CN106433749B - A kind of selective desulfurization agent and its preparation method and application - Google Patents
A kind of selective desulfurization agent and its preparation method and application Download PDFInfo
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- CN106433749B CN106433749B CN201611113624.XA CN201611113624A CN106433749B CN 106433749 B CN106433749 B CN 106433749B CN 201611113624 A CN201611113624 A CN 201611113624A CN 106433749 B CN106433749 B CN 106433749B
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- acetic acid
- perillaldehyde
- gasoline
- illite
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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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
-
- 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)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of selective desulfurization agent and its preparation method and application, the desulfurizing agent is made up of the raw material below according to parts by weight：28 36 parts of illite, 15 parts of hydroxypropylguar, 37 parts of perillaldehyde, 11 19 parts of acetic acid.The present invention is using illite as raw material, after hydroxypropylguar mixed grinding, again through peracetic acid, perillaldehyde processing etc. made from desulfurizing agent, gasoline is obtained the gasoline of ultra-low sulfur of the sulfur content below 6 μ g/g in the case where RON losses are less than 2.0.Selectivity of the invention to sulphur is good, desulfurization depth is high, can avoid loss of octane number caused by olefins hydrogenation while the sulfur-containing compound in deep removal gasoline, service life is grown, non-secondary pollution more friendly to environment, and regenerability is good.Preparation technology of the present invention is simple, easy to operate, easy to control, and stable performance, production cost is low, suitable for industrialized production.
Description
Technical field
The present invention relates to technical field of gasoline, specifically a kind of selective desulfurization agent and its preparation method and application.
Background technology
The ultra-deep desulfurization of gasoline turns into a major issue urgently to be resolved hurrily in world wide.Combustion of sulfur in gasoline
It is one of pollutant main in air to generate oxysulfide (SOx), and it, which is discharged into air, can form acid rain, destroy ecological ring
Border.In addition, sulfur oxide can also 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, aggravate the pollution of urban environment.Therefore, it is motor petrol standard to limit sulfur content
In an important indicator, and evaluation gasoline cleaning degree key factor.External gasoline blend component only has 34% in forming
It is catalytic cracking (FCC) gasoline, the blend component of the product oil in China has 80% (volume fraction) to come from FCC gasoline, and gasoline
Middle 85-95% sulphur source is from FCC gasoline, and therefore, the sulfur content being effectively reduced using which kind of technique in FCC gasoline turns into China
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 it can cause the significantly loss of octane number with the saturation of olefin(e) compound.Absorption method gasoline desulfurization
The advantages of with Low investment, lower operational cost.But using various molecular sieves, activated carbon as representative physical adsorption process removal efficiency compared with
It is low, and the life-span is shorter.Discarded adsorbent secondary pollution and process problem also be present in some materials.In addition, existing desulfurizing agent is more
Using materials such as activated carbon, ZSM-5, illite makes it seldom be used due to the structure of its own.
The content of the invention
It is an object of the invention to provide a kind of selective desulfurization agent and its preparation method and application, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of selective desulfurization agent, is made up of the raw material below according to parts by weight：Illite 28-36 parts, hydroxypropyl guar
Bean gum 1-5 parts, perillaldehyde 3-7 parts, acetic acid 11-19 parts.
As the further scheme of the present invention：The selective desulfurization agent, is made up of the raw material below according to parts by weight：She
Sharp stone 30-34 parts, hydroxypropylguar 2-4 parts, perillaldehyde 4-6 parts, acetic acid 13-17 parts.
As the further scheme of the present invention：The selective desulfurization agent, is made up of the raw material below according to parts by weight：She
Sharp 32 parts of stone, 3 parts of hydroxypropylguar, 5 parts of perillaldehyde, 15 parts of acetic acid.
Another object of the present invention is to provide a kind of preparation method of selective desulfurization agent, comprises the steps of：
1) 65% ethanol of 6.8 times of acetic acid and its quality is mixed, acetic acid solution is made；
2) by illite and hydroxypropylguar mixed grinding 1.5-1.6h, acetic acid solution is then added, is warming up to 69
DEG C and at such a temperature seal stir process 1.9h, then heat to 83 DEG C and perillaldehyde be added dropwise, in the temperature after being added dropwise to complete
Lower supersound process 22min, ultrasonic power 1000W, then stirring is to doing at a temperature of 99-101 DEG C, then in 440 DEG C of horse
4.3h is not calcined in stove and produces desulfurizing agent.
Another object of the present invention is to provide the application of the desulfurizing agent in the oil.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is using illite as raw material, after hydroxypropylguar mixed grinding, then the place through peracetic acid, perillaldehyde
Desulfurizing agent made from reason etc., make gasoline that it is super below 6 μ g/g can to obtain sulfur content in the case where RON losses are less than 2.0
The gasoline of low sulfur content.Selectivity of the invention to sulphur is good, desulfurization depth is high, can be in the sulfur-containing compound in deep removal gasoline
While, loss of octane number caused by olefins hydrogenation is avoided, service life is grown, non-secondary pollution more friendly to environment,
Regenerability is good.Preparation technology of the present invention is simple, easy to operate, easy to control, and stable performance, production cost is low, suitable for industrialization
Production.
