CN113058410A - Desulfurizing agent for glass kiln flue gas and preparation method thereof - Google Patents
Desulfurizing agent for glass kiln flue gas and preparation method thereof Download PDFInfo
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- CN113058410A CN113058410A CN202110295188.7A CN202110295188A CN113058410A CN 113058410 A CN113058410 A CN 113058410A CN 202110295188 A CN202110295188 A CN 202110295188A CN 113058410 A CN113058410 A CN 113058410A
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- flue gas
- agent
- glass kiln
- desulfurizing agent
- desulfurization
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 76
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003546 flue gas Substances 0.000 title claims abstract description 49
- 230000003009 desulfurizing effect Effects 0.000 title claims abstract description 47
- 239000011521 glass Substances 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title description 3
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 34
- 230000023556 desulfurization Effects 0.000 claims abstract description 34
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 238000005260 corrosion Methods 0.000 claims abstract description 12
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 239000003112 inhibitor Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 6
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 6
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- 239000011734 sodium Substances 0.000 claims description 7
- 229910052708 sodium Inorganic materials 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 6
- QNVRIHYSUZMSGM-UHFFFAOYSA-N hexan-2-ol Chemical compound CCCCC(C)O QNVRIHYSUZMSGM-UHFFFAOYSA-N 0.000 claims description 6
- -1 sodium alkyl benzene Chemical class 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical group CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 claims description 4
- GGSUCNLOZRCGPQ-UHFFFAOYSA-N diethylaniline Chemical compound CCN(CC)C1=CC=CC=C1 GGSUCNLOZRCGPQ-UHFFFAOYSA-N 0.000 claims description 4
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 4
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 3
- 229940077388 benzenesulfonate Drugs 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical group [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052815 sulfur oxide Inorganic materials 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 25
- 239000011593 sulfur Substances 0.000 abstract description 20
- 229910052717 sulfur Inorganic materials 0.000 abstract description 20
- 239000000126 substance Substances 0.000 abstract description 6
- 238000012546 transfer Methods 0.000 abstract description 5
- 239000012190 activator Substances 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000956 nontoxicity Toxicity 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 239000002351 wastewater Substances 0.000 abstract description 4
- 239000005864 Sulphur Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000003517 fume Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 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
- B01D53/34—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
- 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
- B01D53/48—Sulfur compounds
- B01D53/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a desulfurizing agent for glass kiln flue gas, which comprises N-methyldiethanolamine, calcium hydroxide, a stabilizer, a corrosion inhibitor, a defoaming agent, an accelerant, an activator, a dispersing agent and water, has no toxicity, can be widely applied in the fields of flue gas desulfurization and the like, has low surface tension, ensures that the flue gas is easy to form small bubbles, effectively increases the specific surface area of gas and liquid, improves the mass transfer rate, improves the desulfurization efficiency, effectively reduces sulfur-containing substances discharged into the air, reduces the pollution to the air, does not generate new pollutants, and has no trouble in the treatment of waste slag and waste water.
Description
Technical Field
The invention relates to the field of flue gas desulfurization, in particular to a desulfurizing agent for glass kiln flue gas and a method thereof.
Background
The glass kiln is a melting device used for heating glass at high temperature in the glass manufacturing industry, and because the price of natural gas or petroleum gas is too high, the cost for burning producer gas of the glass kiln with the same size is much lower than that for burning natural gas or petroleum gas, so that the number of the domestic glass kilns taking the producer gas as fuel is very large at present. However, the harmful substance is more in the flue gas that the kiln that takes producer gas as the raw materials produced, environmental pollution is serious, especially sulfur dioxide that contains in the flue gas, sulfur trioxide etc. contain the sulphur composition, if directly discharge into the atmosphere, can cause natural harm such as acid rain, consequently need carry out the sulphur removal processing to it before the gas emission of glass kiln as in, the absorption tower can generally be used in current sulphur removal processing, thereby realize the gas-liquid looks contact realization desulfurization purpose of flue gas and desulfurizing agent in the absorption tower, but the most solution concentration of current desulfurizing agent is on the low side, easy foaming, the sulphur removal efficiency is lower, lead to the sulphur removal to the flue gas not thorough.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a sulfur removal agent for glass kiln flue gas, which solves the technical problem that the sulfur-containing substances in the glass kiln flue gas are not completely absorbed in the prior art.
