CN108508133A - The detection method of nitrogen oxides in a kind of catalysis material Cleaning Air - Google Patents
The detection method of nitrogen oxides in a kind of catalysis material Cleaning Air Download PDFInfo
- Publication number
- CN108508133A CN108508133A CN201810226329.8A CN201810226329A CN108508133A CN 108508133 A CN108508133 A CN 108508133A CN 201810226329 A CN201810226329 A CN 201810226329A CN 108508133 A CN108508133 A CN 108508133A
- Authority
- CN
- China
- Prior art keywords
- catalysis material
- nitrogen oxides
- detection method
- test
- cleaning air
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/96—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation using ion-exchange
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Surface Treatment Of Glass (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a kind of detection method of nitrogen oxides in catalysis material Cleaning Air, the test board that surface is uniformly coated with to catalysis material is positioned in outdoor air；After placing the predetermined detection time, eluting on one side for catalysis material is coated with to the test board with water, and collect liquid after elution；Then ion chromatography is carried out to liquid after collected elution, obtains the content of nitrate anion in liquid after collected elution；The area of the catalysis material of content and test plate surface coating further according to the nitrate anion, calculates removal amount of the catalysis material to NO_x in Air Environment of unit area in the predetermined detection time.The present invention can easily and accurately detect that catalysis material helps to push application of the catalysis material in air improvement to the removal effect of NO_x in Air Environment to keep testing result more realistic in actual environment.
Description
Technical field
The present invention relates to a kind of inspections of nitrogen oxides in field of photocatalytic material more particularly to catalysis material Cleaning Air
Survey method.
Background technology
In recent years, it is had been to be concerned by more and more people come object of curbing environmental pollution using multiphase photocatalysis reaction.Photocatalysis
Material is to carry out the important source material of multiphase photocatalysis reaction, and titanium dioxide is that a kind of oxidability is strong, chemical property stablizes nothing
The catalysis material of poison, therefore it is considered as a kind of most having the big of application prospect to carry out multiphase photocatalysis reaction using titanium dioxide
Gas Treatment process.When ultraviolet lighting is mapped to titanium dioxide surface, titanium dioxide, which can be excited, generates light induced electron and hole, and
These light induced electrons and hole can be reacted with the oxygen and water for being adsorbed on its surface, generate such as hydroxyl radical free radical, super oxygen bear from
Sub- isoreactivity substance, these active materials can be with the NO_x formation nitrate in oxidation atmosphere, so as to reach purification
The purpose of NO_x in Air Environment.
In the prior art, detection catalysis material is all in laboratory simulation item to the method for nitrogen oxides removal effect
Carried out under part, but due in actual environment intensity of illumination and atmospheric gaseous components it is complicated and changeable, laboratory simulation item
Testing result under part can not accurately reflect in actual environment catalysis material to the removal effect of nitrogen oxides.
Invention content
For above-mentioned shortcoming in the prior art, the present invention provides nitrogen oxygen in a kind of catalysis material Cleaning Air
The detection method of compound can easily and accurately detect removal of the catalysis material to NO_x in Air Environment in actual environment
Effect helps to push application of the catalysis material in air improvement to keep testing result more realistic.
The purpose of the present invention is what is be achieved through the following technical solutions：
Surface is uniformly coated with catalysis material by the detection method of nitrogen oxides in a kind of catalysis material Cleaning Air
Test board be positioned in outdoor air；After placing the predetermined detection time, photocatalysis material is coated with to the test board with water
Material is eluted on one side, and collects liquid after elution；Then ion chromatography is carried out to liquid after collected elution, obtained
Go out the content of nitrate anion in liquid after collected elution；Content and the test plate surface further according to the nitrate anion apply
The area of the catalysis material covered calculates the catalysis material of unit area in the predetermined detection time to NO_x in Air Environment
Removal amount.
Preferably, the thickness of the catalysis material of the test plate surface coating is 5~10 μm.
Preferably, it is three times to the number eluted on one side coated with catalysis material of the test board with water.
Preferably, the test board is one or more glass plate.
Preferably, the test board is the four pieces of test boards to form a circle, and this four pieces of test boards are coated with light
The one side of catalysis material is outwardly.
As seen from the above technical solution provided by the invention, in catalysis material Cleaning Air provided by the present invention
The test board that surface is uniformly coated with catalysis material by the detection method of nitrogen oxides is positioned in outdoor air, pre- placing
Determine to be coated with being eluted on one side and collecting liquid after elution for catalysis material to test board with water after detection time, then right
Liquid carries out ion chromatography and obtains the content of nitrate anion after collected elution, and then when can calculate predetermined detection
Removal amount of the catalysis material of interior unit area to NO_x in Air Environment.As it can be seen that the present invention can be examined easily and accurately
The removal effect of catalysis material in actual environment to NO_x in Air Environment is measured, so as to so that testing result more suits reality
Border helps to push application of the catalysis material in air improvement.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not having
There is the every other embodiment obtained under the premise of making the creative labor, belongs to protection scope of the present invention.
The detection method of nitrogen oxides in catalysis material Cleaning Air provided by the present invention is retouched in detail below
It states.
Surface is uniformly coated with catalysis material by the detection method of nitrogen oxides in a kind of catalysis material Cleaning Air
Test board be positioned in outdoor air；Place the predetermined detection time (such as：The predetermined detection time can be one week, two weeks,
One month etc.) after, eluting on one side for catalysis material is coated with to the test board with water, and collect liquid after elution
Body；Then ion chromatography is carried out to liquid after collected elution, obtains after collected elution nitrate anion in liquid
Content；The area of the catalysis material of content and test plate surface coating further according to the nitrate anion, you can calculate
Go out removal amount of the catalysis material to NO_x in Air Environment of unit area in the predetermined detection time.
Specifically, the detection method of nitrogen oxides includes following embodiments in the catalysis material Cleaning Air：
(1) thickness of the catalysis material of the test plate surface coating is 5~10 μm.
(2) with water to the number eluted on one side coated with catalysis material of the test board preferably three times,
After this can make the nitrate of the test plate surface be cleaned the elution as possible in liquid, so as to improve detection knot
The accuracy of fruit.
(3) for convenience calculate test plate surface coating catalysis material area, test board may be used one piece or
Multiple pieces of glass tablet can also use cylinder, cuboid, square, cylinder, cone, the circle being made of multiple pieces of glass tablet
The stereoscopic article of the rule such as stage body can also use glass spheres.In practical applications, four to form a circle may be used in test board
Block glass plate, and the one side coated with catalysis material of this four blocks of glass plates is outwardly, this four blocks of glass plates point
Do not keep actual result more realistic to help to receive the illumination of this four direction towards four corners of the world four direction.
(4) use ion chromatography that can exclude the interference of other ions, improve final detection result convenience and
Accuracy.Ion Chromatographic Method in the prior art may be used in the ion chromatography, or using in the prior art
Ion chromatography apparatus analyzed.
(5) the predetermined detection time described in can be determined according to actual detection demand, such as：If detecting one
Catalysis material in week is to the removal amount of NO_x in Air Environment, then the predetermined detection time is exactly one week.
In order to more clearly from show technical solution provided by the present invention and generated technique effect, below with tool
The detection method of nitrogen oxides in catalysis material Cleaning Air provided by the present invention is described in detail in body embodiment.
Embodiment 1
The detection method of nitrogen oxides in a kind of catalysis material Cleaning Air takes the glass plate of four pieces of 50X50cm to make
For test board, and using 0.2g catalysis materials (such as：The catalysis material can be titanium dioxide) it is coated uniformly on test
One side surface of plate forms four pieces of test boards with photocatalysis coating.Then this four pieces of test boards are vertically placed on outdoor
It in air, and forms a circle, makes the one side coated with catalysis material of this four pieces of test boards outwardly, this four pieces of test boards point
Not towards four corners of the world four direction.It places after a week, photocatalysis material is coated with to this four pieces of test boards respectively with 50ml water
Material is eluted on one side, is eluted 3 times, and collects liquid after elution.Then ion color is carried out to liquid after collected elution
Spectrum analysis obtains the content of nitrate anion in liquid after collected elution.Content further according to the nitrate anion and the survey
The area of the catalysis material of test plate (panel) surface coating, you can calculate the catalysis material of unit area in one week to nitrogen in air
The removal amount of oxide.
To sum up, the embodiment of the present invention can easily and accurately detect that catalysis material is in air in actual environment
The removal effect of nitrogen oxides helps to push catalysis material in air improvement to keep testing result more realistic
Application.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (5)
1. the detection method of nitrogen oxides in a kind of catalysis material Cleaning Air, which is characterized in that surface to be uniformly coated with
The test board of catalysis material is positioned in outdoor air；After placing the predetermined detection time, the coating with water to the test board
There is being eluted on one side for catalysis material, and collects liquid after elution；Then ion is carried out to liquid after collected elution
Chromatography obtains the content of nitrate anion in liquid after collected elution；Content further according to the nitrate anion and described
The area of the catalysis material of test plate surface coating, calculates the catalysis material of unit area in the predetermined detection time to big
The removal amount of nitrogen oxides in gas.
2. the detection method of nitrogen oxides in catalysis material Cleaning Air according to claim 1, which is characterized in that institute
The thickness for stating the catalysis material of test plate surface coating is 5~10 μm.
3. the detection method of nitrogen oxides, feature exist in catalysis material Cleaning Air according to claim 1 or 2
In being three times to the number eluted on one side coated with catalysis material of the test board with water.
4. the detection method of nitrogen oxides, feature exist in catalysis material Cleaning Air according to claim 1 or 2
In the test board is one or more glass plate.
5. the detection method of nitrogen oxides, feature exist in catalysis material Cleaning Air according to claim 1 or 2
In, the test board be the four pieces of test boards to form a circle, and one coated with catalysis material of this four pieces of test boards
Face is outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226329.8A CN108508133A (en) | 2018-03-19 | 2018-03-19 | The detection method of nitrogen oxides in a kind of catalysis material Cleaning Air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810226329.8A CN108508133A (en) | 2018-03-19 | 2018-03-19 | The detection method of nitrogen oxides in a kind of catalysis material Cleaning Air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108508133A true CN108508133A (en) | 2018-09-07 |
Family
ID=63376788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810226329.8A Pending CN108508133A (en) | 2018-03-19 | 2018-03-19 | The detection method of nitrogen oxides in a kind of catalysis material Cleaning Air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108508133A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512949A (en) * | 2011-12-22 | 2012-06-27 | 中山大学 | Method for treating exhaust gases by utilizing wet polyphase visible light catalytic oxidation |
| CN105651943A (en) * | 2016-01-25 | 2016-06-08 | 中南大学 | Method for testing performance of nano TiO2 materials on photocatalytic degradation of automobile exhaust |
| CN205349483U (en) * | 2015-12-04 | 2016-06-29 | 河北科技大学 | System for test diesel oil tail gas catalysis purifying effect |
| CN106257277A (en) * | 2016-06-03 | 2016-12-28 | 北京建筑大学 | A kind of catalysis material is to the evaluating apparatus of PM2.5 degradation effect and evaluation methodology |
| CN206082105U (en) * | 2016-08-29 | 2017-04-12 | 浙江工业大学 | Device of light / hot dual drive catalysis coupling biological purification VOCs waste gas |
| CN106645549A (en) * | 2016-09-06 | 2017-05-10 | 南京林业大学 | Method for evaluating vehicle exhaust degradation effect in simulated tunnel environment |
| CN107238674A (en) * | 2017-06-12 | 2017-10-10 | 富思特新材料科技发展股份有限公司 | A kind of light catalyzed coating purifies the detection method of sulfur dioxide |
-
2018
- 2018-03-19 CN CN201810226329.8A patent/CN108508133A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102512949A (en) * | 2011-12-22 | 2012-06-27 | 中山大学 | Method for treating exhaust gases by utilizing wet polyphase visible light catalytic oxidation |
| CN205349483U (en) * | 2015-12-04 | 2016-06-29 | 河北科技大学 | System for test diesel oil tail gas catalysis purifying effect |
