CN104549145A - Titanium dioxide/lignocellulose-based active carbon composite material and preparation method thereof - Google Patents

Titanium dioxide/lignocellulose-based active carbon composite material and preparation method thereof Download PDF

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CN104549145A
CN104549145A CN201410717352.9A CN201410717352A CN104549145A CN 104549145 A CN104549145 A CN 104549145A CN 201410717352 A CN201410717352 A CN 201410717352A CN 104549145 A CN104549145 A CN 104549145A
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titanium dioxide
preparation
carbon composite
solution
lignocellulose
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万军民
魏猛
胡智文
杨子昂
刘建军
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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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
    • 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
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/18—Carbon
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42—Materials comprising a mixture of inorganic materials
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character

Abstract

The invention relates to a titanium dioxide/lignocellulose-based active carbon composite material and a preparation method thereof. The method comprises the following steps of firstly, preparing faint yellow transparent TiO2 sol by using tetrabutyl titanate, then, dissolving tetrabutyl titanate into a prepared lignocellulose solution, sufficiently reacting tetrabutyl titanate, filtering a liquid on the upper layer after ending the reaction and settling, then, standing in the air for 12-36 hours, next, respectively and alternately washing and filtering by using distilled water and absolute ethyl alcohol until the filtrate is neutral, and drying a product in a vacuum drying oven to prepare a titanium dioxide/lignocellulose composite material; and then, pre-oxidizing, carbonizing and activating the composite material to prepare the titanium dioxide/lignocellulose-based active carbon composite material with efficient adsorption and catalysis performance. The preparation method disclosed by the invention is simple in process; and the obtained titanium dioxide/lignocellulose-based active carbon composite material has relatively-strong adsorption performance and relatively-good photocatalytic degradation performance and has the advantage of catalyzing organic pollutants in wastewater or air.

