CN102305411A - Method and system for carrying out incineration treatment on fluorine-containing organic waste liquor/waste gas - Google Patents
Method and system for carrying out incineration treatment on fluorine-containing organic waste liquor/waste gas Download PDFInfo
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- CN102305411A CN102305411A CN201110258077A CN201110258077A CN102305411A CN 102305411 A CN102305411 A CN 102305411A CN 201110258077 A CN201110258077 A CN 201110258077A CN 201110258077 A CN201110258077 A CN 201110258077A CN 102305411 A CN102305411 A CN 102305411A
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Abstract
The invention relates to a method and a system for carrying out incineration treatment on fluorine-containing organic waste liquor/waste gas. The method is characterized in that through simultaneously feeding fluorine-containing organic waste liquor and waste gas into a combustion chamber of an incinerator by two channels, the high-temperature decomposition of fluorine-containing organic waste liquor and waste gas is realized in the combustion chamber; and through feeding hydrogen into the incinerator, an operation of converting redundant organic fluorine into inorganic hydrogen fluoride is promoted, and finally, an operation of converting all organic fluorine inorganic hydrogen fluoride is ensured, so that a post-absorption system converts all the hydrogen fluoride into a hydrofluoric acid, thereby effectively improving the conversion rate and recovery ratio of fluorine resources. After being treated by an after-treatment system, a reaction product discharged from the combustion chamber is discharged into the atmosphere again through a chimney. By using the method and system provided by the invention, both the requirements for environment friendliness can be satisfied, and the fuel can be saved, thereby achieving the double effects of energy conservation and harmless implementation.
Description
Technical field
The present invention relates to a kind of fluorine-containing organic liquid waste, the nuisanceless treatment technology of waste gas, be specifically related to the incineration treatment method and the system thereof of a kind of fluorinion concentration high-concentration fluorine-contained organic liquid waste, waste gas more than 200mg/L.
Background technology
The main method of the fluorine-containing organic exhaust gas waste liquid of present domestic processing is through in waste water, adding lime stone it to be carried out alkali cleaning etc.; These class methods can produce a large amount of brine wastes; Simultaneously not obvious for organic fluoride-containing waste gas and waste liquid treatment effect, cause secondary pollution easily; Utilize chemical coagulation-sedimentation method handle fluorine-containing organic wastewater only be applicable to fluorine fluctuation of concentration in low concentration and the waste water less waste water; Microbial method is handled fluorine-containing organic wastewater and also is in laboratory stage at present, and not seeing had the industrialization public reported.
Summary of the invention
The object of the present invention is to provide a kind of fluorine-containing organic liquid waste burned waste gas processing method and system thereof.
A kind of fluorine-containing organic liquid waste of the present invention, burned waste gas processing method; It sends into fluorine-containing organic exhaust gas, fluorine-containing organic liquid waste the combustion chamber internal combustion of incinerator respectively simultaneously; Ignition temperature is at 1100～1200 ℃; Under the condition that has oxygen to exist, the Organic fluoride in fluorine-containing organic exhaust gas, the fluorine-containing organic liquid waste is all changed into inorganic HF through hydrogenation in incinerator; The high-temperature flue gas that contains HF after having burnt gets into quench drum; In quench drum, emit after heat reduces to 85～100 ℃; Further absorb the HF in the flue gas through falling-film absorber again; Export after gained HF acid solution reaches finite concentration, gained residue flue gas neutralizes through caustic wash tower and removes unnecessary HF after enter atmosphere by chimney.
Aforesaid a kind of fluorine-containing organic liquid waste, burned waste gas processing method, its described in incinerator, being hydrogenated to adds H
2Or H
2O.
A kind of fluorine-containing organic liquid waste of the present invention, burned waste gas treatment system; Its this system comprises incinerator, fluorine-containing organic exhaust gas supply system, the fluorine-containing organic liquid waste supply system that is connected respectively with incinerator inlet, adds hydrogen supply, combustion air supply system; Incinerator outlet connection flue gas chilling and HF recovery system, caustic washing system; Described fluorine-containing organic exhaust gas supply system is supplied fluorine-containing organic exhaust gas in the combustion chamber of incinerator; Described fluorine-containing organic liquid waste supply system is supplied fluorine-containing organic liquid waste in the combustion chamber of incinerator; Described add hydrogen supply in the combustion chamber of incinerator with H
2Or H
2O supplied hydrogen atom; Described combustion air supply system is imported combustion air in the combustion chamber of incinerator; Described flue gas chilling and HF recovery system reduce the temperature of incinerator internal reaction gained flue gas, and reclaim the HF in the flue gas, export after HF acid solution to be recycled reaches finite concentration; Flue gas after the gained cooling enters atmosphere after unnecessary HF is removed in neutralization through caustic washing system.
