CN107737524A - Air-purifying module removed for formaldehyde in indoor air pollutants and its preparation method and application - Google Patents
Air-purifying module removed for formaldehyde in indoor air pollutants and its preparation method and application Download PDFInfo
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- CN107737524A CN107737524A CN201710999157.3A CN201710999157A CN107737524A CN 107737524 A CN107737524 A CN 107737524A CN 201710999157 A CN201710999157 A CN 201710999157A CN 107737524 A CN107737524 A CN 107737524A
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- air
- catalyst
- formaldehyde
- purifying module
- manganese chloride
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2022—Potassium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2092—Aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention is used for air-purifying module of formaldehyde removal and its preparation method and application in indoor air pollutants to be a kind of, the air-purifying module is made up of module cavity with the catalyst that formaldehyde is removed in cavity is loaded on, it is using porous activated alumina or cordierite carrier as catalyst carrier to be loaded on catalyst therein, using the potassium permanganate of finite concentration acid treatment as active component, using manganese chloride as co-catalyst, it is prepared using infusion process.Air-purifying module preparation method of the present invention is simple, cost is low, will not cause secondary pollution, has very high practical value.The air-purifying module is suitable in a variety of air purifiers, can be applied to a variety of places, the purifying formaldehyde processing in such as office, office building, living room, market, hospital, hotel especially new clothes family expenses house place.
Description
Technical field
It is used for air-purifying module of formaldehyde removal and preparation method thereof in indoor air pollutants the present invention relates to a kind of
And application, the preparation of air-purifying module is removed for normal temperature formaldehyde, is related to adsoption catalysis and air pollution treatment technical field.Should
Air-purifying module is suitable in a variety of air purifiers, can be applied to a variety of places, such as office, office building, living room, business
The purifying formaldehyde processing in field, hospital, the hotel especially place such as new clothes family expenses house.
Background technology
With the continuous improvement of human living standards, interior decoration and decoration become increasingly popular and frequently, room air pollution
Also more prevalent, indoor air pollutants also result in the common concern of people.Wherein formaldehyde is most common in interior decoration
It is one of maximum pollutant of toxicity.Formaldehyde is mainly derived from furniture, woodwork sheet material and filler, knitted in indoor air pollutants
Thing, coating, wallpaper, carpet even curtain.The content of general newly-decorated its formaldehyde of house can be exceeded more than 6 times, then has individually
May be exceeded up to more than 40 times.Measured data illustrates that in the case of normally fitting up, the acquisition time of indoor formaldehyde can continue 3-
15 years.Formaldehyde is defined as carcinogenic and causes deformed material by the World Health Organization, is generally acknowledged allergen, and potential
One of strong mutagen, research shows：Formaldehyde has strong carcinogenic and tumor promotion.Formaldehyde threatens the mankind and depended on for existence
Living environment, therefore, how the formaldehyde effectively removed in indoor air pollutants be the whole people concern the problem of.
It is main using the control release from source and net using air currently for the formaldehyde in indoor air pollutants
Change the mode that equipment is purified.Control Form aldehyde release mainly to select environment-friendly materials from source, and be directed to and discharged
Or the formaldehyde of sustained release is mainly using ventilation and by the way of air purifier administered.Due to the formaldehyde release potential cycle
It is long, typically formaldehyde pollution is still had after new house is moved in the problem of.So in recent years, air cleaning facility is more and more general
And.Be directed to formaldehyde removal air-purifying module demand it is also increasing, PARA FORMALDEHYDE PRILLS(91,95) removal technology proposes more and more higher
Requirement.The mainstream technology used at present is charcoal absorption, wherein fewer company uses photocatalyst（Such as：Great Jin）, activity
Charcoal loaded Pt catalyst（Such as：Yadu）, nanometer ore deposit crystalline substance sorbing material（Such as SKG）.And acticarbon exist adsorption saturation and
The problem of secondary pollution, it is impossible to fundamentally solve formaldehyde pollution.How formaldehyde to be converted into nonhazardous at ambient temperature
Carbon dioxide and water be at present there is an urgent need to technology.
The content of the invention
For overcome the deficiencies in the prior art, present invention aims at：There is provided a kind of for formaldehyde in indoor air pollutants
The air-purifying module of removal.
Another object of the present invention is：The preparation method of above-mentioned air-purifying module is provided.
A further object of the present invention is：The application of above-mentioned air-purifying module is provided.
