CN108726659A - A kind of preparation method of the floating plate of promotion water remediation - Google Patents
A kind of preparation method of the floating plate of promotion water remediation Download PDFInfo
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- CN108726659A CN108726659A CN201810550198.9A CN201810550198A CN108726659A CN 108726659 A CN108726659 A CN 108726659A CN 201810550198 A CN201810550198 A CN 201810550198A CN 108726659 A CN108726659 A CN 108726659A
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
Abstract
The invention belongs to river system repair technology fields, more particularly to a kind of preparation method of the floating plate of promotion water remediation, including persulfate, photochemical catalyst, sepiolite, foaming agent, sodium bentonite, lye modified silicon ash mineral wool, binder and water are prefabricated into slurry, then slurry is sprayed into at least side of PVC foam plate and covers one layer of active carbon fiber felt on the coating that spraying is formed, it is bonded into hot pressing in roll squeezer, obtains the floating plate；Organic matter in water body is quickly degraded to small molecule and further decomposed and obtain carbon dioxide and water by the present invention by the mutual cooperation of photocatalysis and persulfate, in anti-water-stop body organic matter exist it is excessive caused by it is rancid, rotten；Contain metallic compound in the photochemical catalyst, metal ion therein further excites persulfate under conditions of light and heat, its activation is made to be decomposed into potentiometric titrations SO4 2‑, most of organic oxygen compound of quickly degrading.
Description
Technical field
The invention belongs to river system repair technology fields, and in particular to a kind of preparation side of the floating plate of promotion water remediation
Method.
Background technology
Water resource is human being's production and the essential natural resources of living, and the environmental resource depended on for existence of biology and
The economic resources for supporting national economy to develop in a healthy way.Since the industrial revolution, the rise of big industry, the mechanization of agricultural and pesticide
A large amount of rapid developments etc. for using, urbanizing of chemical fertilizer, cause a large amount of waste water to be drained into rivers,lakes and seas, lead to the evil of water resource
Change.And as the shortage and water quality deterioration of water resource cause the ecosystem in river also seriously to degenerate, soil erosion is caused, dike
Phenomena such as scour is serious and bio-diversity is reduced.Urban landscape with water be include artificial lake, small-sized natural lake and
The man-made tourist site lake etc. configured by real estate construction, is in the particular surroundings for differing larger with natural environment, Duo Shuowei
Static or poor mobility slow flow water bodies, therefore the self-purification capacity of water body is insufficient, easily becomes sanitary sewage, rainwater and rubbish etc.
Packaging container, lead to different degrees of water pollution or even eutrophication.With the high speed development of human lives, it is existing very much
The self-purification capacity of water body cannot be satisfied the removing of pollutant in water body, cause the deterioration of Water quality increasingly severe, therefore
Have to attract people's attention.
Invention content
For the problems of the prior art, the purpose of the present invention is to provide a kind of systems of the floating plate of promotion water remediation
Preparation Method degrades to the pollutant in water body by the floating plate, accelerates the purification of water quality, solves water body in the prior art
The problem of self-purification capacity deficiency.
To achieve the goals above, the present invention is achieved by the following scheme：
A kind of preparation method for the floating plate for promoting water remediation, including by persulfate, photochemical catalyst, sepiolite, hair
Infusion, sodium bentonite, lye modified silicon ash mineral wool, binder and water are prefabricated into slurry, and slurry is then sprayed to PVC hairs
It steeps at least side of plate and covers one layer of active carbon fiber felt on the coating that spraying is formed, be bonded into hot pressing in roll squeezer,
Obtain the floating plate；
The photochemical catalyst includes that following raw material is prepared：Tetraisopropoxy titanium, titanium dioxide, chelating agent, metal
Compound, acidic catalyst and solvent.
The specific preparation method of heretofore described photochemical catalyst is,
(1) first tetraisopropoxy titanium and chelating agent are added in solvent, then add titanium dioxide, stirred to get anti-
Answer mixture；
(2) metallic compound is distributed in the distilled water of 2 times of amounts, stirs to get the aqueous solution of metallic compound；
(3) reaction mixture in step (1) is added to the aqueous solution of step (2) in the presence of acidic catalyst
In, stir to get the photochemical catalyst.
In the present invention, described TiO 2 particles itself have preferable stability, but it absorbs sunray
In ultraviolet light energy after, become lively, start to release electronics, the electronics dished out and itself vacate " electricity
Position " becomes the knife for tearing organic matter macromolecular, and after energy dropoff, the electrons that TiO 2 particles are dished out run back
And combined with the current potential that itself is vacated, that is to say, that TiO 2 particles are not in the case where consuming itself, by organic matter degradation
, this process is complex, but final product is carbon dioxide and water.
