CN108554381A - A kind of Solidago Canadensis carbide and its preparation method and application - Google Patents
A kind of Solidago Canadensis carbide and its preparation method and application Download PDFInfo
- Publication number
- CN108554381A CN108554381A CN201810469019.9A CN201810469019A CN108554381A CN 108554381 A CN108554381 A CN 108554381A CN 201810469019 A CN201810469019 A CN 201810469019A CN 108554381 A CN108554381 A CN 108554381A
- Authority
- CN
- China
- Prior art keywords
- solidago canadensis
- carbide
- water
- hydroxide solution
- solidago
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—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 physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
-
- 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
- B01J20/28002—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 physical properties
- B01J20/28011—Other properties, e.g. density, crush strength
-
- 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
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B01J20/28066—Surface area, e.g. B.E.T specific surface area being more than 1000 m2/g
-
- 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
- B01J20/28078—Pore diameter
-
- 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
- B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
-
- 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
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- 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
-
- 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
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Application the present invention provides a kind of Solidago Canadensis carbide and preparation method thereof and in water process, belongs to water-treatment technology field.The present invention is by sewage, seawater surface bedding Solidago Canadensis carbide, expanding the evaporation interface of water and air；The Solidago Canadensis carbide of black absorbs sunlight, it is converted into heat by photothermal conversion, increase the temperature of water, improve the evaporation capacity of water, drive water evaporation, and steam liquefied is obtained by pure water and fresh water at water recycling by condensation, achieve the purpose that treated sewage, desalinizes seawater, drives water evaporation.The technology of the present invention is simple for process, convenient material drawing, at low cost, low energy consumption, pollution-free, operational safety is reliable and stable.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly to a kind of Solidago Canadensis carbide and preparation method thereof
And application.
Background technology
Solidago Canadensis, scientific name：Solidago canadensisL, nineteen thirty-five introduce China as ornamental plant,
It is perennial plant, is mainly grown in river shoal, wasteland, highway both sides, farmland side, grange surrounding, reproductive capacity is extremely strong, propagates
Speed is fast, and growth vigor is apparent, and annidation is wide.Sunlight is striven with surrounding plants, strives fertilizer, and is discharged allelochemical and inhibited
The growth of other species, until other Plant deaths destroy local natural to constitute a serious threat to local bio-diversity
The ecosystem and Agro-ecological System.Serious environment, society, economic problems are caused, ecological killer, Hylocereus undatus are referred to as.It is right
The Prevention Technique of harmful invasive weed is mainly manually pulled out and medical treatment, expends a large amount of human and material resources and financial resources, and nothing
Method realizes thoroughly prevention.Therefore, the recycling to the plant should be reinforced while prevention and control.
The cycle of water is realized by evaporating on the earth, about 50,000 tons of the sleet precipitation formed every year.Ocean accounts for earth table
The 70.9% of area, seawater accounts for the 97.2% of earth water resource, thus tellurian fresh water depends on evaporation of seawater, fresh water
Resource shortage directly influences people’s lives, is one of the important measures of solution freshwater resources crisis using sea water desalination, and
And the purification of water resource can also be realized by evaporation, still, due to depending merely on natural evaporation far from the fresh water need for meeting the mankind
It asks, then must meet this needs by artificial means.Activated carbon is answered as a kind of sorbing material of porous, high surface area
For water body purification, the industries such as isolate and purify and recycle, but the raw material for preparing activated carbon are in short supply, constrain activated carbon
In water body purification, isolate and purify the application in field.
Invention content
In view of this, present invention aims at a kind of Solidago Canadensis carbide of offer and preparation method thereof and answering
With the present invention is by sewage, seawater surface bedding Solidago Canadensis carbide, expanding evaporation circle of water and air
Face；The Solidago Canadensis carbide of black absorbs sunlight, is converted light into as heat by photothermal conversion, increases the temperature of water
Degree improves the evaporation capacity of water, drives water evaporation, achievees the purpose that treated sewage, desalinize seawater, drive Water Evaporation.