Described flue gas chilling and HF recovery system comprise quench drum, acid jar, diluted acid pump, falling-film absorber; Wherein the quench drum inlet links to each other with the combustion chamber reacting product outlet of incinerator; The quench drum outlet links to each other with the smoke inlet of falling-film absorber; The acid solution outlet of falling-film absorber links to each other with the inlet of acid jar; The outlet of acid jar links to each other with the inlet of diluted acid pump; The diluted acid delivery side of pump links to each other with the acid solution inlet of falling-film absorber and accomplishes the circulation of acid solution absorption liquid; When acid reaches finite concentration, can receive the recovery conveying that pipeline is accomplished hydrofluoric acid via acid solution through the diluted acid delivery side of pump.
Described caustic washing system comprises caustic wash tower, alkali jar, lye pump, chimney; Wherein, The exhanst gas outlet of falling-film absorber links to each other with the smoke inlet of caustic wash tower; Caustic wash tower top links to each other with chimney; The alkali lye outlet of caustic wash tower bottom links to each other with the inlet of alkali jar; The outlet of alkali jar links to each other with the inlet of lye pump, and the alkali lye delivery side of pump links to each other with the alkali liquor inlet of caustic wash tower and accomplishes the circulation of alkali liquid washing liquid.
The described hydrogen supply that adds comprises the hydrogenation supply line that links to each other with the hydrogenation inlet of incinerator, makes hydrogen or water directly send into and accompanies burning to realize providing hydrogen atom in the incinerator.
Described combustion air supply system comprises combustion air supply line, cfentrifugal blower; Wherein the combustion air supply line links to each other with the inlet of cfentrifugal blower, and the outlet of cfentrifugal blower links to each other with the combustion air of incinerator inlet.
Described fluorine-containing organic exhaust gas supply system comprises fluorine-containing organic exhaust gas supply line, off-gas buffer tank, waste gas booster fan; Wherein fluorine-containing organic exhaust gas supply line links to each other with the inlet of off-gas buffer tank, and the outlet of off-gas buffer tank links to each other with the inlet of waste gas booster fan, and the outlet of waste gas booster fan links to each other with the combustion chamber of incinerator through pipeline.
Described fluorine-containing organic liquid waste supply system comprises fluorine-containing organic liquid waste supply line, waste liquid surge tank, waste liquid delivery pump; Wherein fluorine-containing organic liquid waste supply line links to each other with the inlet of waste liquid surge tank, and the outlet of waste liquid surge tank links to each other with the inlet of waste liquid delivery pump, and waste liquid carries delivery side of pump to link to each other with the combustion chamber of incinerator through pipeline.
Effect of the present invention is:
The incinerating method of the fluorine-containing organic liquid waste of processing of the present invention, waste gas divides two-way to get into the combustion chamber of incinerator simultaneously fluorine-containing organic liquid waste, waste gas; In the combustion chamber, realized the pyrolytic of fluorine-containing organic liquid waste, waste gas, simultaneously through hydrogenation (H in incinerator
2Or H
2O) promote unnecessary Organic fluoride to change into inorganic hydrogen fluoride, guarantee that finally whole Organic fluoride change into inorganic hydrogen fluoride, hydrogen fluoride is all changed into hydrofluoric acid, improved the conversion ratio and the rate of recovery of fluorine resource effectively with absorption system after an action of the bowels.The product that gives off from the combustion chamber, after the after-treatment system processing, product enters atmosphere through chimney again.The inventive method had both satisfied environmental protection requirement, had practiced thrift fuel again, reached energy-conservation and the innoxious double effects of realization.
The CIU of the fluorine-containing organic liquid waste of processing of the present invention, waste gas with the thermal decomposition of fluorine-containing organic liquid waste, waste gas and the burning of waste liquid waste gas combustible composition, concentrates on this equipment of incinerator, simultaneously through hydrogenation (H in incinerator
2Or H
2O) promote unnecessary Organic fluoride to change into inorganic hydrogen fluoride, guarantee that finally whole Organic fluoride change into inorganic hydrogen fluoride, hydrogen fluoride is all changed into hydrofluoric acid, improved the conversion ratio and the rate of recovery of fluorine resource effectively with absorption system after an action of the bowels.
