CN109622065A - A kind of loaded catalyst and preparation method thereof of room temperature removal formaldehyde - Google Patents
A kind of loaded catalyst and preparation method thereof of room temperature removal formaldehyde Download PDFInfo
- Publication number
- CN109622065A CN109622065A CN201811605973.2A CN201811605973A CN109622065A CN 109622065 A CN109622065 A CN 109622065A CN 201811605973 A CN201811605973 A CN 201811605973A CN 109622065 A CN109622065 A CN 109622065A
- Authority
- CN
- China
- Prior art keywords
- room temperature
- loaded catalyst
- temperature removal
- removal formaldehyde
- preparation
- 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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The invention discloses a kind of loaded catalysts and preparation method thereof of room temperature removal formaldehyde.The loaded catalyst of this room temperature removal formaldehyde is the porous polymer for loading manganese dioxide.The loaded catalyst of this room temperature removal formaldehyde is made by High Internal Phase Emulsion polymerization reaction, and High Internal Phase Emulsion is made of raw material below: polymerized monomer, emulsifier, initiator, manganese source presoma, reducing agent, nano-titanium dioxide and water.Catalyst material preparation process of the invention is simple, at low cost, at room temperature can catalysis oxidation remove formaldehyde in air, suitable for removing the low concentration formaldehyde pollutant of the enclosure spaces such as automobile, room.
Description
Technical field
The present invention relates to a kind of catalyst, in particular to the loaded catalyst of a kind of room temperature removal formaldehyde and its preparation side
Method.
Background technique
Formaldehyde is most generally existing indoor air pollutants, has adverse effect to human health.It is ground according to international cancer
Study carefully mechanism (IARC) report, formaldehyde is classified as carcinogen, belongs to dangerous substance group.The main source of indoor formaldehyde is to build
Build/finishing material, floor, paint and furniture etc..In the past few decades, people are dedicated to avoiding in construction material and household
The thermosetting plastics of formaldehyde-derived is used in electric appliance, but indoor formaldehyde content is still considerable.Therefore, using effective side
Formaldehyde in method removal room air has great importance to the life and health of the mankind.
Currently, the method for removal Formaldehyde Pollution of Indoor Air mainly includes absorption method, anion method, plant purification method, low temperature etc.
Processes, photocatalytic oxidation and heat catalytic oxidation method etc..Wherein, absorption method inactivates vulnerable to adsorbent and regenerates and adsorb
The limitation of agent capacity；Anion method is higher to transmitting equipment requirement, and is easy to happen secondary fly-up；Plant purification method is to pass through plant
The plants such as object such as bracketplant, sansevieria trifasciata prain absorb indoor formaldehyde toxic gas, but have little effect；Lower temperature plasma technology exists
Power consumption is larger, secondary pollution problems；Photocatalytic oxidation can handle formaldehyde at room temperature, but processing formaldehyde depth is inadequate,
The problems such as processing capacity is low, and must have the support of ultraviolet light, therefore that there are light sources is on the high side, and the service life is short is difficult to use in interior
It administers；Heat catalytic oxidation method can carry out oxygenolysis to formaldehyde in air under conditions of gauge without light source, to first in room air
Aldehyde removal rate is up to 100%, but the operation temperature of reaction process is much higher than room temperature, it is difficult to meet normal needed for indoor air purification
Temperature operation, low energy consumption requirement.
Catalysis oxidation formaldehyde is a kind of method for being effectively removed indoor formaldehyde at room temperature, has been obtained in recent years wide
General concern.Catalytic oxidation used catalyst is divided into two kinds of precious metal based catalysts and base metal class catalyst, at present market
Upper common catalyst is mostly precious metal, and performance is although excellent, but higher cost, limits its practical application.Your non-gold
Though belong to class catalyst cost it is low, such catalyst low temperature even room temperature purifying formaldehyde effect it is unsatisfactory, obtain efficiently,
The catalyst of low cost, low temperature even room temperature removal formaldehyde is still an important challenge.
