CN106378099A - Modified desulfuration adsorbent, and preparation method and application thereof - Google Patents
Modified desulfuration adsorbent, and preparation method and application thereof Download PDFInfo
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- CN106378099A CN106378099A CN201611093234.0A CN201611093234A CN106378099A CN 106378099 A CN106378099 A CN 106378099A CN 201611093234 A CN201611093234 A CN 201611093234A CN 106378099 A CN106378099 A CN 106378099A
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- desulfuration adsorbent
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- dimethylethanolamine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/223—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0218—Compounds of Cr, Mo, W
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G25/00—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents
- C10G25/003—Specific sorbent material, not covered by C10G25/02 or C10G25/03
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
- C10G2300/202—Heteroatoms content, i.e. S, N, O, P
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/02—Gasoline
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a modified desulfuration adsorbent, and a preparation method and application thereof. The modified desulfuration adsorbent is prepared from the following raw materials in parts by weight: 33 to 41 parts of goeschwitzite, 1 to 5 parts of barium acetate, 7 to 15 parts of dimethyletnanolamine and 11 to 19 parts of tungstenic acid. The goeschwitzite is used as raw materials; after the goeschwitzite and the barium acetate are mixed and ground, the tungstenic acid and the dimethyletnanolamine are used for treatment; the prepared modified desulfuration adsorbent has great sulfur capacity, good sulfur selectivity and high desulfuration depth; the sulfur can be removed to 1ppmw; in addition, the service life is long; the environment-friendly effect is achieved; no secondary pollution exists. The preparation process is simple; the operation is easy; the control is easy; the performance is stable; the production cost is low; the method is suitable for industrial production. When the modified desulfuration adsorbent is used for desulfuration on gasoline, the process operation conditions are mild; the operation can be performed at normal pressure and low temperature, so that the energy consumption is reduced; the operation cost is reduced.
Description
Technical field
The present invention relates to sulfur removal material technical field, specifically a kind of modification desulfuration adsorbent and preparation method thereof and should
With.
Background technology
The ultra-deep desulfurization of gasoline has become a major issue urgently to be resolved hurrily in world wide.Combustion of sulfur in gasoline
Generating oxysulfide (SOx) is one of main pollutant in air, and it is discharged in the air and can form acid rain, destroys ecological ring
Border.In addition, sulfur oxide also can corrosion and damage engine components, make motor-driven vehicle gas disposal catalyst poisoning, reduce it and urge
Change activity, increase the discharge of particulate pollutant, increase the pollution of urban environment.Therefore, limiting sulfur content is motor petrol standard
In an important indicator, be also evaluate gasoline cleaning degree key factor.External gasoline blend component only has 34% in constituting
It is catalytic cracking (FCC) gasoline, the blend component of the product oil of China has 80% (volume fraction) to be derived from FCC gasoline, and gasoline
From FCC gasoline, therefore, the sulfur content being effectively reduced using which kind of technique in FCC gasoline becomes China to the sulphur source of middle 85-95%
The matter of utmost importance that quality of gasoline upgrading faces.
Traditional gasoline desulfurization technology can be divided into hydrodesulfurization and two kinds of desulfurization of absorption.Hydrodesulfurization need high temperature, high pressure,
Substantial amounts of hydrogen wastage, also can cause the significantly loss of octane number with the saturation of olefin(e) compound.Absorption method gasoline desulfurization
There is Low investment, lower operational cost.But it is not enough below desulfurizing agent generally existing of the prior art：1st, desulfurization depth
Not it is difficult to take off sulphur to below 5ppmw；2nd, adsorbent specific surface area is relatively low, and absorption Sulfur capacity is relatively limited；3rd, sweetening process
Operating condition is harsh and energy consumption is big, and operating cost is higher；4th, sweetening process is unfriendly to environment；5th, the selectivity of desulfurizing agent
Low, the life-span is shorter.Additionally, the material such as the more employing activated carbon of existing desulfurizing agent, ZSM-5, seldom adopt illitic related letter
Breath.
Content of the invention
It is an object of the invention to provide a kind of modification desulfuration adsorbent and its preparation method and application, to solve the above-mentioned back of the body
The problem proposing in scape technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of modification desulfuration adsorbent, is made up of the following raw material according to weight portion：Illite 33-41 part, barium acetate 1-5
Part, dimethylethanolamine 7-15 part, wolframic acid 11-19 part.
As the further scheme of the present invention：Described modification desulfuration adsorbent, is made up of the following raw material according to weight portion：
Illite 35-39 part, barium acetate 2-4 part, dimethylethanolamine 9-13 part, wolframic acid 13-17 part.
As the further scheme of the present invention：Described modification desulfuration adsorbent, is made up of the following raw material according to weight portion：
37 parts of illite, 3 parts of barium acetate, 11 parts of dimethylethanolamine, 15 parts of wolframic acid.
The present invention another object is that the preparation method providing a kind of modification desulfuration adsorbent, comprises the steps of：
1) deionized water of 6.1 times of wolframic acid and its quality is mixed, prepared tungstic acid；By dimethylethanolamine and its matter
The absolute ethyl alcohol mixing of 2.7 times of amount, prepared dimethylethanolaminesolution solution；
2) by illite and barium acetate mixed grinding, cross 120 mesh sieves, be subsequently adding tungstic acid, be warming up to 72 DEG C and
Seal stir process 2.1h at a temperature of being somebody's turn to do, be subsequently adding dimethylethanolaminesolution solution, be warming up to 89 DEG C and heat at such a temperature
Stir process 15min, then ultrasonically treated 33min at such a temperature, ultrasonic power is 900W, then at a temperature of 99-101 DEG C
Stir to dry, in 450 DEG C of Muffle furnace, then calcine 4.3h obtain final product modified desulfuration adsorbent.
The present invention another object is that offer described modification desulfuration adsorbent application in the oil.
Compared with prior art, the invention has the beneficial effects as follows：
The present invention with illite as raw material, after barium acetate mixed grinding, then the process through pertungstic acid, dimethylethanolamine
Deng the modified desulfuration adsorbent being obtained, Sulfur capacity greatly, desulfurization depth good to the selectivity of sulphur high, sulphur can be taken off to 1ppmw；In addition
Long service life, non-secondary pollution more friendly to environment, renewable recycling.The modified desulfuration adsorbent of the present invention exists
Gasoline is carried out with process condition during desulfurization gently, to carry out under normal pressure and lower temperature, saving energy consumption, reduce and operate into
This.Preparation process is simple of the present invention, easy to operate, easy to control, stable performance, low production cost, it is suitable to industrialized production.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of modification desulfuration adsorbent, it is made up of the following raw material according to weight portion：Illite 33
Part, 1 part of barium acetate, 7 parts of dimethylethanolamine, 11 parts of wolframic acid.
6.1 times of deionized water of wolframic acid and its quality is mixed, prepared tungstic acid；By dimethylethanolamine and its quality
2.7 times of absolute ethyl alcohol mixing, prepared dimethylethanolaminesolution solution.By illite and barium acetate mixed grinding, cross 120 mesh sieves,
It is subsequently adding tungstic acid, be warming up to 72 DEG C and seal stir process 2.1h at such a temperature, be subsequently adding dimethylethanolamine
Solution, be warming up to 89 DEG C and at such a temperature heating stirring process 15min, then ultrasonically treated 33min at such a temperature, ultrasonic
Power is 900W, then stirs at a temperature of 99 DEG C to dry, then calcines 4.3h in 450 DEG C of Muffle furnace and obtains final product modified desulfurization
Adsorbent.
Embodiment 2
In the embodiment of the present invention, a kind of modification desulfuration adsorbent, it is made up of the following raw material according to weight portion：Illite 41
Part, 5 parts of barium acetate, 15 parts of dimethylethanolamine, 19 parts of wolframic acid.
6.1 times of deionized water of wolframic acid and its quality is mixed, prepared tungstic acid；By dimethylethanolamine and its quality
2.7 times of absolute ethyl alcohol mixing, prepared dimethylethanolaminesolution solution.By illite and barium acetate mixed grinding, cross 120 mesh sieves,
It is subsequently adding tungstic acid, be warming up to 72 DEG C and seal stir process 2.1h at such a temperature, be subsequently adding dimethylethanolamine
Solution, be warming up to 89 DEG C and at such a temperature heating stirring process 15min, then ultrasonically treated 33min at such a temperature, ultrasonic
Power is 900W, then stirs at a temperature of 101 DEG C to dry, then calcines 4.3h in 450 DEG C of Muffle furnace and obtains final product modified taking off
Sulfur absorbent.
Embodiment 3
In the embodiment of the present invention, a kind of modification desulfuration adsorbent, it is made up of the following raw material according to weight portion：Illite 35
Part, 2 parts of barium acetate, 9 parts of dimethylethanolamine, 13 parts of wolframic acid.
6.1 times of deionized water of wolframic acid and its quality is mixed, prepared tungstic acid；By dimethylethanolamine and its quality
2.7 times of absolute ethyl alcohol mixing, prepared dimethylethanolaminesolution solution.By illite and barium acetate mixed grinding, cross 120 mesh sieves,
It is subsequently adding tungstic acid, be warming up to 72 DEG C and seal stir process 2.1h at such a temperature, be subsequently adding dimethylethanolamine
Solution, be warming up to 89 DEG C and at such a temperature heating stirring process 15min, then ultrasonically treated 33min at such a temperature, ultrasonic
Power is 900W, then stirs at a temperature of 100 DEG C to dry, then calcines 4.3h in 450 DEG C of Muffle furnace and obtains final product modified taking off
Sulfur absorbent.
Embodiment 4
In the embodiment of the present invention, a kind of modification desulfuration adsorbent, it is made up of the following raw material according to weight portion：Illite 39
Part, 4 parts of barium acetate, 13 parts of dimethylethanolamine, 17 parts of wolframic acid.
6.1 times of deionized water of wolframic acid and its quality is mixed, prepared tungstic acid；By dimethylethanolamine and its quality
2.7 times of absolute ethyl alcohol mixing, prepared dimethylethanolaminesolution solution.By illite and barium acetate mixed grinding, cross 120 mesh sieves,
It is subsequently adding tungstic acid, be warming up to 72 DEG C and seal stir process 2.1h at such a temperature, be subsequently adding dimethylethanolamine
Solution, be warming up to 89 DEG C and at such a temperature heating stirring process 15min, then ultrasonically treated 33min at such a temperature, ultrasonic
Power is 900W, then stirs at a temperature of 100 DEG C to dry, then calcines 4.3h in 450 DEG C of Muffle furnace and obtains final product modified taking off
Sulfur absorbent.
Embodiment 5
In the embodiment of the present invention, a kind of modification desulfuration adsorbent, it is made up of the following raw material according to weight portion：Illite 37
Part, 3 parts of barium acetate, 11 parts of dimethylethanolamine, 15 parts of wolframic acid.
6.1 times of deionized water of wolframic acid and its quality is mixed, prepared tungstic acid；By dimethylethanolamine and its quality
2.7 times of absolute ethyl alcohol mixing, prepared dimethylethanolaminesolution solution.By illite and barium acetate mixed grinding, cross 120 mesh sieves,
It is subsequently adding tungstic acid, be warming up to 72 DEG C and seal stir process 2.1h at such a temperature, be subsequently adding dimethylethanolamine
Solution, be warming up to 89 DEG C and at such a temperature heating stirring process 15min, then ultrasonically treated 33min at such a temperature, ultrasonic
Power is 900W, then stirs at a temperature of 100 DEG C to dry, then calcines 4.3h in 450 DEG C of Muffle furnace and obtains final product modified taking off
Sulfur absorbent.
Comparative example 1
In addition to not containing barium acetate, its material content and preparation process are consistent with embodiment 5.
Comparative example 2
In addition to not containing dimethylethanolamine, its material content and preparation process are consistent with embodiment 5.
Comparative example 3
In addition to not containing barium acetate and dimethylethanolamine, its material content and preparation process are consistent with embodiment 5.
Embodiment 6
Detection embodiment of the present invention 1-5 and comparative example 1-3 be obtained adsorbent specific surface area, as shown in table 1.Simultaneously with
The illite not making any process is blank.
Table 1
| Total specific surface area SBET/ (m2·g-1) | |
| Embodiment 1 | 190.4 |
| Embodiment 2 | 191.7 |
| Embodiment 3 | 238.7 |
| Embodiment 4 | 250.5 |
| Embodiment 5 | 269.2 |
| Comparative example 1 | 33.7 |
| Comparative example 2 | 93.4 |
| Comparative example 3 | 25.1 |
| Untreated illite | 7.3 |
Embodiment 7
Respectively the modified desulfuration adsorbent of above-described embodiment 5 and the preparation of comparative example 1-3 is filled in fixed bed reactors,
With Jinan catalytically cracked gasoline as raw material (its composition is shown in Table 2), it is under 30 DEG C and condition of normal pressure in temperature, with 0.5mL/min
Flow velocity implement the absorption desulfurization test of continuous 10 hours respectively, absorption Desulfurization Test Results are shown in Table 3, and wherein Sulfur capacity is that 1g is modified
Total sulfur content in gasoline stocks is down to the total sulfur content (in gram) being removed during below 10ppmw, such as sulphur by desulfuration adsorbent
When holding for 0.525, represent 1g modification desulfuration adsorbent and the total sulfur content in gasoline stocks is down to during below 10ppmw is removed
Total sulfur content be 0.525g.
The composition of table 2 feed gasoline
The absorption Desulfurization Test Results of the modified desulfuration adsorbent of table 3
As seen from the results in Table 3：
1st, the modified desulfuration adsorbent desulfurization depth of present invention preparation is high, can be by raw material vapour in absorption desulfurization 5-6 hour
Sulphur in oil is down to below 1ppmw, and service life is up to 10h；Additionally, its modified desulfuration adsorbent Sulfur capacity is big, special
It is not that the selectivity to thiophene and derivatives is good.
When the 2nd, not containing dimethylethanolamine, the service life of modified desulfuration adsorbent greatly shortens；Do not contain barium acetate
When, modified desulfuration adsorbent is low to the selectivity of sulphur；And when not containing barium acetate and dimethylethanolamine, modified desulfurization absorption
The Sulfur capacity of agent is less, and service life is short.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of specification
Using specification as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (5)
1. a kind of modification desulfuration adsorbent is it is characterised in that be made up of the following raw material according to weight portion：Illite 33-41 part,
Barium acetate 1-5 part, dimethylethanolamine 7-15 part, wolframic acid 11-19 part.
2. modification desulfuration adsorbent according to claim 1 is it is characterised in that by the following raw material group according to weight portion
Become：Illite 35-39 part, barium acetate 2-4 part, dimethylethanolamine 9-13 part, wolframic acid 13-17 part.
3. modification desulfuration adsorbent according to claim 1 is it is characterised in that by the following raw material group according to weight portion
Become：37 parts of illite, 3 parts of barium acetate, 11 parts of dimethylethanolamine, 15 parts of wolframic acid.
4. a kind of preparation method of described modified desulfuration adsorbent as arbitrary in claim 1-3 is it is characterised in that by following step
Rapid composition：
1) deionized water of 6.1 times of wolframic acid and its quality is mixed, prepared tungstic acid；By dimethylethanolamine and its quality
2.7 times of absolute ethyl alcohol mixing, prepared dimethylethanolaminesolution solution；
2) by illite and barium acetate mixed grinding, cross 120 mesh sieves, be subsequently adding tungstic acid, be warming up to 72 DEG C and in this temperature
Degree is lower to seal stir process 2.1h, is subsequently adding dimethylethanolaminesolution solution, is warming up to 89 DEG C and heating stirring at such a temperature
Process 15min, then ultrasonically treated 33min at such a temperature, ultrasonic power is 900W, then stir at a temperature of 99-101 DEG C
To dry, in 450 DEG C of Muffle furnace, then calcine 4.3h obtain final product modified desulfuration adsorbent.
5. described modified desulfuration adsorbent as arbitrary in claim 1-3 application in the oil.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107224962A (en) * | 2017-06-29 | 2017-10-03 | 安徽天顺环保设备股份有限公司 | A kind of loaded modified magnesium oxide-based flue gas dry desulfurizing adsorbent of monoethanolamine and preparation method |
| CN108993395A (en) * | 2018-08-22 | 2018-12-14 | 嘉兴迪迈科技有限公司 | A kind of chemical waste liquid desulfuration adsorbent and preparation method thereof |
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| US5925239A (en) * | 1996-08-23 | 1999-07-20 | Exxon Research And Engineering Co. | Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics |
| CN1519297A (en) * | 2003-01-24 | 2004-08-11 | 中国石油化工股份有限公司 | Adsorbent for desulfurizing fuel oil and preparation method |
| CN101333455A (en) * | 2008-07-30 | 2008-12-31 | 浙江工业大学 | Desulphurization process of gasoline by catalytic oxidation and extraction |
| CN103551107A (en) * | 2013-11-05 | 2014-02-05 | 中国石油大学(北京) | Desulfuration adsorbent for catalytic gasoline as well as preparation method and application of adsorbent |
| CN105854511A (en) * | 2016-05-24 | 2016-08-17 | 南京华电节能环保设备有限公司 | Exhaust gas sulphur removal agent |
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2016
- 2016-12-02 CN CN201611093234.0A patent/CN106378099A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5925239A (en) * | 1996-08-23 | 1999-07-20 | Exxon Research And Engineering Co. | Desulfurization and aromatic saturation of feedstreams containing refractory organosulfur heterocycles and aromatics |
| CN1519297A (en) * | 2003-01-24 | 2004-08-11 | 中国石油化工股份有限公司 | Adsorbent for desulfurizing fuel oil and preparation method |
| CN101333455A (en) * | 2008-07-30 | 2008-12-31 | 浙江工业大学 | Desulphurization process of gasoline by catalytic oxidation and extraction |
| CN103551107A (en) * | 2013-11-05 | 2014-02-05 | 中国石油大学(北京) | Desulfuration adsorbent for catalytic gasoline as well as preparation method and application of adsorbent |
| CN105854511A (en) * | 2016-05-24 | 2016-08-17 | 南京华电节能环保设备有限公司 | Exhaust gas sulphur removal agent |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107224962A (en) * | 2017-06-29 | 2017-10-03 | 安徽天顺环保设备股份有限公司 | A kind of loaded modified magnesium oxide-based flue gas dry desulfurizing adsorbent of monoethanolamine and preparation method |
| CN108993395A (en) * | 2018-08-22 | 2018-12-14 | 嘉兴迪迈科技有限公司 | A kind of chemical waste liquid desulfuration adsorbent and preparation method thereof |
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