CN100479912C - Application of aluminosilicate hydrate and filter with aluminosilicate hydrate - Google Patents
Application of aluminosilicate hydrate and filter with aluminosilicate hydrate Download PDFInfo
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- CN100479912C CN100479912C CNB2006100723097A CN200610072309A CN100479912C CN 100479912 C CN100479912 C CN 100479912C CN B2006100723097 A CNB2006100723097 A CN B2006100723097A CN 200610072309 A CN200610072309 A CN 200610072309A CN 100479912 C CN100479912 C CN 100479912C
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Abstract
The present invention is the application of filtering material containing aluminosilicate hydrate in preparing filtering product for lowering the harmful component content in gas, especially cigarette fume. The filtering product, including filter, gas mask, filtering tip for cigarette, etc contains the filtering materials CaO 1.0-10 wt%, MgO 1.0-15 wt%, Fe2O3 3.0-15 wt%, K2O 0.2-3.0 wt%, Al2O3 8-30 wt% and SiO2 50-86.8 wt% on some carrier.
Description
Invention field
The present invention relates to the application of hydrated aluminosilicate and contain the filtration article of hydrated aluminosilicate; More specifically, the present invention relates to the application of hydrated aluminosilicate in preparing the filtration article that absorbs harmful components in the gas, and such filtration article.
Background technology
In daily life, people contact gas medium usually, for example breathe air etc.But gas often comprises various impurity, and for example various harmful components help these impurity filterings to human health.For this reason, need to use filtration article, for example filter or breathing mask etc.
One concrete aspect, people find already, smoking brings adverse effect to health: epidemiology survey and experimental study show, smoking can cause the multiple disease incidence rate and the death rate to increase, as acute and chronic tracheae/bronchitis, pneumonia, miocardial infarction, headstroke, comprise many cancers of lung cancer etc.The toxicity that the past people produce when thinking smoking always is from nicotine, but in fact it is not unique toxicant.Cigarette burning is the combustion process of a complexity, there is a large amount of harmful substances in flue gas that is produced and the tar therebetween, as the special nitrosamine of tobacco, condensed-nuclei aromatics and free radical etc., these harmful substances can be directly and attack cells indirectly, be the major reason that gives rise to diseases, smoker's health is brought adverse effect.On the other hand, evidence suggests that passive smoking (flue gas that is produced when being the non-smoker because of the contact smoker smoking) health to the involuntary smoker equally causes adverse effect.Therefore, reduce the harmful components in the tobacco smoke, can alleviate the health hazard that smoking causes.For this purpose, in tobacco products such as cigarette, add filter tip etc.
In the prior art, adopted various filtering materials to make filtration article, be used for the purification of gas medium, for example filtered, its effect and effect are different.But, be used for the filtration article of poisonous substance that filtering tobacco aspiration procedure produces etc., still have further improved necessity, so that absorb this class poisonous substance more fully, be beneficial to human beings'health; Simultaneously, if such filtration article can be made with raw material cheap and easy to get, then can be applied to industrial circle more easily.
Summary of the invention
The inventor is surprised to find that, the hydrated aluminosilicate with specific composition can the filtering tobacco product produces the poisonous substance in the flue gas, the performance that shows when suction or burning; Simultaneously, hydrated aluminosilicate is cheap and easy to get, is expected to realize with lower cost the filtering of flue gas poisonous substance.
Therefore, the purpose of this invention is to provide hydrated aluminosilicate and reduce the particularly application in the filtration article of the harmful components in the cigarette smoke of gas in preparation, described goods for example are filter, breathing mask, perhaps be the filter tip of cigarette or cigar, cigarette props up etc., includes hydrated aluminosilicate and carrier, with the vehicle weight is benchmark, the amount of hydrated aluminosilicate is 0.001-35%, and wherein said hydrated aluminosilicate itself is 100% in himself weight, contains:
CaO 1.0-10％；
MgO 1.0-15％；
Fe
2O
3 3.0-15％；
K
2O 0.2-3.0％；
Al
2O
3 8-30％；
SiO
2 50-86.8％；
H
2O<9％。
Another object of the present invention provides a kind of gas that is used for reducing, the filtration article of the harmful components in the cigarette smoke particularly, described goods include hydrated aluminosilicate and carrier, with the vehicle weight is benchmark, the amount of hydrated aluminosilicate is 0.001-35%, wherein said hydrated aluminosilicate itself is 100% in himself weight, contains:
CaO 1.0-10％；
MgO 1.0-15％；
Fe
2O
3 3.0-15％；
K
2O 0.2-3.0％；
Al
2O
3 8-30％；
SiO
2 50-86.8％；
H
2O<9％。
The specific embodiment
According to the present invention, hydrated aluminosilicate is used for preparation and reduces gas, the filtration article of the harmful components in cigarette (comprising tobacco products such as the cigar) flue gas particularly, described goods for example are filter, breathing mask and cigarette or cigar filter tip and cigarette prop up etc., can be cylindricality, cylindrical shape, cast, particle shape, hollow type, multi-layer planar type or sphere etc., described goods include hydrated aluminosilicate and carrier, with the vehicle weight is benchmark, the amount of hydrated aluminosilicate is 0.001-35%, wherein said hydrated aluminosilicate itself is 100% in himself weight, contains:
CaO 1.0-10％；
MgO 1.0-15％；
Fe
2O
3 3.0-15％；
K
2O 0.2-3.0％；
Al
2O
3 8-30％；
SiO
2 50-86.8％；
H
2O<9％。
Preferably, be benchmark with the vehicle weight, the amount of the hydrated aluminosilicate that filtration article comprises is 0.05-25%, more preferably 0.1-10%.
Preferably, described hydrated aluminosilicate itself is 100% in himself weight, contains:
CaO 3.2-5.0％；
MgO 3.5-6.0％；
Fe
2O
3 5.0-7.0％；
K
2O 0.3-2.0％；
Al
2O
3 12.0-23.0％；
SiO
2 55.0-75.0％；
H
2O<6％。
In filtering material of the present invention, the hydrated aluminosilicate chemical composition analysis uses X-ray fractionation sub-ray spectrometer (X-ray fractionation spectroscopy) to analyze.
The hydrated aluminosilicate that is used for filtration article of the present invention can make with known method.Hydrated aluminosilicate itself is as known substance, and its method for making is known for those of ordinary skills; As long as the content of final hydrated aluminosilicate product then all can be used for the present invention at institute of the present invention restricted portion; Simultaneously, preferred hydrated aluminosilicate be each constituent content natural hydrated aluminosilicate or hydrated aluminosilicate through processing within the scope of the present invention wherein.In a word, under instruction of the present invention, the selection that is used for hydrated aluminosilicate of the present invention is fully within those of ordinary skills' skill.
Be used for hydrated aluminosilicate of the present invention and be preferably powder, for example preferred especially wherein 50-90% of particle crosses the 20-325 mesh sieve.In case of necessity, hydrated aluminosilicate can further be handled, and for example handles down at 200-600 ℃.
The carrier of filtration article of the present invention can adopt active carbon, fiber, pipe tobacco, polyesters, natural rock (for example calcite, marble, float stone, sepiolite and dolomite).
Filtration article can make according to the known method for preparing like product.
According to required form, filtration article can make different shapes, and for example cylindricality, cylindrical shape, cast, particle shape etc. for example are shaped to required form with usual way, and for example cigarette is crossed filter core etc. with filter tip, breathing mask.Described hydrated aluminosilicate can also directly be used in cigarette props up, and for example, the hydrated aluminosilicate size is crossed 325 orders, evenly is added in the pipe tobacco with the 0.01%-5% ratio, makes pipe tobacco self become a kind of filtration article before burning or in the combustion process.
Filtration article of the present invention can be used to remove the harmful components in the gas, particularly cigarette smoke, and obtains promising result, and especially the removal effect to the special nitrosamine of tobacco, condensed-nuclei aromatics, free radical etc. is good.
Further specify the present invention by the following examples, but they do not constitute limitation of the scope of the invention.
Embodiment
Experimental technique
One, 3 kinds of condensed-nuclei aromatics in the cigarette smoke (Polycyclic AromaticHydrocarbons, PAHs) (benzo [a] pyrene (being called for short " b[a] p "), benzo [a] anthracene (being called for short " b[a] A ") and
(hereinafter to be referred as " CH ")) assay method
1. reagent and instrument
Cyclohexane, n-hexane, absolute ether (being chromatographically pure); Benzo [a] pyrene, benzo [a] anthracene,
Standard specimen (Fluka company, the U.S.); 9-phenylanthracene standard specimen (Fluka); Tool plug conical flask concentrates bottle; The silica gel solid-phase extraction column; Rotary Evaporators; HP6890-5973MSD look-matter combined instrument; Elastic quartz capillary tube chromatographic column HP-5MS30m * 0.25mm * 0.25 μ m, JJ-3A type smoking machine (homemade, Zhengzhou tobacco research institute).
