CN106622370B - Low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and preparation method thereof - Google Patents
Low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and preparation method thereof Download PDFInfo
- Publication number
- CN106622370B CN106622370B CN201611184823.XA CN201611184823A CN106622370B CN 106622370 B CN106622370 B CN 106622370B CN 201611184823 A CN201611184823 A CN 201611184823A CN 106622370 B CN106622370 B CN 106622370B
- Authority
- CN
- China
- Prior art keywords
- surfactant
- temperature
- reaction kettle
- low
- denitration catalyst
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
- B01J31/068—Polyalkylene glycols
-
- 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
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8628—Processes characterised by a specific catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent which comprises the following raw materials in percentage by weight: 12% of extracted surfactant, 7% of nonionic surfactant, 15% of industrial white oil, 10% of essential vegetable oil acid, 6% of triethanolamine and 50% of distilled water. Adding the extracted surfactant, nonionic surfactant and industrial white oil into a reaction kettle, starting a stirrer in the reaction kettle, raising the temperature in the stirrer to 50-60 ℃, adding the refined plant oleic acid when the temperature in the reaction kettle is raised to 65-75 ℃, stirring for 30 minutes again, adding triethanolamine, adding distilled water when the concentrated solution in the reaction kettle is transparent, sampling and analyzing the solution to obtain a solution with the pH value of 6-7 and the viscosity of 300-400. The special auxiliary agent for removing sodium ions in the low-temperature denitration catalyst fiber has the advantage that the poisoning phenomenon of the low-temperature denitration catalyst is easy to occur, and the low-temperature denitration catalyst is particularly sensitive to sodium ions, so that the poisoning time of the low-temperature denitration catalyst is delayed.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and a preparation method thereof.
Background
Energy production and consumption are linked to global climate change. Currently, 80% of energy consumption relies on fossil fuels-coal and petroleum. Since 2011, the coal yield of China exceeds 35 hundred million tons, which accounts for half of the whole world. The coal consumption is 18.934 hundred million tons of oil equivalent and accounts for 90 percent of the Chinese electric power fuel. While coal resources are consumed, a large amount of SO2 and NOx which are harmful to human bodies are generated, and environmental pollution caused by SO2 and NOx, such as greenhouse effect, acid rain, ozone layer damage and the like, is a problem which is of consistent social concern at present. The research of various technologies for treating air pollution has become the most urgent mission of environmental protection workers in various countries.
The desulfurization and denitrification of the waste flue gas of the industrial boiler which is used at home and abroad at present are realized under the high-temperature condition, and the desulfurization and denitrification device used under the high-temperature condition can not be used under the low-temperature condition, and the hazardous waste treatment is needed after the high-temperature denitrification catalyst is poisoned and scrapped. With the development of the field of desulfurization and denitrification, low-temperature desulfurization and denitrification will become the trend of the field in the future, so that the design of a denitrification catalyst capable of being used under low-temperature conditions is urgently needed. Therefore, the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and the preparation method thereof are provided.
Disclosure of Invention
The invention provides a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and a preparation method thereof, and aims to solve the problems in the background technology.
The invention provides a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent which comprises the following raw materials in percentage by weight: 12% of extracted surfactant, 7% of nonionic surfactant, 15% of industrial white oil, 10% of essential vegetable oil acid, 6% of triethanolamine and 50% of distilled water.
Preferably, the nonionic surfactant is specifically nonylphenol ethoxylate.
Preferably, the preparation method of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent comprises the following steps:
s1, adding the extracted surfactant, nonionic surfactant and industrial white oil into a reaction kettle;
s2, starting a stirrer in the reaction kettle, raising the temperature in the stirrer to 50-60 ℃, and uniformly stirring for 2 hours;
s3, adding refined vegetable oleic acid when the temperature in the reaction kettle rises to 65-75 ℃, stirring for 30 minutes again, adding triethanolamine, and uniformly stirring for 30 minutes;
s4, after the concentrated solution in the reaction kettle is transparent, adding distilled water in a point manner, and after the adding time is 1h, sampling and analyzing the solution with the pH value of 6-7 and the viscosity of 300-;
s5, attaching 30% of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent prepared by the formula to denitration catalyst fibers, and preparing the auxiliary agent into a catalyst finished product.
Preferably, the preparation method of the extracted surfactant comprises the following steps:
s1, selecting a surfactant as a raw material, placing the surfactant into a reaction kettle, placing isopropanol into the reaction kettle, stirring for 2 hours in the reaction kettle, and keeping the temperature at 10-30 ℃;
s2, adding activated carbon into the stirred surfactant in the step S1, reacting for 2 hours in an environment with the temperature of 10-30 ℃, extracting the activated carbon and the anion-cation converter, and then extracting at the high temperature of 75-85 ℃, so as to remove isopropanol in the surfactant;
s3, the extracted surfactant does not contain ammonium salt, and then the sodium ion removal auxiliary agent for the low-temperature denitration catalyst fiber is prepared.
