 300-900r/min
Speed is stirred, and is kept color stuffing evenly dispersed, is slowly added into water（40-100 parts）, antifoaming agent（0.01-0.05 parts）, according to
The rotating speed of 1000-3000r/min is stirred, and obtains stable uniformly mixed paste diatom ooze.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113244887A (en) * | 2021-05-17 | 2021-08-13 | 吉林建筑大学 | Preparation method of high-functionality graphene diatomite composite material |
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Application publication date: 20180928 |