CN106111060A - A kind of modification biological carbon composite and preparation thereof and application - Google Patents
A kind of modification biological carbon composite and preparation thereof and application Download PDFInfo
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- CN106111060A CN106111060A CN201610542090.6A CN201610542090A CN106111060A CN 106111060 A CN106111060 A CN 106111060A CN 201610542090 A CN201610542090 A CN 201610542090A CN 106111060 A CN106111060 A CN 106111060A
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- carbon composite
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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
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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
- B01J20/06—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
- B01J20/08—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 comprising aluminium oxide or hydroxide; comprising bauxite
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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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of modification biological carbon composite and preparation thereof and application, comprise the steps: aluminum sulfate solution sodium hydroxide solution regulation pH to 5.0～7.0 is being boiled stirring 5～30min, add the wood flour mix and blend of milled 140 mesh sieves, sucking filtration, freeze-day with constant temperature, carbonization, i.e. obtains modification biological carbon composite.This material preparation process is simple, and easy and simple to handle, with low cost, physicochemical properties are stable, good to the absorption property of Pb In Exhausted Water ion, non-secondary pollution, and it is the lead waste water of 500mg/L that modification biological charcoal processes initial concentration, and adsorbance can reach 453.5mg/g.
Description
Technical field
The present invention relates to one utilize wood flour to prepare modification biological carbon composite and preparation method thereof and Adsorption to give up
The application of lead ion in water, belongs to charcoal composite and preparation thereof and applied technical field.
Background technology
Chemical industry, metal smelt and processing process will produce substantial amounts of lead waste water, if the most treated or process do not reach
Mark and arbitrarily enter water body, it will cause water quality drastically to change, destroy water ecosystem；And can pass through containing land pollutant
Sediments and aquatile are enriched with, then cause in the animal body by food chain entrance human body or other food chains high level
Lead poisoning.China's lead contamination is serious at present, and various places " blood lead " event frequency is existing.
Absorption method is to process one of topmost method of lead waste water, the selection that it is critical only that adsorbent of absorption method, often
Adsorbent mainly include activated alumina, iron oxides, metal-oxide, zeolite, activated carbon etc..Charcoal has raw material
Source is wide, short texture porous, surface activity official can many, the feature such as physicochemical properties are stable, in recent years, charcoal is at environment
Field is more and more paid attention to as water treatment absorbent.But charcoal surface group kind is single, structure is uneven,
Structure, the functional defects such as difficult dispersion, limit its development in each field.
Timber is widely used in the industries such as pulp manufacture, earthwork, Furniture manufacture, and in the processing and manufacturing process of timber
A large amount of wood flours of middle generation mostly go out of use or are used as compost, reclaim as low values such as the fuel recovery energy, from resource comprehensive
For the angle utilized, this is the huge waste to biomass resource.And utilize the wood flour that generation amount is big, make a low multiple use,
Specific surface area is big, absorption property is good modification biological carbon composite is prepared as adsorbent for giving up by aluminum sulfate modification
The removal of lead ion in water, the high level not only achieving wood flour recycles, and provides one for the process of lead waste water and prepares
Low cost, absorption property are strong, the new adsorbent of environmental protection.
Summary of the invention
It is desirable to provide a kind of modification biological carbon composite and methods for making and using same, this material preparation process
Simply, production cost low, high to the adsorption capacity of lead ion, non-secondary pollution, the high-valued of wood flour biomass resource can be realized
Utilize.The process application process that the modification biological carbon composite of preparation is applied to lead waste water is simple, and the time is short, operation side
Just.
To achieve the above object of the invention, insight of the invention is that utilizing aluminum sulfate solution to pass through pH regulation and control generates hydroxide
Aluminium glue body and sulfate ion thereof, the wood flour high with phosphorus content is thoroughly mixed, the charcoal composite that preparation is modified, can
To change charcoal pore structure and to improve charcoal specific surface area, and the functional group number of material surface can be significantly improved
Amount, increases the avtive spot of lead ion absorption, thus improves the modification biological charcoal removal efficiency to Pb In Exhausted Water ion.
It is an object of the invention to be accomplished by.
The preparation method of a kind of modification biological carbon composite, comprises the steps: aluminum sulfate solution sodium hydroxide
Solution regulation pH value, then boil stirring, wood flour is ground, sieves, join in the aluminum sulfate solution boiled, be sufficiently stirred for, mistake
Filter, is dried, by dry sample carbonization, and the protection of logical protective gas, it is incubated after being warming up to final temperature, cooling, stops ventilation, then
Cooling, i.e. obtains modification biological carbon composite.
The preparation method of described modification biological carbon composite, by 0.005～0.02mol/L aluminum sulfate solution hydrogen-oxygen
Change sodium solution regulation pH value to 5.0～7.0.Boil stirring again and boil stirring 5～30min.Wood flour is ground, crosses 140 mesh sieves, add
Enter in the aluminum sulfate solution boiled.Described aluminum sulfate solution volume and wood flour mass ratio are 50～1000mL/g.
The preparation method of described modification biological carbon composite, joins, by grinding the wood flour sieved, the aluminum sulfate boiled
In solution, magnetic agitation 30min, then stir 3～10 hours under room temperature condition, sucking filtration, it is little that thermostatic drying chamber 60 DEG C is dried 12
Time.Carbonization final temperature is 300～500 DEG C, and heating rate is 5 DEG C/min, and the protection of logical nitrogen, after being incubated 1h after being warming up to final temperature,
It is cooled to when 100 DEG C stop ventilation, then naturally cools to room temperature, i.e. obtain modification biological carbon composite.
Described modification biological carbon composite is for removing the lead ion in waste water.Specifically take described modification biological
Carbon composite joins in the lead waste water of plumbum ion concentration 20～500mg/L, according to modification biological carbon composite quality
With wastewater volume ratio for 0.1-1g.L-1, under room temperature condition after oscillating reactions 5-720min, filter.
Beneficial effects of the present invention:
(1) the invention provides a kind of with wood flour as raw material, charcoal composite prepared by aluminum sulfate modification, preparation side
Method is simple, and production cost is low, and physicochemical properties are stable, environmental protection non-secondary pollution, and commercial application prospect is high, employing
Wood flour source is wide, generation amount big, make a low multiple use, and can realize the higher value application of sawdust resource.
(2) material-modification biological carbon composite that the present invention provides, has the biggest specific surface area and higher hole
Holding, material surface functional group enriches, and adsorpting lead ion avtive spot is many, can by the retaining of modification biological Carbon Materials, surface is joined
Close the effects such as reaction, ion exchange, it is achieved the efficient removal of Pb In Exhausted Water ion.
(3) the modification biological Carbon Materials of the present invention, compares the pure charcoal of non-modified, is shown the adsorption effect of lead
Writing and promote, adsorption capacity is that several times increase.Modification biological charcoal process plumbum ion concentration is when below 500mg/L, and adsorption capacity can
Reach 453.5mg/g, and pure charcoal is only 96.2mg/g.
Accompanying drawing explanation
Fig. 1 is the transmission electron microscope picture of modification biological carbon composite in the embodiment of the present invention 1；
Fig. 2 is the transmission electron microscope picture of the pure charcoal composite modified without aluminum sulfate；
Fig. 3 is nitrogen adsorption-desorption isotherm figure (a) and the hole of modification biological carbon composite in the embodiment of the present invention 1
Footpath scattergram (b).
Detailed description of the invention
Illustrate that the present invention is described further with specific embodiment below, but it is necessary to note that following example are only used
In summary of the invention is further illustrated, limitation of the present invention can't be formed.
Embodiment 1
500mL0.01mol/L aluminum sulfate solution sodium hydroxide solution is regulated pH to 5.5, boils stirring 10min.Will
Wood flour vibromill model machine grinds, and took the wood flour 5g that 140 mesh sieves obtain and joins in the aluminum sulfate solution boiled, magnetic agitation
30min, then stirs 5 hours under room temperature condition, sucking filtration, is dried 12 hours under the conditions of thermostatic drying chamber 60 DEG C, by dry
Sample carbonization, carbonization final temperature is 300 DEG C, and heating rate is 5 DEG C/min, and the protection of logical nitrogen, after being incubated 1h after being warming up to final temperature,
It is cooled to when about 100 DEG C stop ventilation, then naturally cools to room temperature, i.e. obtain modification biological carbon composite.
Embodiment 2
500mL0.02mol/L aluminum sulfate solution sodium hydroxide solution is regulated pH to 6.0, boils stirring 10min.Will
Wood flour vibromill model machine grinds, and took the wood flour 5g that 140 mesh sieves obtain and joins in the aluminum sulfate solution boiled, magnetic agitation
30min, then stirs 5 hours under room temperature condition, sucking filtration, is dried 12 hours under the conditions of thermostatic drying chamber 60 DEG C, by dry
Sample carbonization, carbonization final temperature is 400 DEG C, and heating rate is 5 DEG C/min, and the protection of logical nitrogen, after being incubated 1h after being warming up to final temperature,
It is cooled to when about 100 DEG C stop ventilation, then naturally cools to room temperature, i.e. obtain modification biological carbon composite.
Embodiment 3
Under room temperature condition, with 0.02g embodiment 1 preparation material to 20mL concentration be respectively 80mg/L, 200mg/L and
500mg/L carries out adsorption reaction containing lead solution, and wherein the response time is 6 hours, the inductance coupling of the plumbum ion concentration in filtrate
Conjunction plasma emission spectrometer measures, and lead ion adsorbance is respectively 76.3mg/g, 190.9mg/g and 453.5mg/g, removes
Rate all reaches more than 90%.
Embodiment 4
Under room temperature condition, with the material of 0.02g embodiment 2 preparation be 40mg/L to 20mL concentration respectively, 90mg/L,
200mg/L and 300mg/L carries out adsorption reaction containing lead solution, and wherein the response time is 6 hours, the plumbum ion concentration in filtrate
By inductance coupled plasma optical emission spectrophotometer, lead ion adsorbance is respectively 32.3mg/g, 73.5mg/g, 171.6mg/
G and 252.6mg/g.
Claims (10)
1. the preparation method of a modification biological carbon composite, it is characterised in that comprise the steps: to use aluminum sulfate solution
Sodium hydroxide solution regulation pH value, then boil stirring, wood flour is ground, sieves, join in the aluminum sulfate solution boiled, fully
Stirring, filters, and is dried, by dry sample carbonization, and the protection of logical protective gas, it is incubated after being warming up to final temperature, cooling, stops
Ventilation, then cool down, i.e. obtain modification biological carbon composite.
The preparation method of modification biological carbon composite the most according to claim 1, it is characterised in that by 0.005～
0.02mol/L aluminum sulfate solution sodium hydroxide solution regulates pH value to 5.0～7.0.
The preparation method of modification biological carbon composite the most according to claim 1, it is characterised in that by aluminum sulfate solution
With sodium hydroxide solution regulation pH value after, then boil stirring boil stirring 5～30min.
The preparation method of modification biological carbon composite the most according to claim 1, it is characterised in that wood flour is ground,
Cross 140 mesh sieves, join in the aluminum sulfate solution boiled.
The preparation method of modification biological carbon composite the most according to claim 2, it is characterised in that described aluminum sulfate is molten
Liquid is long-pending is 50～1000mL/g with wood flour mass ratio.
The preparation method of modification biological carbon composite the most according to claim 1, it is characterised in that sieve grinding
Wood flour joins in the aluminum sulfate solution boiled, magnetic agitation 30min, then stirs 3～10 hours under room temperature condition, sucking filtration,
Thermostatic drying chamber 60 DEG C is dried 12 hours.
The preparation method of modification biological carbon composite the most according to claim 1, it is characterised in that carbonization final temperature is
300～500 DEG C, heating rate is 5 DEG C/min, and the protection of logical nitrogen, after being incubated 1h after being warming up to final temperature, when being cooled to 100 DEG C
Stop ventilation, then naturally cool to room temperature, i.e. obtain modification biological carbon composite.
8. the modification biological carbon composite that the method described in any one of claim 1-7 prepares.
9. the modification biological carbon composite described in claim 8 is for removing the lead ion in waste water.
Application the most according to claim 9, it is characterised in that take described modification biological carbon composite and join lead
In the lead waste water of ion concentration 20～500mg/L, according to modification biological carbon composite quality and wastewater volume than for 0.1-
1g.L-1, under room temperature condition after oscillating reactions 5-720min, filter.
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| CN201610542090.6A CN106111060B (en) | 2016-07-11 | 2016-07-11 | A kind of modification biological carbon composite and its preparation and application |
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| CN201610542090.6A CN106111060B (en) | 2016-07-11 | 2016-07-11 | A kind of modification biological carbon composite and its preparation and application |
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| CN106111060B CN106111060B (en) | 2019-03-29 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107056544A (en) * | 2017-04-27 | 2017-08-18 | 河南农业大学 | One kind promotes root growth high carbon-based soil remediation fertilizer and method |
| CN108585391A (en) * | 2018-04-18 | 2018-09-28 | 中国海洋大学 | A kind of charcoal renovation agent of the marine sediment of heavy metal pollution and preparation method thereof and restorative procedure |
| CN109382073A (en) * | 2018-12-26 | 2019-02-26 | 嘉应学院 | A kind of preparation method and applications of the flyash modified pig manure charcoal of alkali fusion |
| CN113907140A (en) * | 2021-11-09 | 2022-01-11 | 内蒙古苏尼特驼业生物科技有限公司 | Camel milk powder and preparation method thereof |
| CN114749148A (en) * | 2022-04-15 | 2022-07-15 | 中南大学 | Composite modified banana peel biochar and preparation method and application thereof |
| CN115970670A (en) * | 2022-11-30 | 2023-04-18 | 中南大学 | Carbon-based supported alumina, preparation method thereof and application thereof in degrading CF (carbon fluoride) 4 In (1) |
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Cited By (9)
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|---|---|---|---|---|
| CN107056544A (en) * | 2017-04-27 | 2017-08-18 | 河南农业大学 | One kind promotes root growth high carbon-based soil remediation fertilizer and method |
| CN108585391A (en) * | 2018-04-18 | 2018-09-28 | 中国海洋大学 | A kind of charcoal renovation agent of the marine sediment of heavy metal pollution and preparation method thereof and restorative procedure |
| CN108585391B (en) * | 2018-04-18 | 2019-07-05 | 中国海洋大学 | A kind of charcoal renovation agent of the marine sediment of heavy metal pollution and preparation method thereof and restorative procedure |
| CN109382073A (en) * | 2018-12-26 | 2019-02-26 | 嘉应学院 | A kind of preparation method and applications of the flyash modified pig manure charcoal of alkali fusion |
| CN113907140A (en) * | 2021-11-09 | 2022-01-11 | 内蒙古苏尼特驼业生物科技有限公司 | Camel milk powder and preparation method thereof |
| CN113907140B (en) * | 2021-11-09 | 2023-08-08 | 内蒙古苏尼特驼业生物科技有限公司 | Camel milk powder and preparation method thereof |
| CN114749148A (en) * | 2022-04-15 | 2022-07-15 | 中南大学 | Composite modified banana peel biochar and preparation method and application thereof |
| CN114749148B (en) * | 2022-04-15 | 2023-10-27 | 中南大学 | Composite modified banana peel biochar and preparation method and application thereof |
| CN115970670A (en) * | 2022-11-30 | 2023-04-18 | 中南大学 | Carbon-based supported alumina, preparation method thereof and application thereof in degrading CF (carbon fluoride) 4 In (1) |
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| CN106111060B (en) | 2019-03-29 |
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