CN111518399A - Reaction type self-cleaning pavement cementing material based on photocatalysis and preparation method thereof - Google Patents
Reaction type self-cleaning pavement cementing material based on photocatalysis and preparation method thereof Download PDFInfo
- Publication number
- CN111518399A CN111518399A CN201911201891.6A CN201911201891A CN111518399A CN 111518399 A CN111518399 A CN 111518399A CN 201911201891 A CN201911201891 A CN 201911201891A CN 111518399 A CN111518399 A CN 111518399A
- Authority
- CN
- China
- Prior art keywords
- cementing material
- cleaning
- asphalt
- self
- photocatalytic
- 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
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/166—Magnesium halide, e.g. magnesium chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/168—Zinc halides
Abstract
The invention discloses a photocatalytic reaction type self-cleaning pavement cementing material and a preparation method thereof, wherein the cementing material comprises asphalt, a reinforcing agent, a cosolvent, an emulsifier and water, and the contents are as follows in percentage by mass: 10% -45%, reinforcing agent: 3% -10%, cosolvent: 1-3%, emulsifier: 3% -10%, water: 20-80%, oxygen releasing agent: 1% -5%; catalyst: 0.1 to 0.5 percent; the preparation method comprises the following steps: firstly, adding asphalt into a container, then adding an emulsifier and a cosolvent, then slowly adding water and continuously stirring for about 30 minutes, then adding a reinforcing agent and a catalyst, stirring for 3 minutes, then adding an oxygen release agent, and stirring for 3 minutes to obtain the self-cleaning tail gas pavement cementing material. The cementing material is used for preparing asphalt concrete pavement, solves the problem that modified asphalt or cement pavement has no cleaning capability, and is beneficial to the treatment of harmful tail gas.
Description
Technical Field
The invention relates to a waterproof material, in particular to a reaction type self-cleaning pavement cementing material based on photocatalysis and a preparation method thereof.
Background
Asphalt or cement is widely used as a pavement cementing material for highway pavement. Asphalt or cement as a cementing material has no capability of treating automobile exhaust or harmful gas, so that the harmful gas emission cannot be treated.
In order to increase the treatment of harmful gases, a cementing material capable of cleaning tail gas needs to be laid on the road surface, the domestic high-performance cementing material capable of cleaning tail gas mostly depends on import, and the technology of China is strictly blocked abroad.
Disclosure of Invention
The invention aims to solve the technical problem of providing a photocatalytic reaction type self-cleaning pavement cementing material and a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical means:
a reaction type self-cleaning pavement cementing material based on photocatalysis and a preparation method thereof comprise asphalt, a reinforcing agent, a cosolvent, an emulsifier and water, wherein the contents are as follows by mass percent respectively: 10% -45%, reinforcing agent: 3% -10%, cosolvent: 1-3%, emulsifier: 3% -10%, water: 20-80%, oxygen releasing agent: 1% -5%; catalyst: 0.1 to 0.5 percent.
Compared with the prior art, the outstanding characteristics are that:
the raw materials in the invention generate some synergistic effects, so that the asphalt is dissolved in water, and the photocatalysis-based reactive self-cleaning pavement cementing material with excellent performance and convenient construction can be obtained. The pavement paved by the cementing material has the function of cleaning tail gas and harmful gas, and is beneficial to simplifying the construction process, saving energy, reducing emission and treating the discharged harmful tail gas.
The further preferred technical scheme is as follows:
the asphalt is 361-70# road asphalt produced by Zhonghai oil.
The reinforcing agent is ZnCl2、MgCl2One or more of (a).
The cosolvent is a polyamine mixture.
The emulsifier is one or more of amine compounds.
The water is tap water with calcium and magnesium ion content not more than 120mg/l and pH value of 7.
The oxygen release agent is one or more of compounds capable of releasing oxygen free radicals, such as hydrogen peroxide, ozone and the like.
The catalyst is one or more of vanadium pentoxide, manganese dioxide and other compounds.
The preparation method of the reaction type self-cleaning pavement cementing material based on photocatalysis comprises the following steps: firstly, adding asphalt into a container, then adding an emulsifier and a cosolvent, then slowly adding water and continuously stirring for about 30 minutes, then adding a reinforcing agent and a catalyst, stirring for 3 minutes, then adding an oxygen release agent, and stirring for 3 minutes to obtain the self-cleaning tail gas pavement cementing material.
