CN107022384A - Desulfurizing agent - Google Patents
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- CN107022384A CN107022384A CN201710238001.3A CN201710238001A CN107022384A CN 107022384 A CN107022384 A CN 107022384A CN 201710238001 A CN201710238001 A CN 201710238001A CN 107022384 A CN107022384 A CN 107022384A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/18—Use of additives to fuels or fires for particular purposes use of detergents or dispersants for purposes not provided for in groups C10L10/02 - C10L10/16
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
- C10L1/1857—Aldehydes; Ketones
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
- C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
- C10L1/2225—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates hydroxy containing
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/232—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring
- C10L1/233—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring containing nitrogen and oxygen in the ring, e.g. oxazoles
- C10L1/2335—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring containing nitrogen and oxygen in the ring, e.g. oxazoles morpholino, and derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/08—Inhibitors
- C10L2230/081—Anti-oxidants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
- C10L2230/08—Inhibitors
- C10L2230/082—Inhibitors for anti-foaming
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- Organic Chemistry (AREA)
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The application provides a kind of desulfurizing agent, is made up of the defoamer of the sulfide complexing agent of 1 ~ 20 mass parts, the complex compound dispersant of 30 ~ 90 mass parts, the antioxidant of 0.1 ~ 5 mass parts and 1 ~ 10 mass parts.By adding above-mentioned desulfurizing agent in distillation process, sulfide in energy efficient removal MTBE, ensure that product MTBE sulfur contents are less than 10ppm, blending state V gasoline standards are reached, while relatively low boiling sulfides formation high boiling component is complexed, reduction distillation process vaporization material, reduce thermal energy consumption, and playing prevents the coking of bottom of towe heavy constituent from acting on, and compared to similar desulfurization technology, can improve the MTBE rate of recovery 1% ~ 3%.
Description
Technical field
The present invention relates to chemical field, more particularly to a kind of desulfurizing agent.
Background technology
Methyl tertiary butyl ether(MTBE)(MTBE)It is a kind of high-knock rating gasoline additive, is to produce unleaded gas, high-octane rating to contain
The preferable blending component of oxygen gasoline, is generally used as gasoline additive in worldwide.It can not only effectively be carried
High octane number, and can also improve gasoline performance, the content of carbon monoxide in reduction exhaust, while reduce gasoline production into
This.In addition, MTBE or a kind of important industrial chemicals, can prepare the isobutene of high-purity by cracking.
By methanol, the addition reaction under acidic catalyst effect is formed MTBE with isobutene.Industrially, the different of MTBE is prepared
Butylene is main to be provided by oil refining mixing carbon four component, contains a certain amount of sulfide in the oil refining mixing component of carbon four, these vulcanizations
Thing overwhelming majority in MTBE preparation process is enriched in product MTBE, cause in MTBE products sulfur content reach 100 ~
200ppm, or even more than 2000ppm.But the whether application in chemical industry downstream or as gasoline concoction additive, it is required for
The sulfur content of MTBE products is more low better.The enhancing realized in particular with society to air contaminant treatment, country is to automobile-used vapour
The standard of oily sulfur content is increasingly strict, sulfur content < 10ppm in state's V gasoline standards regulation motor petrol.This is obviously to MTBE's
Production technology, particularly sulfur removal technology propose new problem.
The method of sulfide is mainly distillation in traditional removing MTBE, using MTBE and sulfide boiling point difference, leads to
Cross distillation removing sulfide.But this method sweetening process energy consumption is big, the MTBE rate of recovery is low, unstable product quality.
The content of the invention
Based on this, it is necessary to for sulfide in traditional removing MTBE method energy consumption is big, the MTBE rate of recovery is low and production
The problem of quality is unstable is there is provided a kind of desulfurizing agent, and sulfide that can be in efficient removal MTBE reduces distillation process vaporizer
Material, reduces thermal energy consumption, and can improve the MTBE rate of recovery.
A kind of desulfurizing agent, it is composed of the following components in terms of mass fraction:
1 ~ 20 part of sulfide complexing agent;
30 ~ 90 parts of complex compound dispersant;
0.1 ~ 5 part of antioxidant;
1 ~ 10 part of defoamer.
In one of the embodiments, the sulfide complexing agent is selected from alkane ketone compounds, ester type compound, morpholine class
At least two in compound, sulfone compound and alcamine compound.
In one of the embodiments, the alkane ketone compounds are selected from 1-METHYLPYRROLIDONE and N- ethyl pyrrolidones
At least one of;The ester type compound is selected from least one of methyl formate, ethyl acetate and sec-butyl acetate;It is described
Morpholine kind compound is selected from least one of N-methylmorpholine, N- acetylmorpholines and 4- morpholine formaldehyde;The sulfone class chemical combination
Thing is selected from least one of dimethyl sulfoxide (DMSO) and sulfolane;The alcamine compound is selected from isopropanolamine, diisopropanolamine (DIPA)
At least one of and triisopropanolamine.
