CN107308724A - A kind of dedusting denitrification integral filtrate aftertreatment fluid and its preparation method and application - Google Patents
A kind of dedusting denitrification integral filtrate aftertreatment fluid and its preparation method and application Download PDFInfo
- Publication number
- CN107308724A CN107308724A CN201710763336.7A CN201710763336A CN107308724A CN 107308724 A CN107308724 A CN 107308724A CN 201710763336 A CN201710763336 A CN 201710763336A CN 107308724 A CN107308724 A CN 107308724A
- Authority
- CN
- China
- Prior art keywords
- filtrate
- aftertreatment fluid
- parts
- dedusting
- preparation
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0464—Impregnants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0471—Surface coating material
- B01D2239/0492—Surface coating material on fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Materials (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of dedusting denitrification integral filtrate aftertreatment fluid, following component is included：Manganese nitrate solution, cerous nitrate, ammonium metavanadate, ammonium paratungstate, stearic acid and polyethylene glycol oxide.In addition, present invention also offers the preparation method and application of the filtrate aftertreatment fluid.It can make filtrate while having dedusting and denitration function after the filtrate aftertreatment fluid processing filtrate that the present invention is provided, improve filter efficiency and the service life of filtrate, and flue gas purification system can be simplified, save substantial amounts of human and material resources resource.
Description
Technical field
The present invention relates to a kind of filtrate processing technology field, a kind of dedusting denitrification integral filtrate post processing is more particularly to
Liquid and its preparation method and application.
Background technology
Atmosphere pollution is essentially from the burning of the fuel such as coal-burning power plant, cement plant, waste incineration, wherein pollution products bag
Include dust, NOx, SOx etc..The tail flue gas cleaning system of traditional large-scale fuel burner is by dust arrester, flue gas desulfurization
Device and equipment for denitrifying flue gas composition.Generally, dust arrester is only used for chalk dust removing, and flue gas desulfurization device is only used for removing SOx,
Equipment for denitrifying flue gas is only used for removing NOx, and this flue gas purification system being made up of a variety of simple function devices will necessarily be made
Into the defect such as instrument and equipment is complicated, fund input is big, operation expense is high.
Sack cleaner is a kind of efficient dedusting technology, and in China, cement industry is used widely, and is mainly used to mend
The non-fiber dust that collection is tiny, dry；The filtrate of sack cleaner can use various material, wherein PTFE (polytetrafluoroethyl-nes
Alkene) with PPS (polyphenylene sulfide) composite filtering material it is a kind of cost performance very high conventional filtrate.Low-temperature selective catalytic reduction denitration skill
Art (low temperature NH3-SCR technologies) is a kind of potential gas denitrifying technology, is used at present by many manufacturing enterprises.Low temperature NH3-
SCR technology is typically disposed in before sack cleaner, in catalyst denitrification process, and the escaping of ammonia phenomenon occurs once in a while, causes NOx
It is diffused into bag-type dust link；Simultaneously when humidity of flue gas is higher, the oxidizing gas in flue gas is easily combined with water, in conduct
The fiber surface of the filter bag of the core component of sack cleaner condenses into sour dew, paste bag phenomenon occurs, so that deashing inconvenience is caused,
Filter efficiency is influenceed, shortens the service life of filtrate.
The content of the invention
The technical problems to be solved by the invention, which are the provision of one kind, can make filtrate while having dedusting and denitration function
Dedusting denitrification integral filtrate aftertreatment fluid, its preparation method and application are also provided.
The present invention is to solve above-mentioned technical problem by the following technical programs：
On the one hand, the present invention provides a kind of dedusting denitrification integral filtrate aftertreatment fluid, and the aftertreatment fluid includes such as the following group
Point：Manganese nitrate solution, cerous nitrate, ammonium metavanadate, ammonium paratungstate, stearic acid and polyethylene glycol oxide.
Preferably, according to mass fraction meter, the aftertreatment fluid includes following component：30-100 parts of manganese nitrate solution, nitre
Sour cerium 10-50 parts, 5-20 parts of ammonium metavanadate, 10-30 parts of ammonium paratungstate, 5-15 parts of stearic acid, 0.5-5 parts of polyethylene glycol oxide.
Preferably, according to mass fraction meter, the aftertreatment fluid includes following component：65 parts of manganese nitrate solution, cerous nitrate
30 parts, 12 parts of ammonium metavanadate, 20 parts of ammonium paratungstate, 10 parts of stearic acid, 3 parts of polyethylene glycol oxide.
On the other hand, the present invention also provides the preparation method of above-mentioned filtrate aftertreatment fluid, and the preparation method includes：
At 20-30 DEG C, cerous nitrate, ammonium metavanadate, ammonium paratungstate, stearic acid are sequentially added into manganese nitrate solution and is gathered
Ethylene oxide, is then well mixed, and filtrate aftertreatment fluid is made.
Preferably, the process of the mixing is to be sufficiently mixed in ultrasonic oscillation instrument 10 minutes.
Filtrate aftertreatment fluid provided by the present invention is used to handle filtrate, makes filtrate while having dedusting and denitration function.
Specifically, it is achieved by the steps of：
Filtrate is sufficiently impregnated in the filtrate aftertreatment fluid, then thermal finalization is carried out to filtrate, then rapid cooling, system
There must be the filtrate of dedusting denitrification integral function.
Preferably, the time of the dipping is 3-10 minutes, and the process of the thermal finalization is to insert filtrate in forming machine
Shaped 5-15 minutes with 210-240 DEG C.
The present invention has advantages below compared with prior art：Cause after the filtrate aftertreatment fluid processing filtrate that the present invention is provided
Filtrate has the denitration efficiency that low temperature catalyst has concurrently while with dedusting function itself, so as to realize filtrate dedusting
The effect of denitrification integral, improves filter efficiency and the service life of filtrate, and can simplify flue gas purification system, saves a large amount of
Human and material resources resource.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementations
Example.
Embodiment 1
A) the preparation of filtrate aftertreatment fluid：
At 20 DEG C, by manganese nitrate solution 100g, cerous nitrate 45g, ammonium metavanadate 9g, ammonium paratungstate 20g, stearic acid 10g,
Polyethylene glycol oxide 1g is sequentially added in beaker, is put into ultrasonic oscillation instrument and is sufficiently mixed 10 minutes to uniform, is made after filtrate
Treatment fluid.
B) aftertreatment fluid handles the preparation of filtrate：
P84 composite filtering materials is sufficiently impregnated in above-mentioned filtrate aftertreatment fluid 5 minutes, then insert in forming machine with 210 DEG C
High-temperature shaping 10 minutes, aftertreatment fluid processing filtrate is made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
The test that filter efficiency is carried out to filtrate using the dynamic test platform of AFC-133 filtrates uses activity rating device pair
Filtrate carries out the test of denitration efficiency.After tested, the denitration efficiency of aftertreatment fluid processing filtrate is 85%, and filter efficiency is
99.997%, it is fully able to reach the effect of dedusting denitration, realizes dedusting denitrification integral；And without the processing of above-mentioned aftertreatment fluid
Filtrate denitration efficiency be 0%, filter efficiency is 99.995%, and the filtrate does not have the performance of denitration, is unsatisfactory for filtrate
Dedusting and the requirement of denitration.
Embodiment 2
A) the preparation of filtrate aftertreatment fluid：
At 25 DEG C, by manganese nitrate solution 65g, cerous nitrate 30g, ammonium metavanadate 12g, ammonium paratungstate 20g, stearic acid 10g,
Polyethylene glycol oxide 3g is sequentially added in beaker, is put into ultrasonic oscillation instrument and is sufficiently mixed 10 minutes to uniform, is made after filtrate
Treatment fluid.
B) aftertreatment fluid handles the preparation of filtrate：
P84 composite filtering materials is sufficiently impregnated in above-mentioned filtrate aftertreatment fluid 5 minutes, then insert in forming machine with 220 DEG C
High-temperature shaping 10 minutes, aftertreatment fluid processing filtrate is made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
Dedusting and the denitration efficiency of filtrate are tested according to the method for embodiment 1, after tested, aftertreatment fluid handles the de- of filtrate
Nitre efficiency is 86.5%, and filter efficiency is 99.993%, is fully able to reach the effect of dedusting denitration, realizes dedusting denitration one
Change.
Embodiment 3
A) the preparation of filtrate aftertreatment fluid：
At 30 DEG C, by manganese nitrate solution 30g, cerous nitrate 10g, ammonium metavanadate 5g, ammonium paratungstate 10g, stearic acid 5g, poly-
Ethylene oxide 0.5g is sequentially added in beaker, is put into ultrasonic oscillation instrument and is sufficiently mixed 10 minutes to uniform, is made after filtrate
Treatment fluid.
B) aftertreatment fluid handles the preparation of filtrate：
P84 composite filtering materials is sufficiently impregnated in above-mentioned filtrate aftertreatment fluid 10 minutes, then insert in forming machine with 240
DEG C high-temperature shaping 15 minutes, aftertreatment fluid processing filtrate is made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
Dedusting and the denitration efficiency of filtrate are tested according to the method for embodiment 1, after tested, aftertreatment fluid handles the de- of filtrate
Nitre efficiency is 82%, and filter efficiency is 99.994%, is fully able to reach the effect of dedusting denitration, realizes dedusting denitration one
Change.
Embodiment 4
A) the preparation of filtrate aftertreatment fluid：
At 30 DEG C, by manganese nitrate solution 100g, cerous nitrate 50g, ammonium metavanadate 20g, ammonium paratungstate 30g, stearic acid
15g, polyethylene glycol oxide 5g are sequentially added in beaker, are put into ultrasonic oscillation instrument and are sufficiently mixed mixing 10 minutes to uniform, make
Obtain filtrate aftertreatment fluid.
B) aftertreatment fluid handles the preparation of filtrate：
PTFE is sufficiently impregnated with PPS composite filtering materials in above-mentioned filtrate aftertreatment fluid 10 minutes, then insert in forming machine
With 210 DEG C of high-temperature shaping 5 minutes, aftertreatment fluid processing filtrate is made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
Dedusting and the denitration efficiency of filtrate are tested according to the method for embodiment 1, after testing, aftertreatment fluid handles the de- of filtrate
Nitre efficiency is 84%, and filter efficiency is 99.993%, is fully able to reach the effect of dedusting denitration, realizes dedusting denitration one
Change.
Embodiment 5
A) the preparation of filtrate aftertreatment fluid：
At 30 DEG C, by manganese nitrate solution 60g, cerous nitrate 30g, ammonium metavanadate 15g, ammonium paratungstate 20g, stearic acid 10g,
Polyethylene glycol oxide 3g is sequentially added in beaker, is put into ultrasonic oscillation instrument and is sufficiently mixed 10 minutes to uniform, is made after filtrate
Treatment fluid.
B) aftertreatment fluid handles the preparation of filtrate：
PTFE is sufficiently impregnated with PPS composite filtering materials in above-mentioned filtrate aftertreatment fluid 10 minutes, then insert in forming machine
With 220 DEG C of high-temperature shapings 10 minutes, aftertreatment fluid processing filtrate was made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
Dedusting and the denitration efficiency of filtrate are tested according to the method for embodiment 1, after testing, aftertreatment fluid handles the de- of filtrate
Nitre efficiency is 83%, and filter efficiency is 99.998%, is fully able to reach the effect of dedusting denitration, realizes dedusting denitration one
Change.
Comparative example 1
A) the preparation of filtrate aftertreatment fluid：
At 30 DEG C, by manganese nitrate solution 15g, cerous nitrate 5g, ammonium metavanadate 15g, ammonium paratungstate 2.5g, stearic acid 9g,
Polyethylene glycol oxide 0.15g is sequentially added in beaker, is put into ultrasonic oscillation instrument and is sufficiently mixed uniform, obtained filtrate post processing
Liquid.
B) aftertreatment fluid handles the preparation of filtrate：
P84 composite filtering materials is sufficiently impregnated in above-mentioned filtrate aftertreatment fluid 10 minutes, then insert in forming machine with 210 DEG C
High-temperature shaping 7 minutes, aftertreatment fluid processing filtrate is made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
Dedusting and the denitration efficiency of filtrate are tested according to the method for embodiment 1, after tested, aftertreatment fluid handles the de- of filtrate
Nitre efficiency is 69%, and filter efficiency is 99.995%.Denitration efficiency is relatively low, it is impossible to guarantee to ensure the effect of denitration.Rely on
In the dustproof function of filtrate in itself, its filter efficiency is ideal.
Comparative example 2
A) the preparation of filtrate aftertreatment fluid：
At 30 DEG C, by manganese nitrate solution 60g, ammonium metavanadate 15g, ammonium paratungstate 3g, stearic acid 5g, polyethylene glycol oxide 3g
Sequentially add in beaker, be put into ultrasonic oscillation instrument and be sufficiently mixed uniform, obtained filtrate aftertreatment fluid.
B) aftertreatment fluid handles the preparation of filtrate：
PTFE is sufficiently impregnated with PPS composite filtering materials in above-mentioned filtrate aftertreatment fluid 15 minutes, then insert in forming machine
With 200 DEG C of high-temperature shaping 10 minutes, aftertreatment fluid processing filtrate is made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
Dedusting and the denitration efficiency of filtrate are tested according to the method for embodiment 1, after tested, aftertreatment fluid handles the de- of filtrate
Nitre efficiency is 65%, and filter efficiency is 99.993%.Denitration efficiency is relatively low, it is impossible to guarantee to ensure the effect of denitration.Rely on
In the dustproof function of filtrate in itself, its filter efficiency is ideal.
Comparative example 3
A) the preparation of filtrate aftertreatment fluid：
At 30 DEG C, ammonium metavanadate 10g, ammonium paratungstate 20g, stearic acid 10g, polyethylene glycol oxide 5g sequentially add beaker
In, it is put into ultrasonic oscillation instrument and is sufficiently mixed uniform, obtained filtrate aftertreatment fluid.
B) aftertreatment fluid handles the preparation of filtrate：
PTFE is sufficiently impregnated with PPS composite filtering materials in above-mentioned filtrate aftertreatment fluid 15 minutes, then insert in forming machine
With 210 DEG C of high-temperature shaping 7 minutes, aftertreatment fluid processing filtrate is made in then rapid cooling.
C) dedusting of filtrate and denitration efficiency test：
Dedusting and the denitration efficiency of filtrate are tested according to the method for embodiment 1, after tested, aftertreatment fluid handles the de- of filtrate
Nitre efficiency is 45%, and filter efficiency is 99.991%.Denitration efficiency is relatively low, it is impossible to guarantee to ensure the effect of denitration.Rely on
In the dustproof function of filtrate in itself, its filter efficiency is ideal.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of dedusting denitrification integral filtrate aftertreatment fluid, it is characterised in that the aftertreatment fluid includes following component：Nitric acid
Manganese solution, cerous nitrate, ammonium metavanadate, ammonium paratungstate, stearic acid and polyethylene glycol oxide.
2. filtrate aftertreatment fluid according to claim 1, it is characterised in that according to mass fraction meter, the aftertreatment fluid
Include following component：30-100 parts of manganese nitrate solution, 10-50 parts of cerous nitrate, 5-20 parts of ammonium metavanadate, 10-30 parts of ammonium paratungstate,
5-15 parts of stearic acid, 0.5-5 parts of polyethylene glycol oxide.
3. filtrate aftertreatment fluid according to claim 2, it is characterised in that according to mass fraction meter, the aftertreatment fluid
Include following component：65 parts of manganese nitrate solution, 30 parts of cerous nitrate, 12 parts of ammonium metavanadate, 20 parts of ammonium paratungstate, 10 parts of stearic acid,
3 parts of polyethylene glycol oxide.
4. the preparation method of the filtrate aftertreatment fluid any one of claims 1 to 3, it is characterised in that the preparation side
Method includes：
At 20-30 DEG C, cerous nitrate, ammonium metavanadate, ammonium paratungstate, stearic acid and polyoxygenated are sequentially added into manganese nitrate solution
Ethene, is then well mixed, and filtrate aftertreatment fluid is made.
5. preparation method according to claim 4, it is characterised in that the process of the mixing is in ultrasonic oscillation instrument
It is sufficiently mixed 10 minutes.
6. application of the filtrate aftertreatment fluid in processing filtrate any one of claims 1 to 3.
7. application according to claim 6, it is characterised in that the application is achieved by the steps of：
Filtrate is sufficiently impregnated in the filtrate aftertreatment fluid, then thermal finalization is carried out to filtrate, then rapid cooling, is made tool
There is the filtrate of dedusting denitrification integral function.
8. application according to claim 7, it is characterised in that the time of the dipping is 3-10 minutes, the thermal finalization
Process be by filtrate insert in forming machine with 210-240 DEG C shape 5-15 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763336.7A CN107308724A (en) | 2017-08-30 | 2017-08-30 | A kind of dedusting denitrification integral filtrate aftertreatment fluid and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710763336.7A CN107308724A (en) | 2017-08-30 | 2017-08-30 | A kind of dedusting denitrification integral filtrate aftertreatment fluid and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107308724A true CN107308724A (en) | 2017-11-03 |
Family
ID=60176960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710763336.7A Pending CN107308724A (en) | 2017-08-30 | 2017-08-30 | A kind of dedusting denitrification integral filtrate aftertreatment fluid and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107308724A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404520A (en) * | 2018-03-12 | 2018-08-17 | 江苏新亿源环保科技有限公司 | A kind of preparation method of high intensity flue filtering material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307553A (en) * | 2014-09-16 | 2015-01-28 | 东营信拓汽车***有限公司 | Preparation method of wide-temperature range rare earth-based composite oxide denitration catalyst |
| CN104941319A (en) * | 2015-06-19 | 2015-09-30 | 合肥工业大学 | Method for preparing manganese-base dedusting and denitration integration function filter material |
-
2017
- 2017-08-30 CN CN201710763336.7A patent/CN107308724A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307553A (en) * | 2014-09-16 | 2015-01-28 | 东营信拓汽车***有限公司 | Preparation method of wide-temperature range rare earth-based composite oxide denitration catalyst |
| CN104941319A (en) * | 2015-06-19 | 2015-09-30 | 合肥工业大学 | Method for preparing manganese-base dedusting and denitration integration function filter material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108404520A (en) * | 2018-03-12 | 2018-08-17 | 江苏新亿源环保科技有限公司 | A kind of preparation method of high intensity flue filtering material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102350340B (en) | Composite smoke denitration catalyst capable of oxidizing zero-valence mercury | |
| CN102658215B (en) | SCR (selective catalytic reduction) flue gas denitration catalyst regeneration method | |
| CN102974367B (en) | Method for regenerating inactivation SCR denitration catalyst by using antitoxic renewable liquid | |
| CN205145971U (en) | Coke oven flue gas desulfurization denitration dust removal integration system | |
| CN102059156B (en) | Denitration catalyst regenerating solution and regenerating method thereof | |
| CN103406006A (en) | SCR (Selective Catalytic Reduction) denitration device for NOx control of rotary cement kiln | |
| CN101474581B (en) | Catalyst module edge hardening liquid with activity | |
| CN203494378U (en) | SCR (Selective Catalytic Reduction) denitration device for controlling NOx of rotary cement kiln | |
| CN106731226A (en) | One step in-situ synthesis prepare the method that binary denitration sulfur resistant catalyst loads filtrate | |
| CN205032070U (en) | Desulfurization dust removal denitration integrated device | |
| CN105148948A (en) | Denitration catalyst capable of removing dioxins and preparation method thereof | |
| CN205412681U (en) | Tail gas desulfurization , denitration, dust removal integration treatment device | |
| CN103736481A (en) | CeO2-MoO3/graphene low-temperature denitration catalyst and preparation method | |
| CN106731234B (en) | A kind of preparation method of binary denitration sulfur resistant catalyst composite filtering material | |
| CN103203176A (en) | Method for flue gas desulfurization, denitrification and demercuration by semidry method | |
| CN104549562A (en) | Process for cleaning and regenerating denitration catalyst | |
| CN101920211B (en) | Preparation method of semi-coke flue gas denitrfying agent used in low-temperature catalytic oxidation | |
| CN103920503B (en) | A kind of modification regeneration SCR denitration and preparation method thereof | |
| CN107308724A (en) | A kind of dedusting denitrification integral filtrate aftertreatment fluid and its preparation method and application | |
| CN103263832A (en) | Method and system for decarburization through complete combustion of boiler as well as desulfurization, denitration and dust removal of exhaust gas | |
| CN1327966C (en) | Process for preparing fluorine blended metal oxide catalyst | |
| CN106925034B (en) | A kind of preparation method of denitration function polyphenylene sulfide composite filtering material | |
| CN103331140B (en) | Demercuration adsorbent and preparation method thereof | |
| CN108607542A (en) | A kind of denitration demercuration catalyst and preparation method thereof | |
| Feeley III et al. | Field testing of mercury control technologies for coal-fired power plants |
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: 20171103 |