Drawings
FIG. 1 is an AC-13 assembly composition curve in which a is the lower limit of grading, b is the median of grading, c is the result of grading, and d is the upper limit of grading.
Detailed Description
The present invention will be further described with reference to the following examples.
The main equipment for preparation of the invention comprises: high-speed mixer, temperature control system, measurement system.
Example 1: ' Qiyi
The components are as follows: the asphalt is 70# road asphalt produced by Mediterranean oil by weight percent: 50 percent of reinforcing agent is ZnCl2: 4 percent, and the cosolvent is (n is 15-30) alkyl phosphatidyl ethanolamine mixture: 1%, and the emulsifier is octadecyl propylene diamine: 1%, water is tap water with pH 7: 38.9 percent, and the oxygen release agent is hydrogen peroxide: 5 percent, and the catalyst is vanadium pentoxide: 0.1 percent.
The preparation method comprises the following steps:
adding asphalt into a container, adding an emulsifier, slowly adding water, continuously stirring for about 30 minutes, adding a reinforcing agent and a catalyst, stirring for 3 minutes, adding an oxygen release agent, and stirring for 3 minutes. The self-cleaning tail gas pavement cementing material can be produced.
Example 2:
the components are as follows: the asphalt is 361-70# road asphalt produced by Zhonghai oil by weight percentage: 45 percent of reinforcing agent ZnCl2、 MgCl2The mass ratio of the mixture is 3: 1: 5% of cosolvent which is a mixture of (n ═ 15-30) alkyl phosphatidylethanolamine: 2 percent, wherein the emulsifier is a mixture of hexadecyl propylene diamine and octadecyl propylene diamine in a mass ratio of 2: 1: 2% water, pH 7 tap water: 41.8%, the oxygen releasing agent is ozone: 4%, catalyst is manganese dioxide: 0.2 percent.
The preparation method comprises the following steps: adding asphalt into a container, adding an emulsifier, slowly adding water, continuously stirring for about 30 minutes, adding a reinforcing agent and a catalyst, stirring for 3 minutes, adding an oxygen release agent, and stirring for 3 minutes. The self-cleaning tail gas pavement cementing material can be produced.
Example 3:
the components are as follows: the asphalt is 361-70# road asphalt produced by Zhonghai oil by weight percentage: 40% of reinforcing agent is MgCl2: 7% of cosolvent which is an alkyl phosphatidyl ethanolamine mixture (n is 15-30): 13%, emulsifier octadecylpropylene diamine: 4%, water is tap water with pH 7: 33.8 percent; the oxygen releasing agent is hydrogen peroxide: 4 percent, wherein the catalyst is a mixture of vanadium pentoxide and manganese dioxide in a mass ratio of 1: 0.2 percent.
The preparation method comprises the following steps:
adding asphalt into a container, adding an emulsifier, slowly adding water, continuously stirring for about 30 minutes, adding a reinforcing agent and a catalyst, stirring for 3 minutes, adding an oxygen release agent, and stirring for 3 minutes. The self-cleaning tail gas pavement cementing material can be produced.
Asphalt and cement test pieces prepared from the same raw materials under the same conditions are used as comparative examples, examples 1 to 3 are carried out under the same conditions, and a sample preparation method (wheel grinding method) of a T0703 asphalt mixture test piece in standard JTG E20-2011 road engineering asphalt and asphalt mixture test procedures is adopted, wherein the method is used for mixing the dosage of asphalt (the asphalt is the solid content)The mass of the crushed stone is 5 percent of that of the stone, the crushed stone aggregates adopt an AC-13 aggregate preparation mode (shown in table 1), and the cement comparative example is excluded; the standard test mold used was 300mm by 50mm, and the prepared blocks were separately cured at room temperature for 7 days. Then respectively placing at 1m3Filling with 1.5mg/m3And finally, exposing the glass box in a glass box with nitrogen dioxide concentration to irradiation under stable LED fluorescent lamps with the same intensity, detecting the nitrogen dioxide concentration change in the glass box after 24 hours, 48 hours and 72 hours, and calculating the removal rate, wherein the detection result is shown in a table 2:
TABLE 1 AC-13 Assembly Table
TABLE 2 detection results of nitrogen dioxide removal rate
Therefore, the preparation method of the reaction type self-cleaning pavement cementing material based on photocatalysis has simple and easy process, and can effectively reduce the content of harmful gases.