The invention solves the technical problems by the following technical scheme, and the desulfurization agent for the glass kiln flue gas comprises the following raw materials in parts by weight per 100 parts by weight of the desulfurization agent for the glass kiln flue gas:
by adopting the technical scheme, the prepared desulfurizing agent has no toxicity, can be widely applied in the fields of flue gas desulfurization and the like, has low surface tension, enables flue gas to easily form small bubbles, effectively increases the specific surface area of gas and liquid, improves the mass transfer rate, improves the desulfurization efficiency, effectively reduces sulfur-containing substances discharged into the air, reduces the pollution to the air, does not generate new pollutants, and has no trouble in the treatment of waste slag and waste water.
Preferably, the stabilizer is sodium alkyl benzene sulfonate.
By adopting the technical scheme, the sodium alkyl benzene sulfonate is used as the stabilizer, so that the desulfurizing agent can be kept in an emulsified state for a long time, and the stability of the desulfurizing agent is improved.
Preferably, the corrosion inhibitor is sodium chromate.
By adopting the technical scheme, the sodium chromate can slow down the corrosion speed of the desulfurizing agent to the absorption tower and prolong the service life of the absorption tower.
Preferably, the defoamer is a polydimethylsiloxane defoamer.
By adopting the technical scheme, the polydimethylsiloxane defoaming agent can reduce the surface tension of the desulfurizing agent, so that small bubbles are easily formed in flue gas, the gas-liquid specific surface area is effectively increased, the mass transfer rate is increased, and the desulfurization efficiency is improved.
Preferably, the accelerator is N, N-dimethylaniline or N, N-diethylaniline.
By adopting the technical scheme, the accelerant can improve the absorption speed of the sulfur removal agent on sulfur-containing oxides in the flue gas, and improve the sulfur removal rate of the sulfur removal agent.
Preferably, the activating agent is prepared from polyoxyethylene ether and sodium sulfonate according to the weight ratio of 1: 1.
By adopting the technical scheme, the polyoxyethylene ether is a nonionic activator, the sodium sulfonate is an anionic activator with strong surface activity, and the polyoxyethylene ether and the sodium sulfonate can be compounded, so that the integral dispersity of the sulfur remover is increased, the viscosity of the sulfur remover is reduced, the sulfur remover can be atomized into smaller water drops during spraying, and the mixing degree of the sulfur remover and flue gas is improved.
Preferably, the dispersant is one of sodium dodecyl sulfate or methyl amyl alcohol.
By adopting the technical scheme, the sodium dodecyl sulfate or the methyl amyl alcohol can uniformly disperse all components in the sulfur remover to form stable solution.
The invention also discloses a preparation method of the desulfurizing agent for glass kiln smoke,
s1, putting the N-methyldiethanolamine and the calcium hydroxide in corresponding parts into a mixing tank, adding corresponding water, and mixing and stirring for 10-15min in the mixing tank;
s2, adding proper amount of stabilizer, promoter and dispersant;
and S3, continuously adding a proper amount of corrosion inhibitor, defoaming agent and activating agent, and circularly stirring for 20-30min by using a stirring tank to obtain the desulfurizing agent for the glass kiln smoke.
The invention also discloses a using method of the desulfurizing agent for the glass kiln flue gas, the prepared desulfurizing agent is sprayed into the absorption tower, the desulfurizing agent is sprayed in liquid drops with the diameter of 1-5 microns, the desulfurizing agent is fully contacted and mixed with the flue gas, and the flue gas is washed, so that sulfur oxides in the flue gas are absorbed by the desulfurizing agent.