The object of the invention is realized by following proposal：It is a kind of to be used for the purification of air that formaldehyde removes in indoor air pollutants
Module, it is made up of module cavity and the catalyst for being loaded on removal formaldehyde in cavity, it is with porous to be loaded on catalyst therein
Activated alumina or cordierite carrier are catalyst carrier, using the potassium permanganate of finite concentration acid treatment as active component, with chlorine
Change manganese is co-catalyst, is prepared using infusion process, and the certain density acid is that molar concentration is 0.5 ~ 2.0mol/L high
Chloric acid or sulfuric acid, the load capacity of potassium permanganate accounts for the 2.37% ~ 4.74% of vehicle weight in the catalyst, the load capacity of manganese chloride
Account for the 0.15% ~ 0.45% of vehicle weight；The loadings of catalyst are 400g ~ 500g in the module, and filling thickness is 1 ~ 2cm, dress
It is 0.8 ~ 1L to fill out volume.
Air-purifying module core of the present invention is that the formaldehyde of filling in cavity removes catalyst, the catalyst
A small amount of manganese chloride is preferentially impregnated into carrier duct, is further continued for impregnating the permanganic acid of acid treatment after drying into carrier duct
Potassium.Using acid treatment potassium permanganate as active component, the oxidisability of potassium permanganate is significantly enhanced.Before impregnating acid potassium permanganate
The buffer that the manganese chloride a small amount of to carrier duct dipping makes catalyst form water in use, catalyst is moist and dry
Preferable removal effect can be kept under conditions of dry, suitable for a variety of environment.By Catalyst packing of the present invention in by
Cellular board and it is adhered in the cavity that the black screen cloth or non-woven fabrics on front and rear two sides form and obtains of the present invention going for formaldehyde
The air-purifying module removed.The module is attained by very high effect in removal of the weather dried and moistened for formaldehyde in air
Fruit.
The present invention provides a kind of preparation method for being used for the air-purifying module that formaldehyde removes in indoor air pollutants, bag
Include following steps：
The first step：By porous activated alumina or cordierite honeycomb carrier after ultrasonic cleaning, dried in 100 DEG C of baking ovens, its
Middle porous activated alumina is bead, and cordierite is spherical or cellular；
Second step：Prepare 0.02 ~ 0.06mol/L manganese chloride solution；
3rd step：The carrier impregnation in the certain mass first step is weighed in above-mentioned manganese chloride solution, impregnates 6 ~ 8h, 60 DEG C overnight
Dry, wherein in terms of the weight of carrier, the mass fraction of manganese chloride is 0.15% ~ 0.45%；
4th step：The potassium permanganate of certain mass is weighed, preparation molar concentration is 0.25 ~ 0.5mol/L liquor potassic permanganates；
5th step：Measure certain volume 70% perchloric acid or the concentrated sulfuric acid in the above-mentioned liquor potassic permanganate of certain volume, with go from
The stereometer of sub- water, prepare 0.5 ~ 2 mol/L perchloric acid or the liquor potassic permanganate of sulfuric acid acidifying；
6th step：Above-mentioned mixed solution is stirred into 1 ~ 3h at room temperature；
7th step：The treated carrier of the manganese chloride that is prepared in the step of certain mass the 3rd is weighed, using infusion process by certain mass
In the acid permanganate soln that carrier impregnation in above-mentioned steps is prepared in the 5th step of certain volume, 6 ~ 8h is stood,
60 DEG C are dried overnight, and the load capacity of wherein potassium permanganate accounts for vehicle weight 2.37% ~ 4.74%；
8th step：The above-mentioned Catalyst packing of certain mass is weighed in a certain size module cavity, wherein the dress of catalyst
The amount of filling out is 400g ~ 500g, and filling thickness is 1 ~ 2cm, and admission space is 0.8 ~ 1L.
The present invention a kind of air-purifying module is provided formaldehyde removes in air pollutants indoors in application.
The present invention provides a kind of air-purifying module removed for formaldehyde in indoor air pollutants and preparation method thereof,
The air-purifying module is using the potassium permanganate of acid treatment as active component, and acid treatment process significantly enhances potassium permanganate
Oxidisability.Manganese chloride is first impregnated into carrier duct as co-catalyst, the purification of air mould before impregnating acid treatment potassium permanganate
Block meets water during use can produce potassium chloride, and potassium chloride has high hygroscopicity, therefore can serve as the buffering of water
Agent, participate in reaction generation active component manganese oxide in time under the conditions of different humidity, the air-purifying module is being dried and is being moistened
Preferable clean-up effect can be kept under wet air ambient.And the air-purifying module is net compared to existing air on the market
Change block preparation method is simple, cost is low, will not cause secondary pollution, has of a relatively high purification efficiency, has very high
Practical value.
Heretofore described air-purifying module and preparation method thereof is compared in the market prior art feature：（1）
Catalyst introduces the design of the buffer of water in the design process in air-purifying module in the present invention, makes the purification of air mould
Block is maintained to preferable effect under the conditions of different humidity（2）The present invention is entered using certain density acid to potassium permanganate
Row processing, drastically increases purification efficiency（3）Air-purifying module preparation method of the present invention is simple, cost is low, no
Secondary pollution can be caused, there is very high practical value.
Embodiment
Embodiment 1
Weigh the chloride hydrate manganese of 0.97g bis- and be dissolved in 300ml deionized waters and be configured to 0.02mol/L manganese chloride solutions；Weigh
500g is through being cleaned by ultrasonic, dried activated alumina bead is impregnated in above-mentioned manganese chloride solution, stands 6 ~ 8h at room temperature,
60 DEG C are dried overnight, and obtain the activated alumina bead of manganese chloride modification.
Weigh 23.71g potassium permanganate and be dissolved in 300ml deionized waters and be configured to 0.50mol/L liquor potassic permanganates, Xiang Rong
The 36.5ml concentrated sulfuric acids are added in liquid, obtained mixed solution is stirred into 3h at room temperature.Weigh the above-mentioned prepared chlorinations of 500g
The activated alumina bead of manganese modification, while stirring acid permanganate soln with glass bar, side adds this bead, waits to fill thereto
After sub-dip stain is uniform, 6 ~ 8h is stood at room temperature, 60 DEG C are dried overnight.The Catalyst packing prepared by 500g is weighed in 27cm*
33cm*1cm is obtained and air-purifying module of the present invention is obtained in cavity, and cavity is stained with the cellular board of black screen cloth using both sides
Make, be denoted as No. 1.
Embodiment 2
Weigh 2.91 2 chloride hydrate manganese and be dissolved in 300ml deionized waters and be configured to 0.06mol/L manganese chloride solutions；Weigh 500g
Through being cleaned by ultrasonic, dried activated alumina bead is impregnated in above-mentioned manganese chloride solution, at room temperature 6 ~ 8h of standing, and 60
DEG C it is dried overnight, obtains the activated alumina bead of manganese chloride modification.
Weigh 23.71g potassium permanganate and be dissolved in 300ml deionized waters and be configured to 0.50mol/L liquor potassic permanganates, Xiang Rong
The 17.2ml concentrated sulfuric acids are added in liquid, obtained mixed solution is stirred into 3h at room temperature.Weigh the above-mentioned prepared chlorinations of 500g
The activated alumina bead of manganese modification, while stirring acid permanganate soln with glass bar, side adds this bead, waits to fill thereto
After sub-dip stain is uniform, 6 ~ 8h is stood at room temperature, 60 DEG C are dried overnight.The Catalyst packing prepared by 500g is weighed in 27cm*
33cm*1cm is obtained and air-purifying module of the present invention is obtained in cavity, and cavity is stained with the cellular board of black screen cloth using both sides
Make, be denoted as No. 2.
Embodiment 3
Weigh the chloride hydrate manganese of 2.91g bis- and be dissolved in 300ml deionized waters and be configured to, 0.06mol/L manganese chloride solutions；Weigh
500g is through being cleaned by ultrasonic, dried activated alumina bead is impregnated in above-mentioned manganese chloride solution, stands 6 ~ 8h at room temperature,
60 DEG C are dried overnight, and obtain the activated alumina bead of manganese chloride modification.
Weigh 23.71g potassium permanganate and be dissolved in 300ml deionized waters and be configured to 0.50mol/L liquor potassic permanganates, Xiang Rong
The 8.4ml concentrated sulfuric acids are added in liquid, obtained mixed solution is stirred into 3h at room temperature.Weigh chlorine prepared in 500g steps 1
Change the activated alumina bead of manganese modification, while stirring acid permanganate soln with glass bar, side adds this bead, treated thereto
After being sufficiently impregnated uniformly, 6 ~ 8h is stood at room temperature, 60 DEG C are dried overnight.Weigh Catalyst packing prepared by 500g in
27cm*33cm*1cm is obtained and air-purifying module of the present invention is obtained in cavity, and cavity is stained with black screen cloth using both sides
Cellular board is made, and is denoted as No. 3.
Embodiment 4
Weigh the chloride hydrate manganese of 2.91g bis- and be dissolved in 300ml deionized waters and be configured to, 0.06mol/L manganese chloride solutions；Weigh
500g is through being cleaned by ultrasonic, dried honeycomb-like cordierite is impregnated in above-mentioned manganese chloride solution, stands 6 ~ 8h at room temperature,
50 ~ 70 DEG C are dried overnight, and obtain the honeycomb-like cordierite of manganese chloride modification.
Weigh 23.71g potassium permanganate and be dissolved in 300ml deionized waters and be configured to 0.50mol/L liquor potassic permanganates, Xiang Rong
25.6ml perchloric acid is added in liquid, obtained mixed solution is stirred into 1h at room temperature.Prepared by weighing in 500g steps 1
The honeycomb-like cordierite of manganese chloride modification, while stirring acid permanganate soln with glass bar, side adds this bead, treated thereto
After being sufficiently impregnated uniformly, 6 ~ 8h is stood, 50 ~ 70 DEG C are dried overnight.The Catalyst packing prepared by 500g is weighed in 27cm*
33cm*1cm is obtained and air-purifying module of the present invention is obtained in cavity, and cavity is stained with the honeybee of ventilative non-woven fabrics using both sides
Nest plate is made, and is denoted as No. 4.
Embodiment 5
Weigh the chloride hydrate manganese of 1.94g bis- and be dissolved in 300ml deionized waters and be configured to, 0.04mol/L manganese chloride solutions；Weigh
500g is impregnated in above-mentioned manganese chloride solution through being cleaned by ultrasonic dried cordierite bead, at room temperature 6 ~ 8h of standing, 50 ~
70 DEG C are dried overnight, and obtain the cordierite bead of manganese chloride modification.
Weigh 11.85g potassium permanganate and be dissolved in 300ml deionized waters and be configured to 0.25mol/L liquor potassic permanganates, Xiang Rong
12.3ml perchloric acid is added in liquid, obtained mixed solution is stirred into 2h at room temperature.Prepared by weighing in 500g steps 1
The cordierite bead of manganese chloride modification, while stirring acid permanganate soln with glass bar, side adds this bead, waits to fill thereto
After sub-dip stain is uniform, 6 ~ 8h is stood, 50 ~ 70 DEG C are dried overnight.The Catalyst packing prepared by 400g is weighed in 27cm*
16.5cm*2cm is obtained and air-purifying module of the present invention is obtained in cavity, and cavity is stained with ventilative non-woven fabrics using both sides
Cellular board is made, and is denoted as No. 5.
Formaldehyde removes air-purifying module purification efficiency evaluation method
With reference to the method for testing described in national standard GB/T 1801-2015.
From the results shown in Table 1, removal tool of the air-purifying module prepared by the method for formaldehyde in air
There is preferable effect, and air-purifying module preparation method disclosed by the invention is simple, cost is cheap, will not cause secondary dirt
Dye, has very high practical value.
Claims (3)
1. a kind of be used for the air-purifying module that formaldehyde removes in indoor air pollutants, it is characterised in that the purification of air
Module is made up of module cavity with the catalyst that formaldehyde is removed in cavity is loaded on, and it is with porous work to be loaded on catalyst therein
Property aluminum oxide or cordierite carrier are catalyst carrier, using molar concentration as 0.5 ~ 2.0mol/L perchloric acid or the height of sulfuric acid treatment
Potassium manganate is active component, using manganese chloride as co-catalyst, is prepared using infusion process, potassium permanganate in the catalyst
Load capacity accounts for the 2.37% ~ 4.74% of vehicle weight, and the load capacity of manganese chloride accounts for the 0.15% ~ 0.45% of vehicle weight；In the module
The loadings of catalyst are 400g ~ 500g, and filling thickness is 1 ~ 2cm, and admission space is 0.8 ~ 1L.
A kind of 2. preparation according to claim 1 for being used for the air-purifying module that formaldehyde removes in indoor air pollutants
Method, it is characterised in that comprise the following steps：
The first step：By porous activated alumina or cordierite honeycomb carrier after ultrasonic cleaning, dried in 100 DEG C of baking ovens, its
Middle porous activated alumina is bead, and cordierite is spherical or cellular；
Second step：Prepare 0.02 ~ 0.06mol/L manganese chloride solution；
3rd step：The carrier impregnation in the certain mass first step is weighed in above-mentioned manganese chloride solution, impregnates 6 ~ 8h, 60 DEG C overnight
Dry, wherein in terms of the weight of carrier, the mass fraction of manganese chloride is 0.15% ~ 0.45%；
4th step：The potassium permanganate of certain mass is weighed, preparation molar concentration is 0.25 ~ 0.5mol/L liquor potassic permanganates；
5th step：Measure certain volume 70% perchloric acid or the concentrated sulfuric acid in the above-mentioned liquor potassic permanganate of certain volume, with go from
The stereometer of sub- water, prepare 0.5 ~ 2 mol/L perchloric acid or the liquor potassic permanganate of sulfuric acid acidifying；
6th step：Above-mentioned mixed solution is stirred into 1 ~ 3h at room temperature；
7th step：The treated carrier of the manganese chloride that is prepared in the step of certain mass the 3rd is weighed, using infusion process by certain mass
In the acid permanganate soln that carrier impregnation in above-mentioned steps is prepared in the 5th step of certain volume, 6 ~ 8h is stood,
60 DEG C are dried overnight, and the load capacity of wherein potassium permanganate accounts for vehicle weight 2.37% ~ 4.74%；
8th step：The above-mentioned Catalyst packing of certain mass is weighed in a certain size module cavity, wherein the dress of catalyst
The amount of filling out is 400g ~ 500g, and filling thickness is 1 ~ 2cm, and admission space is 0.8 ~ 1L.