In one of the embodiments, the complex compound dispersant is selected from aromatic hydrocarbon solvent, alcohols solvent, gasoline and diesel oil
At least one of.
In one of the embodiments, the aromatic hydrocarbon solvent is selected from least one of toluene, ethylbenzene and dimethylbenzene.
In one of the embodiments, the alcohols solvent is selected from least one of isopropanol, normal propyl alcohol and ethanol.
In one of the embodiments, the antioxidant is 2,6- DI-tert-butylphenol compounds.
In one of the embodiments, the defoamer is alcohol compound.
In one of the embodiments, the alcohol compound in isooctanol, n-octyl alcohol and n-nonyl alcohol at least one
Kind.
Above-mentioned desulfurizing agent, complex compound dispersant therein is used to reduce the concentration of sulfide complexing agent, it is preferably divided
It is dispersed in MTBE, complex reaction is carried out with MTBE small moleculars sulfide compound, forms macromolecular higher-boiling compound, make vulcanization
Thing is able to efficient removal;Antioxidant therein is then used for the stability for improving desulfurizing agent, prevents from sending out in transport storage process
Raw oxidation reaction, improves product stability;Defoamer therein is then used to eliminate desulfurizing agent and the distillation of MTBE mixtures was vaporized
Cheng great Liang bubbling phenomenons, reduce heat transfer loss, reduce steam consumption, reduce energy consumption, and make the MTBE rate of recovery improve 1% ~
3%。
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, specific reality below to the present invention
The mode of applying is described in detail.Many details are elaborated in the following description to fully understand the present invention.But
The invention can be embodied in many other ways as described herein, and those skilled in the art can be without prejudice to this hair
Similar improvement is done in the case of bright intension, therefore the present invention is not limited to the specific embodiments disclosed below.
A kind of desulfurizing agent, by the sulfide complexing agent of 1 ~ 20 mass parts, the complex compound dispersant of 30 ~ 90 mass parts, 0.1 ~ 5
The antioxidant of mass parts and the defoamer of 1 ~ 10 mass parts composition.
Wherein, sulfide complexing agent is used to carry out complex reaction with MTBE small moleculars sulfide compound, forms macromolecular
Higher-boiling compound, enables sulfide to remove.
In the present embodiment, above-mentioned sulfide complexing agent is selected from alkane ketone compounds, ester type compound, morpholine class chemical combination
At least two in thing, sulfone compound and alcamine compound.
It is preferred that, above-mentioned alkane ketone compounds in 1-METHYLPYRROLIDONE and N- ethyl pyrrolidones at least one
Kind.
Ester type compound is selected from least one of methyl formate, ethyl acetate and sec-butyl acetate.
Morpholine kind compound is selected from least one of N-methylmorpholine, N- acetylmorpholines and 4- morpholine formaldehyde.
Sulfone compound is selected from least one of dimethyl sulfoxide (DMSO) and sulfolane.
Alcamine compound is selected from least one of isopropanolamine, diisopropanol and three isopropanols.
Complex compound dispersant is applied not only to reduce the concentration of above-mentioned sulfide complexing agent, it is preferably dispersed in MTBE
In, efficient removal sulfide can also effectively disperse the macromolecular sulfide complex extracted out from MTBE, prevent sulfide complex in steaming
Evaporate bottom of towe aggregation and crosslink coking phenomenon.
In the present embodiment, above-mentioned complex compound dispersant is in aromatic hydrocarbon solvent, alcohols solvent, gasoline and diesel oil
It is at least one.
It is preferred that, above-mentioned aromatic hydrocarbon solvent is selected from least one of toluene, ethylbenzene and dimethylbenzene.
Alcohols solvent is selected from least one of isopropanol, normal propyl alcohol and ethanol.
Antioxidant is used for the stability for improving desulfurizing agent, prevents oxidation reaction in transport storage process, improves production
Product stability.
In the present embodiment, above-mentioned antioxidant is 2,6- DI-tert-butylphenol compounds.
Defoamer is applied not only to eliminate desulfurizing agent and the MTBE mixtures distillation a large amount of bubbling phenomenons of vaporescence, reduces heat
The loss of transmission, reduces steam consumption, so as to reduce energy consumption, improves the MTBE rate of recovery, can also effectively prevent column bottom temperature office
Portion is overheated, and alleviates bottom of towe coking phenomenon.
