CN108854963A - A kind of active carbon and preparation method thereof for formaldehyde adsorption - Google Patents
A kind of active carbon and preparation method thereof for formaldehyde adsorption Download PDFInfo
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- CN108854963A CN108854963A CN201810753633.8A CN201810753633A CN108854963A CN 108854963 A CN108854963 A CN 108854963A CN 201810753633 A CN201810753633 A CN 201810753633A CN 108854963 A CN108854963 A CN 108854963A
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- active carbon
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 338
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 116
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 80
- 238000002360 preparation method Methods 0.000 title claims abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 61
- 230000004048 modification Effects 0.000 claims abstract description 33
- 238000012986 modification Methods 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 229920000858 Cyclodextrin Polymers 0.000 claims abstract description 18
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 239000007795 chemical reaction product Substances 0.000 claims description 14
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 14
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 14
- 235000019394 potassium persulphate Nutrition 0.000 claims description 14
- 239000012153 distilled water Substances 0.000 claims description 12
- 229910001868 water Inorganic materials 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 239000002028 Biomass Substances 0.000 claims description 10
- 230000004913 activation Effects 0.000 claims description 9
- 238000004898 kneading Methods 0.000 claims description 9
- 239000004094 surface-active agent Substances 0.000 claims description 9
- 239000003077 lignite Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- 238000000498 ball milling Methods 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000000227 grinding Methods 0.000 claims description 7
- 239000011259 mixed solution Substances 0.000 claims description 7
- 238000000967 suction filtration Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000010903 husk Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 235000017060 Arachis glabrata Nutrition 0.000 claims description 2
- 244000105624 Arachis hypogaea Species 0.000 claims description 2
- 235000010777 Arachis hypogaea Nutrition 0.000 claims description 2
- 235000018262 Arachis monticola Nutrition 0.000 claims description 2
- 235000013162 Cocos nucifera Nutrition 0.000 claims description 2
- 244000060011 Cocos nucifera Species 0.000 claims description 2
- 240000007049 Juglans regia Species 0.000 claims description 2
- 235000009496 Juglans regia Nutrition 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 235000020232 peanut Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 235000020234 walnut Nutrition 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 229930040373 Paraformaldehyde Natural products 0.000 abstract description 8
- 229920002866 paraformaldehyde Polymers 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000015556 catabolic process Effects 0.000 abstract description 4
- 238000006731 degradation reaction Methods 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 230000003213 activating effect Effects 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000003610 charcoal Substances 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- DUIOKRXOKLLURE-UHFFFAOYSA-N 2-octylphenol Chemical compound CCCCCCCCC1=CC=CC=C1O DUIOKRXOKLLURE-UHFFFAOYSA-N 0.000 description 1
- 229920000856 Amylose Polymers 0.000 description 1
- 241000193830 Bacillus <bacterium> Species 0.000 description 1
- 108010025880 Cyclomaltodextrin glucanotransferase Proteins 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000035 biogenic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229940116318 copper carbonate Drugs 0.000 description 1
- GEZOTWYUIKXWOA-UHFFFAOYSA-L copper;carbonate Chemical compound [Cu+2].[O-]C([O-])=O GEZOTWYUIKXWOA-UHFFFAOYSA-L 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- -1 cyclic oligosaccharides Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000007529 inorganic bases Chemical group 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 229940076522 listerine Drugs 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- MGSRCZKZVOBKFT-UHFFFAOYSA-N thymol Chemical compound CC(C)C1=CC=C(C)C=C1O MGSRCZKZVOBKFT-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/06—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of zinc, cadmium or mercury
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The active carbon and preparation method thereof that the invention discloses a kind of for formaldehyde adsorption, raw material of the preparation for the active carbon of formaldehyde adsorption include by its parts by weight：70 parts~90 parts of carbon source, 5 parts~15 parts of tar, 1.5 parts~6.5 parts of nano zine oxide, 2 parts~8 parts of modification infusorial earth, 1 part~6 parts of cyclodextrin, 0.5 part~3.5 parts of neopelex.The adsorption capacity of active carbon prepared by the present invention for formaldehyde adsorption is strong, large amount of adsorption, activating and regenerating is not needed, reach the absorption degradation of PARA FORMALDEHYDE PRILLS(91,95) continuous and effective, with longer service life, and the raw material sources of active carbon are extensive, preparation method is simple, low production cost, is suitble to large-scale production application.