Preferably, the surfactant is alkyl phosphate ester diethanolamine salt.
The low-temperature denitration catalyst has the advantages of reaction, the special auxiliary agent for removing sodium ions from the low-temperature denitration catalyst fibers, and the poisoning phenomenon of the low-temperature denitration catalyst, particularly the sensitivity to sodium ions, is delayed, and the service life of the low-temperature denitration catalyst is prolonged.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
The invention provides a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent which comprises the following raw materials in percentage by weight: 12% of extracted surfactant, 7% of nonionic surfactant, 15% of industrial white oil, 10% of essential vegetable oil acid, 6% of triethanolamine and 50% of distilled water, wherein the nonionic surfactant is specifically nonylphenol ethoxylate.
The invention also provides a preparation method of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent, which comprises the following steps:
s1, adding the extracted surfactant, nonionic surfactant and industrial white oil into a reaction kettle;
s2, starting a stirrer in the reaction kettle, raising the temperature in the stirrer to 50 ℃, and uniformly stirring for 2 hours;
s3, adding refined vegetable oil acid when the temperature in the reaction kettle rises to 65 ℃, stirring for 30 minutes again, adding triethanolamine, and uniformly stirring for 30 minutes;
s4, adding distilled water in a dropwise manner after the concentrated solution in the reaction kettle is transparent, and sampling and analyzing the solution with the pH of 6-7 and the viscosity of 300 after the adding time is 1 h;
s5, attaching 30% of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent prepared by the formula to denitration catalyst fibers, and preparing the auxiliary agent into a catalyst finished product.
The invention also provides a preparation method of the extracted surfactant, which comprises the following steps:
s1, selecting a surfactant as a raw material, wherein the surfactant is alkyl phosphate diethanol amine salt, placing the surfactant into a reaction kettle, placing isopropanol into the reaction kettle, stirring for 2 hours in the reaction kettle, and keeping the temperature at 10 ℃;
s2, adding activated carbon into the stirred surfactant in the step S1, reacting for 2 hours in an environment with the temperature of 10 ℃, extracting the activated carbon and the anion-cation converter, and then extracting at the high temperature of 75 ℃, so as to remove isopropanol in the surfactant;
s3, the extracted surfactant does not contain ammonium salt, and then the sodium ion removal auxiliary agent for the low-temperature denitration catalyst fiber is prepared.
Example 2
The invention provides a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent which comprises the following raw materials in percentage by weight: 12% of extracted surfactant, 7% of nonionic surfactant, 15% of industrial white oil, 10% of essential vegetable oil acid, 6% of triethanolamine and 50% of distilled water, wherein the nonionic surfactant is specifically nonylphenol ethoxylate.
The invention also provides a preparation method of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent, which comprises the following steps:
s1, adding the extracted surfactant, nonionic surfactant and industrial white oil into a reaction kettle;
s2, starting a stirrer in the reaction kettle, raising the temperature in the stirrer to 53 ℃, and uniformly stirring for 2 hours;
s3, adding refined vegetable oil acid when the temperature in the reaction kettle rises to 68 ℃, stirring for 30 minutes again, adding triethanolamine, and uniformly stirring for 30 minutes;
s4, adding distilled water in a dropwise manner after the concentrated solution in the reaction kettle is transparent, and sampling and analyzing the solution with the pH of 6-7 and the viscosity of 320 after the adding time is 1 h;
s5, attaching 30% of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent prepared by the formula to denitration catalyst fibers, and preparing the auxiliary agent into a catalyst finished product.
The invention also provides a preparation method of the extracted surfactant, which comprises the following steps:
s1, selecting a surfactant as a raw material, wherein the surfactant is alkyl phosphate diethanol amine salt, placing the surfactant into a reaction kettle, placing isopropanol into the reaction kettle, stirring for 2 hours in the reaction kettle, and keeping the temperature at 15 ℃;
s2, adding activated carbon into the stirred surfactant in the step S1, reacting for 2 hours in an environment with the temperature of 15 ℃, extracting the activated carbon and the anion-cation converter, and then extracting at the high temperature of 78 ℃, so as to remove isopropanol in the surfactant;
s3, the extracted surfactant does not contain ammonium salt, and then the sodium ion removal auxiliary agent for the low-temperature denitration catalyst fiber is prepared.
Example 3
The invention provides a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent which comprises the following raw materials in percentage by weight: 12% of extracted surfactant, 7% of nonionic surfactant, 15% of industrial white oil, 10% of essential vegetable oil acid, 6% of triethanolamine and 50% of distilled water, wherein the nonionic surfactant is specifically nonylphenol ethoxylate.
The invention also provides a preparation method of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent, which comprises the following steps:
s1, adding the extracted surfactant, nonionic surfactant and industrial white oil into a reaction kettle;
s2, starting a stirrer in the reaction kettle, raising the temperature in the stirrer to 58 ℃, and uniformly stirring for 2 hours;
s3, adding refined vegetable oil acid when the temperature in the reaction kettle rises to 72 ℃, stirring for 30 minutes again, adding triethanolamine, and uniformly stirring for 30 minutes;
s4, after the concentrated solution in the reaction kettle is transparent, adding distilled water in a dropwise manner for 1h, sampling and analyzing to obtain a solution with the pH of 6-7 and the viscosity of 370;
s5, attaching 30% of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent prepared by the formula to denitration catalyst fibers, and preparing the auxiliary agent into a catalyst finished product.
The invention also provides a preparation method of the extracted surfactant, which comprises the following steps:
s1, selecting a surfactant as a raw material, wherein the surfactant is alkyl phosphate diethanol amine salt, placing the surfactant into a reaction kettle, placing isopropanol into the reaction kettle, stirring for 2 hours in the reaction kettle, and keeping the temperature at 20 ℃;
s2, adding activated carbon into the stirred surfactant in the step S1, reacting for 2 hours in an environment with the temperature of 20 ℃, extracting the activated carbon and the anion-cation converter, and then extracting at the high temperature of 81 ℃, so as to remove isopropanol in the surfactant;
s3, the extracted surfactant does not contain ammonium salt, and then the sodium ion removal auxiliary agent for the low-temperature denitration catalyst fiber is prepared.
Example 4
The invention provides a low-temperature denitration catalyst fiber sodium ion removal auxiliary agent which comprises the following raw materials in percentage by weight: 12% of extracted surfactant, 7% of nonionic surfactant, 15% of industrial white oil, 10% of essential vegetable oil acid, 6% of triethanolamine and 50% of distilled water, wherein the nonionic surfactant is specifically nonylphenol ethoxylate.
The invention also provides a preparation method of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent, which comprises the following steps:
s1, adding the extracted surfactant, nonionic surfactant and industrial white oil into a reaction kettle;
s2, starting a stirrer in the reaction kettle, raising the temperature in the stirrer to 60 ℃, and uniformly stirring for 2 hours;
s3, adding refined vegetable oil acid when the temperature in the reaction kettle rises to 75 ℃, stirring for 30 minutes again, adding triethanolamine, and uniformly stirring for 30 minutes;
s4, adding distilled water in a dropwise manner after the concentrated solution in the reaction kettle is transparent, and sampling and analyzing the solution with the pH of 6-7 and the viscosity of 400 after the adding time is 1 h;
s5, attaching 30% of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent prepared by the formula to denitration catalyst fibers, and preparing the auxiliary agent into a catalyst finished product.
The invention also provides a preparation method of the extracted surfactant, which comprises the following steps:
s1, selecting a surfactant as a raw material, wherein the surfactant is alkyl phosphate diethanol amine salt, placing the surfactant into a reaction kettle, placing isopropanol into the reaction kettle, stirring for 2 hours in the reaction kettle, and keeping the temperature at 30 ℃;
s2, adding activated carbon into the stirred surfactant in the step S1, reacting for 2 hours in an environment with the temperature of 30 ℃, extracting the activated carbon and the anion-cation converter, and then extracting at the high temperature of 85 ℃, so that isopropanol in the surfactant is removed;
s3, the extracted surfactant does not contain ammonium salt, and then the sodium ion removal auxiliary agent for the low-temperature denitration catalyst fiber is prepared.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The low-temperature denitration catalyst fiber sodium ion removal auxiliary agent is characterized by comprising the following raw materials in percentage by weight: 12% of extracted surfactant, 7% of nonionic surfactant, 15% of industrial white oil, 10% of essential vegetable oil acid, 6% of triethanolamine and 50% of distilled water;
the nonionic surfactant is specifically nonylphenol ethoxylate;
the surfactant is alkyl phosphate ester diethanolamine salt;
the preparation method of the extracted surfactant comprises the following steps:
s1, selecting a surfactant as a raw material, placing the surfactant into a reaction kettle, placing isopropanol into the reaction kettle, stirring for 2 hours in the reaction kettle, and keeping the temperature at 10-30 ℃;
s2, adding activated carbon into the stirred surfactant in the step S1, reacting for 2 hours in an environment with the temperature of 10-30 ℃, extracting the activated carbon and the anion-cation converter, and then extracting at the high temperature of 75-85 ℃, so as to remove isopropanol in the surfactant;
s3, the extracted surfactant does not contain ammonium salt, and then the sodium ion removal auxiliary agent for the low-temperature denitration catalyst fiber is prepared.
2. The preparation method of the low-temperature denitration catalyst fiber sodium ion removal auxiliary agent according to claim 1, characterized by comprising the following steps:
s1, adding the extracted surfactant, nonionic surfactant and industrial white oil into a reaction kettle;
s2, starting a stirrer in the reaction kettle, raising the temperature in the stirrer to 50-60 ℃, and uniformly stirring for 2 hours;
s3, adding refined vegetable oleic acid when the temperature in the reaction kettle rises to 65-75 ℃, stirring for 30 minutes again, adding triethanolamine, and uniformly stirring for 30 minutes;
s4, adding distilled water after the concentrated solution in the reaction kettle is transparent, and sampling and analyzing the solution with the pH of 6-7 and the viscosity of 300-400 after the adding time is 1 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184823.XA CN106622370B (en) | 2016-12-20 | 2016-12-20 | Low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611184823.XA CN106622370B (en) | 2016-12-20 | 2016-12-20 | Low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106622370A CN106622370A (en) | 2017-05-10 |
| CN106622370B true CN106622370B (en) | 2021-04-27 |
Family
ID=58833686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611184823.XA Active CN106622370B (en) | 2016-12-20 | 2016-12-20 | Low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106622370B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058781A (en) * | 2007-05-24 | 2007-10-24 | 朱思聪 | Low-temperature energy-saving emulsifier for industrial washing clothes |
| CN104611780A (en) * | 2015-01-28 | 2015-05-13 | 武汉科丝力纤维制造有限公司 | RP-CHOP denitration catalyst fiber and catalyst prepared by same |
| CN105195171A (en) * | 2015-11-03 | 2015-12-30 | 海南中航特玻科技有限公司 | Honeycombed catalyst for low-temperature denitration and preparation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110120100A1 (en) * | 2009-11-24 | 2011-05-26 | General Electric Company | Catalyst and method of manufacture |
-
2016
- 2016-12-20 CN CN201611184823.XA patent/CN106622370B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058781A (en) * | 2007-05-24 | 2007-10-24 | 朱思聪 | Low-temperature energy-saving emulsifier for industrial washing clothes |
| CN104611780A (en) * | 2015-01-28 | 2015-05-13 | 武汉科丝力纤维制造有限公司 | RP-CHOP denitration catalyst fiber and catalyst prepared by same |
| CN105195171A (en) * | 2015-11-03 | 2015-12-30 | 海南中航特玻科技有限公司 | Honeycombed catalyst for low-temperature denitration and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106622370A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Qi et al. | Effects of solar photovoltaic technology on the environment in China | |
| CN102120575A (en) | Process for preparing active carbon from chemical sludge | |
| CN103589499A (en) | Regeneration technology for molecular distillation treatment of spent lubrication oil | |
| CN103739065A (en) | Anaerobic biological treatment method of heat-engine plant desulphurization waste water | |
| CN103204526A (en) | A method for preparing an alumina sol | |
| CN103627442A (en) | Biodiesel catalysis preparing method by employing solid catalyst | |
| CN106622370B (en) | Low-temperature denitration catalyst fiber sodium ion removal auxiliary agent and preparation method thereof | |
| CN113877591A (en) | Preparation method of acid-treated iron mud denitration catalyst | |
| CN1331986C (en) | Method for producing biological diesel oil by palm oil and preparation method thereof | |
| CN103130230B (en) | Technique for producing white carbon black from silicon rubber pyrolysis ash | |
| TW202006128A (en) | Method for desulfurization and denitrification of high-sulfur coal relating to mineral processing technology | |
| CN101475279B (en) | Alkaline residue sewage treatment and resource recovery process for oil-extraction plant | |
| CN203513400U (en) | Sewage circulating system | |
| CN109679676A (en) | A kind of processing method of the clay standby biodiesel of cold rolling oil | |
| CN101982207B (en) | Method for treating wastes generated in the synthetic processes of methylamine and dimethyl formamide | |
| CN205127776U (en) | Metal cutting is mixing apparatus for gas | |
| CN103865486B (en) | A kind of method utilizing flue gas desulfurization waste to prepare environment-friendly type calcium magnesium carboxylate snow-melting agent | |
| CN105582897A (en) | Cellulose adsorbing material for adsorbing heavy metals | |
| CN101069473A (en) | Method for utilizing plant conversion and carbon dioxide | |
| CN105368527A (en) | Environmental-protection biological desulfurization process | |
| CN105561935A (en) | Plant cellulose modified adsorption material and preparation process thereof | |
| CN101654224A (en) | Method for regeneration of waste hydrochloric acid by oxygen enriched roasting | |
| CN105505514A (en) | Biological desulfurization technology used for coal | |
| CN204939574U (en) | A kind of device reclaiming Vanadium Pentoxide in FLAKES from waste flue gas denitration catalyst | |
| CN204691938U (en) | A kind of passive automobile auxiliary combustion equipment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |