CN105413753A - Preparation method of bast fiber-carried titanium dioxide composite material powder - Google Patents
Preparation method of bast fiber-carried titanium dioxide composite material powder Download PDFInfo
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- CN105413753A CN105413753A CN201510742997.2A CN201510742997A CN105413753A CN 105413753 A CN105413753 A CN 105413753A CN 201510742997 A CN201510742997 A CN 201510742997A CN 105413753 A CN105413753 A CN 105413753A
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 87
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 54
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000001699 photocatalysis Effects 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 12
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229940043267 rhodamine b Drugs 0.000 claims abstract description 10
- FDRCDNZGSXJAFP-UHFFFAOYSA-M sodium chloroacetate Chemical compound [Na+].[O-]C(=O)CCl FDRCDNZGSXJAFP-UHFFFAOYSA-M 0.000 claims abstract description 9
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 7
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 7
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 7
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 7
- 238000005562 fading Methods 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000000967 suction filtration Methods 0.000 claims abstract description 7
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002904 solvent Substances 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 22
- 238000013019 agitation Methods 0.000 claims description 18
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 14
- 230000011987 methylation Effects 0.000 claims description 14
- 238000007069 methylation reaction Methods 0.000 claims description 14
- 238000010298 pulverizing process Methods 0.000 claims description 12
- 238000007146 photocatalysis Methods 0.000 claims description 9
- 230000015556 catabolic process Effects 0.000 claims description 7
- 238000006731 degradation reaction Methods 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- 238000005238 degreasing Methods 0.000 claims description 6
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 125000005909 ethyl alcohol group Chemical group 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000593 degrading effect Effects 0.000 abstract description 2
- 238000003760 magnetic stirring Methods 0.000 abstract 3
- 238000009210 therapy by ultrasound Methods 0.000 abstract 2
- 230000008595 infiltration Effects 0.000 abstract 1
- 238000001764 infiltration Methods 0.000 abstract 1
- 238000002604 ultrasonography Methods 0.000 abstract 1
- 238000005303 weighing Methods 0.000 abstract 1
- 240000008564 Boehmeria nivea Species 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000004042 decolorization Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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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
- B01J20/28014—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 form
- B01J20/28026—Particles within, immobilised, dispersed, entrapped in or on a matrix, e.g. a resin
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- B01J35/39—
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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Abstract
A preparation method of a bast fiber-carried titanium dioxide composite material powder comprises following steps: 1) collecting clean bast fibers, crushing the fibers before defatting the fibers with sodium hydroxide, and removing impurities for purifying; placing the bast fibers in a solvent for infiltration, carrying magnetic stirring and ultrasonic treatment with ultrasonic wave, adding dilute sulfuric acid, removing the sodium hydroxide, carrying out suction filtration, drying the fibers in an oven, taking out dried bast fibers, adding sodium chloroacetate to carry out carboxymethylation for the fibers so that carboxymethyl is generated on the surfaces of branches of the fibers, carrying out ultrasonic treatment after magnetic stirring, adjusting to neutrality, and drying the fibers in the oven; 2) weighing carboxymethyl cellulose, butyl titanate, absolute ethyl alcohol and dimethyl sulfoxide, placing them in a beaker, stirring them at room temperature prior to subjecting a mixture to ultrasound, carrying out magnetic stirring, and carrying out drying in a vacuum oven; 3) subjecting a powder to a photo-catalytic experimental test, determining degrading ability from fading of a simulated pollution source Rhodamine B, and bagging and storing the prepared composite fiber powder.
Description
Technical field
The present invention relates to a kind of flaxen fiber carried titanium dioxide composite powder and preparation method thereof, at carboxymethylated flaxen fiber carried titanium dioxide, make composite have photo-catalysis capability, belong to technical field of composite preparation.
Background technology
The process of traditional dyeing and finishing method of wastewater treatment is not ideal, and mainly because Wastewater Dyes molecular structure stabilized, complicated component, percent of decolourization, COD clearance are not high, easily produce secondary pollution.Utilize the photocatalysis performance of semi-conducting material just the organic matter that many chemical methods and bioanalysis cannot be removed can be decomposed into carbon dioxide and water completely at ambient temperature, and not causing secondary pollution, the ultraviolet light contained in its available sunshine and fluorescent lamp makes excitaton source.Current, for degrading in the catalyst of environmental contaminants, titanium dioxide relies on the features such as high, the indissoluble of its photocatalytic activity, nontoxic and cost are low to become most one of photochemical catalyst with application prospect, and has purifying air, kill bacterium, the effects such as degraded hardly degraded organic substance.But traditional nano-TiO
2suspended phase photochemical catalyst easy in inactivation, easily cohesion, the difficult shortcoming reclaimed, therefore find one and have comparatively bigger serface, again with TiO
2the high-efficient carrier material of strong bonded is the key of practical technology.
Be difficult to efficient removal for organic pollutant molecule in dyeing and printing sewage advanced treatment process and cause the problems such as recycling water utilization rate is low, in the urgent need to proposing or set up principle and the method for new and effective selective pollution abatement thing.Reaction platform based on nano material and Assembling of Nanoparticles, the interface of the special microenvironment of one class can be provided, by the interfacial interaction with organic pollutant molecule, under light action, trigger the special catalysis of this nano material or conversion effet, this kind of organic pollution is removed on safety, efficient selective ground.Fundamentally solve traditional treatment method for a long time under a large amount of concurrent conditions of general organic/inorganic thing cannot selective clearing low concentration, high toxicity, persistent organic pollutants a difficult problem.
Summary of the invention
The object of this invention is to provide a kind of flaxen fiber carried titanium dioxide composite powder and preparation method thereof, the mode of the flaxen fiber chemical load of the method makes titanium dioxide directly save on cellulose, makes load more firm; First natural ramie fiber is carried out except glue, sublimate process, recycling sodium chloroacetate carries out carboxy methylation on its surface, add butyl titanate and the absolute ethyl alcohol of certain proportioning again, active titanic dioxide is generated at fiber surface, as for dry in vacuum drying oven, obtain titanium dioxide/flaxen fiber based composites, obtained composite has stronger absorption property and good Photocatalytic Degradation Property in this way.
A kind of flaxen fiber carried titanium dioxide composite powder and preparation method thereof, is characterized in that it comprises the following steps:
1) by mass fraction, first obtain 1 ~ 2 part of pure flaxen fiber, each pulverizing 30-40 minute, then uses the sodium hydroxide solution of 10-15%wt to carry out degreasing, removal of impurities, sublimate to the flaxen fiber after pulverizing:
Flaxen fiber is put into the 10-15%wt sodium hydroxide solution solvent prepared to infiltrate, magnetic agitation 2 ~ 3 hours again, 3-5 part concentration 95% dilute sulfuric acid is added after using ultrasonic echography process 30-40min, make fibers mixture liquid furnishing pH value 2 ~ 3, remove NaOH, carrying out 5-10 suction filtration, fiber is put into baking oven inner drying 12-13 hour, carboxy methylation is carried out to the flaxen fiber handled well, take out the flaxen fiber of drying, the sodium chloroacetate adding 5-7 part carries out carboxy methylation to it, make fiber limb Surface Creation carboxymethyl, magnetic agitation 2-3 hour, ultrasonic process 2-3 hour, put into baking oven after modulation neutrality and dry 8-10 hour,
2) load of titanium dioxide: by mass fraction, take 0.5 ~ 1 part of carboxymethyl cellulose, measure 0.5 ~ 5 part of butyl titanate, 15 ~ 19.5 parts of absolute ethyl alcohols, 1 part of dimethyl sulfoxide (DMSO), put into beaker, stirring at room temperature 30-50min, 25-35 degree Celsius of ultrasonic 30-50min, then magnetic agitation 3-5 hour afterwards, as for dry 12h-14h in vacuum drying oven 60-70 degree Celsius, obtained flaxen fiber carried titanium dioxide composite powder;
3) get above-mentioned obtained powder and carry out photocatalysis experiment test, verify its photocatalytic, from fading of simulating pollution source rhodamine B, confirm degradation capability, the composite fibre powder made is packed, preserve.
The invention has the beneficial effects as follows: preparation method's process of the present invention is simple, institute obtains the plain based composites of titanium dioxide/flaxen fiber and has stronger absorption property and good Photocatalytic Degradation Property.Base material used is natural ramie fiber and laboratory titanium dioxide, flaxen fiber source is wide, cost is low, preparation technology is simple, obtained composite has good adsorption capacity, pollution sources are intended to rhodamine B under ultraviolet-visible light action, has good photocatalysis performance, on average in 120min, maintain 84.4%.
Detailed description of the invention
Below embodiments of the invention are further described.Following examples are only further described the application, should not be construed as the restriction to the application.