The present invention provides a kind of methods of Solidago Canadensis carbonization, include the following steps：
1) Solidago Canadensis is dried successively, washed and re-dry；
2) Solidago Canadensis after re-dry that the step 1) obtains is impregnated in inorganic hydroxide solution,
The time impregnated in inorganic hydroxide solution is 2~60h；
3) Solidago Canadensis after immersion that the step 2) obtains is sintered under atmosphere of inert gases, is obtained
To Solidago Canadensis carbide.
Preferably, washing includes that sodium carbonate liquor is washed and washed successively in the step 1).
Preferably, the sodium carbonate liquor washing is to soak the Solidago Canadensis after drying in sodium carbonate liquor
The temperature of bubble, a concentration of 5~25wt% of the sodium carbonate liquor, the immersion is 50~100 DEG C, described in sodium carbonate liquor
The time of middle immersion is 2~48h.
Preferably, inorganic hydroxide solution is sodium hydroxide solution, potassium hydroxide solution, hydroxide in the step 2)
Calcium solution or barium hydroxide solution.
Preferably, a concentration of 1~25wt% of the inorganic hydroxide solution.
Preferably, the liquid-solid ratio 1~10 of the put on airs goldenrod and inorganic hydroxide solution.
Preferably, the temperature being sintered in the step 3) is 250~800 DEG C, and the time of the sintering is 20~300min.
The present invention also provides the Solidago Canadensis carbide that the above method is prepared, Canada's solidago plant
The specific surface area of flower carbide is 1298~1358m2/g。
The present invention also provides application of the above-mentioned Solidago Canadensis carbide in treated sewage or in desalinizing seawater, will
The Solidago Canadensis carbide is laid in treatment sewage or seawater surface, carries out sunlight irradiation.Preferably, institute
The thickness for stating the tiling of Solidago Canadensis carbide is 0.1~5cm, and the time of the sunlight irradiation is 10 minutes~5
Month, the temperature of the sunlight irradiation is 10~50 DEG C.
Advantageous effects：The present invention provides a kind of methods of Solidago Canadensis carbonization, include the following steps：1)
Solidago Canadensis is dried successively, is washed and re-dry；It 2) will be after re-dry that the step 1) obtains plus take
Big goldenrod is impregnated in inorganic hydroxide solution, and the time impregnated in inorganic hydroxide solution is 2~
60h.3) Solidago Canadensis after immersion that the step 2) obtains is sintered under atmosphere of inert gases, is added
It puts on airs goldenrod carbide, grain size is 0.05~5.0mm, and density is 0.1~0.3g/cm2, specific surface area be 1298~
1358m2/g；It is mesoporous with 2nm micropores below and 2~50nm.The present invention passes through in sewage, seawater surface bedding Canada
Goldenrod carbide expands the evaporation interface of water and air；The Solidago Canadensis carbide of black absorbs sunlight,
It is converted into heat by photothermal conversion, increases the temperature of water, improves the evaporation capacity of water, drives water evaporation, reaches treated sewage, desalination
Seawater, the purpose for driving Water Evaporation.The technology of the present invention is simple for process, convenient material drawing, at low cost, low energy consumption, pollution-free, operation
Safety and stability is reliable.Embodiment statistics indicate that, Solidago Canadensis carbide produced by the present invention is to CODcr in sewage
Removal rate is up to 90.80%, and seawater desalination recovery rate can reach 50% or more, can save 60% or more the energy, improves effect
2.5 times of rate, the water evaporation rate of acquisition are 1000 times or more of equal area water surface natural evaporation rate.
Specific implementation mode
The present invention provides a kind of methods of Solidago Canadensis carbonization, include the following steps：
1) Solidago Canadensis is dried successively, washed and re-dry；
2) Solidago Canadensis after re-dry that the step 1) obtains is impregnated in inorganic hydroxide solution,
The time of the immersion is 2~60h；
3) Solidago Canadensis after immersion that the step 2) obtains is sintered under atmosphere of inert gases
To Solidago Canadensis carbide.
Solidago Canadensis is dried the present invention successively, washs and re-dry.
The present invention does not have particular/special requirement, root, stem and leaf that can make at the position of Solidago Canadensis plant.
In the present invention, segment preferably is carried out to Solidago Canadensis raw material before the drying, every section of length is preferred
For 1~10cm, more preferably 3~7cm.
In the present invention, the temperature of the drying is preferably 50~100 DEG C, more preferably 70~80 DEG C；The drying
Time is preferably 30min~6h, more preferably 2~4h.
In the present invention, the washing preferably includes that sodium carbonate liquor is washed and washed successively.
In the present invention, sodium carbonate liquor washing for by the Solidago Canadensis after drying in sodium carbonate liquor
It impregnates, the concentration of the sodium carbonate liquor is preferably 5~25wt%, more preferably 10~20wt%；It is described in sodium carbonate liquor
The temperature of middle immersion is preferably 50~100 DEG C, more preferably 60~80 DEG C, most preferably 65~75 DEG C；It is described molten in sodium carbonate
The time impregnated in liquid is preferably 2~48h, more preferably 10~40h, most preferably 20~35h.
The present invention is washed by sodium carbonate liquor, removes the wax on Solidago Canadensis surface, washes away one, Canada
Ash content, water-soluble impurity in chrysanthemum.
The present invention is not particularly limited the method for washing, selects method for washing well known to those skilled in the art, by carbon
Solidago Canadensis after acid sodium solution washing is washed to neutrality.
In the present invention, the temperature of the re-dry is preferably 50~150 DEG C, more preferably 70~130 DEG C, most preferably
90~120 DEG C；The time of the re-dry is preferably 30min~10h, more preferably 4~6h.
Solidago Canadensis after obtained re-dry is impregnated in chemical activating agent inorganic hydroxide solution, institute
It is 2~60h to state the time impregnated in inorganic hydroxide solution.
In the present invention, the inorganic hydroxide solution is preferably sodium hydroxide solution, potassium hydroxide solution, hydroxide
Calcium solution or barium hydroxide solution；
In the present invention, the concentration of the sodium hydroxide solution, potassium hydroxide solution or barium hydroxide solution be preferably 5~
25wt%, more preferably 10~20wt%.The concentration of calcium hydroxide solution is preferably 1~5wt%, more preferably 2~3wt%.
In the present invention, the liquid-solid ratio of put on airs goldenrod and the inorganic hydroxide solution is preferably 1~10, more preferably 5~
8。
In the present invention, the time of the immersion is preferably 10~50h, more preferably 20~30h.
The component being blocked in the initial hole of Solidago Canadensis can be removed by being impregnated in inorganic hydroxide solution, and
It constantly reacts with Solidago Canadensis in activation process, generates pore structure.
After obtaining the Solidago Canadensis after being impregnated in inorganic hydroxide solution, the present invention is by the inorganic hydroxide
Solidago Canadensis after being impregnated in object solution is sintered under atmosphere of inert gases, obtains Solidago Canadensis carbonization
Object.
In the present invention, the temperature of the sintering is preferably 250~800 DEG C, more preferably 500~700 DEG C, the sintering
Time be preferably 20~300min, more preferably 50~250min, most preferably 100~200min.Heating rate is preferably 2
~10 DEG C/min, more preferably preferably 3~5 DEG C/min.
The present invention is not particularly limited the type of inert gas, selects inert gas well known to those skilled in the art i.e.
It can.
The present invention is not particularly limited the equipment of sintering, selects agglomerating plant well known to those skilled in the art,
In the present invention, it is preferred to be resistance furnace.
Obtained sintered product is preferably ground by the present invention successively after sintering, wash and drying obtains Canada one
Branch chrysanthemum carbide.
The present invention is not particularly limited the method for grinding, selects method well known to those skilled in the art.At this
In invention, the grain size of Canadian chrysanthemum carbide is preferably 0.03~3mm after the grinding, more preferably 0.05~2mm.
The present invention is not particularly limited the method for washing, selects method for washing well known to those skilled in the art, will grind
Solidago Canadensis is washed to neutrality after mill.
In the present invention, the temperature of the drying is preferably 50~200 DEG C, more preferably 100~150 DEG C；The drying
Time be preferably 30min~10h, more preferably 4~6h.The present invention also provides the Canada one that the above method is prepared
The grain size of branch chrysanthemum carbide, the Solidago Canadensis carbide is 0.05~5.0mm, and density is 0.1~0.3g/cm2,
Specific surface area is 1298~1358m2/g；Mesoporous with 2nm micropores below and 2~50nm, porosity is 0.5~0.98,
The void content of micropore is 0.1~1.5mL/g, and the void content of mesoporous is 0.01~2.0mL/g；Micropore plays suction-operated, is situated between
Play transfer passage and capillary condensation in hole.
The present invention also provides application of the above-mentioned Solidago Canadensis carbide in treated sewage or in desalinizing seawater, will
The Solidago Canadensis carbide is laid in treatment sewage or seawater surface carries out sunlight irradiation.
In the present invention, the thickness of the Solidago Canadensis carbide tiling is preferably 0.1~5cm, more preferably
0.5~2cm.
In the present invention, the time of the sunlight irradiation is preferably 10 minutes~5 months, more preferably 10 days~4
Month, most preferably 1~3 month.
In the present invention, the temperature of the sunlight irradiation is preferably 10~50 DEG C, more preferably 25~30 DEG C.
The type for the sewage that can be used for handling is sewage, trade effluent, rural sewage and the medical treatment that daily life generates
Sewage etc..
Solidago Canadensis carbide provided by the invention is a kind of black matrix material, when illumination is mapped to material, light
Not to external reflectance, but heat finally can be fully converted to by material by constantly reflecting and reflecting inside its pore structure
It absorbs.This photothermal conversion mode can be to the full extent simultaneously using the luminous effect and fuel factor of solar energy, can be in light
Very high temperature (200 DEG C or so) is soon heated to according under the conditions of.Due to the very low (0.1~0.3g/cm of its density2), add
Goldenrod carbide of putting on airs can be swum on the water surface.The capillarity of microchannel, makes in Solidago Canadensis carbide
Water can penetrate into Solidago Canadensis carbide inner, and Solidago Canadensis carbide is attached in the form of micro- liquid film
Surface.Solidago Canadensis carbide has high thermal conductivity, after illumination makes Solidago Canadensis carbide generate heat,
Heat can quickly be transmitted in hole and heat water；Since the water in micro hole structure exists in the form of ultra-thin liquid film, and add
The active force put on airs between goldenrod carbide and hydrone is very weak, and the energy barrier overcome required for water film evaporation is dropped significantly
It is low, therefore the moisture in Solidago Canadensis carbide hole can be converted into low temperature vapor spilling quickly, simultaneously because rainbow
Suction acts on, and the water outside Solidago Canadensis carbide can be reached by lasting sucking carbon inside and the above-mentioned cyclic process of repetition
The purpose of treated sewage, the Water Evaporation that desalinizes seawater, drives.
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.
Embodiment 1
The segment that Solidago Canadensis plant is cut into 2-3cm is dried in 80 DEG C of air atmospheres.It is soaked in
10h in the sodium carbonate liquor of 10wt% removes the wax on Solidago Canadensis surface, washes away the ash in Solidago Canadensis
Divide, water-soluble impurity；Afterwards wash with distilled water to neutrality, then the drying in 80 DEG C of air atmospheres；Afterwards in the NaOH of 5wt%
In solution for 24 hours with the dipping of liquid-solid ratio 5, it is then placed in resistance furnace and burns 30min under 300 DEG C of nitrogen atmospheres.Gained sample grinds,
It is washed to neutrality, Solidago Canadensis carbide is obtained after being dried in 100 DEG C of air atmospheres.
Solidago Canadensis carbide is paved with sewage surface, thickness is 1~2cm.It is irradiated by sunlight
The temperature of 30min, sunlight irradiation are 30~40 DEG C.Sewage is aquaculture water, and water quality parameter is as shown in table 1.
The water quality parameter of 1 aquaculture water of table
| COD | SS (turbidity) | Ammonia nitrogen | Total phosphorus |
| 116.8 | 2.5 | 1.68 | 0.52 |
Embodiment 2
The segment that Solidago Canadensis plant is cut into 2-3cm is dried in 80 DEG C of air atmospheres.It is soaked in
48h in the sodium carbonate liquor of 15wt% removes the wax on Solidago Canadensis surface, washes away the ash in Solidago Canadensis
Divide, water-soluble impurity；Afterwards wash with distilled water, until it is dry in 80 DEG C of air atmospheres after neutral；Afterwards 15wt%'s
In NaOH solution for 24 hours with the dipping of liquid-solid ratio 5, it is then placed in resistance furnace and burns 60min under 400 DEG C of argon gas atmospheres.Gained sample
It grinds, be washed to neutrality, Solidago Canadensis carbide is obtained after being dried in 100 DEG C of air atmospheres.It will be one Canadian
Chrysanthemum carbide is paved with aquaculture wastewater surface, and thickness is 1~2cm.4h is irradiated by sunlight, the temperature of sunlight irradiation is
30~40 DEG C.