Summary of the invention
Of the existing technology in order to overcome the problems, such as, the purpose of the present invention is to provide a kind of loads of room temperature removal formaldehyde
Type catalyst and preparation method thereof.
The technical solution used in the present invention is:
A kind of loaded catalyst of room temperature removal formaldehyde, for the porous polymer for loading manganese dioxide.
Preferably, in the loaded catalyst of this room temperature removal formaldehyde, the load capacity of manganese dioxide is porous polymer
The 5%~20% of quality.
Preferably, in the loaded catalyst of this room temperature removal formaldehyde, porous polymer, which has been also loaded, accounts for porous polymeric
0~5% nano-titanium dioxide of amount of substance.
Preferably, in the loaded catalyst of this room temperature removal formaldehyde, porous polymer is styrene, divinyl
Benzene, p-chloromethyl styrene, glycidyl methacrylate, methyl methacrylate, butyl methacrylate, metering system
At least one of tert-butyl acrylate, vinylacetate, acrylonitrile, dipropylene glycol diacrylate polymerized monomer is formed by polymerization
The polymer arrived.
The preparation method of the loaded catalyst of above-mentioned this room temperature removal formaldehyde, is anti-by High Internal Phase Emulsion polymerization
It answers, obtains the loaded catalyst of room temperature removal formaldehyde；High Internal Phase Emulsion is made of the raw material of following mass parts: polymerized monomer 10
~25 parts, 1~2.5 part of emulsifier, 0.1~0.25 part of initiator, 1~5 part of manganese source presoma, 1~5 part of reducing agent, nanometer two
0~0.5 part of titanium oxide, 72~88 parts of water.
Preferably, in High Internal Phase Emulsion, polymerized monomer, emulsifier and initiator form lotion oil phase；Manganese source presoma is gone back
Former agent, nano-titanium dioxide and water form lotion water phase.
It is further preferred that the preparation method of the loaded catalyst of this room temperature removal formaldehyde is: by lotion oil mutually and
Water-In-Oil High Internal Phase Emulsion is made in lotion water phase, then carries out polymerization reaction, obtains the loaded catalyst of room temperature removal formaldehyde.
Preferably, in the preparation method of the loaded catalyst of this room temperature removal formaldehyde, polymer monomer be styrene,
Divinylbenzene, p-chloromethyl styrene, glycidyl methacrylate, methyl methacrylate, butyl methacrylate,
At least one of Tert-butyl Methacrylate, vinylacetate, acrylonitrile, dipropylene glycol diacrylate；Further preferably
, polymer monomer is at least one of styrene, divinylbenzene, methyl methacrylate, butyl methacrylate；Again
It is further preferred that polymer monomer is styrene and divinylbenzene.
It is further preferred that polymerized monomer is made of the raw material of following mass parts: 10~20 parts of styrene, divinyl
5~15 parts of benzene.
Preferably, in the preparation method of the loaded catalyst of this room temperature removal formaldehyde, emulsifier is that optional HLB value is
3~8 one or more emulsifying agents；It is further preferred that emulsifier is at least one of Span 80, Span 60, Span 40.
Preferably, in the preparation method of the loaded catalyst of this room temperature removal formaldehyde, initiator is azo initiation
At least one of agent, peroxide initiator；It is further preferred that initiator be azodiisobutyronitrile, azobisisoheptonitrile,
At least one of azo-bis-iso-dimethyl, benzoyl peroxide, benzoyl peroxide, methyl ethyl ketone peroxide；
Still further preferably, initiator is azodiisobutyronitrile, azobisisoheptonitrile, at least one in azo-bis-iso-dimethyl
Kind.
Preferably, in the preparation method of the loaded catalyst of this room temperature removal formaldehyde, manganese source presoma is permanganic acid
At least one of salt, manganate；It is further preferred that manganese source presoma is at least one of permanganate；Further
Preferably, manganese source presoma is potassium permanganate.
Preferably, in the preparation method of the loaded catalyst of this room temperature removal formaldehyde, reducing agent is oxalic acid, oxalic acid
At least one of salt, arabo-ascorbic acid, erythorbate, glucose；It is further preferred that reducing agent is oxalic acid, oxalic acid
At least one of ammonium, potassium oxalate, arabo-ascorbic acid, sodium isoascorbate, glucose；Still further preferably, reducing agent is
At least one of oxalic acid, ammonium oxalate, potassium oxalate.
Preferably, in the preparation method of the loaded catalyst of this room temperature removal formaldehyde, nano-titanium dioxide is rutile titania
Mine type nano-titanium dioxide；Dosage of the nano-titanium dioxide in High Internal Phase Emulsion is preferably 0.25~0.5 part；Further preferably
, the content of nano-titanium dioxide is the 10% of manganese source presoma；Still further preferably, the partial size of nano-titanium dioxide is
50-100nm。
Preferably, the preparation method of the loaded catalyst of this room temperature removal formaldehyde, specifically includes the following steps:
1) polymerized monomer, emulsifier and initiator are weighed by composition, mixes, obtains lotion oil phase；By manganese source presoma,
Reducing agent, nano-titanium dioxide and water are weighed by composition, and mixing obtains lotion water phase；
2) under agitation, lotion water phase is added in lotion oil phase, obtains High Internal Phase Emulsion；
3) High Internal Phase Emulsion is subjected to polymerization reaction, obtains polymer product；
4) polymer product is washed, it is dry, obtain the loaded catalyst of room temperature removal formaldehyde.
Preferably, sonicated after the raw material of lotion water phase is mixed in the step 1) of preparation method.
Preferably, the step 2) of preparation method specifically: under the revolving speed of 400r/min~600r/min, by lotion water phase
It is added in lotion oil phase, after adding lotion water phase, continuation is stirred under 800r/min~1200r/min revolving speed；Further,
The time for adding lotion water phase is 20min~30min；The time for continuing stirring is 3min~10min.
Preferably, in the step 2) of preparation method, lotion water phase is added to the mode of lotion oil phase to be added dropwise, was added dropwise
Journey keeps 8 DEG C~12 DEG C constant temperature.
Preferably, in the step 3) of preparation method, the temperature of polymerization reaction is 70 DEG C~90 DEG C, and the time of polymerization reaction is
10h~15h；It is further preferred that the temperature of polymerization reaction is 75 DEG C~85 DEG C, the time of polymerization reaction is 11h~13h.
Preferably, in the step 3) of preparation method, polymerization reaction carries out in closed container.
Preferably, it in the step 4) of preparation method, washs as using water and ethanol washing, dry is at 50 DEG C~70 DEG C
It is dried under vacuum to constant weight.
The beneficial effects of the present invention are:
Catalyst material preparation process of the invention is simple, at low cost, at room temperature can catalysis oxidation removal air in
Formaldehyde, suitable for removing the low concentration formaldehyde pollutant of the enclosure spaces such as automobile, room.
Specifically:
1) method that catalyst of the invention uses High Internal Phase Emulsion polymerization, by manganese dioxide load in macroporous polymer hole
Road, while a small amount of nano-titanium dioxide is adulterated, overcome noble metal defect at high cost.
2) catalyst material of the invention is without precious metal, and preparation process is simple, at low cost；Finished form is controllable, can do
At powdered, graininess, bulk or plate, it can also be carried on other carriers and be made into integral device；Material has intercommunication
Macroporous structure, pore structure is controllable, and aperture is big, is conducive to gas diffusion.
3) catalyst material of the invention at room temperature can by formaldehyde in air oxygenolysis, be suitable for removal room,
Low concentration (content of formaldehyde≤1mg/m in air of the enclosure spaces such as automobile3) formaldehyde pollutants.
Detailed description of the invention
Fig. 1 is embodiment and comparative example catalyst material formaldehyde removal test result figure；
Fig. 2 is the sample drawing of 1 catalyst of embodiment 1 and comparative example；
Fig. 3 is the scanning electron microscope (SEM) photograph of 1 catalyst material of embodiment.
Specific embodiment
The contents of the present invention are described in further detail below by way of specific embodiment.Original used in embodiment
Material unless otherwise specified, can be obtained from routine business approach.The dosage " part " of raw material refers both to mass parts in example.
Embodiment 1
Take 20 parts of polystyrene, 5 parts of divinylbenzenes, 2.5 parts of Spans, 80,0.25 parts of azodiisobutyronitriles in round-bottomed flask
In be uniformly mixed, as oily phase；Then 5 parts of potassium permanganate, 5 parts of ammonium oxalate, 0.5 part of nano-titanium dioxide is taken to be added 75 parts 10 DEG C
In deionized water, ultrasound 10 minutes in ultrasonic machine are placed in, as water phase.Water phase is added drop-wise to oil under the stirring of 500r/min revolving speed
Xiang Zhong, flask is placed on constant temperature in 10 DEG C of water baths during dropwise addition, and the entire time that process is added dropwise is 20-30min, and water phase is added dropwise
Finish, then by revolving speed be transferred to 1000r/min continue stir 5min obtain stable lotion.Then, lotion being transferred to can close
Polypropylene bottle in, then plastic bottle is placed on polymerization reaction 12 hours at 80 DEG C.Finally, by polymer material from plastic bottle
Middle taking-up is placed in drying in drying box, then primary with water and ethanol washing respectively, is placed at 60 DEG C and is dried under vacuum to constant weight, i.e.,
The catalyst material of this example can be obtained.
Embodiment 2
Take 20 parts of polystyrene, 5 parts of divinylbenzenes, 2.5 parts of Spans, 80,0.25 parts of azodiisobutyronitriles in round-bottomed flask
In be uniformly mixed, as oily phase；Then 5 parts of potassium permanganate, 5 parts of ammonium oxalate are taken to be dissolved in 75 parts of 10 DEG C of deionized waters, as water
Phase.Water phase is added drop-wise in oily phase under the stirring of 500r/min revolving speed, flask is placed on constant temperature in 10 DEG C of water baths during dropwise addition,
The entire time that process is added dropwise is 20-30min, and water phase is added dropwise, then revolving speed is transferred to 1000r/min continues to stir 5min and obtain
To stable lotion.Then, lotion is transferred in closed Polypropylene bottle, then plastic bottle is placed at 80 DEG C and is polymerize
Reaction 12 hours.Finally, polymer material is taken out from plastic bottle, it is placed in drying in drying box, then use water and ethyl alcohol respectively
It washed once, be placed at 60 DEG C and be dried under vacuum to constant weight, the catalyst material of this example can be obtained.
Embodiment 3
Take 20 parts of polystyrene, 5 parts of divinylbenzenes, 2.5 parts of Spans, 80,0.25 parts of azodiisobutyronitriles in round-bottomed flask
In be uniformly mixed, as oily phase；Then 2.5 parts of potassium permanganate, 2.5 parts of ammonium oxalate, 0.25 part of nano-titanium dioxide is taken to be added 75
In 10 DEG C of deionized waters of part, ultrasound 10 minutes in ultrasonic machine are placed in, as water phase.Water phase is dripped under the stirring of 500r/min revolving speed
It is added in oily phase, flask is placed on constant temperature in 10 DEG C of water baths during dropwise addition, and the entire time that process is added dropwise is 20-30min, water
Mutually be added dropwise, then by revolving speed be transferred to 1000r/min continue stir 5min obtain stable lotion.Then, lotion is transferred to
In closed Polypropylene bottle, then plastic bottle is placed on polymerization reaction 12 hours at 80 DEG C.Finally, by polymer material from
It is taken out in plastic bottle, is placed in drying in drying box, then is primary with water and ethanol washing respectively, be placed at 60 DEG C and be dried under vacuum to perseverance
Weight, can be obtained the catalyst material of this example.
