CN103881774A - Liquid hydrocarbon oil stabilization additive - Google Patents
Liquid hydrocarbon oil stabilization additive Download PDFInfo
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- CN103881774A CN103881774A CN201210562029.XA CN201210562029A CN103881774A CN 103881774 A CN103881774 A CN 103881774A CN 201210562029 A CN201210562029 A CN 201210562029A CN 103881774 A CN103881774 A CN 103881774A
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Abstract
The invention discloses a liquid hydrocarbon oil stabilization additive, which is characterized by containing 1-6% by weight of an isothiazolone derivative, 0.5-2% by weight of 2-bromo-2-nitro-1, 3 propylene glycol, 0.5-2% by weight of at least one substance selected from the group consisting of poly epoxy succinate sodium, sodium diacetate, sodium glycinate, sodium tartrate and sodium malate, 2-10% by weight of a magnesium salt, 5-15% by weight of water and 65-90% by weight of dipropylene glycol. The liquid hydrocarbon oil stabilization additive does not contain heavy metals especially copper ions, not only is environmental friendly, but also completely eliminates the corrosion of the copper ions on system equipment, high in sterilization rate, strong in antibacterial ability, and long in action time.
Description
Technical field
The invention relates to a kind of additive of stable liquid hydrocarbon oil.
Background technology
In liquid hydrocarbon oil material, isothiazolinone derivatives---CMIT/MIT mixture is as liquid hydrocarbon oil Biocidal algae-killing agent in interpolation, conventionally need add 2～4 ‰ cupric nitrates as stablizer, its main drawback is to occur the rough sledding such as galvanic corrosion, breakdown of emulsion, and cupric ion is heavy metal, is discharged in environment and can causes pollution.
Summary of the invention
The present invention be directed to the deficiencies in the prior art, a kind of additive of stable liquid hydrocarbon oil of the isothiazolone-containing that is different from prior art is provided.
Contriver finds through great many of experiments, when with the bromo-2-of 2-nitro-1, ammediol is auxiliary agent, while adding at least one the mixture in polyepoxy sodium succinate, sodium Diacetate, Sodium glycocollate, sodium tartrate and sodium malate with specified proportion, the inorganic mantoquita of divalence needn't be added again, the effect of stablizing liquid hydrocarbon oil can be played.Obtain the present invention based on this.
Therefore, the additive of stable liquid hydrocarbon oil provided by the invention, it is characterized in that the isothiazolinone derivatives that contains 1～6% weight, 2-bromine 2-nitro-1 of 0.5～2% weight, ammediol, 0.5～2% weight is selected from polyepoxy sodium succinate, sodium Diacetate, Sodium glycocollate, at least one in sodium tartrate and sodium malate, the magnesium salts of 2～10% weight, the dipropylene glycol of the water of 5～15% weight and 65～90% weight, wherein, described isothiazolinone derivatives is the mixture of CMIT and MIT.
The additive of stable liquid hydrocarbon oil provided by the invention, with isothiazolinone derivatives weighing scale, in liquid hydrocarbon oil, adding proportion is 1～15ppm.
Liquid hydrocarbon oil additive provided by the invention, its advantage is:
(1) in stablizer containing particularly copper ions not of heavy metal, not only environmental protection, and thoroughly stopped the corrosion of cupric ion to system device.
(2) sterilization speed is faster, has made up old product onset not enough slowly; Bacteriostasis is stronger, and action time is more of a specified duration.
Embodiment
In the present invention, said liquid hydrocarbon oil, comprises various fuel oils, such as gasoline engine oil, Aviation Fuel, diesel engine oil, kerosene etc., also can comprise petroleum oil.Additive provided by the invention, can kill except the microorganism in the liquid hydrocarbon oil system of being polluted, and protects liquid hydrocarbon oil in long-time, to avoid the invasion of microbial contamination.Additive of the present invention, can be applied in the system of multiple use liquid hydrocarbon oil, in storage tank, tubing system or engine system.
The additive of stable liquid hydrocarbon oil provided by the invention, it is characterized in that the isothiazolinone derivatives that contains 1～6% weight, 2-bromine 2-nitro-1 of 0.5～2% weight, ammediol, 0.5～2% weight are selected from least one in polyepoxy sodium succinate, sodium Diacetate, Sodium glycocollate, sodium tartrate and sodium malate, magnesium salts, the water of 5～15% weight and the dipropylene glycol of 65～90% weight of 2～10% weight, wherein, described isothiazolinone derivatives is the mixture of CMIT and MIT
Additive provided by the invention, wherein, in said isothiazolinone derivatives, the part by weight of CMIT and MIT is preferably 2～4:1, in preferred embodiment, in said isothiazolinone derivatives, the part by weight of CMIT and MIT is 3:1.