A kind of flaxen fiber carried titanium dioxide composite of the present invention and preparation method thereof, first natural ramie fiber is removed glue by the method, sublimate, again sodium chloroacetate good for proportioning is carried out carboxy methylation to it, tetraethyl titanate/absolute ethyl alcohol is added again by the carboxymethyl flaxen fiber cellulose solution prepared, generate titanium dioxide, it is made fully to react, it is dry that reaction terminates rear stirring, then to be placed in baking oven after 12-14h, obtained flaxen fiber carried titanium dioxide composite, again composite is taken a certain amount of, put into the rhodamine B prepared and intend pollution sources, under the irradiation of mercury lamp (ultraviolet-visible light), the degradation rate of evaluation and test rhodamine B.
Embodiment 1:
A preparation method for flaxen fiber carried titanium dioxide composite powder, it comprises the following steps:
1) by mass fraction, the flaxen fiber that first acquisition 1 part is pure, each pulverizing 30 minutes, then uses the NaOH of 10%wt to carry out degreasing, removal of impurities, sublimate to the flaxen fiber after pulverizing, flaxen fiber is put into the 10%wt NaOH solvent prepared to infiltrate, magnetic agitation 2 hours again, 3 parts of concentration 95% dilute sulfuric acids are added after using ultrasonic echography process 30min, make fibers mixture liquid furnishing pH value 2 ~ 3, remove NaOH, carrying out 5 suction filtrations, fiber is put into baking oven inner drying 12 hours, carboxy methylation is carried out to the flaxen fiber handled well, take out the flaxen fiber of drying, the sodium chloroacetate adding 5 parts carries out carboxy methylation to it, make fiber limb Surface Creation carboxymethyl, magnetic agitation 2 hours, ultrasonic process 2 hours, put into baking oven after modulation neutrality and dry 8 hours,
2) load of titanium dioxide: by mass fraction, take 0.5 part of carboxymethyl cellulose, measure 0.5 part of butyl titanate, 19.5 parts of absolute ethyl alcohols, 1 part of dimethyl sulfoxide (DMSO), puts into the beaker that volume is 100mL, stirring at room temperature 30min, 25 degrees Celsius of ultrasonic 30min, then magnetic agitation afterwards 3 hours, as dry 12h in vacuum drying oven 60 degrees Celsius;
3) get above-mentioned obtained powder and carry out photocatalysis experiment test, verify its photocatalytic, from fading of simulating pollution source rhodamine B, confirm degradation capability, the composite fibre powder made is packed, preserve.
Embodiment 2:
A preparation method for flaxen fiber carried titanium dioxide composite powder, it comprises the following steps:
1) by mass fraction, the flaxen fiber that first acquisition 1 part is pure, each pulverizing 35 minutes, then uses the NaOH of 12%wt to carry out degreasing, removal of impurities, sublimate to the flaxen fiber after pulverizing, flaxen fiber is put into the 12%wt sodium hydroxide solution prepared, magnetic agitation 2.5 hours again, 4 part of 95% dilute sulfuric acid is added after using ultrasonic echography process 35min, make fibers mixture liquid furnishing pH value 2 ~ 3, remove NaOH, carrying out 6 suction filtrations, fiber is put into baking oven inner drying 12.5 hours, carboxy methylation is carried out to the flaxen fiber handled well, take out the flaxen fiber of drying, the sodium chloroacetate adding 6 parts carries out carboxy methylation to it, make fiber limb Surface Creation carboxymethyl, magnetic agitation 2.5 hours, ultrasonic process 2.5 hours, put into baking oven after modulation neutrality and dry 9 hours,
2) load of titanium dioxide: by mass fraction, take 0.8 part of carboxymethyl cellulose, measure 1 part of butyl titanate, 18 parts of absolute ethyl alcohols, 1 part of dimethyl sulfoxide (DMSO), puts into the beaker that volume is 100mL, stirring at room temperature 40min, 30 degrees Celsius of ultrasonic 35min, then magnetic agitation afterwards 4 hours, as dry 13h in vacuum drying oven 65 degrees Celsius;
3) get above-mentioned obtained powder and carry out photocatalysis experiment test, verify its photocatalytic, from fading of simulating pollution source rhodamine B, confirm degradation capability, the composite fibre powder made is packed, preserve.
Embodiment 3:
A preparation method for flaxen fiber carried titanium dioxide composite powder, it comprises the following steps:
1) by mass fraction, the flaxen fiber that first acquisition 2 parts is pure, each pulverizing 40 minutes, then uses the NaOH of 13%wt to carry out degreasing, removal of impurities, sublimate to the flaxen fiber after pulverizing, flaxen fiber is put into the solvent prepared to infiltrate, magnetic agitation 3 hours again, 4 parts of concentration 95% dilute sulfuric acids are added after using ultrasonic echography process 30min, make fibers mixture liquid furnishing pH value 2 ~ 3, remove NaOH, carrying out 8 suction filtrations, fiber is put into baking oven inner drying 13 hours, carboxy methylation is carried out to the flaxen fiber handled well, take out the flaxen fiber of drying, add a certain amount of sodium chloroacetate and carboxy methylation is carried out to it, make fiber limb Surface Creation carboxymethyl, magnetic agitation 3 hours, ultrasonic process 3 hours, put into baking oven after modulation neutrality and dry 9 hours,
2) load of titanium dioxide: by mass fraction, take 0.5 part of carboxymethyl cellulose, measure 3 parts of butyl titanates, 18 parts of absolute ethyl alcohols, 1 part of dimethyl sulfoxide (DMSO), puts into the beaker that volume is 100mL, stirring at room temperature 30min, 25 degrees Celsius of ultrasonic 30min, then magnetic agitation afterwards 3 hours, as dry 12h in vacuum drying oven 60 degrees Celsius;
3) get above-mentioned obtained powder and carry out photocatalysis experiment test, verify its photocatalytic, from fading of simulating pollution source rhodamine B, confirm degradation capability, the composite fibre powder made is packed, preserve.
Embodiment 4:
A preparation method for flaxen fiber carried titanium dioxide composite powder, it comprises the following steps:
1) by mass fraction, the flaxen fiber that first acquisition 2 parts is pure, each pulverizing 40 minutes, then uses the NaOH of 15%wt to carry out degreasing, removal of impurities, sublimate to the flaxen fiber after pulverizing; Flaxen fiber is put into the solvent prepared to infiltrate, magnetic agitation 2 hours again, dilute sulfuric acid is added after using ultrasonic echography process 40min, make fibers mixture liquid furnishing pH value 2 ~ 3, remove NaOH, carrying out 10 suction filtrations, fiber is put into baking oven inner drying 13 hours, carry out carboxy methylation to the flaxen fiber handled well, take out the flaxen fiber of drying, the sodium chloroacetate adding 7 parts carries out carboxy methylation to it, make fiber limb Surface Creation carboxymethyl, magnetic agitation 2 hours, ultrasonic process 2 hours, puts into baking oven after modulation neutrality and dries 10 hours;
2) load of titanium dioxide: by mass fraction, take 1 part of carboxymethyl cellulose, measure 5 parts of butyl titanates, 15 parts of absolute ethyl alcohols, 1 part of dimethyl sulfoxide (DMSO), puts into the beaker that volume is 100mL, stirring at room temperature 50min, 35 degrees Celsius of ultrasonic 50min, then magnetic agitation afterwards 5 hours, as dry 14h in vacuum drying oven 70 degrees Celsius;
3) get above-mentioned obtained powder and carry out photocatalysis experiment test, verify its photocatalytic, from fading of simulating pollution source rhodamine B, confirm degradation capability, the composite fibre powder made is packed, preserve.
Claims (1)
1. a preparation method for flaxen fiber carried titanium dioxide composite powder, is characterized in that it comprises the following steps:
1) by mass fraction, first obtain 1 ~ 2 part of pure flaxen fiber, each pulverizing 30-40 minute, then uses the sodium hydroxide solution of 10-15%wt to carry out degreasing, removal of impurities, sublimate to the flaxen fiber after pulverizing:
Flaxen fiber is put into the 10-15%wt sodium hydroxide solution solvent prepared to infiltrate, magnetic agitation 2 ~ 3 hours again, 3-5 part concentration 95% dilute sulfuric acid is added after using ultrasonic echography process 30-40min, make fibers mixture liquid furnishing pH value 2 ~ 3, remove NaOH, carrying out 5-10 suction filtration, fiber is put into baking oven inner drying 12-13 hour, carboxy methylation is carried out to the flaxen fiber handled well, take out the flaxen fiber of drying, the sodium chloroacetate adding 5-7 part carries out carboxy methylation to it, make fiber limb Surface Creation carboxymethyl, magnetic agitation 2-3 hour, ultrasonic process 2-3 hour, put into baking oven after modulation neutrality and dry 8-10 hour,
2) load of titanium dioxide: by mass fraction, take 0.5 ~ 1 part of carboxymethyl cellulose, measure 0.5 ~ 5 part of butyl titanate, 15 ~ 19.5 parts of absolute ethyl alcohols, 1 part of dimethyl sulfoxide (DMSO), put into beaker, stirring at room temperature 30-50min, 25-35 degree Celsius of ultrasonic 30-50min, then magnetic agitation 3-5 hour afterwards, as for dry 12h-14h in vacuum drying oven 60-70 degree Celsius, obtained flaxen fiber carried titanium dioxide composite powder;
3) get above-mentioned obtained powder and carry out photocatalysis experiment test, verify its photocatalytic, from fading of simulating pollution source rhodamine B, confirm degradation capability, the composite fibre powder made is packed, preserve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510742997.2A CN105413753A (en) | 2015-11-05 | 2015-11-05 | Preparation method of bast fiber-carried titanium dioxide composite material powder |
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| CN201510742997.2A CN105413753A (en) | 2015-11-05 | 2015-11-05 | Preparation method of bast fiber-carried titanium dioxide composite material powder |
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| CN (1) | CN105413753A (en) |
Cited By (10)
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|---|---|---|---|---|
| CN106362705A (en) * | 2016-11-01 | 2017-02-01 | 内江师范学院 | Carboxymethyl cationic dye adsorption material prepared from paper pulp fiber, preparation method and application |
| CN108620031A (en) * | 2018-05-05 | 2018-10-09 | 安徽乐金环境科技有限公司 | A kind of preparation method of composite air purifying agent |
| CN108636104A (en) * | 2018-05-05 | 2018-10-12 | 安徽乐金环境科技有限公司 | A kind of composite air purifying agent |
| CN108671966A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of anion formaldehyde catalytic purification agent |
| CN108676374A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of the cellular plastic of catalytic degradation formaldehyde |
| CN108671746A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of compound air purification filter core and preparation method thereof |
| CN108671744A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of anion formaldehyde catalytic purification agent |
| CN109939745A (en) * | 2019-04-22 | 2019-06-28 | 南京林业大学 | A kind of nano-titanium dioxide/wood flour composite material and its preparation method and application |
| CN110331581A (en) * | 2019-05-31 | 2019-10-15 | 浙江理工大学 | A kind of preparation method of high-comfort multifunctional intellectual textile fabric |
| CN112121769A (en) * | 2020-08-18 | 2020-12-25 | 江苏大学 | Biomass-based composite material with double-layer structure and application of biomass-based composite material to tellurium separation in complex environment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362705A (en) * | 2016-11-01 | 2017-02-01 | 内江师范学院 | Carboxymethyl cationic dye adsorption material prepared from paper pulp fiber, preparation method and application |
| CN108620031A (en) * | 2018-05-05 | 2018-10-09 | 安徽乐金环境科技有限公司 | A kind of preparation method of composite air purifying agent |
| CN108636104A (en) * | 2018-05-05 | 2018-10-12 | 安徽乐金环境科技有限公司 | A kind of composite air purifying agent |
| CN108671966A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of anion formaldehyde catalytic purification agent |
| CN108676374A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of the cellular plastic of catalytic degradation formaldehyde |
| CN108671746A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of compound air purification filter core and preparation method thereof |
| CN108671744A (en) * | 2018-05-05 | 2018-10-19 | 安徽乐金环境科技有限公司 | A kind of preparation method of anion formaldehyde catalytic purification agent |
| CN109939745A (en) * | 2019-04-22 | 2019-06-28 | 南京林业大学 | A kind of nano-titanium dioxide/wood flour composite material and its preparation method and application |
| CN110331581A (en) * | 2019-05-31 | 2019-10-15 | 浙江理工大学 | A kind of preparation method of high-comfort multifunctional intellectual textile fabric |
| CN112121769A (en) * | 2020-08-18 | 2020-12-25 | 江苏大学 | Biomass-based composite material with double-layer structure and application of biomass-based composite material to tellurium separation in complex environment |
| CN112121769B (en) * | 2020-08-18 | 2023-03-21 | 江苏大学 | Biomass-based composite material with double-layer structure and application of biomass-based composite material to tellurium separation in complex environment |
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