Comparative example 1
Take 20 parts of polystyrene, 5 parts of divinylbenzenes, 2.5 parts of Spans, 80,0.25 parts of azodiisobutyronitriles in round-bottomed flask
In be uniformly mixed, as oily phase.75 parts of deionized waters are added drop-wise in oily phase under the stirring of 500r/min revolving speed, were entirely added dropwise
The time of journey is 20-30min, and water phase is added dropwise, then revolving speed is transferred to 1000r/min continues to stir 5min and obtain stable cream
Liquid.Then, lotion is transferred in closed Polypropylene bottle, then plastic bottle is placed at 65 DEG C and is polymerize 12 hours.Most
Afterwards, polymer material is taken out from plastic bottle, is placed in drying in drying box, then is primary with water and ethanol washing respectively, be placed in
It is dried under vacuum to constant weight at 60 DEG C, the catalyst material of this example can be obtained.
The catalyst material of above each example preparation is tested for the property on the fixed bed reactors continuously flowed.It will
Catalyst material is ground, and crosses the sieve of 80 mesh and 40 mesh, 50mg is taken to be filled in the glass tube of diameter 5mm, and catalyst is up and down with suitable
The silica wool of amount, which is filled, fixes.Under conditions of room temperature (20-25 DEG C) and relative humidity are 60%, it is passed through containing 1mg/m3Formaldehyde
Air (concentration of formaldehyde in simulated air), volume space velocity 15000h-1.By the concentration of formaldehyde of measurement inlet and outlet, calculating is urged
The formaldehyde removal rate of agent.
It is as shown in Fig. 1 that embodiment and comparative example catalyst material formaldehyde removes test result.It can be seen from figure 1 that load has
The embodiment PARA FORMALDEHYDE PRILLS(91,95) of manganese dioxide has lasting removal effect, and the comparative example 1 of unsupported manganese dioxide cannot continue removal first
Aldehyde.Wherein, embodiment 1 mixes nano-titanium dioxide, while the manganese dioxide content highest loaded, shows higher formaldehyde and goes
Except rate.It follows that catalyst material is influenced the removal effect of PARA FORMALDEHYDE PRILLS(91,95) by manganese dioxide load amount, while nanometer titanium dioxide
Titanium can promote formaldehyde to remove.To sum up, manganese dioxide load type catalyst of the present invention is at room temperature to low concentration formaldehyde
With good removal effect.
Attached drawing 2 is the sample drawing of 1 catalyst of embodiment 1 and comparative example.As it is clear from fig. 2 that after load manganese dioxide, catalyst
Material darkens, and specifically unsupported preceding sample is white, and it is soil that other loads, which have manganese dioxide embodiment sample,
Color.
Attached drawing 3 is the scanning electron microscope (SEM) photograph of 1 catalyst material of embodiment.It can be seen from figure 3 that catalyst material is in the macropore of intercommunication
Structure, manganese dioxide particulate load is in channel surfaces.Other loads have the embodiment material duct pattern of manganese dioxide and implement
Example 1 is similar.
It should be noted that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of loaded catalyst of room temperature removal formaldehyde, it is characterised in that: for the porous polymer of load manganese dioxide.
2. a kind of loaded catalyst of room temperature removal formaldehyde according to claim 1, it is characterised in that: manganese dioxide is born
Carrying capacity is the 5%~20% of porous polymeric amount of substance.
3. a kind of loaded catalyst of room temperature removal formaldehyde according to claim 1 or claim 2, it is characterised in that: described is more
Pore polymer is also loaded 0~5% nano-titanium dioxide for accounting for porous polymeric amount of substance.
4. a kind of any one of claims 1 to 3 preparation method of the loaded catalyst of room temperature removal formaldehyde, feature exist
In: by High Internal Phase Emulsion polymerization reaction, obtain the loaded catalyst of room temperature removal formaldehyde；The High Internal Phase Emulsion is by following
The raw material of mass parts forms: 10~25 parts of polymerized monomer, 1~2.5 part of emulsifier, and 0.1~0.25 part of initiator, manganese source presoma
1~5 part, 1~5 part of reducing agent, 0~0.5 part of nano-titanium dioxide, 72~88 parts of water.