Description
Technical field
The present invention relates to field of material technology, and in particular to a kind of active carbon and preparation method thereof for formaldehyde adsorption.
Background technique
Formaldehyde is a kind of gas of colourless irritant smell, is one of main component of volatile organic matter, mainly answers
In timber processing, textile industry, listerine, because of its higher volatility and reactivity, have emphatically to human health
Big harm.Indoor formaldehyde pollution be mainly derived from furniture, building source, fabric, woodwork filler, cosmetics, detergent and
Personal belongings etc..Formaldehyde pollution problem focuses primarily upon in room, textile and food.Glue in indoor decoration material and furniture
Containing a large amount of Lauxite based on formaldehyde in the artificial boards such as plywood, fiberboard, particieboard, in all kinds of paint, coating all
Contain formaldehyde.
Use a variety of methods both at home and abroad to administer formaldehyde, including adsorption technology, photocatalysis technology, negative aeroion skill
Art, chemical neutralization technology, ozonation technology, biotechnology, room-temperature catalytic oxidation technology, material sealing technique etc..These
Technology respectively has advantage and disadvantage for different formaldehyde situations, and removes formaldehyde for interior, the removal in especially small space, using suction
Attached technology is one of current most important purification techniques, and active carbon is a kind of most common adsorbent, due to its gap abundant
Structure all has preferable adsorptivity to many substances.But the adsorption capacity of general acticarbon is smaller, in a few hours
Adsorption equilibrium will be reached, be unable to the control air quality of continuous and effective.
Chinese patent CN104324692A discloses a kind of preparation method of active carbon that can eliminate formaldehyde, and this method uses
Active carbon is adsorbent material, is modified by surfactant to active carbon, then with formaldehyde catching agent to modified activity
Charcoal carries out load processing, and by the active carbon after room temperature or freeze-drying load, the active carbon that can eliminate formaldehyde is prepared,
Middle surfactant is polyacrylamide and octyl phenol polyoxyethylene ether, and formaldehyde catching agent is inorganic base, organic base, low molecular weight
One of polymer containing functional group or a variety of.Compared with active agent, the standby active carbon of the patent system being capable of deep layer
Secondary elimination formaldehyde acts on absorption come formaldehyde using formaldehyde catching agent, and formation concentration of formaldehyde is poor, reaches and thoroughly eliminates first
The purpose of aldehyde and Long-Term Sorption formaldehyde, but the adsorption capacity of PARA FORMALDEHYDE PRILLS(91,95) is bad in the patent, the effect of long-time service is simultaneously paid no attention to
Think.
Chinese patent CN104353417A discloses a kind of removal formaldehyde activity charcoal, uses coaly activated carbon for carrier framework
Material, on it load have the basic copper carbonate of 0.5%~3% (weight), the manganese nitrate of 0.5%~3% (weight), 0.5%
The cerous nitrate of~3% (weight), the silver nitrate of 0.01%~0.1% (weight), 40%~60% (weight) adhesive tar,
During preparing active carbon, chemicals directly contacts mixing with coal dust, using press strip, charing, activation, prepares and removes
Formaldehyde active carbon.The patent is converted into the metal oxide with reactivity by the above metallic compound of heat-activated,
Catalysis occurs with formaldehyde to react, makes Formaldehyde decomposition CO2And H2O, but the absorption of the standby active carbon PARA FORMALDEHYDE PRILLS(91,95) of the patent system is urged
The activity for changing reaction is bad, and adsorption reaction ability at normal temperature is bad.
Therefore, the active carbon for being badly in need of that a kind of adsorption effect is obvious, the duration is long for formaldehyde adsorption and its preparation side
Method.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of active carbon and preparation method thereof for formaldehyde adsorption.
The present invention solve the above problems used by technical solution be：A kind of active carbon for formaldehyde adsorption, preparation are used
Include by its parts by weight in the raw material of the active carbon of formaldehyde adsorption：It is 70 parts~90 parts of carbon source, 5 parts~15 parts of tar, nano oxidized
1.5 parts~6.5 parts of zinc, 2 parts~8 parts of modification infusorial earth, 1 part~6 parts of cyclodextrin, neopelex 0.5 part~3.5
Part.Wherein, nano zine oxide forbidden band in room temperature is wider, cushion mobility is higher, thus its in room temperature with regard to light with higher
Catalytic degradation ability, non-toxic products can be degraded by catalytic to for the formaldehyde being adsorbed in active carbon by being supported in active carbon,
And active carbon is detached from, it can be achieved that long-acting absorption；Diatomite is a kind of biogenic siliceous sedimentary rock, there is the remains of ancient times diatom
Composition, with it is fine and smooth, loose, porous, absorb water and the strong property of permeability, can with formaldehyde adsorption, after being modified processing,
Its specific surface area can be improved, increase the adsorption capacity of PARA FORMALDEHYDE PRILLS(91,95), improve formaldehyde treated amount；Cyclodextrin is amylose by bud
A series of general name of the lower cyclic oligosaccharides generated of the cyclodextrin glycosyltransferase effect that spore bacillus generates, is capable of providing one
A hydrophobic binding sites as enzyme can control the long-term effect of PARA FORMALDEHYDE PRILLS(91,95) absorption, improve the service life of active carbon.
Further, it with weight ratio is 1 that carbon source, which is biomass and lignite,:6~12 mixture.Wherein, biomass is one
The carbon source of kind low-carbon hydrogen-rich, and lignite is a kind of carbon source of the poor hydrogen of rich carbon, the two, which is chosen specific weight ratio, to be mixed, Ke Yiti
The specific surface area of high activity charcoal increases the intensity of active carbon.
Further, biomass is selected from one of walnut shell, peanut shell, rice husk, coconut husk or at least two.
Further, the preparation method of modification infusorial earth includes：
Step i, diatomite is put into calcining furnace, is calcined 3 hours~4 hours at 550 DEG C~570 DEG C, and taking-up cools,
Obtain pretreated diatomite；
Step ii, by sodium lignin sulfonate, acrylamide, distilled water with 1:4~6:Steaming is dissolved in after 20 weight ratio mixing
In distilled water, mixed solution is obtained；
Step i is obtained diatomite and is added in the mixed liquor that step ii is obtained by step iii, adjust solution pH be 3~
5, potassium peroxydisulfate is added, is reacted 2.5 hours~3.5 hours at 70 DEG C~80 DEG C, obtains reaction product；
Step iv obtains modification infusorial earth by reaction product after suction filtration, washing, drying, grinding.
Further, in step iii, the weight ratio of diatomite, potassium peroxydisulfate and sodium lignin sulfonate is 1:1.5~3:
0.01~0.3.
Further, preparation includes by its parts by weight for the raw material of active carbon of formaldehyde adsorption：80 parts of carbon source, tar 10
Part, 4.0 parts of nano zine oxide, 5 parts of modification infusorial earth, 3.5 parts of cyclodextrin, 2.0 parts of neopelex.
Another goal of the invention of the invention is to provide a kind of preparation method of active carbon for formaldehyde adsorption, including such as
Lower step：
Step S10 weighs raw material of the preparation for the active carbon of formaldehyde adsorption by above-mentioned parts by weight, by above-mentioned parts by weight
Carbon source is placed in ball milling 15 minutes~30 minutes in ball mill, obtains partial size in 60 mesh~100 mesh carbon source particle；
Step S20, by tar, nano zine oxide, modification infusorial earth, cyclodextrin, the yin of carbon source particle and above-mentioned parts by weight
Ionic surface active agent is put into kneading machine, is sufficiently mixed after deionized water is added, and be put into hydraulic press and formed,
Obtain sample particle；
The obtained sample particle of step S20 is put into retort by step S30, with 0.5 DEG C/min~2 DEG C/min liter
Warm rate is warming up to 500 DEG C~600 DEG C, is kept for 2 hours~4 hours, the sample particle carbonized；
The sample particle of the obtained charing of step S30 is carried out steam-activation treatment, obtained for adsorbing by step S40
The active carbon of formaldehyde.
Further, in step S20, the temperature of kneading machine is 60 DEG C~80 DEG C.
Further, in step S20, the partial size of sample particle is 0.6mm~0.9mm.
Further, in step S40, the running parameter of steam-activation treatment：750 DEG C~850 DEG C of activation temperature, water steams
Vapour amount 3.5ml/min~4.0ml/min.
It is an advantage of the invention that：
1. the present invention chooses the biomass of specified weight ratio and lignite is carbon source to prepare active carbon, and is to live with water vapour
Agent is adjusted the pore structure of active carbon, improves the specific surface area and porosity of active carbon, increases PARA FORMALDEHYDE PRILLS(91,95)
Adsorption capacity；
2. the present invention contains nano zine oxide, the formaldehyde of absorption can be subjected to catalytic degradation at room temperature, keep formaldehyde de-
From activated carbon surface, reaches permanent effective effect, mentioned added with modification infusorial earth by the specific design feature of diatomite
The high adsorption capacity of active carbon PARA FORMALDEHYDE PRILLS(91,95), increases formaldehyde absorbing amount；
3. the adsorption capacity of the active carbon prepared by the present invention for formaldehyde adsorption is strong, large amount of adsorption, activation is not needed again
It is raw, reach the absorption degradation of PARA FORMALDEHYDE PRILLS(91,95) continuous and effective, there is longer service life, and the raw material sources of active carbon are extensive,
Preparation method is simple, low production cost, is suitble to large-scale production application.
Specific embodiment
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Embodiment 1
A kind of active carbon and preparation method thereof for formaldehyde adsorption
The raw material of active carbon of the preparation for formaldehyde adsorption include by its parts by weight：Biomass 10kg, lignite 60kg, tar
15kg, nano zine oxide 2.5kg, modification infusorial earth 4kg, cyclodextrin 1kg, neopelex 3.5kg.
The preparation method of modification infusorial earth includes：
Step i, diatomite is put into calcining furnace, is calcined 4 hours at 550 DEG C, taking-up cools, and obtains pretreated silicon
Diatomaceous earth；
Step ii, by sodium lignin sulfonate, acrylamide, distilled water with 1:4:Distilled water is dissolved in after 20 weight ratio mixing
In, obtain mixed solution；
Step i is obtained diatomite and is added in the mixed liquor that step ii is obtained by step iii, adjust solution pH be 3~
5, potassium peroxydisulfate is added, the weight ratio of control diatomite, potassium peroxydisulfate and sodium lignin sulfonate is 1:1.5:0.01, at 70 DEG C
Reaction 3.5 hours, obtains reaction product；
Step iv obtains modification infusorial earth by reaction product after suction filtration, washing, drying, grinding.
For the active carbon of formaldehyde adsorption, it is prepared via a method which：
Step S10 weighs raw material of the preparation for the active carbon of formaldehyde adsorption by above-mentioned parts by weight, by above-mentioned parts by weight
Carbon source is placed in ball milling 15 minutes in ball mill, obtains partial size in 80 mesh~100 mesh carbon source particle；
Step S20, by tar, nano zine oxide, modification infusorial earth, cyclodextrin, the yin of carbon source particle and above-mentioned parts by weight
Ionic surface active agent is put into kneading machine, controlled at 60 DEG C, is sufficiently mixed after deionized water is added, and be put into liquid
It is formed in press, obtains the sample particle that partial size is 0.6mm；
The obtained sample particle of step S20 is put into retort by step S30, is heated up with the heating rate of 0.5 DEG C/min
To 500 DEG C, kept for 4 hours, the sample particle carbonized；
The sample particle of the obtained charing of step S30 is carried out steam-activation treatment, activation temperature 750 by step S40
DEG C, water vapour amount 4.0ml/min obtains the active carbon for formaldehyde adsorption.
It is inhaled according to performance of the relevant national standard GB50325-2010 to the active carbon for formaldehyde adsorption of preparation
Attached experiment：20.5 ± 0.4 DEG C of temperature, humidity are 50.1 ± 7.5%, and test environment is 40cm × 40cm × 60cm test box,
Adsorption production taken amount 16g.
As the result is shown：It is 0.734mg/m in concentration of formaldehyde3When, the active carbon for formaldehyde adsorption of unit mass is 150
Concentration of formaldehyde the used time about 120 minutes, is down to the 0.1mg/m of national standard up to 3.22 μ g/g by the adsorbance of formaldehyde in minute3；
It is 0.368mg/m in concentration of formaldehyde3When, the used time about 95 minutes, concentration of formaldehyde is down to the 0.1mg/m of national standard3。
Embodiment 2
A kind of active carbon and preparation method thereof for formaldehyde adsorption
The raw material of active carbon of the preparation for formaldehyde adsorption include by its parts by weight：Biomass 6kg, lignite 72kg, tar
13kg, nano zine oxide 3.5kg, modification infusorial earth 2kg, cyclodextrin 3kg, neopelex 2.5kg.
The preparation method of modification infusorial earth includes：
Step i, diatomite is put into calcining furnace, is calcined 3.8 hours at 555 DEG C, taking-up cools, and obtains pretreated
Diatomite；
Step ii, by sodium lignin sulfonate, acrylamide, distilled water with 1:4.5:Distillation is dissolved in after 20 weight ratio mixing
In water, mixed solution is obtained；
Step i is obtained diatomite and is added in the mixed liquor that step ii is obtained by step iii, adjust solution pH be 3~
5, potassium peroxydisulfate is added, the weight ratio of control diatomite, potassium peroxydisulfate and sodium lignin sulfonate is 1:2.0:0.05, at 75 DEG C
Reaction 3.0 hours, obtains reaction product；
Step iv obtains modification infusorial earth by reaction product after suction filtration, washing, drying, grinding.
For the active carbon of formaldehyde adsorption, it is prepared via a method which：
Step S10 weighs raw material of the preparation for the active carbon of formaldehyde adsorption by above-mentioned parts by weight, by above-mentioned parts by weight
Carbon source is placed in ball milling 30 minutes in ball mill, obtains partial size in 60 mesh~80 mesh carbon source particle；
Step S20, by tar, nano zine oxide, modification infusorial earth, cyclodextrin, the yin of carbon source particle and above-mentioned parts by weight
Ionic surface active agent is put into kneading machine, controlled at 65 DEG C, is sufficiently mixed after deionized water is added, and be put into liquid
It is formed in press, obtains the sample particle that partial size is 0.7mm；
The obtained sample particle of step S20 is put into retort by step S30, is heated up with the heating rate of 1.0 DEG C/min
To 520 DEG C, kept for 3.5 hours, the sample particle carbonized；
The sample particle of the obtained charing of step S30 is carried out steam-activation treatment, activation temperature 780 by step S40
DEG C, water vapour amount 3.5ml/min obtains the active carbon for formaldehyde adsorption.
It is inhaled according to performance of the relevant national standard GB50325-2010 to the active carbon for formaldehyde adsorption of preparation
Attached experiment：20.5 ± 0.4 DEG C of temperature, humidity are 50.1 ± 7.5%, and test environment is 40cm × 40cm × 60cm test box,
Adsorption production taken amount 16g.
As the result is shown：It is 0.682mg/m in concentration of formaldehyde3When, the active carbon for formaldehyde adsorption of unit mass is 150
Concentration of formaldehyde the used time about 110 minutes, is down to the 0.1mg/m of national standard up to 3.11 μ g/g by the adsorbance of formaldehyde in minute3；
It is 0.345mg/m in concentration of formaldehyde3When, the used time about 90 minutes, concentration of formaldehyde is down to the 0.1mg/m of national standard3。
Embodiment 3
A kind of active carbon and preparation method thereof for formaldehyde adsorption
The raw material of active carbon of the preparation for formaldehyde adsorption include by its parts by weight：Biomass 9kg, lignite 72kg, tar
8kg, nano zine oxide 6.5kg, modification infusorial earth 8kg, cyclodextrin 5kg, neopelex 1.5kg.
The preparation method of modification infusorial earth includes：
Step i, diatomite is put into calcining furnace, is calcined 3.2 hours at 565 DEG C, taking-up cools, and obtains pretreated
Diatomite；
Step ii, by sodium lignin sulfonate, acrylamide, distilled water with 1:5.5:Distillation is dissolved in after 20 weight ratio mixing
In water, mixed solution is obtained；
Step i is obtained diatomite and is added in the mixed liquor that step ii is obtained by step iii, adjust solution pH be 3~
5, potassium peroxydisulfate is added, the weight ratio of control diatomite, potassium peroxydisulfate and sodium lignin sulfonate is 1:2.5:0.2, at 78 DEG C
Reaction 2.5 hours, obtains reaction product；
Step iv obtains modification infusorial earth by reaction product after suction filtration, washing, drying, grinding.
For the active carbon of formaldehyde adsorption, it is prepared via a method which：
Step S10 weighs raw material of the preparation for the active carbon of formaldehyde adsorption by above-mentioned parts by weight, by above-mentioned parts by weight
Carbon source is placed in ball milling 20 minutes in ball mill, obtains partial size in 80 mesh~100 mesh carbon source particle；
Step S20, by tar, nano zine oxide, modification infusorial earth, cyclodextrin, the yin of carbon source particle and above-mentioned parts by weight
Ionic surface active agent is put into kneading machine, controlled at 75 DEG C, is sufficiently mixed after deionized water is added, and be put into liquid
It is formed in press, obtains the sample particle that partial size is 0.8mm；
The obtained sample particle of step S20 is put into retort by step S30, is heated up with the heating rate of 1.5 DEG C/min
To 580 DEG C, kept for 2.5 hours, the sample particle carbonized；
The sample particle of the obtained charing of step S30 is carried out steam-activation treatment, activation temperature 820 by step S40
DEG C, water vapour amount 3.8ml/min obtains the active carbon for formaldehyde adsorption.
It is inhaled according to performance of the relevant national standard GB50325-2010 to the active carbon for formaldehyde adsorption of preparation
Attached experiment：20.5 ± 0.4 DEG C of temperature, humidity are 50.1 ± 7.5%, and test environment is 40cm × 40cm × 60cm test box,
Adsorption production taken amount 16g.
As the result is shown：It is 0.695mg/m in concentration of formaldehyde3When, the active carbon for formaldehyde adsorption of unit mass is 150
Concentration of formaldehyde the used time about 130 minutes, is down to the 0.1mg/m of national standard up to 3.16 μ g/g by the adsorbance of formaldehyde in minute3；
It is 0.357mg/m in concentration of formaldehyde3When, the used time about 85 minutes, concentration of formaldehyde is down to the 0.1mg/m of national standard3。
Embodiment 4
A kind of active carbon and preparation method thereof for formaldehyde adsorption
The raw material of active carbon of the preparation for formaldehyde adsorption include by its parts by weight：Biomass 9kg, lignite 81kg, tar
5kg, nano zine oxide 1.5kg, modification infusorial earth 6kg, cyclodextrin 6kg, neopelex 0.5kg.
The preparation method of modification infusorial earth includes：
Step i, diatomite is put into calcining furnace, is calcined 3 hours at 570 DEG C, taking-up cools, and obtains pretreated silicon
Diatomaceous earth；
Step ii, by sodium lignin sulfonate, acrylamide, distilled water with 1:6:Distilled water is dissolved in after 20 weight ratio mixing
In, obtain mixed solution；
Step i is obtained diatomite and is added in the mixed liquor that step ii is obtained by step iii, adjust solution pH be 3~
5, potassium peroxydisulfate is added, the weight ratio of control diatomite, potassium peroxydisulfate and sodium lignin sulfonate is 1:3:0.3, it is anti-at 80 DEG C
It answers 2.5 hours, obtains reaction product；
Step iv obtains modification infusorial earth by reaction product after suction filtration, washing, drying, grinding.