In the present embodiment, above-mentioned defoamer is alcohol compound.
It is preferred that, above-mentioned alcohol compound is selected from least one of isooctanol, n-octyl alcohol and n-nonyl alcohol.
By adding sulfide in above-mentioned desulfurizing agent, energy efficient removal MTBE in distillation process, it is ensured that product MTBE sulphur
Content is less than 10ppm, reaches blending state V gasoline standards, while being complexed relatively low boiling sulfides formation high boiling component, reduction essence
Process vaporization material is evaporated, thermal energy consumption is reduced, and playing prevents the coking of bottom of towe heavy constituent from acting on, can compared to similar desulfurization technology
Improve the MTBE rate of recovery 1% ~ 3%.
In addition, three wastes are produced above-mentioned desulfurizing agent in use, and safety and environmental protection, heavy constituent can be used as refinery after desulfurization
Diesel oil hydrogenation raw material, without reclaiming, is adapted to mercaptan, thioether, hydroxyl sulphur sulfides component in removing high-sulfur MTBE.
By the sulfide complexing agent of 1 ~ 20 mass parts, the complex compound dispersant of 30 ~ 90 mass parts, 0.1 ~ 5 mass parts it is anti-
Oxidant and the defoamer of 1 ~ 10 mass parts are mixed in the usual way, you can obtain above-mentioned desulfurizing agent, and preparation method is simple.
Above-mentioned desulfurizing agent and high-sulfur MTBE are pressed 1:1000 ratio mixing, complexing desulfurization is carried out into rectifying column, can be by
Sulfide in content≤8000ppm high-sulfur MTBE is effectively complexed into macromolecule higher boiling sulfur compound and discharged from bottom of towe, as
Oil product raw material delivers to gasoline and diesel hydrogenation device, and tower top material distillates≤8ppm low-sulfur MTBE products.Longtime running result shows tower
Kettle and reboiler do not occur coking phenomenon, and the MTBE rate of recovery improves 1% ~ 3%.
It is specific embodiment below.
Embodiment 1
By 10gN- methyl pyrrolidones, 10g methyl formates, 65g toluene, 5g2,6- DI-tert-butylphenol compounds and 10g n-octyl alcohols by normal
Rule mode is mixed, and obtains desulfurizing agent.Above-mentioned desulfurizing agent and high-sulfur MTBE are pressed 1:1000 ratio mixing, is carried out into rectifying column
Be complexed desulfurization, the sulfide in content≤8000ppm high-sulfur MTBE can be effectively complexed into macromolecule higher boiling sulfur compound from
Bottom of towe is discharged, and gasoline and diesel hydrogenation device is delivered to as oil product raw material, and tower top material distillates≤8ppm low-sulfur MTBE products.Long-term fortune
Row result shows tower reactor and reboiler does not occur coking phenomenon, and the MTBE rate of recovery improves 3%.
Embodiment 2
By 1g 4- morpholines formaldehyde, 2g N- acetylmorpholines, 1g dimethyl sulfoxide (DMSO)s, 90g gasoline, 4g 2,6 di t butyl phenols
Mixed in the usual way with 4g isooctanol, obtain desulfurizing agent.
Above-mentioned desulfurizing agent and high-sulfur MTBE are pressed 1:1000 ratio mixing, complexing desulfurization is carried out into rectifying column, can be by
Sulfide in content≤8000ppm high-sulfur MTBE is effectively complexed into macromolecule higher boiling sulfur compound and discharged from bottom of towe, as
Oil product raw material delivers to gasoline and diesel hydrogenation device, and tower top material distillates≤8ppm low-sulfur MTBE products.Longtime running result shows tower
Kettle and reboiler do not occur coking phenomenon, and the MTBE rate of recovery improves 1%.
Embodiment 3
5gN- ethyl pyrrolidones, 5g diisopropanolamine (DIPA)s, 80g dimethylbenzene, 4g 2,6 di t butyl phenols and 6g n-octyl alcohols are pressed
Usual manner is mixed, and obtains desulfurizing agent.
Above-mentioned desulfurizing agent and high-sulfur MTBE are pressed 1:1000 ratio mixing, complexing desulfurization is carried out into rectifying column, can be by
Sulfide in content≤8000ppm high-sulfur MTBE is effectively complexed into macromolecule higher boiling sulfur compound and discharged from bottom of towe, as
Oil product raw material delivers to gasoline and diesel hydrogenation device, and tower top material distillates≤8ppm low-sulfur MTBE products.Longtime running result shows tower
Kettle and reboiler do not occur coking phenomenon, and the MTBE rate of recovery improves 2%.