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 part of the 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 creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the raw material below according to parts by weight：Illite 28
Part, 1 part of hydroxypropylguar, 3 parts of perillaldehyde, 11 parts of acetic acid.
The ethanol that 6.8 times of volumetric concentration of acetic acid and its quality is 65% mix, obtained acetic acid solution.By illite with
Hydroxypropylguar mixed grinding 1.5h, then adds acetic acid solution, is warming up to 69 DEG C and seals at such a temperature at stirring
1.9h is managed, 83 DEG C is then heated to and perillaldehyde is added dropwise, be ultrasonically treated 22min, ultrasonic power after being added dropwise to complete at such a temperature
For 1000W, then stirring to dry, then calcine 4.3h in 440 DEG C of Muffle furnace and produces desulfurizing agent at a temperature of 99 DEG C.
Embodiment 2
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the raw material below according to parts by weight：Illite 36
Part, 5 parts of hydroxypropylguar, 7 parts of perillaldehyde, 19 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, acetic acid solution is made.By illite and hydroxypropyl guar beans
Glue mixed grinding 1.6h, then adds acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h, Ran Housheng at such a temperature
To 83 DEG C and perillaldehyde is added dropwise in temperature, is ultrasonically treated 22min, ultrasonic power 1000W after being added dropwise to complete at such a temperature, then
At a temperature of 101 DEG C then stirring calcines 4.3h in 440 DEG C of Muffle furnace and produces desulfurizing agent to doing.
Embodiment 3
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the raw material below according to parts by weight：Illite 30
Part, 2 parts of hydroxypropylguar, 4 parts of perillaldehyde, 13 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, acetic acid solution is made.By illite and hydroxypropyl guar beans
Glue mixed grinding 1.55h, then adds acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h at such a temperature, then
It is warming up to 83 DEG C and perillaldehyde is added dropwise, is ultrasonically treated 22min, ultrasonic power 1000W after being added dropwise to complete at such a temperature, then
At a temperature of 100 DEG C then stirring calcines 4.3h in 440 DEG C of Muffle furnace and produces desulfurizing agent to doing.
Embodiment 4
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the raw material below according to parts by weight：Illite 34
Part, 4 parts of hydroxypropylguar, 6 parts of perillaldehyde, 17 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, acetic acid solution is made.By illite and hydroxypropyl guar beans
Glue mixed grinding 1.55h, then adds acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h at such a temperature, then
It is warming up to 83 DEG C and perillaldehyde is added dropwise, is ultrasonically treated 22min, ultrasonic power 1000W after being added dropwise to complete at such a temperature, then
At a temperature of 100 DEG C then stirring calcines 4.3h in 440 DEG C of Muffle furnace and produces desulfurizing agent to doing.
Embodiment 5
In the embodiment of the present invention, a kind of selective desulfurization agent, it is made up of the raw material below according to parts by weight：Illite 32
Part, 3 parts of hydroxypropylguar, 5 parts of perillaldehyde, 15 parts of acetic acid.
6.8 times of 65% ethanol of acetic acid and its quality is mixed, acetic acid solution is made.By illite and hydroxypropyl guar beans
Glue mixed grinding 1.55h, then adds acetic acid solution, is warming up to 69 DEG C and seals stir process 1.9h at such a temperature, then
It is warming up to 83 DEG C and perillaldehyde is added dropwise, is ultrasonically treated 22min, ultrasonic power 1000W after being added dropwise to complete at such a temperature, then
At a temperature of 100 DEG C then stirring calcines 4.3h in 440 DEG C of Muffle furnace and produces desulfurizing agent to doing.
Comparative example 1
In addition to hydroxypropylguar is not contained, its material content and preparation process are consistent with embodiment 5.
Comparative example 2
In addition to perillaldehyde is not contained, its material content and preparation process are consistent with embodiment 5.
Comparative example 3
In addition to hydroxypropylguar and perillaldehyde is not contained, its material content and preparation process are consistent with embodiment 5.
Embodiment 6
Sour gasoline is selected respectively using the selective desulfurization agent obtained by above-described embodiment 1-5 and comparative example 1-3
The desulfurization of selecting property, is comprised the following steps that：
Sour gasoline of the sulfur content in 398 μ g/g is taken off with the selectivity obtained by embodiment 1-5 and comparative example 1-3 respectively
Sulphur agent is in feeding liquid volume space velocity 2h-1, under conditions of 100 DEG C of temperature, pressure 0.8MPa, hydrogen and sour gasoline volume ratio 100
Contacted.
Sour gasoline used and respectively through obtained by embodiment 1-5 and comparative example 1-3 in above-mentioned Application Example
Total sulfur, alkene, research octane number (RON), RON losses, desulfurization degree after selective desulfurization agent progress desulfurization in the sulfur-free gasoline of gained
After testing or calculate, it the results are shown in Table 1.
Table 1
As can be seen from the above table, catalytically cracked gasoline inferior can be processed as sulfur content by selective desulfurization agent of the invention
<6 μ g/g high-quality cleaning sulfur-free gasoline, research octane number (RON) RON losses<2.0 units.
Embodiment 7
Using the gained of embodiment 5 selective desulfurization agent to sulfur content 398 μ g/g sour gasoline in feeding liquid volume
Air speed 2h-1, 100 DEG C of temperature, pressure 0.8MPa, hydrogen contact processing 10h with being carried out under conditions of sour gasoline volume ratio 100
Afterwards, that is, the desulfurization process of 1 selective desulfurization agent is completed.
Selective desulfurization agent to above-mentioned 1 desulfurization process of completion regenerates, and comprises the following steps that：
Above-mentioned regenerative process uses air as regeneration gas, and it is 200h to control volume of air air speed-1, temperature be 440 DEG C, often
Pressure carries out burning sulphur 2.5h, is then down to room temperature, that is, completes the regeneration of the selective desulfurization agent after inactivation.
By the selective desulfurization agent after 1 regeneration of above-mentioned completion to sulfur content 398 μ g/g sour gasoline again according to
Above-mentioned condition carries out desulfurization process, that is, repeats above-mentioned desulfurization, regeneration 5 times, 10 times.
Desulfurization, institute are carried out to sour gasoline respectively using the regeneration 1 time of above-mentioned gained, 5 times, the selective desulfurization agent of 10 times
Sour gasoline is that total sulfur, alkene, research octane number (RON), desulfurization degree in the sulfur-free gasoline of feedstock oil and gained the results are shown in Table
2：
Table 2
As can be seen from the above table, selective desulfurization agent of the invention, after 10 regeneration, its desulfurization degree is still reachable for it
99.5-99.7%, it has been indicated above during sour gasoline desulfurization, the activity of selective desulfurization agent of the invention, selection
Property is good, and every reactivity worth index stability of the gasoline after desulfurization is good.
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 without departing substantially from spirit or essential attributes of the 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 the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (4)
1. a kind of selective desulfurization agent, it is characterised in that be made up of the raw material below according to parts by weight：Illite 28-36 parts, hydroxyl
Propyl group guar gum 1-5 parts, perillaldehyde 3-7 parts, acetic acid 11-19 parts；
The preparation method of described selective desulfurization agent, is comprised the steps of：
1) 65% ethanol of 6.8 times of acetic acid and its quality is mixed, acetic acid solution is made；
2) by illite and hydroxypropylguar mixed grinding 1.5-1.6h, acetic acid solution is then added, is warming up to 69 DEG C simultaneously
Stir process 1.9h is sealed at such a temperature, then heats to 83 DEG C and perillaldehyde is added dropwise, surpass at such a temperature after being added dropwise to complete
Sonication 22min, ultrasonic power 1000W, then stirring is to doing at a temperature of 99-101 DEG C, then in 440 DEG C of Muffle furnace
Middle calcining 4.3h produces desulfurizing agent.
2. selective desulfurization agent according to claim 1, it is characterised in that be made up of the raw material below according to parts by weight：
Illite 30-34 parts, hydroxypropylguar 2-4 parts, perillaldehyde 4-6 parts, acetic acid 13-17 parts.
3. selective desulfurization agent according to claim 1, it is characterised in that be made up of the raw material below according to parts by weight：
32 parts of illite, 3 parts of hydroxypropylguar, 5 parts of perillaldehyde, 15 parts of acetic acid.
4. the application of desulfurizing agent in the oil as described in claim 1-3 is any.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611113624.XA CN106433749B (en) | 2016-12-07 | 2016-12-07 | A kind of selective desulfurization agent and its preparation method and application |
| CN201711257499.4A CN108048129A (en) | 2016-12-07 | 2016-12-07 | A kind of selective desulfurization agent and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611113624.XA CN106433749B (en) | 2016-12-07 | 2016-12-07 | A kind of selective desulfurization agent and its preparation method and application |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050059548A1 (en) * | 1999-08-25 | 2005-03-17 | Khare Gyanesh P. | Desulfurization and novel sorbents for same |
| CN104209142A (en) * | 2013-06-05 | 2014-12-17 | 中国石油化工股份有限公司 | Hydrocarbon oil desulfurization catalyst and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289472A (en) * | 2015-11-19 | 2016-02-03 | 兰州坤仑环保科技有限公司 | Honeycomb attapulgite ceramsite diesel oil desulfurizer |
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2016
- 2016-12-07 CN CN201711257499.4A patent/CN108048129A/en not_active Withdrawn
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050059548A1 (en) * | 1999-08-25 | 2005-03-17 | Khare Gyanesh P. | Desulfurization and novel sorbents for same |
| CN104209142A (en) * | 2013-06-05 | 2014-12-17 | 中国石油化工股份有限公司 | Hydrocarbon oil desulfurization catalyst and application method thereof |
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| CN108048129A (en) | 2018-05-18 |
| CN106433749A (en) | 2017-02-22 |
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