CN108212087A - A kind of graphene adsorbent for being used for gasoline and naphtha desulfurization - Google Patents
A kind of graphene adsorbent for being used for gasoline and naphtha desulfurization Download PDFInfo
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- CN108212087A CN108212087A CN201810078657.8A CN201810078657A CN108212087A CN 108212087 A CN108212087 A CN 108212087A CN 201810078657 A CN201810078657 A CN 201810078657A CN 108212087 A CN108212087 A CN 108212087A
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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
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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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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- 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
- B01J20/16—Alumino-silicates
- B01J20/165—Natural alumino-silicates, e.g. zeolites
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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
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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
- C10G25/02—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material
- C10G25/03—Refining of hydrocarbon oils in the absence of hydrogen, with solid sorbents with ion-exchange material with crystalline alumino-silicates, e.g. molecular sieves
- C10G25/05—Removal of non-hydrocarbon compounds, e.g. sulfur compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of for gasoline and the graphene adsorbent of naphtha desulfurization, include the raw material of following parts by weight：6 10 parts of 15 22 parts of graphene dispersing solution, 24 parts of manganese dioxide, 1.5 3 parts of copper oxide, 26 parts of zirconium oxide, 8 14 parts of polyvinyl alcohol, 25 33 parts of montmorillonite, 12 18 parts of attapulgite, 37 parts of ethyl acetate, 10 15 parts of glycerine, 11 16 parts of the strong base solution that mass fraction is 60 75% and water hyacinth.The present invention passes through carrying inorganic oxide, attapulgite and other active components in graphene, other materials are activated further through ethyl acetate alcoholic solution and water hyacinth extracting solution, improve the absorption property to sulfide, also the specific surface area and Kong Rong of montmorillonite and attapulgite are improved, increase adsorption area, enhance the effect of absorption sulfide.
Description
Technical field
It is specifically a kind of for the absorption of the graphene of gasoline and naphtha desulfurization the present invention relates to a kind of desulfuration adsorbent
Agent.
Background technology
Crude oil is oil not through processing, is a kind of dark brown and carries green fluorescence, has the viscous of special odor
Consistence oily liquids is the mixture of a variety of liquid hydrocarbons such as alkane, cycloalkane, aromatic hydrocarbon and alkene.The main component of crude oil is
Two kinds of elements of carbon and hydrogen, account for 83-87% and 11-14% respectively；Also a small amount of sulphur, oxygen, nitrogen and micro phosphorus, arsenic, potassium, sodium, calcium,
The elements such as magnesium, nickel, iron, vanadium, crude oil products have very extensive action and function in socio-economic development, and crude oil is through refining
Processing can obtain the products such as various fuel oil, solvent naphtha, lubricating oil, lubricating grease, paraffin, pitch and liquefied gas, aromatic hydrocarbons, be
Each department of national economy provides fuel, raw material and chemical products.
Gasoline and naphtha are exactly the product that crude oil processing obtains, and the appearance of gasoline is transparency liquid, flammable, boiling range 30
Degree Celsius to 220 degrees Celsius, main component is C5-C12 aliphatic hydrocarbons and cycloalkane and a certain amount of aromatic hydrocarbon.Naphtha is
With the light oil for industrial chemicals that crude oil or other Raw material processings produce, it is mainly used as reformation and industrial chemicals.Gasoline and
Contain sulfide in naphtha, these sulfide not only result in gasoline and the oxidation stability of naphtha is deteriorated, naphtha
Corrosivity increase, the octane number of gasoline declines and the corrosion of engine combustion system, and the sulphur oxidation generated after gasoline combustion
Object is the major pollutants of atmosphere pollution, this all brings inconvenience for the use of people.
Invention content
It is above-mentioned to solve the purpose of the present invention is to provide a kind of for gasoline and the graphene adsorbent of naphtha desulfurization
The problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical solution：
A kind of graphene adsorbent for being used for gasoline and naphtha desulfurization includes the raw material of following parts by weight：Graphene dispersing solution
15-22 parts, 2-4 parts of manganese dioxide, 1.5-3 parts of copper oxide, 2-6 parts of zirconium oxide, 8-14 parts of polyvinyl alcohol, 25-33 parts of montmorillonite,
12-18 parts of attapulgite, 3-7 parts of ethyl acetate, 10-15 parts of glycerine, 11-16 parts of the strong base solution that mass fraction is 60-75%
With 6-10 parts of water hyacinth.
