CN105854511A - Exhaust gas sulphur removal agent - Google Patents
Exhaust gas sulphur removal agent Download PDFInfo
- Publication number
- CN105854511A CN105854511A CN201610347145.8A CN201610347145A CN105854511A CN 105854511 A CN105854511 A CN 105854511A CN 201610347145 A CN201610347145 A CN 201610347145A CN 105854511 A CN105854511 A CN 105854511A
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- CN
- China
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- parts
- flue gas
- gas desulfurization
- desulfurization agent
- acid
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Classifications
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- 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
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
Abstract
The invention relates to the technical field of fuel combustion exhaust gas purification, in particular to an exhaust gas sulphur removal agent. The exhaust gas sulphur removal agent comprises, by mass, 3.8-8.8 parts of N, N-lupetazin, 10-18 parts of silica micro powder, 6-12 parts of carboxyl methyl cellulose, 3.8-5.8 parts of barium aluminate, 0.8-2.4 parts of sulphur-removal synergist, 0.8-2.4 parts of sodium dodecylsulphate and 50-60 parts of water, wherein the pH value of the exhaust gas sulphur removal agent ranges from 5 to 7. By means of the exhaust gas sulphur removal agent, sulfur dioxide can be efficiently adsorbed and removed, in addition, after being desorbed, sulfur dioxide can be regenerated and reutilized, consumption of adsorbent is greatly reduced, and at the same time, through the penetrating adsorption-desorption process of the adsorbent, industrial sulfur dioxide can be recycled conveniently.
Description
Technical field
The present invention relates to the purification techniques field of fuel combustion flue gas, especially a kind of flue gas desulfurization agent.
Background technology
Environmental conservation is paid close attention to by the whole world day by day, and greatly, acid rain has covered area about 40% to China SO2 discharge quantity, how to reduce and controls the pollution of SO2 and becomes the most urgent and important.Owing to China's energy resource structure is based on coal, most coals are used for burning, and that will reduce and control SO2 pollutes it is necessary to SO2 discharge capacity during managing reduction coal burning.But, due to the shortage of coal resources and non-renewable, sulphur coal is still the most abdicable valuable source.Sulphur coal can remove major part pyrite and ash through washing, is conducive to improving, stablizing ature of coal.But fine particle shape pyrite and organic sulfur are cannot to be removed by physical method, only can be only achieved and reduce, by (solid) sulfur de-in combustion process or flue gas removing, the purpose that SO2 discharges.Limestone---gypsum wet realizes flue gas desulfurization in coal-burning power plant's employing of China current more than 90%.Limestone is as the absorbent of wet process of FGD, process and effect important to flue gas desulfurization, in Wet Fgd By Limestone system, the dissolution velocity of limestone governs the whole system infiltration rate to SO2, and the important parameter weighing limestone solubility property is exactly the activity of limestone.But desulfurizing agent limestone used is intensive owing to the age not formed its sexology composition, mineralogical composition, Ore and structure characteristics do analyzes test, limestone desulfurizer is caused often to lack activity, desulfuration efficiency is low and degeneration amplitude is big, it is difficult to realize high-efficiency desulfurization.
Summary of the invention
The technical problem to be solved in the present invention is: overcome deficiency of the prior art, it is provided that the flue gas desulfurization agent that a kind of activity is high, desulfuration efficiency is high.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of flue gas desulfurization agent, its mass parts composition is as follows: N, N-lupetazin 3.8-8.8 part, fine silica powder 10-18 part, sodium carboxymethyl cellulose 6-12 part, barium aluminate 3.8-5.8 part, Desulfurization synergist 0.8-2.4 part, dodecyl sodium sulfate 0.8-2.4 part, water 50-60 part, the pH value of described flue gas desulfurization agent is 5-7.
Further, the size of described fine silica powder is 6-10 μm.
Further, the mass parts composition of described Desulfurization synergist is as follows: adipic acid 4-8 part, carbonyl diamine 3-6 part, iron sulfate 2.8-3.8 part, copper sulfate 1.2-3.6 part, calcium formate 5-10 part, formic acid 6-8 part.
Further, the mass parts composition of described Desulfurization synergist is as follows: adipic acid 6 parts, carbonyl diamine 4.5 parts, 3.2 parts of iron sulfate, 2.5 parts of copper sulfate, calcium formate 7.5 parts, 7 parts of formic acid.
Further, the pH value of described flue gas desulfurization agent is by a kind of control in phosphoric acid, boric acid, citric acid, nitric acid, sulphuric acid or hydrochloric acid.
Further, being also added with antioxidant in described flue gas desulfurization agent, described antioxidant selects anthraquinone disulfonic acid and the mixture of anthraquinone disulphonate, and its mol ratio is 1:1.
Further, being also added with corrosion inhibiter in described flue gas desulfurization agent, described corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.2-1.5.
Further, being also added with corrosion inhibiter in described flue gas desulfurization agent, described corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.3.
Further, its mass parts composition is as follows: N, N-lupetazin 6.2 parts, fine silica powder 14 parts, sodium carboxymethyl cellulose 9 parts, barium aluminate 4.8 parts, Desulfurization synergist 1.6 parts, dodecyl sodium sulfate 1.8 parts, 55 parts of water, the pH value of described flue gas desulfurization agent is 5.8.
Technical scheme is used to provide the benefit that:
The flue gas adsorption desulfurizer prepared in the present invention, is possible not only to efficient absorption scrubbing CO_2, and renewable after desorption reuses, this greatly reduces the consumption of adsorbent, meanwhile, absorption-desorption process is penetrated by this adsorbent, it is simple to industrial sulfur dioxide recovery utilizes.
Detailed description of the invention
Presently in connection with specific embodiment, the present invention is further detailed explanation.
Embodiment
1
A kind of flue gas desulfurization agent, its mass parts composition is as follows: N, N-lupetazin 3.8 parts, fine silica powder 10 parts, sodium carboxymethyl cellulose 6 parts, barium aluminate 3.8 parts, Desulfurization synergist 0.8 part, dodecyl sodium sulfate 0.8 part, 50 parts of water, be 5 with the pH value of phosphoric acid regulation flue gas desulfurization agent.
Wherein, the size of fine silica powder is 6 μm.
Wherein, the mass parts composition of Desulfurization synergist is as follows: adipic acid 4 parts, carbonyl diamine 3 parts, 2.8 parts of iron sulfate, 1.2 parts of copper sulfate, calcium formate 5 parts, 6 parts of formic acid.
Wherein, being also added with antioxidant in flue gas desulfurization agent, antioxidant selects anthraquinone disulfonic acid and the mixture of anthraquinone disulphonate, and its mol ratio is 1:1.
Wherein, being also added with corrosion inhibiter in flue gas desulfurization agent, corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.2.
Adsorbent stabilizes to more than 25.3mg/g adsorbent through more than 10 times adsorption-desorptions, the desorption rate that penetrates of sulfur dioxide.
Embodiment
2
A kind of flue gas desulfurization agent, its mass parts composition is as follows: N, N-lupetazin 4.8 parts, fine silica powder 12 parts, sodium carboxymethyl cellulose 8 parts, barium aluminate 4.2 parts, Desulfurization synergist 1.2 parts, dodecyl sodium sulfate 1.1 parts, 52 parts of water, be 6 with the pH value of boric acid regulation flue gas desulfurization agent.
Wherein, the size of fine silica powder is 8 μm.
Wherein, the mass parts composition of Desulfurization synergist is as follows: adipic acid 5 parts, carbonyl diamine 3.8 parts, 3 parts of iron sulfate, 1.5 parts of copper sulfate, calcium formate 6 parts, 6.5 parts of formic acid.
Wherein, being also added with antioxidant in flue gas desulfurization agent, antioxidant selects anthraquinone disulfonic acid and the mixture of anthraquinone disulphonate, and its mol ratio is 1:1.
Wherein, being also added with corrosion inhibiter in flue gas desulfurization agent, corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.3.
Adsorbent stabilizes to more than 25.5mg/g adsorbent through more than 10 times adsorption-desorptions, the desorption rate that penetrates of sulfur dioxide.
Embodiment
3
A kind of flue gas desulfurization agent, its mass parts composition is as follows: N, N-lupetazin 6.2 parts, fine silica powder 14 parts, sodium carboxymethyl cellulose 9 parts, barium aluminate 4.8 parts, Desulfurization synergist 1.6 parts, dodecyl sodium sulfate 1.8 parts, 55 parts of water, be 5.8 with citric acid by the pH value of flue gas desulfurization agent.
Wherein, the size of fine silica powder is 8 μm.
Wherein, the mass parts composition of Desulfurization synergist is as follows: adipic acid 6 parts, carbonyl diamine 4.5 parts, 3.2 parts of iron sulfate, 2.5 parts of copper sulfate, calcium formate 7.5 parts, 7 parts of formic acid.
Wherein, being also added with antioxidant in flue gas desulfurization agent, antioxidant selects anthraquinone disulfonic acid and the mixture of anthraquinone disulphonate, and its mol ratio is 1:1.
Wherein, being also added with corrosion inhibiter in flue gas desulfurization agent, corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.3.
Adsorbent stabilizes to more than 26.2mg/g adsorbent through more than 10 times adsorption-desorptions, the desorption rate that penetrates of sulfur dioxide.
Embodiment
4
A kind of flue gas desulfurization agent, its mass parts composition is as follows: N, N-lupetazin 6.8 parts, fine silica powder 16 parts, sodium carboxymethyl cellulose 10 parts, barium aluminate 4.8 parts, Desulfurization synergist 2 parts, dodecyl sodium sulfate 2 parts, 55 parts of water, be 6.2 with the pH value of nitric acid regulation flue gas desulfurization agent.
Wherein, the size of fine silica powder is 8 μm.
Wherein, the mass parts composition of Desulfurization synergist is as follows: adipic acid 7 parts, carbonyl diamine 5 parts, 2.5 parts of iron sulfate, 3.2 parts of copper sulfate, calcium formate 8 parts, 7.5 parts of formic acid.
Wherein, being also added with antioxidant in flue gas desulfurization agent, antioxidant selects anthraquinone disulfonic acid and the mixture of anthraquinone disulphonate, and its mol ratio is 1:1.
Wherein, being also added with corrosion inhibiter in flue gas desulfurization agent, corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.4.
Adsorbent stabilizes to more than 24.8mg/g adsorbent through more than 10 times adsorption-desorptions, the desorption rate that penetrates of sulfur dioxide.
Embodiment
5
A kind of flue gas desulfurization agent, its mass parts composition is as follows: N, N-lupetazin 8.8 parts, fine silica powder 18 parts, sodium carboxymethyl cellulose 12 parts, barium aluminate 5.8 parts, Desulfurization synergist 2.4 parts, dodecyl sodium sulfate 2.4 parts, 60 parts of water, the pH value regulating flue gas desulfurization agent with sulphuric acid or hydrochloric acid is 7.
Wherein, the size of fine silica powder is 10 μm.
Wherein, the mass parts composition of Desulfurization synergist is as follows: adipic acid 8 parts, carbonyl diamine 6 parts, 3.8 parts of iron sulfate, 3.6 parts of copper sulfate, calcium formate 10 parts, 8 parts of formic acid.
Wherein, being also added with antioxidant in flue gas desulfurization agent, antioxidant selects anthraquinone disulfonic acid and the mixture of anthraquinone disulphonate, and its mol ratio is 1:1.
Wherein, being also added with corrosion inhibiter in flue gas desulfurization agent, corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.5.
Adsorbent stabilizes to more than 25.5mg/g adsorbent through more than 10 times adsorption-desorptions, the desorption rate that penetrates of sulfur dioxide.
Embodiment 3 is preferred implementation.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff can carry out various change and amendment completely in the range of without departing from this invention technological thought.The content that the technical scope of this invention is not limited in description, it is necessary to determine its technical scope according to right.
Claims (9)
1. a flue gas desulfurization agent, it is characterized in that, its mass parts composition is as follows: N, N-lupetazin 3.8-8.8 part, fine silica powder 10-18 part, sodium carboxymethyl cellulose 6-12 part, barium aluminate 3.8-5.8 part, Desulfurization synergist 0.8-2.4 part, dodecyl sodium sulfate 0.8-2.4 part, water 50-60 part, the pH value of described flue gas desulfurization agent is 5-7.
A kind of flue gas desulfurization agent the most according to claim 1, it is characterised in that: the size of described fine silica powder is 6-10 μm.
A kind of flue gas desulfurization agent the most according to claim 1, it is characterized in that, the mass parts composition of described Desulfurization synergist is as follows: adipic acid 4-8 part, carbonyl diamine 3-6 part, iron sulfate 2.8-3.8 part, copper sulfate 1.2-3.6 part, calcium formate 5-10 part, formic acid 6-8 part.
A kind of flue gas desulfurization agent the most according to claim 3, it is characterised in that the mass parts composition of described Desulfurization synergist is as follows: adipic acid 6 parts, carbonyl diamine 4.5 parts, 3.2 parts of iron sulfate, 2.5 parts of copper sulfate, calcium formate 7.5 parts, 7 parts of formic acid.
A kind of flue gas desulfurization agent the most according to claim 1, it is characterised in that the pH value of described flue gas desulfurization agent is by a kind of control in phosphoric acid, boric acid, citric acid, nitric acid, sulphuric acid or hydrochloric acid.
A kind of flue gas desulfurization agent the most according to claim 1, it is characterised in that being also added with antioxidant in described flue gas desulfurization agent, described antioxidant selects anthraquinone disulfonic acid and the mixture of anthraquinone disulphonate, and its mol ratio is 1:1.
A kind of flue gas desulfurization agent the most according to claim 1, it is characterised in that being also added with corrosion inhibiter in described flue gas desulfurization agent, described corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.2-1.5.
A kind of flue gas desulfurization agent the most according to claim 7, it is characterised in that being also added with corrosion inhibiter in described flue gas desulfurization agent, described corrosion inhibiter selects vanadic anhydride and the mixture of antimony potassium tartrate, and its mass ratio is 1:1.3.
A kind of flue gas desulfurization agent the most according to claim 1, it is characterized in that: its mass parts composition is as follows: N, N-lupetazin 6.2 parts, fine silica powder 14 parts, sodium carboxymethyl cellulose 9 parts, barium aluminate 4.8 parts, Desulfurization synergist 1.6 parts, dodecyl sodium sulfate 1.8 parts, 55 parts of water, the pH value of described flue gas desulfurization agent is 5.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610347145.8A CN105854511A (en) | 2016-05-24 | 2016-05-24 | Exhaust gas sulphur removal agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610347145.8A CN105854511A (en) | 2016-05-24 | 2016-05-24 | Exhaust gas sulphur removal agent |
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| CN105854511A true CN105854511A (en) | 2016-08-17 |
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| CN201610347145.8A Pending CN105854511A (en) | 2016-05-24 | 2016-05-24 | Exhaust gas sulphur removal agent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378099A (en) * | 2016-12-02 | 2017-02-08 | 郑州源冉生物技术有限公司 | Modified desulfuration adsorbent, and preparation method and application thereof |
| CN106693883A (en) * | 2016-12-02 | 2017-05-24 | 郑州源冉生物技术有限公司 | Gasoline desulfurization adsorbent, and preparation method and application thereof |
| CN107261759A (en) * | 2017-07-03 | 2017-10-20 | 安徽国能亿盛环保科技有限公司 | A kind of desulfurizing agent |
| CN116983812A (en) * | 2023-09-26 | 2023-11-03 | 中朗德水务环境科技有限公司 | Wet desulfurizing agent for ferrous metallurgical flue gas, preparation method and application |
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| CN106693883A (en) * | 2016-12-02 | 2017-05-24 | 郑州源冉生物技术有限公司 | Gasoline desulfurization adsorbent, and preparation method and application thereof |
| CN107261759A (en) * | 2017-07-03 | 2017-10-20 | 安徽国能亿盛环保科技有限公司 | A kind of desulfurizing agent |
| CN116983812A (en) * | 2023-09-26 | 2023-11-03 | 中朗德水务环境科技有限公司 | Wet desulfurizing agent for ferrous metallurgical flue gas, preparation method and application |
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