In the present invention, the principle of the persulfate purifying water body is：Persulfate ionizes in water generates persulfuric acid
Root particle S2O8 2-, standard oxidationreduction potential reaches+2.01V, close to ozone, more than MnO4 and hydrogen peroxide.Its
Contain peroxy (- O-O-) in molecule, there is stronger oxidisability, can aoxidize the organic molecule in water body, and then by water body
In organic pollution be gradually degraded to small molecule.
In this way, by the mutual cooperation of photocatalysis and persulfate, it can realize and quickly drop the organic matter in water body
It solves as small molecule and further decomposes and obtain final product carbon dioxide and water, organic matter exists and excessively causes in anti-water-stop body
It is rancid, rotten；Also, contain metallic compound, item of the metal ion therein in light and heat in the photochemical catalyst of the present invention
Persulfate is further excited under part, its activation is made to be decomposed into potentiometric titrations SO4 2-, oxidation-reduction potential be+
2.6V has higher oxidability close to hydroxyl radical free radical OH (+2.8V), theoretically can quickly degrade mostly
Its mineralising can be carbon dioxide and inorganic acid by several organic oxygen compounds.That is, passing through persulfate and photochemical catalyst
Coordinated has reached more efficient water body purification effect.
In the present invention, the persulfate is one kind or combinations thereof in potassium peroxydisulfate and potassium hydrogen persulfate.
In the present invention, the sepiolite is a kind of hydrous magnesium silicate of threadiness, is had maximum in nonmetallic mineral
(specific surface can reach 900m to specific surface area2/ g) and unique content pore passage structure, it is that generally acknowledged adsorption capacity is strongest viscous
Native mineral；
The function and effect of the foaming agent are to prevent the hole of sepiolite to be closed in preparation process.Specifically, institute
The foaming agent stated can select one kind in sodium carbonate, sodium bicarbonate.
The sodium bentonite has high absorption capacity, can adsorb a large amount of dissolubility organic pollution；
The wollastonite fibre is a kind of chain calcium metasilicate mineral of natural output, has high whiteness, preferable heat
The features such as stability and chemical stability, higher draw ratio；Wollastonite fibre in the present invention makes it through lye modification
Surface shows cellular microcellular structure, and the surface defect of formation can promote the exposed of more surface functional groups, improves
The combination of organic matter in itself and water body；Specifically, the method for the lye modified silicon ash mineral wool specifically includes, by wollastonite fibre
Dimension is added in the alkaline solution of 3~5 times of amounts and stirs, and makes the surface of wollastonite fibre that cellular microcellular structure be presented, more into
One step, the effect of alkaline solution is to provide alkaline condition, and the present invention selects not special requirement for alkaline solution,
Can be well known to one of ordinary skill in the art, for example, the alkaline solution can be sodium hydroxide, lithium hydroxide, hydrogen
At least one of potassium oxide.
Sepiolite, sodium bentonite and the wollastonite fibre provided in the present invention serves not only as persulfate and photochemical catalyst
Carrier, meanwhile, a large amount of dissolubility organic contaminations that the concrete dynamic modulus having and more reaction bonded sites can be in adsorbed water bodies
Object provides the place of organic pollutant degradation, to realize the purification of water body.
According to the present invention, the PVC foam plate is exactly the PVC expansion sheet of generally existing and An Di plates in the prior art, at this
In invention, carrier of the PVC foam plate as water body purifying material, its role is to keep the state of floating.In order to reduce to drift
The thickness of the blocking of the following water body light of kickboard, the PVC foam plate is also unsuitable blocked up, in the present invention, the PVC foam plate
Thickness is 10~20mm, specifically, PVC snow of the PVC foam plate purchased from the production of Baoding Sheng Tong building materials Science and Technology Ltd.
Not plate (thickness 18mm), PVC peace enlightening plates (thickness 18mm), PVC foam plate (thickness 12mm).