The cementing material is used for paving a road surface, solves the problem that the road surface using modified asphalt or cement has no cleaning capability, and is beneficial to the treatment of harmful gases.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (9)
1. A reaction type self-cleaning pavement cementing material based on photocatalysis and a preparation method thereof, comprises asphalt, a reinforcing agent, a cosolvent, an emulsifier and water, and is characterized in that: the asphalt comprises the following components in percentage by mass: 10% -45%, reinforcing agent: 3% -10%, cosolvent: 1-3%, emulsifier: 3% -10%, water: 20-80%, oxygen releasing agent: 1% -5%; catalyst: 0.1 to 0.5 percent.
2. The photocatalytic-based reactive self-cleaning pavement cementing material as claimed in claim 1, wherein: the asphalt is 361-70# road asphalt produced by Zhonghai oil.
3. The photocatalytic-based reactive self-cleaning pavement cementing material as claimed in claim 1, wherein: the reinforcing agent is ZnCl2、MgCl2One or more of (a).
4. The photocatalytic-based reactive self-cleaning pavement cementing material as claimed in claim 1, wherein: the cosolvent is a polyamine mixture.
5. The photocatalytic-based reactive self-cleaning pavement cementing material as claimed in claim 1, wherein: the emulsifier is one or more of amine compounds.
6. The photocatalytic reaction-based self-cleaning pavement cementing material as claimed in claim 1, wherein the water is tap water with calcium and magnesium ion content not more than 120mg/l and pH value of 7.
7. The photocatalytic-based reactive self-cleaning pavement cementing material as claimed in claim 1, wherein: the oxygen releasing agent is one or more of compounds capable of decomposing oxygen free radicals, such as hydrogen peroxide, ozone and the like.
8. The photocatalytic-based reactive self-cleaning pavement cementing material as claimed in claim 1, wherein: the catalyst is one or more of vanadium pentoxide, manganese dioxide and other compounds.
9. The method for preparing a photocatalytic reaction-based self-cleaning pavement cementing material according to any one of the patent claims 1 to 8, which is characterized by comprising the following steps: firstly, adding asphalt into a container, then adding an emulsifier and a cosolvent, then slowly adding water and continuously stirring for about 30 minutes, then adding a reinforcing agent and a catalyst, stirring for 3 minutes, then adding an oxygen release agent, and stirring for 3 minutes to obtain the self-cleaning tail gas pavement cementing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201891.6A CN111518399A (en) | 2019-11-29 | 2019-11-29 | Reaction type self-cleaning pavement cementing material based on photocatalysis and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201891.6A CN111518399A (en) | 2019-11-29 | 2019-11-29 | Reaction type self-cleaning pavement cementing material based on photocatalysis and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111518399A true CN111518399A (en) | 2020-08-11 |
Family
ID=71900541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911201891.6A Pending CN111518399A (en) | 2019-11-29 | 2019-11-29 | Reaction type self-cleaning pavement cementing material based on photocatalysis and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111518399A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011244A (en) * | 2022-06-08 | 2022-09-06 | 长安大学 | Self-oxygen-supply self-cleaning type coating for tail gas degradation and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785270A (en) * | 2014-12-31 | 2015-07-22 | 湖北工业大学 | Visible light catalysts used for treatment of methylene blue dye waste water and a preparing method thereof |
| CN104804445A (en) * | 2015-05-07 | 2015-07-29 | 江苏中路工程技术研究院有限公司 | Pavement tail gas degradation fog sealing layer material and preparation method thereof |
| CN107473633A (en) * | 2017-08-25 | 2017-12-15 | 扬州大学 | A kind of photocatalysis asphalt and preparation method thereof |
| CN107601979A (en) * | 2017-09-04 | 2018-01-19 | 南京林业大学 | Half-flexible pavement design of material method with degraded vehicle exhaust function |