As further embodiment of the present invention：Graphene in graphene dispersing solution is using two layer graphenes, three layers of graphite
One kind in alkene, multi-layer graphene or graphene oxide, strong base solution use sodium hydroxide solution or potassium hydroxide solution.
As further embodiment of the present invention：The grain size of manganese dioxide, copper oxide and zirconium oxide is 0.02-1.3mm.
The preparation method for gasoline and the graphene adsorbent of naphtha desulfurization is as follows：
Step 1 mixes after water hyacinth is crushed with acidic ethanol, and heating and refluxing extraction filters and collects filtrate and residue, residual
Slag is mixed again with identical solid-liquid ratio with the acidic ethanol solution of same concentration, again refluxing extraction, is filtered and is collected filtrate, is merged
Filtrate twice；Filtrate low temperature is placed, then filters, concentration is evaporated under reduced pressure, obtain water hyacinth extracting solution；
Manganese dioxide, copper oxide and zirconium oxide are added in graphene dispersing solution, are then slowly added into strong base solution simultaneously by step 2
And stir 2-3 hours, then ultrasonic disperse 0.8-1.5 hours, obtain composite suspension liquid；
Step 3 mixes ethyl acetate and glycerine, obtains ethyl acetate alcoholic solution, then by polyvinyl alcohol and its quality 4-6
Deionized water mixing again, obtains poly-vinyl alcohol solution, montmorillonite and attapulgite is immersed in 45-60 in poly-vinyl alcohol solution
Minute, obtain modified montmorillonoid and modified attapulgite；
Step 4, by modified montmorillonoid, modified attapulgite, composite suspension liquid and ethyl acetate alcoholic solution mixed grinding and mistake
Then 80-100 mesh sieve is added dropwise water hyacinth extracting solution and ultrasonic wave stirs when being added dropwise, is warming up to after being all added dropwise
It 90-105 degrees Celsius and is kept for 20-26 hours, in 60-70 degrees Celsius of drying, is roasted under nitrogen protection and 300-450 degrees Celsius
It burns 6-8 hours, obtains finished product.
As further embodiment of the present invention：The temperature of poly-vinyl alcohol solution is subzero 8 Dao subzero three degrees Celsius.
As further embodiment of the present invention：The temperature of ultrasonic disperse is 45-60 degrees Celsius, and the power of ultrasonic disperse is
360-420W, the frequency of ultrasonic disperse is 40-60KHz.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources of the present invention are extensive, by being born in graphene
Inorganic oxide, attapulgite and other active components are carried, further through ethyl acetate alcoholic solution and water hyacinth extracting solution to other
Substance is activated, and improves the absorption property to sulfide, also improves the specific surface area and Kong Rong of montmorillonite and attapulgite,
Increase adsorption area, enhance the effect of absorption sulfide, prospect of the application is wide.
Specific embodiment
The technical solution of this patent is described in more detail With reference to embodiment.
Embodiment 1
A kind of graphene adsorbent for being used for gasoline and naphtha desulfurization includes the raw material of following parts by weight：Graphene dispersing solution
16 parts, 2 parts of manganese dioxide, 1.5 parts of copper oxide, 2 parts of zirconium oxide, 8 parts of polyvinyl alcohol, 25 parts of montmorillonite, 12 parts of attapulgite, second
6 parts of 3 parts of acetoacetic ester, 10 parts of glycerine, 11 parts of the strong base solution that mass fraction is 65% and water hyacinth.In graphene dispersing solution
Graphene uses three layer graphenes, and strong base solution uses sodium hydroxide solution.
The preparation method for gasoline and the graphene adsorbent of naphtha desulfurization is as follows：
Step 1 mixes after water hyacinth is crushed with acidic ethanol, and heating and refluxing extraction filters and collects filtrate and residue, residual
Slag is mixed again with identical solid-liquid ratio with the acidic ethanol solution of same concentration, again refluxing extraction, is filtered and is collected filtrate, is merged
Filtrate twice；Filtrate low temperature is placed, then filters, concentration is evaporated under reduced pressure, obtain water hyacinth extracting solution；
Manganese dioxide, copper oxide and zirconium oxide are added in graphene dispersing solution, it is molten to be then slowly added into sodium hydroxide by step 2
Liquid and stir 2 hours, then ultrasonic disperse 0.9 hour, obtains composite suspension liquid；
Step 3 mixes ethyl acetate and glycerine, obtains ethyl acetate alcoholic solution, then by 5 times of polyvinyl alcohol and its quality
Deionized water mixing, obtain poly-vinyl alcohol solution, montmorillonite and attapulgite be immersed in poly-vinyl alcohol solution 50 minutes,
Obtain modified montmorillonoid and modified attapulgite；
Step 4, by modified montmorillonoid, modified attapulgite, composite suspension liquid and ethyl acetate alcoholic solution mixed grinding and mistake
Then 90 mesh sieve are added dropwise water hyacinth extracting solution and ultrasonic wave stir when being added dropwise, are warming up to 95 after being all added dropwise and take the photograph
Family name's degree and keep 24 hours, 66 degrees Celsius drying, nitrogen protection and 350 degrees Celsius under roast 8 hours, obtain finished product.
Embodiment 2
A kind of graphene adsorbent for being used for gasoline and naphtha desulfurization includes the raw material of following parts by weight：Graphene dispersing solution
18 parts, 2.6 parts of manganese dioxide, 2.1 parts of copper oxide, 4 parts of zirconium oxide, 10 parts of polyvinyl alcohol, 27 parts of montmorillonite, attapulgite 15
9 parts of part, 13 parts of the strong base solution that 4.5 parts of ethyl acetate, 12 parts of glycerine, mass fraction are 68% and water hyacinth.Manganese dioxide,
The grain size of copper oxide and zirconium oxide is 0.15mm.
The preparation method for gasoline and the graphene adsorbent of naphtha desulfurization is as follows：
Step 1 mixes after water hyacinth is crushed with acidic ethanol, and heating and refluxing extraction filters and collects filtrate and residue, residual
Slag is mixed again with identical solid-liquid ratio with the acidic ethanol solution of same concentration, again refluxing extraction, is filtered and is collected filtrate, is merged
Filtrate twice；Filtrate low temperature is placed, then filters, concentration is evaporated under reduced pressure, obtain water hyacinth extracting solution；
Manganese dioxide, copper oxide and zirconium oxide are added in graphene dispersing solution, are then slowly added into strong base solution simultaneously by step 2
And stir 3 hours, then ultrasonic disperse 1.2 hours, obtain composite suspension liquid；
Step 3 mixes ethyl acetate and glycerine, obtains ethyl acetate alcoholic solution, then by 5 times of polyvinyl alcohol and its quality
Deionized water mixing, obtain poly-vinyl alcohol solution, montmorillonite and attapulgite be immersed in subzero five degrees Celsius of polyethylene
54 minutes in alcoholic solution, modified montmorillonoid and modified attapulgite are obtained；
Step 4, by modified montmorillonoid, modified attapulgite, composite suspension liquid and ethyl acetate alcoholic solution mixed grinding and mistake
Then 80 mesh sieve are added dropwise water hyacinth extracting solution and ultrasonic wave stir when being added dropwise, are warming up to 96 after being all added dropwise and take the photograph
Family name's degree and keep 23 hours, 65 degrees Celsius drying, nitrogen protection and 390 degrees Celsius under roast 8 hours, obtain finished product.
Embodiment 3
A kind of graphene adsorbent for being used for gasoline and naphtha desulfurization includes the raw material of following parts by weight：Graphene dispersing solution
20 parts, 3.6 parts of manganese dioxide, 2.5 parts of copper oxide, 5 parts of zirconium oxide, 13 parts of polyvinyl alcohol, 31 parts of montmorillonite, attapulgite 16
10 parts of part, 12 parts of the strong base solution that 6 parts of ethyl acetate, 13.5 parts of glycerine, mass fraction are 72% and water hyacinth.Graphene point
For graphene in dispersion liquid using graphene oxide, strong base solution uses potassium hydroxide solution.
The preparation method for gasoline and the graphene adsorbent of naphtha desulfurization is as follows：
Step 1 mixes after water hyacinth is crushed with acidic ethanol, and heating and refluxing extraction filters and collects filtrate and residue, residual
Slag is mixed again with identical solid-liquid ratio with the acidic ethanol solution of same concentration, again refluxing extraction, is filtered and is collected filtrate, is merged
Filtrate twice；Filtrate low temperature is placed, then filters, concentration is evaporated under reduced pressure, obtain water hyacinth extracting solution；
Manganese dioxide, copper oxide and zirconium oxide are added in graphene dispersing solution, it is molten to be then slowly added into potassium hydroxide by step 2
It liquid and stirs 3 hours, then ultrasonic disperse 1.3 hours, the temperature of ultrasonic disperse is 56 degrees Celsius, and the power of ultrasonic disperse is
400W, the frequency of ultrasonic disperse is 40KHz, obtains composite suspension liquid；
Step 3 mixes ethyl acetate and glycerine, obtains ethyl acetate alcoholic solution, then by 6 times of polyvinyl alcohol and its quality
Deionized water mixing, obtain poly-vinyl alcohol solution, montmorillonite and attapulgite be immersed in poly-vinyl alcohol solution 55 minutes,
Obtain modified montmorillonoid and modified attapulgite；
Step 4, by modified montmorillonoid, modified attapulgite, composite suspension liquid and ethyl acetate alcoholic solution mixed grinding and mistake
Then 90 mesh sieve are added dropwise water hyacinth extracting solution and ultrasonic wave stir when being added dropwise, are warming up to 102 after being all added dropwise and take the photograph
Family name's degree and keep 25 hours, 68 degrees Celsius drying, nitrogen protection and 420 degrees Celsius under roast 8 hours, obtain finished product.
Embodiment 4
A kind of graphene adsorbent for being used for gasoline and naphtha desulfurization includes the raw material of following parts by weight：Graphene dispersing solution
22 parts, 4 parts of manganese dioxide, 3 parts of copper oxide, 6 parts of zirconium oxide, 14 parts of polyvinyl alcohol, 33 parts of montmorillonite, 18 parts of attapulgite, second
10 parts of 7 parts of acetoacetic ester, 15 parts of glycerine, 16 parts of the strong base solution that mass fraction is 75% and water hyacinth.In graphene dispersing solution
Graphene uses multi-layer graphene, and strong base solution uses sodium hydroxide solution.The grain size of manganese dioxide, copper oxide and zirconium oxide is
0.46mm。
The preparation method for gasoline and the graphene adsorbent of naphtha desulfurization is as follows：
Step 1 mixes after water hyacinth is crushed with acidic ethanol, and heating and refluxing extraction filters and collects filtrate and residue, residual
Slag is mixed again with identical solid-liquid ratio with the acidic ethanol solution of same concentration, again refluxing extraction, is filtered and is collected filtrate, is merged
Filtrate twice；Filtrate low temperature is placed, then filters, concentration is evaporated under reduced pressure, obtain water hyacinth extracting solution；
Manganese dioxide, copper oxide and zirconium oxide are added in graphene dispersing solution, it is molten to be then slowly added into sodium hydroxide by step 2
It liquid and stirs 3 hours, then ultrasonic disperse 1.2 hours, the temperature of ultrasonic disperse is 54 degrees Celsius, and the power of ultrasonic disperse is
410W, the frequency of ultrasonic disperse is 54KHz, obtains composite suspension liquid；
Step 3 mixes ethyl acetate and glycerine, obtains ethyl acetate alcoholic solution, then by 4 times of polyvinyl alcohol and its quality
Deionized water mixing, obtain poly-vinyl alcohol solution, montmorillonite and attapulgite be immersed in subzero eight degrees Celsius of polyethylene
55 minutes in alcoholic solution, modified montmorillonoid and modified attapulgite are obtained；
Step 4, by modified montmorillonoid, modified attapulgite, composite suspension liquid and ethyl acetate alcoholic solution mixed grinding and mistake
Then 100 mesh sieve are added dropwise water hyacinth extracting solution and ultrasonic wave stir when being added dropwise, 104 are warming up to after being all added dropwise
Degree Celsius and keep 24 hours, 68 degrees Celsius drying, nitrogen protection and 420 degrees Celsius under roast 8 hours, obtain into
Product.
Graphene is using in two layer graphenes, three layer graphenes, multi-layer graphene or graphene oxide during the present invention is logical
One kind has stratiform, micropore and mesoporous micro-structure, has loaded inorganic oxide wherein, has concerted catalysis performance, concave convex rod
Stone and montmorillonite are inserted between the lamella of graphene, are conducive to the abundant load active component ion of graphene, ethyl acetate
Alcoholic solution and water hyacinth extracting solution can also activate the inorganic oxide and particles of active components of graphene and its load,
The absorption property to sulfide is improved, also improves the specific surface area and Kong Rong of montmorillonite and attapulgite, increases adsorption area,
Enhance the effect of absorption sulfide.
It is obvious to a person skilled in the art that the present invention is not limited to the details of above-mentioned 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, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
- It is 1. a kind of for gasoline and the graphene adsorbent of naphtha desulfurization, which is characterized in that include the raw material of following parts by weight： 15-22 parts of graphene dispersing solution, 1.5-3 parts of copper oxide, 2-6 parts of zirconium oxide, 8-14 parts of polyvinyl alcohol, covers 2-4 parts of manganese dioxide De- 25-33 parts of soil, 12-18 parts of attapulgite, 3-7 parts of ethyl acetate, 10-15 parts of glycerine, mass fraction are the strong of 60-75% 6-10 parts of 11-16 parts of aqueous slkali and water hyacinth.
- It is 2. according to claim 1 for gasoline and the graphene adsorbent of naphtha desulfurization, which is characterized in that the stone Graphene in black alkene dispersion liquid uses one kind in two layer graphenes, three layer graphenes, multi-layer graphene or graphene oxide, Strong base solution uses sodium hydroxide solution or potassium hydroxide solution.
- It is 3. according to claim 1 for gasoline and the graphene adsorbent of naphtha desulfurization, which is characterized in that described two The grain size of manganese oxide, copper oxide and zirconium oxide is 0.02-1.3mm.
- 4. a kind of preparation side as described in any one of claims 1-3 for gasoline and the graphene adsorbent of naphtha desulfurization Method, which is characterized in that be as follows：Step 1 mixes after water hyacinth is crushed with acidic ethanol, and heating and refluxing extraction filters and collects filtrate and residue, residual Slag is mixed again with identical solid-liquid ratio with the acidic ethanol solution of same concentration, again refluxing extraction, is filtered and is collected filtrate, is merged Filtrate twice；Filtrate low temperature is placed, then filters, concentration is evaporated under reduced pressure, obtain water hyacinth extracting solution；Manganese dioxide, copper oxide and zirconium oxide are added in graphene dispersing solution, are then slowly added into strong base solution simultaneously by step 2 And stir 2-3 hours, then ultrasonic disperse 0.8-1.5 hours, obtain composite suspension liquid；Step 3 mixes ethyl acetate and glycerine, obtains ethyl acetate alcoholic solution, then by polyvinyl alcohol and its quality 4-6 Deionized water mixing again, obtains poly-vinyl alcohol solution, montmorillonite and attapulgite is immersed in 45-60 in poly-vinyl alcohol solution Minute, obtain modified montmorillonoid and modified attapulgite；Step 4, by modified montmorillonoid, modified attapulgite, composite suspension liquid and ethyl acetate alcoholic solution mixed grinding and mistake Then 80-100 mesh sieve is added dropwise water hyacinth extracting solution and ultrasonic wave stirs when being added dropwise, is warming up to after being all added dropwise It 90-105 degrees Celsius and is kept for 20-26 hours, in 60-70 degrees Celsius of drying, is roasted under nitrogen protection and 300-450 degrees Celsius It burns 6-8 hours, obtains finished product.
- 5. the preparation method according to claim 4 for gasoline and the graphene adsorbent of naphtha desulfurization, feature It is, the temperature of the poly-vinyl alcohol solution is subzero 8 Dao subzero three degrees Celsius.
- 6. the preparation method according to claim 4 for gasoline and the graphene adsorbent of naphtha desulfurization, feature It is, the temperature of the ultrasonic disperse is 45-60 degrees Celsius, and the power of ultrasonic disperse is 360-420W, the frequency of ultrasonic disperse For 40-60KHz.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108865217A (en) * | 2018-07-20 | 2018-11-23 | 北京欧美中科学技术研究院 | A kind of non-hydrodesulfurizationprocess process of inferior feedstock oil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683607A (en) * | 2008-09-22 | 2010-03-31 | 中国科学院过程工程研究所 | Method for preparing composite modified montmorillonite sorbent |
| CN103394322A (en) * | 2013-07-17 | 2013-11-20 | 常州大学盱眙凹土研发中心 | Gasoline desulfurization adsorbent and preparation method thereof |
| CN107226466A (en) * | 2017-08-01 | 2017-10-03 | 西南科技大学 | The method that nitrogen-doped graphene aeroge is prepared using plant extraction liquid modification |
-
2018
- 2018-01-26 CN CN201810078657.8A patent/CN108212087A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101683607A (en) * | 2008-09-22 | 2010-03-31 | 中国科学院过程工程研究所 | Method for preparing composite modified montmorillonite sorbent |
| CN103394322A (en) * | 2013-07-17 | 2013-11-20 | 常州大学盱眙凹土研发中心 | Gasoline desulfurization adsorbent and preparation method thereof |
| CN107226466A (en) * | 2017-08-01 | 2017-10-03 | 西南科技大学 | The method that nitrogen-doped graphene aeroge is prepared using plant extraction liquid modification |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108865217A (en) * | 2018-07-20 | 2018-11-23 | 北京欧美中科学技术研究院 | A kind of non-hydrodesulfurizationprocess process of inferior feedstock oil |
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