Description

A kind of titanium dioxide/lignocellulosic matrix activated carbon composite and preparation method thereof
Technical field
The present invention relates to a kind of titanium dioxide/lignocellulosic matrix activated carbon composite and preparation method thereof, belong to absorbent charcoal composite material technology of preparing.
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.Absorbent charcoal material, as a kind of desirable sorbing material, is grow up on the basis that Carbon fibe technology and activated carbon technology combine.Active carbon has larger pore capacities and specific area, and based on micropore, therefore, is conducive to adsorbate and diffuses in hand-hole and active surface, and active carbon demonstrates higher adsorption capacity and adsorption/desorption speed faster.This active carbon is utilized effectively to adsorb and to remove the dyestuff, slurry, auxiliary agent, finish, soda acid, fiber impurity, inorganic salts etc. in sewage.
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 removal low concentration, high toxicity, persistent organic pollutants a difficult problem.
Summary of the invention
The present invention is in order to overcome above-mentioned the deficiencies in the prior art, and object there is provided a kind of titanium dioxide/lignocellulosic matrix activated carbon composite and preparation method thereof, and obtained composite has stronger absorption property and good Photocatalytic Degradation Property in this way.
To achieve these goals, the technical solution used in the present invention is:
A preparation method for titanium dioxide/lignocellulosic matrix activated carbon composite, is characterized in that: first butyl titanate is made faint yellow Ti0 by the method 2vitreosol, then added in the wood fibre cellulose solution for preparing, make it fully react, reaction terminate and precipitation after after leaching supernatant liquid, then be placed in air and place 12 ~ 36h, then replace washing and filtering with distilled water, absolute ethyl alcohol respectively, until filtrate is in neutral; Resulting product is placed in vacuum drying oven dry 4 ~ 8h under 50 ~ 80 DEG C of conditions, obtained titanium dioxide/lignocellulose composites; Again by titanium dioxide/lignocellulose composites through pre-oxidation, charing and activation process, be prepared into the titanium dioxide/lignocellulosic matrix activated carbon composite with efficient adsorption and catalytic performance; The method comprises the following steps:
1) TiO 2 sol preparation: 15 ~ 30 parts of butyl titanates and 5 ~ 15 parts of glacial acetic acid are dissolved in 50 ~ 80 parts of absolute ethyl alcohols, magnetic agitation 0.5 ~ 2h makes it to mix, in the mixed solution of slow instillation 80 ~ 95 parts of absolute ethyl alcohols and 5 ~ 20 parts of distilled water, control buret and drip speed, sealing stirring obtains faint yellow Ti0 2vitreosol, still aging 2 ~ 4h;
2) wood fibre cellulose solution preparation: be at room temperature dissolved in corresponding solvent by lignocellulosic, being mixed with volume mass mark (g/L) is the solution of 2 ~ 20%, and magnetic agitation is transparent to solution;
3) titanium dioxide/lignocellulose composites preparation: by step 1) TiO 2 sol and the step 2 that obtain) the wood fibre cellulose solution that obtains mixes according to the mass ratio 0.01: 1 ~ 0.5: 1 of solute, be stirred to and mix completely, reaction terminates postprecipitation, elimination supernatant liquid again, then be placed in air and place 12 ~ 36h, respectively with distilled water, absolute ethyl alcohol alternately washing, suction filtration, to filtrate in neutral, finally be placed in vacuum drying oven dry 4 ~ 8h under 50 ~ 80 DEG C of conditions, obtained titanium dioxide/lignocellulose composites;
4) absorbent charcoal composite material preparation: by step 3) obtained titanium dioxide/lignocellulose composites through pre-oxidation, charing and activation process, be prepared into titanium dioxide/lignocellulosic matrix activated carbon composite.
Described ligno-cellulosic materials is Powdered finished product obtained after utilizing plant raw material to process, and plant raw material comprise the stalk of all kinds of perennial and draft class plant, branch, leaf, skin and fruit shell.
Described step 2) lignocellulosic solvent used is one or more mixed solvent systems in dimethyl sulfoxide (DMSO), dimethyl formamide, dimethylacetylamide, N-methylmorpholine-N-oxide, etamon chloride solution, ammonium thiocyanate solution, triethanolamine, ammonia spirit, alkaline aqueous solution.
Described alkaline aqueous solution is alkali metal hydroxide aqueous solution, is specially NaOH, potassium hydroxide.
Described Pre oxidation controls at 50 ~ 350 DEG C; Activate the H at 5 ~ 20wt% 3pO 4carry out in the KOH solution of solution and 5 ~ 20wt%; Charing, in tubular type Muffle furnace, is carried out in atmosphere of inert gases, and temperature controls 400 ~ 600 DEG C of calcination.
