CN109650728A - A kind of foamed glass material and preparation method thereof to purify water - Google Patents
A kind of foamed glass material and preparation method thereof to purify water Download PDFInfo
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- CN109650728A CN109650728A CN201811359703.8A CN201811359703A CN109650728A CN 109650728 A CN109650728 A CN 109650728A CN 201811359703 A CN201811359703 A CN 201811359703A CN 109650728 A CN109650728 A CN 109650728A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/08—Other methods of shaping glass by foaming
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F2003/001—Biological treatment of water, waste water, or sewage using granular carriers or supports for the microorganisms
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- Engineering & Computer Science (AREA)
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- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
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Abstract
The invention discloses a kind of foamed glass materials and preparation method thereof to purify water, scrap glass bottle is passed through a series of processing by special technology, become the foamed glass material to purify water: foaming micropore silicon pumice, 1~4mm of its aperture, water absorption rate 5~10%, 1200~3000N of stress, 0.5~0.8g/ml of specific gravity；It is made after high temperature is around knot by foaming mixture, foaming mixture includes the component of following weight percent: glass powder: 90~93, the conch meal of 2~4mm of granularity: 0.4, granularity 1mm conch meal below: 0.6, active carbon: 0.2~1.0.Foaming micropore silicon pumice of the invention has that chronicity, high-performance, nontoxic, "dead", chemical stability is good, corrosion-resistant, weathering resistance, the advantages such as insoluble, non-degradable, the sewage of mistake processed by the invention, the indexs such as ammonia nitrogen, biochemical oxygen demand (BOD), COD are substantially reduced.
Description
Technical field
The present invention relates to foamed glass field of material technology, especially a kind of foamed glass material to purify water and its system
Preparation Method.
Background technique
China is the serious country of drought and water shortage.Although China's gross amount of water resources is more, since the size of population is huge,
Water consumption is low per capita, and wherein can as drinking water water resource it is limited；And industrial wastewater, sanitary sewage and other wastes into
Enter the water bodys such as rivers,lakes and seas, more than pollution caused by water body self-purification ability, this will lead to physics, chemistry, biology of water body etc.
The change of aspect feature is detrimental to health or destroys ecological environment to influence the utility value of water, cause water quality deterioration
The phenomenon that.It is different degrees of to cause water body due to various for the river and lake water in Chinese many area, farm's water etc.
There is the problems such as eutrophication, organic pollution, lake surface atrophy, bogginess in contamination phenomenon.And common processing method is object
Logos, chemical method, bioanalysis.General industry and sanitary sewage are all to concentrate to be transported to sewage treatment plant's centralized processing, at sewage
It is mature to manage factory's sewage disposal technology, is generally divided into one, two, three processing.River and lake water, the landscape water etc. that have polluted are handled
Method generally selects the filtering materials such as active carbon to filter.
Modern sewage processing technique is divided by degree for the treatment of, can be divided into level-one, second level and tertiary treatment.
Coagulation, the main solid pollution substance removed in sewage in suspended state, physical treatment process largely can only
Complete the requirement of coagulation.By the sewage of coagulation, biochemical oxygen demand (BOD) generally can remove 30% or so, discharge be not achieved
Standard.Coagulation belongs to the pretreatment of two stage treatment.
Two stage treatment, main organic pollution materials (biochemical oxygen demand (BOD), the chemistry removed in sewage in colloid and dissolved state
Aerobic quantity of material), removal rate makes organic pollutant reach discharge standard up to 90% or more.
Tertiary treatment, being further processed organic matter difficult to degrade, nitrogen and phosphorus etc. can result in the solvable of water eutrophication
Property inorganic matter etc..Main method has biological carbon and phosphorous removal method, coagulant sedimentation, sand filtration method, active carbon adsorption, ion-exchange
With electric osmose analytic approach etc..
Whole process be through the raw sewage of coarse rack after sewage pump is promoted, by grid or sand filter,
Enter setting pot later, enters primary sedimentation pond by the sewage of girt-water separation, the above are coagulation (i.e. physical treatments), just
The water outlet in heavy pond enters biological treating equipment, active sludge and biofilm, and (wherein the reactor of activated sludge process has exposure
Gas pond, oxidation ditch etc., biofilm include biofilter, biological rotating disk, biological contact oxidation process and biological fluidized bed), biology
The water outlet of processing equipment enters secondary sedimentation tank, and the water outlet of secondary settling tank by disinfection discharge or enters tertiary treatment, at level-one
Reason terminates to this to be two stage treatment, and tertiary treatment includes biological carbon and phosphorous removal method, coagulant sedimentation, sand filtration method, activated carbon adsorption
Method, ion-exchange and electroosmose process.Sludge a part of secondary settling tank is back to primary sedimentation pond or biological treating equipment, and one
Part enters sludge concentration tank, enters sludge digestion tank later, and by being dehydrated with after drying equipment, sludge is finally utilized.
