CN114288832A - Efficient agent for treating nitrogen oxides in waste gas - Google Patents
Efficient agent for treating nitrogen oxides in waste gas Download PDFInfo
- Publication number
- CN114288832A CN114288832A CN202111639013.XA CN202111639013A CN114288832A CN 114288832 A CN114288832 A CN 114288832A CN 202111639013 A CN202111639013 A CN 202111639013A CN 114288832 A CN114288832 A CN 114288832A
- Authority
- CN
- China
- Prior art keywords
- sodium
- mass
- stirring
- reaction kettle
- water
- 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
Landscapes
- Treating Waste Gases (AREA)
Abstract
The invention discloses a high-efficiency agent for treating nitrogen oxides in waste gas, and relates to the field of waste gas treatment. The high-efficiency medicament for treating the nitrogen oxides in the waste gas comprises the following raw materials: sodium hydroxide, sodium sulfide, sodium carbonate, sodium sulfate, sodium hypochlorite, hydrogen peroxide, sodium persulfate and water; the preferred scheme is composed of the following raw materials by mass percent: 35% -40% of sodium hydroxide; 5% -10% of sodium sulfide; 1% -2% of sodium carbonate; 2 to 5 percent of sodium sulfate; 0.5 to 1 percent of hydrogen peroxide; 40% -50% of water; the substitute scheme comprises the following raw materials in percentage by mass: 40% -55% of sodium hydroxide; 0.5 to 1.5 percent of sodium carbonate; 1% -2% of sodium hypochlorite; 5% -9% of sodium persulfate; 35 to 50 percent of water. The efficient medicament for treating the nitrogen oxides in the waste gas has the advantages of convenient operation, rapid reaction, high removal rate of the nitrogen oxides and yellow smoke, wide sources of raw materials for preparing a medicament formula, easy control of production conditions, strict on-site execution according to an operation instruction manual, guarantee of medicament concentration and reaction conditions, good treatment effect and feasibility of practical popularization.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a high-efficiency agent for treating nitrogen oxides in waste gas.
Background
Nitric acid is widely applied to various industries as a common chemical product, particularly, the industries such as electroplating, anodic oxidation, surface treatment, steel, electronics and the like are more common, when nitric acid is added as a process medicament and meets reduction medicaments such as ironware, metal and the like, side reaction is generated, nitrate ions are reduced to generate NO and NO2 gas, and the gas is discharged into the air to form yellow smoke, commonly called yellow smoke.
The traditional method is that the generated yellow smoke is collected and enters a spray tower, and a sodium hydroxide solution is sprayed into the spray tower to absorb a part of nitrogen oxides to generate sodium nitrate, so that the purpose of reducing the yellow smoke is achieved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a high-efficiency medicament for treating nitrogen oxides in exhaust gas, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a high-efficiency agent for treating nitrogen oxides in exhaust gas comprises the following raw materials: sodium hydroxide, sodium sulfide, sodium carbonate, sodium sulfate, sodium hypochlorite, hydrogen peroxide, sodium persulfate and water;
the preferred scheme is composed of the following raw materials by mass percent:
35% -40% of sodium hydroxide;
5% -10% of sodium sulfide;
1% -2% of sodium carbonate;
2 to 5 percent of sodium sulfate;
0.5 to 1 percent of hydrogen peroxide;
40% -50% of water;
the substitute scheme comprises the following raw materials in percentage by mass:
40% -55% of sodium hydroxide;
0.5 to 1.5 percent of sodium carbonate;
1% -2% of sodium hypochlorite;
5% -9% of sodium persulfate;
35 to 50 percent of water.
