CN110292847A - A kind of activated coke desulfurization denitrification integral processing system - Google Patents
A kind of activated coke desulfurization denitrification integral processing system Download PDFInfo
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- CN110292847A CN110292847A CN201910703136.1A CN201910703136A CN110292847A CN 110292847 A CN110292847 A CN 110292847A CN 201910703136 A CN201910703136 A CN 201910703136A CN 110292847 A CN110292847 A CN 110292847A
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- Prior art keywords
- module
- desulfurization
- coke
- denitration
- flue gas
- Prior art date
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- Pending
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- 239000000571 coke Substances 0.000 title claims abstract description 82
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 76
- 230000023556 desulfurization Effects 0.000 title claims abstract description 76
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000003546 flue gas Substances 0.000 claims abstract description 53
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 28
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 19
- 239000000779 smoke Substances 0.000 claims abstract description 9
- 239000002699 waste material Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 8
- 239000003517 fume Substances 0.000 claims description 8
- 239000013589 supplement Substances 0.000 claims description 4
- 239000000908 ammonium hydroxide Substances 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006479 redox reaction Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- 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
Abstract
The invention discloses a kind of activated coke desulfurization denitrification integral processing system, which mainly includes desulfurization and denitrification integral reactor, tank used for storing ammonia, spray ammonia mixing column, aqua ammonia pump, waste coke storehouse, air-introduced machine.Raw flue gas from boiler is entered the desulfurization module of reactor by the desulfurization entrance of desulfurization and denitrification integral reactor, and flue gas is contacted with the activated coke in reactor, the SO in flue gas2By the activated coke adsorbing and removing in reactor, flue gas by desulfurization enters spray ammonia mixing column, the ammonium hydroxide come with tank used for storing ammonia is sufficiently mixed, and subsequently into the denitration module of reactor, low-temperature catalyzed with ammonia react of the NOx in reactor Jing Guo activated coke in flue gas is reduced to N2, it is sent into smoke stack emission via air-introduced machine by the clean flue gas of desulphurization denitration, the waste coke that reactor generates is sent into waste coke storehouse.The present invention has the characteristics that investment is small, structure is simple, reliable for operation, operating cost is low.
Description
Technical field
The present invention relates to atmosphere pollution Treatment process fields, and in particular to a kind of active coke desulphurizing denitrification integral processing
System.
Background technique
Coal occupies leading position in the non-renewable energy in China, and the most Land use systems of coal are by burning come real
Existing, and the burning of coal can generate a large amount of pollutant, comprising: SO2, NOx, dust and heavy metal etc..For protecting ecology
Environment, builds sustainable development economy, and country and local government have put into effect a series of stringenter Air Pollutant Emission marks
Quasi- and control measure, it is desirable that most coal unit will realize minimum discharge.
At present in thermal power industry, come generally by measures such as low nitrogen burning+SCR/SNCR+ high-efficiency dust remover+FGD
Realize the qualified discharge of pollutant.But in other non-electrical industries, there are also significant component of coal-burning boiler or stoves, lead to
Crossing traditional processing mode cannot achieve the requirement of minimum discharge.
Therefore a kind of system compact is developed, pollutant removing is high-efficient, is able to achieve multiple pollutant integration removing, operation
Reliable activated coke desulfurization denitrification integral technology has very positive meaning to the development for pushing environmental protection industry.
Summary of the invention
To solve the above-mentioned problems, the object of the present invention is to provide a kind of activated coke desulfurization denitrification integral system,
Tool invests small, system compact, feature reliable for operation, pollutant removing is high-efficient.
To achieve the goals above, The technical solution adopted by the invention is as follows: a kind of activated coke desulfurization denitration is integrated
Change processing system, including desulfurization module, denitration module and new coke bin, in which:
The side of the desulfurization module is raw flue gas entrance, and the other side is desulfurization fume outlet, the bottom of desulfurization module
Equipped with rotary discharging valve, the outlet of rotary discharging valve is connected with waste coke storehouse, and the desulfurization fume outlet of desulfurization module and spray ammonia are mixed
It closes tower to be connected, is equipped with ammonia water spray gun in spray ammonia mixing column, ammonia water spray gun is connected by aqua ammonia pump and pipeline with tank used for storing ammonia；
The exhanst gas outlet of the spray ammonia mixing column is connected with denitration module smoke inlet, is provided in the denitration module
The exhanst gas outlet of activated coke, denitration module is connected with air-introduced machine, and air-introduced machine is connected with chimney；
The top of the denitration module is equipped with new coke bin, and new coke bin is connected by gate valve with denitration module, described de-
Nitre module is connected with desulfurization module by rotary discharge valve；
The new coke bin is for storing activated coke.
The denitration module and desulfurization module arrange that denitration module is arranged above desulfurization module up and down, rotate discharging
Valve plays the role of completely cutting off flue gas for adjusting movement of the activated coke in reactor.
The spray ammonia mixing column is arranged between denitration module and desulfurization module, and the smoke inlet of ammonia mixing column is provided with
Bottom, exhanst gas outlet are provided with top.
Flue-gas temperature≤150 DEG C in the desulfurization module, flue gas flow rate are 1~4m/s.
Flue-gas temperature≤130 DEG C in the denitration module, flue gas flow rate are 2~5m/s.
In the clean flue gas of the exhanst gas outlet discharge of the denitration module, SO2≤35mg/Nm3, NOx≤50mg/Nm3。
It further include flowmeter and flow control valve, the flowmeter and flow control valve are mounted on ammonia water spray gun and pass through ammonium hydroxide
On pipeline between pump.
The exhanst gas outlet and smoke inlet of the denitration module are oppositely arranged in denitration module；The original of the desulfurization module
Beginning smoke inlet and desulfurization fume outlet are oppositely arranged on desulfurization module.
The activated coke stored in the new coke bin uses the column activated coke of 9mm, between the new coke bin and denitration module
It is connected by pneumatic gate valve, the pneumatic gate valve supplements new activated coke into denitration module for quantitatively controlling.
Compared with prior art, the present invention at least has the advantages that of the invention reasonable in design, by institute
The denitration module and desulfurization module stated are arranged up and down, and the removing of coal-fired flue-gas pollutant is used for using activated coke, and pass through rotation
Discharge valve is connected, while spray ammonia mixing column is equipped between denitration module and desulfurization module, by using integrated arrangement side
Formula, realizes the desulfurization and denitration of flue gas, and guarantees SO in flue gas2Meet minimum discharge requirement with NOx.Using new burnt in the present invention
The structure that storehouse, denitration module and desulfurization module are set gradually from top to bottom is arranged, is adequately utilized to activated coke, living first
Property coke can enter denitration module in carry out catalysis reaction realize flue gas denitration, then carried out catalysis reaction activated coke it is downward
Into in desulfurization module, the absorption desulfurization of raw flue gas is realized using the adsorption function of activated coke, it can be effectively to activated coke
It is made full use of, also, is attached between denitration module and desulfurization module by rotary discharge valve, it can be effectively real
Smoke gas isolating between existing rotary discharge valve, and then realize the online replacement activity of entire desulfurization and denitrification integral processing system
Burnt function, can enhance the continuous service ability of system, improve efficiency.
Also, for system of the invention by the way of dry desulfurization denitration, water consumption is few, and does not have discharge of wastewater；System
It unites compact-sized, investment is small, easy to operate, reliable for operation.
Further, in the present invention, the denitration module and desulfurization module are arranged up and down, are connected by rotary discharge valve
It connects, rotary discharge valve plays the role of completely cutting off flue gas for adjusting movement of the activated coke in reactor.
Detailed description of the invention
Fig. 1 is system flow schematic diagram of the invention.
Specific embodiment
More detailed description is done to the present invention below with reference to embodiment.
As shown in Figure 1, a kind of activated coke desulfurization denitrification integral processing system of the invention, including desulfurization module 3,
Raw flue gas entrance and the desulfurization fume outlet of the desulfurization module 3 are oppositely arranged on desulfurization module 3, and the one of desulfurization module 3
Side is raw flue gas entrance, and the raw flue gas temperature is controlled at≤150 DEG C；The other side of desulfurization module 3 is desulfurization fume
It exports, the flue gas flow rate in desulfurization module 3 is 1~4m/s, and the bottom of desulfurization module 3 is equipped with rotary discharging valve 6, rotary discharging valve
Outlet be connected with waste coke storehouse 7, the exhanst gas outlet of desulfurization module 3 is connected with spray ammonia mixing column 4, and spray ammonia mixing column 4 is equipped with
Ammonia water spray gun 5, ammonia water spray gun 5 are connected by aqua ammonia pump 10 and pipeline with tank used for storing ammonia 11, and pipeline is equipped with flowmeter 8 and stream
Adjustable valve 9.
The exhanst gas outlet of spray ammonia mixing column 4 is connected with denitration module 2, the exhanst gas outlet and flue gas of the denitration module 2
Entrance is oppositely arranged in denitration module 2, and the flue gas flow rate in the denitration module 2 is 2~5m/s；The cigarette of denitration module 2
Gas outlet is connected with air-introduced machine 12, and air-introduced machine 12 is connected with chimney 13, is equipped with new coke bin 1 in the top of denitration module 2, newly
Coke bin is connected by pneumatic gate valve 14 with denitration module 2.
The denitration module 2 and about 3 desulfurization module are arranged, are connected by rotary discharge valve 6, and rotary discharge valve 6 is used
In movement of the adjusting activated coke in reactor, while playing the role of completely cutting off flue gas；
The activated coke desulfurization denitrification integral processing system, the raw flue gas that fire coal generates is via desulfurization module
3 entrance enters desulfurization module 3, and the activated coke being full of in raw flue gas and desulfurization module 3 contacts, the SO in flue gas2It is lived
Property coke adsorbing and removing, the activated coke in desulfurization module 3 move from top to down, and the shifting of activated coke is controlled by rotary discharging valve 6
Dynamic speed removes SO by desulfurization module 32Flue gas is admitted to spray ammonia mixing column 7, and the ammonium hydroxide from tank used for storing ammonia 11 is by ammonia water spray gun
Denitration module 2, the work in flue gas and denitration module 2 are sent into 5 sufficiently atomizations after being sufficiently mixed in spray ammonia mixing column 7 with flue gas
Property coke come into full contact with, and redox reaction occurs on the surface of activated coke, the NOx in flue gas is reduced to N2And it removes.It is de-
Flue gas after sulphur denitration is sent into 13 qualified discharge of chimney via air-introduced machine 12；In the exhanst gas outlet clean flue gas of denitration module 2
SO2≤35mg/Nm3, NOx≤50mg/Nm3。
Useless activated coke after desulphurization denitration is sent into waste coke storehouse 7 by rotary discharge valve 6 and does subsequent processing.New activated coke storage
In new coke bin 1, is controlled by pneumatic gate valve 14 and quantitatively supplement new activated coke into denitration module 2.
In a certain embodiment of the invention, certain coal-burning boiler, exhaust gas volumn 150000Nm3/ h, SO in raw flue gas2Row
Put concentration 2000mg/Nm3, NOx emission concentration 450mg/Nm3。
Flue gas from boiler enters desulfurization module 3 via the entrance of desulfurization module 3, flue gas flow rate 2m/s, original
The activated coke being full of in flue gas and desulfurization module 3 contacts, the SO in flue gas2By activated coke adsorbing and removing, SO2Concentration of emission≤
35mg/Nm3, SO is removed by desulfurization module 32Flue gas be admitted to spray ammonia mixing column 7,10% concentration from tank used for storing ammonia 11
Ammonium hydroxide is sufficiently atomized by ammonia water spray gun 5, is sent into denitration module 2, flue gas flow rate after being sufficiently mixed in spray ammonia mixing column 7 with flue gas
For 3m/s, flue gas comes into full contact with the activated coke in denitration module 2, and redox reaction, cigarette occurs on the surface of activated coke
NOx in gas is reduced to N2And it removes, NOx emission concentration≤50mg/Nm3.Flue gas after desulphurization denitration is sent via air-introduced machine 12
Enter 13 qualified discharge of chimney.Useless activated coke after desulphurization denitration is sent into waste coke storehouse 7 by rotary discharge valve 6 and does subsequent processing.It is living
Property coke use the column activated coke of 9mm, be stored in new coke bin 1, controlled by pneumatic gate valve 14 quantitative to denitration module 2
The middle new activated coke of supplement.
Claims (9)
1. a kind of activated coke desulfurization denitrification integral processing system, it is characterised in that: including desulfurization module (3), denitration mould
Block (2) and new coke bin (1), in which:
The side of the desulfurization module (3) is raw flue gas entrance, and the other side is desulfurization fume outlet, the bottom of desulfurization module (3)
Portion is equipped with rotary discharging valve (6), and the outlet of rotary discharging valve is connected with waste coke storehouse (7), and the desulfurization fume of desulfurization module (3) goes out
Mouth is connected with spray ammonia mixing column (4), is equipped with ammonia water spray gun (5) in spray ammonia mixing column (4), and ammonia water spray gun (5) passes through aqua ammonia pump
(10) and pipeline is connected with tank used for storing ammonia (11)；
The exhanst gas outlet of spray ammonia mixing column (4) is connected with denitration module (2) smoke inlet, in the denitration module (2)
It is provided with activated coke, the exhanst gas outlet of denitration module (2) is connected with air-introduced machine (12), and air-introduced machine (12) is connected with chimney (13)
It connects；
The top of the denitration module (2) is equipped with new coke bin (1), and new coke bin (1) passes through gate valve (14) and denitration module (2) phase
Connection, the denitration module (2) are connected with desulfurization module (3) by rotary discharge valve (6)；
The new coke bin (1) is for storing activated coke.
2. activated coke desulfurization denitrification integral processing system according to claim 1, which is characterized in that described is de-
Nitre module (2) and desulfurization module (3) arrange that denitration module (2) setting is above desulfurization module (3), rotary discharge valve (6) up and down
For adjusting movement of the activated coke in reactor, while playing the role of completely cutting off flue gas.
3. activated coke desulfurization denitrification integral processing system according to claim 1, which is characterized in that the spray ammonia
Mixing column (4) is arranged between denitration module (2) and desulfurization module (3), and the smoke inlet of ammonia mixing column (4) is provided with bottom
Portion, exhanst gas outlet are provided with top.
4. activated coke desulfurization denitrification integral processing system according to claim 1, which is characterized in that the desulfurization
Flue-gas temperature≤150 DEG C in module (3), flue gas flow rate are 1~4m/s.
5. activated coke desulfurization denitrification integral processing system according to claim 1, which is characterized in that the denitration
Flue-gas temperature≤130 DEG C in module (2), flue gas flow rate are 2~5m/s.
6. active coke desulphurizing denitrification integral processing system according to claim 1, which is characterized in that the denitration module
(2) in the clean flue gas of exhanst gas outlet discharge, SO2≤35mg/Nm3, NOx≤50mg/Nm3。
7. active coke desulphurizing denitrification integral processing system according to claim 1, which is characterized in that further include flowmeter
(8) it is mounted on ammonia water spray gun (5) with flow control valve (9), the flowmeter (8) and flow control valve (9) and passes through aqua ammonia pump
(10) on the pipeline between.
8. according to active coke desulphurizing denitrification integral processing system described in claim 1, which is characterized in that the denitration module
(2) exhanst gas outlet and smoke inlet is oppositely arranged on denitration module (2)；The raw flue gas entrance of the desulfurization module (3)
It is oppositely arranged on desulfurization module (3) with desulfurization fume outlet.
9. active coke desulphurizing denitrification integral processing system according to claim 1, which is characterized in that the new coke bin
(1) activated coke stored in uses the column activated coke of 9mm, by pneumatically inserting between the new coke bin (1) and denitration module (2)
Plate valve (14) connection, the pneumatic gate valve (14) is for quantitatively controlling the new activated coke of supplement into denitration module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703136.1A CN110292847A (en) | 2019-07-31 | 2019-07-31 | A kind of activated coke desulfurization denitrification integral processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910703136.1A CN110292847A (en) | 2019-07-31 | 2019-07-31 | A kind of activated coke desulfurization denitrification integral processing system |
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| CN110292847A true CN110292847A (en) | 2019-10-01 |
Family
ID=68032329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910703136.1A Pending CN110292847A (en) | 2019-07-31 | 2019-07-31 | A kind of activated coke desulfurization denitrification integral processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495138A (en) * | 2020-04-26 | 2020-08-07 | 安徽顺达环保科技股份有限公司 | Desulfurization and denitrification equipment and process capable of circularly accelerating flue gas cracking catalysis |
| CN113813778A (en) * | 2021-08-23 | 2021-12-21 | 武汉华柏环保科技有限公司 | Method and equipment for flue gas desulfurization and denitration by using active coke-supported metal oxide |
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| CN1911491A (en) * | 2006-08-03 | 2007-02-14 | 长春惠工净化工业有限公司 | Moving bed smoke desulfur denitrate and dust removal technology |
| CN101732948A (en) * | 2009-12-31 | 2010-06-16 | 中电投远达环保工程有限公司 | Three-stage integrated treatment system and method for purification and regeneration of activated coke flue gas |
| US20160089631A1 (en) * | 2013-10-15 | 2016-03-31 | Institute Of Process Engineering, Chinese Academy Of Sciences | Combined desulfuration, denitration, and demercuration apparatus and method using semi-dry process in circulating fluidized bed |
| CN210410188U (en) * | 2019-07-31 | 2020-04-28 | 中国华能集团清洁能源技术研究院有限公司 | Active burnt flue gas desulfurization denitration integration processing system |
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- 2019-07-31 CN CN201910703136.1A patent/CN110292847A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712108A (en) * | 2004-06-25 | 2005-12-28 | 张文辉 | Smoke desulfurization and denitration |
| CN1911491A (en) * | 2006-08-03 | 2007-02-14 | 长春惠工净化工业有限公司 | Moving bed smoke desulfur denitrate and dust removal technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111495138A (en) * | 2020-04-26 | 2020-08-07 | 安徽顺达环保科技股份有限公司 | Desulfurization and denitrification equipment and process capable of circularly accelerating flue gas cracking catalysis |
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| CN113813778A (en) * | 2021-08-23 | 2021-12-21 | 武汉华柏环保科技有限公司 | Method and equipment for flue gas desulfurization and denitration by using active coke-supported metal oxide |
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