In the present invention, by spraying to slurry on PVC foam plate, one layer of active carbon fiber felt then is being covered, then
It enters back into hot pressing in roll squeezer to be bonded, invades in active carbon fiber felt, obtained preferably in this way, the slurry is most
Fixed effect.The activated carbon fiber used in the active carbon fiber felt is after powdered activated carbon and granular active carbon
Third generation product, activated carbon fiber has big specific surface area, and (specific surface area reaches 1000~3000m2/ g) and it is abundant micro-
Hole has than the adsorption capacity of granular activated charcoal bigger and faster adsorption dynamics adsorption kinetics performance, this is covered activated carbon fiber
One side cover of felt is on water body, a large amount of dissolubility organic pollutions which can quickly in adsorbed water body,
And then the purification of water body is completed under the action of slurry.In the present invention, the thickness of the active carbon fiber felt is 5~10mm, single
Position grammes per square metre is 500~1000g/m2, specifically, the active carbon fiber felt is purchased from the limited public affairs of the large composite material science and technology of Shanghai power
Department.
In the present invention, the slurry can spray to the both sides of PVC foam plate, and in use for some time, PVC is sent out
Bubble plate turn-over is the purification that can proceed with water body, in this way, PVC foam plate adequately is utilized.
According to the present invention, the content of each component can select in a wider scope in the slurry, in order to ensure mixing
Obtained slurry has better water body purification effect, and the slurry includes the raw material of following parts by weight：Persulfate 5~
10 parts, 10~20 parts of photochemical catalyst, 3~8 parts of sepiolite, 0.5~2 part of foaming agent, 2~8 parts of sodium bentonite, lye modified silicon
3~10 parts of grey mineral wool, 5~10 parts of binder, 50~75 parts of water.
According to the present invention, the content of each component can select in a wider scope in the photochemical catalyst, in order to ensure
It includes the raw material of following parts by weight with better photocatalysis effect, the photochemical catalyst：Tetraisopropoxy titanium 3~10
Part, 5~10 parts of titanium dioxide, 0.5~2 part of chelating agent, 1~10 part of metallic compound, 4~15 parts of acidic catalyst, solvent 35
~50 parts.
In the present invention, the chelating agent is ethylenediamine tetra-acetic acid or acetylacetone,2,4-pentanedione；
The metallic compound is zinc nitrate, copper nitrate, ferric nitrate, manganese nitrate, zinc sulfate, copper sulphate, copper sulphate, sulfuric acid
One kind in manganese, zinc chloride, copper chloride, iron chloride；
The acidic catalyst is one kind in hydrochloric acid, nitric acid, sulfuric acid or acetic acid.
The solvent is one kind in methanol, ethyl alcohol, propyl alcohol, isopropanol, n-butanol, isobutanol.
According to the present invention, the quantity for spray of the slurry influences the water body purification ability of floating plate, and is confined to floating plate
The quantity for spray of area, the slurry also should not be too large, in order to avoid cause to waste, in the present invention, in order to ensure the floating plate has
There is higher cost performance, the quantity for spray of the slurry is 100~200g/cm2。
According to the present invention, the pressure roller load of the roll squeezer is 10~20N, and pressure is 80~100N, rolling times between disk
It it is 3~5 times, hot pressing temperature is 100~120 DEG C.
According to the present invention, heretofore described binder is orthosilicic acid triethyl, γ-glycidoxypropyl trimethoxy
Or mixtures thereof silane.
Compared with prior art, the present invention has the following technical effects：
In the present invention, by the mutual cooperation of photocatalysis and persulfate, the organic matter in water body is quickly degraded to
Small molecule simultaneously further decomposes and obtains carbon dioxide and water, in anti-water-stop body organic matter exist it is excessive caused by it is rancid, rotten；
Contain metallic compound in the photochemical catalyst, metal ion therein is further under conditions of light and heat
Persulfate is excited, its activation is made to be decomposed into potentiometric titrations SO4 2-, oxidation-reduction potential is+2.6V, close to hydroxyl
Base free radical OH (+2.8V) has higher oxidability, and theoretically can quickly degrade most of organic oxidation
Its mineralising can be carbon dioxide and inorganic acid by object.That is, by the coordinated of persulfate and photochemical catalyst, reach
More efficient water body purification effect is arrived；
Sepiolite, sodium bentonite and the wollastonite fibre provided in the present invention serves not only as persulfate and photochemical catalyst
Carrier, meanwhile, a large amount of dissolubility organic contaminations that the concrete dynamic modulus having and more reaction bonded sites can be in adsorbed water bodies
Object provides the place of organic pollutant degradation, to realize the purification of water body.
In the present invention, the active carbon fiber felt can not only improve the load of slurry, moreover it is possible to quick adsorbed water body
In a large amount of dissolubility organic pollutions, and then under the action of slurry complete water body purification.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiment is closed, the present invention is furture elucidated.
Embodiment 1
A kind of preparation method of the floating plate of promotion water remediation：
(1) preparation of photochemical catalyst：
First tetraisopropoxy titanium and ethylenediamine tetra-acetic acid are added in methanol, then add titanium dioxide, is stirred
To reaction mixture；Zinc nitrate is distributed in the distilled water of 2 times of amounts, stirs to get the aqueous solution of zinc nitrate；In depositing for hydrochloric acid
In the lower aqueous solution that reaction mixture is added to zinc nitrate, the photochemical catalyst is stirred to get；
The photochemical catalyst includes the raw material of following parts by weight：8 parts of tetraisopropoxy titanium, 8 parts of titanium dioxide, second two
1 part of amine tetraacethyl, 5 parts of zinc nitrate, 10 parts of hydrochloric acid, 40 parts of methanol；
(2) by 8 parts of potassium peroxydisulfate, 15 parts of photochemical catalyst, 5 parts of sepiolite, 1 part of sodium carbonate, 5 parts of sodium bentonite, lye
62 parts of 5 parts of modified silicon ash mineral wool, 8 parts of orthosilicic acid triethyl, water mixing are prefabricated into slurry；
(3) the coating overlying for using automatic sprayer that slurry is sprayed to the side of PVC foam plate and formed in spraying
One layer of active carbon fiber felt of lid, is bonded into hot pressing in roll squeezer, obtains the floating plate；
The quantity for spray of the slurry is 150g/cm2；
The pressure roller load of the roll squeezer is 15N, and pressure is 90N between disk, and rolling times are 4 times, hot pressing temperature 110
℃。
Embodiment 2
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, institute
The quantity for spray for stating slurry is 100g/cm2。
Embodiment 3
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, institute
The quantity for spray for stating slurry is 200g/cm2。
Embodiment 4
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, institute
The quantity for spray for stating slurry is 300g/cm2。
Embodiment 5
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, institute
The photochemical catalyst stated includes the raw material of following parts by weight：3 parts of tetraisopropoxy titanium, 5 parts of titanium dioxide, ethylenediamine tetra-acetic acid
0.5 part, 1 part of zinc nitrate, 4 parts of hydrochloric acid, 35 parts of methanol.
Embodiment 6
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, institute
The photochemical catalyst stated includes the raw material of following parts by weight：10 parts of tetraisopropoxy titanium, 10 parts of titanium dioxide, ethylenediamine tetra-acetic acid
2 parts, 10 parts of zinc nitrate, 15 parts of hydrochloric acid, 50 parts of methanol.
Embodiment 7
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, slurry
The group of each component becomes in material：
5 parts of potassium peroxydisulfate, 10 parts of photochemical catalyst, 3 parts of sepiolite, 0.5 part of sodium carbonate, 2 parts of sodium bentonite, lye are modified
3 parts of wollastonite fibre, 5 parts of orthosilicic acid triethyl, 50 parts of water.
Embodiment 8
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, slurry
The group of each component becomes in material：
10 parts of potassium peroxydisulfate, 20 parts of photochemical catalyst, 8 parts of sepiolite, 2 parts of sodium carbonate, 8 parts of sodium bentonite, lye are modified
10 parts of wollastonite fibre, 10 parts of orthosilicic acid triethyl, 75 parts of water.
Comparative example 1
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike, institute
The quantity for spray for stating slurry is 50g/cm2。
Comparative example 2
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike,
Photochemical catalyst is not contained in the slurry, remaining is constant, obtains the floating plate.
Comparative example 3
The present embodiment promotes the preparation method of the floating plate of water remediation essentially identical with embodiment 1, unlike,
Potassium peroxydisulfate is not contained in the slurry, remaining is constant, obtains the floating plate.
The PVC PVC expansion sheets (thickness 18mm) that Baoding Sheng Tong building materials Science and Technology Ltd. produces are selected to be used as above-described embodiment
In PVC foam plate, on the PVC foam plate carry out slurry spraying and active carbon fiber felt covering.
Water quality situation of the above-mentioned floating plate processing water body after 10 days is tested, not place the water body of floating plate as empty
White group, test result summary record is in table 1.
Table 1：
Floating plate provided by the invention is can be seen that in conjunction with above-mentioned test data to repair water body, accelerates water
The ability of body purification.
The basic principles and main features and the features of the present invention of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement is both fallen in the range of claimed invention.The scope of protection of present invention is by appended claims
And its equivalent thereof.
