CN107876002A - A kind of preparation method of landscape water sorbing material and products obtained therefrom and application - Google Patents
A kind of preparation method of landscape water sorbing material and products obtained therefrom and application Download PDFInfo
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- CN107876002A CN107876002A CN201711098783.1A CN201711098783A CN107876002A CN 107876002 A CN107876002 A CN 107876002A CN 201711098783 A CN201711098783 A CN 201711098783A CN 107876002 A CN107876002 A CN 107876002A
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- landscape water
- sorbing material
- preparation
- water
- aluminum oxyhydroxide
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- 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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic 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)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of preparation method of landscape water sorbing material and products obtained therefrom and application, aluminum oxyhydroxide is distributed in the solution of TGA, stirred, then by porous SiO2Material is dipped into the solution, is stood, and is dried, is obtained landscape water sorbing material.The present invention is supported on nonpoisonous and tasteless porous SiO using special method by the use of aluminum oxyhydroxide as sorbing material2In material matrix, the landscape water sorbing material of high adsorption has been obtained.The landscape water prepares that simple, cost is low with sorbing material, handles that the algae of landscape water is simple and easy, workable, algae understands thoroughly with it, the landscape water of suitable various moulding and scale, is particularly suitable for the demand of current landscape water process, has a extensive future.
Description
Technical field
The present invention relates to a kind of preparation method of landscape water sorbing material and products obtained therefrom and application, belongs to landscape water suction
Attached processing technology field.
Background technology
Landscape water refers to the water in the water body viewed and admired for vision, such as various community's landscapes, and these water are different from rivers
Running water in lake, is easily contaminated, especially because ground rainwater be discharged into and sunlight etc. influences, it is easy to Fu Ying
Fosterization, so as to produce various algae, these algae not only influence attractive in appearance, can also water body is gone bad, and influence to live and living environment.
The method that the processing of such algae at present purifies frequently with manual cleaning and the ecosystem, the former is simple but labor intensity is big, and
Processing is not clean, and the latter requires higher to water body, and the installation and operation of the ecosystem needs higher maintenance cost, and week
Phase is grown, if mismanagement also results in vicious circle, therefore people thirst for a kind of algae processing side convenient and swift, cost is low
Method.
The content of the invention
For the difficult present situation of algae processing in present landscape water, the invention provides a kind of system of landscape water sorbing material
Preparation Method and products obtained therefrom.The present invention makes aluminum oxyhydroxide by the use of aluminum oxyhydroxide as sorbing material by special operation
Firmly loading on nonpoisonous and tasteless porous silica silicon substrate, obtain landscape water sorbing material, this method is simple to operate, into
This is low, and gained landscape water sorbing material can be used for removing the algae in landscape water.
For the low cost of landscape water algae pollution processing, sustainability and it is easy to operate etc. require, present invention also offers
A kind of processing method of landscape water, this method handle the algae in landscape water using landscape water of the present invention with sorbing material.The scape
See water sorbing material and can be placed in cage modle bag and directly launch into water, it is easy to use, it is simple to operate, into water body after can be with
By algae adsorpting aggregation together, then artificial removing, this method remove algae conveniently, greatly reduce labor intensity and place
Cost is managed, it is simple and easy, cost is low, it is workable, and algae can be thoroughly eliminated, it is adapted to the scape of various scales and various structures
Water is seen, it is applied widely, it is particularly suitable for the demand of current landscape water process.
Concrete technical scheme of the present invention is as follows:
A kind of preparation method of landscape water sorbing material, this method comprise the following steps:
(1)Aluminum oxyhydroxide is distributed in the solution of TGA, stirred, obtains aluminum oxyhydroxide solution;
(2)By porous SiO2Material is dipped into above-mentioned aluminum oxyhydroxide solution, is stood, and is fixed to aluminum oxyhydroxide porous
SiO2On material, dried after standing, obtain landscape water sorbing material.
In above-mentioned preparation method, the mass ratio of aluminum oxyhydroxide, TGA and water is 1:0.01:70-90.The present invention is logical
The effect of TGA is crossed, aluminum oxyhydroxide is firmly grown on porous silica silicon materials, so that hydroxyl oxygen
Changing after aluminium enters in water still can firmly be supported on porous silica silicon materials.
In above-mentioned preparation method, porous SiO2Material is standing and soak for 2-2.5 days in aluminum oxyhydroxide solution.