Preferably, the preferred scheme comprises the following two production processes:
the process A comprises the following steps:
s1, firstly, adding 40-50% by mass of water into a reaction kettle, then adding 0.5-0.1% by mass of hydrogen peroxide into the reaction kettle, and stirring the mixture at low speed and normal temperature in the water to fully dissolve the mixture;
s2, adding 35-40% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-10% by mass of sodium sulfide into the reaction kettle, and stirring at a low speed until the sodium sulfide is fully dissolved;
s4, adding 1-2% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved;
s5, adding sodium sulfate accounting for 2-5% of the mass percent into the reaction kettle, and stirring at a low speed until the sodium sulfate is fully dissolved;
and a process B:
s1, firstly, adding 40-50% of water and 0.5-0.1% of hydrogen peroxide in percentage by mass into a reaction kettle, and stirring the mixture at low speed and normal temperature in the water to fully dissolve the mixture;
s2, adding 35-40% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-10% of sodium sulfide, 1-2% of sodium carbonate and 2-5% of sodium sulfate in percentage by mass into the reaction kettle, and stirring at a low speed until the sodium sulfide, the sodium carbonate and the sodium sulfate are fully dissolved.
Preferably, the alternatives include the following two production processes:
and (4) a process C:
s1, firstly, adding 35-50% of water in percentage by mass into a reaction kettle;
s2, adding 40-55% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-9% by mass of sodium persulfate into the reaction kettle, and stirring at a low speed until the sodium persulfate is fully dissolved;
s4, adding 1-2% by mass of sodium hypochlorite into the reaction kettle, and stirring at a low speed until the sodium hypochlorite is fully dissolved;
s5, adding 0.5-1.5% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved;
and (4) a process D:
s1, firstly, adding 35-50% of water in percentage by mass into a reaction kettle;
s2, adding 40-55% of sodium hydroxide, 5-9% of sodium persulfate, 1-2% of sodium hypochlorite and 0.5-1.5% of sodium carbonate in percentage by mass into a reaction kettle, and stirring at a low speed until the sodium hydroxide, the sodium persulfate, the sodium hypochlorite and the sodium carbonate are fully dissolved.
Preferably, the method for using the high-efficiency agent for treating the nitrogen oxides in the exhaust gas comprises the following steps:
s1, weighing the prepared drug, and mixing the drug with water in a ratio of 1: 1, weighing in a mass ratio;
s2, mixing, namely selecting a storage box with a proper volume, injecting the weighed water into the storage box, adding 5% caustic soda flakes into the storage box, stirring and mixing until the PH value of the water in the storage box is determined to be 13, adding the medicament, and stirring and mixing again until the water is fully dissolved;
and S3, adding the mixed reagent into the flake caustic soda groove of the spray tower, adding the mixed reagent into a second absorption tower if the number of the absorption towers is two, and adding the mixed reagent into the last absorption tower if a plurality of absorption towers exist, so that the operation is simple, the reaction is fast, the yellow smoke removal efficiency is high, few byproducts are generated, and the feasibility of practical popularization is realized.
The invention discloses a high-efficiency medicament for treating nitrogen oxides in waste gas, which has the following beneficial effects:
1. the high-efficiency medicament for treating the nitrogen oxides in the waste gas strictly controls the content and the preparation process of each component of the medicament by setting 0.5-1% of hydrogen peroxide, 35-40% of sodium hydroxide, 5-10% of sodium sulfide, 1-2% of sodium sulfate and 2-5% of sodium sulfate, and S1, firstly adding 40-50% of water by mass percent into a reaction kettle, then adding 0.5-0.1% of hydrogen peroxide by mass percent into the reaction kettle, and stirring the mixture at low speed and normal temperature in water to fully dissolve the mixture; then adding 35-40% of sodium hydroxide by mass percent into the reaction kettle, and stirring at low speed until the sodium hydroxide is fully dissolved; adding 5-10% by mass of sodium sulfide into the reaction kettle, and stirring at a low speed until the sodium sulfide is fully dissolved; adding 1-2% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved; adding 2-5% of sodium sulfate by mass percent into a reaction kettle, and stirring at low speed until the sodium sulfate is fully dissolved to obtain a mixed medicament.