In a preferred embodiment of the present invention, additive by isothiazolinone derivatives, the 2-bromine 2-nitro-1,3-propylene glycol of 0.5～2% weight, 0.5～2% weight of 1～6% weight be selected from least one in polyepoxy sodium succinate, sodium Diacetate, Sodium glycocollate, sodium tartrate and sodium malate, magnesium salts, the water of 5～15% weight and the dipropylene glycol of 65～90% weight of 3～10% weight forms.
In a preferred embodiment of the present invention, additive is made up of the isothiazolinone derivatives of 1～4% weight, the 2-bromine 2-nitro-1,3-propylene glycol of 0.5～2% weight, the sodium Diacetate of 0.5～2% weight, magnesium salts, the water of 5～12% weight and the dipropylene glycol of 72～90% weight of 3～8% weight.
In one embodiment of the invention, 2-bromine 2-nitro-1, the part by weight of ammediol and sodium Diacetate is 0.95～1.05:1, in the most preferred embodiment, the part by weight of 2-bromine 2-nitro-1,3-propylene glycol and sodium Diacetate is 1:1, in above-mentioned the most preferred embodiment, described additive also contains the isothiazolinone derivatives of 1.5% weight, the dipropylene glycol of the magnesium salts of 5.5% weight, the water of 8% weight and 83% weight.Additive under this composition, the fungi-proofing synergistic effect of its sterilization is best, and compared with the additive of conventional isothiazolone-containing derivative, fast, the antibacterial time of sterilization speed is long.
The said magnesium salts of the present invention is familiar with by those skilled in the art, and common magnesium salts is magnesium nitrate and/or magnesium chloride, and the present invention is to it and have no special requirements.
Additive provided by the invention, with isothiazolinone derivatives weighing scale, in liquid hydrocarbon oil, adding proportion is 1～15ppm.When it renders in more dirty liquid hydrocarbon oil tank as strong fungicide time, its injected volume should be more, such as at 5～10ppm, if and when rendering in cleaner liquid hydrocarbon oil tank as anti-microbial inoculum, its injected volume can be less, and input ratio can play at 1～10ppm the effect that prophylaxis of microbial generates.
Below by embodiment, the invention will be further described, but content not thereby limiting the invention.
In an embodiment, 2-bromine 2-nitro-1,3-propylene glycol is Yan Lin chemical plant, Taicang City, Jiangsu Province product, purity 99%; Polyepoxy sodium succinate (PESA) is Shandong Rui Aite Chemical Co., Ltd. product, solid content 40%; Sodium glycocollate is the special reagent of Chengdu bass company limited product, purity > 98%; Sodium tartrate is Beijing coupling Science and Technology Ltd. product, purity > 98%; Sodium malate is lark prestige Science and Technology Ltd. product, purity > 99%; Sodium Diacetate is the abundant Chemical Co., Ltd. in Shanghai, purity > 98%; Dipropylene glycol is Chemical Co., Ltd. of line Dingtian product.
