CN106621641B - A kind of tail gas clean-up material, preparation method and exhaust gas cleaner - Google Patents
A kind of tail gas clean-up material, preparation method and exhaust gas cleaner Download PDFInfo
- Publication number
- CN106621641B CN106621641B CN201611174582.0A CN201611174582A CN106621641B CN 106621641 B CN106621641 B CN 106621641B CN 201611174582 A CN201611174582 A CN 201611174582A CN 106621641 B CN106621641 B CN 106621641B
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- China
- Prior art keywords
- tail gas
- gas clean
- primogel
- nanoaperture
- platinum
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- 239000000463 material Substances 0.000 title claims abstract description 98
- 238000002360 preparation method Methods 0.000 title claims abstract description 36
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 72
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 36
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003863 metallic catalyst Substances 0.000 claims abstract description 27
- 239000003292 glue Substances 0.000 claims abstract description 23
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 14
- 229910052703 rhodium Inorganic materials 0.000 claims abstract description 14
- 239000010948 rhodium Substances 0.000 claims abstract description 14
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 229910052741 iridium Inorganic materials 0.000 claims abstract description 13
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 10
- 239000011572 manganese Substances 0.000 claims abstract description 10
- 230000003197 catalytic effect Effects 0.000 claims abstract description 9
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- -1 porosity is high Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 82
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 45
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 25
- 239000003054 catalyst Substances 0.000 claims description 25
- 239000002253 acid Substances 0.000 claims description 22
- 239000004964 aerogel Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 235000019441 ethanol Nutrition 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 238000010792 warming Methods 0.000 claims description 16
- 229910001868 water Inorganic materials 0.000 claims description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 12
- 239000000908 ammonium hydroxide Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 12
- 238000001291 vacuum drying Methods 0.000 claims description 12
- 239000005046 Chlorosilane Substances 0.000 claims description 10
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
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- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 claims description 4
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- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 239000004967 Metal oxide aerogel Substances 0.000 claims description 3
- 150000004645 aluminates Chemical class 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000006467 substitution reaction Methods 0.000 claims description 3
- 239000004966 Carbon aerogel Substances 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 2
- 230000000994 depressogenic effect Effects 0.000 claims 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 2
- 235000012239 silicon dioxide Nutrition 0.000 claims 2
- 239000010936 titanium Substances 0.000 claims 2
- 229910052719 titanium Inorganic materials 0.000 claims 2
- CWFXEZGOADTMDR-UHFFFAOYSA-N O1CCCC1.[Pt] Chemical compound O1CCCC1.[Pt] CWFXEZGOADTMDR-UHFFFAOYSA-N 0.000 claims 1
- NECJYEUWGPIOEN-UHFFFAOYSA-N [Pt].C(C=1C(C(=O)OCC)=CC=CC1)(=O)OCC Chemical compound [Pt].C(C=1C(C(=O)OCC)=CC=CC1)(=O)OCC NECJYEUWGPIOEN-UHFFFAOYSA-N 0.000 claims 1
- 150000002927 oxygen compounds Chemical class 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 31
- 229910002012 Aerosil® Inorganic materials 0.000 description 23
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 18
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- 229960004756 ethanol Drugs 0.000 description 13
- 229960000935 dehydrated alcohol Drugs 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- 230000006837 decompression Effects 0.000 description 10
- 238000010992 reflux Methods 0.000 description 10
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 5
- 230000000505 pernicious effect Effects 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- POFAUXBEMGMSAV-UHFFFAOYSA-N [Si].[Cl] Chemical compound [Si].[Cl] POFAUXBEMGMSAV-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000013257 coordination network Substances 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- NWYRNCMKWHKPAI-UHFFFAOYSA-N C(=O)=O.[Na] Chemical compound C(=O)=O.[Na] NWYRNCMKWHKPAI-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
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- 238000007254 oxidation reaction Methods 0.000 description 1
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Classifications
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Abstract
The present invention relates to field of exhaust gas purification, a kind of tail gas clean-up material, preparation method and exhaust gas cleaner are proposed.The tail gas clean-up material includes nanoaperture material and metallic catalyst.Metallic catalyst is distributed in nanoaperture material.Nanoaperture material is aeroge, xerogel or congeals glue, and metal catalytic object includes at least one of platinum, rhodium, iridium, palladium, copper, manganese or the alloy containing at least one of platinum, rhodium, iridium, palladium, copper, manganese.Furthermore the exhaust gas cleaner the invention further relates to a kind of preparation method of tail gas clean-up material and comprising the tail gas clean-up material.The large specific surface area of the tail gas clean-up material, porosity is high, and hole is small, and the tail gas clean-up material and the exhaust gas cleaner comprising the tail gas clean-up material have good cleaning, filtration to tail gas.
Description
Technical field
The present invention relates to a kind of field of exhaust gas purification, and in particular to a kind of tail gas clean-up material, preparation method and tail
Air purifying apparatus.
Background technique
The pernicious gases such as CO, HC and NOx of automobile discharge are changed into harmless dioxy often through oxidation and reduction
Change carbon, water and nitrogen and is discharged into atmosphere again.When the pernicious gas gas of high temperature passes through purification device, the cleanser in purification device will
The activity for enhancing tri- kinds of gas of CO, HC and NOx promotes it to carry out certain oxidationreduction chemical reaction, and wherein CO is at high temperature
It is oxidized into colourless, nontoxic carbon dioxide gas；HC compound is oxidized to water (H at high temperature2) and carbon dioxide O；NOx is also
Original is at nitrogen and oxygen.Three kinds of pernicious gases become innocuous gas, and exhaust gas is made to be purified.
Cleanser is made of carrier and catalyst.Carrier is generally made of aluminum oxide or micropore ceramics, and shape has
Spherical, multiple edge body shape and net-like spacer etc..Catalyst is metal platinum, rhodium, palladium etc..One of which is sprayed on carrier,
Just constitute cleanser.
It is very high due to doing catalyst price using noble metal, and catalyst is that graininess is sprayed at carrier surface, catalysis
Agent effective area is small, dosage is big, causes cost high.
Since the carrier of catalyst is generally made of aluminum oxide or micropore ceramics, the porosity of carrier is not high, compares table
Area is little, and pore scale is in the micron-scale.This discharges the fine particle in exhaust gas, causes environmental pollution.
Summary of the invention
The first object of the present invention is to provide a kind of tail gas clean-up material, this tail gas clean-up material hole with higher
Rate and specific surface area are high to the purification efficiency of tail gas.
The second object of the present invention is to provide a kind of preparation method of tail gas clean-up material have higher purification with preparation
The tail gas clean-up material of efficiency.
The third object of the present invention is to provide a kind of exhaust gas cleaner, this exhaust gas cleaner has lower cost
With higher tail gas clean-up rate.
The present invention solves its technical problem and adopts the following technical solutions to realize.
The present invention proposes a kind of tail gas clean-up material, and it includes nanoaperture material and metallic catalyst, metallic catalysts
Be distributed in nanoaperture material, nanoaperture material is aeroge, xerogel or congeals glue, metallic catalyst include platinum, rhodium,
At least one of iridium, palladium, copper, manganese or alloy containing at least one of platinum, rhodium, iridium, palladium, copper, manganese.
The present invention proposes a kind of preparation method of tail gas clean-up material comprising:
The nanoscale or micron particles of complex compound of the preparation comprising metallic catalyst or solution or metallic catalyst；
The initial soln of nanoaperture material is prepared, and by the complex compound comprising metallic catalyst or solution or metal catalytic
The nanoscale or micron particles of agent are added into the initial soln of nanoaperture material, mix, and standing obtains Primogel；With
And
Primogel is aged, solvent displacement, after hydrophilic or hydrophobic treatment, by being dried to obtain tail gas clean-up material
Material.
The present invention also provides a kind of exhaust gas cleaners comprising above-mentioned tail gas clean-up material.
The beneficial effect of the tail gas clean-up material of the embodiment of the present invention, preparation method and exhaust gas cleaner is: using receiving
The characteristics of metre hole gap material large specific surface area, high porosity, high temperature resistant, nanoscale hole, by catalyst and nanoaperture material
Tail gas clean-up material made of the initial soln premixing again of material.Main component is the nanoaperture material for carrying catalyst,
Filter effect is good, high catalytic efficiency.Tail gas clean-up material is set to exhaust gas cleaner, there is exhaust gas cleaner more preferable
Tail gas clean-up effect.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
The tail gas clean-up material and preparation method of the embodiment of the present invention are specifically described below.
A kind of tail gas clean-up material including the nanoaperture material as carrier and is distributed in the metal of nanoaperture material
Catalyst, nanoaperture material be aeroge, xerogel or congeal glue, metallic catalyst include platinum, rhodium, iridium, palladium, copper, in manganese
At least one or containing at least one of platinum, rhodium, iridium, palladium, copper, manganese alloy.Nanoaperture material and metallic catalyst
Volume ratio is 100~20000:1.Nanoaperture material has hole, and the scale of hole is 3nm~500nm.
Tail gas clean-up material can for catalyst nanoscale or micron particles with prepare nanoaperture material it is initial
Solution mixing system is standby to be formed；Tail gas clean-up material is also possible to through the complex compound or solution that will include metallic catalyst and preparation
The initial soln of nanoaperture material is mixed with, such as methyl vinyl silicone co-ordination complex, the platinum-tetrahydro of platinum
Furans complex compound, the diethyl phthalate co-ordination complex of platinum, the vinylsiloxane complex compound of platinum, chloroplatinic acid-octanol
The aqueous isopropanol of complex compound or chloroplatinic acid.
Nanoaperture material can be non-metal oxide aerogel, nonmetal oxide xerogel, nonmetal oxide
It congeals glue, metal oxide aerogel, metal oxide xerogel, metal oxide and congeals glue, organic aerogel, organic dry solidifying
Glue, it is organic congeal glue, carbon aerogels, carbon xerogel, carbon congeal glue, organic/inorganic composite aerogel, organic/inorganic composite dry
Gel, organic/inorganic are compound to congeal glue, inorganic/inorganic compounding aeroge, inorganic/inorganic compounding xerogel or inorganic/inorganic multiple
One of glue is congealed in conjunction.
Tail gas clean-up material provided in an embodiment of the present invention includes nanoaperture material, therefore has biggish specific surface
It accumulates, higher porosity, the particle in vehicle exhaust can be adsorbed effectively.CO, HC and NOx in vehicle exhaust etc. are harmful
Gas can become innocuous gas, and high catalytic efficiency under the metal catalytic object catalytic action in nanoaperture material.
The preparation method of tail gas clean-up material the following steps are included:
S1: the nanoscale or micron particles of complex compound of the preparation comprising metallic catalyst or solution or metallic catalyst.
Metallic catalyst can be at least one of platinum, rhodium, iridium, palladium, copper, manganese or containing in platinum, rhodium, iridium, palladium, copper, manganese at least one
The alloy of kind.The complex compound or solution of metallic catalyst can mix system with organic solvent by the salting liquid or acid solution of above-mentioned metal
, specific method is shown in following embodiment.
S2: the initial soln of preparation nanoaperture material, specific:
Tetraethyl silicate resin and ethyl alcohol is added by weight 1~5:1 in reaction vessel, adds water and appropriate hydrochloric acid,
55 DEG C~65 DEG C are heated to, is stirred 25~35 minutes, is cooled to 20 DEG C~25 DEG C, ammonium hydroxide adjustment pH value is added to 4~7, obtains
The initial soln of nanoaperture material.Prepare titania aerogel, alumina aerogels, zirconia aerogels when, with correspondence
Metatitanic acid rouge, Aluminate, zirconic acid rouge substitution such as above-mentioned tetraethyl silicate resin, prepare initial soln according to corresponding conventional technique.
Another preferred method are as follows: mix suitable formaldehyde and resorcinol, with the ratio of 1~2:2~3 with Carbon Dioxide
Sodium is catalyst, adds deionized water three times, is uniformly mixed under protection of argon gas, obtains the initial of nanoaperture material
Solution.
S3: the complex compound comprising metallic catalyst or solution is added to the initial soln of nanoaperture material again or metal is urged
The nanoscale or micron particles of agent continue to be stirred 10~20 minutes, stand, obtain Primogel.
S4: Primogel is aged, solvent displacement, after hydrophobic treatment, is dried and is carbonized as needed
Operation, obtains tail gas clean-up material.It is specific:
Above-mentioned Primogel is soaked in ethyl alcohol, heptane, in chlorosilane one by one, each soaking time 24~30 hours.It takes
Primogel is placed in gradient vacuum drying under reduced pressure case out, by 60000~90000 pa of pressure decompression step by step to normal pressure,
Temperature is gradually warming up to 230 DEG C~260 DEG C by 20 DEG C~25 DEG C simultaneously, and all processes totally 24~30 hours, each hour adjustment
Temperature, pressure is primary, adjusts the 1/24~1/30 of total variation every time, obtains tail gas clean-up material.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
Prepare the platinum complex of methyl vinyl silicone coordination:
Having reflux condenser, in the reaction unit of thermometer, 32gH is added2PtCl·6H2O and 210g
(Me2ViSi)2O filters off black precipitate (platinum black) and steams light grey acid solution in normal pressure and 120 DEG C of reflux 1h after cooling
Distilled water is washed till neutral (removing the acidic by-products containing chlorine) and anhydrous CaCl is then added2It is dry, filter out CaCl2Afterwards, platiniferous is obtained
2.2% and containing chlorine 0.43% methyl vinyl silicone coordination platinum complex catalyst it is spare.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 60g are mixed with suitable quantity of water in reaction vessel, add appropriate salt
Acid is heated to 60 DEG C, stirs 30 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains aerosil
Initial soln.
The platinum complex catalyst of above-mentioned preparation is added immediately in the initial soln of aerosil, continues to stir
Mixing 15 minutes stands, obtains Primogel.Obtained Primogel is soaked in ethyl alcohol, heptane, in chlorosilane one by one, often
Secondary soaking time 24 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, by 70000 pa of pressure gradually
It is decompressed to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, all processes 24 hours, each hour adjustment temperature pressure
Power is primary, adjusts the 1/24 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas clean-up material.
Embodiment 2
Prepare the platinum complex of methyl vinyl silicone coordination:
Having reflux condenser, in the reaction unit of thermometer, 32gH is added2PtCl·6H2O and 210g
(Me2ViSi)2O filters off black precipitate (platinum black) and steams light grey acid solution in normal pressure and 120 DEG C of reflux 1h after cooling
Distilled water is washed till neutral (removing the acidic by-products containing chlorine) and anhydrous CaCl is then added2It is dry, filter out CaCl2Afterwards, platiniferous is obtained
2.2% and containing chlorine 0.43% methyl vinyl silicone coordination platinum complex catalyst it is spare.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 150g are mixed with suitable quantity of water in reaction vessel, are added appropriate
Hydrochloric acid is heated to 60 DEG C, stirs 35 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains silica airsetting
The initial soln of glue.
The platinum complex catalyst of above-mentioned preparation is added immediately in the initial soln of aerosil, continues to stir
Mixing 20 minutes stands, obtains Primogel.Obtained Primogel is soaked in ethyl alcohol, heptane, in chlorosilane one by one, often
Secondary soaking time 28 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, by 80000 pa of pressure gradually
It is decompressed to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, all processes 28 hours, each hour adjustment temperature pressure
Power is primary, adjusts the 1/28 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas clean-up material.
Embodiment 3
Prepare the aqueous isopropanol of chloroplatinic acid:
By appropriate H2PtCl·6H2O is dissolved in 100ml anhydrous isopropyl alcohol, is sufficiently stirred at a certain temperature, its Quan Rong is made
A period of time is stood afterwards, is both obtained product, is finally orange solution.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 60g are mixed with suitable quantity of water in reaction vessel, add appropriate salt
Acid is heated to 60 DEG C, stirs 30 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains aerosil
Initial soln.
The aqueous isopropanol of the chloroplatinic acid of above-mentioned preparation is added immediately in the initial soln of aerosil, continues
It is stirred 15 minutes, stands, obtain Primogel.Obtained Primogel is soaked in ethyl alcohol, heptane, chlorosilane one by one
In, each soaking time 24 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, be opened by 70000 pa of pressure
Beginning decompression step by step is to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, and all processes 24 hours, each hour adjustment
Temperature, pressure is primary, adjusts the 1/24 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas clean-up material.
Embodiment 4
Prepare the aqueous isopropanol of chloroplatinic acid:
By appropriate H2PtCl·6H2O is dissolved in 100ml anhydrous isopropyl alcohol, is sufficiently stirred at a certain temperature, its Quan Rong is made
A period of time is stood afterwards, is both obtained product, is finally orange solution.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 150g are mixed with suitable quantity of water in reaction vessel, are added appropriate
Hydrochloric acid is heated to 60 DEG C, stirs 35 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains silica airsetting
The initial soln of glue.
The aqueous isopropanol of the chloroplatinic acid of above-mentioned preparation is added immediately in the initial soln of aerosil, continues
It is stirred 20 minutes, stands, obtain Primogel.Obtained Primogel is soaked in ethyl alcohol, heptane, chlorosilane one by one
In, each soaking time 24 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, be opened by 80000 pa of pressure
Beginning decompression step by step is to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, and all processes 28 hours, each hour adjustment
Temperature, pressure is primary, adjusts the 1/28 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas clean-up material.
Embodiment 5
Prepare the diethyl phthalate co-ordination complex of platinum:
In the there-necked flask with reflux condenser thermometer, 10gH is added2PtCl·6H2O and 200ml dehydrated alcohol,
Lead to dry N2Under, 80 DEG C of reflux 2h are warming up to, are then cooled to 40 DEG C, decompression steams ethyl alcohol, clear yellow viscous object is obtained, through chloroform
After extracting and removing solvent, solid product (extracting 10 times or so) is just obtained, 50g diethyl phthalate dissolved solid is added
Object filters off solid slag, obtains the co-ordination complex of the diethyl phthalate of platinum.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 60g are mixed with suitable quantity of water in reaction vessel, add appropriate salt
Acid is heated to 60 DEG C, stirs 30 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains aerosil
Initial soln.
The diethyl phthalate coordination network of above-mentioned preparation is added immediately in the initial soln of aerosil
Object is closed, continues to be stirred 15 minutes, stands, obtains Primogel.Obtained Primogel is soaked in ethyl alcohol, heptan one by one
In alkane, chlorosilane, each soaking time 24 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, by pressure
70000 pas start decompression step by step to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, and all processes 24 hours, often
A hour adjustment temperature, pressure is primary, adjusts the 1/24 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas
Scavenging material.
Embodiment 6
Prepare the diethyl phthalate co-ordination complex of platinum:
In the there-necked flask with reflux condenser thermometer, 10gH is added2PtCl·6H2O and 200ml dehydrated alcohol,
Lead to dry N2Under, 80 DEG C of reflux 2h are warming up to, are then cooled to 40 DEG C, decompression steams ethyl alcohol, clear yellow viscous object is obtained, through chloroform
After extracting and removing solvent, solid product (extracting 10 times or so) is just obtained, 50g diethyl phthalate dissolved solid is added
Object filters off solid slag, obtains the co-ordination complex of the diethyl phthalate of platinum.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 150g are mixed with suitable quantity of water in reaction vessel, are added appropriate
Hydrochloric acid is heated to 60 DEG C, stirs 35 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains silica airsetting
The initial soln of glue.
The diethyl phthalate coordination network of above-mentioned preparation is added immediately in the initial soln of aerosil
Object is closed, continues to be stirred 20 minutes, stands, obtains Primogel.Obtained Primogel is soaked in ethyl alcohol, heptan one by one
In alkane, chlorosilane, each soaking time 28 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, by pressure
80000 pas start decompression step by step to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, and all processes 28 hours, often
A hour adjustment temperature, pressure is primary, adjusts the 1/28 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas
Scavenging material.
Embodiment 7
Prepare the tetrahydrofuran complex of platinum:
In the reaction flask with reflux condenser and thermometer, 10gH is added2PtCl·6H2O and 200ml tetrahydrofuran,
In logical N2In the case where flow back 1h, Na is added after cooling2SO4It is dry, solid scoriform object is filtered off, the tetrahydrofuran coordination of platinum is obtained
Complex solution.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 60g are mixed with suitable quantity of water in reaction vessel, add appropriate salt
Acid is heated to 60 DEG C, stirs 30 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains aerosil
Initial soln.
The tetrahydrofuran complex solution of the platinum of above-mentioned preparation is added immediately in the initial soln of aerosil,
Continue to be stirred 15 minutes, stands, obtain Primogel.Obtained Primogel is soaked in ethyl alcohol, heptane, chlorine silicon one by one
In alkane, each soaking time 24 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, by 70000 pa of pressure
Start decompression step by step to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, all processes 24 hours, adjusts within each hour
Whole temperature, pressure is primary, adjusts the 1/24 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas clean-up material
Material.