Claims (9)
1. a kind of preparation method of the floating plate of promotion water remediation, it is characterised in that：Including by persulfate, photochemical catalyst,
Sepiolite, foaming agent, sodium bentonite, lye modified silicon ash mineral wool, binder and water are prefabricated into slurry, then by pulp spraying
It is coated onto at least side of PVC foam plate and covers one layer of active carbon fiber felt on the coating that spraying is formed, into roll squeezer
Hot pressing is bonded, and obtains the floating plate；
The photochemical catalyst includes that following raw material is prepared：Tetraisopropoxy titanium, titanium dioxide, chelating agent, metal compound
Object, acidic catalyst and solvent.
2. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The slurry
Include the raw material of following parts by weight：5~10 parts of persulfate, 10~20 parts of photochemical catalyst, 3~8 parts of sepiolite, foaming agent
0.5~2 part, 2~8 parts of sodium bentonite, 3~10 parts of lye modified silicon ash mineral wool, 5~10 parts of binder, 50~75 parts of water.
3. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The over cure
Hydrochlorate is one kind or combinations thereof in potassium peroxydisulfate and potassium hydrogen persulfate.
4. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The lye changes
Property wollastonite fibre method specifically include, by wollastonite fibre be added to 3~5 times amount alkaline solution in stir, make silicon ash
Cellular microcellular structure is presented in the surface of mineral wool.
5. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The light is urged
Agent includes the raw material of following parts by weight：3~10 parts of tetraisopropoxy titanium, 5~10 parts of titanium dioxide, chelating agent 0.5~2
Part, 1~10 part of metallic compound, 4~15 parts of acidic catalyst, 35~50 parts of solvent.
6. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The chelating agent
For ethylenediamine tetra-acetic acid or acetylacetone,2,4-pentanedione；
The metallic compound be zinc nitrate, copper nitrate, ferric nitrate, manganese nitrate, zinc sulfate, copper sulphate, copper sulphate, manganese sulfate,
One kind in zinc chloride, copper chloride, iron chloride；
The acidic catalyst is one kind in hydrochloric acid, nitric acid, sulfuric acid or acetic acid；
The solvent is one kind in methanol, ethyl alcohol, propyl alcohol, isopropanol, n-butanol, isobutanol.
7. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The slurry
Quantity for spray is 100~200g/cm2。
8. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The activated carbon
The thickness of fibrofelt is 5~10mm, and unit grammes per square metre is 500~1000g/m2。
9. the preparation method of the floating plate of promotion water remediation according to claim 1, it is characterised in that：The roll squeezer
Pressure roller load be 10~20N, pressure is 80~100N between disk, and rolling times are 3~5 times, and hot pressing temperature is 100~120 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399516A (en) * | 2014-12-11 | 2015-03-11 | 安徽工程大学 | Preparation method for photocatalyst for treating nitrophenol wastewater and treatment method for nitrophenol wastewater |
| CN105749952A (en) * | 2016-03-16 | 2016-07-13 | 扬州大学 | Preparation method and application of B, N and Ti co-doped floating environment repair material |
| CN106955708A (en) * | 2017-04-24 | 2017-07-18 | 西安科技大学 | A kind of method for activating persulfate Fourier Series expansion technique degraded Organic substance in water |
| CN106976926A (en) * | 2017-04-25 | 2017-07-25 | 四川理工学院 | CuFeO2The method that material couples persulfate degradation of organic waste water under visible light catalytic |
| CN108069488A (en) * | 2016-11-17 | 2018-05-25 | 中国石油化工股份有限公司 | A kind of acrylic fiber wastewater deep treatment method |
-
2018
- 2018-05-31 CN CN201810550198.9A patent/CN108726659A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399516A (en) * | 2014-12-11 | 2015-03-11 | 安徽工程大学 | Preparation method for photocatalyst for treating nitrophenol wastewater and treatment method for nitrophenol wastewater |
| CN105749952A (en) * | 2016-03-16 | 2016-07-13 | 扬州大学 | Preparation method and application of B, N and Ti co-doped floating environment repair material |
| CN108069488A (en) * | 2016-11-17 | 2018-05-25 | 中国石油化工股份有限公司 | A kind of acrylic fiber wastewater deep treatment method |
| CN106955708A (en) * | 2017-04-24 | 2017-07-18 | 西安科技大学 | A kind of method for activating persulfate Fourier Series expansion technique degraded Organic substance in water |
| CN106976926A (en) * | 2017-04-25 | 2017-07-25 | 四川理工学院 | CuFeO2The method that material couples persulfate degradation of organic waste water under visible light catalytic |
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Application publication date: 20181102 |