Compared with the prior art, the desulfurizing agent has no toxicity, can be widely applied in the fields of flue gas desulfurization and the like, has low surface tension, ensures that flue gas easily forms small bubbles, effectively increases the specific surface area of gas and liquid, improves the mass transfer rate, improves the desulfurization efficiency, effectively reduces sulfur-containing substances discharged into the air, reduces the pollution to the air, does not generate new pollutants, and has no trouble in treating waste slag and waste water.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
Example 1, a desulfurizing agent for glass kiln flue gas, N-methyldiethanolamine, calcium hydroxide, a stabilizer, a corrosion inhibitor, a defoaming agent, an accelerator, an activator, a dispersant and water, wherein the weight of each raw material of the desulfurizing agent is shown in table one per 100 parts by weight of the raw materials.
Example 2, a glass kiln smoke desulfurizing agent, different from example 1 in that the raw materials of the desulfurizing agent comprise the components and the weight shown in the table I.
Example 3, a glass kiln smoke desulfurizing agent, different from example 1 in that the raw materials of the desulfurizing agent comprise the components and the weight shown in the table one.
Example 4, a glass kiln smoke desulfurizing agent, different from example 1 in that the raw materials of the desulfurizing agent comprise the components and the weight shown in the table I.
Example 5, a glass kiln flue gas desulfurization agent, and compared with example 1, the difference is that the raw materials of the composition and weight are shown in table one.
Comparative example 1, a desulfurizing agent for glass kiln fumes, which is different from example 1 in that the components and the weight of the raw materials are shown in table one.
Comparative example 2, a desulfurizing agent for glass kiln fumes, which is different from example 1 in that the components and the weight of the raw materials are shown in table one.
TABLE-examples composition and ratio of sulfur removal agent per 100 weight parts
The performance of the sulfur removing agents prepared in the above examples and comparative examples was tested by the following method,
and (3) desulfurization effect: comparing the contents of the sulfur-containing compounds in the flue gas before and after desulfurization, and determining the desulfurization effect;
desulfurization speed: the time required to complete 95% of the desulfurization of the flue gas was measured.
Corrosion property: detecting the corrosion degree of the desulfurizer on the inner wall of the absorption tower after 30 days;
stability: and detecting the change condition of the desulfurizer generated after standing and storing for 30 days.
The results of the performance tests of the sulfur removal agents prepared in the above examples are shown in table 2.
TABLE two or more Performance test results of the sulfur removing agent prepared in each of the examples and comparative examples
From the test results, the content of N-methyldiethanolamine and calcium hydroxide in the desulfurizing agent can improve the total desulfurizing amount of the desulfurizing agent, the accelerating agent, the defoaming agent and the activating agent can improve the desulfurizing efficiency of the desulfurizing agent, the corrosion inhibitor can slow down the corrosion speed of the desulfurizing agent on the absorption tower, and the stabilizing agent and the dispersing agent can improve the long-term storage capacity of the desulfurizing agent.
The desulfurizing agent has no toxicity, can be widely applied in the fields of flue gas desulfurization and the like, has low surface tension, ensures that flue gas easily forms small bubbles, effectively increases the specific surface area of gas and liquid, improves the mass transfer rate, improves the desulfurization efficiency, effectively reduces sulfur-containing substances discharged into the air, reduces the pollution to the air, does not generate new pollutants, and has no trouble in treating waste slag and waste water.
Example 6, a method of preparing a desulfurization agent for glass kiln fumes:
s1, putting the N-methyldiethanolamine and the calcium hydroxide in corresponding parts into a mixing tank, adding corresponding water, and mixing and stirring for 10-15min in the mixing tank;
s2, adding proper amount of stabilizer, promoter and dispersant;
and S3, continuously adding a proper amount of corrosion inhibitor, defoaming agent and activating agent, and circularly stirring for 20-30min by using a stirring tank to obtain the desulfurizing agent for the glass kiln smoke.
Example 7, a method for using a desulfurization agent for glass kiln flue gas, comprising injecting the prepared desulfurization agent into an absorption tower, injecting the desulfurization agent as droplets with a diameter of 1-5 μm, sufficiently contacting and mixing the desulfurization agent with the flue gas, and washing the flue gas, so that sulfur oxides in the flue gas are absorbed by the desulfurization agent, and thus, the desulfurization agent can be sprayed to be sufficiently mixed with the glass kiln flue gas, thereby better exerting the desulfurization effect of the desulfurization agent.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The desulfurizing agent for the glass kiln flue gas is characterized in that every 100 parts by weight of the desulfurizing agent for the glass kiln flue gas comprises the following raw materials in parts by weight:
2. the desulfurization agent for glass kiln flue gas as claimed in claim 1, wherein: the stabilizer is sodium alkyl benzene sulfonate.
3. The desulfurization agent for glass kiln flue gas as claimed in claim 1, wherein: the corrosion inhibitor is sodium chromate.
4. The desulfurization agent for glass kiln flue gas as claimed in claim 1, wherein: the defoaming agent is a polydimethylsiloxane defoaming agent.
5. The desulfurization agent for glass kiln flue gas as claimed in claim 1, wherein: the accelerant is N, N-dimethylaniline or N, N-diethylaniline.
6. The desulfurization agent for glass kiln flue gas as claimed in claim 1, wherein: the activating agent is prepared from polyoxyethylene ether and sodium sulfonate according to the weight ratio of 1: 1.
7. The desulfurization agent for glass kiln flue gas as claimed in claim 1, wherein: the dispersing agent is one of sodium dodecyl sulfate or methyl amyl alcohol.
8. The method for preparing the desulfurizing agent for the glass kiln gas as defined in claim 1, wherein:
s1, putting the N-methyldiethanolamine and the calcium hydroxide in corresponding parts into a mixing tank, adding corresponding water, and mixing and stirring for 10-15min in the mixing tank;
s2, adding proper amount of stabilizer, promoter and dispersant;
and S3, continuously adding a proper amount of corrosion inhibitor, defoaming agent and activating agent, and circularly stirring for 20-30min by using a stirring tank to obtain the desulfurizing agent for the glass kiln smoke.
9. The use method of the desulfurizing agent for glass kiln flue gas according to claim 1, characterized in that: and spraying the prepared desulfurizing agent into the absorption tower, spraying the desulfurizing agent in the form of liquid drops with the diameter of 1-5 microns, fully contacting and mixing the desulfurizing agent with the flue gas, and washing the flue gas to ensure that sulfur oxides in the flue gas are absorbed by the desulfurizing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295188.7A CN113058410A (en) | 2021-03-19 | 2021-03-19 | Desulfurizing agent for glass kiln flue gas and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110295188.7A CN113058410A (en) | 2021-03-19 | 2021-03-19 | Desulfurizing agent for glass kiln flue gas and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN113058410A true CN113058410A (en) | 2021-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110295188.7A Pending CN113058410A (en) | 2021-03-19 | 2021-03-19 | Desulfurizing agent for glass kiln flue gas and preparation method thereof |
Country Status (1)
| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977963A (en) * | 2012-12-11 | 2013-03-20 | 江苏汉光实业股份有限公司 | Method for preparing selective desulfurizing agent |
| WO2015085880A1 (en) * | 2013-12-12 | 2015-06-18 | 北京博源恒升高科技有限公司 | Method for removing sox in gas by using ethylene glycol complex solution |
| CN106268173A (en) * | 2016-08-29 | 2017-01-04 | 合肥合意环保科技工程有限公司 | A kind of method of flue gas desulfurization |
| CN107469589A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | Laminated desulfurizer and preparation method thereof |
-
2021
- 2021-03-19 CN CN202110295188.7A patent/CN113058410A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977963A (en) * | 2012-12-11 | 2013-03-20 | 江苏汉光实业股份有限公司 | Method for preparing selective desulfurizing agent |
| WO2015085880A1 (en) * | 2013-12-12 | 2015-06-18 | 北京博源恒升高科技有限公司 | Method for removing sox in gas by using ethylene glycol complex solution |
| CN107469589A (en) * | 2016-06-07 | 2017-12-15 | 中国石油化工股份有限公司 | Laminated desulfurizer and preparation method thereof |
| CN106268173A (en) * | 2016-08-29 | 2017-01-04 | 合肥合意环保科技工程有限公司 | A kind of method of flue gas desulfurization |
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| Title |
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| 勘察设计注册工程师石油天然气专业管理委员会: "《勘察设计注册石油天然气工程师资格考试专业考试复习指南上册》", 30 June 2006, 中国石油大学出版社, pages: 263 - 862 * |
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