Described inert gas is N 2.
The present invention also comprises the titanium dioxide/lignocellulosic matrix activated carbon composite utilizing above-mentioned method to prepare.
Preparation method's process of the present invention is simple, obtain titanium dioxide/lignocellulosic matrix activated carbon composite there is stronger absorption property and good Photocatalytic Degradation Property.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
The invention provides a kind of titanium dioxide/lignocellulosic matrix activated carbon composite and preparation method thereof, first butyl titanate is made faint yellow Ti0 by the method 2vitreosol, then added in the wood fibre cellulose solution for preparing, make it fully react, reaction terminate and precipitation after after leaching supernatant liquid, then be placed in air and place 12 ~ 36h, then replace washing and filtering with distilled water, absolute ethyl alcohol respectively, until filtrate is in neutral; Resulting product is placed in vacuum drying oven dry 4 ~ 8h under 50 ~ 80 DEG C of conditions, obtained titanium dioxide/lignocellulose composites; Again by titanium dioxide/lignocellulose composites through pre-oxidation, charing and activation process, be prepared into the titanium dioxide/lignocellulosic matrix activated carbon composite with efficient adsorption and catalytic performance; Preparation method's process of the present invention is simple, obtain titanium dioxide/cellulosic activity carbon composite there is stronger absorption property and good Photocatalytic Degradation Property.
Embodiment 1:
A kind of titanium dioxide/cellulosic activity carbon composite and preparation method thereof, it comprises the steps:
1) TiO 2 sol preparation: 15 parts of butyl titanates and 5 parts of glacial acetic acid are dissolved in 50 parts of absolute ethyl alcohols, magnetic agitation 0.5h makes it to mix, in the mixed solution of slow instillation 80 parts of absolute ethyl alcohols and 5 parts of distilled water, control buret and drip speed, sealing stirring obtains faint yellow Ti0 2vitreosol, still aging 2h;
2) wood fibre cellulose solution preparation: be at room temperature dissolved in dimethyl sulfoxide (DMSO) by lignocellulosic, being mixed with volume mass mark (g/L) is the solution of 2%, and magnetic agitation is transparent to solution; Described ligno-cellulosic materials is Powdered finished product obtained after utilizing plant raw material to process, and plant raw material comprise the stalk of all kinds of perennial and draft class plant, branch, leaf, skin and fruit shell;
3) titanium dioxide/lignocellulose composites preparation: by step 1) obtained TiO 2 sol and step 2) the wood fibre cellulose solution that obtains mixes according to the mass ratio 0.01: 1 of solute, be stirred to and mix completely, reaction terminates postprecipitation, elimination supernatant liquid again, then be placed in air and place 24h, respectively with distilled water, absolute ethyl alcohol alternately washing, suction filtration, to filtrate in neutral, finally be placed in vacuum drying oven dry 4h under 50 DEG C of conditions, obtained composite;
4) absorbent charcoal composite material preparation: by step 3) obtained lignocellulosic based composites is through pre-oxidation, charing and activation process, and Pre oxidation is 150 DEG C, at the H of 5wt% 3pO 4activate in the KOH solution of solution and 5wt%; In tubular type Muffle furnace, inert gas N 2carbonize in atmosphere, temperature controls 450 DEG C of calcination, is finally prepared into titanium dioxide/lignocellulosic matrix activated carbon composite.
Embodiment 2:
A kind of titanium dioxide/cellulosic activity carbon composite and preparation method thereof, it comprises the steps:
1) TiO 2 sol preparation: 20 parts of butyl titanates and 10 parts of glacial acetic acid are dissolved in 60 parts of absolute ethyl alcohols, magnetic agitation 1h makes it to mix, in the mixed solution of slow instillation 85 parts of absolute ethyl alcohols and 10 parts of distilled water, control buret and drip speed, sealing stirring obtains faint yellow Ti0 2vitreosol, still aging 3h;
2) wood fibre cellulose solution preparation: be at room temperature dissolved in dimethyl formamide by lignocellulosic, being mixed with volume mass mark (g/L) is the solution of 8%, and magnetic agitation is transparent to solution; Described ligno-cellulosic materials is Powdered finished product obtained after utilizing plant raw material to process, and plant raw material comprise the stalk of all kinds of perennial and draft class plant, branch, leaf, skin and fruit shell;