Embodiment 8
Prepare the tetrahydrofuran complex of platinum:
In the reaction flask with reflux condenser and thermometer, 10gH is added2PtCl·6H2O and 200ml tetrahydrofuran,
In logical N2In the case where flow back 1h, Na is added after cooling2SO4It is dry, solid scoriform object is filtered off, the tetrahydrofuran coordination of platinum is obtained
Complex solution.
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 150g are mixed with suitable quantity of water in reaction vessel, are added appropriate
Hydrochloric acid is heated to 60 DEG C, stirs 35 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains silica airsetting
The initial soln of glue.
The tetrahydrofuran complex solution of the platinum of above-mentioned preparation is added immediately in the initial soln of aerosil,
Continue to be stirred 20 minutes, stands, obtain Primogel.Obtained Primogel is soaked in ethyl alcohol, heptane, chlorine silicon one by one
In alkane, each soaking time 28 hours；It takes out Primogel to be placed in gradient vacuum drying under reduced pressure case, by 80000 pa of pressure
Start decompression step by step to 10000 pas, while temperature is gradually warming up to 250 DEG C by 25 DEG C, all processes 28 hours, adjusts within each hour
Whole temperature, pressure is primary, adjusts the 1/28 of total variation every time.Obtain the aeroge of catalyst made from platonic, as tail gas clean-up material
Material.
Embodiment 9
The preparation of the initial soln of aerosil:
Addition tetraethyl silicate resin 150g, dehydrated alcohol 60g are mixed with suitable quantity of water in reaction vessel, add appropriate salt
Acid is heated to 60 DEG C, stirs 30 minutes, is cooled to 25 DEG C, and ammonium hydroxide adjustment pH value is added to 5.5, obtains aerosil
Initial soln.
The nano particle of platinum is added immediately in the initial soln of aerosil, continues to be stirred 15 minutes,
It stands, obtains Primogel.It should be understood that in other embodiments of the invention, the nano particle of platinum be also possible to rhodium, iridium, palladium,
The nanometer or micron particles of at least one of copper, manganese or the alloy containing at least one of platinum, rhodium, iridium, palladium, copper, manganese.
Obtained Primogel is soaked in ethyl alcohol, heptane, in chlorosilane one by one, each soaking time 24 hours；It takes out
Primogel is placed in gradient vacuum drying under reduced pressure case, and decompression step by step is to 10000 pas by 70000 pa of pressure, while temperature
Degree is gradually warming up to 250 DEG C by 25 DEG C, and all processes 24 hours, each hour adjustment temperature, pressure was primary, and adjustment is total every time becomes
The 1/24 of change amount.Obtain the aeroge of platiniferous, as tail gas clean-up material.
Embodiment 10
Prepare the aqueous isopropanol of chloroplatinic acid:
By appropriate H2PtCl·6H2O is dissolved in 100ml anhydrous isopropyl alcohol, is sufficiently stirred at a certain temperature, its Quan Rong is made
A period of time is stood afterwards, is both obtained product, is finally orange solution.
Prepare the initial soln of organic aerogel:
Suitable formaldehyde and resorcinol are mixed with 1:2 ratio, using natrium carbonicum calcinatum as catalyst, adds and goes three times
Ionized water is uniformly mixed under protection of argon gas, obtains initial soln.
Prepare organic aerogel and its drying:
The aqueous isopropanol of above-mentioned chloroplatinic acid is added in the initial soln of obtained organic aerogel, continues to be stirred
It 15 minutes, is put into sealing container.7 days (ageing) is stored in 85 DEG C of environment, obtains organic aerogel.By what is obtained after ageing
Organic aerogel impregnates l days (acidification) in 3% acetic acid solution.Solvent displacement is carried out by solvent of acetone again, specifically, will
Organic aerogel after acidification impregnates in acetone, impregnates 3 days, changes 1 acetone daily.Organic airsetting is obtained after solvent is replaced
Glue carries out half-sealed drying, until organic aerogel constant weight.
Carbonization operation:
Dry organic aerogel grind into powder will be obtained, is carbonized in tube furnace under inert gas protection.With 2h liter
Temperature is warming up to 400 DEG C with 1h to 250 DEG C of maintenance 2h, is warming up to l050 DEG C of holding 4h with 2h, and then natural cooling cools down, and obtains
The carbon-gas gel powder of black, as tail gas clean-up material.
It should be understood that in other embodiments, complex compound or solution used in above section embodiment containing platinum can also be with
It is containing solution or complex compound a kind of in rhodium, iridium, palladium, copper, manganese, drying therein or carbonized part can be omitted, contained
Have metallic catalyst congeals glue, to obtain tail gas clean-up material.Also, in other embodiments, as metallic catalyst
Carrier gel can by other natural nano porous materials or synthesize nanoaperture material replacement.
The following are the made tail gas clean-up materials of each embodiment to be applied to exhaust gas cleaner, and installs to laboratory vehicle,
NO in the tail gas measuredX, CO and HC content.And it is existing to the laboratory vehicle (blank group) and installation of not installing exhaust gas cleaner
Similar exhaust gas cleaner laboratory vehicle (control group) similarly test environment under test its tail gas.Its result such as 1 institute of table
Show:
Table 1
| NOX(10-6) | CO (%) | HC(10-6) | |
| Blank group | 2120 | 0.9 | 485 |
| Control group | 800 | 0.4 | 240 |
| Embodiment 1 | 550 | 0.25 | 100 |
| Embodiment 2 | 570 | 0.28 | 110 |
| Embodiment 3 | 500 | 0.25 | 95 |
| Embodiment 4 | 550 | 0.25 | 100 |
| Embodiment 5 | 525 | 0.26 | 110 |
| Embodiment 6 | 530 | 0.24 | 120 |
| Embodiment 7 | 510 | 0.22 | 100 |
| Embodiment 8 | 520 | 0.23 | 100 |
| Embodiment 9 | 590 | 0.3 | 130 |
| Embodiment 10 | 600 | 0.29 | 125 |
As can be seen from Table 1, the purification to pernicious gas in tail gas of each tail gas clean-up material is imitated in the embodiment of the present invention
Fruit is obvious, and is better than existing similar tail gas clean-up material.
In conclusion tail gas clean-up material provided by the embodiment of the present invention include nanoaperture material, therefore have compared with
Big specific surface area, higher porosity, the particle in vehicle exhaust can be adsorbed effectively.CO, HC in vehicle exhaust
It can become innocuous gas under the metal catalytic object catalytic action in nanoaperture material with pernicious gases such as NOx, and be catalyzed
It is high-efficient.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (7)
1. a kind of tail gas clean-up material, which is characterized in that it includes nanoaperture material and metallic catalyst, the metal catalytic
Agent is distributed in the nanoaperture material, and the nanoaperture material is aeroge, xerogel or congeals glue, and the metal is urged
Agent includes at least one of platinum, rhodium, iridium, palladium, copper, manganese or the alloy containing at least one of platinum, rhodium, iridium, palladium, copper, manganese,
Prepare the process of the tail gas clean-up material the following steps are included:
The nanoscale or micron particles of complex compound of the preparation comprising the metallic catalyst or solution or the metallic catalyst；
It prepares the initial soln of the nanoaperture material: tetraethyl silicate resin is added by weight 1~5:1 in reaction vessel
With ethyl alcohol, water and appropriate hydrochloric acid are added, is heated to 55 DEG C~65 DEG C, is stirred 25~35 minutes, is cooled to 20 DEG C~25 DEG C, adds
Enter ammonium hydroxide adjustment pH value to 4~7, obtains the initial soln of the nanoaperture material；
The complex compound comprising the metallic catalyst or solution or the gold is added to the initial soln of the nanoaperture material
The nanoscale or micron particles of metal catalyst continue to be stirred 10~20 minutes, stand, obtain Primogel；Prepare oxygen
Change titanium aeroge, it is described just with corresponding metatitanic acid rouge, Aluminate, zirconic acid rouge substitution when alumina aerogels, zirconia aerogels
Silicic acid tetrem rouge prepares Primogel according to corresponding conventional technique；And
The Primogel is aged, solvent displacement, hydrophobic treatment: the Primogel is soaked in ethyl alcohol, heptan one by one
In alkane, chlorosilane, each soaking time 24~30 hours；
It takes out the Primogel to be placed in gradient vacuum drying under reduced pressure case, gradually subtract by 60000~90000 pa of pressure
It is depressed into normal pressure, while temperature is gradually warming up to 230 DEG C~260 DEG C by 20 DEG C~25 DEG C, all processes totally 24~30 hours, each
Hour adjustment temperature, pressure is primary, adjusts the 1/24~1/30 of total variation every time, obtains the tail gas clean-up material.
2. tail gas clean-up material according to claim 1, which is characterized in that the nanoaperture material and the metal are urged
The volume ratio of agent is 100~20000:1.
3. tail gas clean-up material according to claim 1, which is characterized in that the nanoaperture material has hole, described
The scale of hole is 3nm~500nm.
4. tail gas clean-up material according to claim 1, which is characterized in that the complex compound of the metallic catalyst is the first of platinum
Base vinylsiloxane co-ordination complex, platinum-tetrahydrofuran complex, platinum diethyl phthalate co-ordination complex, platinum
Vinylsiloxane complex compound or chloroplatinic acid-octanol complex, the solution of the metallic catalyst be the isopropanol of chloroplatinic acid
Solution.
5. tail gas clean-up material according to claim 1, which is characterized in that preparing the nanoaperture material is nonmetallic oxygen
Compound aeroge, nonmetal oxide xerogel, nonmetal oxide congeal glue, metal oxide aerogel, metal oxide
Xerogel, metal oxide congeal glue, organic aerogel, organic xerogel, organic congeal glue, carbon aerogels, carbon xerogel, carbon
Congeal the compound glue, inorganic/inorganic congealed of glue, organic/inorganic composite aerogel, organic/inorganic composite xerogel, organic/inorganic
Composite aerogel, inorganic/inorganic compounding xerogel or inorganic/inorganic compounding congeal one of glue.
6. a kind of preparation method of the tail gas clean-up material as described in any one of claim 1 to 5, which is characterized in that the preparation
Method the following steps are included:
The nanoscale or micron particles of complex compound of the preparation comprising the metallic catalyst or solution or the metallic catalyst；
It prepares the initial soln of the nanoaperture material: tetraethyl silicate resin is added by weight 1~5:1 in reaction vessel
With ethyl alcohol, water and appropriate hydrochloric acid are added, is heated to 55 DEG C~65 DEG C, is stirred 25~35 minutes, is cooled to 20 DEG C~25 DEG C, adds
Enter ammonium hydroxide adjustment pH value to 4~7, obtains the initial soln of the nanoaperture material；
The complex compound comprising the metallic catalyst or solution or the gold is added to the initial soln of the nanoaperture material
The nanoscale or micron particles of metal catalyst continue to be stirred 10~20 minutes, stand, obtain Primogel；Prepare oxygen
Change titanium aeroge, it is described just with corresponding metatitanic acid rouge, Aluminate, zirconic acid rouge substitution when alumina aerogels, zirconia aerogels
Silicic acid tetrem rouge prepares Primogel according to corresponding conventional technique；And
The Primogel is aged, solvent displacement, hydrophobic treatment: the Primogel is soaked in ethyl alcohol, heptan one by one
In alkane, chlorosilane, each soaking time 24~30 hours；
It takes out the Primogel to be placed in gradient vacuum drying under reduced pressure case, gradually subtract by 60000~90000 pa of pressure
It is depressed into normal pressure, while temperature is gradually warming up to 230 DEG C~260 DEG C by 20 DEG C~25 DEG C, all processes totally 24~30 hours, each
Hour adjustment temperature, pressure is primary, adjusts the 1/24~1/30 of total variation every time, obtains the tail gas clean-up material.
7. a kind of exhaust gas cleaner, which is characterized in that the exhaust gas cleaner includes described in any one of claim 1 to 5
Tail gas clean-up material.
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| CN204601943U (en) * | 2015-05-06 | 2015-09-02 | 泉州三欣新材料科技有限公司 | The combined air cleaning unit of a kind of aeroge photocatalysis |
| CN105935590A (en) * | 2008-08-27 | 2016-09-14 | 优美科催化剂日本有限公司 | Exhaust gas purification catalyst and method for purifying exhaust gas by using same |
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| CN105935590A (en) * | 2008-08-27 | 2016-09-14 | 优美科催化剂日本有限公司 | Exhaust gas purification catalyst and method for purifying exhaust gas by using same |
| CN204601943U (en) * | 2015-05-06 | 2015-09-02 | 泉州三欣新材料科技有限公司 | The combined air cleaning unit of a kind of aeroge photocatalysis |
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