In above-mentioned preparation method, aluminum oxyhydroxide is threadiness, and those skilled in the art can use full in the prior art
Prepared by the preparation method of the foot requirement, such as the method for document report can be used to prepare(Rsc. Adv. 2015,5,
33155-33162).
In above-mentioned preparation method, porous silica is to run through macropore using containing for specific process of the present invention preparation
SiO2Material, the growth of aluminum oxyhydroxide on silica can be promoted using the material.In addition, those skilled in the art
It can be prepared using other method in the prior art, but effect is not as the present invention.The present invention simple to operate, specific surface area is big
Porous SiO2The preparation method of material, step are as follows:
PVP is dissolved into the mixed solution of second alcohol and water, stirred, then added positive esters of silicon acis and ammoniacal liquor, be sufficiently stirred
Make positive silicic acid ester hydrolysis, then stand, obtain SiO2/ PVP mixed gel blocks;By SiO2/ PVP mixed gels block is dry, forges
Burn, obtain porous SiO2Material.
Further, porous SiO is prepared2During material, when ammonia concn is 25wt%, PVP, positive esters of silicon acis, ammoniacal liquor, water,
The mass ratio of ethanol is 1:1:0.1:10-20:20-30.Wherein, the purpose of the positive esters of silicon acis is to provide silicon source, positive esters of silicon acis
Can be tetraethyl orthosilicate, butyl silicate etc., it is conventional for tetraethyl orthosilicate.
Further, porous SiO is prepared2During material, after adding positive esters of silicon acis and ammoniacal liquor, 5-6h is stirred, then stands 2-
2.5 my god.
Further, porous SiO is prepared2During material, SiO2/ PVP mixed gels block is dried at 110 DEG C.Dry
Afterwards, SiO2/ PVP mixed gel blocks are calcined in atmosphere, and calcining heat is 700 DEG C, calcination time 2h.
In preparation method of the present invention, final gained landscape water sorbing material is by porous SiO2Material and aluminum oxyhydroxide group
Into.Through constituent analysis, aluminum oxyhydroxide and porous SiO2The mass ratio of material is 1-5:100.Aluminum oxyhydroxide passes through chemical bond
It is grown in the surface and hole of porous silica silicon materials.
Gained landscape water of the invention is low with sorbing material cost, nontoxic pollution-free, various in energy efficient absorption landscape water
Algae, it is placed in cage modle bag and directly launches into water body, simple operation, technical difficulty is low, is adapted to answering for landscape water algae
Miscellaneous diversity, has a extensive future.Therefore, present invention gained landscape water with sorbing material also within protection domain.
Present invention also offers a kind of processing method of landscape water, this method is:Will with above-mentioned landscape water sorbing material
Algae adsorpting aggregation in landscape water together, then directly moves algae and landscape water from landscape water together with sorbing material
Remove.The landscape water sorbing material by chemisorbed by algae adsorpting aggregation together, it is convenient to salvage and remove.
In the processing method of above-mentioned landscape water, landscape water can be fitted into cage modle bag with sorbing material to be used, then by cage
Type bag is directly launched into landscape water.Cage modle bag can be tied up on floater shot and put into water, to ensure that cage modle bag is located at water
In.
In the processing method of above-mentioned landscape water, landscape water is 50-200g/m with the dosage of sorbing material3Water, adsorb algae
Landscape water sorbing material afterwards is reusable after secondary clacining, can be recycled 10 times.
The present invention is supported on nonpoisonous and tasteless more by the use of aluminum oxyhydroxide as sorbing material using special method
Hole SiO2In material matrix, the landscape water sorbing material of high adsorption has been obtained.The landscape water with sorbing material prepare it is simple,
Cost is low, with its handle landscape water algae is simple and easy, workable, algae understands thoroughly, suitable various moulding and rule
The landscape water of mould, it is particularly suitable for the demand of current landscape water process, has a extensive future.
Embodiment
Below by embodiment, the present invention will be further elaborated, it should be appreciated that, the description below merely to
The present invention is explained, its content is not defined.In following embodiments, the concentration of ammoniacal liquor used is 25wt%.Hydroxyl oxygen used
Change aluminium to prepare according to document Rsc. Adv. 2015,5,33155-33162 method, the aluminum oxyhydroxide finally given is fibre
Tie up shape.