Embodiment 4
By 6gN- methyl morpholines, 6g sec-butyl acetates, 6g sulfolane, 35g ethylbenzene, 35g ethanol, 2g 2,6 di t butyl phenols
Mixed in the usual way with 10g isooctanol, obtain desulfurizing agent.
Above-mentioned desulfurizing agent and high-sulfur MTBE are pressed 1:1000 ratio mixing, complexing desulfurization is carried out into rectifying column, can be by
Sulfide in content≤8000ppm high-sulfur MTBE is effectively complexed into macromolecule higher boiling sulfur compound and discharged from bottom of towe, as
Oil product raw material delivers to gasoline and diesel hydrogenation device, and tower top material distillates≤8ppm low-sulfur MTBE products.Longtime running result shows tower
Kettle and reboiler do not occur coking phenomenon, and the MTBE rate of recovery improves 3%.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of desulfurizing agent, it is characterised in that in terms of mass fraction, composed of the following components:
1 ~ 20 part of sulfide complexing agent;
30 ~ 90 parts of complex compound dispersant;
0.1 ~ 5 part of antioxidant;
1 ~ 10 part of defoamer.
2. desulfurizing agent according to claim 1, it is characterised in that the sulfide complexing agent be selected from alkane ketone compounds,
At least two in ester type compound, morpholine kind compound, sulfone compound and alcamine compound.
3. desulfurizing agent according to claim 2, it is characterised in that the alkane ketone compounds are selected from 1-METHYLPYRROLIDONE
At least one of and N- ethyl pyrrolidones;The ester type compound is selected from methyl formate, ethyl acetate and sec-butyl acetate
At least one of;The morpholine kind compound in N-methylmorpholine, N- acetylmorpholines and 4- morpholine formaldehyde at least
It is a kind of;The sulfone compound is selected from least one of dimethyl sulfoxide (DMSO) and sulfolane;The alcamine compound is selected from different
At least one of Propanolamine, diisopropanolamine (DIPA) and triisopropanolamine.
4. desulfurizing agent according to claim 1, it is characterised in that the complex compound dispersant is selected from aromatic hydrocarbon solvent, alcohol
At least one of class solvent, gasoline and diesel oil.
5. desulfurizing agent according to claim 4, it is characterised in that the aromatic hydrocarbon solvent is selected from toluene, ethylbenzene and diformazan
At least one of benzene.
6. desulfurizing agent according to claim 4, it is characterised in that the alcohols solvent is selected from isopropanol, normal propyl alcohol and second
At least one of alcohol.
7. desulfurizing agent according to claim 1, it is characterised in that the antioxidant is 2,6- DI-tert-butylphenol compounds.
8. desulfurizing agent according to claim 1, it is characterised in that the defoamer is alcohol compound.
9. desulfurizing agent according to claim 8, it is characterised in that the alcohol compound be selected from isooctanol, n-octyl alcohol and
At least one of n-nonyl alcohol.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107739310A (en) * | 2017-11-16 | 2018-02-27 | 辽宁海德新化工有限公司 | A kind of desulfurization improves product odour device |
CN115536503A (en) * | 2021-06-30 | 2022-12-30 | 中国石油化工股份有限公司 | ETBE desulfurization extractant and desulfurization process |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004292510A (en) * | 2003-03-25 | 2004-10-21 | Nippon Oil Corp | Gasoline |
CN104829436A (en) * | 2015-05-12 | 2015-08-12 | 中建安装工程有限公司 | Device and method for deeply removing organic sulphides in methyl tertiary butyl ether (MTBE) |
CN105777500A (en) * | 2016-05-25 | 2016-07-20 | 郝天臻 | Extraction anti-gum agent for MTBE desulfurization |
CN106278834A (en) * | 2016-08-12 | 2017-01-04 | 丹东明珠特种树脂有限公司 | A kind of green MTBE deep desulfuration purification agent and the application of sulfide in removing methyl tertiary butyl ether(MTBE) thereof |
-
2017
- 2017-04-13 CN CN201710238001.3A patent/CN107022384A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004292510A (en) * | 2003-03-25 | 2004-10-21 | Nippon Oil Corp | Gasoline |
CN104829436A (en) * | 2015-05-12 | 2015-08-12 | 中建安装工程有限公司 | Device and method for deeply removing organic sulphides in methyl tertiary butyl ether (MTBE) |
CN105777500A (en) * | 2016-05-25 | 2016-07-20 | 郝天臻 | Extraction anti-gum agent for MTBE desulfurization |
CN106278834A (en) * | 2016-08-12 | 2017-01-04 | 丹东明珠特种树脂有限公司 | A kind of green MTBE deep desulfuration purification agent and the application of sulfide in removing methyl tertiary butyl ether(MTBE) thereof |
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