| CN110358565A (en) * | 2019-08-01 | 2019-10-22 | 湖南交通职业技术学院 | A kind of emulsified asphalt for exhaust gas of degrading |
-
2019
- 2019-11-29 CN CN201911201891.6A patent/CN111518399A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104785270A (en) * | 2014-12-31 | 2015-07-22 | 湖北工业大学 | Visible light catalysts used for treatment of methylene blue dye waste water and a preparing method thereof |
| CN104804445A (en) * | 2015-05-07 | 2015-07-29 | 江苏中路工程技术研究院有限公司 | Pavement tail gas degradation fog sealing layer material and preparation method thereof |
| CN107473633A (en) * | 2017-08-25 | 2017-12-15 | 扬州大学 | A kind of photocatalysis asphalt and preparation method thereof |
| CN107601979A (en) * | 2017-09-04 | 2018-01-19 | 南京林业大学 | Half-flexible pavement design of material method with degraded vehicle exhaust function |
| CN110358565A (en) * | 2019-08-01 | 2019-10-22 | 湖南交通职业技术学院 | A kind of emulsified asphalt for exhaust gas of degrading |
Non-Patent Citations (4)
| Title |
|---|
| 伍斌等: "MnO2/NaY催化剂上NH3低温选择催化还原NOx", 《石油化工》 * |
| 全国勘察设计注册工程师环保专业管理委员会等: "《注册环保工程师专业考试复习教材 固体废弃物处理处置工程技术与实践 上 第4版》", 31 March 2017, 中国环境出版社 * |
| 向德辉等: "《固体催化剂》", 31 December 1983, 化学工业出版社 * |
| 邓亚梅等: "五氧化二钒类Fenton降解邻苯二甲酸二乙酯的机制研究", 《生态毒理学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011244A (en) * | 2022-06-08 | 2022-09-06 | 长安大学 | Self-oxygen-supply self-cleaning type coating for tail gas degradation and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102786243B (en) | Modified recycled aggregate and recycled aggregate high-performance concrete | |
| CN102873934B (en) | Paving brick for purifying air and preparation method thereof | |
| CN106477929A (en) | A kind of intensifying regenerating aggregate processing method and intensifying regenerating aggregate concrete | |
| CN109970402A (en) | A kind of regeneration concrete and preparation method thereof using discarded concrete | |
| CN107686322B (en) | Method for recycling waste artificial stone slurry | |
| CN104086131B (en) | Road pavements that building waste is prepared with agstone compound and preparation method thereof | |
| CN103922696B (en) | A kind of low emission high strength road basis and industrial process thereof and application | |
| CN101318191B (en) | Solidifying and stabilizing method for toxicity containing organic matter dangerous waste matter | |
| CN109607900B (en) | Harmless treatment method for drilling waste liquid and mud chips of oil and gas field | |
| CN104119043A (en) | Road paving material taking building waste as main material and preparation method of road paving material | |
| CN107902964A (en) | A kind of modification method for strengthening pervious concrete purifying property | |
| CN114230301A (en) | Phosphogypsum hardener and preparation method and application thereof | |
| CN109574582B (en) | Pervious concrete with heavy metal ion adsorption capacity and preparation method thereof | |
| CN108751874A (en) | A kind of high-performance color pervious asphalt concrete and preparation method thereof | |
| US4105463A (en) | Lime-fly ash-aggregate-sludge paving material | |
| CN107963903A (en) | A kind of autoclave aerated concrete building block prepared using sludge, carbide slag | |
| CN110526648B (en) | Tunnel sludge recycling method | |
| CN111518399A (en) | Reaction type self-cleaning pavement cementing material based on photocatalysis and preparation method thereof | |
| CN109503073A (en) | A kind of high-moisture percentage riverway sludge rapid curing curing agent and preparation method thereof | |
| CN105906268B (en) | A kind of dredging silt no-firing brick and preparation method thereof | |
| CN105985087B (en) | A kind of dephosphorization filler and preparation method thereof | |
| CN108298854B (en) | Sludge solidification/stabilization curing agent and preparation method and application thereof | |
| CN111099850A (en) | Concrete waste treatment process | |
| CN1037337C (en) | Deformation-proof material of bituminous concrete pavement and its preparation method | |
| CN109704669A (en) | A kind of method of discarded concrete regeneration |
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 |