2. The high-efficiency medicament for treating the nitrogen oxides in the waste gas strictly controls the content and the preparation process of each component of the medicament by setting 45-55% of sodium hydroxide, 5-9% of persulfuric acid, 0.5-1.5% of sodium carbonate and 1-2% of sodium hypochlorite, and S1, firstly adding 35-50% of water in percentage by mass into a reaction kettle; then adding 40-55% of sodium hydroxide by mass percent into the reaction kettle, and stirring at low speed until the sodium hydroxide is fully dissolved; adding 5-9% of sodium persulfate by mass percent into the reaction kettle, and stirring at a low speed until the sodium persulfate is fully dissolved;
adding 1-2% by mass of sodium hypochlorite into the reaction kettle, and stirring at a low speed until the sodium hypochlorite is fully dissolved; adding 0.5-1.5% by mass of sodium carbonate into a reaction kettle, and stirring at low speed until the sodium carbonate is fully dissolved to obtain a mixed medicament.
3. The high-efficiency medicament for treating the nitrogen oxide in the exhaust gas is prepared by firstly weighing the prepared medicament and then mixing the medicament and water in a ratio of 1: 1, weighing in a mass ratio; selecting a storage box with a proper volume, injecting the weighed water into the storage box, adding 5% flake caustic soda into the storage box, stirring and mixing until the pH value of the water in the storage box is determined to be 13, adding the medicament, and stirring and mixing again until the medicament is fully dissolved; adding the mixed medicament into a caustic soda flake tank of a spray tower, if the number of the absorption towers is two, adding the mixed medicament into a second absorption tower, and if a plurality of absorption towers exist, adding the mixed medicament into the last absorption tower; simple operation, quick reaction, high yellow smoke removing efficiency, few byproducts and feasibility of practical popularization.
Drawings
FIG. 1 is a schematic view of the material of the present invention.
Detailed Description
The first embodiment is as follows:
the embodiment of the invention discloses a high-efficiency medicament for treating nitrogen oxides in waste gas.
Referring to the attached figure 1, the raw materials comprise: sodium hydroxide, sodium sulfide, sodium carbonate, sodium sulfate, sodium hypochlorite, hydrogen peroxide, sodium persulfate and water;
the preferred scheme is composed of the following raw materials by mass percent:
35% -40% of sodium hydroxide;
5% -10% of sodium sulfide;
1% -2% of sodium carbonate;
2 to 5 percent of sodium sulfate;
0.5 to 1 percent of hydrogen peroxide;
40% -50% of water;
the substitute scheme comprises the following raw materials in percentage by mass:
40% -55% of sodium hydroxide;
0.5 to 1.5 percent of sodium carbonate;
1% -2% of sodium hypochlorite;
5% -9% of sodium persulfate;
35 to 50 percent of water.
The preferred scheme comprises the following three production processes:
the preferred scheme comprises the following two production processes:
the process A comprises the following steps:
s1, firstly, adding 40-50% by mass of water into a reaction kettle, then adding 0.5-0.1% by mass of hydrogen peroxide into the reaction kettle, and stirring the mixture at low speed and normal temperature in the water to fully dissolve the mixture;
s2, adding 35-40% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-10% by mass of sodium sulfide into the reaction kettle, and stirring at a low speed until the sodium sulfide is fully dissolved;
s4, adding 1-2% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved;
s5, adding sodium sulfate accounting for 2-5% of the mass percent into the reaction kettle, and stirring at a low speed until the sodium sulfate is fully dissolved;
and a process B:
s1, firstly, adding 40-50% of water and 0.5-0.1% of hydrogen peroxide in percentage by mass into a reaction kettle, and stirring the mixture at low speed and normal temperature in the water to fully dissolve the mixture;
s2, adding 35-40% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-10% of sodium sulfide, 1-2% of sodium carbonate and 2-5% of sodium sulfate in percentage by mass into the reaction kettle, and stirring at a low speed until the sodium sulfide, the sodium carbonate and the sodium sulfate are fully dissolved.
The using method comprises the following steps:
s1, weighing the prepared drug, and mixing the drug with water in a ratio of 1: 1, weighing in a mass ratio;
s2, mixing, namely selecting a storage box with a proper volume, injecting the weighed water into the storage box, adding 5% caustic soda flakes into the storage box, stirring and mixing until the PH value of the water in the storage box is determined to be 13, adding the medicament, and stirring and mixing again until the water is fully dissolved;
and S3, adding the mixed medicament into the flake caustic soda groove of the spray tower, if the number of the absorption towers is two, adding the mixed medicament into the second absorption tower, and if a plurality of absorption towers exist, adding the mixed medicament into the last absorption tower.
The contents and preparation processes of all components of the medicament are strictly controlled by setting 0.5-1% of hydrogen peroxide, 35-40% of sodium hydroxide, 5-10% of sodium sulfide, 1-2% of sodium sulfate and 2-5% of sodium sulfate, S1, firstly adding 40-50% of water in percentage by mass into a reaction kettle, then adding 0.5-0.1% of hydrogen peroxide in percentage by mass into the reaction kettle, and stirring the mixture at low speed and normal temperature in the water to fully dissolve the mixture; then adding 35-40% of sodium hydroxide by mass percent into the reaction kettle, and stirring at low speed until the sodium hydroxide is fully dissolved; adding 5-10% by mass of sodium sulfide into the reaction kettle, and stirring at a low speed until the sodium sulfide is fully dissolved; adding 1-2% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved; adding 2-5% by mass of sodium sulfate into a reaction kettle, and stirring at a low speed until the sodium sulfate is fully dissolved to obtain a mixed medicament, wherein the medicament has a wide range of raw material sources and a low total medicament cost;
and strictly according to the use method of the medicament, firstly weighing the prepared medicament, and then mixing the medicament and water in a ratio of 1: 1, weighing in a mass ratio; selecting a storage box with a proper volume, injecting the weighed water into the storage box, adding 5% flake caustic soda into the storage box, stirring and mixing until the pH value of the water in the storage box is determined to be 13, adding the medicament, and stirring and mixing again until the medicament is fully dissolved; adding the mixed medicament into a caustic soda flake tank of a spray tower, if the number of the absorption towers is two, adding the mixed medicament into a second absorption tower, and if a plurality of absorption towers exist, adding the mixed medicament into the last absorption tower; simple operation, quick reaction, high yellow smoke removing efficiency, few byproducts and feasibility of practical popularization.
Example two:
the embodiment of the invention discloses a high-efficiency medicament for treating nitrogen oxides in waste gas.
Referring to the attached figure 1, the raw materials comprise: sodium hydroxide, sodium sulfide, sodium carbonate, sodium sulfate, sodium hypochlorite, hydrogen peroxide, sodium persulfate and water;
the preferred scheme is composed of the following raw materials by mass percent:
35% -40% of sodium hydroxide;
5% -10% of sodium sulfide;
1% -2% of sodium carbonate;
2 to 5 percent of sodium sulfate;
0.5 to 1 percent of hydrogen peroxide;
40% -50% of water;
the substitute scheme comprises the following raw materials in percentage by mass:
40% -55% of sodium hydroxide;
0.5 to 1.5 percent of sodium carbonate;
1% -2% of sodium hypochlorite;
5% -9% of sodium persulfate;
35 to 50 percent of water.
The alternative includes the following two production processes:
and (4) a process C:
s1, firstly, adding 35-50% of water in percentage by mass into a reaction kettle;
s2, adding 40-55% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-9% by mass of sodium persulfate into the reaction kettle, and stirring at a low speed until the sodium persulfate is fully dissolved;
s4, adding 1-2% by mass of sodium hypochlorite into the reaction kettle, and stirring at a low speed until the sodium hypochlorite is fully dissolved;
s5, adding 0.5-1.5% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved;
and (4) a process D:
s1, firstly, adding 35-50% of water in percentage by mass into a reaction kettle;
s2, adding 40-55% of sodium hydroxide, 5-9% of sodium persulfate, 1-2% of sodium hypochlorite and 0.5-1.5% of sodium carbonate in percentage by mass into a reaction kettle, and stirring at a low speed until the sodium hydroxide, the sodium persulfate, the sodium hypochlorite and the sodium carbonate are fully dissolved.
The using method comprises the following steps:
s1, weighing the prepared drug, and mixing the drug with water in a ratio of 1: 1, weighing in a mass ratio;
s2, mixing, namely selecting a storage box with a proper volume, injecting the weighed water into the storage box, adding 5% caustic soda flakes into the storage box, stirring and mixing until the PH value of the water in the storage box is determined to be 13, adding the medicament, and stirring and mixing again until the water is fully dissolved;
and S3, adding the mixed medicament into the flake caustic soda groove of the spray tower, if the number of the absorption towers is two, adding the mixed medicament into the second absorption tower, and if a plurality of absorption towers exist, adding the mixed medicament into the last absorption tower.
2. Strictly controlling the content and the preparation process of each component of the medicament by setting 45-55% of sodium hydroxide, 5-9% of persulfuric acid, 0.5-1.5% of sodium carbonate and 1-2% of sodium hypochlorite, and S1, firstly adding 35-50% of water in percentage by mass into a reaction kettle; then adding 40-55% of sodium hydroxide by mass percent into the reaction kettle, and stirring at low speed until the sodium hydroxide is fully dissolved; adding 5-9% of sodium persulfate by mass percent into the reaction kettle, and stirring at a low speed until the sodium persulfate is fully dissolved;
adding 1-2% by mass of sodium hypochlorite into the reaction kettle, and stirring at a low speed until the sodium hypochlorite is fully dissolved; adding 0.5-1.5% by mass of sodium carbonate into a reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved to obtain a mixed medicament, wherein the medicament has a wide raw material source and low total medicament cost;
and strictly according to the use method of the medicament, firstly weighing the prepared medicament, and then mixing the medicament and water in a ratio of 1: 1, weighing in a mass ratio; selecting a storage box with a proper volume, injecting the weighed water into the storage box, adding 5% flake caustic soda into the storage box, stirring and mixing until the pH value of the water in the storage box is determined to be 13, adding the medicament, and stirring and mixing again until the medicament is fully dissolved; adding the mixed medicament into a caustic soda flake tank of a spray tower, if the number of the absorption towers is two, adding the mixed medicament into a second absorption tower, and if a plurality of absorption towers exist, adding the mixed medicament into the last absorption tower; simple operation, quick reaction, high yellow smoke removing efficiency, few byproducts and feasibility of practical popularization.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The efficient agent for treating the nitrogen oxides in the exhaust gas is characterized by comprising the following raw materials: sodium hydroxide, sodium sulfide, sodium carbonate, sodium sulfate, sodium hypochlorite, hydrogen peroxide, sodium persulfate and water;
the preferred scheme is composed of the following raw materials by mass percent:
35% -40% of sodium hydroxide;
5% -10% of sodium sulfide;
1% -2% of sodium carbonate;
2 to 5 percent of sodium sulfate;
0.5 to 1 percent of hydrogen peroxide;
40% -50% of water;
the substitute scheme comprises the following raw materials in percentage by mass:
40% -55% of sodium hydroxide;
0.5 to 1.5 percent of sodium carbonate;
1% -2% of sodium hypochlorite;
5% -9% of sodium persulfate;
35 to 50 percent of water.
2. The highly effective agent for treating nitrogen oxides in exhaust gas according to claim 1, wherein: the preferred scheme comprises the following two production processes:
the process A comprises the following steps:
s1, firstly, adding 40-50% by mass of water into a reaction kettle, then adding 0.5-0.1% by mass of hydrogen peroxide into the reaction kettle, and stirring the mixture at low speed and normal temperature in the water to fully dissolve the mixture;
s2, adding 35-40% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-10% by mass of sodium sulfide into the reaction kettle, and stirring at a low speed until the sodium sulfide is fully dissolved;
s4, adding 1-2% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved;
s5, adding sodium sulfate accounting for 2-5% of the mass percent into the reaction kettle, and stirring at a low speed until the sodium sulfate is fully dissolved;
and a process B:
s1, firstly, adding 40-50% of water and 0.5-0.1% of hydrogen peroxide in percentage by mass into a reaction kettle, and stirring the mixture at low speed and normal temperature in the water to fully dissolve the mixture;
s2, adding 35-40% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-10% of sodium sulfide, 1-2% of sodium carbonate and 2-5% of sodium sulfate in percentage by mass into the reaction kettle, and stirring at a low speed until the sodium sulfide, the sodium carbonate and the sodium sulfate are fully dissolved.
3. The highly effective agent for treating nitrogen oxides in exhaust gas according to claim 1, wherein: the alternative includes the following two production processes:
and (4) a process C:
s1, firstly, adding 35-50% of water in percentage by mass into a reaction kettle;
s2, adding 40-55% by mass of sodium hydroxide into the reaction kettle, and stirring at a low speed until the sodium hydroxide is fully dissolved;
s3, adding 5-9% by mass of sodium persulfate into the reaction kettle, and stirring at a low speed until the sodium persulfate is fully dissolved;
s4, adding 1-2% by mass of sodium hypochlorite into the reaction kettle, and stirring at a low speed until the sodium hypochlorite is fully dissolved;
s5, adding 0.5-1.5% by mass of sodium carbonate into the reaction kettle, and stirring at a low speed until the sodium carbonate is fully dissolved;
and (4) a process D:
s1, firstly, adding 35-50% of water in percentage by mass into a reaction kettle;
s2, adding 40-55% of sodium hydroxide, 5-9% of sodium persulfate, 1-2% of sodium hypochlorite and 0.5-1.5% of sodium carbonate in percentage by mass into a reaction kettle, and stirring at a low speed until the sodium hydroxide, the sodium persulfate, the sodium hypochlorite and the sodium carbonate are fully dissolved.
4. A highly effective agent for the treatment of nitrogen oxides in exhaust gases according to any one of claims 1 to 3, characterized in that: also provides a use method of the high-efficiency agent for treating the nitrogen oxides in the exhaust gas, which comprises the following steps:
s1, weighing the prepared drug, and mixing the drug with water in a ratio of 1: 1, weighing in a mass ratio;
s2, mixing, namely selecting a storage box with a proper volume, injecting the weighed water into the storage box, adding 5% caustic soda flakes into the storage box, stirring and mixing until the PH value of the water in the storage box is determined to be 13, adding the medicament, and stirring and mixing again until the water is fully dissolved;
and S3, adding the mixed reagent into the flake caustic soda groove of the spray tower, adding the mixed reagent into a second absorption tower if the number of the absorption towers is two, and adding the mixed reagent into the last absorption tower if a plurality of absorption towers exist, so that the operation is simple, the reaction is fast, the yellow smoke removal efficiency is high, few byproducts are generated, and the feasibility of practical popularization is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111639013.XA CN114288832A (en) | 2021-12-29 | 2021-12-29 | Efficient agent for treating nitrogen oxides in waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111639013.XA CN114288832A (en) | 2021-12-29 | 2021-12-29 | Efficient agent for treating nitrogen oxides in waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114288832A true CN114288832A (en) | 2022-04-08 |
Family
ID=80972195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111639013.XA Pending CN114288832A (en) | 2021-12-29 | 2021-12-29 | Efficient agent for treating nitrogen oxides in waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114288832A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003170025A (en) * | 2001-12-11 | 2003-06-17 | Mitsubishi Kakoki Kaisha Ltd | Method for removing nitrogen oxides in exhaust gas and equipment therefor |
| CN103170228A (en) * | 2013-04-15 | 2013-06-26 | 武汉大学 | Mixed solution for flue gas denitrification and application method of mixed solution |
| CN106823746A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of tobacco remover and preparation method thereof |
| CN110075690A (en) * | 2019-05-24 | 2019-08-02 | 南京永诺环保科技有限公司 | A kind of novel oxynitrides tobacco remover and its application method |
-
2021
- 2021-12-29 CN CN202111639013.XA patent/CN114288832A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003170025A (en) * | 2001-12-11 | 2003-06-17 | Mitsubishi Kakoki Kaisha Ltd | Method for removing nitrogen oxides in exhaust gas and equipment therefor |
| CN103170228A (en) * | 2013-04-15 | 2013-06-26 | 武汉大学 | Mixed solution for flue gas denitrification and application method of mixed solution |
| CN106823746A (en) * | 2017-03-07 | 2017-06-13 | 苏州清控环保科技有限公司 | A kind of tobacco remover and preparation method thereof |
| CN110075690A (en) * | 2019-05-24 | 2019-08-02 | 南京永诺环保科技有限公司 | A kind of novel oxynitrides tobacco remover and its application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107488021B (en) | The manufacturing method of cementitious material based on ozone oxidation | |
| CN103232054B (en) | The method of CaSO3 in oxidation sweetening ash in the basic conditions | |
| CN109607491B (en) | Method for preparing sulfuric acid from desulfurized fly ash | |
| CN108383146A (en) | The method for innocent treatment of aluminium lime-ash | |
| CN106823746A (en) | A kind of tobacco remover and preparation method thereof | |
| CN102407068A (en) | Acidic water solution for absorbing NOx and method for purifying NOx-containing waste gas by applying same | |
| CN105692717A (en) | Polyferric sulfate and preparation method of polyferric sulfate | |
| CN103496777B (en) | Pretreatment method of ammonia-nitrogen wastewater | |
| CN107055892B (en) | Method for microwave-assisted catalytic oxidation of biochemical tail water of brewing wastewater by compounding of multiple metals | |
| Shi et al. | An improved Wellman-Lord process for simultaneously recovering SO2 and removing NOX from non-ferrous metal smelting flue gas | |
| CN115814580A (en) | Carbide slag modified desulfurizer composition, desulfurizer, preparation method and application thereof | |
| CN107324395A (en) | A kind of method for producing manganous salt | |
| CN103991912B (en) | A kind of synthesis technique of PFAS | |
| CN110396595B (en) | Efficient decomposition method of manganese dithionate in manganese ore sulfur dioxide leaching solution | |
| CN114288832A (en) | Efficient agent for treating nitrogen oxides in waste gas | |
| CN106379875B (en) | A kind of production method of nitrosylsulfuric acid and application | |
| CN110304647A (en) | A kind of dry-process desulfurized ash of utilization society spent acid prepares desulfurized gypsum method and system | |
| CN210480893U (en) | System for preparing desulfurized gypsum by utilizing dry desulfurization ash of social waste acid | |
| CN106241890A (en) | A kind of production method of bodied ferric sulfate | |
| CN111014230A (en) | Low-temperature oxidation method of dry-method and semi-dry-method desulfurized ash | |
| CN114226421B (en) | Treatment method of semi-dry desulfurization ash | |
| CN113636574B (en) | Method for preparing sulfur-containing chemical products by resource utilization of semi-dry desulfurization ash | |
| CN113337733A (en) | Method for preparing nickel matte from ferronickel and gypsum | |
| CN115155277A (en) | Method for reducing nitrogen oxides in tail gas in nitrate production | |
| CN112940795A (en) | Iron-based desulfurizer for blast furnace gas and preparation method thereof |
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 |