5. a kind of preparation method of the loaded catalyst of room temperature removal formaldehyde according to claim 4, it is characterised in that: institute
The polymer monomer stated is styrene, divinylbenzene, p-chloromethyl styrene, glycidyl methacrylate, methyl-prop
E pioic acid methyl ester, butyl methacrylate, Tert-butyl Methacrylate, vinylacetate, acrylonitrile, dipropylene glycol diacrylate
At least one of.
6. a kind of preparation method of the loaded catalyst of room temperature removal formaldehyde according to claim 4, it is characterised in that: institute
The emulsifier stated is the one or more emulsifying agents that optional HLB value is 3~8.
7. a kind of preparation method of the loaded catalyst of room temperature removal formaldehyde according to claim 4, it is characterised in that: institute
The initiator stated is at least one of azo-initiator, peroxide initiator.
8. a kind of preparation method of the loaded catalyst of room temperature removal formaldehyde according to claim 4, it is characterised in that: institute
The manganese source presoma stated is at least one of permanganate, manganate.
9. a kind of preparation method of the loaded catalyst of room temperature removal formaldehyde according to claim 4, it is characterised in that: institute
The reducing agent stated is at least one of oxalic acid, oxalates, arabo-ascorbic acid, erythorbate, glucose.
10. according to a kind of any one of claim 4~9 preparation method of the loaded catalyst of room temperature removal formaldehyde,
It is characterized in that: specifically includes the following steps:
1) polymerized monomer, emulsifier and initiator are weighed by composition, mixes, obtains lotion oil phase；By manganese source presoma, reduction
Agent, nano-titanium dioxide and water are weighed by composition, and mixing obtains lotion water phase；
2) under agitation, lotion water phase is added in lotion oil phase, obtains High Internal Phase Emulsion；
3) High Internal Phase Emulsion is subjected to polymerization reaction, obtains polymer product；
4) polymer product is washed, it is dry, obtain the loaded catalyst of room temperature removal formaldehyde.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605973.2A CN109622065A (en) | 2018-12-26 | 2018-12-26 | A kind of loaded catalyst and preparation method thereof of room temperature removal formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811605973.2A CN109622065A (en) | 2018-12-26 | 2018-12-26 | A kind of loaded catalyst and preparation method thereof of room temperature removal formaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109622065A true CN109622065A (en) | 2019-04-16 |
Family
ID=66078013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811605973.2A Pending CN109622065A (en) | 2018-12-26 | 2018-12-26 | A kind of loaded catalyst and preparation method thereof of room temperature removal formaldehyde |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109622065A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420667A (en) * | 2019-07-19 | 2019-11-08 | 淮阴工学院 | Aerogel composite and preparation method thereof for formaldehyde catalytic decomposition |
| CN110449027A (en) * | 2019-08-13 | 2019-11-15 | 深圳众清人居科技有限公司 | A kind of material for air purification and preparation method thereof |
| CN110871067A (en) * | 2019-11-12 | 2020-03-10 | 湖南省尤利威科技有限公司 | Preparation method of carbon-based active manganese catalyst for purifying formaldehyde |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018005052A1 (en) * | 2016-06-30 | 2018-01-04 | Basf Corporation | Manganese oxide based catalyst and catalyst device for the removal of formaldehyde and volatile organic compounds |
| CN107789902A (en) * | 2016-09-07 | 2018-03-13 | 江苏瑞丰科技实业有限公司 | Nano-composite fiber PM2.5 electrostatic screen materials |
| CN108786925A (en) * | 2018-06-25 | 2018-11-13 | 福州大学 | A kind of preparation method of manganese and oxygen compound/composite material of plant fiber |
-
2018
- 2018-12-26 CN CN201811605973.2A patent/CN109622065A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018005052A1 (en) * | 2016-06-30 | 2018-01-04 | Basf Corporation | Manganese oxide based catalyst and catalyst device for the removal of formaldehyde and volatile organic compounds |
| CN107789902A (en) * | 2016-09-07 | 2018-03-13 | 江苏瑞丰科技实业有限公司 | Nano-composite fiber PM2.5 electrostatic screen materials |