3) titanium dioxide/lignocellulose composites preparation: by step 1) obtained TiO 2 sol and step 2) the wood fibre cellulose solution that obtains mixes according to the mass ratio 0.1: 1 of solute, be stirred to and mix completely, reaction terminates postprecipitation, elimination supernatant liquid again, then be placed in air and place 24h, respectively with distilled water, absolute ethyl alcohol alternately washing, suction filtration, to filtrate in neutral, finally be placed in vacuum drying oven dry 5h under 60 DEG C of conditions, obtained composite;
4) absorbent charcoal composite material preparation: by step 3) obtained lignocellulosic based composites is through pre-oxidation, charing and activation process, and Pre oxidation is 180 DEG C, at the H of 10wt% 3pO 4activate in the KOH solution of solution and 10wt%; In tubular type Muffle furnace, inert gas N 2carbonize in atmosphere, temperature controls 450 DEG C of calcination, is finally prepared into titanium dioxide/lignocellulosic matrix activated carbon composite.
Embodiment 3:
A kind of titanium dioxide/cellulosic activity carbon composite and preparation method thereof, it comprises the steps:
1) TiO 2 sol preparation: 25 parts of butyl titanates and 15 parts of glacial acetic acid are dissolved in 70 parts of absolute ethyl alcohols, magnetic agitation 1.5h makes it to mix, in the mixed solution of slow instillation 90 parts of absolute ethyl alcohols and 15 parts of distilled water, control buret and drip speed, sealing stirring obtains faint yellow Ti0 2vitreosol, still aging 3h;
2) wood fibre cellulose solution preparation: be at room temperature dissolved in by lignocellulosic in N-methylmorpholine-N-oxide, being mixed with volume mass mark (g/L) is the solution of 15%, and magnetic agitation is transparent to solution; Described ligno-cellulosic materials is Powdered finished product obtained after utilizing plant raw material to process, and plant raw material comprise the stalk of all kinds of perennial and draft class plant, branch, leaf, skin and fruit shell;
3) titanium dioxide/lignocellulose composites preparation: by step 1) obtained TiO 2 sol and step 2) the wood fibre cellulose solution that obtains mixes according to the mass ratio 0.2: 1 of solute, be stirred to and mix completely, reaction terminates postprecipitation, elimination supernatant liquid again, then be placed in air and place 24h, respectively with distilled water, absolute ethyl alcohol alternately washing, suction filtration, to filtrate in neutral, finally be placed in vacuum drying oven dry 7h under 70 DEG C of conditions, obtained composite;
4) absorbent charcoal composite material preparation: by step 3) obtained lignocellulosic based composites is through pre-oxidation, charing and activation process, and Pre oxidation is 200 DEG C, at the H of 15wt% 3pO 4activate in the KOH solution of solution and 15wt%; In tubular type Muffle furnace, inert gas N 2carbonize in atmosphere, temperature controls 500 DEG C of calcination, is finally prepared into titanium dioxide/lignocellulosic matrix activated carbon composite.
Embodiment 4:
A kind of titanium dioxide/cellulosic activity carbon composite and preparation method thereof, it comprises the steps:
1) TiO 2 sol preparation: 30 parts of butyl titanates and 15 parts of glacial acetic acid are dissolved in 80 parts of absolute ethyl alcohols, magnetic agitation 2h makes it to mix, in the mixed solution of slow instillation 95 parts of absolute ethyl alcohols and 20 parts of distilled water, control buret and drip speed, sealing stirring obtains faint yellow Ti0 2vitreosol, still aging 4h;
2) wood fibre cellulose solution preparation: at room temperature lignocellulosic is dissolved in ammonia/ammonium thiocyanate solution (NH 3/ NH 4sCN/H 2o system) in, being mixed with volume mass mark (g/L) is the solution of 20%, and magnetic agitation is transparent to solution; Described ligno-cellulosic materials is Powdered finished product obtained after utilizing plant raw material to process, and plant raw material comprise the stalk of all kinds of perennial and draft class plant, branch, leaf, skin and fruit shell;
3) titanium dioxide/lignocellulose composites preparation: by step 1) obtained TiO 2 sol and step 2) the wood fibre cellulose solution that obtains mixes according to the mass ratio 0.5: 1 of solute, be stirred to and mix completely, reaction terminates postprecipitation, elimination supernatant liquid again, then be placed in air and place 24h, respectively with distilled water, absolute ethyl alcohol alternately washing, suction filtration, to filtrate in neutral, finally be placed in vacuum drying oven dry 8h under 80 DEG C of conditions, obtained composite;
4) absorbent charcoal composite material preparation: by step 3) obtained lignocellulosic based composites is through pre-oxidation, charing and activation process, and Pre oxidation is 250 DEG C, at the H of 20wt% 3pO 4activate in the KOH solution of solution and 20wt%; In tubular type Muffle furnace, inert gas N 2carbonize in atmosphere, temperature controls 550 DEG C of calcination, is finally prepared into titanium dioxide/lignocellulosic matrix activated carbon composite.