For the active carbon of formaldehyde adsorption, it is prepared via a method which：
Step S10 weighs raw material of the preparation for the active carbon of formaldehyde adsorption by above-mentioned parts by weight, by above-mentioned parts by weight
Carbon source is placed in ball milling 25 minutes in ball mill, obtains partial size in 60 mesh~100 mesh carbon source particle；
Step S20, by tar, nano zine oxide, modification infusorial earth, cyclodextrin, the yin of carbon source particle and above-mentioned parts by weight
Ionic surface active agent is put into kneading machine, controlled at 80 DEG C, is sufficiently mixed after deionized water is added, and be put into liquid
It is formed in press, obtains the sample particle that partial size is 0.9mm；
The obtained sample particle of step S20 is put into retort, is warming up to the heating rate of 2 DEG C/min by step S30
It 600 DEG C, is kept for 2 hours, the sample particle carbonized；
The sample particle of the obtained charing of step S30 is carried out steam-activation treatment, activation temperature 850 by step S40
DEG C, water vapour amount 4.0ml/min obtains the active carbon for formaldehyde adsorption.
It is inhaled according to performance of the relevant national standard GB50325-2010 to the active carbon for formaldehyde adsorption of preparation
Attached experiment：20.5 ± 0.4 DEG C of temperature, humidity are 50.1 ± 7.5%, and test environment is 40cm × 40cm × 60cm test box,
Adsorption production taken amount 16g.
As the result is shown：It is 0.688mg/m in concentration of formaldehyde3When, the active carbon for formaldehyde adsorption of unit mass is 150
Concentration of formaldehyde the used time about 120 minutes, is down to the 0.1mg/m of national standard up to 3.08 μ g/g by the adsorbance of formaldehyde in minute3；
It is 0.326mg/m in concentration of formaldehyde3When, the used time about 80 minutes, concentration of formaldehyde is down to the 0.1mg/m of national standard3。
Embodiment 5
A kind of active carbon and preparation method thereof for formaldehyde adsorption
The raw material of active carbon of the preparation for formaldehyde adsorption include by its parts by weight：Carbon source 80kg, tar 10kg, nano oxygen
Change zinc 4.0kg, modification infusorial earth 5kg, cyclodextrin 3.5kg, neopelex 2.0kg.
The preparation method of modification infusorial earth includes：
Step i, diatomite is put into calcining furnace, is calcined 3.5 hours at 5560 DEG C, taking-up cools, and is pre-processed
Diatomite；
Step ii, by sodium lignin sulfonate, acrylamide, distilled water with 1:5:Distilled water is dissolved in after 20 weight ratio mixing
In, obtain mixed solution；
Step i is obtained diatomite and is added in the mixed liquor that step ii is obtained by step iii, adjust solution pH be 3~
5, potassium peroxydisulfate is added, the weight ratio of control diatomite, potassium peroxydisulfate and sodium lignin sulfonate is 1:2.5:0.15, at 750 DEG C
Lower reaction 3 hours, obtains reaction product；
Step iv obtains modification infusorial earth by reaction product after suction filtration, washing, drying, grinding.
For the active carbon of formaldehyde adsorption, it is prepared via a method which：
Step S10 weighs raw material of the preparation for the active carbon of formaldehyde adsorption by above-mentioned parts by weight, by above-mentioned parts by weight
Carbon source is placed in ball milling 20 minutes in ball mill, obtains partial size in 80 mesh~100 mesh carbon source particle；
Step S20, by tar, nano zine oxide, modification infusorial earth, cyclodextrin, the yin of carbon source particle and above-mentioned parts by weight
Ionic surface active agent is put into kneading machine, controlled at 70 DEG C, is sufficiently mixed after deionized water is added, and be put into liquid
It is formed in press, obtains the sample particle that partial size is 0.8mm；
The obtained sample particle of step S20 is put into retort by step S30, is heated up with the heating rate of 1.2 DEG C/min
To 550 DEG C, kept for 3 hours, the sample particle carbonized；
The sample particle of the obtained charing of step S30 is carried out steam-activation treatment, activation temperature 800 by step S40
DEG C, water vapour amount 3.8ml/min obtains the active carbon for formaldehyde adsorption.
It is inhaled according to performance of the relevant national standard GB50325-2010 to the active carbon for formaldehyde adsorption of preparation
Attached experiment：20.5 ± 0.4 DEG C of temperature, humidity are 50.1 ± 7.5%, and test environment is 40cm × 40cm × 60cm test box,
Adsorption production taken amount 16g.
As the result is shown：It is 0.763mg/m in concentration of formaldehyde3When, the active carbon for formaldehyde adsorption of unit mass is 150
Concentration of formaldehyde the used time about 120 minutes, is down to the 0.1mg/m of national standard up to 3.24 μ g/g by the adsorbance of formaldehyde in minute3；
It is 0.384mg/m in concentration of formaldehyde3When, the used time about 90 minutes, concentration of formaldehyde is down to the 0.1mg/m of national standard3。
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of active carbon for formaldehyde adsorption, which is characterized in that the raw material of the preparation active carbon for formaldehyde adsorption
Include by its parts by weight：70 parts~90 parts of carbon source, 5 parts~15 parts of tar, 1.5 parts of nano zine oxide~6.5 parts, modification infusorial earth
2 parts~8 parts, 1 part~6 parts of cyclodextrin, 0.5 part~3.5 parts of neopelex.
2. the active carbon according to claim 1 for formaldehyde adsorption, which is characterized in that the carbon source is biomass and brown
Coal is with weight ratio for 1:6~12 mixture.
3. the active carbon according to claim 2 for formaldehyde adsorption, which is characterized in that the biomass is selected from walnut
One of shell, peanut shell, rice husk, coconut husk or at least two.
4. the active carbon according to claim 1 for formaldehyde adsorption, which is characterized in that the preparation of the modification infusorial earth
Method includes：
Step i, diatomite is put into calcining furnace, is calcined 3 hours~4 hours at 550 DEG C~570 DEG C, taking-up cools, and obtains
Pretreated diatomite；
Step ii, by sodium lignin sulfonate, acrylamide, distilled water with 1:4~6:Distilled water is dissolved in after 20 weight ratio mixing
In, obtain mixed solution；
Step i is obtained diatomite and is added in the mixed liquor that step ii is obtained by step iii, and the pH for adjusting solution is 3~5, is added
Enter potassium peroxydisulfate, is reacted 2.5 hours~3.5 hours at 70 DEG C~80 DEG C, obtain reaction product；
Step iv obtains modification infusorial earth by reaction product after suction filtration, washing, drying, grinding.
5. the active carbon according to claim 4 for formaldehyde adsorption, which is characterized in that in step iii, the diatom
The weight ratio of soil, potassium peroxydisulfate and sodium lignin sulfonate is 1:1.5~3:0.01~0.3.
6. the active carbon according to claim 1 for formaldehyde adsorption, which is characterized in that preparation is described to be used for formaldehyde adsorption
The raw material of active carbon include by its parts by weight：80 parts of carbon source, 10 parts of tar, 4.0 parts of nano zine oxide, 5 parts of modification infusorial earth,
3.5 parts of cyclodextrin, 2.0 parts of neopelex.
7. it is a kind of according to claim 1~any one of 6 described in for formaldehyde adsorption active carbon preparation method, feature
It is, includes the following steps：
Step S10 weighs raw material of the preparation for the active carbon of formaldehyde adsorption by the parts by weight, by the carbon source of the parts by weight
Ball milling 15 minutes~30 minutes in ball mill are placed in, obtain partial size in 60 mesh~100 mesh carbon source particle；
Step S20, by tar, nano zine oxide, modification infusorial earth, cyclodextrin, the anion of carbon source particle and the parts by weight
Surfactant is put into kneading machine, is sufficiently mixed, and be put into hydraulic press and formed, is obtained after deionized water is added
Sample particle；
The obtained sample particle of step S20 is put into retort by step S30, with 0.5 DEG C/min~2 DEG C/min heating speed
Rate is warming up to 500 DEG C~600 DEG C, is kept for 2 hours~4 hours, the sample particle carbonized；
The sample particle of the obtained charing of step S30 is carried out steam-activation treatment, obtained for formaldehyde adsorption by step S40
Active carbon.
8. preparation method according to claim 7, which is characterized in that in step S20, the temperature of the kneading machine is 60 DEG C
~80 DEG C.
9. preparation method according to claim 7, which is characterized in that in step S20, the partial size of the sample particle is
0.6mm~0.9mm.
10. preparation method according to claim 7, which is characterized in that in step S40, the steam-activation treatment
Running parameter：750 DEG C~850 DEG C of activation temperature, water vapour amount 3.5ml/min~4.0ml/min.
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Application publication date: 20181123 |