| CN108786925A (en) * | 2018-06-25 | 2018-11-13 | 福州大学 | A kind of preparation method of manganese and oxygen compound/composite material of plant fiber |
Non-Patent Citations (1)
| Title |
|---|
| QUANYONG WANG ET AL.，: "Interfacial control of polyHIPE with nano-TiO2 particles and polyethylenimine toward actual application in CO2 capture", 《JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420667A (en) * | 2019-07-19 | 2019-11-08 | 淮阴工学院 | Aerogel composite and preparation method thereof for formaldehyde catalytic decomposition |
| CN110449027A (en) * | 2019-08-13 | 2019-11-15 | 深圳众清人居科技有限公司 | A kind of material for air purification and preparation method thereof |
| CN115364828A (en) * | 2019-08-13 | 2022-11-22 | 深圳众清人居科技有限公司 | Air purification material and air purification charcoal bag |
| CN110871067A (en) * | 2019-11-12 | 2020-03-10 | 湖南省尤利威科技有限公司 | Preparation method of carbon-based active manganese catalyst for purifying formaldehyde |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109622065A (en) | A kind of loaded catalyst and preparation method thereof of room temperature removal formaldehyde | |
| CN1043770C (en) | Process for preparing low density porous crosslinked polymeric materials | |
| EP1837348B2 (en) | Water-absorbing resin and method for manufacturing the same | |
| KR101789350B1 (en) | A process for the production of a superabsorbent polymer | |
| CN110302841A (en) | Preparation method of foamed nickel supported type bimetallic MOF base ozone catalyst and products thereof and application | |
| CN106944053A (en) | A kind of sludge carbon base type Fenton catalyst and its preparation method and application | |
| CN103709340B (en) | The method of Powdered Activated Carbon surface grafting NIPA | |
| JP5977839B2 (en) | Polyacrylic acid (salt) water-absorbing resin and method for producing the same | |
| CN105504760B (en) | It is a kind of to be used to handle hydrogel material containing heavy metal containing sewage and preparation method thereof | |
| CN109647431A (en) | A kind of catalyst, preparation method and the usage for catalytic ozonation processing used water difficult to degradate | |
| CN103908952B (en) | A kind of load the porous material of nano zero-valence copper particle, preparation method and application | |
| CN102355952A (en) | Catalyst with supported platinum-group metal, process for producing water in which hydrogen peroxide has been decomposed, process for producing water from which dissolved oxygen has been removed, and method of cleaning electronic part | |
| CN103272626A (en) | Composite catalyst taking pulverized fuel ash floating beads as matrix supported heteropoly acid, and preparation method and application of composite catalyst | |
| CN102553533A (en) | Method for preparing composite dephosphorus adsorbent by virtue of activated carbon fiber loaded with metal | |
| CN102626661A (en) | Strong-acid type polystyrene cation exchange resin as well as preparation method and application thereof | |
| CN106000298A (en) | Method for preparing KOH-based modified walnut shell biomass hydrothermal carbon | |
| CN104108783A (en) | Method for rapid, high-efficiency and selective degradation of trace benzopyrene in water | |
| CN105692582A (en) | Method for synthesizing mesoporous carbon material through saccharides without assistance of surfactant | |
| CN109776708A (en) | A kind of porous polymer material and preparation method thereof of room temperature removal air formaldehyde | |
| CN106881155A (en) | A kind of Au/TiO2/ metal organic framework composite photo-catalyst and preparation method and application | |
| CN104525260B (en) | Polymeric solid acid catalyst for esterification reaction and preparation method thereof | |
| CN109967128A (en) | A kind of optic catalytic composite material of rhodamine B degradation and its preparation method and application | |
| CN110394196A (en) | A kind of preparation method of nano-titanium dioxide-polyurethane sponge composite material | |
| CN110479044A (en) | A kind of gas trapping agent and its preparation method and application | |
| Gao et al. | Construction of hydroxyethyl cellulose/silica/graphitic carbon nitride solid foam for adsorption and photocatalytic degradation of dyes |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |