CN109503010A - A kind of method of modifying efficiently removing formaldehyde diatom ooze - Google Patents
A kind of method of modifying efficiently removing formaldehyde diatom ooze Download PDFInfo
- Publication number
- CN109503010A CN109503010A CN201811359651.4A CN201811359651A CN109503010A CN 109503010 A CN109503010 A CN 109503010A CN 201811359651 A CN201811359651 A CN 201811359651A CN 109503010 A CN109503010 A CN 109503010A
- Authority
- CN
- China
- Prior art keywords
- diatom ooze
- modifying
- diatomite
- efficiently removing
- temperature
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/023—Chemical treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of method of modifying for efficiently removing formaldehyde diatom ooze, comprising the following steps: diatomite is first surface-treated by step 1, it is subsequently sent to be ultrasonically treated 10-20min in modification liquid, it is washed with deionized 2-3 times, then ion, drying, is then re-fed into tube furnace by the pre-heat treatment again, it is re-fed into Muffle furnace and carries out carbonization treatment, followed by freezing processing 20-30min, cryogenic temperature is -6 DEG C, is then again warmed to room temperature temperature, 2h is kept the temperature, it is spare.It is modified that diatomite of the present invention first passes through surface, modified diatomite surface is by different etchings, there is rough and uneven in surface structure in surface, surface wettability is also improved simultaneously, effect is more significant after modification liquid can then handled, modification liquid can enhance activity inside diatomite pore structure, while improve aperture.
Description
Technical field
The present invention relates to remove formaldehyde technical field, and in particular to a kind of method of modifying for efficiently removing formaldehyde diatom ooze.
Background technique
Diatom ooze is a kind of natural environmental-protective decorative material for internal wall, for substituting wallpaper and emulsion paint, plays inner wall decoration and room
Inner air-cleaning effect, powder packaging, and non-liquid barreled, the main raw material(s) of diatom ooze are the diatoms formed after 1 years
Mineral -- diatomite, diatom are a kind of to live in ocean, the algae in lake.Diatom ooze takes the water before living in millions of years
Capture swims class biology -- and natural materials made of diatom deposition, main component is opal, is rich in multiple beneficial minerals, quality
Light and soft, electron microscope shows that its particle surface has countless small holes, and up to 90% or more, specific surface area is up to porosity
65m2/g.Exactly this molecular sieve structure outstanding, determines its unique function -- have extremely strong physical adsorption property and
Ion-exchange performance sprays water in metope large area, can absorb a large amount of water, illustrate that adsorptivity is extremely strong, and the slowly negative oxygen of sustained release
Ion can effectively absorb harmful carcinogen such as formaldehyde, benzene, radon gas.
Mostly prepare composite material using diatom ooze as raw material in existing literature with reach purification air effect, composite material with
Plurality of raw materials is compound, thus improves material preparation cost, while there are restraining factors between raw material, reduces purification effect instead
Fruit, therefore the present invention is only modified on the basis of diatom ooze, is prepared except the better diatom ooze of formaldehyde performance.
Chinese patent literature (publication number: CN105110761B) discloses a kind of environmentally friendly diatom ooze composite material and its preparation
Method belongs to composite material for building technical field.By quality and 100% calculate, by diatomite 30~50%, dicalcium powder 3~
12%, quartz sand 8~20%, pH adjusting agent 10~15%, calcined kaolin 6~10%, talcum powder 4~10%, sepiolite 5~
10%, pigment 2~5%, pre-gelatinized starch 2~4%, hydroxypropyl methyl cellulose 1~3%, dispersibility latex 1~2%, shallow lake
Powder ether 1~2%, sodium tripolyphosphate 0.5~2%, calgon 0.5~2%, polyvinyl alcohol 0.5~1%, guar gum 0.1~
0.5% and nano-titanium dioxide 0.1~3% form, though the diatom ooze composite material have multiple functions, formaldehyde adsorption function
Effect is not still best.
Summary of the invention
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of method of modifying for efficiently removing formaldehyde diatom ooze,
To solve the problems mentioned in the above background technology.
