CN108219868A - A kind of preparation method of environmental protection petrol and diesel oil - Google Patents
A kind of preparation method of environmental protection petrol and diesel oil Download PDFInfo
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- CN108219868A CN108219868A CN201611189330.5A CN201611189330A CN108219868A CN 108219868 A CN108219868 A CN 108219868A CN 201611189330 A CN201611189330 A CN 201611189330A CN 108219868 A CN108219868 A CN 108219868A
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- Prior art keywords
- gas
- dimethyl ether
- liquid
- diesel oil
- environmental protection
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Classifications
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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
- C10L1/04—Liquid carbonaceous fuels essentially based on blends of hydrocarbons
-
- 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
- C10L1/1852—Ethers; Acetals; Ketals; Orthoesters
-
- 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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/12—Use of additives to fuels or fires for particular purposes for improving the cetane number
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention discloses a kind of preparation methods of environmentally friendly petrol and diesel oil, include the following steps：A, by uniformly mixed CO and H2Synthesis gas be passed through in the reactor of catalyst, controlling the reaction temperature of reactor, synthesis gas is reacted for 120 270 DEG C, 0.2 3.8MPa of pressure；B, the mixed gas after reacting, into after row buffering, is condensed by buffer into condensing tower, and condensed mixed gas, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into liquid dimethyl ether；C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil.Present invention process is simple and is readily produced, cheap；Gas dimethyl ether is converted into liquid, added in petrol and diesel oil, low hexadecane value can be dropped, improves the performance and quality of oil product, environmental protection and energy saving；, it can be achieved that continuous dosing produces after activation of catalyst, production capacity is improved.
Description
Technical field
The invention belongs to petrol and diesel oil production fields, and in particular to a kind of preparation method of environmental protection petrol and diesel oil.
Background technology
Dimethyl ether (DME) molecular formula is CH3OCH3, it is colourless, nontoxic, there is the physical property similar to liquefied petroleum gas, it is right
Atmospheric ozone layer is harmless, is easily degraded in atmosphere convection layer；Due to dimethyl ether not sulfur-bearing, so with liquefied gas is not corroded
The superiority of tank, cylinder for liquefied gas.Dimethyl ether octane number is high, good dynamic property, and pollution is few, can be widely applied to onboard fuel.Mesh
Before, the preparation method equipment investment of dimethyl ether is larger, and production equipment is more complicated, and heating temperature is higher, and pressure is big needed for production, has
A bit using solid catalyst, if high boiling substance and impurity treatment are bad, when gas phase and solid catalyst haptoreaction, hold very much
Catalyst poisoning is easily led to, so as to discard expensive catalyst, seriously affects production.
Invention content
The object of the present invention is to provide a kind of preparation methods of environmentally friendly petrol and diesel oil, and gas dimethyl ether is converted into liquid,
Added in petrol and diesel oil, low hexadecane value is dropped, improves the performance and quality of oil product, environmental protection and energy saving；, it can be achieved that even after activation of catalyst
The continuous production that feeds intake, improves production capacity.
Technical scheme of the present invention：A kind of preparation method of environmental protection petrol and diesel oil, includes the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through in the reactor of catalyst, control the reaction temperature of reactor
It spends for 120-270 DEG C, pressure 0.2-3.8MPa, synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed, condensed gaseous mixture by buffer into condensing tower
Body, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into
Liquid dimethyl ether；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil.
Embodiment as a preferred embodiment of the above technical solution, a kind of preparation method of environmentally friendly petrol and diesel oil provided by the invention into
One step includes the part or all of of following technical characteristic：
As the improvement of said program, the preparation method of aforementioned environmentally friendly petrol and diesel oil includes the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through in the reactor of catalyst, control the reaction temperature of reactor
It is 160-200 DEG C to spend, and pressure 1.0-2.8MPa, synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed, condensed gaseous mixture by buffer into condensing tower
Body, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into
Liquid dimethyl ether；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil.
As the improvement of said program, in the preparation method of aforementioned environmentally friendly petrol and diesel oil, the catalyst in the step a is
Contain γ-Al2O3/SiO2Manufactured ZSM-5 molecular sieve catalyst.
As the improvement of said program, in the preparation method of aforementioned environmentally friendly petrol and diesel oil, catalyst is anti-in the step a
The reduction of device temperature is answered, after stopping feeds intake, is warming up to 180-230 DEG C, it, can after renewing catalyst activity through 2-3 hours Passivation Treatments
Continue to feed intake and carry out continuous production.
As the improvement of said program, in the preparation method of aforementioned environmentally friendly petrol and diesel oil, liquid dimethyl ether in the step c
The volume ratio that feeds intake with gasoline/diesel is：90~99：1~10.
As the improvement of said program, in the preparation method of aforementioned environmentally friendly petrol and diesel oil, liquid dimethyl ether in the step c
The volume ratio that feeds intake with gasoline/diesel is：95：5.
Compared with prior art, the present invention has the advantages that：It is simple for process and be readily produced, it is cheap；
Not discharge harmful in production, it is environmentally safe；Gas dimethyl ether is converted into liquid, added in petrol and diesel oil, can be dropped
Low hexadecane value improves the performance and quality of oil product, environmental protection and energy saving；, it can be achieved that continuous dosing produces after activation of catalyst, life is improved
Production capacity power.
Specific embodiment
With reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
Embodiment one：A kind of preparation method of environmental protection petrol and diesel oil, includes the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through containing γ-Al2O3/SiO2Manufactured ZSM-5 molecular sieve catalysis
In the reactor of agent, the reaction temperature for controlling reactor is 120-270 DEG C, pressure 0.2-3.8MPa, and synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed, condensed gaseous mixture by buffer into condensing tower
Body, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into
Liquid dimethyl ether；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil,
In, the volume ratio that feeds intake of liquid dimethyl ether and gasoline/diesel is：95：5.
After the completion of reaction, catalyst is reduced in temperature of reactor in the step a, after stopping feeds intake, is warming up to 180-230
DEG C, through 2-3 hours Passivation Treatments, after renewing catalyst activity, can continue to feed intake carried out continuous production.
Embodiment two：A kind of preparation method of environmental protection petrol and diesel oil, includes the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through containing γ-Al2O3/SiO2Manufactured ZSM-5 molecular sieve catalysis
In the reactor of agent, the reaction temperature for controlling reactor is 120-270 DEG C, pressure 0.2-3.8MPa, and synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed, condensed gaseous mixture by buffer into condensing tower
Body, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into
Liquid dimethyl ether；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil,
In, the volume ratio that feeds intake of liquid dimethyl ether and gasoline/diesel is：99：1.
After the completion of reaction, catalyst is reduced in temperature of reactor in the step a, after stopping feeds intake, is warming up to 180-230
DEG C, through 2-3 hours Passivation Treatments, after renewing catalyst activity, can continue to feed intake carried out continuous production.
Embodiment three：A kind of preparation method of environmental protection petrol and diesel oil, includes the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through containing γ-Al2O3/SiO2Manufactured ZSM-5 molecular sieve catalysis
In the reactor of agent, the reaction temperature for controlling reactor is 120-270 DEG C, pressure 0.2-3.8MPa, and synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed, condensed gaseous mixture by buffer into condensing tower
Body, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into
Liquid dimethyl ether；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil,
In, the volume ratio that feeds intake of liquid dimethyl ether and gasoline/diesel is：90：10.
After the completion of reaction, catalyst is reduced in temperature of reactor in the step a, after stopping feeds intake, is warming up to 180-230
DEG C, through 2-3 hours Passivation Treatments, after renewing catalyst activity, can continue to feed intake carried out continuous production.
Example IV：A kind of preparation method of environmental protection petrol and diesel oil, includes the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through containing γ-Al2O3/SiO2Manufactured ZSM-5 molecular sieve catalysis
In the reactor of agent, the reaction temperature for controlling reactor is 160-200 DEG C, and pressure 1.0-2.8MPa, synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed, condensed gaseous mixture by buffer into condensing tower
Body, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into
Liquid；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil,
In, the volume ratio that feeds intake of liquid dimethyl ether and gasoline/diesel is：99：1.
After the completion of reaction, catalyst is reduced in temperature of reactor in the step a, after stopping feeds intake, is warming up to 180-230
DEG C, through 2-3 hours Passivation Treatments, after renewing catalyst activity, can continue to feed intake carried out continuous production.
Embodiment five：A kind of preparation method of environmental protection petrol and diesel oil, includes the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through containing γ-Al2O3/SiO2Manufactured ZSM-5 molecular sieve catalysis
In the reactor of agent, the reaction temperature for controlling reactor is 160-200 DEG C, and pressure 1.0-2.8MPa, synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed, condensed gaseous mixture by buffer into condensing tower
Body, which enters after gas-liquid separator carries out gas-liquid separation, obtains gas of dimethyl ether, and gas of dimethyl ether after compressor compresses by being converted into
Liquid；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil,
In, the volume ratio that feeds intake of liquid dimethyl ether and gasoline/diesel is：90：10.
After the completion of reaction, catalyst is reduced in temperature of reactor in the step a, after stopping feeds intake, is warming up to 180-230
DEG C, through 2-3 hours Passivation Treatments, after renewing catalyst activity, can continue to feed intake carried out continuous production.
The above is the preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for the professional technician of the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these are improved and variation is also considered as protection scope of the present invention.
Claims (6)
1. a kind of preparation method of environmental protection petrol and diesel oil, it is characterised in that：Include the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through in the reactor of catalyst, the reaction temperature for controlling reactor is
120-270 DEG C, pressure 0.2-3.8MPa, synthesis gas are reacted；
B, the mixed gas after reacting, into after row buffering, is condensed by buffer into condensing tower, condensed mixed gas into
Enter after gas-liquid separator carries out gas-liquid separation and obtain gas of dimethyl ether, gas of dimethyl ether after compressor compresses by being converted into liquid
Dimethyl ether；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil.
2. the preparation method of environmental protection petrol and diesel oil as described in claim 1, it is characterised in that：Include the following steps：
A, by uniformly mixed CO and H2Synthesis gas be passed through in the reactor of catalyst, the reaction temperature for controlling reactor is
160-200 DEG C, pressure 1.0-2.8MPa, synthesis gas is reacted；
B, the mixed gas after reacting, into after row buffering, is condensed by buffer into condensing tower, condensed mixed gas into
Enter after gas-liquid separator carries out gas-liquid separation and obtain gas of dimethyl ether, gas of dimethyl ether after compressor compresses by being converted into liquid
Body；
C, liquid dimethyl ether is added in gasoline/diesel, after stirring evenly, obtains product environment protection gasoline/environmental protection diesel oil.
3. the preparation method of environmental protection petrol and diesel oil as claimed in claim 1 or 2, it is characterised in that：Catalyst in the step a
To contain γ-Al2O3/SiO2Manufactured ZSM-5 molecular sieve catalyst.
4. the preparation method of environmental protection petrol and diesel oil as claimed in claim 1 or 2, it is characterised in that：Catalyst exists in the step a
Temperature of reactor reduces, and after stopping feeds intake, is warming up to 180-230 DEG C, through 2-3 hours Passivation Treatments, after renewing catalyst activity,
It can continue to feed intake and carry out continuous production.
5. the preparation method of environmental protection petrol and diesel oil as claimed in claim 1 or 2, it is characterised in that：Liquid diformazan in the step c
The volume ratio that feeds intake of ether and gasoline/diesel is：90~99：1~10.
6. the preparation method of environmental protection petrol and diesel oil as claimed in claim 5, it is characterised in that：Liquid dimethyl ether in the step c
The volume ratio that feeds intake with gasoline/diesel is：95：5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611189330.5A CN108219868A (en) | 2016-12-21 | 2016-12-21 | A kind of preparation method of environmental protection petrol and diesel oil |
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| CN201611189330.5A CN108219868A (en) | 2016-12-21 | 2016-12-21 | A kind of preparation method of environmental protection petrol and diesel oil |
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| CN108219868A true CN108219868A (en) | 2018-06-29 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725331A (en) * | 2013-12-13 | 2014-04-16 | 济南开发区星火科学技术研究院 | Method for producing ether gasoline |
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2016
- 2016-12-21 CN CN201611189330.5A patent/CN108219868A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103725331A (en) * | 2013-12-13 | 2014-04-16 | 济南开发区星火科学技术研究院 | Method for producing ether gasoline |
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