Embodiment 1
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is by the isothiazolinone derivatives (the part by weight 2.55:1 of CMIT and MIT) of 2% weight, 2-bromine 2-nitro-1 of 1% weight, magnesium salts, the water of 10% weight and the dipropylene glycol of the 82% weight composition of ammediol, 1% weight sodium Diacetate, 4% weight, additive numbering Y1.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y1, according to the injected volume 10ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.0 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 200 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 160, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 2
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is by the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 1.5% weight, 2-bromine 2-nitro-1 of 1% weight, magnesium salts, the water of 8% weight and the dipropylene glycol of the 83% weight composition of ammediol, 1% weight sodium Diacetate, 5.5% weight, additive numbering Y2.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, by sample Y2 according to the injected volume 5ppm in isothiazolinone derivatives, add in aviation fuel storage tank, it is 5000 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 50 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, 48 hours pollution level are that every milliliter of bacterium colony unit is 0, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 3
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is by the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 1.5% weight, 2-bromine 2-nitro-1 of 0.8% weight, magnesium salts, the water of 8% weight and the dipropylene glycol of the 83% weight composition of ammediol, 1.7% weight sodium Diacetate, 5% weight.Additive numbering Y3.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y3, according to the injected volume 5ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.2 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 220 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 180, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 4
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is by the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 2.5% weight, 2-bromine 2-nitro-1 of 0.5% weight, magnesium salts, the water of 15% weight and the dipropylene glycol of the 75.5% weight composition of ammediol, 1.5% weight sodium Diacetate, 5% weight, additive numbering Y4.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y4, according to the injected volume 5ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.0 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 200 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 170, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 5
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is by the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 2.5% weight, 2-bromine 2-nitro-1 of 1.5% weight, magnesium salts, the water of 5% weight and the dipropylene glycol of the 85% weight composition of ammediol, 1.5% weight sodium Diacetate, 4.5% weight.Additive numbering Y5.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y5, according to the injected volume 5ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.0 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 200 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 180, and it is 50 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 0 that 96 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 6
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is made up of magnesium salts, the water of 8% weight and the dipropylene glycol of 82% weight of the 2-bromine 2-nitro-1,3-propylene glycol of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 1% weight, 2% weight, 2% weight sodium Diacetate, 5% weight.Additive numbering Y6.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y6, according to the injected volume 15ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.0 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 300 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 210, and it is 100 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 0 that 96 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 7
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is made up of magnesium salts, the water of 7% weight and the dipropylene glycol of 75% weight of the 2-bromine 2-nitro-1,3-propylene glycol of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 5% weight, 1.5% weight, 1.5% weight sodium Diacetate, 10% weight.Additive numbering Y7.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, by sample Y7 according to the injected volume 5ppm in isothiazolinone derivatives, add in aviation fuel storage tank, it is 6000 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 100 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 50, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 0 that 96 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 8
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is made up of magnesium salts, the water of 8% weight and the dipropylene glycol of 81% weight of the 2-bromine 2-nitro-1,3-propylene glycol of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 2% weight, 1.5% weight, 1.5% weight sodium Diacetate, 6% weight.Additive numbering Y8.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y8, according to the injected volume 5ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.0 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 300 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 200, and it is 50 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 0 that 96 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 9
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is made up of magnesium salts, the water of 5% weight and the dipropylene glycol of 89% weight of the 2-bromine 2-nitro-1,3-propylene glycol of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 1.5% weight, 0.5% weight, 0.5% weight sodium Diacetate, 3.5% weight.Additive numbering Y9.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y9, according to the injected volume 10ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.0 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 250 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 160, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Embodiment 10
The present embodiment illustrates additive provided by the invention.
The additive of the present embodiment is made up of magnesium salts, the water of 6% weight and the dipropylene glycol of 85% weight of the 2-bromine 2-nitro-1,3-propylene glycol of the isothiazolinone derivatives (the part by weight 3:1 of CMIT and MIT) of 2% weight, 1.2% weight, 1.8% weight sodium Diacetate, 4% weight.Additive numbering Y10.
In aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, sample Y10, according to the injected volume 5ppm in isothiazolinone derivatives, is added in aviation fuel storage tank, it is 1.0 × 10 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit
4individual, it is 300 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, and 48 hours pollution level are that every milliliter of bacterium colony unit is 160, and it is 50 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 0 that 96 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Comparative example 1
The effect of this comparative example explanation KATHON FP1.5 sterilant in aviation fuel storage tank.
Identical with embodiment 2, in aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, by KATHON FP1.5 sterilant according to the injected volume 5ppm in isothiazolinone derivatives, add in aviation fuel storage tank, it is 8000 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 300 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, 48 hours pollution level are that every milliliter of bacterium colony unit is 160, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Comparative example 2
The sterilization effect of this comparative example explanation Bance-406 isothiazolinone disinfecting agent (commercially available prod, nation speed century water treatment Science and Technology Ltd.) in aviation fuel storage tank.
Identical with embodiment 2, in aviation fuel storage tank, the initial pollution level of microorganism is that every milliliter of bacterium colony unit is 1.7 × 10
5individual, by Bance-406 sterilant according to the injected volume 5ppm in isothiazolinone derivatives, add in aviation fuel storage tank, it is 8500 that 5 hours pollution level are reduced to every milliliter of bacterium colony unit, it is 600 that 24 hours pollution level are reduced to every milliliter of bacterium colony unit, 48 hours pollution level are that every milliliter of bacterium colony unit is 270, and it is 0 that 72 hours pollution level are reduced to every milliliter of bacterium colony unit, and can remain to 4 time-of-weeks.
Claims (10)
1. the additive of a stable liquid hydrocarbon oil, it is characterized in that the isothiazolinone derivatives that contains 1～6% weight, 2-bromine 2-nitro-1 of 0.5～2% weight, ammediol, 0.5～2% weight are selected from least one in polyepoxy sodium succinate, sodium Diacetate, Sodium glycocollate, sodium tartrate and sodium malate, magnesium salts, the water of 5～15% weight and the dipropylene glycol of 65～90% weight of 2～10% weight, wherein, described isothiazolinone derivatives is the mixture of CMIT and MIT.
2. according to the additive of claim 1, it is characterized in that this additive by isothiazolinone derivatives, the 2-bromine 2-nitro-1,3-propylene glycol of 0.5～2% weight, 0.5～2% weight of 1～6% weight be selected from least one in polyepoxy sodium succinate, sodium Diacetate, Sodium glycocollate, sodium tartrate and sodium malate, magnesium salts, the water of 5～15% weight and the dipropylene glycol of 65～90% weight of 2～10% weight forms.
3. according to the additive of claim 1, it is characterized in that this additive is made up of the isothiazolinone derivatives of 1～4% weight, the 2-bromine 2-nitro-1,3-propylene glycol of 0.5～2% weight, the sodium Diacetate of 0.5～2% weight, magnesium salts, the water of 5～12% weight and the dipropylene glycol of 72～90% weight of 2～8% weight.
4. according to the additive of one of claim 1～3, wherein, in described isothiazolinone derivatives, the part by weight of CMIT and MIT is 2～4:1.
5. according to the additive of claim 4, it is characterized in that said isothiazolinone derivatives is that part by weight is the CMIT of 3:1 and the mixture of MIT.
6. according to the additive of claim 3, wherein, the part by weight of 2-bromine 2-nitro-1,3-propylene glycol and sodium Diacetate is 0.95～1.05:1.
7. according to the additive of claim 6, wherein, described 2-bromo-2-nitro-1,3-propylene glycol and the part by weight of sodium Diacetate are 1:1.
8. according to the additive of claim 7, it is characterized in that also containing the isothiazolinone derivatives of 1.5% weight, the dipropylene glycol of the magnesium salts of 5.5% weight, the water of 8% weight and 83% weight.
9. the application method of the additive of claim 1～8, with isothiazolinone derivatives weighing scale, in liquid hydrocarbon oil, adding proportion is 1～15ppm.
10. according to the application method of claim 9, said additive application is in storage tank, tubing system or engine system.
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| CN201210562029.XA CN103881774B (en) | 2012-12-23 | 2012-12-23 | A kind of additive stablizing liquid hydrocarbon oil |
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| CN201210562029.XA CN103881774B (en) | 2012-12-23 | 2012-12-23 | A kind of additive stablizing liquid hydrocarbon oil |
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| CN103881774B CN103881774B (en) | 2016-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111057605A (en) * | 2019-12-30 | 2020-04-24 | 李旭 | Alcohol-based new energy vehicle fuel and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193344A (en) * | 1995-06-02 | 1998-09-16 | 植物细胞技术公司 | Compositions and methods to prevent microbial contamination of plant tissue culture media |
| CN1883262A (en) * | 2006-06-23 | 2006-12-27 | 浙江大学 | Cut flower withering inhibitor and method for preparing same |
| CN101868150A (en) * | 2007-10-25 | 2010-10-20 | 朗盛德国有限责任公司 | Stable, synergistic mixtures |
| CN102783695A (en) * | 2012-08-27 | 2012-11-21 | 唐洪权 | Safety and efficient compound food preservative |
-
2012
- 2012-12-23 CN CN201210562029.XA patent/CN103881774B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193344A (en) * | 1995-06-02 | 1998-09-16 | 植物细胞技术公司 | Compositions and methods to prevent microbial contamination of plant tissue culture media |
| CN1883262A (en) * | 2006-06-23 | 2006-12-27 | 浙江大学 | Cut flower withering inhibitor and method for preparing same |
| CN101868150A (en) * | 2007-10-25 | 2010-10-20 | 朗盛德国有限责任公司 | Stable, synergistic mixtures |
| CN102783695A (en) * | 2012-08-27 | 2012-11-21 | 唐洪权 | Safety and efficient compound food preservative |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111057605A (en) * | 2019-12-30 | 2020-04-24 | 李旭 | Alcohol-based new energy vehicle fuel and preparation method thereof |
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