| CN105651943A (en) * | 2016-01-25 | 2016-06-08 | 中南大学 | Method for testing performance of nano TiO2 materials on photocatalytic degradation of automobile exhaust |
| CN106257277A (en) * | 2016-06-03 | 2016-12-28 | 北京建筑大学 | A kind of catalysis material is to the evaluating apparatus of PM2.5 degradation effect and evaluation methodology |
| CN206082105U (en) * | 2016-08-29 | 2017-04-12 | 浙江工业大学 | Device of light / hot dual drive catalysis coupling biological purification VOCs waste gas |
| CN106645549A (en) * | 2016-09-06 | 2017-05-10 | 南京林业大学 | Method for evaluating vehicle exhaust degradation effect in simulated tunnel environment |
| CN107238674A (en) * | 2017-06-12 | 2017-10-10 | 富思特新材料科技发展股份有限公司 | A kind of light catalyzed coating purifies the detection method of sulfur dioxide |
Non-Patent Citations (2)
| Title |
|---|
| 梁夫艳 等: "气相中甲苯的臭氧-光催化降解", 《环境科学》 * |
| 祝静艳 等: "弱紫外光下NOx气相光催化氧化研究", 《中山大学学报(自然科学版)》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zheng et al. | Industrial sector-based volatile organic compound (VOC) source profiles measured in manufacturing facilities in the Pearl River Delta, China | |
| Zhou et al. | Tetrabromobisphenol A contamination and emission in printed circuit board production and implications for human exposure | |
| Massey et al. | Particles in different indoor microenvironments-its implications on occupants | |
| Wysocka et al. | Determination of cadmium, copper, mercury, lead and zinc mass fractions in marine sediment by isotope dilution inductively coupled plasma mass spectrometry applied as a reference method | |
| US8286517B2 (en) | Aerosol particle deposition on surfaces | |
| Firdaus et al. | Preconcentration of Zr, Hf, Nb, Ta and W in seawater using solid-phase extraction on TSK-8-hydroxyquinoline resin and determination by inductively coupled plasma-mass spectrometry | |
| Vilarigues et al. | Corrosion of 15th and early 16th century stained glass from the monastery of Batalha studied with external ion beam | |
| CN104792854B (en) | Real-time, the online quick mass spectrometry system and method for a kind of submicron aerosol chemical composition | |
| Chang et al. | Development of an automated method for simultaneous determination of low molecular weight aliphatic amines and ammonia in ambient air by diffusion scrubber coupled to ion chromatography | |
| WO2023072011A1 (en) | Soil cd/pb composite pollution bimetallic isotope source analysis method and system | |
| Chao et al. | Indoor and outdoor concentrations of polybrominated diphenyl ethers on respirable particulate in central and southern Taiwan | |
| Jin et al. | Pollution characteristics and sources of polybrominated diphenyl ethers in indoor air and dustfall measured in university laboratories in Hangzhou, China | |
| CN108508133A (en) | The detection method of nitrogen oxides in a kind of catalysis material Cleaning Air | |
| Kim et al. | Investigating the impact of relative humidity and air tightness on PM sedimentation and concentration reduction | |
| CN102488555A (en) | Method for simulating dust aerosol personal exposure and special device for method | |
| Song et al. | Roles of Regional Transport and Vertical Mixing in Aerosol Pollution in Shanghai Over the COVID‐19 Lockdown Period Observed Above Urban Canopy | |
| Samie et al. | Atmospheric corrosion effects of HNO3—method development and results on laboratory-exposed copper | |
| Kubota et al. | Comprehensive analysis of laboratory boron contamination for boron isotope analyses of small carbonate samples | |
| Priller et al. | Accelerator mass spectrometry of particle-bound 10Be | |
| Haupt et al. | Preparation of quartz fibre filter standards for x‐ray fluorescence analysis of aerosol samples | |
| Hu et al. | A smog chamber facility for qualitative and quantitative study on atmospheric chemistry and secondary organic aerosol | |
| CN114544281A (en) | Method for measuring cesium and compounds thereof in air of workplace | |
| WO2017101285A1 (en) | Tracing method for distribution of mobile ions in ionic migration spectrometer | |
| JP6219761B2 (en) | Method and apparatus for analyzing mycolic acid | |
| CN113740492A (en) | Method for testing formaldehyde removal effect of air purifying agent |
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: 20180907 |