The present invention solves technical problem and adopts the following technical scheme that
The present invention provides a kind of method of modifying for efficiently removing formaldehyde diatom ooze, comprising the following steps:
Diatomite is first surface-treated by step 1, is subsequently sent to be ultrasonically treated 10-20min in modification liquid, then spend
Ion water washing 2-3 times, then ion, drying are then re-fed into tube furnace by the pre-heat treatment, are re-fed into Muffle furnace and carry out
Carbonization treatment, followed by freezing processing 20-30min, cryogenic temperature is -6 DEG C, is then again warmed to room temperature temperature, is kept the temperature
2h, it is spare；
The spare diatomite of step 1, Lysimachia foenum-graecum treatment fluid are sent into autoclave and are reacted, react by step 2
Pressure is 2-4MPa, and reaction time 20-30min then adds chitin modified liquid, continues to stir 15-25min, then
It is centrifuged again, is centrifuged 20-30min, dry 2-3h in vacuum drying oven then to get diatom ooze of the invention.
Preferably, surface treatment method is to cover at diatomite booth on a glass in the step 1, and booth is covered with a thickness of 1-
2mm, then using HL1500 type without helium crossing current CO2Laser machine carries out surface to diatomite and is modified, laser power 40-
50W。
Preferably, the preparation method of modification liquid is to be add to deionized water titanium dioxide first to carry out in the step 1
Ultrasonic disperse then sequentially adds the lanthanum chloride solution of 94-98%, continues to stir 15-25min, glacial acetic acid is then added and adjusts
PH to 5.0-6.0 then adds 96% liquor alumini chloridi, continues to stir 20-30min.
Preferably, the lanthanum chloride solution of the 94-98% is lanthanum chloride, dehydrated alcohol carries out mixed preparing and forms.
Preferably, the pre-heat treatment step is that temperature is first risen to 120 DEG C of heat preservation 20-30min in the step 1, then again
Temperature is risen into 260 DEG C of heat preservation 10-20min, is then cooled to room temperature.
Preferably, the carbonization treatment step is that temperature is first risen to 400 DEG C from room temperature with 5 DEG C/min, is then cooled to
Room temperature, then be placed in potassium hydroxide and impregnate 3-5h, it then takes out, then at 50-70 DEG C of dry 2h.
Preferably, Lysimachia foenum-graecum processing liquid and preparation method thereof is Lysimachia foenum-graecum powder in the step 2, phosphoric acid solution, deionized water are pressed
According to weight ratio (2-4): (1-3): the mixture of 5 compositions.
Preferably, Lysimachia foenum-graecum processing liquid and preparation method thereof is Lysimachia foenum-graecum powder in the step 2, phosphoric acid solution, deionized water are pressed
According to the mixture of weight ratio 3:2:5 composition.
Preferably, the chitin modified liquid is chitosan, deionized water according to weight ratio (2-4): 5 carry out mixed preparing
At chitosan modification liquid.
Preferably, the glycan modification liquid is chitosan, deionized water carries out mixed preparing shelling according to weight ratio 3:5 and gathers
Sugared modification liquid.
Compared with prior art, the present invention have it is following the utility model has the advantages that
Diatomite of the present invention first passes through surface and is modified, and by different etchings, convex-concave occurs in surface on modified diatomite surface
Not flat structure, while surface wettability is also improved, effect is more significant after modification liquid can then handled, and modification liquid can increase
Activity inside strong diatomite pore structure, while aperture is improved, furthermore titanium dioxide can be stable in diatomite internal combustion, not only
It can be improved and absorb formaldehyde efficiency, while decomposable formaldehyde, using the pre-heat treatment, keep diatomite overall architecture firm, with
Diatomite passes through carbonization treatment afterwards, diatomite porosity can be improved, while freezing processing again, keeps diatomite property more stable, spirit
Vanilla treatment fluid is reacted with diatomite in a high pressure reaction kettle, and when purifying air, the volatilization of Lysimachia foenum-graecum active material is anti-with formaldehyde
It answers, first plays except effect of formaldehyde, then again by kieselguhr adsorption, then reacted with titanium dioxide, removing formaldehyde then can be improved
Effect.