Comparative example 1
Solidago Canadensis plant is dried, is crushed, Solidago Canadensis carbonization is obtained after 1h is heated at 60 DEG C
Object.Solidago Canadensis carbide is paved with sewage surface, thickness 1-2cm.30min, the sun are irradiated by sunlight
The temperature of light irradiation is 30~40 DEG C.
Comparative example 2
Solidago Canadensis plant is dried, is crushed, the Canadian solidago plant being carbonized after 2h is heated at 80 DEG C
Flower.The Solidago Canadensis of carbonization is paved with sewage surface, thickness 1-2cm.4h, solar irradiation are irradiated by sunlight
The temperature penetrated is 30~40 DEG C.
Comparative example 3
Traditional Chinese medicines activated carbon is paved with sewage surface, thickness 1-2cm.30min, sunlight irradiation are irradiated by sunlight
Temperature be 30~40 DEG C.
Comparative example 4
Traditional Chinese medicines activated carbon is paved with sewage surface, thickness 1-2cm.4h is irradiated by sunlight, sunlight irradiation
Temperature is 30~40 DEG C.
2 Solidago Canadensis char-forming material performance test of table
| Embodiment 1 | Embodiment 2 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | |
| Specific surface area m2/g | 1298 | 1358 | 1126 | 1232 | 958 | 958 |
Purified treatment is carried out to aquiculture sewerage, the COD value of aquiculture sewerage data is 116.8, and table 3 is to aquatic products
Aquaculture wastewater treated data.
Table 3, to aquiculture sewerage processing after data
| Embodiment 1 | Embodiment 2 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | |
| The removal rate of CODcr | 85.40% | 90.80% | 75.00% | 80.20% | 70.64% | 73.32% |
From the data in table 3, the CODcr of the purified water after the processing method that 1-2 of the embodiment of the present invention is provided is removed
Rate can meet the relevant criterion arranged outside aquaculture water, and better than the purified water after 1~4 sewage disposal of comparative example.
The present invention is carbonized Canadian Common Goldenrod Herb with abundant pore structure, the absorption of inherent wide spectrum, outstanding photo-thermal
Conductibility, good light resistance and lower heat leakage, and can quickly attract microorganism species, it is formed on its surface work
Property biomembrane, these microorganisms using organic pollution as energy source, by itself metabolism degrade water body in
Organic pollution is obviously improved the removal rate of CODcr.
Embodiment 3
The segment that Solidago Canadensis plant is cut into 8-10cm is dried in 80 DEG C of air atmospheres.It is soaked in
10h in the sodium carbonate liquor of 10wt% removes the wax on Solidago Canadensis surface, washes away the ash in Solidago Canadensis
Divide, water-soluble impurity；Afterwards wash with distilled water, until it is dry in 80 DEG C of air atmospheres after neutral；Afterwards in the NaOH of 5wt%
In solution for 24 hours with the dipping of liquid-solid ratio 10, it is then placed in resistance furnace and burns 30min under 300 DEG C of nitrogen atmospheres.Gained sample mill
It is broken, be washed to neutrality, in 100 DEG C of air atmospheres dry after obtain Solidago Canadensis carbide.
Solidago Canadensis carbide is sprinkled into free of contamination clean seawater, is sent through cistern to glass or having
Machine glass is made in the vaporization chamber of house shape, irradiates 2h by sunlight, increases the temperature of evaporation of seawater room, steam encounters ratio
The low glass of vaporization chamber can be frozen into water and flow down, and fresh water accumulator tank is set below vaporization chamber fresh water collecting.
Embodiment 4
The segment that Solidago Canadensis plant is cut into 8-10cm is dried in 80 DEG C of air atmospheres.It is soaked in
48h in the sodium carbonate liquor of 15wt% removes the wax on Solidago Canadensis surface, washes away the ash in Solidago Canadensis
Divide, water-soluble impurity；Afterwards wash with distilled water, until it is dry in 80 DEG C of air atmospheres after neutral；Afterwards 15wt%'s
In NaOH solution for 24 hours with the dipping of liquid-solid ratio 10, it is then placed in resistance furnace and burns 60min under 400 DEG C of argon gas atmospheres.Gained sample
It grinds, be washed to neutrality, Solidago Canadensis carbide is obtained after being dried in 100 DEG C of air atmospheres.
Solidago Canadensis carbide is sprinkled into free of contamination clean seawater, is sent through cistern to glass or having
Machine glass is made in the vaporization chamber of house shape, irradiates 4h by sunlight, increases the temperature of evaporation of seawater room, steam encounters ratio
The low glass of vaporization chamber can be frozen into water and flow down, and fresh water accumulator tank is set below vaporization chamber fresh water collecting.
Comparative example 5
It by clean seawater, send to glass or organic glass and is made in the vaporization chamber of house shape through cistern, pass through
Sunlight irradiates 2h, increases the temperature of evaporation of seawater room, and steam, which encounters the glass lower than vaporization chamber, can be frozen into water and flow down,
Fresh water accumulator tank is set below vaporization chamber fresh water collecting.
Comparative example 6
It by clean seawater, send to glass or organic glass and is made in the vaporization chamber of house shape through cistern, pass through
Sunlight irradiates 4h, increases the temperature of evaporation of seawater room, and steam, which encounters the glass lower than vaporization chamber, can be frozen into water and flow down,
Fresh water accumulator tank is set below vaporization chamber fresh water collecting.
In the seawater desalination system of the present invention, the required thermal energy of process of " water change gas " is by free solar energy and good
The Solidago Canadensis shared of the carbonization of heat absorptivity, " gas change water " process are held by free " thermal energy " of normal temperature seawater
Load.Technical solution using the present invention can save 60% or more the energy, and seawater desalination recovery rate can reach 50% or more, moreover it is possible to
It is easily obtained salt byproduct.Compared with comparative example 5 and comparative example 6, efficiency can be improved in embodiment 4 and embodiment 5
2.5 times or more.
Embodiment 5
The segment that Solidago Canadensis plant is cut into 2-3cm is dried in 80 DEG C of air atmospheres.It is soaked in
48h in the sodium carbonate liquor of 25wt% removes the wax on Solidago Canadensis surface, washes away the ash in Solidago Canadensis
Divide, water-soluble impurity；Afterwards wash with distilled water, until it is dry in 80 DEG C of air atmospheres after neutral；Afterwards 15wt%'s
In NaOH solution for 24 hours with the dipping of liquid-solid ratio 1, it is then placed in resistance furnace and burns 60min under 400 DEG C of argon gas atmospheres.Gained sample
It grinds, be washed to neutrality, Solidago Canadensis carbide is obtained after being dried in 100 DEG C of air atmospheres.
Solidago Canadensis carbide is paved under conditions of earth's surface dirty water surface, sunshine abundance, environment temperature is
In the range of 10~50 DEG C, the water evaporation rate that can be obtained is 1000 times or more of equal area water surface natural evaporation rate.
Comparative example 7
Solidago Canadensis plant is dried, is crushed, the Canadian solidago plant being carbonized after 2h is heated at 80 DEG C
Flower.The Solidago Canadensis of carbonization is paved under conditions of earth's surface dirty water surface, sunshine abundance, environment temperature is 10~50
In the range of DEG C, the water evaporation rate that can be obtained is 500 times or more of equal area water surface natural evaporation rate.
There is the Solidago Canadensis carbide that preparation method through the invention is prepared black matrix structure and height to lead
Thermal property can efficiently convert sunlight to heat, using porous structure capillarity continuous conveying moisture and reduce it
Evaporation barrier makes water phase become vapor, and to realize the rapid evaporation of earth's surface dirty water, and its effect is better than commonsense method system
Standby obtained Solidago Canadensis carbide.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of method of Solidago Canadensis carbonization, includes the following steps：
1) Solidago Canadensis is dried successively, washed and re-dry；
2) Solidago Canadensis after re-dry that the step 1) obtains is impregnated in inorganic hydroxide solution, it is described
The time of immersion is 2~60h；
3) Solidago Canadensis after immersion that the step 2) obtains is sintered under atmosphere of inert gases, is added
It puts on airs goldenrod carbide.
2. according to the method described in claim 1, being washed successively including sodium carbonate liquor it is characterized in that, being washed in the step 1)
It washs and washes.
3. according to the method described in claim 2, it is characterized in that, sodium carbonate liquor washing is by the Canada after drying
Goldenrod is impregnated in sodium carbonate liquor, a concentration of 5~25wt% of the sodium carbonate liquor, the temperature of the sodium carbonate liquor
Degree is 50~100 DEG C, and the time impregnated in sodium carbonate liquor is 2~48h.
4. according to the method described in claim 1, it is characterized in that, inorganic hydroxide solution is hydroxide in the step 2)
Sodium solution, potassium hydroxide solution, calcium hydroxide solution or barium hydroxide solution.
5. method according to claim 1 or 4, which is characterized in that a concentration of the 1 of the inorganic hydroxide solution~
25wt%.
6. method according to claim 1 or 4, which is characterized in that the Solidago Canadensis after the re-dry and nothing
The liquid-solid ratio 1~10 of machine hydroxide solution：1.
7. according to the method described in claim 1, it is characterized in that, the step 3) in be sintered temperature be 250~800 DEG C,
The time of the sintering is 20~300min.
8. the Solidago Canadensis carbide that the preparation method described in claim 1~7 any one is prepared, feature
It is, the grain size of the Solidago Canadensis carbide is 0.05~5.0mm, and density is 0.1~0.3g/cm2, specific surface area
For 1298~1358m2/g；It is mesoporous with 2nm micropores below and 2~50nm.
9. application of the Solidago Canadensis carbide according to any one of claims 8 in treated sewage or in desalinizing seawater, feature
It is, the Solidago Canadensis carbide is laid in treatment sewage or seawater surface carries out sunlight irradiation.
10. application according to claim 9, which is characterized in that the thickness of the Solidago Canadensis carbide tiling
Time for 0.1~5cm, the sunlight irradiation is 10 minutes~5 months, and the temperature of the sunlight irradiation is 10~50
℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469019.9A CN108554381A (en) | 2018-05-16 | 2018-05-16 | A kind of Solidago Canadensis carbide and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810469019.9A CN108554381A (en) | 2018-05-16 | 2018-05-16 | A kind of Solidago Canadensis carbide and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108554381A true CN108554381A (en) | 2018-09-21 |
Family
ID=63539174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810469019.9A Pending CN108554381A (en) | 2018-05-16 | 2018-05-16 | A kind of Solidago Canadensis carbide and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108554381A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261125A (en) * | 2018-11-30 | 2019-01-25 | 湖南农业大学 | A kind of Solidago Canadensis stalk charcoal, preparation method and its in removal washes LAS application |
| CN115924915A (en) * | 2022-11-18 | 2023-04-07 | 安徽农业大学 | Preparation method of solidago canadensis activated carbon |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267696A (en) * | 2011-07-12 | 2011-12-07 | 华东师范大学 | Method for preparing active carbon from alternanthera philoxeroides |
| CN102585017A (en) * | 2012-03-27 | 2012-07-18 | 东华大学 | Preparation method of nanoscale solidago canadensis L. microcrystalline cellulose |
| CN103145857A (en) * | 2013-03-28 | 2013-06-12 | 东华大学 | Method for preparing amphoteric cellulose by using Canadian goldenrod |
| CN106857692A (en) * | 2017-02-20 | 2017-06-20 | 江西师范大学 | Application of the Solidago Canadensis in Pomacea canaliculata is killed |
-
2018
- 2018-05-16 CN CN201810469019.9A patent/CN108554381A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267696A (en) * | 2011-07-12 | 2011-12-07 | 华东师范大学 | Method for preparing active carbon from alternanthera philoxeroides |
| CN102585017A (en) * | 2012-03-27 | 2012-07-18 | 东华大学 | Preparation method of nanoscale solidago canadensis L. microcrystalline cellulose |
| CN103145857A (en) * | 2013-03-28 | 2013-06-12 | 东华大学 | Method for preparing amphoteric cellulose by using Canadian goldenrod |
| CN106857692A (en) * | 2017-02-20 | 2017-06-20 | 江西师范大学 | Application of the Solidago Canadensis in Pomacea canaliculata is killed |
Non-Patent Citations (5)
| Title |
|---|
| 何东平: "《油脂工厂设计》", 30 April 2017, 中国轻工业出版社 * |
| 宁平 等: "《活性炭-微波处理典型有机废水》", 31 May 2015, 冶金工业出版社 * |
| 张允诚 等: "《电镀手册》", 31 December 2011, 国防工业出版社 * |
| 薛柱 等: "加拿大一枝黄花活性炭制备工艺技术研究", 《中国环境科学学会学术年会论文集》 * |
| 郑宏飞 等: "《太阳能海水淡化技术》", 31 May 2005, 北京理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261125A (en) * | 2018-11-30 | 2019-01-25 | 湖南农业大学 | A kind of Solidago Canadensis stalk charcoal, preparation method and its in removal washes LAS application |
| CN115924915A (en) * | 2022-11-18 | 2023-04-07 | 安徽农业大学 | Preparation method of solidago canadensis activated carbon |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110090603B (en) | MXene and graphene oxide composite aerogel and preparation method and application thereof | |
| CN110105917B (en) | Photo-thermal composite material and preparation method and application thereof | |
| CN103253774B (en) | Improved method for enhancing ammonia nitrogen removal effect of constructed wetland by using wetland harvested bamboo reeds | |
| CN113005765B (en) | Hydrophilic-hydrophobic 'Shuangshen' structure composite photothermal conversion material, preparation method and application thereof | |
| CN110746657A (en) | Preparation method and application of composite biomass aerogel photothermal conversion material | |
| CN113307321B (en) | Solar interface evaporator and application thereof | |
| CN110918061A (en) | Biomass waste activated carbon, preparation method thereof and application of biomass waste activated carbon in treatment of nitrophenol compounds in wastewater | |
| CN109092248B (en) | Biological carbon material and preparation method and application thereof | |
| CN113860413B (en) | Solar evaporator based on biomass hydrogel/nano carbon material and application thereof | |
| Li et al. | Biomass-based materials for solar-powered seawater evaporation | |
| CN108554381A (en) | A kind of Solidago Canadensis carbide and its preparation method and application | |
| CN114525115A (en) | Typha angustifolia based photo-thermal interface evaporation material and preparation method and application thereof | |
| Wu et al. | Full biomass-derived multifunctional aerogel for solar-driven interfacial evaporation | |
| WO2022199308A1 (en) | Porous biochar for improving severe pollution and preparation method therefor | |
| CN113321255B (en) | Preparation method and application of manganese oxide-biochar composite solar interface evaporation material | |
| CN114100533B (en) | Self-floating wood-based hydrogel photo-thermal evaporator and preparation method and application thereof | |
| CN113786782B (en) | Preparation method and application of self-blackened quinoa cellulose/graphene oxide aerogel | |
| CN108821377A (en) | A kind of method that iron load yak dung charcoal synchronizes arsenic and fluorine in absorption water | |
| CN111085196B (en) | Method for preparing composite photocatalyst containing metal elementary substance particles from carbon-containing solid waste | |
| CN110192453B (en) | Method for cultivating plants in mine abandoned land | |
| CN103225330B (en) | Method for getting water from air through phase change caused by light and using water for cultivation | |
| CN113683242B (en) | Utilize solar energy to realize source separation urine and excrement and urine resourceization's processing system | |
| CN112093790B (en) | Preparation method and application of porous carbonized sugarcane capable of realizing efficient photo-thermal conversion | |
| CN110437496B (en) | Polysiloxane aerogel composite material for efficient water evaporation and preparation method and application thereof | |
| CN113735097A (en) | Preparation method and application of environment-friendly efficient interface three-dimensional carbon-based photothermal conversion material with anti-crystallization groove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |
|
| RJ01 | Rejection of invention patent application after publication |