The present invention has reduced quantity and link that parameter is regulated, is convenient to operate and keep the long-period stable operation of production.Flue gas chilling of the present invention and HF recovery system through the certain density hydrofluoric acid of falling-film absorber recycling, have certain commercial value.The present invention has carried out improvement, improvement to the fluorine-containing organic liquid waste of tradition, waste gas treatment process and has replenished; Can be used for organosilicon, oil plant, the fluorine-containing organic liquid waste of petroleum chemical enterprise, exhaust-gas treatment operation, also can be used for the harmless treatment of fluorine-containing organic liquid waste, waste gas in other relevant industries.
Description of drawings
Fig. 1 is a kind of fluorine-containing organic liquid waste of the present invention, burned waste gas treatment system sketch map.
Among the figure: 1. combustion air supply line; 2. air blast; 3. hydrogenation supply line; 4. fluorine-containing organic exhaust gas supply line; 5. waste gas containing fluoride surge tank; 6. waste gas supercharger; 7. fluorine-containing organic liquid waste supply line; 8. fluorine-containing waste liquid surge tank; 9. waste liquid delivery pump; 10. incinerator; 11. quench drum; 12. acid jar; 13. diluted acid pump; 14. diluted acid output pipe; 15. falling-film absorber; 16. caustic wash tower; 17. alkali jar; 18. lye pump; 19. chimney; 20. the quench drum liquid level is replenished pipeline.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment a kind of fluorine-containing organic liquid waste burned waste gas processing method of the present invention and system thereof are further described.
A kind of fluorine-containing organic liquid waste of the present invention, burned waste gas processing method, it comprises the steps:
(1) fluorine-containing organic exhaust gas, fluorine-containing organic liquid waste are sent into simultaneously the combustion chamber internal combustion of incinerator respectively, ignition temperature is 1100～1200 ℃ (for example: 1100 ℃, 1150 ℃, 1200 ℃), under the condition that has oxygen to exist, through hydrogenation (H in incinerator
2Or H
2O) Organic fluoride in fluorine-containing organic exhaust gas, the fluorine-containing organic liquid waste is all changed into inorganic HF;
(2) high-temperature flue gas that contains HF after step (1) has been burnt gets into quench drum; In quench drum, emit after heat reduces to 85～100 ℃ (for example: 85 ℃, 90 ℃, 100 ℃); Further absorb the HF in the flue gas through falling-film absorber again; Export after gained HF acid solution reaches finite concentration, gained residue flue gas neutralizes through caustic wash tower and removes unnecessary HF after enter atmosphere by chimney.
As shown in Figure 1; A kind of fluorine-containing organic liquid waste of the present invention, burned waste gas treatment system; It comprises incinerator 10, fluorine-containing organic exhaust gas supply system, the fluorine-containing organic liquid waste supply system that is connected respectively with incinerator 10 inlet, adds hydrogen supply, combustion air supply system; Incinerator 10 outlet connection flue gas chillings and HF recovery system, caustic washing system.
Described fluorine-containing organic exhaust gas supply system is supplied fluorine-containing organic exhaust gas in the combustion chamber of incinerator 10.This fluorine-containing organic exhaust gas supply system comprises fluorine-containing organic exhaust gas supply line 4, off-gas buffer tank 5, waste gas booster fan 6; Wherein fluorine-containing organic exhaust gas supply line 4 links to each other with the inlet of off-gas buffer tank 5, and the outlet of off-gas buffer tank 5 links to each other with the inlet of waste gas booster fan 6, and the outlet of waste gas booster fan 6 links to each other with the combustion chamber of incinerator 10 through pipeline.
Described fluorine-containing organic liquid waste supply system is supplied fluorine-containing organic liquid waste in the combustion chamber of incinerator 10.This fluorine-containing organic liquid waste supply system comprises fluorine-containing organic liquid waste supply line 7, waste liquid surge tank 8, waste liquid delivery pump 9; Wherein fluorine-containing organic liquid waste supply line 7 links to each other with the inlet of waste liquid surge tank 8, and the outlet of waste liquid surge tank 8 links to each other with the inlet of waste liquid delivery pump 9, and the outlet of waste liquid delivery pump 9 links to each other with the combustion chamber of incinerator 10 through pipeline.
Described add hydrogen supply in the combustion chamber of incinerator 10 with H
2Or H
2O supplied hydrogen atom; This adds hydrogen supply and comprises the hydrogenation supply line 3 that links to each other with the hydrogenation inlet of incinerator 10, makes hydrogen or water directly send into and accompanies burning to realize providing hydrogen atom in the incinerator 10.
Described combustion air supply system is imported combustion air in the combustion chamber of incinerator 10.This combustion air supply system comprises combustion air supply line 1, cfentrifugal blower 2; Wherein combustion air supply line 1 links to each other with the inlet of cfentrifugal blower 2, and the outlet of cfentrifugal blower 2 links to each other with the combustion air inlet of incinerator 10.
Described flue gas chilling and HF recovery system reduce the temperature of incinerator 10 internal reaction gained flue gases, and reclaim the HF in the flue gas, export after HF acid solution to be recycled reaches finite concentration.This flue gas chilling and HF recovery system comprise quench drum 11, acid jar 12, diluted acid pump 13, falling-film absorber 15; Wherein quench drum 11 inlets link to each other with the combustion chamber reacting product outlet of incinerator 10; Quench drum 11 outlets link to each other with the smoke inlet of falling-film absorber 15; The acid solution outlet of falling-film absorber 15 links to each other with the inlet of acid jar 12; The outlet of acid jar 12 links to each other with the inlet of diluted acid pump 13; The outlet of diluted acid pump 13 links to each other with the acid solution inlet of falling-film absorber 15 and accomplishes the circulation of acid solution absorption liquid; When acid reaches finite concentration, can receive the recovery conveying that pipeline 14 is accomplished hydrofluoric acid via acid solution through the outlet of diluted acid pump 13.
Flue gas after the gained cooling enters atmosphere after unnecessary HF is removed in neutralization through caustic washing system.This caustic washing system comprises caustic wash tower 16, alkali jar 17, lye pump 18, chimney 19; Wherein, The exhanst gas outlet of falling-film absorber 15 links to each other with the smoke inlet of caustic wash tower 16; Caustic wash tower 16 tops link to each other with chimney 19; The alkali lye outlet of caustic wash tower 16 bottoms links to each other with the inlet of alkali jar 17; The outlet of alkali jar 17 links to each other with the inlet of lye pump 18, and the outlet of lye pump 18 links to each other with the alkali liquor inlet of caustic wash tower 16 and accomplishes the circulation of alkali liquid washing liquid.
Fluorine-containing organic liquid waste of the present invention, the burned waste gas treatment system course of work are: fluorine-containing waste gas, waste liquid are sent into the incinerator combustion chamber respectively simultaneously; The incinerator interior reaction temperature is 1100～1200 ℃; Through hydrogenation (H in incinerator
2Or H
2O) solve unnecessary Organic fluoride and all change into inorganic hydrofluoric key issue, effectively improve the rate of recovery of fluorine resource.Guaranteeing has in the incinerator under the condition of oxygen existence, and waste liquid and waste gas at high temperature decompose, oxidation, generates CO
2, H
2O, HF, NO, NO
2Deng, the product that gives off is free of contamination N
2, H
2The superfluous O of O and part
2Gas.The high-temperature flue gas that gives off from the incinerator combustion chamber; Get into quench drum; After in quench drum, emitting heat; Further circulate through falling-film absorber again and absorb the HF in the flue gas; Treat to be delivered to the diluted acid receiving system after acid solution reaches finite concentration; A part of acid solution is delivered to quench drum and is used for guaranteeing its liquid level simultaneously, and the flue gas after the cooling neutralizes unnecessary HF after enter atmosphere by chimney through caustic wash tower, and the flue gas after the processing satisfies national requirements for environmental protection.The present invention has carried out improvement, improvement to traditional fluoride treatment process and has replenished, and satisfies environmental protection and requirements of saving energy.
The present invention is to the improvement of the fluorine-containing organic exhaust gas method for treating waste liquid of tradition.It can judge whether to add fuel according to the calorific value of fluorine-containing organic liquid waste; Can add hydrogen as auxiliary fuel if waste liquid, waste gas calorific value are low; If waste liquid, waste gas calorific value are higher; Can realize smooth combustion; In incinerator, mend entry, utilize the hydrogen in the water to catch fluorine ion in the waste liquid, thereby fluorine in organic liquid waste, the waste gas is become inorganic matter--hydrogen fluoride; Through the back absorption system hydrogen fluoride in the combustion product is absorbed, and the certain density hydrofluoric acid of by-product.Similar hydrogenation CIU, the present domestic public reported of also not seeing.Can be used for organosilicon, oil plant, the fluorine-containing organic liquid waste of petroleum chemical enterprise, exhaust-gas treatment operation, also can be used for the harmless treatment of fluorine-containing organic liquid waste, waste gas in other relevant industries.
Claims (9)
1. a fluorine-containing organic liquid waste, burned waste gas processing method; It is characterized in that: this method is sent into fluorine-containing organic exhaust gas, fluorine-containing organic liquid waste the combustion chamber internal combustion of incinerator respectively simultaneously; Ignition temperature is at 1100～1200 ℃; Under the condition that has oxygen to exist, the Organic fluoride in fluorine-containing organic exhaust gas, the fluorine-containing organic liquid waste is all changed into inorganic HF through hydrogenation in incinerator; The high-temperature flue gas that contains HF after having burnt gets into quench drum; In quench drum, emit after heat reduces to 85～100 ℃; Further absorb the HF in the flue gas through falling-film absorber again; Export after gained HF acid solution reaches finite concentration, gained residue flue gas neutralizes through caustic wash tower and removes unnecessary HF after enter atmosphere by chimney.
2. a kind of fluorine-containing organic liquid waste according to claim 1, burned waste gas processing method is characterized in that: described in incinerator, being hydrogenated to adds H
2Or H
2O.
3. a fluorine-containing organic liquid waste, burned waste gas treatment system; It is characterized in that: this system comprises incinerator (10), fluorine-containing organic exhaust gas supply system, the fluorine-containing organic liquid waste supply system that is connected respectively with incinerator (10) inlet, adds hydrogen supply, combustion air supply system; Incinerator (10) outlet connection flue gas chilling and HF recovery system, caustic washing system; Described fluorine-containing organic exhaust gas supply system is supplied fluorine-containing organic exhaust gas in the combustion chamber of incinerator (10); Described fluorine-containing organic liquid waste supply system is supplied fluorine-containing organic liquid waste in the combustion chamber of incinerator (10); Described add hydrogen supply in the combustion chamber of incinerator (10) with H
2Or H
2O supplied hydrogen atom; Described combustion air supply system is imported combustion air in the combustion chamber of incinerator (10); Described flue gas chilling and HF recovery system reduce the temperature of incinerator (10) internal reaction gained flue gas, and reclaim the HF in the flue gas, export after HF acid solution to be recycled reaches finite concentration; Flue gas after the gained cooling enters atmosphere after unnecessary HF is removed in neutralization through caustic washing system.
4. a kind of fluorine-containing organic liquid waste according to claim 3, burned waste gas treatment system is characterized in that: described flue gas chilling and HF recovery system comprise quench drum (11), acid jar (12), diluted acid pump (13), falling-film absorber (15); Wherein quench drum (11) inlet links to each other with the combustion chamber reacting product outlet of incinerator (10); Quench drum (11) outlet links to each other with the smoke inlet of falling-film absorber (15); The acid solution outlet of falling-film absorber (15) links to each other with the inlet of acid jar (12); The outlet of acid jar (12) links to each other with the inlet of diluted acid pump (13); The outlet of diluted acid pump (13) links to each other with the acid solution inlet of falling-film absorber (15) and accomplishes the circulation of acid solution absorption liquid; When acid reaches finite concentration, can receive the recovery conveying that pipeline (14) is accomplished hydrofluoric acid via acid solution through the outlet of diluted acid pump (13).
5. a kind of fluorine-containing organic liquid waste according to claim 3, burned waste gas treatment system is characterized in that: described caustic washing system comprises caustic wash tower (16), alkali jar (17), lye pump (18), chimney (19); Wherein, The exhanst gas outlet of falling-film absorber (15) links to each other with the smoke inlet of caustic wash tower (16); Caustic wash tower (16) top links to each other with chimney (19); The alkali lye outlet of caustic wash tower (16) bottom links to each other with the inlet of alkali jar (17); The outlet of alkali jar (17) links to each other with the inlet of lye pump (18), and the outlet of lye pump (18) links to each other with the alkali liquor inlet of caustic wash tower (16) and accomplishes the circulation of alkali liquid washing liquid.
6. a kind of fluorine-containing organic liquid waste according to claim 3, burned waste gas treatment system; It is characterized in that: the described hydrogen supply that adds comprises the hydrogenation supply line (3) that links to each other with the hydrogenation inlet of incinerator (10), makes hydrogen or water directly send into and accompanies burning to realize providing hydrogen atom in the incinerator (10).
7. a kind of fluorine-containing organic liquid waste according to claim 3, burned waste gas treatment system is characterized in that: described combustion air supply system comprises combustion air supply line (1), cfentrifugal blower (2); Wherein combustion air supply line (1) links to each other with the inlet of cfentrifugal blower (2), and the outlet of cfentrifugal blower (2) links to each other with the combustion air inlet of incinerator (10).
8. a kind of fluorine-containing organic liquid waste according to claim 3, burned waste gas treatment system is characterized in that: described fluorine-containing organic exhaust gas supply system comprises fluorine-containing organic exhaust gas supply line (4), off-gas buffer tank (5), waste gas booster fan (6); Wherein fluorine-containing organic exhaust gas supply line (4) links to each other with the inlet of off-gas buffer tank (5), and the outlet of off-gas buffer tank (5) links to each other with the inlet of waste gas booster fan (6), and the outlet of waste gas booster fan (6) links to each other with the combustion chamber of incinerator (10) through pipeline.
9. a kind of fluorine-containing organic liquid waste according to claim 3, burned waste gas treatment system is characterized in that: described fluorine-containing organic liquid waste supply system comprises fluorine-containing organic liquid waste supply line (7), waste liquid surge tank (8), waste liquid delivery pump (9); Wherein fluorine-containing organic liquid waste supply line (7) links to each other with the inlet of waste liquid surge tank (8), and the outlet of waste liquid surge tank (8) links to each other with the inlet of waste liquid delivery pump (9), and the outlet of waste liquid delivery pump (9) links to each other with the combustion chamber of incinerator (10) through pipeline.
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| CN102705839A (en) * | 2012-05-16 | 2012-10-03 | 冯国宇 | Incineration disposal system of fluorine-containing waste liquid and waste gas and disposal method thereof |
| CN102865583A (en) * | 2012-09-26 | 2013-01-09 | 北京航天动力研究所 | Device and method for saline organic wastewater immersed incineration quenching treatment |
| CN103292332A (en) * | 2013-05-27 | 2013-09-11 | 北京航天动力研究所 | Negative-pressure incineration disposal system and negative-pressure incineration disposal method for fluorine-containing organic waste liquid and exhaust gas |
| CN106051790A (en) * | 2016-05-24 | 2016-10-26 | 杨峥雄 | Regenerative thermal oxidizer (RTO) with waste solvent as auxiliary fuel and burning method |
| CN106524191A (en) * | 2016-10-31 | 2017-03-22 | 江苏优瑞德环境科技有限公司 | Fluorine-contained alkane waste gas incineration treatment process and device |
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Cited By (8)
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| CN102705839A (en) * | 2012-05-16 | 2012-10-03 | 冯国宇 | Incineration disposal system of fluorine-containing waste liquid and waste gas and disposal method thereof |
| CN102865583A (en) * | 2012-09-26 | 2013-01-09 | 北京航天动力研究所 | Device and method for saline organic wastewater immersed incineration quenching treatment |
| CN102865583B (en) * | 2012-09-26 | 2015-03-04 | 北京航天动力研究所 | Device and method for saline organic wastewater immersed incineration quenching treatment |
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| CN106051790A (en) * | 2016-05-24 | 2016-10-26 | 杨峥雄 | Regenerative thermal oxidizer (RTO) with waste solvent as auxiliary fuel and burning method |
| CN106524191A (en) * | 2016-10-31 | 2017-03-22 | 江苏优瑞德环境科技有限公司 | Fluorine-contained alkane waste gas incineration treatment process and device |
| CN112604418A (en) * | 2020-12-12 | 2021-04-06 | 单县欣润化工有限公司 | Method and system for treating 2-chloro-5-trifluoromethylpyridine reaction tail gas |
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Application publication date: 20120104 |