Specific embodiment
Combined with specific embodiments below, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1.
One kind of the present embodiment efficiently removes the method for modifying of formaldehyde diatom ooze, comprising the following steps:
Diatomite is first surface-treated by step 1, is subsequently sent to be ultrasonically treated 10min in modification liquid, then spend from
Sub- water washing 2 times, then ion, drying are then re-fed into tube furnace by the pre-heat treatment, are re-fed into Muffle furnace and are carbonized
Processing, followed by freezing processing 20min, cryogenic temperature is -6 DEG C, is then again warmed to room temperature temperature, keeps the temperature 2h, spare；
The spare diatomite of step 1, Lysimachia foenum-graecum treatment fluid are sent into autoclave and are reacted, react by step 2
Pressure is 2MPa, and reaction time 20min then adds chitin modified liquid, continues to stir 15min, then be centrifuged again, from
Heart 20min dries 2h in vacuum drying oven then to get diatom ooze of the invention.
Surface treatment method is to cover at diatomite booth on a glass in the step of the present embodiment one, and booth is covered with a thickness of 1mm,
Then using HL1500 type without helium crossing current CO2Laser machine carries out surface to diatomite and is modified, laser power 40W.
The preparation method of modification liquid is to be add to deionized water titanium dioxide first to carry out in the step of the present embodiment one
Ultrasonic disperse then sequentially adds 94% lanthanum chloride solution, continue stir 15min, then be added glacial acetic acid adjust pH to
5.0,96% liquor alumini chloridi is then added, continues to stir 20min.
94% lanthanum chloride solution of the present embodiment is lanthanum chloride, dehydrated alcohol carries out mixed preparing and forms.
The pre-heat treatment step is that temperature is first risen to 120 DEG C of heat preservation 20min in the step of the present embodiment one, then again will be warm
Degree rises to 260 DEG C of heat preservation 10min, is then cooled to room temperature.
The carbonization treatment step of the present embodiment is that temperature is first risen to 400 DEG C from room temperature with 5 DEG C/min, is then cooled to room
Temperature, then be placed in potassium hydroxide and impregnate 3h, it then takes out, then at 50 DEG C of dry 2h.
Lysimachia foenum-graecum processing liquid and preparation method thereof is Lysimachia foenum-graecum powder in the step of the present embodiment two, phosphoric acid solution, deionized water are pressed
According to the mixture of weight ratio 2:1:5 composition.
The chitin modified liquid of the present embodiment is chitosan, deionized water according to weight ratio 2:5 progress mixed preparing shelling
Glycan modification liquid.
Embodiment 2.
One kind of the present embodiment efficiently removes the method for modifying of formaldehyde diatom ooze, comprising the following steps:
Diatomite is first surface-treated by step 1, is subsequently sent to be ultrasonically treated 20min in modification liquid, then spend from
Sub- water washing 3 times, then ion, drying are then re-fed into tube furnace by the pre-heat treatment, are re-fed into Muffle furnace and are carbonized
Processing, followed by freezing processing 30min, cryogenic temperature is -6 DEG C, is then again warmed to room temperature temperature, keeps the temperature 2h, spare；
The spare diatomite of step 1, Lysimachia foenum-graecum treatment fluid are sent into autoclave and are reacted, react by step 2
Pressure is 4MPa, and reaction time 30min then adds chitin modified liquid, continues to stir 25min, then be centrifuged again, from
Heart 30min dries 3h in vacuum drying oven then to get diatom ooze of the invention.
Surface treatment method is to cover at diatomite booth on a glass in the step of the present embodiment one, and booth is covered with a thickness of 2mm,
Then using HL1500 type without helium crossing current CO2Laser machine carries out surface to diatomite and is modified, laser power 50W.
The preparation method of modification liquid is to be add to deionized water titanium dioxide first to carry out in the step of the present embodiment one
Ultrasonic disperse then sequentially adds 98% lanthanum chloride solution, continue stir 25min, then be added glacial acetic acid adjust pH to
6.0,96% liquor alumini chloridi is then added, continues to stir 30min.
The lanthanum chloride solution of the 94-98% of the present embodiment is lanthanum chloride, dehydrated alcohol carries out mixed preparing and forms.
The pre-heat treatment step is that temperature is first risen to 120 DEG C of heat preservation 30min in the step of the present embodiment one, then again will be warm
Degree rises to 260 DEG C of heat preservation 20min, is then cooled to room temperature.
The carbonization treatment step of the present embodiment is that temperature is first risen to 400 DEG C from room temperature with 5 DEG C/min, is then cooled to room
Temperature, then be placed in potassium hydroxide and impregnate 5h, it then takes out, then at 70 DEG C of dry 2h.
Lysimachia foenum-graecum processing liquid and preparation method thereof is Lysimachia foenum-graecum powder in the step of the present embodiment two, phosphoric acid solution, deionized water are pressed
According to the mixture of weight ratio 4:3:5 composition.
The chitin modified liquid of the present embodiment is chitosan, deionized water according to weight ratio 4:5 progress mixed preparing shelling
Glycan modification liquid.
Embodiment 3.
One kind of the present embodiment efficiently removes the method for modifying of formaldehyde diatom ooze, comprising the following steps:
Diatomite is first surface-treated by step 1, is subsequently sent to be ultrasonically treated 15min in modification liquid, then spend from
Sub- water washing 3 times, then ion, drying are then re-fed into tube furnace by the pre-heat treatment, are re-fed into Muffle furnace and are carbonized
Processing, followed by freezing processing 25min, cryogenic temperature is -6 DEG C, is then again warmed to room temperature temperature, keeps the temperature 2h, spare；
The spare diatomite of step 1, Lysimachia foenum-graecum treatment fluid are sent into autoclave and are reacted, react by step 2
Pressure is 2-4MPa, and reaction time 25min then adds chitin modified liquid, continues to stir 20min, then be centrifuged again,
It is centrifuged 25min, dries 2.5h in vacuum drying oven then to get diatom ooze of the invention.
In the step of the present embodiment one surface treatment method be by diatomite booth cover on a glass, booth cover with a thickness of
1.5mm, then using HL1500 type without helium crossing current CO2Laser machine carries out surface to diatomite and is modified, and laser power is
45W。
The preparation method of modification liquid is to be add to deionized water titanium dioxide first to carry out in the step of the present embodiment one
Ultrasonic disperse then sequentially adds 96% lanthanum chloride solution, continue stir 20min, then be added glacial acetic acid adjust pH to
5.5,96% liquor alumini chloridi is then added, continues to stir 25min.
96% lanthanum chloride solution of the present embodiment is lanthanum chloride, dehydrated alcohol carries out mixed preparing and forms.
The pre-heat treatment step is that temperature is first risen to 120 DEG C of heat preservation 25min in the step of the present embodiment one, then again will be warm
Degree rises to 260 DEG C of heat preservation 15min, is then cooled to room temperature.
The carbonization treatment step of the present embodiment is that temperature is first risen to 400 DEG C from room temperature with 5 DEG C/min, is then cooled to room
Temperature, then be placed in potassium hydroxide and impregnate 4h, it then takes out, then at 60 DEG C of dry 2h.
Lysimachia foenum-graecum processing liquid and preparation method thereof is Lysimachia foenum-graecum powder in the step of the present embodiment two, phosphoric acid solution, deionized water are pressed
According to the mixture of weight ratio 3:2:5 composition.
The glycan modification liquid of the present embodiment is chitosan, deionized water carries out mixed preparing shelling according to weight ratio 3:5 and gathers
Sugared modification liquid.
Comparative example 1.
It is not both without surface treatment with embodiment 3.
Comparative example 2.
It is not both not use the pre-heat treatment with embodiment 3.
Comparative example 3.
It is not both to be not added with Lysimachia foenum-graecum treatment fluid with embodiment 3.
Comparative example 4.
Using the diatomite of market routine.
Test method 1: selecting 7 areas is 10m2Closed blank house, successively meta position is put into 200g in a room
The diatom ooze of embodiment 1-3, comparative example 1-4 preparation then sprays into the formalin that 100mL concentration is 32%, complete to formaldehyde
Volatilization is measured content of formaldehyde, content of formaldehyde is then measured after 1h, 8h, 16h, 240h in closed room.
Test method 2: not being both to select area for 15m with test method 12Closed blank house, other conditions are homogeneous
Together.
Test method 3: not being both to select area for 20m with test method 12Closed blank house, other conditions are homogeneous
Together.
Embodiment 1-3 and comparative example 1-4 is except the following (concentration of formaldehyde: mg/m of effect of formaldehyde result3)
It being obtained from embodiment 1-3 and comparative example 1-4, the embodiment of the present invention 3 passes through modified diatom ooze, after 720h,
Concentration of formaldehyde reaches 71mg/m in test method 13, and concentration of formaldehyde reaches 357mg/m after diatom ooze test in the market3, while from
Testing time variation, the present invention can efficiently remove formaldehyde, in addition, concentration of formaldehyde is respectively less than formaldehyde in test method 3 in test 1
Concentration, it is known that, diatom ooze of the invention, being more suitable for area is 10m2Closed blank house.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of method of modifying for efficiently removing formaldehyde diatom ooze, which comprises the following steps:
Diatomite is first surface-treated by step 1, is subsequently sent to be ultrasonically treated 10-20min in modification liquid, then use deionization
Water washing 2-3 times, then ion, drying are then re-fed into tube furnace by the pre-heat treatment, are re-fed into Muffle furnace and are carbonized
Processing, followed by freezing processing 20-30min, cryogenic temperature is -6 DEG C, is then again warmed to room temperature temperature, keeps the temperature 2h, standby
With；
The spare diatomite of step 1, Lysimachia foenum-graecum treatment fluid are sent into autoclave and are reacted by step 2, reaction pressure
Then add chitin modified liquid for 2-4MPa, reaction time 20-30min, continue stir 15-25min, then again from
The heart is centrifuged 20-30min, dries 2-3h in vacuum drying oven then to get diatom ooze of the invention.
2. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 1, which is characterized in that the step 1
Middle surface treatment method is to cover at diatomite booth on a glass, and booth is covered with a thickness of 1-2mm, then using HL1500 type without helium cross
Flow CO2Laser machine carries out surface to diatomite and is modified, laser power 40-50W.
3. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 1, which is characterized in that the step 1
The preparation method of middle modification liquid is to be add to deionized water titanium dioxide first to carry out ultrasonic disperse, then sequentially adds 94-
98% lanthanum chloride solution continues to stir 15-25min, glacial acetic acid is then added and adjusts pH to 5.0-6.0, then adds
96% liquor alumini chloridi continues to stir 20-30min.
4. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 3, which is characterized in that the 94-
98% lanthanum chloride solution is lanthanum chloride, dehydrated alcohol carries out mixed preparing and forms.
5. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 1, which is characterized in that the step 1
Middle the pre-heat treatment step is that temperature is first risen to 120 DEG C of heat preservation 20-30min, and temperature is then risen to 260 DEG C of heat preservation 10- again
20min is then cooled to room temperature.
6. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 1, which is characterized in that at the carbonization
Reason step is that temperature is first risen to 400 DEG C from room temperature with 5 DEG C/min, is then cooled to room temperature, then be placed in potassium hydroxide and impregnate
3-5h then takes out, then at 50-70 DEG C of dry 2h.
7. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 1, which is characterized in that the step 2
Middle Lysimachia foenum-graecum processing liquid and preparation method thereof is Lysimachia foenum-graecum powder, phosphoric acid solution, deionized water according to weight ratio (2-4): (1-3): 5 compositions
Mixture.
8. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 7, which is characterized in that the step 2
Middle Lysimachia foenum-graecum handles the mixing that liquid and preparation method thereof forms for Lysimachia foenum-graecum powder, phosphoric acid solution, deionized water according to weight ratio 3:2:5
Object.
9. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 1, which is characterized in that the chitosan
Modification liquid is chitosan, deionized water according to weight ratio (2-4): 5 carry out being hybridly prepared into chitin modified liquid.
10. a kind of method of modifying for efficiently removing formaldehyde diatom ooze according to claim 9, which is characterized in that the glycan
Modification liquid is chitosan, deionized water carries out being hybridly prepared into chitin modified liquid according to weight ratio 3:5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359651.4A CN109503010A (en) | 2018-11-15 | 2018-11-15 | A kind of method of modifying efficiently removing formaldehyde diatom ooze |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359651.4A CN109503010A (en) | 2018-11-15 | 2018-11-15 | A kind of method of modifying efficiently removing formaldehyde diatom ooze |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109503010A true CN109503010A (en) | 2019-03-22 |
Family
ID=65748583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811359651.4A Withdrawn CN109503010A (en) | 2018-11-15 | 2018-11-15 | A kind of method of modifying efficiently removing formaldehyde diatom ooze |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109503010A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875369A (en) * | 2020-06-16 | 2020-11-03 | 天长市烁源磁电有限公司 | Preparation method of corrosion-resistant magnetic ferrite core |
-
2018
- 2018-11-15 CN CN201811359651.4A patent/CN109503010A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875369A (en) * | 2020-06-16 | 2020-11-03 | 天长市烁源磁电有限公司 | Preparation method of corrosion-resistant magnetic ferrite core |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103817756B (en) | A kind of method preparing silicon dioxide/timber composite material fast | |
| CN102558599B (en) | Preparation method of calcium silicate/calcium alginate hybrid material with mesoporous silica gel on surface | |
| CN102430393B (en) | Citric acid loofah sponge preparation method and application | |
| WO2020077673A1 (en) | Easy-control technology for preparing biomass skeletal charcoal having micropore-mesopore structure and high specific surface area | |
| CN101244826A (en) | Method for producing silicon dioxide silica aerogel by drying in atmosphere pressure with rice hull as raw material | |
| CN103937023A (en) | Preparation method of light calcium-alginate-base sponge body functional material | |
| CN107572900A (en) | A kind of tasteless environment-friendly dry powder diatom ooze and preparation method thereof | |
| CN103302708B (en) | Preparation method of novel hydrophobic wood | |
| CN104548953A (en) | Method for preparing NaA type zeolite membrane for ethanol dehydration | |
| CN109503010A (en) | A kind of method of modifying efficiently removing formaldehyde diatom ooze | |
| CN109012154A (en) | A kind of preparation method of modified tea grounds formaldehyde adsorbent | |
| CN115636954A (en) | Super-elastic double-layer photo-thermal hydrogel with high mechanical strength and preparation method and application thereof | |
| US11732140B2 (en) | Environment-friendly wall paint for building and preparation method thereof | |
| CN106311187B (en) | A kind of preparation of cyanurotriamide modified magnetic coconut skin adsorbent | |
| CN106587813A (en) | Multifunctional wall covering material and preparation method thereof | |
| CN113024884A (en) | Composite quaternary hydrogel capable of realizing high solar evaporation rate and preparation method thereof | |
| CN102924644B (en) | A kind of preparation method of vinylformic acid moisturizing matrix material | |
| CN107445162A (en) | The method that amygdalus pedunculata pall prepares mesothyrid activated carbon | |
| CN106978000A (en) | Far infrared health care inner wall putty powder and preparation method thereof | |
| CN109796220A (en) | Calcium carbonate-calcium silicates-aerosil multilayer heat insulating composite material and preparation method thereof | |
| CN108556099A (en) | A kind of method of the drying of wood | |
| CN104942927A (en) | Cypress root distressing treatment method | |
| CN114574046A (en) | Novel biological sound-insulation diatom interior wall coating and preparation method thereof | |
| CN107442068B (en) | Micro- mesoporous activated carbon/the SiO of nanometer is prepared using black liquid2Composite material and its application | |
| CN104858962A (en) | Long-term antiseptic wood production method |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190322 |