Embodiment 1
1.1 are dissolved into 5gPVP in the solution of 100g ethanol and 50g water, stirring, add 5g tetraethyl orthosilicates, 0.5g ammonia afterwards
Water, stirring stand 2 days after 5 hours, obtain SiO2/ PVP mixed gel blocks;
1.2 by the sample obtained by step 1.1 in 110 DEG C of dryings, then in 700 DEG C of oxidizing conditions(That is air atmosphere, similarly hereinafter)Under
Calcining 2 hours, obtains porous SiO2Material, specific surface area are about 500m2/g;
10g aluminum oxyhydroxides are distributed to the 700mL TGA aqueous solution by 1.3(TGA containing 0.1g)In, stir, obtain
Aluminum oxyhydroxide solution;Afterwards by porous SiO2Material is dipped into aluminum oxyhydroxide solution, stands 2 days, is dried, is obtained landscape
Water sorbing material.Through constituent analysis, in the landscape water sorbing material, aluminum oxyhydroxide and porous SiO2The mass ratio of material
For 5:100.
Embodiment 2
2.1 are dissolved into 5gPVP in the solution of 150g ethanol and 100g water, stirring, add 5g methyl silicates, 0.5g ammonia afterwards
Water, stirring stand 2 days after 5 hours, obtain SiO2/ PVP mixed gel blocks;
2.2 by the sample obtained by step 2.1 in 110 DEG C of dryings, then calcine 2 hours, obtain porous under 700 DEG C of oxidizing conditions
SiO2Material;
10g aluminum oxyhydroxides are distributed to the 900mL TGA aqueous solution by 2.3(TGA containing 0.1g)In, stir, obtain
Aluminum oxyhydroxide solution;Afterwards by porous SiO2Material is dipped into aluminum oxyhydroxide solution, stands 2 days, is dried, is obtained landscape
Water sorbing material.Through constituent analysis, in the landscape water sorbing material, aluminum oxyhydroxide and porous SiO2The mass ratio of material
For 3:100.
Embodiment 3
3.1 are dissolved into 5gPVP in the solution of 120g ethanol and 80g water, stirring, add 5g positive silicic acid propyl esters, 0.5g ammonia afterwards
Water, stirring stand 2 days after 5 hours, obtain SiO2/ PVP mixed gel blocks;
3.2 by the sample obtained by step 3.1 in 110 DEG C of dryings, then calcine 2 hours, obtain porous under 700 DEG C of oxidizing conditions
SiO2Material;
10g aluminum oxyhydroxides are distributed to the 800mL TGA aqueous solution by 3.3(TGA containing 0.1g)In, stir, obtain
Aluminum oxyhydroxide solution;Afterwards by porous SiO2Material is dipped into aluminum oxyhydroxide solution, stands 2 days, is dried, is obtained landscape
Water sorbing material.Through constituent analysis, in the landscape water sorbing material, aluminum oxyhydroxide and porous SiO2The mass ratio of material
For 1:100.
Comparative example 1
Method according to embodiment 1 prepares porous SiO2Material.10g aluminum oxyhydroxides are distributed in 700mL water, will be more afterwards
Hole SiO2Material is dipped into aluminum oxyhydroxide solution, stands 2 days, is dried, is obtained landscape water sorbing material.Seen through Electronic Speculum
Examine, aluminum oxyhydroxide does not grow to porous SiO2On, it can not be used in water.
Comparative example 2
Landscape water sorbing material is prepared according to the method for embodiment 1, unlike:TGA is replaced with into mercaptopropionic acid.
Through constituent analysis, final gained landscape water only has minimal amount of aluminum oxyhydroxide to be adsorbed onto porous SiO with sorbing material2On,
Constituent analysis shows aluminum oxyhydroxide and porous SiO2The mass ratio of material is less than 0.05:100.
Comparative example 3
Landscape water sorbing material is prepared according to the method for embodiment 1, unlike:By porous SiO2Material is dipped into hydroxyl oxygen
Change in aluminum solutions, stand 1 day.Electron microscope showed aluminum oxyhydroxide is in SiO2On distribution than more uniform, but measure less, composition
Analysis shows aluminum oxyhydroxide and porous SiO2The mass ratio of material is 0.05:100.
Comparative example 4
Landscape water sorbing material is prepared according to the method for embodiment 1, unlike:By porous SiO2Material replaces with common
Collosol and gel SiO2, that is, prepare SiO2Shi Bujia PVP.Electron microscope showed aluminum oxyhydroxide is adsorbed in SiO2Surface, constituent analysis
Show aluminum oxyhydroxide and SiO2The mass ratio of material is 0.01:100.