2. the collection of flue gas TPM and preliminary treatment
Before the experiment of used cigarette under (22 ± 1) ℃, relative humidity (60 ± 2) % condition balance 48h, then through weight and resistance to suction sorting, the test cigarette of choosing uniformity props up.
With JJ-3A type ten duct smoking machine smoking cigarettes, 2 seconds (s) of every mouthful of suction, volume 35mL, every mouthful of 58s at interval, environment temperature (22 ± 2) ℃, relative humidity (60 ± 5) %.Every glass fibre filter disc is collected 4 cigarette.5 filter discs are put into the 100mL conical flask; accurately add the 40mL cyclohexane; ultrasonic extraction 40min leaves standstill, and accurately shifts out the 10mL extract and is added on the silica gel solid-phase extraction column; make liquid all flow through extraction column; and then gradation adding 30mL cyclohexane wash-out, collect all eluents, eluent is concentrated into 0.5mL under nitrogen protection on the Rotary Evaporators; mark in accurately adding can carry out look-matter analysis.
3. look-mass spectral analysis
Look-matter analysis is carried out on a HP6890-5973MSD, and chromatographic column is HP-5MS30m * 0.25mm * 0.25 μ m, and temperature programming rises to 280 ℃ from 150 ℃ of speed with 6 ℃/min, keeps 20min, and injector temperature is 280 ℃.Split sampling, split ratio are 5:1, and sampling volume is 1.5 μ L.Ionization mode: EI, ion source temperature: 230 ℃, the transmission line temperature: 280 ℃, scan mode: SIM, selection ion are the molecular ion peak of benzo [a] pyrene and internal standard compound, and the monitoring time of each ion is 30ms, the quantitative use internal standard method of benzo [a] pyrene.
4. the qualitative, quantitative of benzo [a] pyrene in the cigarette smoke TPM
In order to determine the peak position of benzo [a] pyrene, adopt: (1) compares the relative retention time of the chromatographic peak of benzo [a] pyrene standard specimen and sample; (2) benzo [a] pyrene standard specimen is joined in the sample, chromatographic peak is increased; (3) select two ions, calculate and compare in benzo [a] the pyrene standard specimen and the abundance ratio of two ions in the sample, carry out qualitative the benzo in the sample [a] pyrene.Adopt internal standard method to carry out quantitative analysis.
When analyzing benzo [a] pyrene, to benzo [a] anthracene in the also stronger flue gas of carcinogenesis and
Also done assay determination.
Two, 4 grow tobacco distinctive nitrosamine (Tobacco SpecificNitrosamines, TSNAs) assay methods of (N-amyl group-(2-pyrrole radicals)-nitrosamine (be called for short NNN), N-nitrosonornicotine (being called for short NNK), N-nitroso anabasine (being called for short NAT), N-nitroso anabasine (being called for short NAB) in the cigarette smoke
1. material, reagent and instrument
Carrene chromatographically pure (or analyzing pure through heavily steaming) methyl alcohol chromatographically pure (or analyzing pure through heavily steaming) anhydrous sodium sulfate is analyzed pure ascorbic acid and is analyzed soda ash aluminium oxide 100～300 orders; N-amyl group-(2-pyrrole radicals)-nitrosamine, N-nitrosonornicotine, N-nitroso anabasine, N-nitroso anabasine, 4-(methyl nitrosamino group)-1-(3-pyridine radicals)-1-butanone are the import standard specimen, and purity is greater than 97%.The HP6890 gas chromatograph; 502B type thermal energy analyzer; JJ-3A ten duct smoking machines; The automatic concentrating instrument of TURBO VAPOR.Glass chromatography column (500mm is long for tool plug, 20mm internal diameter); Assay balance: sensibility reciprocal 0.1mg; Supersonic generator
2. gas-chromatography-thermal energy analyzer (GC-TEA) method is measured the pre-treatment of TSNAs
(1) suction of cigarette
Handle the glass fibre filter disc with ascorbic acid/methanol solution, the 92mm filter disc uses 5mL ascorbic acid/methanol solution (10mg/mL), the 44mm filter disc uses 2mL ascorbic acid/methanol solution (5mg/mL), press YC/T29-1996 (standard name: cigarette, measure TPM and tar with smoking machine) standard conditions behind the filter disc balance 48h and collect the granule phase substance of 20 cigarette with conventional analysis.