3. application of the air-purifying module during formaldehyde removes in air pollutants indoors according to claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710999157.3A CN107737524B (en) | 2017-10-24 | 2017-10-24 | Air purification module for removing formaldehyde in indoor air pollutants and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999157.3A CN107737524B (en) | 2017-10-24 | 2017-10-24 | Air purification module for removing formaldehyde in indoor air pollutants and preparation method and application thereof |
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| CN107737524A true CN107737524A (en) | 2018-02-27 |
| CN107737524B CN107737524B (en) | 2021-06-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126837A (en) * | 2018-09-30 | 2019-01-04 | 浙江净威环境科技有限公司 | A kind of efficient low concentration purifying indoor formaldehyde catalyst |
| CN113262796A (en) * | 2021-06-07 | 2021-08-17 | 河南省科学院 | Non-noble metal catalyst and method for producing low-carbon alcohol liquid fuel by catalytically reforming biomass synthesis gas with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198405A (en) * | 2011-04-01 | 2011-09-28 | 天津工业大学 | Composite catalyst for purifying indoor formaldehyde and preparation method of composite catalyst |
| WO2012167280A1 (en) * | 2011-06-03 | 2012-12-06 | The Regents Of The University Of California | Manganese oxide and activated carbon fibers for removing particle, voc or ozone from a gas |
| CN104190251A (en) * | 2014-09-09 | 2014-12-10 | 清华大学 | Air purification material and preparation method and application thereof |
| CN104324686A (en) * | 2014-10-17 | 2015-02-04 | 中科润蓝环保技术（北京）有限公司 | Indoor air purifying agent, preparation method thereof, and indoor air purifier filter screen |
| CN104857840A (en) * | 2014-02-26 | 2015-08-26 | 绿普达(北京)科技有限公司 | Novel purifying material for removing indoor formaldehyde and common peculiar smell and preparation method therefor |
| CN106268620A (en) * | 2016-09-21 | 2017-01-04 | 曲阜师范大学 | A kind of preparation method of load-type solid acid formaldehyde eliminating agent |
-
2017
- 2017-10-24 CN CN201710999157.3A patent/CN107737524B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198405A (en) * | 2011-04-01 | 2011-09-28 | 天津工业大学 | Composite catalyst for purifying indoor formaldehyde and preparation method of composite catalyst |
| WO2012167280A1 (en) * | 2011-06-03 | 2012-12-06 | The Regents Of The University Of California | Manganese oxide and activated carbon fibers for removing particle, voc or ozone from a gas |
| CN104857840A (en) * | 2014-02-26 | 2015-08-26 | 绿普达(北京)科技有限公司 | Novel purifying material for removing indoor formaldehyde and common peculiar smell and preparation method therefor |
| CN104190251A (en) * | 2014-09-09 | 2014-12-10 | 清华大学 | Air purification material and preparation method and application thereof |
| CN104324686A (en) * | 2014-10-17 | 2015-02-04 | 中科润蓝环保技术（北京）有限公司 | Indoor air purifying agent, preparation method thereof, and indoor air purifier filter screen |
| CN106268620A (en) * | 2016-09-21 | 2017-01-04 | 曲阜师范大学 | A kind of preparation method of load-type solid acid formaldehyde eliminating agent |
Non-Patent Citations (1)
| Title |
|---|
| 秦浩正等: "《中学生学习辞典化学卷》", 30 September 2012, 上海：世界图书上海出版公司 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126837A (en) * | 2018-09-30 | 2019-01-04 | 浙江净威环境科技有限公司 | A kind of efficient low concentration purifying indoor formaldehyde catalyst |
| CN113262796A (en) * | 2021-06-07 | 2021-08-17 | 河南省科学院 | Non-noble metal catalyst and method for producing low-carbon alcohol liquid fuel by catalytically reforming biomass synthesis gas with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107737524B (en) | 2021-06-04 |
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