These method and technologies recited above are mature, and treatment effect is also very good.But these methods are only limited to use in China
In centralized sewage treatment plant and sewage treatment facility structures etc..
Sewage treatment plant, the common processing method of this kind of water can not be transported to for river and lake water, farm's water, landscape water etc.
It is physisorphtion, the polluter in absorption degradation water body is carried out by addition filtering material, to purify water, commonly
The active charcoal of filtering material, but the higher cost of active carbon, and the economy of regeneration method of active carbon becomes restriction activity
Charcoal widely applied main bottleneck in the treatment of waste water.
Summary of the invention
The object of the present invention is to provide a kind of foamed glass materials and preparation method thereof to purify water, pass through special skill
Scrap glass bottle by a series of processing, is become the foamed glass material that can be purified water by art: foaming micropore silicon is light
Stone.
Present invention firstly provides a kind of foamed glass material to purify water, the foamed glass material is to contain micropore
Foaming micropore silicon pumice, which is characterized in that it is described foaming micropore silicon pumice aperture be 1~4mm, water absorption rate 5~
10%, 1200~3000N of stress, 0.5~0.8g/ml of specific gravity；Foaming micropore silicon pumice is by foaming mixture through high temperature
It is made after knot, foaming mixture includes the component of following weight percent:
Glass powder: 90~93,
The conch meal of 2~4mm of granularity: 0.4,
Granularity 1mm conch meal below: 0.6,
Active carbon: 0.2~1.0.
Preferably, the granularity of the glass powder is 1mm hereinafter, the granularity of the active carbon is 500 μm hereinafter, conch meal
It is accounted for 60% by the 40% and granularity 1mm or less that accounts for of 2~4mm of granularity and is synthesized whole 1%.
Preferably, foaming micropore silicon pumice has as follows:
Visual appearance: colourless or light green color etc..
Smell: tasteless.
Density: 0.9~1.2g/cm3。
Particle size: 10~20mm (intermediate value 14mm).
Grain shape: coarse unformed.
PH value: maximum value pH 10.3 or pH 7 (after washing).
Softening temperature: 720~730 DEG C (undecomposed).
The present invention also provides the preparation method for the foamed glass material that one kind purifies water as described above, the foaming
Glass material is the foaming micropore silicon pumice containing micropore, comprising the following steps:
Following weight percent composition is first mixed to prepare foaming mixture by S1,
Glass powder: 90~93,
The conch meal of 2~4mm of granularity: 0.4,
Granularity 1mm conch meal below: 0.6,
Active carbon: 0.2~1.0；
Foaming mixture is stirred evenly and is laid in heating furnace by S2, and thickness 20mm, foaming mixture passes through in heating furnace
Preheating, foaming, sintering three phases, wherein first stage preheating temperature is 830 DEG C~880 DEG C, and preheating time is 15~30 points
Clock；Second stage blowing temperature is 920 DEG C~950 DEG C, and foamed time is 10~20 minutes, and phase III sintering temperature is 850
DEG C~900 DEG C, sintering time is 10~15 minutes；
Then S3 carries out naturally cooling to room temperature after taking out in heating furnace, obtain foaming micropore silicon pumice.
Compared with prior art, the beneficial effects of the present invention are:
(1) in the foaming mixture formula in the present invention 2~4mm of granularity conch meal, additive amount accounts for conch meal
0.4%, foaming is effectively increased, keeps product air holes aperture big, the hole of foaming micropore silicon pumice can be made in roasting process
Reach 2~4mm, such hole accounts for 40% in foaming micropore silicon pumice.1mm or less conch meal, additive amount are used in formula
The 0.6% of conch meal is accounted for, the micro-pore of foaming micropore silicon pumice can be effectively increased, the micropore that foams can be made in roasting process
The hole of gap silicon pumice reaches 1mm hereinafter, such hole accounts for 60% in foaming micropore silicon pumice.Such macrovoid with it is small
Hole, which combines, effectively filtering water and to provide living environment for microorganism.Foam micropore silicon pumice molding little particle after with water
Body mixing, can effectively decompose ammonia nitrogen in water body, nitrite, total phosphorus, biochemical oxygen demand (BOD), COD, reach purification of water quality
Effect.
(2) active carbon is used in foaming mixture of the invention, can effectively be decomposed chromium oxide, be made silicon pumice product net
Harmful substance will not be decomposited during water quality by changing, with chronicity, high-performance and nontoxic, "dead", chemical
Stability is good, corrosion-resistant, weathering resistance, the advantages such as insoluble, non-degradable.
(3) scrap glass bottle can be used in the raw material of glass powder, and scrap glass bottle is handled substantially with land-fill method at present, glass
Glass bottle includes chromium oxide, and landfill may decomposite the nuisance containing chromium in soil after many decades, if by scrap glass
Bottle recycles the risk for not only reducing scrap glass bottle pollution environment, turns waste into wealth, and silicon pumice product purpose is extensive,
Lower production costs.
(4) the present invention relates to a kind of foamed glass material silicon pumices, and with many holes, large specific surface area has good
Good absorption and filtering, degradation characteristic, the microorganism perch lived in water is in the gap of silicon pumice, when organic matter passes through hair
When the hole of bulb glass, microorganism is decomposed.With common filtering material for example haydite, vermiculite, expanded perlite, pelelith,
Diatomite is compared, and foamed glass material silicon pumice has chronicity, high-performance and nontoxic, "dead", chemical stabilization
The advantages such as good, the corrosion-resistant, weathering resistance of property, insoluble, non-degradable.The sewage that foamed glass treatment is crossed, ammonia nitrogen, biochemistry are aerobic
The indexs such as amount, COD reduce.
Detailed description of the invention
Fig. 1 is a kind of preparation method flow chart of foamed glass material to purify water of the invention.
Fig. 2 is the concept map that the organic matter to purify water of the invention decomposes.
Fig. 3,4 are lab diagrams provided by embodiment 4.
Fig. 5-8 is lab diagram provided by embodiment 5.
Description of symbols: 1- foaming micropore silicon pumice, 10- hole, 2- organic matter X, 3- pure water, X- microbial digestion have
Machine object process, before Q- purification, after H- purification.
Specific embodiment
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, with reference to the accompanying drawing and specifically
The present invention is further described for embodiment.
Embodiment 1
S1, by the glass powder 8.4kg of 500 μm of granularities, the active carbon 0.042kg of 400 μm of granularities, 2~4mm granularity shellfish
The following conch meal 0.05kg of shell powder 0.033kg, 1mm granularity, which is mixed, is made foaming mixture
Foaming mixture obtained above is laid in 20mm high in heating furnace by S2, and foaming mixture passes through in heating furnace
Preheating, foaming, sintering three phases carry out naturally cooling to the foaming that room temperature obtains purification of water quality after taking out in heating furnace
Micropore silicon pumice；Wherein preheating temperature is 830 DEG C, preheating time 15 minutes；Blowing temperature is 920 DEG C, foamed time 10
Minute, sintering temperature is 850 DEG C, and sintering time is 10 minutes.
Sintered and foamed heating object is carried out cooled to room temperature after taking out in heating furnace up to foaming micropore silicon by S3
Pumice；The aperture of foaming micropore silicon pumice is 1~4mm, specific gravity 0.5g/ml, water absorption rate 5%, stress 1200N.
Embodiment 2
S1, by the glass powder 9.5kg of 900 μm of granularities, the active carbon 0.047kg of 300 μm of granularities, 2~4mm granularity shellfish
Shell powder 0.038kg, 1mm granularity conch meal 0.057kg below, which is mixed, is made foaming mixture；
Foaming mixture obtained above is laid in 20mm high in heating furnace by S2, and foaming mixture passes through in heating furnace
Preheating, foaming, sintering three phases, naturally cool to after taking out in heating furnace room temperature obtain purification of water quality foam it is micro-
Hole silicon pumice；Wherein preheating temperature is 880 DEG C, preheating time 30 minutes；Blowing temperature is 950 DEG C, and foamed time is 20 points
Clock, sintering temperature are 900 DEG C, and sintering time is 15 minutes.
Sintered and foamed heating object is carried out cooled to room temperature after taking out in heating furnace up to foaming micropore silicon by S3
Pumice；Foam micropore silicon pumice；Aperture is 2~3mm, specific gravity 0.8g/ml, water absorption rate 10%, stress 3000N.
Embodiment 3
1,2 pair of preparation method of the invention of the present embodiment combination attached drawing and the principle to purify water are illustrated.
As shown in Figure 1, preparation method of the invention includes:
Discarded vial is chosen, is carried out after rinsing well:
Process 1: crushing obtains the glass of crushing；
Process 2: crushing, the glass of crushing further crushed, and obtains glass powder, the granularity of glass powder should be in 1mm
Below.
Process 3: by glass powder, the conch meal of 2~4mm of granularity, granularity 1mm conch meal below and 500 μm of granularity
Active carbon below, mixes according to formula rate.
Process 4: by preheating, foaming, sintering three phases, carry out naturally cooling to room temperature taking in heating furnace after taking out
Obtain the foamed glass material of purification of water quality: foaming micropore silicon pumice.
The principle to purify water as shown in Fig. 2, put into suitable foaming micropore silicon pumice 1, because foaming is micro- in water
Hole silicon pumice has a large amount of hole 10, and organic matter 2 enters together with water in hole 10, having in microbial digestion hole 10
Machine object (X in figure), and finally obtain pure water 3.
Embodiment 4
The present embodiment will combine Fig. 3,4 pairs of foamed glass materials of the invention: the beneficial effect of foaming micropore silicon pumice
It is illustrated.
Experiment name: Guizhou In China province Guiyang Nanming District tank purification of water quality experiment
Time: 15 days 15~2 months January (1 month) in 2012.
Place: the tank inside primary school is enabled.
Scale: 10m × 10m × 0.8m is maximum, flows in and out without outside.
Purification method: inside tank in such a way that bamboo is using chinampa, make a reservation for be purified with 4 chinampas.Mode of operation
It is that scene allows them to float on the surface toward loading 20L foaming micropore silicon pumice (Fig. 3) inside mesh bag, and usage amount is a mesh bag
20L is filled, has used 100 bags；Foaming micropore silicon pumice is placed in pond (Fig. 4) in such a way that bamboo is using chinampa.
Experimental result: it is shown in Table 1.
Table 1: Guizhou In China province Guiyang Nanming District tank purification of water quality experimental result table
| Experimental subjects | Before installation (mg/l) | After one month (mg/l) |
| Biochemical oxygen demand (BOD) BOD | 2.53 | 0.43 |
| COD COD | 7.35 | 1.07 |
| Ammonia nitrogen NH3-N | 0.32 | 0.16 |
| Total phosphorus T-P | 6.86 | 0.003 |
| Total nitrogen T-N | 0.729 | 0.186 |
Interpretation of result: as it can be seen from table 1 after 1 month, the effects of purification quality of the tank is obvious, biochemical oxygen demand (BOD)
BOD, COD COD, ammonia nitrogen NH3- N, total phosphorus T-P, total nitrogen T-N are effectively reduced.
Embodiment 5
The present embodiment will combine Fig. 5-8 pairs of foamed glass materials of the invention: the beneficial effect of foaming micropore silicon pumice
It is illustrated.
Experiment name: autonomous prefecture, the Yi nationality, distributed over Yunnan, Sichuan and Guizhou, Chinese yunnan province Longjiang park purification of water quality test
Time: 9~18 3 months year (10 days) in 2011
Place: in Longjiang park (Fig. 5).
Small-scale pond: vertical 50m × wide 30m × depth of water is averaged 1m；Central part has vertical 20m × wide 15m construction；Without outer
Portion flows into and outflux.
Purification method: 30m is set at 4 in pond3The suction pump (Fig. 6) of/h forces that the water in pond is allowed to recycle, uses 25t/h
Suction pump soil etc. is adsorbed onto coacervation treating device.This processing water is placed on overall length 2m × wide 0.5m × depth of water 1m container
In contacted with foaming micropore silicon pumice, be filtered and nitrogen/phosphorus adsorption-decomposition function.The most narrow position (figure inside pond
7) circulation (working 16 hours for 1 day) that the wide 1m of glass foaming material × overall length 5m is set, carries out 10 days.
Experimental result:
See Fig. 8, the small water vat above Fig. 8 is before purification (Q in figure), and the big water vat of lower section is after purification (H in figure).
It is shown in Table 2.
2 autonomous prefecture, the Yi nationality, distributed over Yunnan, Sichuan and Guizhou, Chinese yunnan province, park, Longjiang purification of water quality test result of table
| Project | Before purification (first day) | After purification (after 10 days) |
| pH | 8.26 | 7.92 |
| Biochemical oxygen demand (BOD) BOD | 46 | 15 |
| COD COD | 5.29 | 1.02 |
| Ammonia nitrogen NH3-N | 0.93 | 0.46 |
| Suspended solid SS | 68 | 32 |
| Total phosphorus T-P | 0.047 | 0.018 |
| Total nitrogen T-N | 1.04 | 0.65 |
Note: above-mentioned project PH dimensionless, other units are mg/l.
Interpretation of result: from table 2 it can be seen that only after 10 days, the effects of purification quality in the park is obvious, biochemical oxygen demand (BOD)
BOD, COD COD, ammonia nitrogen NH3- N, suspended solid SS, total phosphorus T-P, total nitrogen T-N are effectively reduced, can also from Fig. 8
Intuitively to compare discovery, more clarified in color using the purified water quality of the present invention.
Embodiment 4,5 by experimental data illustrate the present invention the upper acquirement that purifies water substantive distinguishing features outstanding and
Significant progress is compared, foamed glass with common filtering material such as haydite, vermiculite, expanded perlite, pelelith, diatomite
Material silicon pumice have chronicity, high-performance and it is nontoxic, "dead", chemical stability is good, corrosion-resistant, weathering resistance,
The advantages such as insoluble, non-degradable.The sewage that foamed glass treatment is crossed, the indexs such as ammonia nitrogen, biochemical oxygen demand (BOD), COD
It reduces.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of foamed glass material to purify water, the foamed glass material is that the foaming micropore silicon containing micropore is light
Stone, which is characterized in that it is described foaming micropore silicon pumice aperture be 1~4mm, water absorption rate 5~10%, stress 1200~
3000N, 0.5~0.8g/ml of specific gravity；Foaming micropore silicon pumice is made after high temperature is around knot by foaming mixture, foaming
Mixture includes the component of following weight percent:
Glass powder: 90~93,
The conch meal of 2~4mm of granularity: 0.4,
Granularity 1mm conch meal below: 0.6,
Active carbon: 0.2~1.0.
2. the foamed glass material according to claim 1 to purify water, which is characterized in that the granularity of the glass powder
For 1mm hereinafter, the granularity of the active carbon is 500 μm or less.
3. the foamed glass material according to claim 1 to purify water, which is characterized in that foaming micropore silicon is light
The density of stone is 0.9 1.2 g/cm3。
4. the foamed glass material according to claim 1 to purify water, which is characterized in that foaming micropore silicon is light
The particle size of stone are as follows: 10~20mm of range, intermediate value 14mm.
5. the foamed glass material according to claim 1 to purify water, which is characterized in that foaming micropore silicon is light
The pH value of stone are as follows: maximum value pH 10.3, pH 7 after washing.
6. the foamed glass material according to claim 1 to purify water, which is characterized in that foaming micropore silicon is light
The softening temperature of stone: undecomposed 720~730 DEG C.
7. a kind of preparation method of the foamed glass material to purify water, the foamed glass material is the foaming containing micropore
Micropore silicon pumice, which comprises the following steps:
Following weight percent composition is first mixed to prepare foaming mixture by S1,
Glass powder: 90~93,
The conch meal of 2~4mm of granularity: 0.4,
Granularity 1mm conch meal below: 0.6,
Active carbon: 0.2~1.0；
Foaming mixture is stirred evenly and is laid in heating furnace by S2, and foaming mixture is preheated in heating furnace, foaming, burns
Three phases are tied, wherein first stage preheating temperature is 830 DEG C~880 DEG C, and preheating time is 15~30 minutes；Second stage hair
Steeping temperature is 920 DEG C~950 DEG C, and foamed time is 10~20 minutes, and phase III sintering temperature is 850 DEG C~900 DEG C, sintering
Time is 10~15 minutes；
Then S3 carries out naturally cooling to room temperature after taking out in heating furnace, obtain foaming micropore silicon pumice.
8. the preparation method of the foamed glass material according to claim 7 to purify water, which is characterized in that the glass
The granularity of powder is 1mm hereinafter, the granularity of the active carbon is 1mm or less.
9. the preparation method of the foamed glass material according to claim 8 to purify water, which is characterized in that, will in S2
Foaming mixture stir evenly be laid in heating furnace with a thickness of 20mm.
10. the preparation method of the foamed glass material according to claim 9 to purify water, which is characterized in that in S3, institute
The aperture for stating foaming micropore silicon pumice is 1~4mm, water absorption rate 5~10%, 1200~3000N of stress, 0.5~0.8g/ of specific gravity
ml。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114105473A (en) * | 2021-08-04 | 2022-03-01 | 江苏晶瑞特环保新材料有限公司 | Glass pumice with phosphorus removal function and preparation method thereof |
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