(2) sample extraction and concentrated
Filter disc is put into the 250mL conical flask, place and divide 3 ultrasonic extractions with carrene in the supersonic generator, in conical flask, add the 100mL carrene for the first time, respectively add 80mL, each ultrasonic extraction 10min all the other twice.All extracts are filtered behind anhydrous sodium sulfate drying, be transferred in the 500mL ground round-bottomed flask.The round-bottomed flask that fills extract is connected Rotary Evaporators, logical high pure nitrogen rotary evaporation, it is stand-by to be concentrated into about 5mL under 40 ℃.
(3) chromatographic column is prepared
Activation 2h is stand-by down at 110 ℃ for alkali alumina.Chromatographic column keeps clean dried, adds the 30mL carrene earlier, with wet method the 15g alkali alumina is added in the chromatographic column again, stirs aluminium oxide with glass rod and drives all bubbles away.With 50mL carrene elution chromatography post.When dropping to alumina layer, liquid level closes the chromatographic column piston.
(4) column chromatography
Concentrating sample is once added chromatographic column, and with 5mL * 3 washed with dichloromethane flask inwalls.Cleaning solution adds chromatographic column.With 30mL carrene elution chromatography post, do not collect eluent.Use 100mL 8% ethanol/methylene (v/v) eluant solution chromatographic column at last, collect whole eluents.
(5) eluent concentrates
Accurately add the 1mL inner mark solution in eluent, logical high pure nitrogen is concentrated into it about 1mL under 40 ℃, transfers in the 2mL chromatogram bottle stand-by.
3. the GC-TEA qualitative analysis of TSNAs in the cigarette smoke TPM
Through the analytic sample that pre-treatment prepares, adopt capillary gas chromatography-heat energy to analyze combined instrument and carry out Analysis and Identification.Standard sample is mixed with mixed solution, carries out gas chromatographic analysis, determine the relative retention time of each reference material mass peak, the relative retention time with the determinand mass peak of tested flue gas sample compares qualitative then.
4. the GC-TEA quantitative analysis of TSNAs in the cigarette smoke TPM
With the ratio mapping of TSNAs peak area and internal standard area in the comparison chromatogram of the content of four kinds of TSNAs in the standard serial solution and interior scalar, obtain a value (slope) and the b value (intercept) of working curve.The content of 4 kinds of TSNAs in the sample calculates by following formula, gets the test result of the arithmetic mean of instantaneous value of two parallel sample as sample.Content is represented with the nanogram number of the TSNA that contains in every cigarette.
Three, the tar assay method adopts YC/T29-1996 (cigarette standard: cigarette, measure TPM and tar with smoking machine with conventional analysis).
Four, determination of carbon monoxide method employing YC/T30-1996 (the cigarette standard: cigarette, measure carbon monoxide with conventional analysis with smoking machine.
The comparative example
Commercially available BJ Tobacco Factory's product, filter-tipped Zhongnanhai 8mg cigarette (are labeled as 12
#Cigarette) smoke absorption situation is tested, and the results are shown in Table 2.
Embodiment 1
Ratio in a 2mg hydrated aluminosilicate/filter tip, hydrated aluminosilicate and ordinary granular activated carbon are pressed filtering material: the abundant mixing of the weight ratio of active carbon=2:15, the active carbon that will contain filtering material by the cigarette filter production requirement is dispersed in and is used for making filter-tip 700mg acetate fiber then, be prepared into cigarette filter (composite tip stick, diameter: 7.8mm, length: 24mm).The composition of hydrated aluminosilicate is:
CaO 1.0％
MgO 2.0％
Fe
2O
3 3.0％
K
2O 0.5％
Al
2O
3 13.0％
SiO
2 75％
Hydrated aluminosilicate is the powder shape, whole mistake 20 mesh sieves.
The Zhongnanhai board 8mg cigarette of commercially available BJ Tobacco Factory is removed filter tip, be hinged with the cigarette filter of above-mentioned preparation, cigarette and cigarette smoke are carried out routine (cigarette weight, dilution factor, resistance to suction, puff number, TPM, moisture, releasing content of coke tar, nicotine amount, carbon monoxide content) and special index (4 grow tobacco special nitrosamine NNN, NAT, NAB, NNK, 3 kinds of condensed-nuclei aromatics b (a) A, CH, b (a) p) test, the results are shown in Table 1.
As shown in table 1, with the contrast cigarette relatively, when adopting hydrated aluminosilicate to make filter tip, in the cigarette smoke, NNN, NAT, NAB, NNK reduce that percentage is respectively 31.5%, 27.1%, 37.6%, 21.2%, 4 kind of TSNAs total amount reduces by 27.7%; B (a) A, CH, b (a) p reduce that percentage is respectively 36.6%, 25.0%, 36.5%, 3 kind of PAHs total amount reduces by 30.6%.
Embodiment 2
Ratio in a 5mg hydrated aluminosilicate/filter tip, hydrated aluminosilicate and ordinary granular activated carbon are pressed filtering material: the abundant mixing of the weight ratio of active carbon=1:3, the active carbon that will contain the hydration alumino-silicate by the cigarette filter production requirement is dispersed in and is used for making filter-tip 500mg flax fiber then, be prepared into cigarette filter (composite tip stick, diameter: 7.8mm, length: 24mm).The composition of hydrated aluminosilicate is:
CaO 2.6％
MgO 3.0％
Fe
2O
3 6.5％
K
2O 0.7％
Al
2O
3 15.0％
SiO
2 65％
Hydrated aluminosilicate is the powder shape, whole mistake 50 mesh sieves.
The Zhongnanhai board 8mg cigarette of commercially available BJ Tobacco Factory is removed filter tip, be hinged with the cigarette filter of above-mentioned preparation, cigarette and cigarette smoke are carried out routine (cigarette weight, dilution factor, resistance to suction, puff number, TPM, moisture, releasing content of coke tar, nicotine amount, carbon monoxide content) and special index (4 grow tobacco special nitrosamine NNN, NAT, NAB, NNK, 3 kinds of condensed-nuclei aromatics b (a) A, CH, b (a) p) test, the results are shown in Table 1.
The results are shown in Table 1.With the contrast cigarette relatively, NNN, NAT, NAB, NNK reduce that percentage is respectively 24.8%, 21.3%, 29.8%, 17.7%, 4 kind of TSNAs total amount reduces by 22.1%; B (a) A, CH, b (a) p reduce that percentage is respectively 36.9%, 21.6%, 35.3%, 3 kind of PAHs total amount reduces by 28.7%.
Embodiment 3
Ratio in a 10mg hydrated aluminosilicate/filter tip, hydrated aluminosilicate and ordinary granular activated carbon are pressed filtering material: the abundant mixing of the weight ratio of active carbon=2:3, the active carbon that will contain filtering material by the cigarette filter production requirement is dispersed in and is used for making filter-tip 300mg fiber then, be prepared into cigarette filter (composite tip stick, diameter: 7.8mm, length: 24mm).The composition of filtering material is:
CaO 3.2％
MgO 4.0％
Fe
2O
3 5.4％
K
2O 0.6％
Al
2O
3 18.0％
SiO
2 72.0％
Hydrated aluminosilicate is the powder shape, whole mistake 150 mesh sieves.
The Zhongnanhai board 8mg cigarette of commercially available BJ Tobacco Factory is removed filter tip, be hinged with the cigarette filter of above-mentioned preparation, cigarette and cigarette smoke are carried out routine (cigarette weight, dilution factor, resistance to suction, puff number, TPM, moisture, releasing content of coke tar, nicotine amount, carbon monoxide content) and special index (4 grow tobacco special nitrosamine NNN, NAT, NAB, NNK, 3 kinds of condensed-nuclei aromatics b (a) A, CH, b (a) p) test, the results are shown in Table 1.
With the contrast cigarette relatively, NNN, NAT, NAB, NNK reduce that percentage is respectively 23.9%, 19.9%, 31.1%, 21.9%, 4 kind of TSNA total amount reduces by 22.3%; B (a) A, CH, b (a) p reduce that percentage is respectively 32.3%, 21.2%, 34.1%, 3 kind of PAHs total amount reduces by 26.9%.
Embodiment 4
Ratio in a 10mg hydrated aluminosilicate/filter tip, hydrated aluminosilicate and ordinary granular activated carbon are pressed filtering material: the abundant mixing of the weight ratio of active carbon=2:3, the active carbon that will contain filtering material by the cigarette filter production requirement is dispersed in and is used for making filter-tip 350mg fiber then, be prepared into cigarette filter (composite tip stick, diameter: 7.8mm, length: 24mm).The composition of filtering material is:
CaO 3.8％
MgO 4.7％
Fe
2O
3 5.8％
K
2O 0.7％
Al
2O
3 16.8％
SiO
2 68.20％
Hydrated aluminosilicate is the powder shape, whole 150 mesh sieves.
The Zhongnanhai board 8mg cigarette of commercially available BJ Tobacco Factory is removed filter tip, be hinged with the cigarette filter of above-mentioned preparation, cigarette and cigarette smoke are carried out routine (cigarette weight, dilution factor, resistance to suction, puff number, TPM, moisture, releasing content of coke tar, nicotine amount, carbon monoxide content) and special index (4 grow tobacco special nitrosamine NNN, NAT, NAB, NNK, 3 kinds of condensed-nuclei aromatics b (a) A, CH, b (a) p) test, the results are shown in Table 1.
With the contrast cigarette relatively, NNN, NAT, NAB, NNK reduce that percentage is respectively 24.3%, 21.5%, 33.0%, 22.1%, 4 kind of TSNA total amount reduces by 24.00%; B (a) A, CH, b (a) p reduce that percentage is respectively 35.0%, 23.5%, 35.4%, 3 kind of PAHs total amount reduces by 27.4%.
Embodiment 5
The ratio of propping up in 10mg hydrated aluminosilicate/cigarette, make carrier with pipe tobacco, with hydrated aluminosilicate and pipe tobacco the abundant mixing of weight ratio (this research is added according to 1.4% ratio) in 0.3-3%, the pipe tobacco that will contain filtering material by the Cigarette production requirement is made cigarette and is propped up then, (diameter: 7.8mm, every cigarette gross weight 889mg).The composition of filtering material is:
CaO 3.8％
MgO 4.7％
Fe
2O
3 5.8％
K
2O 0.7％
Al
2O
3 16.8％
SiO
2 68.20％
Hydrated aluminosilicate is that superfine powder is granular, whole 325 mesh sieves.
The cigarette that makes as stated above and cigarette smoke are carried out routine (cigarette weight, dilution factor, resistance to suction, puff number, TPM, moisture, releasing content of coke tar, nicotine amount, carbon monoxide content) and special index (4 grow tobacco special nitrosamine NNN, NAT, NAB, NNK, 3 kinds of condensed-nuclei aromatics b (a) A, CH, b (a) p) test, the results are shown in Table 1.
With the contrast cigarette relatively, NNN, NAT, NAB, NNK reduce that percentage is respectively 23.8%, 19.8%, 30.8%, 23.7%, 4 kind of TSNA total amount reduces by 22.65%; B (a) A, CH, b (a) p reduce that percentage is respectively 33.4%, 22.3%, 34.4%, 3 kind of PAHs total amount reduces by 27.9%
The chemical composition of table 1 filtration article of the present invention
| Form | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| CaO％ | 1.0 | 2.6 | 3.2 | 3.8 | 3.8 |
| MgO％ | 2.0 | 3.0 | 4.0 | 4.7 | 4.7 |
| Fe 2O 3％ | 3.0 | 6.5 | 5.4 | 5.8 | 5.8 |
| K 2O％ | 0.5 | 0.7 | 0.6 | 0.7 | 0.7 |
| Al 2O 3％ | 13.0 | 15.0 | 18.0 | 16.8 | 16.8 |
| SiO 2％ | 75 | 65 | 72.0 | 68.2 | 68.2 |
| Moisture | <9％ | <9％ | <9％ | <9％ | <9％ |
| Density (grams per milliliter) | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Granularity (crossing 325 mesh sieves) | 52％-80％ | 70％-90％ | 95％ | 90％ | 100％ |
Table 2. contains the cigarette smoke test result of filtration article
Claims (18)
1. the application in the filtration article of hydrated aluminosilicate harmful components in preparation reduction gas, described goods include hydrated aluminosilicate and carrier, with the vehicle weight is benchmark, the amount of hydrated aluminosilicate is 0.001-35%, wherein said hydrated aluminosilicate itself is 100% in himself weight, consists of:
CaO 1.0-10％；
MgO 1.0-15％；
Fe
2O
3 3.0-15％；
K
2O 0.2-3.0％；
Al
2O
3 8-30％；
SiO
2 50-86.8％；
H
2O <9％。
2. application according to claim 1, wherein said hydrated aluminosilicate itself is 100% in himself weight, consists of:
CaO 3.2-5.0％；
MgO 3.5-6.0％；
Fe
2O
3 5.0-7.0％；
K
2O 0.3-2.0％；
Al
2O
3 12.0-23.0％；
SiO
2 55.0-75.0％；
H
2O < 9％。
3. application according to claim 1, wherein said goods are filter, and wherein said hydrated aluminosilicate comprises natural hydrated aluminosilicate or the hydrated aluminosilicate through processing, and wherein carrier is active carbon, fiber, polyester or natural rock.