Application examples
Landscape water produced by the present invention can carry out landscape water process with sorbing material, and step is:By landscape water sorbing material
It is fitted into cage modle bag, the cage modle bag has stomata, can be permeable.Cage modle bag is tied up on floater shot and put into water, ensures cage modle
Bag is in water, and 100 grams of landscape water sorbing materials are added in each cage modle bag, per m32 cage modle bags, cage modle are added in water body
Bag is evenly distributed when launching in water body.In cage modle bag input water body after 10 days, the algae in water body is all adsorbed being gathered in cage
On type bag, removed using the algae that manually will accumulate in together.Pass through calcination processing from the sorbing material of cage modle bag recovery,
It can recycle.
In order to verify that landscape water sorbing material of the present invention is acted on the adsorpting aggregation of algae, following simulated experiment is carried out,
Experimental subjects is embodiment 3, the landscape water sorbing material of comparative example 3, and landscape water used is certain rockery of cell one.Will be real
The landscape water for applying example 3 and comparative example 3 is respectively charged into cage modle bag with sorbing material, every bag of 100g.Launch according to the method described above
Two different regions in landscape water, per m32 cage modle bags are separately added into water body.Result after 10 days is shown, is launched real
The algae applied in the close region of the product of example 3 is adsorbed completely, and launches the algae in another region of the product of comparative example 3 about
Only 20% adsorbed taking-up, adsorption effect are poor.
Claims (10)
- A kind of 1. preparation method of landscape water sorbing material, it is characterized in that comprising the following steps:(1)Aluminum oxyhydroxide is distributed in the solution of TGA, stirred, obtains aluminum oxyhydroxide solution;(2)By porous SiO2Material is dipped into above-mentioned aluminum oxyhydroxide solution, is stood, and is fixed to aluminum oxyhydroxide porous SiO2On material, dried after standing, obtain landscape water sorbing material.
- 2. preparation method according to claim 1, it is characterized in that:The mass ratio of aluminum oxyhydroxide, TGA and water is 1:0.01:70-90.
- 3. preparation method according to claim 1 or 2, it is characterized in that:Porous SiO2Material is quiet in aluminum oxyhydroxide solution Put immersion 2-2.5 days.
- 4. according to the preparation method any one of claim 1-3, it is characterized in that:Porous SiO2The preparation method of material is: PVP is dissolved into the mixed solution of second alcohol and water, stirred, then add positive esters of silicon acis and ammoniacal liquor, being sufficiently stirred makes just Silicic acid ester hydrolysis, then stands, and obtains SiO2/ PVP mixed gel blocks;By SiO2/ PVP mixed gels block is dry, calcining, obtains Porous SiO2Material.
- 5. preparation method according to claim 4, it is characterized in that:Prepare porous SiO2During material, when ammonia concn is During 25wt%, PVP, positive esters of silicon acis, ammoniacal liquor, water, the mass ratio of ethanol are 1:1:0.1:10-20:20-30;The positive esters of silicon acis is Tetraethyl orthosilicate.
- 6. the preparation method according to claim 4 or 5, it is characterized in that:Prepare porous SiO2During material, positive esters of silicon acis is added After ammoniacal liquor, 5-6h is stirred, then stands 2-2.5 days;SiO2/ PVP mixed gel blocks are calcined in atmosphere, and calcining heat is 700 DEG C, calcination time 2h.
- 7. according to the preparation method any one of claim 1-6, it is characterized in that:In gained landscape water sorbing material, Porous SiO2Material and the mass ratio of aluminum oxyhydroxide are 1-5:100.
- 8. inhaled according to landscape water made from the preparation method of the landscape water sorbing material any one of claim 1-7 Enclosure material.
- 9. a kind of processing method of landscape water, it is characterized in that:With the landscape water sorbing material described in claim 8 by landscape water In algae adsorpting aggregation together, then algae and landscape water are directly removed from landscape water together with sorbing material.
- 10. the processing method of landscape water according to claim 9, it is characterized in that:Landscape water described in claim 8 is used Sorbing material is fitted into cage modle bag, then directly launches into landscape water.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112573610A (en) * | 2020-10-30 | 2021-03-30 | 神美科技有限公司 | Landscape water treatment purification material and preparation method thereof |
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