Claims (7)

1. a preparation method for titanium dioxide/lignocellulosic matrix activated carbon composite, is characterized in that: first butyl titanate is made faint yellow Ti0 by the method 2vitreosol, then added in the wood fibre cellulose solution for preparing, make it fully react, reaction terminate and precipitation after after leaching supernatant liquid, then be placed in air and place 12 ~ 36h, then replace washing and filtering with distilled water, absolute ethyl alcohol respectively, until filtrate is in neutral; Resulting product is placed in vacuum drying oven dry 4 ~ 8h under 50 ~ 80 DEG C of conditions, obtained titanium dioxide/lignocellulose composites; Again by titanium dioxide/lignocellulose composites through pre-oxidation, charing and activation process, be prepared into the titanium dioxide/lignocellulosic matrix activated carbon composite with efficient adsorption and catalytic performance; The method comprises the following steps:
1) TiO 2 sol preparation: 15 ~ 30 parts of butyl titanates and 5 ~ 15 parts of glacial acetic acid are dissolved in 50 ~ 80 parts of absolute ethyl alcohols, magnetic agitation 0.5 ~ 2h makes it to mix, in the mixed solution of slow instillation 80 ~ 95 parts of absolute ethyl alcohols and 5 ~ 20 parts of distilled water, control buret and drip speed, sealing stirring obtains faint yellow Ti0 2vitreosol, still aging 2 ~ 4h;
2) wood fibre cellulose solution preparation: be at room temperature dissolved in corresponding solvent by lignocellulosic, being mixed with volume mass mark (g/L) is the solution of 2 ~ 20%, and magnetic agitation is transparent to solution;
3) titanium dioxide/lignocellulose composites preparation: by step 1) obtained TiO 2 sol and step 2) the wood fibre cellulose solution that obtains mixes according to the mass ratio 0.01: 1 ~ 0.5: 1 of solute, be stirred to and mix completely, reaction terminates postprecipitation, elimination supernatant liquid again, then be placed in air and place 12 ~ 36h, respectively with distilled water, absolute ethyl alcohol alternately washing, suction filtration, to filtrate in neutral, finally be placed in vacuum drying oven dry 4 ~ 8h under 50 ~ 80 DEG C of conditions, obtained titanium dioxide/lignocellulose composites;
4) absorbent charcoal composite material preparation: by step 3) obtained titanium dioxide/lignocellulose composites through pre-oxidation, charing and activation process, be prepared into titanium dioxide/lignocellulosic matrix activated carbon composite.
2. the preparation method of titanium dioxide/lignocellulosic matrix activated carbon composite according to claim 1, it is characterized in that: described ligno-cellulosic materials is Powdered finished product obtained after utilizing plant raw material to process, plant raw material comprise the stalk of all kinds of perennial and draft class plant, branch, leaf, skin and fruit shell.
3. the preparation method of titanium dioxide according to claim 1/lignocellulosic matrix activated carbon composite, is characterized in that: described step 2) lignocellulosic solvent used is one or more mixed solvent systems in dimethyl sulfoxide (DMSO), dimethyl formamide, dimethylacetylamide, N-methylmorpholine-N-oxide, etamon chloride solution, ammonium thiocyanate solution, triethanolamine, ammonia spirit, alkaline aqueous solution.
4. the preparation method of titanium dioxide according to claim 3/lignocellulosic matrix activated carbon composite, is characterized in that: described alkaline aqueous solution is alkali metal hydroxide aqueous solution, is specially NaOH, potassium hydroxide.
5. the preparation method of titanium dioxide according to claim 1/lignocellulosic matrix activated carbon composite, is characterized in that: described Pre oxidation controls at 50 ~ 350 DEG C; Activate the H at 5 ~ 20wt% 3pO 4carry out in the KOH solution of solution and 5 ~ 20wt%; Charing, in tubular type Muffle furnace, is carried out in atmosphere of inert gases, and temperature controls 400 ~ 600 DEG C of calcination.
6. the preparation method of titanium dioxide according to claim 5/lignocellulosic matrix activated carbon composite, is characterized in that: described inert gas is N 2.
7. the titanium dioxide that according to any one of claim 1-6 prepared by method/lignocellulosic matrix activated carbon composite.
CN201410717352.9A 2014-12-01 2014-12-01 Titanium dioxide/lignocellulose-based active carbon composite material and preparation method thereof Pending CN104549145A (en)