4. application according to claim 1, wherein said goods are cigarette filter, and wherein said hydrated aluminosilicate comprises natural hydrated aluminosilicate or the hydrated aluminosilicate through processing, and wherein carrier is active carbon, fiber, polyester or natural rock.
5. application according to claim 1, wherein said goods are breathing mask, and wherein said hydrated aluminosilicate comprises natural hydrated aluminosilicate or the hydrated aluminosilicate through processing, and wherein carrier is active carbon, fiber, polyester or natural rock.
6. application according to claim 1 and 2, wherein said goods are cigar filter tip, wherein said hydrated aluminosilicate comprises natural hydrated aluminosilicate or the hydrated aluminosilicate through processing, and wherein carrier is active carbon, fiber, polyester or natural rock.
7. be used for reducing the filtration article of the harmful components of gas, including hydrated aluminosilicate and carrier, is benchmark with the vehicle weight, and the amount of hydrated aluminosilicate is 0.001-35%, wherein said hydrated aluminosilicate itself is 100% in himself weight, consists of:
CaO 1.0-10％；
MgO 1.0-15％；
Fe
2O
3 3.0-15％；
K
2O 0.2-3.0％；
Al
2O
3 8-30％；
SiO
2 50-86.8％；
H
2O <9％。
8. filtration article according to claim 7, wherein said hydrated aluminosilicate itself is 100% in himself weight, consists of:
CaO 3.2-5.0
；
MgO 3.5-6.0
；
Fe
2O
3 5.0-7.0
；
K
2O 0.3-2.0
；
Al
2O
3 12.0-23.0
；
SiO
2 55.0-75.0
；
H
2O <9％。
9. according to claim 7 or 8 described filtration articles, wherein said gas is the flue gas that is produced when cigarette smoking.
10. according to claim 7 or 8 described filtration articles, wherein said gas is the flue gas that is produced when cigarette burning.
11. according to claim 7 or 8 described filtration articles, wherein said goods are that filter or cigarette prop up, wherein in cigarette props up, the hydrated aluminosilicate size is crossed 325 orders, ratio with 0.01%-5% evenly is added in the pipe tobacco, makes cigarette prop up before burning or self becomes a kind of filtration article in the combustion process.
12. according to claim 7 or 8 described filtration articles, wherein said goods are cigarette filter.
13. according to claim 7 or 8 described filtration articles, wherein said goods are breathing mask.
14. according to claim 7 or 8 described filtration articles, wherein said goods are cigar filter tip.
15. according to claim 7 or 8 described filtration articles, this filtration article is cylindricality, particle shape, hollow shape or multi-layer planar shape.
16. according to claim 7 or 8 described filtration articles, this filtration article is spherical.
17. according to claim 7 or 8 described filtration articles, wherein, be benchmark with the vehicle weight, the amount of the hydrated aluminosilicate that filtration article comprises is 0.05-25%.
18. according to claim 7 or 8 described filtration articles, wherein said hydrated aluminosilicate is natural hydrated aluminosilicate or the hydrated aluminosilicate through processing.
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| CNB2006100723097A CN100479912C (en) | 2006-04-12 | 2006-04-12 | Application of aluminosilicate hydrate and filter with aluminosilicate hydrate |
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