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CN104998628A (en) * 2015-07-21 2015-10-28 河北科技大学 Bacterial residue active carbon supported TiO2 composite photocatalyst and applications thereof
CN107627418A (en) * 2017-09-20 2018-01-26 阜南县星光工艺品有限公司 A kind of raising woodwork is water-fast and the processing method of light aging
CN107754864A (en) * 2017-10-23 2018-03-06 浙江工业大学 The loaded modified nanometer titanium dioxide composite material of string and its preparation and application
CN107899563A (en) * 2017-11-08 2018-04-13 西安科技大学 A kind of method that carbonizing reduction Synchronos method prepares carbon fiber loaded titanium dioxide
CN107899570A (en) * 2017-11-28 2018-04-13 秦皇岛天大环保研究院有限公司 Integral catalyzer for super low concentration methyl hydride combustion and preparation method thereof
CN108479707A (en) * 2018-05-25 2018-09-04 黄智慧 A kind of preparation method of material for air purification
CN110732319A (en) * 2019-10-31 2020-01-31 内蒙古农业大学 wood activated carbon body-loaded titanium dioxide material and preparation method and application thereof
CN112354560A (en) * 2020-10-12 2021-02-12 武汉纺织大学 Lignin-based aerogel capable of degrading anionic dye by visible light and preparation method thereof
CN113426422A (en) * 2021-07-07 2021-09-24 齐鲁工业大学 Preparation method and application of lignin-based magnetic nano composite particles
RU2776277C1 (en) * 2021-07-05 2022-07-15 Федеральное государственное автономное образовательное учреждение высшего образования "Пермский государственный национальный исследовательский университет" (ПГНИУ) Method for producing copper-nickel-oxide-carbon composite material

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104998628A (en) * 2015-07-21 2015-10-28 河北科技大学 Bacterial residue active carbon supported TiO2 composite photocatalyst and applications thereof
CN107627418A (en) * 2017-09-20 2018-01-26 阜南县星光工艺品有限公司 A kind of raising woodwork is water-fast and the processing method of light aging
CN107754864A (en) * 2017-10-23 2018-03-06 浙江工业大学 The loaded modified nanometer titanium dioxide composite material of string and its preparation and application
CN107754864B (en) * 2017-10-23 2019-11-29 浙江工业大学 The loaded modified nanometer titanium dioxide composite material of plant fiber and its preparation and application
CN107899563A (en) * 2017-11-08 2018-04-13 西安科技大学 A kind of method that carbonizing reduction Synchronos method prepares carbon fiber loaded titanium dioxide
CN107899570A (en) * 2017-11-28 2018-04-13 秦皇岛天大环保研究院有限公司 Integral catalyzer for super low concentration methyl hydride combustion and preparation method thereof
CN108479707A (en) * 2018-05-25 2018-09-04 黄智慧 A kind of preparation method of material for air purification
CN110732319A (en) * 2019-10-31 2020-01-31 内蒙古农业大学 wood activated carbon body-loaded titanium dioxide material and preparation method and application thereof
CN110732319B (en) * 2019-10-31 2022-04-19 内蒙古农业大学 Wood activated carbon body loaded titanium dioxide material and preparation method and application thereof
CN112354560A (en) * 2020-10-12 2021-02-12 武汉纺织大学 Lignin-based aerogel capable of degrading anionic dye by visible light and preparation method thereof
RU2776277C1 (en) * 2021-07-05 2022-07-15 Федеральное государственное автономное образовательное учреждение высшего образования "Пермский государственный национальный исследовательский университет" (ПГНИУ) Method for producing copper-nickel-oxide-carbon composite material
CN113426422A (en) * 2021-07-07 2021-09-24 齐鲁工业大学 Preparation method and application of lignin-based magnetic nano composite particles

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